251126:1700 1.4.4

.vscode/nap-dms.lcbp3.code-workspace

@@ -21,10 +21,21 @@
 				"username": "root"
 			}
 		],
-		"editor.fontSize": 15,
+		"editor.fontSize": 16,
 		"editor.codeActionsOnSave": {
-
+			"terminal": true
 		},
-		"editor.codeActions.triggerOnFocusChange": true
+		"editor.codeActions.triggerOnFocusChange": true,
+		"editor.tabSize": 2,
+		"editor.minimap.sectionHeaderFontSize": 12,
+		"terminal.integrated.fontSize": 15,
+		"workbench.colorTheme": "Default Dark Modern",
+		"workbench.colorCustomizations": {
+			"terminal.background": "#07003c",
+			"terminal.foreground": "#ffffff",
+			"terminalCursor.background": "#ffffff",
+			"terminalCursor.foreground": "#eeff00"
+		},
+		"geminicodeassist.agentYoloMode": false,
 	}
 }

.vscode/settings.json

@@ -1,7 +1,8 @@
 {
   "editor.formatOnSave": true,
   "editor.codeActionsOnSave": {
-    "source.fixAll.eslint": "explicit"
+    "source.fixAll.eslint": "explicit",
+    "source.fixAll.sqltools": "explicit"
   },
   "eslint.validate": [
     "javascript",
@@ -25,5 +26,9 @@
       "username": "root"
     }
   ],
-  "editor.fontSize": 16
+  "editor.fontSize": 16,
+  "editor.fontLigatures": false,
+  "editor.tabSize": 2,
+  "editor.minimap.sectionHeaderFontSize": 12,
+  "markdown.extension.print.theme": "dark"
 }

backend/src/app.module.ts

@@ -1,6 +1,7 @@
 // File: src/app.module.ts
 // บันทึกการแก้ไข: เพิ่ม CacheModule (Redis), Config สำหรับ Idempotency และ Maintenance Mode (T1.1)
 // บันทึกการแก้ไข: เพิ่ม MonitoringModule และ WinstonModule (T6.3)
+// เพิ่ม MasterModule
 
 import { Module } from '@nestjs/common';
 import { APP_GUARD, APP_INTERCEPTOR } from '@nestjs/core';
@@ -9,26 +10,28 @@ import { TypeOrmModule } from '@nestjs/typeorm';
 import { BullModule } from '@nestjs/bullmq';
 import { ThrottlerModule, ThrottlerGuard } from '@nestjs/throttler';
 import { CacheModule } from '@nestjs/cache-manager';
-import { WinstonModule } from 'nest-winston'; // ✅ Import WinstonModule
+import { WinstonModule } from 'nest-winston';
 import { redisStore } from 'cache-manager-redis-yet';
+import { RedisModule } from '@nestjs-modules/ioredis';
+
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
 import { envValidationSchema } from './common/config/env.validation.js';
 import redisConfig from './common/config/redis.config';
-import { winstonConfig } from './modules/monitoring/logger/winston.config'; // ✅ Import Config
+import { winstonConfig } from './modules/monitoring/logger/winston.config';
 
 // Entities & Interceptors
 import { AuditLog } from './common/entities/audit-log.entity';
 import { AuditLogInterceptor } from './common/interceptors/audit-log.interceptor';
 import { MaintenanceModeGuard } from './common/guards/maintenance-mode.guard';
-// import { IdempotencyInterceptor } from './common/interceptors/idempotency.interceptor';
 
