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src/utils/dataProvider.js

@@ -0,0 +1,177 @@
+import axios from 'axios';
+
+const formatResponse = (data, message = null) => ({
+  success: true,
+  data,
+  message
+});
+
+const formatError = (message, code = 'UNKNOWN_ERROR') => ({
+  success: false,
+  error: { code, message }
+});
+
+const providers = {
+  localStorage: {
+    async loadData(key, date) {
+      try {
+        // 检查是否设置了班号
+        const classNumber = key.split('/').pop();
+        if (!classNumber) {
+          return formatError('请先设置班号', 'CONFIG_ERROR');
+        }
+
+        // 使用班号作为本地存储的前缀
+        const storageKey = `homework_${classNumber}_${date}`;
+        const rawData = localStorage.getItem(storageKey);
+
+        if (!rawData) {
+          // 如果是今天的数据且没有找到，返回空结构而不是null
+          const today = new Date().toISOString().split('T')[0];
+          if (date === today) {
+            return formatResponse({
+              homework: {},
+              attendance: { absent: [], late: [] }
+            });
+          }
+          return formatError('数据不存在', 'NOT_FOUND');
+        }
+
+        return formatResponse(JSON.parse(rawData));
+      } catch (error) {
+
+        return formatError('读取本地数据失败');
+      }
+    },
+
+    async saveData(key, data, date) {
+      try {
+        // 检查是否设置了班号
+        const classNumber = key.split('/').pop();
+        if (!classNumber) {
+          return formatError('请先设置班号', 'CONFIG_ERROR');
+        }
+
+        // 使用班号作为本地存储的前缀
+        const storageKey = `homework_${classNumber}_${date}`;
+        localStorage.setItem(storageKey, JSON.stringify(data));
+        return formatResponse(null, '保存成功');
+      } catch (error) {
+        return formatError('保存本地数据失败');
+      }
+    },
+
+    async loadConfig(key) {
+      try {
+        const classNumber = key.split('/').pop();
+        if (!classNumber) {
+          return formatError('请先设置班号', 'CONFIG_ERROR');
+        }
+
+        const storageKey = `config_${classNumber}`;
+        const rawData = localStorage.getItem(storageKey);
+
+        if (!rawData) {
+          return formatResponse({
+            studentList: [],
+            displayOptions: {}
+          });
+        }
+
+        return formatResponse(JSON.parse(rawData));
+      } catch (error) {
+        return formatError('读取本地配置失败');
+      }
+    },
+
+    async saveConfig(key, config) {
+      try {
+        const classNumber = key.split('/').pop();
+        if (!classNumber) {
+          return formatError('请先设置班号', 'CONFIG_ERROR');
+        }
+
+        const storageKey = `config_${classNumber}`;
+        localStorage.setItem(storageKey, JSON.stringify(config));
+        return formatResponse(null, '保存成功');
+      } catch (error) {
+        return formatError('保存本地配置失败');
+      }
+    }
+  },
+
+  server: {
+    async loadData(key, date) {
+      try {
+        const res = await axios.get(`${key}/homework?date=${date}`);
+        if (res.data?.status === false) {
+          return formatError(res.data.msg || '获取数据失败', 'SERVER_ERROR');
+        }
+        return formatResponse(res.data);
+      } catch (error) {
+        return formatError(
+          error.response?.data?.message || '服务器连接失败',
+          'NETWORK_ERROR'
+        );
+      }
+    },
+
+    async saveData(key, data) {
+      try {
+        await axios.post(`${key}/homework`, data);
+        return formatResponse(null, '保存成功');
+      } catch (error) {
+        return formatError(
+          error.response?.data?.message || '保存失败',
+          'SAVE_ERROR'
+        );
+      }
+    },
+
+    async loadConfig(key) {
+      try {
+        const res = await axios.get(`${key}/config`);
+        if (res.data?.status === false) {
+          return formatError(res.data.msg || '获取配置失败', 'SERVER_ERROR');
+        }
+        return formatResponse(res.data);
+      } catch (error) {
+        return formatError(
+          error.response?.data?.message || '服务器连接失败',
+          'NETWORK_ERROR'
+        );
+      }
+    },
+
+    async saveConfig(key, config) {
+      try {
+        const res = await axios.post(`${key}/config`, config);
+        if (res.data?.status === false) {
+          return formatError(res.data.msg || '保存失败', 'SAVE_ERROR');
+        }
+        return formatResponse(null, '保存成功');
+      } catch (error) {
+        return formatError(
+          error.response?.data?.message || '保存失败',
+          'SAVE_ERROR'
+        );
+      }
+    }
+  }
+};
+
+export default {
+  loadData: (provider, key, date) => providers[provider]?.loadData(key, date),
+  saveData: (provider, key, data, date) => providers[provider]?.saveData(key, data, date),
+  loadConfig: (provider, key) => providers[provider]?.loadConfig(key),
+  saveConfig: (provider, key, config) => providers[provider]?.saveConfig(key, config)
+};
+
+export const ErrorCodes = {
+  NOT_FOUND: '数据不存在',
+  NETWORK_ERROR: '网络连接失败',
+  SERVER_ERROR: '服务器错误',
+  SAVE_ERROR: '保存失败',
+  CONFIG_ERROR: '配置错误',
+  UNKNOWN_ERROR: '未知错误'
+};