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
|
import {makeAutoObservable} from 'mobx'
import {AppBskyFeedGetSavedFeeds as GetSavedFeeds} from '@atproto/api'
import {RootStoreModel} from '../../root-store'
import {bundleAsync} from 'lib/async/bundle'
import {cleanError} from 'lib/strings/errors'
import {AlgoItemModel} from './algo-item'
const PAGE_SIZE = 30
export class SavedFeedsModel {
// state
isLoading = false
isRefreshing = false
hasLoaded = false
error = ''
hasMore = true
loadMoreCursor?: string
// data
feeds: AlgoItemModel[] = []
constructor(public rootStore: RootStoreModel) {
makeAutoObservable(
this,
{
rootStore: false,
},
{autoBind: true},
)
}
get hasContent() {
return this.feeds.length > 0
}
get hasError() {
return this.error !== ''
}
get isEmpty() {
return this.hasLoaded && !this.hasContent
}
get numOfFeeds() {
return this.feeds.length
}
get listOfFeedNames() {
return this.feeds.map(
f => f.data.displayName ?? f.data.creator.displayName + "'s feed",
)
}
// public api
// =
async refresh() {
return this.loadMore(true)
}
clear() {
this.isLoading = false
this.isRefreshing = false
this.hasLoaded = false
this.error = ''
this.hasMore = true
this.loadMoreCursor = undefined
this.feeds = []
}
loadMore = bundleAsync(async (replace: boolean = false) => {
if (!replace && !this.hasMore) {
return
}
this._xLoading(replace)
try {
const res = await this.rootStore.agent.app.bsky.feed.getSavedFeeds({
limit: PAGE_SIZE,
cursor: replace ? undefined : this.loadMoreCursor,
})
if (replace) {
this._replaceAll(res)
} else {
this._appendAll(res)
}
this._xIdle()
} catch (e: any) {
this._xIdle(e)
}
})
removeFeed(uri: string) {
this.feeds = this.feeds.filter(f => f.data.uri !== uri)
}
addFeed(algoItem: AlgoItemModel) {
this.feeds.push(new AlgoItemModel(this.rootStore, algoItem.data))
}
async save(algoItem: AlgoItemModel) {
try {
await this.rootStore.agent.app.bsky.feed.saveFeed({
feed: algoItem.getUri,
})
this.addFeed(algoItem)
} catch (e: any) {
this.rootStore.log.error('Failed to save feed', e)
}
}
async unsave(uri: string) {
try {
await this.rootStore.agent.app.bsky.feed.unsaveFeed({
feed: uri,
})
this.removeFeed(uri)
} catch (e: any) {
this.rootStore.log.error('Failed to unsanve feed', e)
}
}
// 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 followers', err)
}
}
// helper functions
// =
_replaceAll(res: GetSavedFeeds.Response) {
this.feeds = []
this._appendAll(res)
}
_appendAll(res: GetSavedFeeds.Response) {
this.loadMoreCursor = res.data.cursor
this.hasMore = !!this.loadMoreCursor
for (const f of res.data.feeds) {
this.feeds.push(new AlgoItemModel(this.rootStore, f))
}
}
}
|
