From eb492954225c29a2d86fef433ef880be6b4da9d7 Mon Sep 17 00:00:00 2001
From: floatingghost <hannah@coffee-and-dreams.uk>
Date: Sun, 4 Dec 2022 17:31:41 +0000
Subject: [PATCH] Add hashtag following button (#244)

Co-authored-by: FloatingGhost <hannah@coffee-and-dreams.uk>
Reviewed-on: https://akkoma.dev/AkkomaGang/pleroma-fe/pulls/244
---
 src/components/timeline/timeline.js  | 25 +++++++++++++++++--
 src/components/timeline/timeline.vue | 30 ++++++++++++++++++++++
 src/i18n/en.json                     |  4 ++-
 src/main.js                          |  4 ++-
 src/modules/tags.js                  | 37 ++++++++++++++++++++++++++++
 src/services/api/api.service.js      | 31 ++++++++++++++++++++++-
 6 files changed, 126 insertions(+), 5 deletions(-)
 create mode 100644 src/modules/tags.js

diff --git a/src/components/timeline/timeline.js b/src/components/timeline/timeline.js
index b033e60e..cdb35e08 100644
--- a/src/components/timeline/timeline.js
+++ b/src/components/timeline/timeline.js
@@ -6,11 +6,13 @@ import TimelineMenuTabs from '../timeline_menu_tabs/timeline_menu_tabs.vue'
 import TimelineQuickSettings from './timeline_quick_settings.vue'
 import { debounce, throttle, keyBy } from 'lodash'
 import { library } from '@fortawesome/fontawesome-svg-core'
-import { faCircleNotch, faCog } from '@fortawesome/free-solid-svg-icons'
+import { faCircleNotch, faCog, faPlus, faMinus } from '@fortawesome/free-solid-svg-icons'
 
 library.add(
   faCircleNotch,
-  faCog
+  faCog,
+  faPlus,
+  faMinus
 )
 
 const Timeline = {
@@ -90,6 +92,15 @@ const Timeline = {
     },
     showPanelNavShortcuts () {
       return this.$store.getters.mergedConfig.showPanelNavShortcuts
+    },
+    currentUser () {
+      return this.$store.state.users.currentUser
+    },
+    tagData () {
+      return this.$store.state.tags.tags[this.tag]
+    },
+    tagFollowed () {
+      return this.$store.state.tags.tags[this.tag]?.following
     }
   },
   created () {
@@ -118,6 +129,10 @@ const Timeline = {
     }
     window.addEventListener('keydown', this.handleShortKey)
     setTimeout(this.determineVisibleStatuses, 250)
+
+    if (this.tag) {
+      this.$store.dispatch('getTag', this.tag)
+    }
   },
   unmounted () {
     window.removeEventListener('scroll', this.handleScroll)
@@ -232,6 +247,12 @@ const Timeline = {
     }, 200),
     handleVisibilityChange () {
       this.unfocused = document.hidden
+    },
+    followTag (tag) {
+      return this.$store.dispatch('followTag', tag)
+    },
+    unfollowTag (tag) {
+      return this.$store.dispatch('unfollowTag', tag)
     }
   },
   watch: {
diff --git a/src/components/timeline/timeline.vue b/src/components/timeline/timeline.vue
index d75114df..9302cce6 100644
--- a/src/components/timeline/timeline.vue
+++ b/src/components/timeline/timeline.vue
@@ -21,6 +21,36 @@
         {{ $t('timeline.up_to_date') }}
       </div>
       <TimelineQuickSettings v-if="!embedded" />
+      <div
+        v-if="currentUser && tag !== undefined && tagData && !tagFollowed"
+        class="followTag"
+      >
+        <button
+          class="button-default"
+          :title="$t('timeline.follow_tag')"
+          @click="followTag(tag)"
+        >
+          <FAIcon
+            size="sm"
+            icon="plus"
+          />
+        </button>
+      </div>
+      <div
+        v-if="currentUser && tag !== undefined && tagData && tagFollowed"
+        class="followTag"
+      >
+        <button
+          class="button-default"
+          :title="$t('timeline.unfollow_tag')"
+          @click="unfollowTag(tag)"
+        >
+          <FAIcon
+            size="sm"
+            icon="minus"
+          />
+        </button>
+      </div>
     </div>
     <div :class="classes.body">
       <div
diff --git a/src/i18n/en.json b/src/i18n/en.json
index c47dd70d..4c79ac4c 100644
--- a/src/i18n/en.json
+++ b/src/i18n/en.json
@@ -1055,7 +1055,9 @@
         "show_new": "Show new",
         "socket_broke": "Realtime connection lost: CloseEvent code {0}",
         "socket_reconnected": "Realtime connection established",
-        "up_to_date": "Up-to-date"
+        "up_to_date": "Up-to-date",
+        "follow_tag": "Follow hashtag",
+        "unfollow_tag": "Unfollow hashtag"
     },
     "toast": {
         "no_translation_target_set": "No translation target language set - this may fail. Please set a target language in your settings."
diff --git a/src/main.js b/src/main.js
index 1fec81a2..01a44c96 100644
--- a/src/main.js
+++ b/src/main.js
@@ -21,6 +21,7 @@ import postStatusModule from './modules/postStatus.js'
 import announcementsModule from './modules/announcements.js'
 import editStatusModule from './modules/editStatus.js'
 import statusHistoryModule from './modules/statusHistory.js'
+import tagModule from './modules/tags.js'
 
