[WebApiUtils] tests

WebAPiUtils-test/BusinessManager/ValuesBusiness.cs

+using System.Collections.Generic;
+using iiie.Logs.DBO;
+using WebAPiUtils_test.DataAccess;
+using WebAPiUtils_test.DBO;
+
+namespace WebAPiUtils_test.BusinessManager
+{
+    public class ValuesBusiness
+    {
+        public static OpResult<ValuesDbo> Get(long id)
+        {
+            //return ValuesManager.Get(id);
+            return ValuesManager.GetByIdDbo(id);
+        }
+
+        public static OpResult<IEnumerable<ValuesDbo>> Contains(string text)
+        {
+            return ValuesManager.Contains(text);
+        }
+    }
+}

WebAPiUtils-test/Controllers/ValuesController.cs

 using System;
 using System.Collections.Generic;
 using System.Web.Http;
+using iiie.WebApiUtils.BusinessManager;
+using WebAPiUtils_test.BusinessManager;
 using WebAPiUtils_test.DBO;
 
 namespace WebAPiUtils_test.Controllers
         }
 
         // GET api/values/5
-        public string Get(int id)
+        public ValuesDbo Get(int id)
         {
-            return "value";
+            return BMRHandler<ValuesDbo>.Handle(ValuesBusiness.Get(id), Request);
+        }
+
+        [HttpGet]
+        [Route("api/values/contains")]
+        public IEnumerable<ValuesDbo> Contains(string text)
+        {
+            return BMRHandler<IEnumerable<ValuesDbo>>.Handle(ValuesBusiness.Contains(text), Request);
         }
 
         // POST api/values

WebAPiUtils-test/DBO/ValuesDbo.cs

+
+namespace WebAPiUtils_test.DBO
+{
+    public class ValuesDbo
+    {
+        public long Id { get; set; }
+
+        public string MyString { get; set; }
+
+        public int MyInt { get; set; }
+    }
+}

WebAPiUtils-test/DataAccess/SqlServerManager.Context.cs

+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated from a template.
+//
+//     Manual changes to this file may cause unexpected behavior in your application.
+//     Manual changes to this file will be overwritten if the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace WebAPiUtils_test.DataAccess
+{
+    using System;
+    using System.Data.Entity;
+    using System.Data.Entity.Infrastructure;
+    
+    public partial class SqlServerManagerEntities : DbContext
+    {
+        public SqlServerManagerEntities()
+            : base("name=SqlServerManagerEntities")
+        {
+        }
+    
+        protected override void OnModelCreating(DbModelBuilder modelBuilder)
+        {
+            throw new UnintentionalCodeFirstException();
+        }
+    
+        public virtual DbSet<T_SqlManager> T_SqlManager { get; set; }
+    }
+}

