# Drawing Module Frontend/Backend Implementation

**วันที่:** 25 ธันวาคม 2568 (2025-12-25)
**Session:** Drawing Dashboard & Admin Panel UX/UI Implementation

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## 🎯 วัตถุประสงค์

1. Update Backend entities และ Frontend types ตาม v1.7.0 schema (Drawing Revision)
2. สร้าง Admin Panel สำหรับจัดการ Drawing Master Data
3. สร้าง Backend APIs สำหรับ CRUD operations

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## ✅ สิ่งที่ทำเสร็จ

### 1. Backend Entity Updates (Drawing Revision Schema)

| File                                 | Changes                                                   |
| ------------------------------------ | --------------------------------------------------------- |
| `shop-drawing-revision.entity.ts`    | เพิ่ม `isCurrent`, `createdBy`, `updatedBy`, User relations |
| `asbuilt-drawing-revision.entity.ts` | เพิ่ม `isCurrent`, `createdBy`, `updatedBy`, User relations |

### 2. Frontend Type Updates

| File                        | Changes                                                                   |
| --------------------------- | ------------------------------------------------------------------------- |
| `frontend/types/drawing.ts` | `DrawingRevision` - เพิ่ม `createdBy`, `updatedBy`, update `isCurrent` type |

### 3. Admin Panel Frontend (6 pages)

| Route                                     | Description        |
| ----------------------------------------- | ------------------ |
| `/admin/drawings`                         | Navigation hub     |
| `/admin/drawings/contract/volumes`        | Volume CRUD        |
| `/admin/drawings/contract/categories`     | Category CRUD      |
| `/admin/drawings/contract/sub-categories` | Sub-category CRUD  |
| `/admin/drawings/shop/main-categories`    | Main Category CRUD |
| `/admin/drawings/shop/sub-categories`     | Sub-category CRUD  |

**Service:** `frontend/lib/services/drawing-master-data.service.ts`

### 4. Backend APIs (Full CRUD)

**Controller:** `backend/src/modules/drawing/drawing-master-data.controller.ts`
**Service:** `backend/src/modules/drawing/drawing-master-data.service.ts`

| Endpoint                                            | Methods                  |
| --------------------------------------------------- | ------------------------ |
| `/api/drawings/master-data/contract/volumes`        | GET, POST, PATCH, DELETE |
| `/api/drawings/master-data/contract/categories`     | GET, POST, PATCH, DELETE |
| `/api/drawings/master-data/contract/sub-categories` | GET, POST, PATCH, DELETE |
| `/api/drawings/master-data/shop/main-categories`    | GET, POST, PATCH, DELETE |
| `/api/drawings/master-data/shop/sub-categories`     | GET, POST, PATCH, DELETE |

### 5. Admin Dashboard Update

เพิ่ม "Drawing Master Data" link ใน Admin Dashboard (`frontend/app/(admin)/admin/page.tsx`)

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## 📁 ไฟล์ที่แก้ไข/สร้างใหม่

### Backend
- `backend/src/modules/drawing/entities/shop-drawing-revision.entity.ts` - Modified
- `backend/src/modules/drawing/entities/asbuilt-drawing-revision.entity.ts` - Modified
- `backend/src/modules/drawing/drawing-master-data.controller.ts` - Rewritten
- `backend/src/modules/drawing/drawing-master-data.service.ts` - Rewritten

### Frontend
- `frontend/types/drawing.ts` - Modified
- `frontend/lib/services/drawing-master-data.service.ts` - **NEW**
- `frontend/app/(admin)/admin/drawings/page.tsx` - **NEW**
- `frontend/app/(admin)/admin/drawings/contract/volumes/page.tsx` - **NEW**
- `frontend/app/(admin)/admin/drawings/contract/categories/page.tsx` - **NEW**
- `frontend/app/(admin)/admin/drawings/contract/sub-categories/page.tsx` - **NEW**
- `frontend/app/(admin)/admin/drawings/shop/main-categories/page.tsx` - **NEW**
- `frontend/app/(admin)/admin/drawings/shop/sub-categories/page.tsx` - **NEW**
- `frontend/app/(admin)/admin/page.tsx` - Modified

### Specs
- `specs/09-history/2025-12-25-drawing-revision-schema-update.md` - Updated (marked complete)

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## 🔧 Build Status

| Component | Status   |
| --------- | -------- |
| Backend   | ✅ Passed |
| Frontend  | ✅ Passed |

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## 📋 TODO (Phase 2+)

- [ ] Dashboard Drawing UX Enhancements (filters)
- [ ] Contract Drawing: Category-SubCategory mapping UI
- [ ] Shop Drawing: MainCategory-SubCategory linking
