mattermost-mobile/app/store/middleware.js
Elias Nahum 9db040bcf7
Retry fetching teams if no teams are found (#2288)
* Retry fetching teams if no teams are found

* Remove flow
2018-10-27 00:50:19 -03:00

373 lines
12 KiB
JavaScript

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
import DeviceInfo from 'react-native-device-info';
import {ViewTypes} from 'app/constants';
import initialState from 'app/initial_state';
import {
captureException,
LOGGER_JAVASCRIPT_WARNING,
} from 'app/utils/sentry';
export function messageRetention(store) {
return (next) => (action) => {
if (action.type === 'persist/REHYDRATE') {
const {app} = action.payload;
const {entities, views} = action.payload;
if (!entities || !views) {
return next(action);
}
// When a new version of the app has been detected
if (!app || !app.version || app.version !== DeviceInfo.getVersion() || app.build !== DeviceInfo.getBuildNumber()) {
return next(resetStateForNewVersion(action));
}
// Keep only the last 60 messages for the last 5 viewed channels in each team
// and apply data retention on those posts if applies
let nextAction;
try {
nextAction = cleanupState(action);
} catch (e) {
// Sometimes, the payload is incomplete so log the error to Sentry and skip the cleanup
console.warn(e); // eslint-disable-line no-console
captureException(e, LOGGER_JAVASCRIPT_WARNING, store);
nextAction = action;
}
return next(nextAction);
} else if (action.type === ViewTypes.DATA_CLEANUP) {
const nextAction = cleanupState(action, true);
return next(nextAction);
}
return next(action);
};
}
function resetStateForNewVersion(action) {
const {payload} = action;
const lastChannelForTeam = getLastChannelForTeam(payload);
let general = initialState.entities.general;
if (payload.entities.general) {
general = payload.entities.general;
}
let teams = initialState.entities.teams;
if (payload.entities.teams) {
teams = {
currentTeamId: payload.entities.teams.currentTeamId,
teams: payload.entities.teams.teams,
myMembers: payload.entities.teams.myMembers,
};
}
let users = initialState.entities.users;
if (payload.entities.users) {
const currentUserId = payload.entities.users.currentUserId;
if (currentUserId) {
users = {
currentUserId,
profiles: {
[currentUserId]: payload.entities.users.profiles[currentUserId],
},
};
}
}
let preferences = initialState.entities.preferences;
if (payload.entities.preferences) {
preferences = payload.entities.preferences;
}
let roles = initialState.entities.roles;
if (payload.entities.roles) {
roles = payload.entities.roles;
}
let search = initialState.entities.search;
if (payload.entities.search && payload.entities.search.recent) {
search = {
recent: payload.entities.search.recent,
};
}
let channelDrafts = initialState.views.channel.drafts;
if (payload.views.channel && payload.views.channel.drafts) {
channelDrafts = payload.views.channel.drafts;
}
let i18n = initialState.views.i18n;
if (payload.views.i18n) {
i18n = payload.views.i18n;
}
let lastTeamId = initialState.views.team.lastTeamId;
if (payload.views.team && payload.views.team.lastTeamId) {
lastTeamId = payload.views.team.lastTeamId;
}
const currentChannelId = lastChannelForTeam[lastTeamId] && lastChannelForTeam[lastTeamId].length ? lastChannelForTeam[lastTeamId][0] : '';
let channels = initialState.entities.channels;
if (payload.entities.channels && currentChannelId) {
channels = {
currentChannelId,
channels: {
[currentChannelId]: payload.entities.channels.channels[currentChannelId],
},
myMembers: {
[currentChannelId]: payload.entities.channels.myMembers[currentChannelId],
},
};
}
let threadDrafts = initialState.views.thread.drafts;
if (payload.views.thread && payload.views.thread.drafts) {
threadDrafts = payload.views.thread.drafts;
}
let selectServer = initialState.views.selectServer;
if (payload.views.selectServer) {
selectServer = payload.views.selectServer;
}
let recentEmojis = initialState.views.recentEmojis;
if (payload.views.recentEmojis) {
recentEmojis = payload.views.recentEmojis;
}
const nextState = {
app: {
build: DeviceInfo.getBuildNumber(),
version: DeviceInfo.getVersion(),
},
entities: {
channels,
general,
teams,
users,
preferences,
search,
roles,
},
views: {
channel: {
drafts: channelDrafts,
},
i18n,
team: {
lastTeamId,
lastChannelForTeam,
},
thread: {
drafts: threadDrafts,
},
selectServer,
recentEmojis,
},
};
return {
type: action.type,
payload: nextState,
error: action.error,
};
}
function getLastChannelForTeam(payload) {
const lastChannelForTeam = {...payload.views.team.lastChannelForTeam};
const convertLastChannelForTeam = Object.values(lastChannelForTeam).some((value) => !Array.isArray(value));
if (convertLastChannelForTeam) {
Object.keys(lastChannelForTeam).forEach((id) => {
lastChannelForTeam[id] = [lastChannelForTeam[id]];
});
}
return lastChannelForTeam;
}
function cleanupState(action, keepCurrent = false) {
const {payload: resetPayload} = resetStateForNewVersion(action);
