1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
import {makeAutoObservable, runInAction} from 'mobx'
import {RootStoreModel} from '../root-store'
import {bundleAsync} from 'lib/async/bundle'
import {cleanError} from 'lib/strings/errors'
import {CustomFeedModel} from '../feeds/custom-feed'
import {track} from 'lib/analytics/analytics'
export class SavedFeedsModel {
// state
isLoading = false
isRefreshing = false
hasLoaded = false
error = ''
// data
_feedModelCache: Record<string, CustomFeedModel> = {}
constructor(public rootStore: RootStoreModel) {
makeAutoObservable(
this,
{
rootStore: false,
},
{autoBind: true},
)
}
get hasContent() {
return this.all.length > 0
}
get hasError() {
return this.error !== ''
}
get isEmpty() {
return this.hasLoaded && !this.hasContent
}
get pinned() {
return this.rootStore.preferences.pinnedFeeds
.map(uri => this._feedModelCache[uri] as CustomFeedModel)
.filter(Boolean)
}
get unpinned() {
return this.rootStore.preferences.savedFeeds
.filter(uri => !this.isPinned(uri))
.map(uri => this._feedModelCache[uri] as CustomFeedModel)
.filter(Boolean)
}
get all() {
return [...this.pinned, ...this.unpinned]
}
get pinnedFeedNames() {
return this.pinned.map(f => f.displayName)
}
// public api
// =
/**
* Syncs the cached models against the current state
* - Should only be called by the preferences model after syncing state
*/
updateCache = bundleAsync(async (clearCache?: boolean) => {
let newFeedModels: Record<string, CustomFeedModel> = {}
if (!clearCache) {
newFeedModels = {...this._feedModelCache}
}
// collect the feed URIs that havent been synced yet
const neededFeedUris = []
for (const feedUri of this.rootStore.preferences.savedFeeds) {
if (!(feedUri in newFeedModels)) {
neededFeedUris.push(feedUri)
}
}
// early exit if no feeds need to be fetched
if (!neededFeedUris.length || neededFeedUris.length === 0) {
return
}
// fetch the missing models
try {
for (let i = 0; i < neededFeedUris.length; i += 25) {
const res = await this.rootStore.agent.app.bsky.feed.getFeedGenerators({
feeds: neededFeedUris.slice(i, 25),
})
for (const feedInfo of res.data.feeds) {
newFeedModels[feedInfo.uri] = new CustomFeedModel(
this.rootStore,
feedInfo,
)
}
}
} catch (error) {
console.error('Failed to fetch feed models', error)
this.rootStore.log.error('Failed to fetch feed models', error)
}
// merge into the cache
runInAction(() => {
this._feedModelCache = newFeedModels
})
})
/**
* Refresh the preferences then reload all feed infos
*/
refresh = bundleAsync(async () => {
this._xLoading(true)
try {
await this.rootStore.preferences.sync({clearCache: true})
this._xIdle()
} catch (e: any) {
this._xIdle(e)
}
})
async save(feed: CustomFeedModel) {
try {
await feed.save()
await this.updateCache()
} catch (e: any) {
this.rootStore.log.error('Failed to save feed', e)
}
}
async unsave(feed: CustomFeedModel) {
const uri = feed.uri
try {
if (this.isPinned(feed)) {
await this.rootStore.preferences.removePinnedFeed(uri)
}
await feed.unsave()
} catch (e: any) {
this.rootStore.log.error('Failed to unsave feed', e)
}
}
async togglePinnedFeed(feed: CustomFeedModel) {
if (!this.isPinned(feed)) {
track('CustomFeed:Pin', {
name: feed.data.displayName,
uri: feed.uri,
})
return this.rootStore.preferences.addPinnedFeed(feed.uri)
} else {
track('CustomFeed:Unpin', {
name: feed.data.displayName,
uri: feed.uri,
})
return this.rootStore.preferences.removePinnedFeed(feed.uri)
}
}
async reorderPinnedFeeds(feeds: CustomFeedModel[]) {
return this.rootStore.preferences.setSavedFeeds(
this.rootStore.preferences.savedFeeds,
feeds.filter(feed => this.isPinned(feed)).map(feed => feed.uri),
)
}
isPinned(feedOrUri: CustomFeedModel | string) {
let uri: string
if (typeof feedOrUri === 'string') {
uri = feedOrUri
} else {
uri = feedOrUri.uri
}
return this.rootStore.preferences.pinnedFeeds.includes(uri)
}
async movePinnedFeed(item: CustomFeedModel, direction: 'up' | 'down') {
const pinned = this.rootStore.preferences.pinnedFeeds.slice()
const index = pinned.indexOf(item.uri)
if (index === -1) {
return
}
if (direction === 'up' && index !== 0) {
const temp = pinned[index]
pinned[index] = pinned[index - 1]
pinned[index - 1] = temp
} else if (direction === 'down' && index < pinned.length - 1) {
const temp = pinned[index]
pinned[index] = pinned[index + 1]
pinned[index + 1] = temp
}
await this.rootStore.preferences.setSavedFeeds(
this.rootStore.preferences.savedFeeds,
pinned,
)
track('CustomFeed:Reorder', {
name: item.data.displayName,
uri: item.uri,
index: pinned.indexOf(item.uri),
})
}
// state transitions
// =
_xLoading(isRefreshing = false) {
this.isLoading = true
this.isRefreshing = isRefreshing
this.error = ''
}
_xIdle(err?: any) {
this.isLoading = false
this.isRefreshing = false
this.hasLoaded = true
this.error = cleanError(err)
if (err) {
this.rootStore.log.error('Failed to fetch user feeds', err)
}
}
}
|
