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- package com.rthoni.intellij.codefromds.business;
-
- import com.intellij.database.model.DasForeignKey;
- import com.intellij.database.model.MultiRef;
- import com.intellij.database.psi.DbDataSource;
- import com.intellij.database.util.DasUtil;
- import com.intellij.openapi.project.Project;
- import com.rthoni.intellij.codefromds.dbo.options.ColumnSelection;
- import com.rthoni.intellij.codefromds.dbo.options.GenerateOptions;
- import com.rthoni.intellij.codefromds.dbo.options.TableSelection;
- import com.rthoni.intellij.codefromds.dbo.template.ColumnDataSourceDbo;
- import com.rthoni.intellij.codefromds.dbo.template.DataSourceDbo;
- import com.rthoni.intellij.codefromds.dbo.template.ForeignKeyDbo;
- import com.rthoni.intellij.codefromds.dbo.template.TableDataSourceDbo;
- import org.json.JSONObject;
- import org.jtwig.JtwigModel;
- import org.jtwig.JtwigTemplate;
-
- import java.io.File;
- import java.io.FileOutputStream;
- import java.io.IOException;
- import java.nio.charset.StandardCharsets;
- import java.nio.file.Files;
- import java.nio.file.Paths;
- import java.util.HashMap;
- import java.util.List;
- import java.util.Vector;
- import java.util.stream.Collectors;
- import java.util.stream.StreamSupport;
-
- /**
- * Created by robin on 11/15/16.
- */
- public abstract class Generator {
-
- public static void saveOptions(GenerateOptions options) throws Exception
- {
- HashMap<String, Object> map = options.toMap();
- JSONObject obj = new JSONObject(map);
- FileOutputStream file = new FileOutputStream(options.getConfigAbsolutePath());
- file.write(obj.toString(4).getBytes());
- file.close();
- }
-
- public static GenerateOptions loadOptions(String configPath) throws Exception
- {
- String data = Files.readAllLines(Paths.get(configPath), StandardCharsets.UTF_8).stream().reduce("", (s1, s2) -> s1 + s2 + "\n");
-
- JSONObject obj = new JSONObject(data);
- String src = obj.getJSONObject("selection").getString("source");
-
- DbDataSource dataSource = Helper.findDataSource(src);
- if (dataSource == null) {
- throw new Exception("Data source " + src + " not found");
- }
-
- GenerateOptions options = new GenerateOptions(dataSource);
- options.setConfigAbsolutePath(configPath);
- options.fromJson(obj);
- return options;
- }
-
- public static ForeignKeyDbo convertForeignKey(DasForeignKey fk, DataSourceDbo source)
- {
- ForeignKeyDbo dbo = new ForeignKeyDbo();
-
- dbo.setName(fk.getName());
-
- dbo.setSourceForeignKeyName("fk_" + fk.getRefTable().getName());
- dbo.setSourceTable(source.getTables().stream().filter(t -> t.getName().equals(fk.getTable().getName())).findFirst().get());
- MultiRef columnsRef = fk.getColumnsRef();
- dbo.setSourceColumns(dbo.getSourceTable().getColumns().stream().filter(c -> StreamSupport.stream(columnsRef.names().spliterator(), false).anyMatch(cc -> cc.equals(c.getName()))).collect(Collectors.toList()));
-
- dbo.setTargetForeignKeyName(fk.getTable().getName() + "_fk");
- dbo.setTargetTable(source.getTables().stream().filter(t -> t.getName().equals(fk.getRefTable().getName())).findFirst().get());
- MultiRef refColumns = fk.getRefColumns();
- dbo.setTargetColumns(dbo.getTargetTable().getColumns().stream().filter(c -> StreamSupport.stream(refColumns.names().spliterator(), false).anyMatch(cc -> cc.equals(c.getName()))).collect(Collectors.toList()));
-
- dbo.getTargetTable().getTargetForeignKeys().add(dbo);
-
- return dbo;
- }
-
- public static ColumnDataSourceDbo convertColumn(ColumnSelection columnSelection)
- {
- ColumnDataSourceDbo dbo = new ColumnDataSourceDbo();
- dbo.setName(columnSelection.getColumn().getName());
- dbo.setPrimary(DasUtil.isPrimary(columnSelection.getColumn()));
- dbo.setSelected(columnSelection.isSelected());
- return dbo;
- }
-
- public static TableDataSourceDbo convertTable(TableSelection tableSelection)
- {
- TableDataSourceDbo dbo = new TableDataSourceDbo();
- dbo.setName(tableSelection.getTable().getName());
- dbo.setColumns(tableSelection.getColumns().stream().map(Generator::convertColumn).collect(Collectors.toList()));
- dbo.setPrimaryKeys(dbo.getColumns().stream().filter(ColumnDataSourceDbo::isPrimary).collect(Collectors.toList()));
- dbo.setHasAny(!tableSelection.hasNone());
- dbo.setTargetForeignKeys(new Vector<>());
- return dbo;
- }
-
- public static DataSourceDbo convertOptions(GenerateOptions options)
- {
- DataSourceDbo dbo = new DataSourceDbo();
-
- dbo.setName(options.getSelection().getSource().getName());
- dbo.setTables(options.getSelection().getTables().stream().map(Generator::convertTable).collect(Collectors.toList()));
-
- List<TableDataSourceDbo> tables = dbo.getTables();
- List<TableSelection> tableSelections = options.getSelection().getTables();
- for (int i = 0; i < tables.size(); ++i) {
- TableDataSourceDbo table = tables.get(i);
- TableSelection tableSelection = tableSelections.get(i);
- table.setSourceForeignKeys(DasUtil.getForeignKeys(tableSelection.getTable()).toList().stream().map(t -> convertForeignKey(t, dbo)).collect(Collectors.toList()));
- }
-
- return dbo;
- }
-
- public static void generateFile(String templatePath, String outputFile, DataSourceDbo dataSource, TableDataSourceDbo table) throws IOException
- {
- String data = Helper.readFile(templatePath);
-
- FileOutputStream file = new FileOutputStream(outputFile);
-
- JtwigTemplate template = JtwigTemplate.inlineTemplate(data);
- JtwigModel model = JtwigModel.newModel().with("dataSource", dataSource).with("table", table);
-
- template.render(model, file);
-
- file.close();
- }
-
- public static void generate(GenerateOptions options, Project project) throws IOException
- {
- String modelsAbsolutePath = Helper.getAbsolutePath(project, options.getModelsRelativePath());
- String dataSourceTemplateAbsolutePath = Helper.getAbsolutePath(project, options.getDataSourceTemplateRelativePath());
- String modelsTemplateAbsolutePath = Helper.getAbsolutePath(project, options.getModelsTemplateRelativePath());
-
- DataSourceDbo dbo = convertOptions(options);
-
- generateFile(dataSourceTemplateAbsolutePath, modelsAbsolutePath + File.separator +
- "Database." + options.getFilesExtension(), dbo, null);
- for (TableDataSourceDbo table : dbo.getTables()) {
- if (table.hasAny()) {
- generateFile(modelsTemplateAbsolutePath, modelsAbsolutePath + File.separator +
- table.getName() + "." + options.getFilesExtension(), dbo, table);
- }
- }
- }
- }
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