elk/composables/masto/statusDrafts.ts

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import type { mastodon } from 'masto'
import type { ComputedRef, Ref } from 'vue'
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import { STORAGE_KEY_DRAFTS } from '~/constants'
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import type { Draft, DraftMap } from '~/types'
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import type { Mutable } from '~/types/utils'
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export const currentUserDrafts = (process.server || process.test)
? computed<DraftMap>(() => ({}))
: useUserLocalStorage<DraftMap>(STORAGE_KEY_DRAFTS, () => ({}))
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export const builtinDraftKeys = [
'dialog',
'home',
]
const ALL_VISIBILITY = ['public', 'unlisted', 'private', 'direct'] as const
function getDefaultVisibility(currentVisibility: mastodon.v1.StatusVisibility) {
// The default privacy only should be taken into account if it makes
// the post more private than the replying to post
const preferredVisibility = currentUser.value?.account.source.privacy || 'public'
return ALL_VISIBILITY.indexOf(currentVisibility)
> ALL_VISIBILITY.indexOf(preferredVisibility)
? currentVisibility
: preferredVisibility
}
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export function getDefaultDraft(options: Partial<Mutable<mastodon.v1.CreateStatusParams> & Omit<Draft, 'params'>> = {}): Draft {
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const {
attachments = [],
initialText = '',
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status,
inReplyToId,
visibility,
sensitive,
spoilerText,
language,
mentions,
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} = options
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return {
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attachments,
initialText,
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params: {
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status: status || '',
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inReplyToId,
visibility: getDefaultVisibility(visibility || 'public'),
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sensitive: sensitive ?? false,
spoilerText: spoilerText || '',
language: language || '', // auto inferred from current language on posting
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},
mentions,
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lastUpdated: Date.now(),
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}
}
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export async function getDraftFromStatus(status: mastodon.v1.Status): Promise<Draft> {
return getDefaultDraft({
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status: await convertMastodonHTML(status.content),
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mediaIds: status.mediaAttachments.map(att => att.id),
visibility: status.visibility,
attachments: status.mediaAttachments,
sensitive: status.sensitive,
spoilerText: status.spoilerText,
language: status.language,
inReplyToId: status.inReplyToId,
})
}
function getAccountsToMention(status: mastodon.v1.Status) {
const userId = currentUser.value?.account.id
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const accountsToMention = new Set<string>()
if (status.account.id !== userId)
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accountsToMention.add(status.account.acct)
status.mentions
.filter(mention => mention.id !== userId)
.map(mention => mention.acct)
.forEach(i => accountsToMention.add(i))
return Array.from(accountsToMention)
}
export function getReplyDraft(status: mastodon.v1.Status) {
const accountsToMention = getAccountsToMention(status)
return {
key: `reply-${status.id}`,
draft: () => {
return getDefaultDraft({
initialText: '',
inReplyToId: status!.id,
sensitive: status.sensitive,
spoilerText: status.spoilerText,
visibility: status.visibility,
mentions: accountsToMention,
language: status.language,
})
},
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}
}
export function isEmptyDraft(draft: Draft | null | undefined) {
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if (!draft)
return true
const { params, attachments } = draft
const status = params.status || ''
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const text = htmlToText(status).trim().replace(/^(@\S+\s?)+/, '').replaceAll(/```/g, '').trim()
return (text.length === 0)
&& attachments.length === 0
}
export interface UseDraft {
draft: Ref<Draft>
isEmpty: ComputedRef<boolean>
}
export function useDraft(
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draftKey?: string,
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initial: () => Draft = () => getDefaultDraft({}),
): UseDraft {
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const draft = draftKey
? computed({
get() {
if (!currentUserDrafts.value[draftKey])
currentUserDrafts.value[draftKey] = initial()
return currentUserDrafts.value[draftKey]
},
set(val) {
currentUserDrafts.value[draftKey] = val
},
})
: ref(initial())
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const isEmpty = computed(() => isEmptyDraft(draft.value))
onUnmounted(async () => {
// Remove draft if it's empty
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if (isEmpty.value && draftKey) {
await nextTick()
delete currentUserDrafts.value[draftKey]
}
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})
return { draft, isEmpty }
}
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export function mentionUser(account: mastodon.v1.Account) {
openPublishDialog('dialog', getDefaultDraft({
status: `@${account.acct} `,
}))
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}
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export function directMessageUser(account: mastodon.v1.Account) {
openPublishDialog('dialog', getDefaultDraft({
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status: `@${account.acct} `,
visibility: 'direct',
}))
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}
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export function clearEmptyDrafts() {
for (const key in currentUserDrafts.value) {
if (builtinDraftKeys.includes(key) && !isEmptyDraft(currentUserDrafts.value[key]))
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continue
if (!currentUserDrafts.value[key].params || isEmptyDraft(currentUserDrafts.value[key]))
delete currentUserDrafts.value[key]
}
}