WebAPiUtils-test/DataAccess/SqlServerManager.Context.tt

+<#@ template language="C#" debug="false" hostspecific="true"#>
+<#@ include file="EF6.Utility.CS.ttinclude"#><#@
+ output extension=".cs"#><#
+
+const string inputFile = @"SqlServerManager.edmx";
+var textTransform = DynamicTextTransformation.Create(this);
+var code = new CodeGenerationTools(this);
+var ef = new MetadataTools(this);
+var typeMapper = new TypeMapper(code, ef, textTransform.Errors);
+var loader = new EdmMetadataLoader(textTransform.Host, textTransform.Errors);
+var itemCollection = loader.CreateEdmItemCollection(inputFile);
+var modelNamespace = loader.GetModelNamespace(inputFile);
+var codeStringGenerator = new CodeStringGenerator(code, typeMapper, ef);
+
+var container = itemCollection.OfType<EntityContainer>().FirstOrDefault();
+if (container == null)
+{
+    return string.Empty;
+}
+#>
+//------------------------------------------------------------------------------
+// <auto-generated>
+// <#=CodeGenerationTools.GetResourceString("Template_GeneratedCodeCommentLine1")#>
+//
+// <#=CodeGenerationTools.GetResourceString("Template_GeneratedCodeCommentLine2")#>
+// <#=CodeGenerationTools.GetResourceString("Template_GeneratedCodeCommentLine3")#>
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+<#
+
+var codeNamespace = code.VsNamespaceSuggestion();
+if (!String.IsNullOrEmpty(codeNamespace))
+{
+#>
+namespace <#=code.EscapeNamespace(codeNamespace)#>
+{
+<#
+    PushIndent("    ");
+}
+
+#>
+using System;
+using System.Data.Entity;
+using System.Data.Entity.Infrastructure;
+<#
+if (container.FunctionImports.Any())
+{
+#>
+using System.Data.Entity.Core.Objects;
+using System.Linq;
+<#
+}
+#>
+
+<#=Accessibility.ForType(container)#> partial class <#=code.Escape(container)#> : DbContext
+{
+    public <#=code.Escape(container)#>()
+        : base("name=<#=container.Name#>")
+    {
+<#
+if (!loader.IsLazyLoadingEnabled(container))
+{
+#>
+        this.Configuration.LazyLoadingEnabled = false;
+<#
+}
+
+foreach (var entitySet in container.BaseEntitySets.OfType<EntitySet>())
+{
+    // Note: the DbSet members are defined below such that the getter and
+    // setter always have the same accessibility as the DbSet definition
+    if (Accessibility.ForReadOnlyProperty(entitySet) != "public")
+    {
+#>
+        <#=codeStringGenerator.DbSetInitializer(entitySet)#>
+<#
+    }
+}
+#>
+    }
+
+    protected override void OnModelCreating(DbModelBuilder modelBuilder)
+    {
+        throw new UnintentionalCodeFirstException();
+    }
+
+<#
+    foreach (var entitySet in container.BaseEntitySets.OfType<EntitySet>())
+    {
+#>
+    <#=codeStringGenerator.DbSet(entitySet)#>
+<#
+    }
+
+    foreach (var edmFunction in container.FunctionImports)
+    {
+        WriteFunctionImport(typeMapper, codeStringGenerator, edmFunction, modelNamespace, includeMergeOption: false);
+    }
+#>
+}
+<#
+
+if (!String.IsNullOrEmpty(codeNamespace))
+{
+    PopIndent();
+#>
+}
+<#
+}
+#>
+<#+
+
+private void WriteFunctionImport(TypeMapper typeMapper, CodeStringGenerator codeStringGenerator, EdmFunction edmFunction, string modelNamespace, bool includeMergeOption)
+{
+    if (typeMapper.IsComposable(edmFunction))
+    {
+#>
+
+    [DbFunction("<#=edmFunction.NamespaceName#>", "<#=edmFunction.Name#>")]
+    <#=codeStringGenerator.ComposableFunctionMethod(edmFunction, modelNamespace)#>
+    {
+<#+
+        codeStringGenerator.WriteFunctionParameters(edmFunction, WriteFunctionParameter);
+#>
+        <#=codeStringGenerator.ComposableCreateQuery(edmFunction, modelNamespace)#>
+    }
+<#+
+    }
+    else
+    {
+#>
+
+    <#=codeStringGenerator.FunctionMethod(edmFunction, modelNamespace, includeMergeOption)#>
+    {
+<#+
+        codeStringGenerator.WriteFunctionParameters(edmFunction, WriteFunctionParameter);
+#>
+        <#=codeStringGenerator.ExecuteFunction(edmFunction, modelNamespace, includeMergeOption)#>
+    }
+<#+
+        if (typeMapper.GenerateMergeOptionFunction(edmFunction, includeMergeOption))
+        {
+            WriteFunctionImport(typeMapper, codeStringGenerator, edmFunction, modelNamespace, includeMergeOption: true);
+        }
+    }
+}
+
+public void WriteFunctionParameter(string name, string isNotNull, string notNullInit, string nullInit)
+{
+#>
+        var <#=name#> = <#=isNotNull#> ?
+            <#=notNullInit#> :
+            <#=nullInit#>;
+
+<#+
+}
+
+public const string TemplateId = "CSharp_DbContext_Context_EF6";
+
+public class CodeStringGenerator
+{
+    private readonly CodeGenerationTools _code;
+    private readonly TypeMapper _typeMapper;
+    private readonly MetadataTools _ef;
+
+    public CodeStringGenerator(CodeGenerationTools code, TypeMapper typeMapper, MetadataTools ef)
+    {
+        ArgumentNotNull(code, "code");
+        ArgumentNotNull(typeMapper, "typeMapper");
+        ArgumentNotNull(ef, "ef");
+
+        _code = code;
+        _typeMapper = typeMapper;
+        _ef = ef;
+    }
+
+    public string Property(EdmProperty edmProperty)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} {1} {2} {{ {3}get; {4}set; }}",
+            Accessibility.ForProperty(edmProperty),
+            _typeMapper.GetTypeName(edmProperty.TypeUsage),
+            _code.Escape(edmProperty),
+            _code.SpaceAfter(Accessibility.ForGetter(edmProperty)),
+            _code.SpaceAfter(Accessibility.ForSetter(edmProperty)));
+    }
+
+    public string NavigationProperty(NavigationProperty navProp)
+    {
+        var endType = _typeMapper.GetTypeName(navProp.ToEndMember.GetEntityType());
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} {1} {2} {{ {3}get; {4}set; }}",
+            AccessibilityAndVirtual(Accessibility.ForNavigationProperty(navProp)),
+            navProp.ToEndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many ? ("ICollection<" + endType + ">") : endType,
+            _code.Escape(navProp),
+            _code.SpaceAfter(Accessibility.ForGetter(navProp)),
+            _code.SpaceAfter(Accessibility.ForSetter(navProp)));
+    }
+    
+    public string AccessibilityAndVirtual(string accessibility)
+    {
+        return accessibility + (accessibility != "private" ? " virtual" : "");
+    }
+    
+    public string EntityClassOpening(EntityType entity)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} {1}partial class {2}{3}",
+            Accessibility.ForType(entity),
+            _code.SpaceAfter(_code.AbstractOption(entity)),
+            _code.Escape(entity),
+            _code.StringBefore(" : ", _typeMapper.GetTypeName(entity.BaseType)));
+    }
+    
+    public string EnumOpening(SimpleType enumType)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} enum {1} : {2}",
+            Accessibility.ForType(enumType),
+            _code.Escape(enumType),
+            _code.Escape(_typeMapper.UnderlyingClrType(enumType)));
+        }
+    
+    public void WriteFunctionParameters(EdmFunction edmFunction, Action<string, string, string, string> writeParameter)
+    {
+        var parameters = FunctionImportParameter.Create(edmFunction.Parameters, _code, _ef);
+        foreach (var parameter in parameters.Where(p => p.NeedsLocalVariable))
+        {
+            var isNotNull = parameter.IsNullableOfT ? parameter.FunctionParameterName + ".HasValue" : parameter.FunctionParameterName + " != null";
+            var notNullInit = "new ObjectParameter(\"" + parameter.EsqlParameterName + "\", " + parameter.FunctionParameterName + ")";
+            var nullInit = "new ObjectParameter(\"" + parameter.EsqlParameterName + "\", typeof(" + TypeMapper.FixNamespaces(parameter.RawClrTypeName) + "))";
+            writeParameter(parameter.LocalVariableName, isNotNull, notNullInit, nullInit);
+        }
+    }
+    
+    public string ComposableFunctionMethod(EdmFunction edmFunction, string modelNamespace)
+    {
+        var parameters = _typeMapper.GetParameters(edmFunction);
+        
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} IQueryable<{1}> {2}({3})",
+            AccessibilityAndVirtual(Accessibility.ForMethod(edmFunction)),
+            _typeMapper.GetTypeName(_typeMapper.GetReturnType(edmFunction), modelNamespace),
+            _code.Escape(edmFunction),
+            string.Join(", ", parameters.Select(p => TypeMapper.FixNamespaces(p.FunctionParameterType) + " " + p.FunctionParameterName).ToArray()));
+    }
+    
+    public string ComposableCreateQuery(EdmFunction edmFunction, string modelNamespace)
+    {
+        var parameters = _typeMapper.GetParameters(edmFunction);
+        
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "return ((IObjectContextAdapter)this).ObjectContext.CreateQuery<{0}>(\"[{1}].[{2}]({3})\"{4});",
+            _typeMapper.GetTypeName(_typeMapper.GetReturnType(edmFunction), modelNamespace),
+            edmFunction.NamespaceName,
+            edmFunction.Name,
+            string.Join(", ", parameters.Select(p => "@" + p.EsqlParameterName).ToArray()),
+            _code.StringBefore(", ", string.Join(", ", parameters.Select(p => p.ExecuteParameterName).ToArray())));
+    }
+    
+    public string FunctionMethod(EdmFunction edmFunction, string modelNamespace, bool includeMergeOption)
+    {
+        var parameters = _typeMapper.GetParameters(edmFunction);
+        var returnType = _typeMapper.GetReturnType(edmFunction);
+
+        var paramList = String.Join(", ", parameters.Select(p => TypeMapper.FixNamespaces(p.FunctionParameterType) + " " + p.FunctionParameterName).ToArray());
+        if (includeMergeOption)
+        {
+            paramList = _code.StringAfter(paramList, ", ") + "MergeOption mergeOption";
+        }
+
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} {1} {2}({3})",
+            AccessibilityAndVirtual(Accessibility.ForMethod(edmFunction)),
+            returnType == null ? "int" : "ObjectResult<" + _typeMapper.GetTypeName(returnType, modelNamespace) + ">",
+            _code.Escape(edmFunction),
+            paramList);
+    }
+    
+    public string ExecuteFunction(EdmFunction edmFunction, string modelNamespace, bool includeMergeOption)
+    {
+        var parameters = _typeMapper.GetParameters(edmFunction);
+        var returnType = _typeMapper.GetReturnType(edmFunction);
+
+        var callParams = _code.StringBefore(", ", String.Join(", ", parameters.Select(p => p.ExecuteParameterName).ToArray()));
+        if (includeMergeOption)
+        {
+            callParams = ", mergeOption" + callParams;
+        }
+        
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "return ((IObjectContextAdapter)this).ObjectContext.ExecuteFunction{0}(\"{1}\"{2});",
+            returnType == null ? "" : "<" + _typeMapper.GetTypeName(returnType, modelNamespace) + ">",
+            edmFunction.Name,
+            callParams);
+    }
+    
+    public string DbSet(EntitySet entitySet)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} virtual DbSet<{1}> {2} {{ get; set; }}",
+            Accessibility.ForReadOnlyProperty(entitySet),
+            _typeMapper.GetTypeName(entitySet.ElementType),
+            _code.Escape(entitySet));
+    }
+
