金币经验掉落

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

@@ -0,0 +1,421 @@
+// 物品库存操作模块 (items)
+const { getOrCreaterUser } = require('./auth');
+
+const user_db_name = "cocos_users";
+const DATA_TYPE = 'items';
+
+/**
+ * 获取物品库存数据
+ * @param {Object} db 数据库实例
+ * @param {string} openid 用户openid
+ * @returns {Object} 操作结果
+ */
+async function getItems(db, openid) {
+  try {
+    let user = await getOrCreaterUser(db, openid);
+    if (!user) {
+      return {
+        code: -4,
+        msg: "未找到用户"
+      };
+    }
+    
+    return {
+      code: 200,
+      data: user[DATA_TYPE],
+      msg: `${DATA_TYPE}获取成功`
+    };
+  } catch (error) {
+    console.error(`获取${DATA_TYPE}错误:`, error);
+    return {
+      code: -5,
+      msg: `获取${DATA_TYPE}错误: ${error.message}`
+    };
+  }
+}
+
+/**
+ * 获取单个物品数据
+ * @param {Object} db 数据库实例
+ * @param {string} openid 用户openid
+ * @param {number} itemId 物品ID
+ * @returns {Object} 操作结果
+ */
+async function getItem(db, openid, itemId) {
+  try {
+    let user = await getOrCreaterUser(db, openid);
+    if (!user) {
+      return {
+        code: -4,
+        msg: "未找到用户"
+      };
+    }
+    
+    const itemCount = user[DATA_TYPE][itemId];
+    if (itemCount === undefined) {
+      return {
+        code: -6,
+        msg: `${DATA_TYPE.slice(0, -1)} ${itemId} 未找到`
+      };
+    }
+    
+    return {
+      code: 200,
+      data: {
+        item_id: itemId,
+        count: itemCount
+      },
+      msg: `${DATA_TYPE.slice(0, -1)} ${itemId} 获取成功`
+    };
+  } catch (error) {
+    console.error(`获取${DATA_TYPE}物品错误:`, error);
+    return {
+      code: -5,
+      msg: `获取${DATA_TYPE}物品错误: ${error.message}`
+    };
+  }
+}
+
+/**
+ * 添加物品
+ * @param {Object} db 数据库实例
+ * @param {string} openid 用户openid
+ * @param {number} itemId 物品ID
+ * @param {number} count 添加数量
+ * @returns {Object} 操作结果
+ */
+async function addItem(db, openid, itemId, count) {
+  try {
+    const _ = db.command;
+    let user = await getOrCreaterUser(db, openid);
+    if (!user) {
+      return {
+        code: -4,
+        msg: "未找到用户"
+      };
+    }
+    
+    if (typeof count !== 'number' || count < 0) {
+      return {
+        code: -3,
+        msg: "数量必须是非负数"
+      };
+    }
+    
+    const currentCount = user[DATA_TYPE][itemId] || 0;
+    const newCount = currentCount + count;
+    
+    let updateRes = await db.collection(user_db_name).doc(user._id).update({
+      data: {
+        [`${DATA_TYPE}.${itemId}`]: _.set(newCount),
+        last_save_time: _.set(Date.now())
+      }
+    });
+
+    if (updateRes?.stats?.updated >= 1) {
+      return {
+        code: 200,
+        data: {
+          item_id: itemId,
+          old_count: currentCount,
+          new_count: newCount,
+          added: count
+        },
+        msg: `${DATA_TYPE.slice(0, -1)} ${itemId} 添加成功`
+      };
+    } else {
+      return {
+        code: -1,
+        msg: `添加 ${DATA_TYPE.slice(0, -1)} 失败`
+      };
+    }
+  } catch (error) {
+    console.error(`添加${DATA_TYPE}物品错误:`, error);
+    return {
+      code: -5,
+      msg: `添加${DATA_TYPE}物品错误: ${error.message}`
+    };
+  }
+}
+
+/**
+ * 消耗物品
+ * @param {Object} db 数据库实例
+ * @param {string} openid 用户openid
+ * @param {number} itemId 物品ID
+ * @param {number} count 消耗数量
+ * @returns {Object} 操作结果
+ */
+async function consumeItem(db, openid, itemId, count) {
+  try {
+    let user = await getOrCreaterUser(db, openid);
+    if (!user) {
+      return {
+        code: -4,
+        msg: "未找到用户"
+      };
+    }
+    
+    if (typeof count !== 'number' || count < 0) {
+      return {
+        code: -3,
+        msg: "数量必须是非负数"
+      };
+    }
+    
+    const currentCount = user[DATA_TYPE][itemId] || 0;
+    if (currentCount < count) {
+      return {
+        code: -6,
+        msg: `${DATA_TYPE.slice(0, -1)} ${itemId}不足, 当前: ${currentCount}, 需要: ${count}`
+      };
+    }
+    
+    return await addItem(db, openid, itemId, -count);
+  } catch (error) {
+    console.error(`消耗${DATA_TYPE}物品错误:`, error);
+    return {
+      code: -5,
+      msg: `消耗${DATA_TYPE}物品错误: ${error.message}`
+    };
+  }
+}
+
+/**
+ * 设置物品数量
+ * @param {Object} db 数据库实例
+ * @param {string} openid 用户openid
+ * @param {number} itemId 物品ID
+ * @param {number} count 新的数量
+ * @returns {Object} 操作结果
+ */
+async function setItem(db, openid, itemId, count) {
+  try {
+    const _ = db.command;
+    let user = await getOrCreaterUser(db, openid);
+    if (!user) {
+      return {
+        code: -4,
+        msg: "未找到用户"
+      };
+    }
+    
+    if (typeof count !== 'number' || count < 0) {
