云环境和本地调试 添加

build-templates/wechatgame/cloud_functions/cocos_cloud/modules/inventory.js

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+// 通用库存操作模块 (items, tals, equips)
+const { getOrCreaterUser } = require('./auth');
+
+const user_db_name = "cocos_users";
+
+// 支持的数据类型
+const SUPPORTED_TYPES = ['items', 'tals', 'equips'];
+
+/**
+ * 验证数据类型
+ * @param {string} dataType 数据类型
+ * @returns {boolean} 是否有效
+ */
+function validateDataType(dataType) {
+  return SUPPORTED_TYPES.includes(dataType);
+}
+
+/**
+ * 获取库存数据
+ * @param {Object} db 数据库实例
+ * @param {string} openid 用户openid
+ * @param {string} dataType 数据类型 ('items', 'tals', 'equips')
+ * @returns {Object} 操作结果
+ */
+async function getInventory(db, openid, dataType) {
+  try {
+    if (!validateDataType(dataType)) {
+      return {
+        code: -3,
+        msg: `Invalid data type: ${dataType}`
+      };
+    }
+    
+    let user = await getOrCreaterUser(db, openid);
+    if (!user) {
+      return {
+        code: -4,
+        msg: "User not found"
+      };
+    }
+    
+    return {
+      code: 200,
+      data: user[dataType],
+      msg: `${dataType} retrieved successfully`
+    };
+  } catch (error) {
+    console.error(`Get ${dataType} error:`, error);
+    return {
+      code: -5,
+      msg: `Get ${dataType} error: ${error.message}`
+    };
+  }
+}
+
+/**
+ * 获取单个物品数据
+ * @param {Object} db 数据库实例
+ * @param {string} openid 用户openid
+ * @param {string} dataType 数据类型
+ * @param {number} itemId 物品ID
+ * @returns {Object} 操作结果
+ */
+async function getInventoryItem(db, openid, dataType, itemId) {
+  try {
+    if (!validateDataType(dataType)) {
+      return {
+        code: -3,
+        msg: `Invalid data type: ${dataType}`
+      };
+    }
+    
+    let user = await getOrCreaterUser(db, openid);
+    if (!user) {
+      return {
+        code: -4,
+        msg: "User not found"
+      };
+    }
+    
+    const itemCount = user[dataType][itemId];
+    if (itemCount === undefined) {
+      return {
+        code: -6,
+        msg: `${dataType.slice(0, -1)} ${itemId} not found`
+      };
+    }
+    
+    return {
+      code: 200,
+      data: {
+        item_id: itemId,
+        count: itemCount
+      },
+      msg: `${dataType.slice(0, -1)} ${itemId} retrieved successfully`
+    };
+  } catch (error) {
+    console.error(`Get ${dataType} item error:`, error);
+    return {
+      code: -5,
+      msg: `Get ${dataType} item error: ${error.message}`
+    };
+  }
+}
+
+/**
+ * 添加物品
+ * @param {Object} db 数据库实例
+ * @param {string} openid 用户openid
+ * @param {string} dataType 数据类型
+ * @param {number} itemId 物品ID
+ * @param {number} count 添加数量
+ * @returns {Object} 操作结果
+ */
+async function addInventoryItem(db, openid, dataType, itemId, count) {
+  try {
+    if (!validateDataType(dataType)) {
+      return {
+        code: -3,
+        msg: `Invalid data type: ${dataType}`
+      };
+    }
+    
+    const _ = db.command;
+    let user = await getOrCreaterUser(db, openid);
+    if (!user) {
+      return {
+        code: -4,
+        msg: "User not found"
+      };
+    }
+    
+    if (typeof count !== 'number' || count < 0) {
+      return {
+        code: -3,
+        msg: "Count must be a non-negative number"
+      };
+    }
+    
+    const currentCount = user[dataType][itemId] || 0;
+    const newCount = currentCount + count;
+    
+    let updateRes = await db.collection(user_db_name).doc(user._id).update({
+      data: {
+        [`${dataType}.${itemId}`]: _.set(newCount),
+        last_save_time: _.set(Date.now())
+      }
+    });
+
+    if (updateRes?.stats?.updated >= 1) {
+      return {
+        code: 200,
+        data: {
+          item_id: itemId,
+          old_count: currentCount,
+          new_count: newCount,
+          added: count
+        },
+        msg: `${dataType.slice(0, -1)} ${itemId} added successfully`
+      };
+    } else {
+      return {
