elk/composables/masto/publish.ts

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import { fileOpen } from 'browser-fs-access'
import type { Ref } from 'vue'
import type { mastodon } from 'masto'
import type { UseDraft } from './statusDrafts'
import type { Draft } from '~~/types'
export function usePublish(options: {
draftState: UseDraft
expanded: Ref<boolean>
isUploading: Ref<boolean>
initialDraft: Ref<() => Draft>
}) {
const { expanded, isUploading, initialDraft } = $(options)
let { draft, isEmpty } = $(options.draftState)
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const { client } = $(useMasto())
const settings = useUserSettings()
const preferredLanguage = $computed(() => (settings.value?.language || 'en').split('-')[0])
let isSending = $ref(false)
const isExpanded = $ref(false)
const failedMessages = $ref<string[]>([])
const publishSpoilerText = $computed({
get() {
return draft.params.sensitive ? draft.params.spoilerText : ''
},
set(val) {
if (!draft.params.sensitive)
return
draft.params.spoilerText = val
},
})
const shouldExpanded = $computed(() => expanded || isExpanded || !isEmpty)
const isPublishDisabled = $computed(() => {
const firstEmptyInputIndex = draft.params.poll?.options.findIndex(option => option.trim().length === 0)
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return isEmpty
|| isUploading
|| isSending
|| (draft.attachments.length === 0 && !draft.params.status)
|| failedMessages.length > 0
|| (draft.attachments.length > 0 && draft.params.poll !== null && draft.params.poll !== undefined)
|| ((draft.params.poll !== null && draft.params.poll !== undefined)
&& (
(firstEmptyInputIndex !== -1
&& firstEmptyInputIndex !== draft.params.poll.options.length - 1
)
|| draft.params.poll.options.findLastIndex(option => option.trim().length > 0) + 1 < 2
|| (new Set(draft.params.poll.options).size !== draft.params.poll.options.length)
|| (currentInstance.value?.configuration?.polls.maxCharactersPerOption !== undefined
&& draft.params.poll.options.find(option => option.length > currentInstance.value!.configuration!.polls.maxCharactersPerOption) !== undefined
)
)
)
})
watch(() => draft, () => {
if (failedMessages.length > 0)
failedMessages.length = 0
}, { deep: true })
async function publishDraft() {
if (isPublishDisabled)
return
let content = htmlToText(draft.params.status || '')
if (draft.mentions?.length)
content = `${draft.mentions.map(i => `@${i}`).join(' ')} ${content}`
let poll
if (draft.params.poll) {
let options = draft.params.poll.options
if (currentInstance.value?.configuration !== undefined
&& (
options.length < currentInstance.value.configuration.polls.maxOptions
|| options[options.length - 1].trim().length === 0
)
)
options = options.slice(0, options.length - 1)
poll = { ...draft.params.poll, options }
}
const payload = {
...draft.params,
spoilerText: publishSpoilerText,
status: content,
mediaIds: draft.attachments.map(a => a.id),
language: draft.params.language || preferredLanguage,
poll,
...(isGlitchEdition.value ? { 'content-type': 'text/markdown' } : {}),
} as mastodon.v1.CreateStatusParams
if (process.dev) {
// eslint-disable-next-line no-console
console.info({
raw: draft.params.status,
...payload,
})
// eslint-disable-next-line no-alert
const result = confirm('[DEV] Payload logged to console, do you want to publish it?')
