From 0ef99f2c8ee72d2ab350433abb5546e2bb7901aa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=89=E5=92=B2=E6=99=BA=E5=AD=90=20Kevin=20Deng?=
 <sxzz@sxzz.moe>
Date: Tue, 10 Jan 2023 21:22:39 +0800
Subject: [PATCH] refactor(publish): extract to composables

---
 components/publish/PublishWidget.vue | 139 ++++--------------------
 composables/masto/publish.ts         | 153 +++++++++++++++++++++++++++
 composables/masto/routes.ts          |   9 ++
 composables/masto/statusDrafts.ts    |   8 +-
 composables/status.ts                |   3 -
 5 files changed, 190 insertions(+), 122 deletions(-)
 create mode 100644 composables/masto/publish.ts
 delete mode 100644 composables/status.ts

diff --git a/components/publish/PublishWidget.vue b/components/publish/PublishWidget.vue
index 6cf2df7a..e5d54423 100644
--- a/components/publish/PublishWidget.vue
+++ b/components/publish/PublishWidget.vue
@@ -1,16 +1,13 @@
 <script setup lang="ts">
-import type { mastodon } from 'masto'
-import { fileOpen } from 'browser-fs-access'
-import { useDropZone } from '@vueuse/core'
 import { EditorContent } from '@tiptap/vue-3'
+import type { mastodon } from 'masto'
+import type { Ref } from 'vue'
 import type { Draft } from '~/types'
 
-type FileUploadError = [filename: string, message: string]
-
 const {
   draftKey,
   initial = getDefaultDraft() as never /* Bug of vue-core */,
-  expanded: _expanded = false,
+  expanded = false,
   placeholder,
   dialogLabelledBy,
 } = defineProps<{
@@ -29,11 +26,20 @@ const emit = defineEmits<{
 
 const { t } = useI18n()
 
-let { draft, isEmpty } = $(useDraft(draftKey, initial))
+const draftState = useDraft(draftKey, initial)
+const { draft } = $(draftState)
 
-let isSending = $ref(false)
-let isExpanded = $ref(false)
-const shouldExpanded = $computed(() => _expanded || isExpanded || !isEmpty)
+const {
+  isExceedingAttachmentLimit, isUploading, failedAttachments, isOverDropZone,
+  uploadAttachments, pickAttachments, setDescription, removeAttachment,
+} = $(useUploadMediaAttachment($$(draft)))
+
+let { shouldExpanded, isExpanded, isSending, isPublishDisabled, publishDraft } = $(usePublish(
+  {
+    draftState,
+    ...$$({ expanded, isUploading, initialDraft: initial }),
+  },
+))
 
 const { editor } = useTiptap({
   content: computed({
@@ -55,11 +61,7 @@ const { editor } = useTiptap({
   },
   onPaste: handlePaste,
 })
-
 const characterCount = $computed(() => htmlToText(editor.value?.getHTML() || '').length)
-let isUploading = $ref<boolean>(false)
-let isExceedingAttachmentLimit = $ref<boolean>(false)
-let failed = $ref<FileUploadError[]>([])
 
 async function handlePaste(evt: ClipboardEvent) {
   const files = evt.clipboardData?.files
@@ -77,120 +79,21 @@ function insertCustomEmoji(image: any) {
   editor.value?.chain().focus().insertCustomEmoji(image).run()
 }
 
-async function pickAttachments() {
-  const mimeTypes = currentInstance.value!.configuration.mediaAttachments.supportedMimeTypes
-  const files = await fileOpen({
-    description: 'Attachments',
-    multiple: true,
-    mimeTypes,
-  })
-  await uploadAttachments(files)
-}
-
 async function toggleSensitive() {
   draft.params.sensitive = !draft.params.sensitive
 }
 