+    public string DbSetInitializer(EntitySet entitySet)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} = Set<{1}>();",
+            _code.Escape(entitySet),
+            _typeMapper.GetTypeName(entitySet.ElementType));
+    }
+
+    public string UsingDirectives(bool inHeader, bool includeCollections = true)
+    {
+        return inHeader == string.IsNullOrEmpty(_code.VsNamespaceSuggestion())
+            ? string.Format(
+                CultureInfo.InvariantCulture,
+                "{0}using System;{1}" +
+                "{2}",
+                inHeader ? Environment.NewLine : "",
+                includeCollections ? (Environment.NewLine + "using System.Collections.Generic;") : "",
+                inHeader ? "" : Environment.NewLine)
+            : "";
+    }
+}
+
+public class TypeMapper
+{
+    private const string ExternalTypeNameAttributeName = @"http://schemas.microsoft.com/ado/2006/04/codegeneration:ExternalTypeName";
+
+    private readonly System.Collections.IList _errors;
+    private readonly CodeGenerationTools _code;
+    private readonly MetadataTools _ef;
+
+    public static string FixNamespaces(string typeName)
+    {
+        return typeName.Replace("System.Data.Spatial.", "System.Data.Entity.Spatial.");
+    }
+
+    public TypeMapper(CodeGenerationTools code, MetadataTools ef, System.Collections.IList errors)
+    {
+        ArgumentNotNull(code, "code");
+        ArgumentNotNull(ef, "ef");
+        ArgumentNotNull(errors, "errors");
+
+        _code = code;
+        _ef = ef;
+        _errors = errors;
+    }
+
+    public string GetTypeName(TypeUsage typeUsage)
+    {
+        return typeUsage == null ? null : GetTypeName(typeUsage.EdmType, _ef.IsNullable(typeUsage), modelNamespace: null);
+    }
+
+    public string GetTypeName(EdmType edmType)
+    {
+        return GetTypeName(edmType, isNullable: null, modelNamespace: null);
+    }
+
+    public string GetTypeName(TypeUsage typeUsage, string modelNamespace)
+    {
+        return typeUsage == null ? null : GetTypeName(typeUsage.EdmType, _ef.IsNullable(typeUsage), modelNamespace);
+    }
+
+    public string GetTypeName(EdmType edmType, string modelNamespace)
+    {
+        return GetTypeName(edmType, isNullable: null, modelNamespace: modelNamespace);
+    }
+
+    public string GetTypeName(EdmType edmType, bool? isNullable, string modelNamespace)
+    {
+        if (edmType == null)
+        {
+            return null;
+        }
+
+        var collectionType = edmType as CollectionType;
+        if (collectionType != null)
+        {
+            return String.Format(CultureInfo.InvariantCulture, "ICollection<{0}>", GetTypeName(collectionType.TypeUsage, modelNamespace));
+        }
+
+        var typeName = _code.Escape(edmType.MetadataProperties
+                                .Where(p => p.Name == ExternalTypeNameAttributeName)
+                                .Select(p => (string)p.Value)
+                                .FirstOrDefault())
+            ?? (modelNamespace != null && edmType.NamespaceName != modelNamespace ?
+                _code.CreateFullName(_code.EscapeNamespace(edmType.NamespaceName), _code.Escape(edmType)) :
+                _code.Escape(edmType));
+
+        if (edmType is StructuralType)
+        {
+            return typeName;
+        }
+
+        if (edmType is SimpleType)
+        {
+            var clrType = UnderlyingClrType(edmType);
+            if (!IsEnumType(edmType))
+            {
+                typeName = _code.Escape(clrType);
+            }
+
+            typeName = FixNamespaces(typeName);
+
+            return clrType.IsValueType && isNullable == true ?
+                String.Format(CultureInfo.InvariantCulture, "Nullable<{0}>", typeName) :
+                typeName;
+        }
+
+        throw new ArgumentException("edmType");
+    }
+    
+    public Type UnderlyingClrType(EdmType edmType)
+    {
+        ArgumentNotNull(edmType, "edmType");
+
+        var primitiveType = edmType as PrimitiveType;
+        if (primitiveType != null)
+        {
+            return primitiveType.ClrEquivalentType;
+        }
+
+        if (IsEnumType(edmType))
+        {
+            return GetEnumUnderlyingType(edmType).ClrEquivalentType;
+        }
+
+        return typeof(object);
+    }
+    
+    public object GetEnumMemberValue(MetadataItem enumMember)
+    {
+        ArgumentNotNull(enumMember, "enumMember");
+        
+        var valueProperty = enumMember.GetType().GetProperty("Value");
+        return valueProperty == null ? null : valueProperty.GetValue(enumMember, null);
+    }
+    
+    public string GetEnumMemberName(MetadataItem enumMember)
+    {
+        ArgumentNotNull(enumMember, "enumMember");
+        
+        var nameProperty = enumMember.GetType().GetProperty("Name");
+        return nameProperty == null ? null : (string)nameProperty.GetValue(enumMember, null);
+    }
+
+    public System.Collections.IEnumerable GetEnumMembers(EdmType enumType)
+    {
+        ArgumentNotNull(enumType, "enumType");
+
+        var membersProperty = enumType.GetType().GetProperty("Members");
+        return membersProperty != null 
+            ? (System.Collections.IEnumerable)membersProperty.GetValue(enumType, null)
+            : Enumerable.Empty<MetadataItem>();
+    }
+    
+    public bool EnumIsFlags(EdmType enumType)
+    {
+        ArgumentNotNull(enumType, "enumType");
+        
+        var isFlagsProperty = enumType.GetType().GetProperty("IsFlags");
+        return isFlagsProperty != null && (bool)isFlagsProperty.GetValue(enumType, null);
+    }
+
+    public bool IsEnumType(GlobalItem edmType)
+    {
+        ArgumentNotNull(edmType, "edmType");
+
+        return edmType.GetType().Name == "EnumType";
+    }
+
+    public PrimitiveType GetEnumUnderlyingType(EdmType enumType)
+    {
+        ArgumentNotNull(enumType, "enumType");
+
+        return (PrimitiveType)enumType.GetType().GetProperty("UnderlyingType").GetValue(enumType, null);
+    }
+
+    public string CreateLiteral(object value)
+    {
+        if (value == null || value.GetType() != typeof(TimeSpan))
+        {
+            return _code.CreateLiteral(value);
+        }
+
+        return string.Format(CultureInfo.InvariantCulture, "new TimeSpan({0})", ((TimeSpan)value).Ticks);
+    }
+    
+    public bool VerifyCaseInsensitiveTypeUniqueness(IEnumerable<string> types, string sourceFile)
+    {
+        ArgumentNotNull(types, "types");
+        ArgumentNotNull(sourceFile, "sourceFile");
+        
+        var hash = new HashSet<string>(StringComparer.InvariantCultureIgnoreCase);
+        if (types.Any(item => !hash.Add(item)))
+        {
+            _errors.Add(
+                new CompilerError(sourceFile, -1, -1, "6023",
+                    String.Format(CultureInfo.CurrentCulture, CodeGenerationTools.GetResourceString("Template_CaseInsensitiveTypeConflict"))));
+            return false;
+        }
+        return true;
+    }
+    
+    public IEnumerable<SimpleType> GetEnumItemsToGenerate(IEnumerable<GlobalItem> itemCollection)
+    {
+        return GetItemsToGenerate<SimpleType>(itemCollection)
+            .Where(e => IsEnumType(e));
+    }
+    
+    public IEnumerable<T> GetItemsToGenerate<T>(IEnumerable<GlobalItem> itemCollection) where T: EdmType
+    {
+        return itemCollection
+            .OfType<T>()
+            .Where(i => !i.MetadataProperties.Any(p => p.Name == ExternalTypeNameAttributeName))
+            .OrderBy(i => i.Name);
+    }
+
+    public IEnumerable<string> GetAllGlobalItems(IEnumerable<GlobalItem> itemCollection)
+    {
+        return itemCollection
+            .Where(i => i is EntityType || i is ComplexType || i is EntityContainer || IsEnumType(i))
+            .Select(g => GetGlobalItemName(g));
+    }
+
+    public string GetGlobalItemName(GlobalItem item)
+    {
+        if (item is EdmType)
+        {
+            return ((EdmType)item).Name;
+        }
+        else
+        {
+            return ((EntityContainer)item).Name;
+        }
+    }
+
+    public IEnumerable<EdmProperty> GetSimpleProperties(EntityType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type);
+    }
+    
+    public IEnumerable<EdmProperty> GetSimpleProperties(ComplexType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type);
+    }
+    
+    public IEnumerable<EdmProperty> GetComplexProperties(EntityType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is ComplexType && p.DeclaringType == type);
+    }
+    
+    public IEnumerable<EdmProperty> GetComplexProperties(ComplexType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is ComplexType && p.DeclaringType == type);
+    }
+
+    public IEnumerable<EdmProperty> GetPropertiesWithDefaultValues(EntityType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type && p.DefaultValue != null);
+    }
+    
+    public IEnumerable<EdmProperty> GetPropertiesWithDefaultValues(ComplexType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type && p.DefaultValue != null);
+    }
+
+    public IEnumerable<NavigationProperty> GetNavigationProperties(EntityType type)
+    {
+        return type.NavigationProperties.Where(np => np.DeclaringType == type);
+    }
+    
+    public IEnumerable<NavigationProperty> GetCollectionNavigationProperties(EntityType type)
+    {
+        return type.NavigationProperties.Where(np => np.DeclaringType == type && np.ToEndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many);
+    }
+    
+    public FunctionParameter GetReturnParameter(EdmFunction edmFunction)
+    {
+        ArgumentNotNull(edmFunction, "edmFunction");
+
+        var returnParamsProperty = edmFunction.GetType().GetProperty("ReturnParameters");
+        return returnParamsProperty == null
+            ? edmFunction.ReturnParameter
+            : ((IEnumerable<FunctionParameter>)returnParamsProperty.GetValue(edmFunction, null)).FirstOrDefault();
+    }
+
+    public bool IsComposable(EdmFunction edmFunction)
+    {
+        ArgumentNotNull(edmFunction, "edmFunction");
+
+        var isComposableProperty = edmFunction.GetType().GetProperty("IsComposableAttribute");
+        return isComposableProperty != null && (bool)isComposableProperty.GetValue(edmFunction, null);
+    }
+
+    public IEnumerable<FunctionImportParameter> GetParameters(EdmFunction edmFunction)
+    {
+        return FunctionImportParameter.Create(edmFunction.Parameters, _code, _ef);
+    }
+
+    public TypeUsage GetReturnType(EdmFunction edmFunction)
+    {
+        var returnParam = GetReturnParameter(edmFunction);
+        return returnParam == null ? null : _ef.GetElementType(returnParam.TypeUsage);
+    }
+    
+    public bool GenerateMergeOptionFunction(EdmFunction edmFunction, bool includeMergeOption)
+    {
+        var returnType = GetReturnType(edmFunction);
+        return !includeMergeOption && returnType != null && returnType.EdmType.BuiltInTypeKind == BuiltInTypeKind.EntityType;
+    }
+}
+
+public static void ArgumentNotNull<T>(T arg, string name) where T : class
+{
+    if (arg == null)
+    {
+        throw new ArgumentNullException(name);
+    }
+}
+#>