 // Modules
+import { AuthModule } from './common/auth/auth.module.js';
 import { UserModule } from './modules/user/user.module';
 import { ProjectModule } from './modules/project/project.module';
+import { MasterModule } from './modules/master/master.module'; // [NEW] ✅ เพิ่ม MasterModule
 import { FileStorageModule } from './common/file-storage/file-storage.module.js';
 import { DocumentNumberingModule } from './modules/document-numbering/document-numbering.module';
-import { AuthModule } from './common/auth/auth.module.js';
 import { JsonSchemaModule } from './modules/json-schema/json-schema.module.js';
 import { WorkflowEngineModule } from './modules/workflow-engine/workflow-engine.module';
 import { CorrespondenceModule } from './modules/correspondence/correspondence.module';
@@ -37,12 +40,10 @@ import { DrawingModule } from './modules/drawing/drawing.module';
 import { TransmittalModule } from './modules/transmittal/transmittal.module';
 import { CirculationModule } from './modules/circulation/circulation.module';
 import { NotificationModule } from './modules/notification/notification.module';
-// ✅ Import Monitoring Module
 import { MonitoringModule } from './modules/monitoring/monitoring.module';
-import { ResilienceModule } from './common/resilience/resilience.module'; // ✅ Import
+import { ResilienceModule } from './common/resilience/resilience.module';
-// ... imports
+import { SearchModule } from './modules/search/search.module';
-import { SearchModule } from './modules/search/search.module'; // ✅ Import
+
-import { RedisModule } from '@nestjs-modules/ioredis'; // [NEW]
 @Module({
   imports: [
     // 1. Setup Config Module พร้อม Validation
@@ -80,7 +81,7 @@ import { RedisModule } from '@nestjs-modules/ioredis'; // [NEW]
       inject: [ConfigService],
     }),
 
-    // 📝 Setup Winston Logger (Structured Logging) [Req 6.10]
+    // 📝 Setup Winston Logger
     WinstonModule.forRoot(winstonConfig),
 
     // 2. Setup TypeORM (MariaDB)
@@ -114,7 +115,8 @@ import { RedisModule } from '@nestjs-modules/ioredis'; // [NEW]
         },
       }),
     }),
-    // [NEW] Setup Redis Module (สำหรับ InjectRedis)
+
+    // Setup Redis Module (for InjectRedis)
     RedisModule.forRootAsync({
       imports: [ConfigModule],
       useFactory: (configService: ConfigService) => ({
@@ -126,25 +128,27 @@ import { RedisModule } from '@nestjs-modules/ioredis'; // [NEW]
       }),
       inject: [ConfigService],
     }),
-    // 📊 Register Monitoring Module (Health & Metrics) [Req 6.10]
-    MonitoringModule,
 
-    // Feature Modules
+    // 📊 Monitoring & Resilience
+    MonitoringModule,
+    ResilienceModule,
+
+    // 📦 Feature Modules
     AuthModule,
     UserModule,
     ProjectModule,
+    MasterModule, // ✅ [NEW] Register MasterModule here
     FileStorageModule,
     DocumentNumberingModule,
     JsonSchemaModule,
     WorkflowEngineModule,
     CorrespondenceModule,
-    RfaModule, // 👈 ต้องมี
+    RfaModule,
-    DrawingModule, // 👈 ต้องมี
+    DrawingModule,
-    TransmittalModule, // 👈 ต้องมี
+    TransmittalModule,
-    CirculationModule, // 👈 ต้องมี
+    CirculationModule,
-    SearchModule, // ✅ Register Module
+    SearchModule,
-    NotificationModule, // 👈 ต้องมี
+    NotificationModule,
-    ResilienceModule, // ✅ Register Module
   ],
   controllers: [AppController],
   providers: [
@@ -164,17 +168,6 @@ import { RedisModule } from '@nestjs-modules/ioredis'; // [NEW]
       provide: APP_INTERCEPTOR,
       useClass: AuditLogInterceptor,
     },
-    // 🔄 4. Register Idempotency (ถ้าต้องการ Global)
-    // {
-    //   provide: APP_INTERCEPTOR,
-    //   useClass: IdempotencyInterceptor,
-    // },
   ],
 })
 export class AppModule {}
-
-/*วิธีใช้งาน
-เมื่อต้องการเปิด Maintenance Mode ให้ Admin (หรือคุณ) ยิงคำสั่งเข้า Redis หรือสร้าง API เพื่อ Set ค่า: SET system:maintenance_mode true (หรือ "true")
-
-ระบบจะตอบกลับด้วย 503 Service Unavailable ทันที ยกเว้น Controller ที่คุณใส่ @BypassMaintenance() ไว้ครับ
-*/

