From 7c275adfc898e4c971918005af20c5b48fbb542d Mon Sep 17 00:00:00 2001
From: notfire <notfire@posteo.net>
Date: Sun, 30 Mar 2025 14:33:29 -0400
Subject: [PATCH] add emoji reaction filtering

---
 README.md                                     |  3 ++
 .../emoji_reactions/emoji_reactions.js        | 48 +++++++++++++++++--
 .../emoji_reactions/emoji_reactions.vue       |  2 +-
 src/components/notification/notification.js   | 27 +++++++++++
 src/components/notification/notification.vue  |  2 +-
 .../settings_modal/tabs/filtering_tab.js      |  4 +-
 .../settings_modal/tabs/filtering_tab.vue     | 17 +++++++
 src/i18n/en.json                              |  2 +
 src/modules/config.js                         |  1 +
 src/modules/instance.js                       |  1 +
 10 files changed, 99 insertions(+), 8 deletions(-)

diff --git a/README.md b/README.md
index 867373f4..57c5407d 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,9 @@
     - polls can now have up to 20 options instead of 4
     - polls can now last anywhere from 1 second to 1000 years
 - optional alternate gravestone when using websockets that still shows post content but removes buttons
+- filters for reactions:
+    - matching by regex, domain-specific, or catch-all
+    - filters the actual reactions to post as well as notifications
 
 ---
 
diff --git a/src/components/emoji_reactions/emoji_reactions.js b/src/components/emoji_reactions/emoji_reactions.js
index 94464bf4..94aa3734 100644
--- a/src/components/emoji_reactions/emoji_reactions.js
+++ b/src/components/emoji_reactions/emoji_reactions.js
@@ -2,6 +2,8 @@ import UserAvatar from '../user_avatar/user_avatar.vue'
 import UserListPopover from '../user_list_popover/user_list_popover.vue'
 import StillImage from '../still-image/still-image.vue'
 