WebAPiUtils-test/DataAccess/SqlServerManager.Designer.cs

+// T4 code generation is enabled for model 'C:\Users\robin.thoni\Documents\nuget-3ie\WebAPiUtils-test\DataAccess\SqlServerManager.edmx'. 
+// To enable legacy code generation, change the value of the 'Code Generation Strategy' designer
+// property to 'Legacy ObjectContext'. This property is available in the Properties Window when the model
+// is open in the designer.
+
+// If no context and entity classes have been generated, it may be because you created an empty model but
+// have not yet chosen which version of Entity Framework to use. To generate a context class and entity
+// classes for your model, open the model in the designer, right-click on the designer surface, and
+// select 'Update Model from Database...', 'Generate Database from Model...', or 'Add Code Generation
+// Item...'.

WebAPiUtils-test/DataAccess/SqlServerManager.cs

+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated from a template.
+//
+//     Manual changes to this file may cause unexpected behavior in your application.
+//     Manual changes to this file will be overwritten if the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+

WebAPiUtils-test/DataAccess/SqlServerManager.edmx

+<?xml version="1.0" encoding="utf-8"?>
+<edmx:Edmx Version="3.0" xmlns:edmx="http://schemas.microsoft.com/ado/2009/11/edmx">
+  <!-- EF Runtime content -->
+  <edmx:Runtime>
+    <!-- SSDL content -->
+    <edmx:StorageModels>
+    <Schema Namespace="Model.Store" Provider="System.Data.SqlClient" ProviderManifestToken="2012" Alias="Self" xmlns:store="http://schemas.microsoft.com/ado/2007/12/edm/EntityStoreSchemaGenerator" xmlns="http://schemas.microsoft.com/ado/2009/11/edm/ssdl">
+        <EntityType Name="T_SqlManager">
+          <Key>
+            <PropertyRef Name="id" />
+          </Key>
+          <Property Name="id" Type="bigint" StoreGeneratedPattern="Identity" Nullable="false" />
+          <Property Name="my_string" Type="varchar" MaxLength="50" Nullable="false" />
+          <Property Name="my_int" Type="int" Nullable="false" />
+        </EntityType>
+        <EntityContainer Name="ModelStoreContainer">
+          <EntitySet Name="T_SqlManager" EntityType="Self.T_SqlManager" Schema="dbo" store:Type="Tables" />
+        </EntityContainer>
+      </Schema></edmx:StorageModels>
+    <!-- CSDL content -->
+    <edmx:ConceptualModels>
+      <Schema Namespace="Model" Alias="Self" annotation:UseStrongSpatialTypes="false" xmlns:annotation="http://schemas.microsoft.com/ado/2009/02/edm/annotation" xmlns="http://schemas.microsoft.com/ado/2009/11/edm">
+        <EntityContainer Name="SqlServerManagerEntities" annotation:LazyLoadingEnabled="true">
+          <EntitySet Name="T_SqlManager" EntityType="Model.T_SqlManager" />
+        </EntityContainer>
+        <EntityType Name="T_SqlManager">
+          <Key>
+            <PropertyRef Name="id" />
+          </Key>
+          <Property Name="id" Type="Int64" Nullable="false" annotation:StoreGeneratedPattern="Identity" />
+          <Property Name="my_string" Type="String" Nullable="false" MaxLength="50" FixedLength="false" Unicode="false" />
+          <Property Name="my_int" Type="Int32" Nullable="false" />
+        </EntityType>
+      </Schema>
+    </edmx:ConceptualModels>
+    <!-- C-S mapping content -->
+    <edmx:Mappings>
+      <Mapping Space="C-S" xmlns="http://schemas.microsoft.com/ado/2009/11/mapping/cs">
+        <EntityContainerMapping StorageEntityContainer="ModelStoreContainer" CdmEntityContainer="SqlServerManagerEntities">
+          <EntitySetMapping Name="T_SqlManager">
+            <EntityTypeMapping TypeName="Model.T_SqlManager">
+              <MappingFragment StoreEntitySet="T_SqlManager">
+                <ScalarProperty Name="my_int" ColumnName="my_int" />
+                <ScalarProperty Name="my_string" ColumnName="my_string" />
+                <ScalarProperty Name="id" ColumnName="id" />
+              </MappingFragment>
+            </EntityTypeMapping>
+          </EntitySetMapping>
+        </EntityContainerMapping>
+      </Mapping>
+    </edmx:Mappings>
+  </edmx:Runtime>
+  <!-- EF Designer content (DO NOT EDIT MANUALLY BELOW HERE) -->
+  <Designer xmlns="http://schemas.microsoft.com/ado/2009/11/edmx">
+    <Connection>
+      <DesignerInfoPropertySet>
+        <DesignerProperty Name="MetadataArtifactProcessing" Value="EmbedInOutputAssembly" />
+      </DesignerInfoPropertySet>
+    </Connection>
+    <Options>
+      <DesignerInfoPropertySet>
+        <DesignerProperty Name="ValidateOnBuild" Value="true" />
+        <DesignerProperty Name="EnablePluralization" Value="false" />
+        <DesignerProperty Name="IncludeForeignKeysInModel" Value="true" />
+        <DesignerProperty Name="UseLegacyProvider" Value="false" />
+        <DesignerProperty Name="CodeGenerationStrategy" Value="None" />
+      </DesignerInfoPropertySet>
+    </Options>
+    <!-- Diagram content (shape and connector positions) -->
+    <Diagrams></Diagrams>
+  </Designer>
+</edmx:Edmx>

WebAPiUtils-test/DataAccess/SqlServerManager.edmx.diagram

+<?xml version="1.0" encoding="utf-8"?>
+<edmx:Edmx Version="3.0" xmlns:edmx="http://schemas.microsoft.com/ado/2009/11/edmx">
+ <!-- EF Designer content (DO NOT EDIT MANUALLY BELOW HERE) -->
+  <edmx:Designer xmlns="http://schemas.microsoft.com/ado/2009/11/edmx">
+    <!-- Diagram content (shape and connector positions) -->
+    <edmx:Diagrams>
+      <Diagram DiagramId="08dc5c61470647c385ff700da7502692" Name="Diagram1">
+        <EntityTypeShape EntityType="Model.T_SqlManager" Width="1.5" PointX="0.75" PointY="0.75" />
+      </Diagram>
+    </edmx:Diagrams>
+  </edmx:Designer>
+</edmx:Edmx>