backend/src/modules/master/dto/create-discipline.dto.ts

@@ -0,0 +1,29 @@
+import {
+  IsInt,
+  IsString,
+  IsNotEmpty,
+  IsOptional,
+  IsBoolean,
+} from 'class-validator';
+
+export class CreateDisciplineDto {
+  @IsInt()
+  @IsNotEmpty()
+  contractId!: number;
+
+  @IsString()
+  @IsNotEmpty()
+  disciplineCode!: string; // เช่น 'STR', 'ARC'
+
+  @IsString()
+  @IsOptional()
+  codeNameTh?: string;
+
+  @IsString()
+  @IsOptional()
+  codeNameEn?: string;
+
+  @IsBoolean()
+  @IsOptional()
+  isActive?: boolean;
+}

backend/src/modules/master/dto/create-sub-type.dto.ts

@@ -0,0 +1,23 @@
+import { IsInt, IsString, IsNotEmpty, IsOptional } from 'class-validator';
+
+export class CreateSubTypeDto {
+  @IsInt()
+  @IsNotEmpty()
+  contractId!: number;
+
+  @IsInt()
+  @IsNotEmpty()
+  correspondenceTypeId!: number;
+
+  @IsString()
+  @IsNotEmpty()
+  subTypeCode!: string; // เช่น 'MAT'
+
+  @IsString()
+  @IsOptional()
+  subTypeName?: string;
+
+  @IsString()
+  @IsOptional()
+  subTypeNumber?: string; // เช่น '11'
+}

backend/src/modules/master/dto/save-number-format.dto.ts

@@ -0,0 +1,15 @@
+import { IsInt, IsString, IsNotEmpty, IsOptional } from 'class-validator';
+
+export class SaveNumberFormatDto {
+  @IsInt()
+  @IsNotEmpty()
+  projectId!: number;
+
+  @IsInt()
+  @IsNotEmpty()
+  correspondenceTypeId!: number;
+
+  @IsString()
+  @IsNotEmpty()
+  formatTemplate!: string; // เช่น '{ORG}-{TYPE}-{DISCIPLINE}-{SEQ:4}'
+}

backend/src/modules/master/master.controller.ts

@@ -4,6 +4,7 @@ import {
   Controller,
   Get,
   Post,
+  Put,
   Body,
   Patch,
   Param,
@@ -12,22 +13,28 @@ import {
   UseGuards,
   ParseIntPipe,
 } from '@nestjs/common';
-import { ApiTags, ApiOperation, ApiResponse } from '@nestjs/swagger';
+import { ApiTags, ApiOperation, ApiResponse, ApiQuery } from '@nestjs/swagger';
 import { MasterService } from './master.service';
+
+// DTOs (สมมติว่ามีการสร้างไฟล์เหล่านี้แล้วตามแผนงาน)
 import { CreateTagDto } from './dto/create-tag.dto';
 import { UpdateTagDto } from './dto/update-tag.dto';
 import { SearchTagDto } from './dto/search-tag.dto';
+import { CreateDisciplineDto } from './dto/create-discipline.dto'; // [New]
+import { CreateSubTypeDto } from './dto/create-sub-type.dto'; // [New]
+import { SaveNumberFormatDto } from './dto/save-number-format.dto'; // [New]
+
 import { JwtAuthGuard } from '../../common/guards/jwt-auth.guard';
 import { RequirePermission } from '../../common/decorators/require-permission.decorator';
 
 @ApiTags('Master Data')
 @Controller('master')
-@UseGuards(JwtAuthGuard) // บังคับ Login ทุก Endpoint
+@UseGuards(JwtAuthGuard)
 export class MasterController {
   constructor(private readonly masterService: MasterService) {}
 
   // =================================================================
-  // 📦 Dropdowns Endpoints (Read-Only for Frontend)
+  // 📦 Common Dropdowns (Read-Only)
   // =================================================================
 
   @Get('correspondence-types')
@@ -67,7 +74,82 @@ export class MasterController {
   }
 