+        code: -1,
+        msg: `Add ${dataType.slice(0, -1)} fail`
+      };
+    }
+  } catch (error) {
+    console.error(`Add ${dataType} item error:`, error);
+    return {
+      code: -5,
+      msg: `Add ${dataType} item error: ${error.message}`
+    };
+  }
+}
+
+/**
+ * 消耗物品
+ * @param {Object} db 数据库实例
+ * @param {string} openid 用户openid
+ * @param {string} dataType 数据类型
+ * @param {number} itemId 物品ID
+ * @param {number} count 消耗数量
+ * @returns {Object} 操作结果
+ */
+async function consumeInventoryItem(db, openid, dataType, itemId, count) {
+  try {
+    if (!validateDataType(dataType)) {
+      return {
+        code: -3,
+        msg: `Invalid data type: ${dataType}`
+      };
+    }
+    
+    let user = await getOrCreaterUser(db, openid);
+    if (!user) {
+      return {
+        code: -4,
+        msg: "User not found"
+      };
+    }
+    
+    if (typeof count !== 'number' || count < 0) {
+      return {
+        code: -3,
+        msg: "Count must be a non-negative number"
+      };
+    }
+    
+    const currentCount = user[dataType][itemId] || 0;
+    if (currentCount < count) {
+      return {
+        code: -6,
+        msg: `Insufficient ${dataType.slice(0, -1)} ${itemId}, current: ${currentCount}, required: ${count}`
+      };
+    }
+    
+    return await addInventoryItem(db, openid, dataType, itemId, -count);
+  } catch (error) {
+    console.error(`Consume ${dataType} item error:`, error);
+    return {
+      code: -5,
+      msg: `Consume ${dataType} item error: ${error.message}`
+    };
+  }
+}
+
+/**
+ * 设置物品数量
+ * @param {Object} db 数据库实例
+ * @param {string} openid 用户openid
+ * @param {string} dataType 数据类型
+ * @param {number} itemId 物品ID
+ * @param {number} count 新的数量
+ * @returns {Object} 操作结果
+ */
+async function setInventoryItem(db, openid, dataType, itemId, count) {
+  try {
+    if (!validateDataType(dataType)) {
+      return {
+        code: -3,
+        msg: `Invalid data type: ${dataType}`
+      };
+    }
+    
+    const _ = db.command;
+    let user = await getOrCreaterUser(db, openid);
+    if (!user) {
+      return {
+        code: -4,
+        msg: "User not found"
+      };
+    }
+    
+    if (typeof count !== 'number' || count < 0) {
+      return {
+        code: -3,
+        msg: "Count must be a non-negative number"
+      };
+    }
+    
+    const oldCount = user[dataType][itemId] || 0;
+    
+    let updateRes = await db.collection(user_db_name).doc(user._id).update({
+      data: {
+        [`${dataType}.${itemId}`]: _.set(count),
+        last_save_time: _.set(Date.now())
+      }
+    });
+
+    if (updateRes?.stats?.updated >= 1) {
+      return {
+        code: 200,
+        data: {
+          item_id: itemId,
+          old_count: oldCount,
+          new_count: count
+        },
+        msg: `${dataType.slice(0, -1)} ${itemId} set successfully`
+      };
+    } else {
+      return {
+        code: -1,
+        msg: `Set ${dataType.slice(0, -1)} fail`
+      };
+    }
+  } catch (error) {
+    console.error(`Set ${dataType} item error:`, error);
+    return {
+      code: -5,
+      msg: `Set ${dataType} item error: ${error.message}`
+    };
+  }
+}
+
+/**
+ * 批量更新库存
+ * @param {Object} db 数据库实例
+ * @param {string} openid 用户openid
+ * @param {string} dataType 数据类型
+ * @param {Object} updateData 更新数据对象
+ * @param {boolean} merge 是否合并更新（默认true）
+ * @returns {Object} 操作结果
+ */
+async function updateInventory(db, openid, dataType, updateData, merge = true) {
+  try {
+    if (!validateDataType(dataType)) {
+      return {
+        code: -3,
+        msg: `Invalid data type: ${dataType}`
+      };
+    }
+    
+    const _ = db.command;
+    let user = await getOrCreaterUser(db, openid);
+    if (!user) {
+      return {
+        code: -4,
+        msg: "User not found"
+      };
+    }
+    
+    // 验证更新数据
+    if (!updateData || typeof updateData !== 'object') {
+      return {
+        code: -3,
