fix: fix some api issue in fronted

src/backend/items/serializers.py

@@ -32,38 +32,25 @@ class ItemSerializer(serializers.ModelSerializer):
             item=obj, is_returned=False
         ).first()
         if current_usage:
-            return UserSerializer(current_usage.user).data
+            return {
+                'username': current_usage.user,
+                'contact': current_usage.borrower_contact
+            }
         return None
 
 
 class ItemUsageSerializer(serializers.ModelSerializer):
-    user = UserSerializer(read_only=True)
-    user_id = serializers.IntegerField(write_only=True)
-    item = ItemSerializer(read_only=True)
-    item_id = serializers.IntegerField(write_only=True)
+    item_name = serializers.CharField(source='item.name', read_only=True)
+    item_serial = serializers.CharField(source='item.serial_number', read_only=True)
 
     class Meta:
         model = ItemUsage
         fields = [
-            'id', 'item', 'item_id', 'user', 'user_id', 'start_time', 'end_time',
-            'purpose', 'notes', 'is_returned', 'condition_before', 'condition_after',
-            'created_at'
+            'id', 'item', 'item_name', 'item_serial', 'user', 'borrower_contact',
+            'start_time', 'end_time', 'purpose', 'notes', 'is_returned',
+            'condition_before', 'condition_after', 'expected_return_time', 'created_at'
         ]
-
-    def create(self, validated_data):
-        # 当创建新的使用记录时，更新物品状态为使用中
-        item = Item.objects.get(id=validated_data['item_id'])
-        item.status = 'in_use'
-        item.save()
-        return super().create(validated_data)
-
-    def update(self, instance, validated_data):
-        # 当归还物品时，更新物品状态为可用
-        if validated_data.get('is_returned', False) and not instance.is_returned:
-            item = instance.item
-            item.status = 'available'
-            item.save()
-        return super().update(instance, validated_data)
+        read_only_fields = ['created_at']
 
 
 class ItemDetailSerializer(ItemSerializer):

src/backend/items/views.py

@@ -32,29 +32,23 @@ class ItemViewSet(viewsets.ModelViewSet):
                 status=status.HTTP_400_BAD_REQUEST
             )
 
-        user_id = request.data.get('user_id')
+        user_name = request.data.get('user_name')
+        user_contact = request.data.get('user_contact', '')
         purpose = request.data.get('purpose', '')
         notes = request.data.get('notes', '')
         condition_before = request.data.get('condition_before', '')
 
-        if not user_id:
+        if not user_name:
             return Response(
-                {'error': '请指定使用者'},
-                status=status.HTTP_400_BAD_REQUEST
-            )
-
-        try:
-            user = User.objects.get(id=user_id)
-        except User.DoesNotExist:
-            return Response(
-                {'error': '用户不存在'},
+                {'error': '请输入使用者姓名'},
                 status=status.HTTP_400_BAD_REQUEST
             )
 
         # 创建使用记录
         usage = ItemUsage.objects.create(
             item=item,
-            user=user,
+            user=user_name,
+            borrower_contact=user_contact,
             start_time=timezone.now(),
             purpose=purpose,
             notes=notes,
@@ -125,13 +119,13 @@ class ItemUsageViewSet(viewsets.ModelViewSet):
 
     @action(detail=False)
     def by_user(self, request):
-        """根据用户ID获取使用记录"""
-        user_id = request.query_params.get('user_id')
-        if user_id:
-            usages = self.queryset.filter(user_id=user_id)
+        """根据用户姓名获取使用记录"""
+        user_name = request.query_params.get('user_name')
+        if user_name:
+            usages = self.queryset.filter(user__icontains=user_name)
             serializer = self.get_serializer(usages, many=True)
             return Response(serializer.data)
-        return Response({'error': '请提供用户ID'}, status=status.HTTP_400_BAD_REQUEST)
+        return Response({'error': '请提供用户姓名'}, status=status.HTTP_400_BAD_REQUEST)
 
 
 class CategoryViewSet(viewsets.ModelViewSet):

src/fronted/src/views/Dashboard.vue

@@ -115,14 +115,18 @@
             <span>当前使用中的物品</span>
           </template>
           <el-table :data="currentUsages" style="width: 100%" max-height="300">
-            <el-table-column prop="item.name" label="物品名称" />
-            <el-table-column prop="user.username" label="使用者" />
+            <el-table-column prop="item_name" label="物品名称" />
+            <el-table-column prop="user" label="使用者" />
             <el-table-column prop="start_time" label="开始时间">
               <template #default="scope">
                 {{ formatDate(scope.row.start_time) }}
               </template>
             </el-table-column>
-            <el-table-column prop="purpose" label="使用目的" />
+            <el-table-column prop="purpose" label="使用目的">
+              <template #default="scope">
+                {{ scope.row.purpose || '无' }}
+              </template>
+            </el-table-column>
           </el-table>
         </el-card>
       </el-col>

src/fronted/src/views/ItemDetail.vue

@@ -80,9 +80,8 @@
             <span>当前使用者</span>
           </template>
           <el-descriptions :column="3" border>
-            <el-descriptions-item label="使用者">{{ item.current_user.username }}</el-descriptions-item>
-            <el-descriptions-item label="姓名">{{ item.current_user.first_name }} {{ item.current_user.last_name }}</el-descriptions-item>
-            <el-descriptions-item label="邮箱">{{ item.current_user.email }}</el-descriptions-item>
+            <el-descriptions-item label="使用者姓名">{{ item.current_user.username }}</el-descriptions-item>
+            <el-descriptions-item label="联系方式">{{ item.current_user.contact }}</el-descriptions-item>
           </el-descriptions>
         </el-card>
 