   // =================================================================
-  // 🏷️ Tag Management Endpoints
+  // 🏗️ Disciplines Management (Req 6B)
+  // =================================================================
+
+  @Get('disciplines')
+  @ApiOperation({ summary: 'Get disciplines (filter by contract optional)' })
+  @ApiQuery({ name: 'contractId', required: false, type: Number })
+  getDisciplines(@Query('contractId') contractId?: number) {
+    return this.masterService.findAllDisciplines(contractId);
+  }
+
+  @Post('disciplines')
+  @RequirePermission('master_data.manage') // สิทธิ์ Admin
+  @ApiOperation({ summary: 'Create a new discipline' })
+  createDiscipline(@Body() dto: CreateDisciplineDto) {
+    return this.masterService.createDiscipline(dto);
+  }
+
+  @Delete('disciplines/:id')
+  @RequirePermission('master_data.manage')
+  @ApiOperation({ summary: 'Delete a discipline' })
+  deleteDiscipline(@Param('id', ParseIntPipe) id: number) {
+    return this.masterService.deleteDiscipline(id);
+  }
+
+  // =================================================================
+  // 📑 Correspondence Sub-Types (Req 6B)
+  // =================================================================
+
+  @Get('sub-types')
+  @ApiOperation({ summary: 'Get sub-types (filter by contract/type optional)' })
+  @ApiQuery({ name: 'contractId', required: false, type: Number })
+  @ApiQuery({ name: 'typeId', required: false, type: Number })
+  getSubTypes(
+    @Query('contractId') contractId?: number,
+    @Query('typeId') typeId?: number,
+  ) {
+    return this.masterService.findAllSubTypes(contractId, typeId);
+  }
+
+  @Post('sub-types')
+  @RequirePermission('master_data.manage')
+  @ApiOperation({ summary: 'Create/Map a new sub-type' })
+  createSubType(@Body() dto: CreateSubTypeDto) {
+    return this.masterService.createSubType(dto);
+  }
+
+  @Delete('sub-types/:id')
+  @RequirePermission('master_data.manage')
+  @ApiOperation({ summary: 'Delete a sub-type' })
+  deleteSubType(@Param('id', ParseIntPipe) id: number) {
+    return this.masterService.deleteSubType(id);
+  }
+
+  // =================================================================
+  // 🔢 Numbering Formats (Admin Config)
+  // =================================================================
+
+  @Get('numbering-formats')
+  @RequirePermission('master_data.manage') // ข้อมูล config ควรสงวนสิทธิ์
+  @ApiOperation({ summary: 'Get numbering format for specific project/type' })
+  getNumberFormat(
+    @Query('projectId', ParseIntPipe) projectId: number,
+    @Query('typeId', ParseIntPipe) typeId: number,
+  ) {
+    return this.masterService.findNumberFormat(projectId, typeId);
+  }
+
+  @Post('numbering-formats')
+  @RequirePermission('system.manage_all') // เฉพาะ Superadmin/System Admin
+  @ApiOperation({ summary: 'Save or Update numbering format template' })
+  saveNumberFormat(@Body() dto: SaveNumberFormatDto) {
+    return this.masterService.saveNumberFormat(dto);
+  }
+
+  // =================================================================
+  // 🏷️ Tag Management
   // =================================================================
 
   @Get('tags')
@@ -83,21 +165,21 @@ export class MasterController {
   }
 
   @Post('tags')
-  @RequirePermission('master_data.tag.manage') // ต้องมีสิทธิ์ (Admin/Doc Control)
+  @RequirePermission('master_data.tag.manage')
   @ApiOperation({ summary: 'Create a new tag' })
   createTag(@Body() dto: CreateTagDto) {
     return this.masterService.createTag(dto);
   }
 
   @Patch('tags/:id')
-  @RequirePermission('master_data.tag.manage') // ต้องมีสิทธิ์
+  @RequirePermission('master_data.tag.manage')
   @ApiOperation({ summary: 'Update a tag' })
   updateTag(@Param('id', ParseIntPipe) id: number, @Body() dto: UpdateTagDto) {
     return this.masterService.updateTag(id, dto);
   }
 
   @Delete('tags/:id')
-  @RequirePermission('master_data.tag.manage') // ต้องมีสิทธิ์
+  @RequirePermission('master_data.tag.manage')
   @ApiOperation({ summary: 'Delete a tag' })
   deleteTag(@Param('id', ParseIntPipe) id: number) {
     return this.masterService.deleteTag(id);

backend/src/modules/master/master.module.ts

@@ -5,7 +5,7 @@ import { TypeOrmModule } from '@nestjs/typeorm';
 import { MasterService } from './master.service';
 import { MasterController } from './master.controller';
 
