添加 出勤记录

+version: v1
+kind: HttpApi
+metadata:
+  service: attendance
+  path: /attendances
+  endpoints: 
+  - method: createAttendance
+    route:
+      post: /  
+  - method: updateAttendance
+    route:
+      put: /{productAttendanceId}
+  - method: getAttendance
+    route:
+      get: /{productAttendanceId}
+  - method: removeAttendance
+    route:
+      delete: /{productAttendanceId}
+  - method: listAttendance
+    route:
+      get: /
+    params:
+      - name: offset
+      - name: limit
+  - method: approveAttendance
+    route:
+      post: /approve      

+version: v1
+kind: Method
+metadata:
+  name: approveAttendance
+  type: command
+  description: 审核工时
+  payload:
+  - ref: productAttendanceId
+    required: true
+  - name: workTimeAfter
+    description: 工时
+    type: 
+      primitive: float64  
+  result:
+  - name: attendance
+    type: 
+      schema: productAttendanceRecord
+    required: true

+version: v1
+kind: Method
+metadata:
+  name: createAttendance
+  type: command
+  description: 创建
+  payload:
+  - ref: productAttendanceId
+    required: true
+  result:
+  - name: attendance
+    type: 
+      schema: productAttendanceRecord
+    required: true

+version: v1
+kind: Method
+metadata:
+  name: getAttendance
+  type: query
+  description: 返回
+  payload:
+  - ref: productAttendanceId
+    required: true
+  result:
+  - name: attendance
+    type: 
+      schema: productAttendanceRecord
+    required: true

+version: v1
+kind: Method
+metadata:
+  name: listAttendance
+  type: query
+  description: 返回列表
+  payload:
+  - ref: offset
+    required: true
+  - ref: limit
+    required: true
+  result:
+  - ref: count
+    required: true 
+  - name: attendances
+    type: 
+      array: productAttendanceRecord
+    required: true

+version: v1
+kind: Method
+metadata:
+  name: removeAttendance
+  type: command
+  description: 移除
+  payload:
+  - ref: productAttendanceId
+    required: true
+  result:
+  - name: attendance
+    type: 
+      schema: productAttendanceRecord
+    required: true

+version: v1
+kind: Method
+metadata:
+  name: updateAttendance
+  type: command
+  description: 更新
+  payload:
+  - ref: productAttendanceId
+    required: true
+  result:
+  - name: attendance
+    type: 
+      schema: productAttendanceRecord
+    required: true

+version: v1
+kind: Service
+metadata:
+  name: attendance
+  description: