191 lines
6.2 KiB
Markdown
191 lines
6.2 KiB
Markdown
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# vr_goods_config JSON 规格说明
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> 版本：v2.0 | 日期：2026-04-20 | 状态：已确认，待实现
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---
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## 一、设计原则
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1. **商品发布时快照**：用户在后端选择场馆房间后，将完整的房间数据**复制一份**存入 `goods.vr_goods_config`。不从 `vr_seat_templates` 实时读取。
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2. **绝对一致性**：修改 `vr_seat_templates` 不影响已发布的商品。SKU（spec_base）和 `vr_goods_config` 一起过时、一起更新。
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3. **向下兼容**：保留 `template_id` 字段（用于标识来源），但不再用它去查 `vr_seat_templates` 表。
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4. **单一真相源**：前端渲染所需的所有数据（座位图、场次、价格）全部来自 `vr_goods_config` 的快照，不跨表查询。
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---
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## 二、vr_goods_config JSON 结构
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```json
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[
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{
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"template_id": 4,
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"selected_rooms": ["room_id_1776341371905"],
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"selected_sections": {
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"room_id_1776341371905": ["A", "B"]
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},
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"rooms": [
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{
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"id": "room_id_1776341371905",
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"name": "1号放映室VV",
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"map": [
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"AAAAB__BBB_BAAAA",
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"AAAAB__BBB_BAAAA",
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"AAAAB__BBB_BAAAA"
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],
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"sections": [
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{ "char": "A", "name": "VIP区", "price": 100, "color": "#f06292" },
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{ "char": "B", "name": "看台区", "price": 50, "color": "#4fc3f7" }
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],
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"seats": {
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"A": { "char": "A", "name": "VIP区", "price": 100, "color": "#f06292" },
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"B": { "char": "B", "name": "看台区", "price": 50, "color": "#4fc3f7" }
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}
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}
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],
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"sessions": [
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{ "start": "15:00", "end": "16:59" },
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{ "start": "18:00", "end": "21:59" }
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]
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}
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]
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```
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### 字段说明
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| 字段 | 类型 | 必填 | 说明 |
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|------|------|------|------|
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| `template_id` | int | ✅ | 来源场馆模板 ID（用于溯源，不用于查询） |
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| `selected_rooms` | string[] | ✅ | 本商品启用的房间 ID 列表 |
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| `selected_sections` | object | ✅ | key=房间ID，value=启用的分区字符列表（如 `["A","B"]`） |
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| `rooms` | object[] | ✅ | 房间完整数据快照（直接复制自 `vr_seat_templates.rooms`） |
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| `sessions` | object[] | ✅ | 本商品的场次列表 |
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### rooms.seats 字段说明
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`seats` 是 `sections` 的快捷索引，key = `char`（座位字符），格式与 `sections` 条目相同：
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```json
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"seats": {
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"A": { "char": "A", "name": "VIP区", "price": 100, "color": "#f06292" },
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"B": { "char": "B", "name": "看台区", "price": 50, "color": "#4fc3f7" }
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}
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```
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### 向下兼容（旧格式迁移）
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旧格式（有 `vr_seat_templates` 表关联逻辑）：
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```json
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{
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"template_id": 4,
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"sessions": [{"start": "...", "end": "..."}]
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}
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```
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识别方式：`rooms` 字段不存在 → 降级读取 `vr_seat_templates` 表。
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---
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## 三、SKU 生成逻辑（AdminGoodsSaveHandle Hook）
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商品保存时，根据 `selected_rooms` 数组，从 `vr_seat_templates.rooms` 取出对应房间，展开每个房间的 `map` 座位，生成 SKU 条目到 `goods_spec_base` + `goods_spec_value`。
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```
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rooms[room_id].map
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└─ 每行字符串（如 "AAAAB__BBB_BAAAA"）
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└─ 每个非 _ / - 的字符 → 一个 SKU