-// Import Entities
+// Import Entities เดิม
 import { Tag } from './entities/tag.entity';
 import { CorrespondenceType } from '../correspondence/entities/correspondence-type.entity';
 import { CorrespondenceStatus } from '../correspondence/entities/correspondence-status.entity';
@@ -14,6 +14,12 @@ import { RfaStatusCode } from '../rfa/entities/rfa-status-code.entity';
 import { RfaApproveCode } from '../rfa/entities/rfa-approve-code.entity';
 import { CirculationStatusCode } from '../circulation/entities/circulation-status-code.entity';
 
+// [New v1.4.4] Import Entities ใหม่ตาม Req 6B และ T2.6
+import { Discipline } from './entities/discipline.entity';
+import { CorrespondenceSubType } from '../correspondence/entities/correspondence-sub-type.entity';
+// Entity นี้อาจจะอยู่ใน module document-numbering แต่นำมาใช้ที่นี่เพื่อการจัดการ Master Data
+import { DocumentNumberFormat } from '../document-numbering/entities/document-number-format.entity';
+
 @Module({
   imports: [
     TypeOrmModule.forFeature([
@@ -24,10 +30,14 @@ import { CirculationStatusCode } from '../circulation/entities/circulation-statu
       RfaStatusCode,
       RfaApproveCode,
       CirculationStatusCode,
+      // [New] Register Repositories
+      Discipline,
+      CorrespondenceSubType,
+      DocumentNumberFormat,
     ]),
   ],
   controllers: [MasterController],
   providers: [MasterService],
-  exports: [MasterService], // Export เผื่อ Module อื่นต้องใช้
+  exports: [MasterService],
 })
 export class MasterModule {}

backend/src/modules/master/master.service.ts

@@ -1,6 +1,10 @@
 // File: src/modules/master/master.service.ts
 
-import { Injectable, NotFoundException } from '@nestjs/common';
+import {
+  Injectable,
+  NotFoundException,
+  ConflictException,
+} from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 import { Repository } from 'typeorm';
 
@@ -13,132 +17,220 @@ import { RfaApproveCode } from '../rfa/entities/rfa-approve-code.entity';
 import { CirculationStatusCode } from '../circulation/entities/circulation-status-code.entity';
 import { Tag } from './entities/tag.entity';
 
+// [New] Entities
+import { Discipline } from './entities/discipline.entity';
+import { CorrespondenceSubType } from '../correspondence/entities/correspondence-sub-type.entity';
+import { DocumentNumberFormat } from '../document-numbering/entities/document-number-format.entity';
+
 // Import DTOs
 import { CreateTagDto } from './dto/create-tag.dto';
 import { UpdateTagDto } from './dto/update-tag.dto';
 import { SearchTagDto } from './dto/search-tag.dto';
+import { CreateDisciplineDto } from './dto/create-discipline.dto';
+import { CreateSubTypeDto } from './dto/create-sub-type.dto';
+import { SaveNumberFormatDto } from './dto/save-number-format.dto';
 
 @Injectable()
 export class MasterService {
   constructor(
     @InjectRepository(CorrespondenceType)
     private readonly corrTypeRepo: Repository<CorrespondenceType>,
-
     @InjectRepository(CorrespondenceStatus)
     private readonly corrStatusRepo: Repository<CorrespondenceStatus>,
-
     @InjectRepository(RfaType)
     private readonly rfaTypeRepo: Repository<RfaType>,
-
     @InjectRepository(RfaStatusCode)
     private readonly rfaStatusRepo: Repository<RfaStatusCode>,
-
     @InjectRepository(RfaApproveCode)
     private readonly rfaApproveRepo: Repository<RfaApproveCode>,
-
     @InjectRepository(CirculationStatusCode)
     private readonly circulationStatusRepo: Repository<CirculationStatusCode>,
-
     @InjectRepository(Tag)
     private readonly tagRepo: Repository<Tag>,
+
+    // [New] Repositories
+    @InjectRepository(Discipline)
+    private readonly disciplineRepo: Repository<Discipline>,
+    @InjectRepository(CorrespondenceSubType)
+    private readonly subTypeRepo: Repository<CorrespondenceSubType>,
+    @InjectRepository(DocumentNumberFormat)
+    private readonly formatRepo: Repository<DocumentNumberFormat>,
   ) {}
 