WebAPiUtils-test/DataAccess/SqlServerManager.tt

+<#@ template language="C#" debug="false" hostspecific="true"#>
+<#@ include file="EF6.Utility.CS.ttinclude"#><#@ 
+ output extension=".cs"#><#
+
+const string inputFile = @"SqlServerManager.edmx";
+var textTransform = DynamicTextTransformation.Create(this);
+var code = new CodeGenerationTools(this);
+var ef = new MetadataTools(this);
+var typeMapper = new TypeMapper(code, ef, textTransform.Errors);
+var	fileManager = EntityFrameworkTemplateFileManager.Create(this);
+var itemCollection = new EdmMetadataLoader(textTransform.Host, textTransform.Errors).CreateEdmItemCollection(inputFile);
+var codeStringGenerator = new CodeStringGenerator(code, typeMapper, ef);
+
+if (!typeMapper.VerifyCaseInsensitiveTypeUniqueness(typeMapper.GetAllGlobalItems(itemCollection), inputFile))
+{
+    return string.Empty;
+}
+
+WriteHeader(codeStringGenerator, fileManager);
+
+foreach (var entity in typeMapper.GetItemsToGenerate<EntityType>(itemCollection))
+{
+    fileManager.StartNewFile(entity.Name + ".cs");
+    BeginNamespace(code);
+#>
+<#=codeStringGenerator.UsingDirectives(inHeader: false)#>
+<#=codeStringGenerator.EntityClassOpening(entity)#>
+{
+<#
+    var propertiesWithDefaultValues = typeMapper.GetPropertiesWithDefaultValues(entity);
+    var collectionNavigationProperties = typeMapper.GetCollectionNavigationProperties(entity);
+    var complexProperties = typeMapper.GetComplexProperties(entity);
+
+    if (propertiesWithDefaultValues.Any() || collectionNavigationProperties.Any() || complexProperties.Any())
+    {
+#>
+    public <#=code.Escape(entity)#>()
+    {
+<#
+        foreach (var edmProperty in propertiesWithDefaultValues)
+        {
+#>
+        this.<#=code.Escape(edmProperty)#> = <#=typeMapper.CreateLiteral(edmProperty.DefaultValue)#>;
+<#
+        }
+
+        foreach (var navigationProperty in collectionNavigationProperties)
+        {
+#>
+        this.<#=code.Escape(navigationProperty)#> = new HashSet<<#=typeMapper.GetTypeName(navigationProperty.ToEndMember.GetEntityType())#>>();
+<#
+        }
+
+        foreach (var complexProperty in complexProperties)
+        {
+#>
+        this.<#=code.Escape(complexProperty)#> = new <#=typeMapper.GetTypeName(complexProperty.TypeUsage)#>();
+<#
+        }
+#>
+    }
+
+<#
+    }
+
+    var simpleProperties = typeMapper.GetSimpleProperties(entity);
+    if (simpleProperties.Any())
+    {
+        foreach (var edmProperty in simpleProperties)
+        {
+#>
+    <#=codeStringGenerator.Property(edmProperty)#>
+<#
+        }
+    }
+
+    if (complexProperties.Any())
+    {
+#>
+
+<#
+        foreach(var complexProperty in complexProperties)
+        {
+#>
+    <#=codeStringGenerator.Property(complexProperty)#>
+<#
+        }
+    }
+
+    var navigationProperties = typeMapper.GetNavigationProperties(entity);
+    if (navigationProperties.Any())
+    {
+#>
+
+<#
+        foreach (var navigationProperty in navigationProperties)
+        {
+#>
+    <#=codeStringGenerator.NavigationProperty(navigationProperty)#>
+<#
+        }
+    }
+#>
+}
+<#
+    EndNamespace(code);
+}
+
+foreach (var complex in typeMapper.GetItemsToGenerate<ComplexType>(itemCollection))
+{
+    fileManager.StartNewFile(complex.Name + ".cs");
+    BeginNamespace(code);
+#>
+<#=codeStringGenerator.UsingDirectives(inHeader: false, includeCollections: false)#>
+<#=Accessibility.ForType(complex)#> partial class <#=code.Escape(complex)#>
+{
+<#
+    var complexProperties = typeMapper.GetComplexProperties(complex);
+    var propertiesWithDefaultValues = typeMapper.GetPropertiesWithDefaultValues(complex);
+
+    if (propertiesWithDefaultValues.Any() || complexProperties.Any())
+    {
+#>
+    public <#=code.Escape(complex)#>()
+    {
+<#
+        foreach (var edmProperty in propertiesWithDefaultValues)
+        {
+#>
+        this.<#=code.Escape(edmProperty)#> = <#=typeMapper.CreateLiteral(edmProperty.DefaultValue)#>;
+<#
+        }
+
+        foreach (var complexProperty in complexProperties)
+        {
+#>
+        this.<#=code.Escape(complexProperty)#> = new <#=typeMapper.GetTypeName(complexProperty.TypeUsage)#>();
+<#
+        }
+#>
+    }
+
+<#
+    }
+
+    var simpleProperties = typeMapper.GetSimpleProperties(complex);
+    if (simpleProperties.Any())
+    {
+        foreach(var edmProperty in simpleProperties)
+        {
+#>
+    <#=codeStringGenerator.Property(edmProperty)#>
+<#
+        }
+    }
+
+    if (complexProperties.Any())
+    {
+#>
+
+<#
+        foreach(var edmProperty in complexProperties)
+        {
+#>
+    <#=codeStringGenerator.Property(edmProperty)#>
+<#
+        }
+    }
+#>
+}
+<#
+    EndNamespace(code);
+}
+
+foreach (var enumType in typeMapper.GetEnumItemsToGenerate(itemCollection))
+{
+    fileManager.StartNewFile(enumType.Name + ".cs");
+    BeginNamespace(code);
+#>
+<#=codeStringGenerator.UsingDirectives(inHeader: false, includeCollections: false)#>
+<#
+    if (typeMapper.EnumIsFlags(enumType))
+    {
+#>
+[Flags]
+<#
+    }
+#>
+<#=codeStringGenerator.EnumOpening(enumType)#>
+{
+<#
+    var foundOne = false;
+    
+    foreach (MetadataItem member in typeMapper.GetEnumMembers(enumType))
+    {
+        foundOne = true;
+#>
+    <#=code.Escape(typeMapper.GetEnumMemberName(member))#> = <#=typeMapper.GetEnumMemberValue(member)#>,
+<#
+    }
+
+    if (foundOne)
+    {
+        this.GenerationEnvironment.Remove(this.GenerationEnvironment.Length - 3, 1);
+    }
+#>
+}
+<#
+    EndNamespace(code);
+}
+
+fileManager.Process();
+
+#>
+<#+
+
+public void WriteHeader(CodeStringGenerator codeStringGenerator, EntityFrameworkTemplateFileManager fileManager)
+{
+    fileManager.StartHeader();
+#>
+//------------------------------------------------------------------------------
+// <auto-generated>
+// <#=CodeGenerationTools.GetResourceString("Template_GeneratedCodeCommentLine1")#>
+//
+// <#=CodeGenerationTools.GetResourceString("Template_GeneratedCodeCommentLine2")#>
+// <#=CodeGenerationTools.GetResourceString("Template_GeneratedCodeCommentLine3")#>
+// </auto-generated>
+//------------------------------------------------------------------------------
+<#=codeStringGenerator.UsingDirectives(inHeader: true)#>
+<#+
+    fileManager.EndBlock();
+}
+
+public void BeginNamespace(CodeGenerationTools code)
+{
+    var codeNamespace = code.VsNamespaceSuggestion();
+    if (!String.IsNullOrEmpty(codeNamespace))
+    {
+#>
+namespace <#=code.EscapeNamespace(codeNamespace)#>
+{
+<#+
+        PushIndent("    ");
+    }
+}
+
+public void EndNamespace(CodeGenerationTools code)
+{
+    if (!String.IsNullOrEmpty(code.VsNamespaceSuggestion()))
+    {
+        PopIndent();
+#>
+}
+<#+
+    }
+}
+
+public const string TemplateId = "CSharp_DbContext_Types_EF6";
+
+public class CodeStringGenerator
+{
+    private readonly CodeGenerationTools _code;
+    private readonly TypeMapper _typeMapper;
+    private readonly MetadataTools _ef;
+
+    public CodeStringGenerator(CodeGenerationTools code, TypeMapper typeMapper, MetadataTools ef)
+    {
+        ArgumentNotNull(code, "code");
+        ArgumentNotNull(typeMapper, "typeMapper");
+        ArgumentNotNull(ef, "ef");
+
+        _code = code;
+        _typeMapper = typeMapper;
+        _ef = ef;
+    }
+
+    public string Property(EdmProperty edmProperty)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} {1} {2} {{ {3}get; {4}set; }}",
+            Accessibility.ForProperty(edmProperty),
+            _typeMapper.GetTypeName(edmProperty.TypeUsage),
+            _code.Escape(edmProperty),
+            _code.SpaceAfter(Accessibility.ForGetter(edmProperty)),
+            _code.SpaceAfter(Accessibility.ForSetter(edmProperty)));
+    }
+
+    public string NavigationProperty(NavigationProperty navProp)
+    {
+        var endType = _typeMapper.GetTypeName(navProp.ToEndMember.GetEntityType());
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} {1} {2} {{ {3}get; {4}set; }}",
+            AccessibilityAndVirtual(Accessibility.ForNavigationProperty(navProp)),
+            navProp.ToEndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many ? ("ICollection<" + endType + ">") : endType,
+            _code.Escape(navProp),
+            _code.SpaceAfter(Accessibility.ForGetter(navProp)),
+            _code.SpaceAfter(Accessibility.ForSetter(navProp)));
+    }
+    
+    public string AccessibilityAndVirtual(string accessibility)
+    {
+        return accessibility + (accessibility != "private" ? " virtual" : "");
+    }
+    
+    public string EntityClassOpening(EntityType entity)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} {1}partial class {2}{3}",
+            Accessibility.ForType(entity),
+            _code.SpaceAfter(_code.AbstractOption(entity)),
+            _code.Escape(entity),
+            _code.StringBefore(" : ", _typeMapper.GetTypeName(entity.BaseType)));
+    }
+    
+    public string EnumOpening(SimpleType enumType)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} enum {1} : {2}",
+            Accessibility.ForType(enumType),
+            _code.Escape(enumType),
+            _code.Escape(_typeMapper.UnderlyingClrType(enumType)));
+        }
+    
+    public void WriteFunctionParameters(EdmFunction edmFunction, Action<string, string, string, string> writeParameter)
+    {
+        var parameters = FunctionImportParameter.Create(edmFunction.Parameters, _code, _ef);
+        foreach (var parameter in parameters.Where(p => p.NeedsLocalVariable))
+        {
+            var isNotNull = parameter.IsNullableOfT ? parameter.FunctionParameterName + ".HasValue" : parameter.FunctionParameterName + " != null";
+            var notNullInit = "new ObjectParameter(\"" + parameter.EsqlParameterName + "\", " + parameter.FunctionParameterName + ")";
+            var nullInit = "new ObjectParameter(\"" + parameter.EsqlParameterName + "\", typeof(" + TypeMapper.FixNamespaces(parameter.RawClrTypeName) + "))";
+            writeParameter(parameter.LocalVariableName, isNotNull, notNullInit, nullInit);
+        }
+    }
+    
+    public string ComposableFunctionMethod(EdmFunction edmFunction, string modelNamespace)
+    {
+        var parameters = _typeMapper.GetParameters(edmFunction);
+        
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} IQueryable<{1}> {2}({3})",
+            AccessibilityAndVirtual(Accessibility.ForMethod(edmFunction)),
+            _typeMapper.GetTypeName(_typeMapper.GetReturnType(edmFunction), modelNamespace),
+            _code.Escape(edmFunction),
+            string.Join(", ", parameters.Select(p => TypeMapper.FixNamespaces(p.FunctionParameterType) + " " + p.FunctionParameterName).ToArray()));
+    }
+    
+    public string ComposableCreateQuery(EdmFunction edmFunction, string modelNamespace)
+    {
+        var parameters = _typeMapper.GetParameters(edmFunction);
+        
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "return ((IObjectContextAdapter)this).ObjectContext.CreateQuery<{0}>(\"[{1}].[{2}]({3})\"{4});",
+            _typeMapper.GetTypeName(_typeMapper.GetReturnType(edmFunction), modelNamespace),
+            edmFunction.NamespaceName,
+            edmFunction.Name,
+            string.Join(", ", parameters.Select(p => "@" + p.EsqlParameterName).ToArray()),
+            _code.StringBefore(", ", string.Join(", ", parameters.Select(p => p.ExecuteParameterName).ToArray())));
+    }
+    
+    public string FunctionMethod(EdmFunction edmFunction, string modelNamespace, bool includeMergeOption)
+    {
+        var parameters = _typeMapper.GetParameters(edmFunction);
+        var returnType = _typeMapper.GetReturnType(edmFunction);
+
+        var paramList = String.Join(", ", parameters.Select(p => TypeMapper.FixNamespaces(p.FunctionParameterType) + " " + p.FunctionParameterName).ToArray());
+        if (includeMergeOption)
+        {
+            paramList = _code.StringAfter(paramList, ", ") + "MergeOption mergeOption";
+        }
+
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} {1} {2}({3})",
+            AccessibilityAndVirtual(Accessibility.ForMethod(edmFunction)),
+            returnType == null ? "int" : "ObjectResult<" + _typeMapper.GetTypeName(returnType, modelNamespace) + ">",
