支持编辑配方

src/components/feed/RecipeDetailDialog.vue

@@ -1,7 +1,7 @@
 <template>
   <el-dialog
     :model-value="visible"
-    :title="`配方详情: ${recipe ? recipe.name : ''}`"
+    :title="`配方详情: ${recipe ? recipe.name : ''}` + (isEditing ? ' (编辑中)' : '')"
     @close="handleClose"
     width="70%"
     top="5vh"
@@ -20,6 +20,7 @@
     </div>
     <el-tabs v-else v-model="activeTab">
       <el-tab-pane label="原料列表" name="ingredients">
+        <div v-if="!isEditing">
           <el-table :data="ingredientDetails" style="width: 100%">
             <el-table-column prop="name" label="原料名称" />
             <el-table-column prop="percentage" label="占比">
@@ -28,6 +29,28 @@
               </template>
             </el-table-column>
           </el-table>
+        </div>
+        <div v-else>
+          <el-table :data="localIngredientDetails" style="width: 100%">
+            <el-table-column prop="name" label="原料名称" />
+            <el-table-column label="占比">
+              <template #default="scope">
+                <el-input-number v-model="scope.row.percentage" :min="0" :max="1" :step="0.01" :precision="2" @change="updateNutrientSummary"></el-input-number>
+              </template>
+            </el-table-column>
+            <el-table-column label="操作">
+              <template #default="scope">
+                <el-button type="danger" :icon="Delete" circle @click="removeIngredient(scope.$index)"></el-button>
+              </template>
+            </el-table-column>
+          </el-table>
+          <div class="add-ingredient-section">
+            <el-select v-model="newIngredientId" placeholder="选择要添加的原料" filterable style="flex-grow: 1;">
+              <el-option v-for="item in availableRawMaterials" :key="item.id" :label="item.name" :value="item.id"></el-option>
+            </el-select>
+            <el-button type="primary" @click="addIngredient" style="margin-left: 10px;">添加原料</el-button>
+          </div>
+        </div>
       </el-tab-pane>
       <el-tab-pane label="营养成分汇总" name="nutrients">
         <el-table :data="nutrientSummary" style="width: 100%" ref="nutrientTableRef">
@@ -42,15 +65,20 @@
     </el-tabs>
      <template #footer>
       <span class="dialog-footer">
-        <el-button @click="handleClose">关闭</el-button>
+        <el-button v-if="!isEditing" @click="handleEdit">编辑配方</el-button>
+        <el-button v-else @click="handleCancelEdit">取消</el-button>
+        <el-button v-if="isEditing" type="primary" @click="handleSaveRecipe">保存</el-button>
+        <el-button v-else @click="handleClose">关闭</el-button>
       </span>
     </template>
   </el-dialog>
 </template>
 
 <script>
-import { ref, watch, nextTick } from 'vue';
+import { ref, watch, nextTick, computed } from 'vue';
-import { getRawMaterialById } from '../../api/feed';
+import { getRawMaterialById, getRawMaterials, updateRecipe } from '../../api/feed';
+import { ElMessage } from 'element-plus';
+import { Delete } from '@element-plus/icons-vue';
 
 export default {
   name: 'RecipeDetailDialog',
@@ -61,14 +89,18 @@ export default {
       default: () => null,
     },
   },
-  emits: ['update:visible'],
+  emits: ['update:visible', 'recipe-updated'], // 添加 recipe-updated 事件
   setup(props, { emit }) {
+    const isEditing = ref(false); // 控制是否处于编辑模式
     const activeTab = ref('ingredients');
     const loading = ref(false);
     const error = ref(null);
-    const ingredientDetails = ref([]);
+    const ingredientDetails = ref([]); // 显示模式下的原料详情
+    const localIngredientDetails = ref([]); // 编辑模式下的原料详情
     const nutrientSummary = ref([]);
     const nutrientTableRef = ref(null);
+    const allRawMaterials = ref([]); // 所有可用原料列表
+    const newIngredientId = ref(null); // 待添加的新原料ID
 
     const handleClose = () => {
       emit('update:visible', false);
@@ -91,6 +123,12 @@ export default {
       return Array.from(summary, ([name, value]) => ({ name, value }));
     };
 
+    // 计算属性，用于过滤掉已经存在的原料
+    const availableRawMaterials = computed(() => {
+      const existingIngredientIds = new Set(localIngredientDetails.value.map(ing => ing.id));
+      return allRawMaterials.value.filter(material => !existingIngredientIds.has(material.id));
+    });
+
     watch(() => props.visible, async (newVal) => {
       if (newVal && props.recipe) {
         loading.value = true;
@@ -104,7 +142,9 @@ export default {
             percentage: props.recipe.recipe_ingredients[index].percentage,
           }));
 