-const masto = useMasto()
-
-async function uploadAttachments(files: File[]) {
-  isUploading = true
-  failed = []
-  // TODO: display some kind of message if too many media are selected
-  // DONE
-  const limit = currentInstance.value!.configuration.statuses.maxMediaAttachments || 4
-  for (const file of files.slice(0, limit)) {
-    if (draft.attachments.length < limit) {
-      isExceedingAttachmentLimit = false
-      try {
-        const attachment = await masto.v1.mediaAttachments.create({
-          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)
-        failed = [...failed, [file.name, (e as Error).message]]
-      }
-    }
-    else {
-      isExceedingAttachmentLimit = true
-      failed = [...failed, [file.name, t('state.attachments_limit_error')]]
-    }
-  }
-  isUploading = false
-}
-
-async function setDescription(att: mastodon.v1.MediaAttachment, description: string) {
-  att.description = description
-  await masto.v1.mediaAttachments.update(att.id, { description: att.description })
-}
-
-function removeAttachment(index: number) {
-  draft.attachments.splice(index, 1)
-}
-
 async function publish() {
-  const payload = {
-    ...draft.params,
-    status: htmlToText(draft.params.status || ''),
-    mediaIds: draft.attachments.map(a => a.id),
-    ...(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)
-      status = await masto.v1.statuses.create(payload)
-    else
-      status = await masto.v1.statuses.update(draft.editingStatus.id, payload)
-    if (draft.params.inReplyToId)
-      navigateToStatus({ status })
-
-    draft = initial()
+  const status = await publishDraft()
+  if (status)
     emit('published', status)
-  }
-  finally {
-    isSending = false
-  }
 }
 
-const dropZoneRef = ref<HTMLDivElement>()
-
-async function onDrop(files: File[] | null) {
-  if (files)
-    await uploadAttachments(files)
-}
-
-const { isOverDropZone } = useDropZone(dropZoneRef, onDrop)
-
 defineExpose({
   focusEditor: () => {
     editor.value?.commands?.focus?.()
   },
 })
-
-const isPublishDisabled = computed(() => {
-  if (isEmpty || isUploading || (draft.attachments.length === 0 && !draft.params.status))
-    return true
-
-  return false
-})
 </script>
 