if (!result)
return
}
try {
isSending = true
let status: mastodon.v1.Status
if (!draft.editingStatus)
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status = await client.v1.statuses.create(payload)
else
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status = await client.v1.statuses.update(draft.editingStatus.id, payload)
if (draft.params.inReplyToId)
navigateToStatus({ status })
draft = initialDraft()
return status
}
catch (err) {
console.error(err)
failedMessages.push((err as Error).message)
}
finally {
isSending = false
}
}
return $$({
isSending,
isExpanded,
shouldExpanded,
isPublishDisabled,
failedMessages,
preferredLanguage,
publishSpoilerText,
publishDraft,
})
}
export type MediaAttachmentUploadError = [filename: string, message: string]
export function useUploadMediaAttachment(draftRef: Ref<Draft>) {
const draft = $(draftRef)
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const { client } = $(useMasto())
const { t } = useI18n()
let isUploading = $ref<boolean>(false)
let isExceedingAttachmentLimit = $ref<boolean>(false)
let failedAttachments = $ref<MediaAttachmentUploadError[]>([])
const dropZoneRef = ref<HTMLDivElement>()
const maxPixels = $computed(() => {
return currentInstance.value?.configuration?.mediaAttachments?.imageMatrixLimit
?? 4096 ** 2
})
const loadImage = (inputFile: Blob) => new Promise<HTMLImageElement>((resolve, reject) => {
const url = URL.createObjectURL(inputFile)
const img = new Image()
img.onerror = err => reject(err)
img.onload = () => resolve(img)
img.src = url
})
function resizeImage(img: CanvasImageSource, type = 'image/png'): Promise<Blob | null> {
const { width, height } = img
const aspectRatio = (width as number) / (height as number)
const canvas = document.createElement('canvas')
const resizedWidth = canvas.width = Math.round(Math.sqrt(maxPixels * aspectRatio))
const resizedHeight = canvas.height = Math.round(Math.sqrt(maxPixels / aspectRatio))
const context = canvas.getContext('2d')
context?.drawImage(img, 0, 0, resizedWidth, resizedHeight)
return new Promise((resolve) => {
canvas.toBlob(resolve, type)
})
}
async function processImageFile(file: File) {
try {
const image = await loadImage(file) as HTMLImageElement
if (image.width * image.height > maxPixels)
file = await resizeImage(image, file.type) as File
return file
}
catch (e) {
// Resize failed, just use the original file
console.error(e)
return file
}
}
async function processFile(file: File) {
if (file.type.startsWith('image/'))
return await processImageFile(file)
return file
}
async function uploadAttachments(files: File[]) {
isUploading = true
failedAttachments = []
// TODO: display some kind of message if too many media are selected
// DONE
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const limit = currentInstance.value!.configuration?.statuses.maxMediaAttachments || 4
for (const file of files.slice(0, limit)) {
if (draft.attachments.length < limit) {
isExceedingAttachmentLimit = false
try {
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const attachment = await client.v1.mediaAttachments.create({
file: await processFile(file),
})
draft.attachments.push(attachment)
}
catch (e) {
// TODO: add some human-readable error message, problem is that masto api will not return response code
console.error(e)
failedAttachments = [...failedAttachments, [file.name, (e as Error).message]]
}
}
else {
isExceedingAttachmentLimit = true
failedAttachments = [...failedAttachments, [file.name, t('state.attachments_limit_error')]]
}
}
isUploading = false
}
async function pickAttachments() {
if (process.server)
return
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const mimeTypes = currentInstance.value!.configuration?.mediaAttachments.supportedMimeTypes
const files = await fileOpen({
description: 'Attachments',
multiple: true,
mimeTypes,
})
await uploadAttachments(files)
}
async function setDescription(att: mastodon.v1.MediaAttachment, description: string) {
att.description = description
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await client.v1.mediaAttachments.update(att.id, { description: att.description })
}
function removeAttachment(index: number) {
draft.attachments.splice(index, 1)
}
async function onDrop(files: File[] | null) {
if (files)
await uploadAttachments(files)
}
const { isOverDropZone } = useDropZone(dropZoneRef, onDrop)
return $$({
isUploading,
isExceedingAttachmentLimit,
isOverDropZone,
failedAttachments,
dropZoneRef,
uploadAttachments,
pickAttachments,
setDescription,
removeAttachment,
})
}