-  // =================================================================
+  // ... (Method เดิม: findAllCorrespondenceTypes, findAllCorrespondenceStatuses, ฯลฯ เก็บไว้เหมือนเดิม) ...
-  // ✉️ Correspondence Master Data
+  // หมายเหตุ: ตรวจสอบว่า Entity ใช้ชื่อ property ว่า isActive หรือ is_active (ใน SQL เป็น is_active แต่ใน Entity มักเป็น isActive)
-  // =================================================================
+  // โค้ดเดิมใช้ `where: { isActive: true }` ซึ่งถูกต้องถ้า Entity map column name แล้ว
 
   async findAllCorrespondenceTypes() {
     return this.corrTypeRepo.find({
-      where: { isActive: true }, // ✅ แก้เป็น camelCase
+      where: { isActive: true },
-      order: { sortOrder: 'ASC' }, // ✅ แก้เป็น camelCase
+      order: { sortOrder: 'ASC' },
     });
   }
-
   async findAllCorrespondenceStatuses() {
     return this.corrStatusRepo.find({
-      where: { isActive: true }, // ✅ แก้เป็น camelCase
+      where: { isActive: true },
-      order: { sortOrder: 'ASC' }, // ✅ แก้เป็น camelCase
+      order: { sortOrder: 'ASC' },
     });
   }
-
-  // =================================================================
-  // 📐 RFA Master Data
-  // =================================================================
-
   async findAllRfaTypes() {
     return this.rfaTypeRepo.find({
-      where: { isActive: true }, // ✅ แก้เป็น camelCase
+      where: { isActive: true },
-      order: { sortOrder: 'ASC' }, // ✅ แก้เป็น camelCase
+      order: { sortOrder: 'ASC' },
     });
   }
-
   async findAllRfaStatuses() {
     return this.rfaStatusRepo.find({
-      where: { isActive: true }, // ✅ แก้เป็น camelCase
+      where: { isActive: true },
-      order: { sortOrder: 'ASC' }, // ✅ แก้เป็น camelCase
+      order: { sortOrder: 'ASC' },
     });
   }
-
   async findAllRfaApproveCodes() {
     return this.rfaApproveRepo.find({
-      where: { isActive: true }, // ✅ แก้เป็น camelCase
+      where: { isActive: true },
-      order: { sortOrder: 'ASC' }, // ✅ แก้เป็น camelCase
+      order: { sortOrder: 'ASC' },
     });
   }
-
-  // =================================================================
-  // 🔄 Circulation Master Data
-  // =================================================================
-
   async findAllCirculationStatuses() {
     return this.circulationStatusRepo.find({
-      where: { isActive: true }, // ✅ แก้เป็น camelCase
+      where: { isActive: true },
-      order: { sortOrder: 'ASC' }, // ✅ แก้เป็น camelCase
+      order: { sortOrder: 'ASC' },
     });
   }
 
   // =================================================================
-  // 🏷️ Tag Management (CRUD)
+  // 🏗️ Disciplines Logic
   // =================================================================
 