+      return {
+        code: -3,
+        msg: "数量必须是非负数"
+      };
+    }
+    
+    const oldCount = user[DATA_TYPE][itemId] || 0;
+    
+    let updateRes = await db.collection(user_db_name).doc(user._id).update({
+      data: {
+        [`${DATA_TYPE}.${itemId}`]: _.set(count),
+        last_save_time: _.set(Date.now())
+      }
+    });
+
+    if (updateRes?.stats?.updated >= 1) {
+      return {
+        code: 200,
+        data: {
+          item_id: itemId,
+          old_count: oldCount,
+          new_count: count
+        },
+        msg: `${DATA_TYPE.slice(0, -1)} ${itemId} 设置成功`
+      };
+    } else {
+      return {
+        code: -1,
+        msg: `设置 ${DATA_TYPE.slice(0, -1)} 失败`
+      };
+    }
+  } catch (error) {
+    console.error(`设置${DATA_TYPE}物品错误:`, error);
+    return {
+      code: -5,
+      msg: `设置${DATA_TYPE}物品错误: ${error.message}`
+    };
+  }
+}
+
+/**
+ * 批量更新物品库存
+ * @param {Object} db 数据库实例
+ * @param {string} openid 用户openid
+ * @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 updateItems(db, openid, updateData, merge = true) {
+  try {
+    const _ = db.command;
+    let user = await getOrCreaterUser(db, openid);
+    if (!user) {
+      return {
+        code: -4,
+        msg: "未找到用户"
+      };
+    }
+    
+    // 验证更新数据
+    if (!updateData || typeof updateData !== 'object') {
+      return {
+        code: -3,
+        msg: "无效的更新数据格式"
+      };
+    }
+    
+    // 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: `物品 ${itemId} 的数量无效: ${count}`
+        };
+      }
+    }
+    
+    let newData;
+    if (merge) {
+      // 合并更新
+      newData = { ...user[DATA_TYPE], ...updateData };
+    } else {
+      // 完全替换
+      newData = updateData;
+    }
+    
+    let updateRes = await db.collection(user_db_name).doc(user._id).update({
+      data: {
+        [DATA_TYPE]: _.set(newData),
+        last_save_time: _.set(Date.now())
+      }
+    });
+
+    if (updateRes?.stats?.updated >= 1) {
+      return {
+        code: 200,
+        data: newData,
+        msg: `${DATA_TYPE} 更新成功`
+      };
+    } else {
+      return {
+        code: -1,
+        msg: `更新 ${DATA_TYPE} 失败`
+      };
+    }
+  } catch (error) {
+    console.error(`更新${DATA_TYPE}错误:`, error);
+    return {
+      code: -5,
+      msg: `更新${DATA_TYPE}错误: ${error.message}`
+    };
+  }
+}
+
+/**
+ * 重置物品库存数据
+ * @param {Object} db 数据库实例
+ * @param {string} openid 用户openid
+ * @returns {Object} 操作结果
+ */
+async function resetItems(db, openid) {
+  try {
+    const _ = db.command;
+    const { getNewUserInitData } = require('../user_init_data');
+    let user = await getOrCreaterUser(db, openid);
+    if (!user) {
+      return {
+        code: -4,
+        msg: "未找到用户"
+      };
+    }
+    
+    const defaultData = getNewUserInitData();
+    
+    let resetRes = await db.collection(user_db_name).doc(user._id).update({
+      data: {
+        [DATA_TYPE]: _.set(defaultData[DATA_TYPE]),
+        last_save_time: _.set(Date.now()),
+        reset_time: _.set(Date.now())
+      }
+    });
+
+    if (resetRes?.stats?.updated >= 1) {
+      return {
+        code: 200,
+        data: defaultData[DATA_TYPE],
+        msg: `${DATA_TYPE} 重置成功`
+      };
+    } else {
+      return {
+        code: -1,
+        msg: `重置 ${DATA_TYPE} 失败`
+      };
+    }
+  } catch (error) {
+    console.error(`重置${DATA_TYPE}错误:`, error);
+    return {
+      code: -5,
+      msg: `重置${DATA_TYPE}错误: ${error.message}`
+    };
+  }
+}
+
+/**
+ * 获取拥有的物品列表（数量大于0的）
+ * @param {Object} db 数据库实例
+ * @param {string} openid 用户openid
+ * @returns {Object} 操作结果
+ */
+async function getOwnedItems(db, openid) {
+  try {
+    let user = await getOrCreaterUser(db, openid);
+    if (!user) {
+      return {
+        code: -4,
+        msg: "未找到用户"
+      };
+    }
+    
+    const ownedItems = [];
+    for (const itemId in user[DATA_TYPE]) {
+      const count = user[DATA_TYPE][itemId];
+      if (count > 0) {
+        ownedItems.push({
+          item_id: parseInt(itemId),
+          count: count
+        });
+      }
+    }
+    
+    return {
+      code: 200,
+      data: {
+        owned_items: ownedItems,
+        total_types: ownedItems.length
+      },
+      msg: `拥有的${DATA_TYPE}获取成功`
+    };
+  } catch (error) {
+    console.error(`获取拥有的${DATA_TYPE}错误:`, error);
+    return {
+      code: -5,
+      msg: `获取拥有的${DATA_TYPE}错误: ${error.message}`
+    };
+  }
+}
+
+module.exports = {
+  getItems,
+  getItem,
+  addItem,
+  consumeItem,
+  setItem,
+  updateItems,
+  resetItems,
+  getOwnedItems
+};