 <template>
@@ -239,7 +142,7 @@ const isPublishDisabled = computed(() => {
           {{ $t('state.uploading') }}
         </div>
         <div
-          v-else-if="failed.length > 0"
+          v-else-if="failedAttachments.length > 0"
           role="alert"
           :aria-describedby="isExceedingAttachmentLimit ? 'upload-failed uploads-per-post' : 'upload-failed'"
           flex="~ col"
@@ -258,7 +161,7 @@ const isPublishDisabled = computed(() => {
                 flex rounded-4 p1
                 hover:bg-active cursor-pointer transition-100
                 :aria-label="$t('action.clear_upload_failed')"
-                @click="failed = []"
+                @click="failedAttachments = []"
               >
                 <span aria-hidden="true" w="1.75em" h="1.75em" i-ri:close-line />
               </button>
@@ -268,7 +171,7 @@ const isPublishDisabled = computed(() => {
             {{ $t('state.attachments_exceed_server_limit') }}
           </div>
           <ol ps-2 sm:ps-1>
-            <li v-for="error in failed" :key="error[0]" flex="~ col sm:row" gap-y-1 sm:gap-x-2>
+            <li v-for="error in failedAttachments" :key="error[0]" flex="~ col sm:row" gap-y-1 sm:gap-x-2>
               <strong>{{ error[1] }}:</strong>
               <span>{{ error[0] }}</span>
             </li>
diff --git a/composables/masto/publish.ts b/composables/masto/publish.ts
new file mode 100644
index 00000000..3bca26f6
--- /dev/null
+++ b/composables/masto/publish.ts
@@ -0,0 +1,153 @@
+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 const usePublish = (options: {
+  draftState: UseDraft
+  expanded: Ref<boolean>
+  isUploading: Ref<boolean>
+  initialDraft: Ref<() => Draft>
+}) => {
+  const { expanded, isUploading, initialDraft } = $(options)
+  let { draft, isEmpty } = $(options.draftState)
+  const masto = useMasto()
+
+  let isSending = $ref(false)
+  const isExpanded = $ref(false)
+
+  const shouldExpanded = $computed(() => expanded || isExpanded || !isEmpty)
+  const isPublishDisabled = $computed(() => {
+    return isEmpty || isUploading || isSending || (draft.attachments.length === 0 && !draft.params.status)
+  })
+
+  async function publishDraft() {
+    const payload = {
+      ...draft.params,
+      status: htmlToText(draft.params.status || ''),
+      mediaIds: draft.attachments.map(a => a.id),
+      ...(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)
+        status = await masto.v1.statuses.create(payload)
+      else
+        status = await masto.v1.statuses.update(draft.editingStatus.id, payload)
+      if (draft.params.inReplyToId)
+        navigateToStatus({ status })
+
+      draft = initialDraft()
+
+      return status
+    }
+    finally {
+      isSending = false
+    }
+  }
+
+  return $$({
+    isSending,
+    isExpanded,
+    shouldExpanded,
+    isPublishDisabled,
+
+    publishDraft,
+  })
+}
+
+export type MediaAttachmentUploadError = [filename: string, message: string]
+
+export const useUploadMediaAttachment = (draftRef: Ref<Draft>) => {
+  const draft = $(draftRef)
+  const masto = useMasto()
+  const { t } = useI18n()
+
+  let isUploading = $ref<boolean>(false)
+  let isExceedingAttachmentLimit = $ref<boolean>(false)
+  let failedAttachments = $ref<MediaAttachmentUploadError[]>([])
+  const dropZoneRef = ref<HTMLDivElement>()
+
+  async function uploadAttachments(files: File[]) {
+    isUploading = true
+    failedAttachments = []
+    // TODO: display some kind of message if too many media are selected
+    // DONE
+    const limit = currentInstance.value!.configuration.statuses.maxMediaAttachments || 4
+    for (const file of files.slice(0, limit)) {
+      if (draft.attachments.length < limit) {
+        isExceedingAttachmentLimit = false
+        try {
+          const attachment = await masto.v1.mediaAttachments.create({
+            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() {
+    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
+    await masto.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,
+    failedAttachments,
+    isOverDropZone,
+
+    uploadAttachments,
+    pickAttachments,
+    setDescription,
+    removeAttachment,
+  })
+}
diff --git a/composables/masto/routes.ts b/composables/masto/routes.ts
index 1043bb34..e0c7a868 100644
--- a/composables/masto/routes.ts
+++ b/composables/masto/routes.ts
@@ -63,3 +63,12 @@ export function getStatusInReplyToRoute(status: mastodon.v1.Status) {
     },
   })
 }
+
+export const navigateToStatus = ({ status, focusReply = false }: {
+  status: mastodon.v1.Status
+  focusReply?: boolean
+}) =>
+  navigateTo({
+    path: getStatusRoute(status).href,
+    state: { focusReply },
+  })
diff --git a/composables/masto/statusDrafts.ts b/composables/masto/statusDrafts.ts
index f99ef693..e9fac86d 100644
--- a/composables/masto/statusDrafts.ts
+++ b/composables/masto/statusDrafts.ts
@@ -1,4 +1,5 @@
 import type { mastodon } from 'masto'
+import type { ComputedRef, Ref } from 'vue'
 import { STORAGE_KEY_DRAFTS } from '~/constants'
 import type { Draft, DraftMap } from '~/types'
 import type { Mutable } from '~/types/utils'
@@ -89,10 +90,15 @@ export const isEmptyDraft = (draft: Draft | null | undefined) => {
     && (params.spoilerText || '').length === 0
 }
 
+export interface UseDraft {
+  draft: Ref<Draft>
+  isEmpty: ComputedRef<boolean>
+}
+
 export function useDraft(
   draftKey?: string,
   initial: () => Draft = () => getDefaultDraft({}),
-) {
+): UseDraft {
   const draft = draftKey
     ? computed({
       get() {
diff --git a/composables/status.ts b/composables/status.ts
deleted file mode 100644
index 44211e03..00000000
--- a/composables/status.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-import type { mastodon } from 'masto'
-
-export const navigateToStatus = ({ status, focusReply = false }: { status: mastodon.v1.Status; focusReply?: boolean }) => navigateTo({ path: getStatusRoute(status).href, state: { focusReply } })