const {payload} = action;
const {currentChannelId} = payload.entities.channels;
const {lastChannelForTeam} = resetPayload.views.team;
const nextEntities = {
posts: {
posts: {},
postsInChannel: {},
postsInThread: {},
reactions: {},
openGraph: payload.entities.posts.openGraph,
selectedPostId: payload.entities.posts.selectedPostId,
currentFocusedPostId: payload.entities.posts.currentFocusedPostId,
},
files: {
files: {},
fileIdsByPostId: {},
},
};
let retentionPeriod = 0;
if (resetPayload.entities.general && resetPayload.entities.general.dataRetentionPolicy &&
resetPayload.entities.general.dataRetentionPolicy.message_deletion_enabled) {
retentionPeriod = resetPayload.entities.general.dataRetentionPolicy.message_retention_cutoff;
}
const postIdsToKeep = Object.values(lastChannelForTeam).reduce((array, channelIds) => {
const ids = channelIds.reduce((result, id) => {
// we need to check that the channel id is not already included
// the reason it can be included is cause at least one of the last channels viewed
// in a team can be a DM or GM and the id can be duplicate
if (!nextEntities.posts.postsInChannel[id] && payload.entities.posts.postsInChannel[id]) {
let postIds;
if (keepCurrent && currentChannelId === id) {
postIds = payload.entities.posts.postsInChannel[id];
} else {
postIds = payload.entities.posts.postsInChannel[id].slice(0, 60);
}
nextEntities.posts.postsInChannel[id] = postIds;
return result.concat(postIds);
}
return result;
}, []);
return array.concat(ids);
}, []);
let searchResults = [];
let flaggedPosts = [];
if (payload.entities.search) {
if (payload.entities.search.results.length) {
const {results} = payload.entities.search;
searchResults = results;
postIdsToKeep.push(...results);
}
if (payload.entities.search.flagged.length) {
const {flagged} = payload.entities.search;
flaggedPosts = flagged;
postIdsToKeep.push(...flagged);
}
}
postIdsToKeep.forEach((postId) => {
const post = payload.entities.posts.posts[postId];
if (post) {
if (retentionPeriod && post.create_at < retentionPeriod) {
const postsInChannel = nextEntities.posts.postsInChannel[post.channel_id] || [];
const index = postsInChannel.indexOf(postId);
if (index !== -1) {
postsInChannel.splice(index, 1);
}
return;
}
nextEntities.posts.posts[postId] = post;
const reaction = payload.entities.posts.reactions[postId];
if (reaction) {
nextEntities.posts.reactions[postId] = reaction;
}
const fileIds = payload.entities.files.fileIdsByPostId[postId];
if (fileIds) {
nextEntities.files.fileIdsByPostId[postId] = fileIds;
fileIds.forEach((fileId) => {
nextEntities.files.files[fileId] = payload.entities.files.files[fileId];
});
}
const postsInThread = payload.entities.posts.postsInThread[postId];
if (postsInThread) {
nextEntities.posts.postsInThread[postId] = postsInThread;
}
} else {
// If the post is not in the store we need to remove it from the postsInChannel
const channelIds = Object.keys(nextEntities.posts.postsInChannel);
for (let i = 0; i < channelIds.length; i++) {
const channelId = channelIds[i];
const posts = nextEntities.posts.postsInChannel[channelId];
const index = posts.indexOf(postId);
if (index !== -1) {
posts.splice(index, 1);
break;
}
}
}
});
// remove any pending posts that hasn't failed
if (payload.entities.posts && payload.entities.posts.pendingPostIds && payload.entities.posts.pendingPostIds.length) {
const nextPendingPostIds = [...payload.entities.posts.pendingPostIds];
payload.entities.posts.pendingPostIds.forEach((id) => {
const posts = nextEntities.posts.posts;
const post = posts[id];
if (post) {
const postsInChannel = [...nextEntities.posts.postsInChannel[post.channel_id]] || [];
if (!post.failed) {
Reflect.deleteProperty(posts, id);
const index = postsInChannel.indexOf(id);
if (index !== -1) {
postsInChannel.splice(index, 1);
nextEntities.posts.postsInChannel[post.channel_id] = postsInChannel;
}
removePendingPost(nextPendingPostIds, id);
}
} else {
removePendingPost(nextPendingPostIds, id);
}
});
nextEntities.posts.pendingPostIds = nextPendingPostIds;
}
const nextState = {
app: resetPayload.app,
entities: {
...nextEntities,
channels: payload.entities.channels,
emojis: payload.entities.emojis,
general: resetPayload.entities.general,
preferences: resetPayload.entities.preferences,
search: {
...resetPayload.entities.search,
results: searchResults,
flagged: flaggedPosts,
},
teams: resetPayload.entities.teams,
users: payload.entities.users,
roles: resetPayload.entities.roles,
},
views: {
announcement: payload.views.announcement,
...resetPayload.views,
channel: {
...resetPayload.views.channel,
...payload.views.channel,
},
},
};
nextState.errors = payload.errors;
return {
type: action.type,
payload: nextState,
error: action.error,
};
}
function removePendingPost(pendingPostIds, id) {
const pendingIndex = pendingPostIds.indexOf(id);
if (pendingIndex !== -1) {
pendingPostIds.splice(pendingIndex, 1);
}
}