feat: Add DTO imports processing and update model template for cleaner architecture

src/generators/dto.generator.ts

@@ -20,7 +20,7 @@ export function generateCode(swaggerFile: string, templatesDir: string): string
       --global-property models \
       -t "${templatesDir}" \
       -o "${tempDir}" \
-      --additional-properties=ngVersion=17.0.0,modelFileSuffix=.dto`;
+      --additional-properties=ngVersion=17.0.0,modelFileSuffix=.dto,modelNameSuffix=Dto`;
 
     execSync(command, { stdio: 'inherit' });
     logSuccess('Código generado correctamente');
@@ -60,3 +60,63 @@ export function organizeFiles(tempDir: string, outputDir: string): void {
 
   logSuccess(`${filesMoved} DTOs movidos correctamente`);
 }
+
+/** Post-procesa los DTOs generados añadiendo los imports de tipos referenciados. */
+export function addDtoImports(outputDir: string): void {
+  logStep('Añadiendo imports a los DTOs generados...');
+
+  const dtosDir = path.join(outputDir, 'data/dtos');
+
+  if (!fs.existsSync(dtosDir)) return;
+
+  const files = fs.readdirSync(dtosDir).filter((f) => f.endsWith('.dto.ts'));
+
+  // Build a map of DTO classname → file base name (without .ts)
+  const dtoMap: Record<string, string> = {};
+  files.forEach((file) => {
+    const content = fs.readFileSync(path.join(dtosDir, file), 'utf8');
+    const match = content.match(/export interface (\w+)/);
+    if (match) {
+      dtoMap[match[1]] = file.replace('.ts', '');
+    }
+  });
+
+  let filesProcessed = 0;
+
+  files.forEach((file) => {
+    const filePath = path.join(dtosDir, file);
+    let content = fs.readFileSync(filePath, 'utf8');
+
+    const selfMatch = content.match(/export interface (\w+)/);
+    const selfName = selfMatch ? selfMatch[1] : '';
+
+    // Find all Dto type references in the file body (excluding the interface name itself)
+    const references = new Set<string>();
+    const typeRegex = /\b(\w+Dto)\b/g;
+    let match;
+    while ((match = typeRegex.exec(content)) !== null) {
+      if (match[1] !== selfName) {
+        references.add(match[1]);
+      }
+    }
+
+    if (references.size === 0) return;
+
+    // Build import lines for each referenced type that exists in the dtoMap
+    const imports: string[] = [];
+    references.forEach((ref) => {
+      if (dtoMap[ref]) {
+        imports.push(`import { ${ref} } from './${dtoMap[ref]}';`);
+      }
+    });
+
+    if (imports.length > 0) {
+      content = imports.join('\n') + '\n' + content;
+      fs.writeFileSync(filePath, content);
+      filesProcessed++;
+      logInfo(`  Imports añadidos a ${file}`);
+    }
+  });
+
+  logSuccess(`Imports añadidos a ${filesProcessed} DTOs`);
+}