头像本地缓存

store/modules/im.js

@@ -1,11 +1,9 @@
-import {
-    getUserInfo
-} from "@/apis/interfaces/im.js"
+import im from "@/utils/im/index.js"
 
 export default {
     state: {
         newMsg: {},
-        friends: [],
+        friends: {},
         sender: {}
     },
     getters: {
@@ -16,12 +14,22 @@ export default {
             return state.friends
         },
         userInfo: (state) => (targetId) => {
-            if (state.friends.filter((item) => item.userId == targetId)[0]) {
-                return state.friends.filter((item) => String(item.userId) == targetId)[0]
+            if (state.friends[targetId]) {
+                return state.friends[targetId]
             } else {
-                return getUserInfo(targetId)
+                console.log('没找到', targetId);
+                im.syncUserInfo(targetId)
+                return {
+                    name: '',
+                    address: '',
+                    hash: '',
+                    portraitUrl: ''
+                }
             }
         },
+        hasUser: (state) => (targetId) => {
+            return Boolean(state.friends[targetId])
+        },
         sender(state) {
             return state.sender
         }
@@ -30,8 +38,8 @@ export default {
         newMessage(state, msg) {
             Vue.set(state, 'newMsg', msg)
         },
-        updateFriends(state, list) {
-            state.friends = list
+        updateFriends(state, userInfo) {
+            Vue.set(state.friends, userInfo.userId, userInfo)
         },
         SET_state_sender(state, userInfo) {
             state.sender = userInfo
@@ -43,15 +51,77 @@ export default {
         }, msg) {
             commit('newMessage', msg)
         },
-        updateFriends({
-            commit
-        }, list) {
-            commit('updateFriends', list)
-        },
         setSenderInfo({
             commit
         }, userInfo) {
             commit('SET_state_sender', userInfo)
+        },
+        updateFriends({
+            commit
+        }, userInfo) {
+            commit('updateFriends', userInfo)
+            const model = uni.model.friendModel
+            model.find('userId=' + userInfo.userId, (err, user) => {
+                if (!err && user.length == 0) {
+                    console.log('哪里更新的 ', 1);
+                    saveAvatar(userInfo, (savedFilePath) => {
+                        model.insert({
+                            userId: userInfo.userId,
+                            name: userInfo.name,
+                            hash: userInfo.hash,
+                            address: userInfo.address,
+                            portraitUrl: savedFilePath,
+                        }, (err, result) => {})
+                        userInfo.portraitUrl = savedFilePath
+                        commit('updateFriends', userInfo)
+                    })
+                } else if (!err && user[0].hash != userInfo.hash) {
+                    console.log('哪里更新的 ', 2);
+                    saveAvatar(userInfo, (savedFilePath) => {
+                        model.update('userId=' + userInfo.userId, {
+                            name: userInfo.name,
+                            hash: userInfo.hash,
+                            portraitUrl: savedFilePath,
+                        }, (err, result) => {})
+                        userInfo.portraitUrl = savedFilePath
+                        commit('updateFriends', userInfo)
+                    })
+                } else if (!err && user[0].portraitUrl.length > 50) {
+                    saveAvatar(userInfo, (savedFilePath) => {
+                        model.update('userId=' + userInfo.userId, {
+                            name: userInfo.name,
+                            hash: userInfo.hash,
+                            portraitUrl: savedFilePath,
+                        }, (err, result) => {})
+
+                        userInfo.portraitUrl = savedFilePath
+                        commit('updateFriends', userInfo)
+                    })
+                } else {
+                    console.log('不需要有动作', user[0]);
+                }
+            })
         }
     }
+}
+
+const saveAvatar = (userInfo, callback) => {
+    uni.downloadFile({
+        url: userInfo.portraitUrl,
+        success: ({
+            tempFilePath
+        }) => {
+            uni.saveFile({
+                tempFilePath: tempFilePath,
+                success: ({
+                    savedFilePath
+                }) => {
+                    callback(savedFilePath)
+                }
+            })
+        },
+        fail: (err) => {
+            console.log('头像保存失败', err);
+        }
+    })
 }