+  async findAllDisciplines(contractId?: number) {
+    const query = this.disciplineRepo
+      .createQueryBuilder('d')
+      .leftJoinAndSelect('d.contract', 'c')
+      .orderBy('d.disciplineCode', 'ASC');
+
+    if (contractId) {
+      query.where('d.contractId = :contractId', { contractId });
+    }
+    // เพิ่มเงื่อนไข Active หากต้องการ
+    query.andWhere('d.isActive = :isActive', { isActive: true });
+
+    return query.getMany();
+  }
+
+  async createDiscipline(dto: CreateDisciplineDto) {
+    const exists = await this.disciplineRepo.findOne({
+      where: { contractId: dto.contractId, disciplineCode: dto.disciplineCode },
+    });
+    if (exists)
+      throw new ConflictException(
+        'Discipline code already exists in this contract',
+      );
+
+    const discipline = this.disciplineRepo.create(dto);
+    return this.disciplineRepo.save(discipline);
+  }
+
+  async deleteDiscipline(id: number) {
+    const result = await this.disciplineRepo.delete(id);
+    if (result.affected === 0)
+      throw new NotFoundException(`Discipline ID ${id} not found`);
+    return { deleted: true };
+  }
+
+  // =================================================================
+  // 📑 Sub-Types Logic
+  // =================================================================
+
+  async findAllSubTypes(contractId?: number, typeId?: number) {
+    const query = this.subTypeRepo
+      .createQueryBuilder('st')
+      .leftJoinAndSelect('st.contract', 'c')
+      .leftJoinAndSelect('st.correspondenceType', 'ct')
+      .orderBy('st.subTypeCode', 'ASC');
+
+    if (contractId)
+      query.andWhere('st.contractId = :contractId', { contractId });
+    if (typeId) query.andWhere('st.correspondenceTypeId = :typeId', { typeId });
+
+    return query.getMany();
+  }
+
+  async createSubType(dto: CreateSubTypeDto) {
+    // อาจจะเช็ค Duplicate code ด้วย logic คล้าย discipline
+    const subType = this.subTypeRepo.create(dto);
+    return this.subTypeRepo.save(subType);
+  }
+
+  async deleteSubType(id: number) {
+    const result = await this.subTypeRepo.delete(id);
+    if (result.affected === 0)
+      throw new NotFoundException(`Sub-type ID ${id} not found`);
+    return { deleted: true };
+  }
+
+  // =================================================================
+  // 🔢 Numbering Formats Logic
+  // =================================================================
+
+  async findNumberFormat(projectId: number, typeId: number) {
+    const format = await this.formatRepo.findOne({
+      where: { projectId, correspondenceTypeId: typeId },
+    });
+    if (!format) {
+      // Optional: Return default format structure or null
+      return null;
+    }
+    return format;
+  }
+
+  async saveNumberFormat(dto: SaveNumberFormatDto) {
+    // Check if exists (Upsert)
+    let format = await this.formatRepo.findOne({
+      where: {
+        projectId: dto.projectId,
+        correspondenceTypeId: dto.correspondenceTypeId,
+      },
+    });
+
+    if (format) {
+      format.formatTemplate = dto.formatTemplate;
+      // format.updatedBy = ... (ถ้ามี)
+    } else {
+      format = this.formatRepo.create({
+        projectId: dto.projectId,
+        correspondenceTypeId: dto.correspondenceTypeId,
+        formatTemplate: dto.formatTemplate,
+      });
+    }
+
+    return this.formatRepo.save(format);
+  }
+
+  // ... (Tag Logic เดิม คงไว้ตามปกติ) ...
   async findAllTags(query?: SearchTagDto) {
     const qb = this.tagRepo.createQueryBuilder('tag');
-
     if (query?.search) {
       qb.where('tag.tag_name LIKE :search OR tag.description LIKE :search', {
         search: `%${query.search}%`,
       });
     }
-
     qb.orderBy('tag.tag_name', 'ASC');
-
     if (query?.page && query?.limit) {
       const page = query.page;
       const limit = query.limit;
       qb.skip((page - 1) * limit).take(limit);
-    }
-
-    if (query?.page && query?.limit) {
       const [items, total] = await qb.getManyAndCount();
       return {
         data: items,
-        meta: {
+        meta: { total, page, limit, totalPages: Math.ceil(total / limit) },
-          total,
-          page: query.page,
-          limit: query.limit,
-          totalPages: Math.ceil(total / query.limit),
-        },
       };
     }
-
     return qb.getMany();
   }
 
   async findOneTag(id: number) {
     const tag = await this.tagRepo.findOne({ where: { id } });
-    if (!tag) {
+    if (!tag) throw new NotFoundException(`Tag with ID "${id}" not found`);
-      throw new NotFoundException(`Tag with ID "${id}" not found`);
-    }
     return tag;
   }