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import { reduce, filter, findIndex, clone, get } from 'lodash'
import Status from '../status/status.vue'
import ThreadTree from '../thread_tree/thread_tree.vue'
const debug = console.log
const sortById = (a, b) => {
const idA = a.type === 'retweet' ? a.retweeted_status.id : a.id
const idB = b.type === 'retweet' ? b.retweeted_status.id : b.id
const seqA = Number(idA)
const seqB = Number(idB)
const isSeqA = !Number.isNaN(seqA)
const isSeqB = !Number.isNaN(seqB)
if (isSeqA && isSeqB) {
return seqA < seqB ? -1 : 1
} else if (isSeqA && !isSeqB) {
return -1
} else if (!isSeqA && isSeqB) {
return 1
} else {
return idA < idB ? -1 : 1
}
}
const sortAndFilterConversation = (conversation, statusoid) => {
if (statusoid.type === 'retweet') {
conversation = filter(
conversation,
(status) => (status.type === 'retweet' || status.id !== statusoid.retweeted_status.id)
)
} else {
conversation = filter(conversation, (status) => status.type !== 'retweet')
}
return conversation.filter(_ => _).sort(sortById)
}
const conversation = {
data () {
return {
highlight: null,
expanded: false
}
},
props: [
'statusId',
'collapsable',
'isPage',
'pinnedStatusIdsObject',
'inProfile',
'profileUserId',
'virtualHidden'
],
created () {
if (this.isPage) {
this.fetchConversation()
}
},
computed: {
displayStyle () {
return this.$store.state.config.conversationDisplay
},
isTreeView () {
return this.displayStyle === 'tree'
},
isLinearView () {
return this.displayStyle === 'linear'
},
hideStatus () {
if (this.$refs.statusComponent && this.$refs.statusComponent[0]) {
return this.virtualHidden && this.$refs.statusComponent[0].suspendable
} else {
return this.virtualHidden
}
},
status () {
return this.$store.state.statuses.allStatusesObject[this.statusId]
},
originalStatusId () {
if (this.status.retweeted_status) {
return this.status.retweeted_status.id
} else {
return this.statusId
}
},
conversationId () {
return this.getConversationId(this.statusId)
},
conversation () {
if (!this.status) {
return []
}
if (!this.isExpanded) {
return [this.status]
}
const conversation = clone(this.$store.state.statuses.conversationsObject[this.conversationId])
const statusIndex = findIndex(conversation, { id: this.originalStatusId })
if (statusIndex !== -1) {
conversation[statusIndex] = this.status
}
return sortAndFilterConversation(conversation, this.status)
},
threadTree () {
const reverseLookupTable = this.conversation.reduce((table, status, index) => {
table[status.id] = index
return table
}, {})
const threads = this.conversation.reduce((a, cur) => {
const id = cur.id
a.forest[id] = this.getReplies(id)
.map(s => s.id)
.sort((a, b) => reverseLookupTable[a] - reverseLookupTable[b])
a.topLevel = a.topLevel.filter(k => a.forest[id].contains(k))
return a
}, {
forest: {},
topLevel: this.conversation.map(s => s.id)
})
const walk = (forest, topLevel, depth = 0, processed = {}) => topLevel.map(id => {
if (processed[id]) {
return []
}
processed[id] = true
return [{
status: this.conversation[reverseLookupTable[id]],
id,
depth
}, walk(forest, forest[child], depth + 1, processed)].reduce((a, b) => a.concat(b), [])
}).reduce((a, b) => a.concat(b), [])
const linearized = walk(threads.forest, threads.topLevel)
return linearized
},
topLevel () {
const topLevel = this.conversation.reduce((tl, cur) =>
tl.filter(k => this.getReplies(cur.id).map(v => v.id).indexOf(k.id) === -1), this.conversation)
debug("toplevel =", topLevel)
debug("toplevel =", topLevel)
return topLevel
},
replies () {
let i = 1
// eslint-disable-next-line camelcase
return reduce(this.conversation, (result, { id, in_reply_to_status_id }) => {
/* eslint-disable camelcase */
const irid = in_reply_to_status_id
/* eslint-enable camelcase */
if (irid) {
result[irid] = result[irid] || []
result[irid].push({
name: `#${i}`,
id: id
})
}
i++
return result
}, {})
},
isExpanded () {
return !!(this.expanded || this.isPage)
},
hiddenStyle () {
const height = (this.status && this.status.virtualHeight) || '120px'
return this.virtualHidden ? { height } : {}
}
},
components: {
Status,
ThreadTree
},
watch: {
statusId (newVal, oldVal) {
const newConversationId = this.getConversationId(newVal)
const oldConversationId = this.getConversationId(oldVal)
if (newConversationId && oldConversationId && newConversationId === oldConversationId) {
this.setHighlight(this.originalStatusId)
} else {
this.fetchConversation()
}
},
expanded (value) {
if (value) {
this.fetchConversation()
}
},
virtualHidden (value) {
this.$store.dispatch(
'setVirtualHeight',
{ statusId: this.statusId, height: `${this.$el.clientHeight}px` }
)
}
},
methods: {
fetchConversation () {
if (this.status) {
this.$store.state.api.backendInteractor.fetchConversation({ id: this.statusId })
.then(({ ancestors, descendants }) => {
this.$store.dispatch('addNewStatuses', { statuses: ancestors })
this.$store.dispatch('addNewStatuses', { statuses: descendants })
this.setHighlight(this.originalStatusId)
})
} else {
this.$store.state.api.backendInteractor.fetchStatus({ id: this.statusId })
.then((status) => {
this.$store.dispatch('addNewStatuses', { statuses: [status] })
this.fetchConversation()
})
}
},
getReplies (id) {
return this.replies[id] || []
},
focused (id) {
return (this.isExpanded) && id === this.statusId
},
setHighlight (id) {
if (!id) return
this.highlight = id
this.$store.dispatch('fetchFavsAndRepeats', id)
this.$store.dispatch('fetchEmojiReactionsBy', id)
},
getHighlight () {
return this.isExpanded ? this.highlight : null
},
toggleExpanded () {
this.expanded = !this.expanded
},
getConversationId (statusId) {
const status = this.$store.state.statuses.allStatusesObject[statusId]
return get(status, 'retweeted_status.statusnet_conversation_id', get(status, 'statusnet_conversation_id'))
}
}
}
export default conversation
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