+        msg: "Invalid update data format"
+      };
+    }
+    
+    // 验证所有值都是非负数
+    for (const itemId in updateData) {
+      const count = updateData[itemId];
+      if (typeof count !== 'number' || count < 0) {
+        return {
+          code: -3,
+          msg: `Invalid count for item ${itemId}: ${count}`
+        };
+      }
+    }
+    
+    let newData;
+    if (merge) {
+      // 合并更新
+      newData = { ...user[dataType], ...updateData };
+    } else {
+      // 完全替换
+      newData = updateData;
+    }
+    
+    let updateRes = await db.collection(user_db_name).doc(user._id).update({
+      data: {
+        [dataType]: _.set(newData),
+        last_save_time: _.set(Date.now())
+      }
+    });
+
+    if (updateRes?.stats?.updated >= 1) {
+      return {
+        code: 200,
+        data: newData,
+        msg: `${dataType} updated successfully`
+      };
+    } else {
+      return {
+        code: -1,
+        msg: `Update ${dataType} fail`
+      };
+    }
+  } catch (error) {
+    console.error(`Update ${dataType} error:`, error);
+    return {
+      code: -5,
+      msg: `Update ${dataType} error: ${error.message}`
+    };
+  }
+}
+
+/**
+ * 重置库存数据
+ * @param {Object} db 数据库实例
+ * @param {string} openid 用户openid
+ * @param {string} dataType 数据类型
+ * @returns {Object} 操作结果
+ */
+async function resetInventory(db, openid, dataType) {
+  try {
+    if (!validateDataType(dataType)) {
+      return {
+        code: -3,
+        msg: `Invalid data type: ${dataType}`
+      };
+    }
+    
+    const _ = db.command;
+    const { getNewUserInitData } = require('../user_init_data');
+    let user = await getOrCreaterUser(db, openid);
+    if (!user) {
+      return {
+        code: -4,
+        msg: "User not found"
+      };
+    }
+    
+    const defaultData = getNewUserInitData();
+    
+    let resetRes = await db.collection(user_db_name).doc(user._id).update({
+      data: {
+        [dataType]: _.set(defaultData[dataType]),
+        last_save_time: _.set(Date.now()),
+        reset_time: _.set(Date.now())
+      }
+    });
+
+    if (resetRes?.stats?.updated >= 1) {
+      return {
+        code: 200,
+        data: defaultData[dataType],
+        msg: `${dataType} reset successfully`
+      };
+    } else {
+      return {
+        code: -1,
+        msg: `Reset ${dataType} fail`
+      };
+    }
+  } catch (error) {
+    console.error(`Reset ${dataType} error:`, error);
+    return {
+      code: -5,
+      msg: `Reset ${dataType} error: ${error.message}`
+    };
+  }
+}
+
+/**
+ * 获取拥有的物品列表（数量大于0的）
+ * @param {Object} db 数据库实例
+ * @param {string} openid 用户openid
+ * @param {string} dataType 数据类型
+ * @returns {Object} 操作结果
+ */
+async function getOwnedItems(db, openid, dataType) {
+  try {
+    if (!validateDataType(dataType)) {
+      return {
+        code: -3,
+        msg: `Invalid data type: ${dataType}`
+      };
+    }
+    
+    let user = await getOrCreaterUser(db, openid);
+    if (!user) {
+      return {
+        code: -4,
+        msg: "User not found"
+      };
+    }
+    
+    const ownedItems = [];
+    for (const itemId in user[dataType]) {
+      const count = user[dataType][itemId];
+      if (count > 0) {
+        ownedItems.push({
+          item_id: parseInt(itemId),
+          count: count
+        });
+      }
+    }
+    
+    return {
+      code: 200,
+      data: {
+        owned_items: ownedItems,
+        total_types: ownedItems.length
+      },
+      msg: `Owned ${dataType} retrieved successfully`
+    };
+  } catch (error) {
+    console.error(`Get owned ${dataType} error:`, error);
+    return {
+      code: -5,
+      msg: `Get owned ${dataType} error: ${error.message}`
+    };
+  }
+}
+
+module.exports = {
+  getInventory,
+  getInventoryItem,
+  addInventoryItem,
+  consumeInventoryItem,
+  setInventoryItem,
+  updateInventory,
+  resetInventory,
+  getOwnedItems,
+  SUPPORTED_TYPES
+};
+