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├─ goods_spec_base.id → 库存主键
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├─ goods_spec_base.spec_name → "排:row, 座:colNum"
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├─ goods_spec_base.price → seats[char].price
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└─ goods_spec_base.spec_type → "vrseat:{room_id}:{char}"
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```
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**spec_base_id_map（存到 vr_goods_config 的 rooms[] 中）格式：**
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```json
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{
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"{room_id}_{row}_{colNum}": goods_spec_base.id
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}
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```
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> 注：具体 SKU 生成字段名/存储位置待 AdminGoodsSaveHandle 实现时确认。
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---
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## 四、前端渲染数据流
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```
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goods.vr_goods_config（快照）
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└─ [0].rooms[] → 前端 JS rooms[]
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└─ [0].sessions[] → 场次卡片
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└─ [0].selected_sections{} → 控制哪些分区渲染
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```
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### 前端数据结构
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```javascript
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// GetGoodsViewData() 注入给模板
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{
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vr_seat_template: {
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rooms: [...], // rooms 快照数组
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sessions: [...], // 场次列表
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selected_sections: {} // 分区过滤
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},
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goods_spec_data: [...], // 场次规格（price 来自 goods_spec_base）
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goods_config: { ... } // 原始 vr_goods_config[0]
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}
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```
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### loadSoldSeats（已选座位）
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从 `vr_tickets` 表查询该商品+当前场次已生成的票：
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```sql
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SELECT seat_info FROM vrt_vr_tickets
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WHERE goods_id = :goods_id AND verify_status != 1
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```
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`seat_info` 格式：`"room_id/rowLabel/colNum"`（例：`room_id_xxx/A/3`）
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---
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## 五、GetGoodsViewData() 重写要点
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**输入**：`goods_id`
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**输出**：
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```php
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[
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'vr_seat_template' => [
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'rooms' => [...], // 来自 vr_goods_config[0].rooms
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'sessions' => [...], // 来自 vr_goods_config[0].sessions
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'selected_sections' => {...}, // 来自 vr_goods_config[0].selected_sections
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],
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'goods_spec_data' => [...], // 场次+价格（用于前端场次卡片）
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'goods_config' => {...} // 原始 vr_goods_config[0]
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]
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```
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**逻辑**：
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1. 读取 `goods.vr_goods_config` JSON
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2. 若 `rooms` 字段存在 → 直接使用（新格式）
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3. 若 `rooms` 不存在 → 降级：按旧逻辑查 `vr_seat_templates` 表（旧格式兼容）
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4. 场次价格从 `goods_spec_base` 表读取
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---
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## 六、需要更新的文件
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| 文件 | 操作 | 说明 |
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| `SeatSkuService.php` | 重写 GetGoodsViewData() | 新 JSON 格式解析 |
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| `ticket_detail.html` | 更新 JS | rooms[] 结构渲染 + loadSoldSeats |
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| `docs/VR_GOODS_CONFIG_SPEC.md` | 新建 | 本文档，记录 JSON 规格 |
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| `docs/PHASE2_PLAN.md` | 更新 | 补充新格式 + 待办 |
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| `docs/DEVELOPMENT_LOG.md` | 追加 | 记录本次 JSON 格式升级 |
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---
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## 七、已确认的设计决策
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1. ✅ 商品发布时快照 `vr_seat_templates.rooms` 到 `goods.vr_goods_config.rooms`
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2. ✅ `vr_goods_config` 包含完整的座位图+sections+seats 数据
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3. ✅ 前端不跨表查询，全部数据来自 `vr_goods_config` 快照
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4. ✅ `spec_base_id_map` 格式：`{room_id}_{row}_{colNum}` → `spec_base_id`
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5. ✅ 座位已售状态：查 `vr_tickets.seat_info`（格式：`room_id/rowLabel/colNum`）
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6. ⚠️ SKU 生成字段名/存储位置：待 AdminGoodsSaveHandle 实现时确认
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