-          ingredientDetails.value = details;
+          ingredientDetails.value = details; // 用于显示模式
+          localIngredientDetails.value = JSON.parse(JSON.stringify(details)); // 用于编辑模式，深拷贝
+
           nutrientSummary.value = calculateNutrientSummary(details);
 
         } catch (err) {
@@ -116,8 +156,10 @@ export default {
       } else {
         // 重置数据
         ingredientDetails.value = [];
+        localIngredientDetails.value = [];
         nutrientSummary.value = [];
         activeTab.value = 'ingredients';
+        isEditing.value = false; // 关闭对话框时重置编辑状态
       }
     });
 
@@ -131,14 +173,105 @@ export default {
       }
     });
 
+    // 实时更新营养成分汇总
+    const updateNutrientSummary = () => {
+      nutrientSummary.value = calculateNutrientSummary(localIngredientDetails.value);
+    };
+
+    // 进入编辑模式
+    const handleEdit = async () => {
+      isEditing.value = true;
+      // 获取所有原料列表
+      try {
+        const response = await getRawMaterials({ page_size: 999 });
+        if (response.data && response.data.list) {
+          allRawMaterials.value = response.data.list;
+        }
+      } catch (err) {
+        ElMessage.error('获取所有原料失败: ' + (err.message || '未知错误'));
+      }
+    };
+
+    // 取消编辑
+    const handleCancelEdit = () => {
+      isEditing.value = false;
+      // 恢复到原始数据
+      localIngredientDetails.value = JSON.parse(JSON.stringify(ingredientDetails.value));
+      updateNutrientSummary(); // 重新计算营养成分
+    };
+
+    // 保存配方
+    const handleSaveRecipe = async () => {
+      // 验证占比总和是否为1
+      const totalPercentage = localIngredientDetails.value.reduce((sum, ing) => sum + ing.percentage, 0);
+
+      if (Math.abs(totalPercentage - 1) > 0.001) { // 允许浮点数误差
+        ElMessage.error(`原料总占比必须为100%，当前为${(totalPercentage * 100).toFixed(2)}%`);
+        return;
+      }
+
+      // 构造保存数据
+      const recipeToSave = {
+        id: props.recipe.id,
+        name: props.recipe.name, // 名称不变
+        description: props.recipe.description, // 描述不变
+        recipe_ingredients: localIngredientDetails.value.map(ing => ({
+          raw_material_id: ing.id,
+          percentage: ing.percentage,
+        })),
+      };
+
+      try {
+        await updateRecipe(recipeToSave.id, recipeToSave);
+        ElMessage.success('配方更新成功');
+        isEditing.value = false;
+        emit('recipe-updated'); // 通知父组件配方已更新
+      } catch (err) {
+        ElMessage.error('保存配方失败: ' + (err.message || '未知错误'));
+      }
+    };
+
+    // 移除原料
+    const removeIngredient = (index) => {
+      localIngredientDetails.value.splice(index, 1);
+      updateNutrientSummary();
+    };
+
+    // 添加原料
+    const addIngredient = () => {
+      if (!newIngredientId.value) {
+        ElMessage.warning('请选择要添加的原料');
+        return;
+      }
+      const materialToAdd = allRawMaterials.value.find(m => m.id === newIngredientId.value);
+      if (materialToAdd && !localIngredientDetails.value.some(ing => ing.id === materialToAdd.id)) {
+        localIngredientDetails.value.push({ ...materialToAdd, percentage: 0 }); // 默认占比0
+        newIngredientId.value = null;
+        updateNutrientSummary();
+      } else if (localIngredientDetails.value.some(ing => ing.id === materialToAdd.id)) {
+        ElMessage.warning('该原料已存在于配方中');
+      }
+    };
+
     return {
       activeTab,
       loading,
       error,
       ingredientDetails,
+      localIngredientDetails,
       nutrientSummary,
       nutrientTableRef,
       handleClose,
+      isEditing,
+      handleEdit,
+      handleCancelEdit,
+      handleSaveRecipe,
+      removeIngredient,
+      addIngredient,
+      availableRawMaterials,
+      newIngredientId,
+      updateNutrientSummary,
+      Delete, // 暴露 Delete 图标组件
     };
   },
 };
@@ -152,4 +285,9 @@ export default {
 .dialog-footer {
   text-align: right;
 }
+.add-ingredient-section {
+  margin-top: 20px;
+  display: flex;
+  align-items: center;
+}
 </style>