 import { createI18n } from 'vue-i18n'
 
@@ -96,7 +97,8 @@ const persistedStateOptions = {
       postStatus: postStatusModule,
       announcements: announcementsModule,
       editStatus: editStatusModule,
-      statusHistory: statusHistoryModule
+      statusHistory: statusHistoryModule,
+      tags: tagModule
     },
     plugins,
     strict: false // Socket modifies itself, let's ignore this for now.
diff --git a/src/modules/tags.js b/src/modules/tags.js
new file mode 100644
index 00000000..cff54b7d
--- /dev/null
+++ b/src/modules/tags.js
@@ -0,0 +1,37 @@
+import { merge } from 'lodash'
+
+const tags = {
+  state: {
+    // Contains key = id, value = number of trackers for this poll
+    tags: {}
+  },
+  mutations: {
+    setTag (state, { name, data }) {
+      state.tags[name] = data
+    }
+  },
+  actions: {
+    getTag ({ rootState, commit }, tagName) {
+      return rootState.api.backendInteractor.getHashtag({ tag: tagName }).then(tag => {
+        commit('setTag', { name: tagName, data: tag })
+        return tag
+      })
+    },
+    followTag (store, tagName) {
+      return store.rootState.api.backendInteractor.followHashtag({ tag: tagName })
+        .then((resp) => {
+          store.commit('setTag', { name: tagName, data: resp })
+          return resp
+        })
+    },
+    unfollowTag ({ rootState, commit }, tag) {
+      return rootState.api.backendInteractor.unfollowHashtag({ tag })
+        .then((resp) => {
+          commit('setTag', { name: tag, data: resp })
+          return resp
+        })
+    }
+  }
+}
+
+export default tags
diff --git a/src/services/api/api.service.js b/src/services/api/api.service.js
index aeb43661..9e6f39f2 100644
--- a/src/services/api/api.service.js
+++ b/src/services/api/api.service.js
@@ -108,6 +108,9 @@ const PLEROMA_EDIT_ANNOUNCEMENT_URL = id => `/api/v1/pleroma/admin/announcements
 const PLEROMA_DELETE_ANNOUNCEMENT_URL = id => `/api/v1/pleroma/admin/announcements/${id}`
 const AKKOMA_SETTING_PROFILE_URL = (name) => `/api/v1/akkoma/frontend_settings/pleroma-fe/${name}`
 const AKKOMA_SETTING_PROFILE_LIST = `/api/v1/akkoma/frontend_settings/pleroma-fe`
+const MASTODON_TAG_URL = (name) => `/api/v1/tags/${name}`
+const MASTODON_FOLLOW_TAG_URL = (name) => `/api/v1/tags/${name}/follow`
+const MASTODON_UNFOLLOW_TAG_URL = (name) => `/api/v1/tags/${name}/unfollow`
 
 const oldfetch = window.fetch
 
@@ -1549,6 +1552,29 @@ const listSettingsProfiles = ({ credentials }) => {
   })
 }
 
+const getHashtag = ({ tag, credentials }) => {
+  return promisedRequest({
+    url: MASTODON_TAG_URL(tag),
+    credentials
+  })
+}
+
+const followHashtag = ({ tag, credentials }) => {
+  return promisedRequest({
+    url: MASTODON_FOLLOW_TAG_URL(tag),
+    method: 'POST',
+    credentials
+  })
+}
+
+const unfollowHashtag = ({ tag, credentials }) => {
+  return promisedRequest({
+    url: MASTODON_UNFOLLOW_TAG_URL(tag),
+    method: 'POST',
+    credentials
+  })
+}
+
 export const getMastodonSocketURI = ({ credentials, stream, args = {} }) => {
   return Object.entries({
     ...(credentials
@@ -1784,7 +1810,10 @@ const apiService = {
   getReports,
   updateReportStates,
   addNoteToReport,
-  deleteNoteFromReport
+  deleteNoteFromReport,
+  getHashtag,
+  followHashtag,
+  unfollowHashtag
 }
 
 export default apiService