@@ -125,14 +124,15 @@
     <el-dialog v-model="showUsageDialog" title="使用记录详情" width="600px">
       <div v-if="selectedUsage">
         <el-descriptions :column="2" border>
-          <el-descriptions-item label="使用者">{{ selectedUsage.user.username }}</el-descriptions-item>
-          <el-descriptions-item label="使用目的">{{ selectedUsage.purpose }}</el-descriptions-item>
+          <el-descriptions-item label="使用者">{{ selectedUsage.user }}</el-descriptions-item>
+          <el-descriptions-item label="联系方式">{{ selectedUsage.borrower_contact }}</el-descriptions-item>
           <el-descriptions-item label="开始时间">{{ formatDate(selectedUsage.start_time) }}</el-descriptions-item>
           <el-descriptions-item label="结束时间">
             {{ selectedUsage.end_time ? formatDate(selectedUsage.end_time) : '使用中' }}
           </el-descriptions-item>
           <el-descriptions-item label="使用前状况">{{ selectedUsage.condition_before || '无' }}</el-descriptions-item>
           <el-descriptions-item label="使用后状况">{{ selectedUsage.condition_after || '无' }}</el-descriptions-item>
+          <el-descriptions-item label="使用目的">{{ selectedUsage.notes || '无' }}</el-descriptions-item>
           <el-descriptions-item label="备注" :span="2">{{ selectedUsage.notes || '无' }}</el-descriptions-item>
         </el-descriptions>
       </div>

src/fronted/src/views/ItemList.vue

@@ -124,14 +124,10 @@
     <el-dialog v-model="showBorrowDialog" title="借用物品" width="500px">
       <el-form :model="borrowForm" label-width="100px">
         <el-form-item label="使用者">
-          <el-select v-model="borrowForm.user_id" placeholder="请选择使用者">
-            <el-option
-              v-for="user in users"
-              :key="user.id"
-              :label="user.username"
-              :value="user.id"
-            />
-          </el-select>
+          <el-input v-model="borrowForm.user_name" placeholder="请输入使用者姓名" />
+        </el-form-item>
+        <el-form-item label="联系方式">
+          <el-input v-model="borrowForm.user_contact" placeholder="请输入联系方式（可选）" />
         </el-form-item>
         <el-form-item label="使用目的">
           <el-input v-model="borrowForm.purpose" />
@@ -245,7 +241,8 @@ export default {
         owner: ''
       },
       borrowForm: {
-        user_id: null,
+        user_name: '',
+        user_contact: '',
         purpose: '',
         condition_before: '',
         notes: ''
@@ -333,7 +330,8 @@ export default {
     borrowItem(item) {
       this.currentItem = item
       this.borrowForm = {
-        user_id: null,
+        user_name: '',
+        user_contact: '',
         purpose: '',
         condition_before: '',
         notes: ''
@@ -382,8 +380,8 @@ export default {
       }
     },
     async confirmBorrow() {
-      if (!this.borrowForm.user_id) {
-        ElMessage.error('请选择使用者')
+      if (!this.borrowForm.user_name) {
+        ElMessage.error('请输入使用者姓名')
         return
       }
 

src/fronted/src/views/ItemUsage.vue

@@ -30,9 +30,9 @@
 
     <el-card>
       <el-table :data="filteredUsages" style="width: 100%" v-loading="loading">
-        <el-table-column prop="item.name" label="物品名称" />
-        <el-table-column prop="item.serial_number" label="序列号" />
-        <el-table-column prop="user.username" label="使用者" />
+        <el-table-column prop="item_name" label="物品名称" />
+        <el-table-column prop="item_serial" label="序列号" />
+        <el-table-column prop="user" label="使用者" />
         <el-table-column prop="start_time" label="开始时间" width="160">
           <template #default="scope">
             {{ formatDate(scope.row.start_time) }}
@@ -85,19 +85,15 @@
           <el-col :span="12">
             <h3>物品信息</h3>
             <el-descriptions :column="1" border>
-              <el-descriptions-item label="物品名称">{{ selectedUsage.item.name }}</el-descriptions-item>
-              <el-descriptions-item label="序列号">{{ selectedUsage.item.serial_number }}</el-descriptions-item>
-              <el-descriptions-item label="类别">{{ selectedUsage.item.category }}</el-descriptions-item>
+              <el-descriptions-item label="物品名称">{{ selectedUsage.item_name }}</el-descriptions-item>
+              <el-descriptions-item label="序列号">{{ selectedUsage.item_serial }}</el-descriptions-item>
             </el-descriptions>
           </el-col>
           <el-col :span="12">
             <h3>使用者信息</h3>
             <el-descriptions :column="1" border>
-              <el-descriptions-item label="用户名">{{ selectedUsage.user.username }}</el-descriptions-item>
-              <el-descriptions-item label="姓名">
-                {{ selectedUsage.user.first_name }} {{ selectedUsage.user.last_name }}
-              </el-descriptions-item>
-              <el-descriptions-item label="邮箱">{{ selectedUsage.user.email }}</el-descriptions-item>
+              <el-descriptions-item label="使用者">{{ selectedUsage.user }}</el-descriptions-item>
+              <el-descriptions-item label="联系方式">{{ selectedUsage.borrower_contact }}</el-descriptions-item>
             </el-descriptions>
           </el-col>
         </el-row>