+            _code.Escape(edmFunction),
+            paramList);
+    }
+    
+    public string ExecuteFunction(EdmFunction edmFunction, string modelNamespace, bool includeMergeOption)
+    {
+        var parameters = _typeMapper.GetParameters(edmFunction);
+        var returnType = _typeMapper.GetReturnType(edmFunction);
+
+        var callParams = _code.StringBefore(", ", String.Join(", ", parameters.Select(p => p.ExecuteParameterName).ToArray()));
+        if (includeMergeOption)
+        {
+            callParams = ", mergeOption" + callParams;
+        }
+        
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "return ((IObjectContextAdapter)this).ObjectContext.ExecuteFunction{0}(\"{1}\"{2});",
+            returnType == null ? "" : "<" + _typeMapper.GetTypeName(returnType, modelNamespace) + ">",
+            edmFunction.Name,
+            callParams);
+    }
+    
+    public string DbSet(EntitySet entitySet)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} virtual DbSet<{1}> {2} {{ get; set; }}",
+            Accessibility.ForReadOnlyProperty(entitySet),
+            _typeMapper.GetTypeName(entitySet.ElementType),
+            _code.Escape(entitySet));
+    }
+
+    public string UsingDirectives(bool inHeader, bool includeCollections = true)
+    {
+        return inHeader == string.IsNullOrEmpty(_code.VsNamespaceSuggestion())
+            ? string.Format(
+                CultureInfo.InvariantCulture,
+                "{0}using System;{1}" +
+                "{2}",
+                inHeader ? Environment.NewLine : "",
+                includeCollections ? (Environment.NewLine + "using System.Collections.Generic;") : "",
+                inHeader ? "" : Environment.NewLine)
+            : "";
+    }
+}
+
+public class TypeMapper
+{
+    private const string ExternalTypeNameAttributeName = @"http://schemas.microsoft.com/ado/2006/04/codegeneration:ExternalTypeName";
+
+    private readonly System.Collections.IList _errors;
+    private readonly CodeGenerationTools _code;
+    private readonly MetadataTools _ef;
+
+    public TypeMapper(CodeGenerationTools code, MetadataTools ef, System.Collections.IList errors)
+    {
+        ArgumentNotNull(code, "code");
+        ArgumentNotNull(ef, "ef");
+        ArgumentNotNull(errors, "errors");
+
+        _code = code;
+        _ef = ef;
+        _errors = errors;
+    }
+
+    public static string FixNamespaces(string typeName)
+    {
+        return typeName.Replace("System.Data.Spatial.", "System.Data.Entity.Spatial.");
+    }
+
+    public string GetTypeName(TypeUsage typeUsage)
+    {
+        return typeUsage == null ? null : GetTypeName(typeUsage.EdmType, _ef.IsNullable(typeUsage), modelNamespace: null);
+    }
+
+    public string GetTypeName(EdmType edmType)
+    {
+        return GetTypeName(edmType, isNullable: null, modelNamespace: null);
+    }
+
+    public string GetTypeName(TypeUsage typeUsage, string modelNamespace)
+    {
+        return typeUsage == null ? null : GetTypeName(typeUsage.EdmType, _ef.IsNullable(typeUsage), modelNamespace);
+    }
+
+    public string GetTypeName(EdmType edmType, string modelNamespace)
+    {
+        return GetTypeName(edmType, isNullable: null, modelNamespace: modelNamespace);
+    }
+
+    public string GetTypeName(EdmType edmType, bool? isNullable, string modelNamespace)
+    {
+        if (edmType == null)
+        {
+            return null;
+        }
+
+        var collectionType = edmType as CollectionType;
+        if (collectionType != null)
+        {
+            return String.Format(CultureInfo.InvariantCulture, "ICollection<{0}>", GetTypeName(collectionType.TypeUsage, modelNamespace));
+        }
+
+        var typeName = _code.Escape(edmType.MetadataProperties
+                                .Where(p => p.Name == ExternalTypeNameAttributeName)
+                                .Select(p => (string)p.Value)
+                                .FirstOrDefault())
+            ?? (modelNamespace != null && edmType.NamespaceName != modelNamespace ?
+                _code.CreateFullName(_code.EscapeNamespace(edmType.NamespaceName), _code.Escape(edmType)) :
+                _code.Escape(edmType));
+
+        if (edmType is StructuralType)
+        {
+            return typeName;
+        }
+
+        if (edmType is SimpleType)
+        {
+            var clrType = UnderlyingClrType(edmType);
+            if (!IsEnumType(edmType))
+            {
+                typeName = _code.Escape(clrType);
+            }
+
+            typeName = FixNamespaces(typeName);
+
+            return clrType.IsValueType && isNullable == true ?
+                String.Format(CultureInfo.InvariantCulture, "Nullable<{0}>", typeName) :
+                typeName;
+        }
+
+        throw new ArgumentException("edmType");
+    }
+    
+    public Type UnderlyingClrType(EdmType edmType)
+    {
+        ArgumentNotNull(edmType, "edmType");
+
+        var primitiveType = edmType as PrimitiveType;
+        if (primitiveType != null)
+        {
+            return primitiveType.ClrEquivalentType;
+        }
+
+        if (IsEnumType(edmType))
+        {
+            return GetEnumUnderlyingType(edmType).ClrEquivalentType;
+        }
+
+        return typeof(object);
+    }
+    
+    public object GetEnumMemberValue(MetadataItem enumMember)
+    {
+        ArgumentNotNull(enumMember, "enumMember");
+        
+        var valueProperty = enumMember.GetType().GetProperty("Value");
+        return valueProperty == null ? null : valueProperty.GetValue(enumMember, null);
+    }
+    
+    public string GetEnumMemberName(MetadataItem enumMember)
+    {
+        ArgumentNotNull(enumMember, "enumMember");
+        
+        var nameProperty = enumMember.GetType().GetProperty("Name");
+        return nameProperty == null ? null : (string)nameProperty.GetValue(enumMember, null);
+    }
+
+    public System.Collections.IEnumerable GetEnumMembers(EdmType enumType)
+    {
+        ArgumentNotNull(enumType, "enumType");
+
+        var membersProperty = enumType.GetType().GetProperty("Members");
+        return membersProperty != null 
+            ? (System.Collections.IEnumerable)membersProperty.GetValue(enumType, null)
+            : Enumerable.Empty<MetadataItem>();
+    }
+    
+    public bool EnumIsFlags(EdmType enumType)
+    {
+        ArgumentNotNull(enumType, "enumType");
+        
+        var isFlagsProperty = enumType.GetType().GetProperty("IsFlags");
+        return isFlagsProperty != null && (bool)isFlagsProperty.GetValue(enumType, null);
+    }
+
+    public bool IsEnumType(GlobalItem edmType)
+    {
+        ArgumentNotNull(edmType, "edmType");
+
+        return edmType.GetType().Name == "EnumType";
+    }
+
+    public PrimitiveType GetEnumUnderlyingType(EdmType enumType)
+    {
+        ArgumentNotNull(enumType, "enumType");
+
+        return (PrimitiveType)enumType.GetType().GetProperty("UnderlyingType").GetValue(enumType, null);
+    }
+
+    public string CreateLiteral(object value)
+    {
+        if (value == null || value.GetType() != typeof(TimeSpan))
+        {
+            return _code.CreateLiteral(value);
+        }
+
+        return string.Format(CultureInfo.InvariantCulture, "new TimeSpan({0})", ((TimeSpan)value).Ticks);
+    }
+    
+    public bool VerifyCaseInsensitiveTypeUniqueness(IEnumerable<string> types, string sourceFile)
+    {
+        ArgumentNotNull(types, "types");
+        ArgumentNotNull(sourceFile, "sourceFile");
+        
+        var hash = new HashSet<string>(StringComparer.InvariantCultureIgnoreCase);
+        if (types.Any(item => !hash.Add(item)))
+        {
+            _errors.Add(
+                new CompilerError(sourceFile, -1, -1, "6023",
+                    String.Format(CultureInfo.CurrentCulture, CodeGenerationTools.GetResourceString("Template_CaseInsensitiveTypeConflict"))));
+            return false;
+        }
+        return true;
+    }
+    
+    public IEnumerable<SimpleType> GetEnumItemsToGenerate(IEnumerable<GlobalItem> itemCollection)
+    {
+        return GetItemsToGenerate<SimpleType>(itemCollection)
+            .Where(e => IsEnumType(e));
+    }
+    
+    public IEnumerable<T> GetItemsToGenerate<T>(IEnumerable<GlobalItem> itemCollection) where T: EdmType
+    {
+        return itemCollection
+            .OfType<T>()
+            .Where(i => !i.MetadataProperties.Any(p => p.Name == ExternalTypeNameAttributeName))
+            .OrderBy(i => i.Name);
+    }
+
+    public IEnumerable<string> GetAllGlobalItems(IEnumerable<GlobalItem> itemCollection)
+    {
+        return itemCollection
+            .Where(i => i is EntityType || i is ComplexType || i is EntityContainer || IsEnumType(i))
+            .Select(g => GetGlobalItemName(g));
+    }
+
+    public string GetGlobalItemName(GlobalItem item)
+    {
+        if (item is EdmType)
+        {
+            return ((EdmType)item).Name;
+        }
+        else
+        {
+            return ((EntityContainer)item).Name;
+        }
+    }
+
+    public IEnumerable<EdmProperty> GetSimpleProperties(EntityType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type);
+    }
+    
+    public IEnumerable<EdmProperty> GetSimpleProperties(ComplexType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type);
+    }
+    
+    public IEnumerable<EdmProperty> GetComplexProperties(EntityType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is ComplexType && p.DeclaringType == type);
+    }
+    
+    public IEnumerable<EdmProperty> GetComplexProperties(ComplexType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is ComplexType && p.DeclaringType == type);
+    }
+
+    public IEnumerable<EdmProperty> GetPropertiesWithDefaultValues(EntityType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type && p.DefaultValue != null);
+    }
+    
+    public IEnumerable<EdmProperty> GetPropertiesWithDefaultValues(ComplexType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type && p.DefaultValue != null);
+    }
+
+    public IEnumerable<NavigationProperty> GetNavigationProperties(EntityType type)
+    {
+        return type.NavigationProperties.Where(np => np.DeclaringType == type);
+    }
+    
+    public IEnumerable<NavigationProperty> GetCollectionNavigationProperties(EntityType type)
+    {
+        return type.NavigationProperties.Where(np => np.DeclaringType == type && np.ToEndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many);
+    }
+    
+    public FunctionParameter GetReturnParameter(EdmFunction edmFunction)
+    {
+        ArgumentNotNull(edmFunction, "edmFunction");
+
+        var returnParamsProperty = edmFunction.GetType().GetProperty("ReturnParameters");
+        return returnParamsProperty == null
+            ? edmFunction.ReturnParameter
+            : ((IEnumerable<FunctionParameter>)returnParamsProperty.GetValue(edmFunction, null)).FirstOrDefault();
+    }
+
+    public bool IsComposable(EdmFunction edmFunction)
+    {
+        ArgumentNotNull(edmFunction, "edmFunction");
+
+        var isComposableProperty = edmFunction.GetType().GetProperty("IsComposableAttribute");
+        return isComposableProperty != null && (bool)isComposableProperty.GetValue(edmFunction, null);
+    }
+
+    public IEnumerable<FunctionImportParameter> GetParameters(EdmFunction edmFunction)
+    {
+        return FunctionImportParameter.Create(edmFunction.Parameters, _code, _ef);
+    }
+
+    public TypeUsage GetReturnType(EdmFunction edmFunction)
+    {
+        var returnParam = GetReturnParameter(edmFunction);
+        return returnParam == null ? null : _ef.GetElementType(returnParam.TypeUsage);
+    }
+    
+    public bool GenerateMergeOptionFunction(EdmFunction edmFunction, bool includeMergeOption)
+    {
+        var returnType = GetReturnType(edmFunction);
+        return !includeMergeOption && returnType != null && returnType.EdmType.BuiltInTypeKind == BuiltInTypeKind.EntityType;
+    }
+}
+
+public static void ArgumentNotNull<T>(T arg, string name) where T : class
+{
+    if (arg == null)
+    {
+        throw new ArgumentNullException(name);
+    }
+}
+#>

WebAPiUtils-test/DataAccess/T_SqlManager.cs

+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated from a template.
+//
+//     Manual changes to this file may cause unexpected behavior in your application.
+//     Manual changes to this file will be overwritten if the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace WebAPiUtils_test.DataAccess
+{
+    using System;
+    using System.Collections.Generic;
+    
+    public partial class T_SqlManager
+    {
+        public long id { get; set; }
+        public string my_string { get; set; }
+        public int my_int { get; set; }
+    }
+}

WebAPiUtils-test/DataAccess/ValuesManager.cs

+using System.Collections.Generic;
+using System.Data.Entity;
+using System.Security;
+using iiie.Logs.DBO;
+using iiie.WebApiUtils.BusinessManager;
+using WebAPiUtils_test.DBO;
+
+namespace WebAPiUtils_test.DataAccess
+{
+    public class ValuesManager : SqlServerManager<T_SqlManager, ValuesDbo, SqlServerManagerEntities, ValuesManager>
+    {
+        public override DbSet<T_SqlManager> GetTable(SqlServerManagerEntities db)
+        {
+            return db.T_SqlManager;
+        }
+
+        public override ValuesDbo DbToDbo(T_SqlManager o)
+        {
+            return new ValuesDbo
+            {
+                Id = o.id,
+                MyInt = o.my_int,
+                MyString = o.my_string
+            };
+        }
+
+        public override T_SqlManager DboToDb(ValuesDbo o)
+        {
+            return new T_SqlManager
+            {
+                id = o.Id,
+                my_int = o.MyInt,
+                my_string = o.MyString
+            };
+        }
+
+        public static OpResult<IEnumerable<ValuesDbo>> Contains(string text)
+        {
+            return GetMultipleDbo(x => x.my_string.Contains(text));
+        }
+    }
+}

WebAPiUtils-test/Web.config

   </loggingConfiguration>
   <connectionStrings>
     <add name="Logs-test" connectionString="Server=127.0.0.1;Database=Logs-test;Integrated Security=True" providerName="System.Data.SqlClient" />
-  </connectionStrings>
+  <add name="SqlServerManagerEntities" connectionString="metadata=res://*/DataAccess.SqlServerManager.csdl|res://*/DataAccess.SqlServerManager.ssdl|res://*/DataAccess.SqlServerManager.msl;provider=System.Data.SqlClient;provider connection string=&quot;data source=127.0.0.1;initial catalog=Logs-test;integrated security=True;MultipleActiveResultSets=True;App=EntityFramework&quot;" providerName="System.Data.EntityClient" /></connectionStrings>
   <appSettings>
     <add key="webpages:Version" value="3.0.0.0" />
     <add key="webpages:Enabled" value="false" />
     <compilation debug="true" targetFramework="4.5" />
     <httpRuntime targetFramework="4.5" />
   </system.web>
-  
   <runtime>
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
         <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
         <bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0" />
       </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="EntityFramework" publicKeyToken="b77a5c561934e089" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-5.0.0.0" newVersion="5.0.0.0" />
+      </dependentAssembly>
     </assemblyBinding>
   </runtime>
-<system.webServer>
+  <system.webServer>
     <handlers>
       <remove name="ExtensionlessUrlHandler-Integrated-4.0" />
       <remove name="OPTIONSVerbHandler" />
       <remove name="TRACEVerbHandler" />
       <add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="*" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />
     </handlers>
-  </system.webServer></configuration>
+  </system.webServer>
+  <entityFramework>
+    <defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
+      <parameters>
+        <parameter value="v11.0" />
+      </parameters>
+    </defaultConnectionFactory>
+    <providers>
+      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
+    </providers>
+  </entityFramework>
+</configuration>

WebAPiUtils-test/WebAPiUtils-test.csproj

     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089, processorArchitecture=MSIL">
+      <HintPath>..\packages\EntityFramework.6.1.3\lib\net45\EntityFramework.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="EntityFramework.SqlServer, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089, processorArchitecture=MSIL">
+      <HintPath>..\packages\EntityFramework.6.1.3\lib\net45\EntityFramework.SqlServer.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Logs, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\Logs.dll.1.2.1\lib\net45\Logs.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Practices.EnterpriseLibrary.Common, Version=6.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\EnterpriseLibrary.Common.6.0.1304.0\lib\NET45\Microsoft.Practices.EnterpriseLibrary.Common.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Data" />
-    <Reference Include="System.Data.Entity" />
     <Reference Include="System.Drawing" />
     <Reference Include="System.Net.Http.Formatting, Version=5.2.3.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebApi.Client.5.2.3\lib\net45\System.Net.Http.Formatting.dll</HintPath>
       <Private>True</Private>
     </Reference>
+    <Reference Include="System.Runtime.Serialization" />
+    <Reference Include="System.Security" />
     <Reference Include="System.Web.Entity" />
     <Reference Include="System.Web.ApplicationServices" />
     <Reference Include="System.ComponentModel.DataAnnotations" />
     <Compile Include="Areas\HelpPage\SampleGeneration\SampleDirection.cs" />
     <Compile Include="Areas\HelpPage\SampleGeneration\TextSample.cs" />
     <Compile Include="Areas\HelpPage\XmlDocumentationProvider.cs" />
+    <Compile Include="BusinessManager\ValuesBusiness.cs" />
     <Compile Include="Controllers\HomeController.cs" />
     <Compile Include="Controllers\ValuesController.cs" />
+    <Compile Include="DataAccess\SqlServerManager.Context.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>SqlServerManager.Context.tt</DependentUpon>
+    </Compile>
+    <Compile Include="DataAccess\SqlServerManager.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>SqlServerManager.tt</DependentUpon>
+    </Compile>
+    <Compile Include="DataAccess\SqlServerManager.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>SqlServerManager.edmx</DependentUpon>
+    </Compile>
+    <Compile Include="DataAccess\T_SqlManager.cs">
+      <DependentUpon>SqlServerManager.tt</DependentUpon>
+    </Compile>
+    <Compile Include="DataAccess\ValuesManager.cs" />
     <Compile Include="DBO\MyDbo.cs" />
+    <Compile Include="DBO\ValuesDbo.cs" />
     <Compile Include="Global.asax.cs">
       <DependentUpon>Global.asax</DependentUpon>
     </Compile>
     <Content Include="Areas\HelpPage\Views\Help\DisplayTemplates\HelpPageApiModel.cshtml" />
     <Content Include="Areas\HelpPage\Views\Help\DisplayTemplates\ApiGroup.cshtml" />
     <Content Include="Areas\HelpPage\Views\Help\Api.cshtml" />
+    <EntityDeploy Include="DataAccess\SqlServerManager.edmx">
+      <Generator>EntityModelCodeGenerator</Generator>
+      <LastGenOutput>SqlServerManager.Designer.cs</LastGenOutput>
+    </EntityDeploy>
+    <Content Include="DataAccess\SqlServerManager.Context.tt">
+      <Generator>TextTemplatingFileGenerator</Generator>
+      <DependentUpon>SqlServerManager.edmx</DependentUpon>
+      <LastGenOutput>SqlServerManager.Context.cs</LastGenOutput>
+    </Content>
+    <Content Include="DataAccess\SqlServerManager.edmx.diagram">
+      <DependentUpon>SqlServerManager.edmx</DependentUpon>
+    </Content>
+    <Content Include="DataAccess\SqlServerManager.tt">
+      <Generator>TextTemplatingFileGenerator</Generator>
+      <DependentUpon>SqlServerManager.edmx</DependentUpon>
+      <LastGenOutput>SqlServerManager.cs</LastGenOutput>
+    </Content>
     <None Include="Scripts\jquery-1.10.2.intellisense.js" />
     <Content Include="Scripts\jquery-1.10.2.js" />
     <Content Include="Scripts\jquery-1.10.2.min.js" />
     <Content Include="packages.config" />
     <None Include="Project_Readme.html" />
   </ItemGroup>
+  <ItemGroup>
+    <Service Include="{508349B6-6B84-4DF5-91F0-309BEEBAD82D}" />
+  </ItemGroup>
   <PropertyGroup>
     <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">10.0</VisualStudioVersion>
     <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>

WebAPiUtils-test/packages.config

   <package id="EnterpriseLibrary.Data" version="6.0.1304.0" targetFramework="net45" />
   <package id="EnterpriseLibrary.Logging" version="6.0.1304.0" targetFramework="net45" />
   <package id="EnterpriseLibrary.Logging.Database" version="6.0.1304.0" targetFramework="net45" />
+  <package id="EntityFramework" version="6.1.3" targetFramework="net45" />
   <package id="jQuery" version="1.10.2" targetFramework="net45" />
+  <package id="Logs.dll" version="1.2.1" targetFramework="net45" />
   <package id="Microsoft.AspNet.Mvc" version="5.0.0" targetFramework="net45" />
   <package id="Microsoft.AspNet.Razor" version="3.0.0" targetFramework="net45" />
   <package id="Microsoft.AspNet.Web.Optimization" version="1.1.1" targetFramework="net45" />

WebApiUtils/BusinessManager/BMRHandler.cs

         /// <returns>The error string</returns>
         public static string OpResultToString(OpResult<T> result)
         {
-            if (result)
+            if (result.PublicDetails != null)
                 return result.PublicDetails;
 
             if (result.Status == ResultStatus.LoginError)

