260324:2133 Refactor correspondence & rfa

backend/src/modules/search/dto/search-query.dto.ts

@@ -10,6 +10,10 @@ export class SearchQueryDto {
   @IsOptional()
   type?: string; // กรองประเภท: 'rfa', 'correspondence', 'drawing'
 
+  @IsString()
+  @IsOptional()
+  status?: string; // กรองสถานะ: 'DRAFT', 'SUBOWN', 'CLBOWN', 'CANCELLED', ...
+
   @IsInt()
   @Type(() => Number)
   @IsOptional()

backend/src/modules/search/search.service.ts

@@ -108,7 +108,7 @@ export class SearchService implements OnModuleInit {
    * ค้นหาเอกสาร (Full-text Search)
    */
   async search(queryDto: SearchQueryDto) {
-    const { q, type, projectId, page = 1, limit = 20 } = queryDto;
+    const { q, type, status, projectId, page = 1, limit = 20 } = queryDto;
     const from = (page - 1) * limit;
 
     // Early fallback if Elasticsearch is not available
@@ -135,6 +135,7 @@ export class SearchService implements OnModuleInit {
     // 2. Filter logic
     const filterQueries: Record<string, unknown>[] = [];
     if (type) filterQueries.push({ term: { type } });
+    if (status) filterQueries.push({ term: { status } });
     if (projectId) filterQueries.push({ term: { projectId } });
 
     try {