WebApiUtils/BusinessManager/SqlServerManager.cs

+using System;
+using System.Collections.Generic;
+using System.Data.Entity;
+using System.Linq;
+using System.Linq.Expressions;
+using iiie.Logs.DataAccess;
+using iiie.Logs.DBO;
+using System.Linq.Dynamic;
+
+namespace iiie.WebApiUtils.BusinessManager
+{
+    /// <summary>
+    /// Helper for SQL Server data access
+    /// </summary>
+    public abstract class SqlServerManager<TDbObject, TDbo, TEntities, TThis>
+        where TDbObject : class
+        where TEntities : DbContext, new()
+        where TThis : SqlServerManager<TDbObject, TDbo, TEntities, TThis>,  new()
+    {
+        private class DbObjectId
+        {
+            public long id { get; set; }
+        }
+
+        /// <summary>
+        /// Return the table to be used
+        /// </summary>
+        /// <param name="db">The database</param>
+        /// <returns>The table instance</returns>
+        public abstract DbSet<TDbObject> GetTable(TEntities db);
+
+        public abstract TDbo DbToDbo(TDbObject obj);
+
+        public abstract TDbObject DboToDb(TDbo obj);
+
+        /// <summary>
+        /// Return the database table to use
+        /// </summary>
+        /// <param name="db">The database instance</param>
+        /// <returns>The table</returns>
+        public static DbSet<TDbObject> GetTableStatic(TEntities db)
+        {
+            var type = new TThis();
+            return type.GetTable(db);
+        }
+
+        /// <summary>
+        /// Helper to convert DB object to DBO
+        /// </summary>
+        /// <param name="res">The result to convert</param>
+        /// <returns>The DBO object</returns>
+        public static OpResult<TDbo> DbToDboStatic(OpResult<TDbObject> res)
+        {
+            if (!res)
+                return OpResult<TDbo>.Error(res);
+            var obj = new TThis();
+            return OpResult<TDbo>.Ok(obj.DbToDbo(res.Data));
+        }
+        
+        /// <summary>
+        /// Helper to convert DBO object to DB
+        /// </summary>
+        /// <param name="res">The result to convert</param>
+        /// <returns>The DB object</returns>
+        public static OpResult<TDbObject> DboToDbStatic(OpResult<TDbo> res)
+        {
+            if (!res)
+                return OpResult<TDbObject>.Error(res);
+            var obj = new TThis();
+            return OpResult<TDbObject>.Ok(obj.DboToDb(res.Data));
+        }
+
+        /// <summary>
+        /// Helper to convert DB object to DBO
+        /// </summary>
+        /// <param name="res">The result to convert</param>
+        /// <returns>The DBO object</returns>
+        public static TDbo DbToDboStatic(TDbObject res)
+        {
+            var obj = new TThis();
+            return obj.DbToDbo(res);
+        }
+        
+        /// <summary>
+        /// Helper to convert DBO object to DB
+        /// </summary>
+        /// <param name="res">The result to convert</param>
+        /// <returns>The DB object</returns>
+        public static TDbObject DboToDbStatic(TDbo res)
+        {
+            var obj = new TThis();
+            return obj.DboToDb(res);
+        }
+
+        /// <summary>
+        /// Execute SQL quries in try catch
+        /// </summary>
+        /// <param name="func">The queries to be performed</param>
+        /// <returns>The result or an error</returns>
+        public static OpResult<U> Execute<U>(Func<TEntities, DbSet<TDbObject>, OpResult<U>> func)
+        {
+            try
+            {
+                using (var db = new TEntities())
+                {
+                    var table = GetTableStatic(db);
+                    return func(db, table);
+                }
+            }
+            catch (Exception e)
+            {
+                return Logger.Error<U>(ResultStatus.DBError, e);
+            }
+        }
+
+        /// <summary>
+        /// Get a single DB object matching the predicate
+        /// </summary>
+        /// <param name="predicate">The predicate</param>
+        /// <returns>The object that match, or null</returns>
+        public static OpResult<TDbObject> GetSingle(Expression<Func<TDbObject, bool>> predicate)
+        {
+            return Execute((db, table) =>
+            {
+                var o = table.FirstOrDefault(predicate);
+                if (o == null)
+                {
+                    return OpResult<TDbObject>.Error(ResultStatus.NotFound, typeof(TThis).Name + ": Value not found", "");
+                }
+                return OpResult<TDbObject>.Ok(o);
+
+            });
+        }
+
+        /// <summary>
+        /// Get a single DBO matching the predicate
+        /// </summary>
+        /// <param name="predicate">The predicate</param>
+        /// <returns>The object that match, or null</returns>
+        public static OpResult<TDbo> GetSingleDbo(Expression<Func<TDbObject, bool>> predicate)
+        {
+            return DbToDboStatic(GetSingle(predicate));
+        }
+
+        /// <summary>
+        /// Get all DB object matching the predicate
+        /// </summary>
+        /// <param name="predicate">The predicate</param>
+        /// <returns>All matching objects</returns>
+        public static OpResult<IEnumerable<TDbObject>> GetMultiple(Expression<Func<TDbObject, bool>> predicate)
+        {
+            return Execute((db, table) => OpResult<IEnumerable<TDbObject>>.Ok(table.Where(predicate).ToList()));
+        }
+
+        /// <summary>
+        /// Get all DBO matching the predicate
+        /// </summary>
+        /// <typeparam name="TDbo">The DBO type</typeparam>
+        /// <param name="predicate">The predicate</param>
+        /// <returns>All matching objects</returns>
+        public static OpResult<IEnumerable<TDbo>> GetMultipleDbo(Expression<Func<TDbObject, bool>> predicate)
+        {
+            var res = GetMultiple(predicate);
+            if (!res)
+                return OpResult<IEnumerable<TDbo>>.Error(res);
+            var dbo = res.Data.Select(DbToDboStatic);
+            return OpResult<IEnumerable<TDbo>>.Ok(dbo);
+        }
+
+        /// <summary>
+        /// Add an entry in the database
+        /// </summary>
+        /// <param name="obj">The object to be added</param>
+        /// <returns>Always true or an OpResult error</returns>
+        public static OpResult<bool> Add(TDbObject obj)
+        {
+            return Execute((db, table) =>
+            {
+                table.Add(obj);
+                db.SaveChanges();
+                return OpResult<bool>.Ok(true);
+            });
+        }
+
+        /// <summary>
+        /// Add an entry in the database
+        /// </summary>
+        /// <param name="obj"></param>
+        /// <returns>Always true or an OpResult error</returns>
+        public static OpResult<bool> AddDbo(TDbo obj)
+        {
+            return Add(DboToDbStatic(obj));
+        }
+
+        /// <summary>
+        /// Get an object by its id
+        /// </summary>
+        /// <param name="id">The id of the object</param>
+        /// <returns>The object</returns>
+        public static OpResult<TDbObject> GetById(long id)
+        {
+            var param = Expression.Parameter(typeof(TDbObject), "x");
+            var exp = Expression.Lambda<Func<TDbObject, bool>>(
+                Expression.Equal(
+                    Expression.Property(param, "id"),
+                    Expression.Constant(id)
+                ), param);
+            return GetSingle(exp);
+        }
+
+        /// <summary>
+        /// Get an object by its id
+        /// </summary>
+        /// <param name="id">The id of the object</param>
+        /// <returns>The object</returns>
+        public static OpResult<TDbo> GetByIdDbo(long id)
+        {
+            return DbToDboStatic(GetById(id));
+        }
+    }
+}

WebApiUtils/WebApiUtils.csproj

     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Dynamic, Version=1.0.0.0, Culture=neutral, PublicKeyToken=68293a411f0cabcc, processorArchitecture=MSIL">
+      <HintPath>..\packages\DynamicQuery.1.0\lib\35\Dynamic.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089, processorArchitecture=MSIL">
+      <HintPath>..\packages\EntityFramework.6.1.3\lib\net45\EntityFramework.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="EntityFramework.SqlServer, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089, processorArchitecture=MSIL">
+      <HintPath>..\packages\EntityFramework.6.1.3\lib\net45\EntityFramework.SqlServer.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Logs, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\Logs.dll.1.2.1\lib\net45\Logs.dll</HintPath>
       <Private>True</Private>
       <Private>True</Private>
     </Reference>
     <Reference Include="System" />
+    <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Core" />
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Net.Http.Formatting, Version=5.2.3.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
     <Compile Include="BusinessManager\BMRHandler.cs" />
     <Compile Include="BusinessManager\CheckModelForNullAttribute.cs" />
     <Compile Include="BusinessManager\ExceptionLoggerAttribute.cs" />
+    <Compile Include="BusinessManager\SqlServerManager.cs" />
     <Compile Include="BusinessManager\ValidateModelStateAttribute.cs" />
     <Compile Include="BusinessManager\WebApiUtils.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <None Include="app.config" />
     <None Include="packages.config" />
   </ItemGroup>
+  <ItemGroup>
+    <Content Include="Dynamic Expressions.html" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.

WebApiUtils/app.config

 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
+  <configSections>
+    <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
+    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
+  </configSections>
   <runtime>
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
+  <entityFramework>
+    <defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
+      <parameters>
+        <parameter value="v11.0" />
+      </parameters>
+    </defaultConnectionFactory>
+    <providers>
+      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
+    </providers>
+  </entityFramework>
 </configuration>

WebApiUtils/packages.config

 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="DynamicQuery" version="1.0" targetFramework="net45" />
   <package id="EnterpriseLibrary.Common" version="6.0.1304.0" targetFramework="net45" />
   <package id="EnterpriseLibrary.Data" version="6.0.1304.0" targetFramework="net45" />
   <package id="EnterpriseLibrary.Logging" version="6.0.1304.0" targetFramework="net45" />
   <package id="EnterpriseLibrary.Logging.Database" version="6.0.1304.0" targetFramework="net45" />
+  <package id="EntityFramework" version="6.1.3" targetFramework="net45" />
   <package id="Logs.dll" version="1.2.1" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebApi.Client" version="5.2.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebApi.Core" version="5.2.3" targetFramework="net45" />