+import { toRaw } from 'vue'
+
 const EMOJI_REACTION_COUNT_CUTOFF = 12
 
 const findEmojiByReplacement = (state, replacement) => {
@@ -24,11 +26,6 @@ const EmojiReactions = {
     tooManyReactions () {
       return this.status.emoji_reactions.length > EMOJI_REACTION_COUNT_CUTOFF
     },
-    emojiReactions () {
-      return this.showAll
-        ? this.status.emoji_reactions
-        : this.status.emoji_reactions.slice(0, EMOJI_REACTION_COUNT_CUTOFF)
-    },
     showMoreString () {
       return `+${this.status.emoji_reactions.length - EMOJI_REACTION_COUNT_CUTOFF}`
     },
@@ -44,9 +41,50 @@ const EmojiReactions = {
     },
     loggedIn () {
       return !!this.$store.state.users.currentUser
+    },
+    filteredReactions () {
+      // this is fucking Jank.
+      var finalReacts = this.emojiReactions()
+      var tempList = []
+      var reactionsFilterItems = this.$store.getters.mergedConfig.reactionsFilterItems.split("\n")
+      if (reactionsFilterItems.length > 0 && finalReacts.length > 0) {
+        reactionsFilterItems.forEach((item) => {
+          var toPush = []
+          finalReacts.forEach((react) => {
+            var rawReact = toRaw(react)["name"]
+            
+            if (
+                // match regex
+                // >1 check is to prevent = just disabling all emoji reacts
+                 item.charAt(0) == "=" && item.length > 1 && rawReact.match(item.substring(1))
+                // match everything explicit, if there's an @
+              || rawReact == item.match(/.*@.*/) ? item : null
+                // match everything else
+              || (rawReact.match(/.*@.*/) ? rawReact.split("@")[0] : rawReact) == item
+            ) {
+              toPush.push(react)
+            } 
+          })
+
+          toPush.forEach((nice) => {
+            tempList.push(nice)
+          })
+        })
+      }
+
+      tempList.forEach((item) => {
+        finalReacts.splice(finalReacts.indexOf(item), 1)
+      })
+
+      return finalReacts
     }
   },
   methods: {
+    emojiReactions () {
+      return this.showAll
+        ? this.status.emoji_reactions
+        : this.status.emoji_reactions.slice(0, EMOJI_REACTION_COUNT_CUTOFF)
+    },
     toggleShowAll () {
       this.showAll = !this.showAll
     },
diff --git a/src/components/emoji_reactions/emoji_reactions.vue b/src/components/emoji_reactions/emoji_reactions.vue
index aab9f42e..c083625f 100644
--- a/src/components/emoji_reactions/emoji_reactions.vue
+++ b/src/components/emoji_reactions/emoji_reactions.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="emoji-reactions">
     <UserListPopover
-      v-for="(reaction) in emojiReactions"
+      v-for="(reaction) in filteredReactions"
       :key="reaction.url || reaction.name"
       :users="accountsForEmoji[reaction.url || reaction.name]"
     >
diff --git a/src/components/notification/notification.js b/src/components/notification/notification.js
index dc816ebb..bcdd9781 100644
--- a/src/components/notification/notification.js
+++ b/src/components/notification/notification.js
@@ -112,6 +112,33 @@ const Notification = {
           this.$store.dispatch('removeFollowRequest', this.user)
         })
       this.hideDenyConfirmDialog()
+    },
+    filtered (emoji) {
+      var isFiltered = false
+
+      if (emoji.match(/.*:.*/)) {
+        emoji = emoji.replaceAll(":", "")
+      }
+
+      var reactionsFilterItems = this.$store.getters.mergedConfig.reactionsFilterItems.split("\n")
+
+      if (reactionsFilterItems.length > 0)
+        reactionsFilterItems.forEach((item) => {
+          console.log(emoji)
+          if (
+            // match regex
+            // >1 check is to prevent = just disabling all emoji reacts
+             item.charAt(0) == "=" && item.length > 1 && emoji.match(item.substring(1))
+            // match everything explicit, if there's an @
+          || emoji == item.match(/.*@.*/) ? item : null
+            // match everything else
+          || (emoji.match(/.*@.*/) ? emoji.split("@")[0] : emoji) == item
+        ) {
+          isFiltered = true
+        } 
+      })
+
+      return isFiltered
     }
   },
   computed: {
diff --git a/src/components/notification/notification.vue b/src/components/notification/notification.vue
index d8fc95c3..d0dae94b 100644
--- a/src/components/notification/notification.vue
+++ b/src/components/notification/notification.vue
@@ -5,7 +5,7 @@
     :compact="true"
     :statusoid="notification.status"
   />
-  <div v-else>
+  <div v-else-if="(notification.emoji && !filtered(notification.emoji)) || !notification.emoji">
     <div
       v-if="needMute && !unmuted"
       class="Notification container -muted"
diff --git a/src/components/settings_modal/tabs/filtering_tab.js b/src/components/settings_modal/tabs/filtering_tab.js
index d3bb40c3..400b7fb0 100644
--- a/src/components/settings_modal/tabs/filtering_tab.js
+++ b/src/components/settings_modal/tabs/filtering_tab.js
@@ -2,6 +2,7 @@ import { filter, trim, debounce } from 'lodash'
 import BooleanSetting from '../helpers/boolean_setting.vue'
 import ChoiceSetting from '../helpers/choice_setting.vue'
 import IntegerSetting from '../helpers/integer_setting.vue'
+import TextSetting from '../helpers/text_setting.vue'
 
 import SharedComputedObject from '../helpers/shared_computed_object.js'
 
@@ -19,7 +20,8 @@ const FilteringTab = {
   components: {
     BooleanSetting,
     ChoiceSetting,
-    IntegerSetting
+    IntegerSetting,
+    TextSetting
   },
   computed: {
     ...SharedComputedObject(),
diff --git a/src/components/settings_modal/tabs/filtering_tab.vue b/src/components/settings_modal/tabs/filtering_tab.vue
index 7160b1fd..8066d73b 100644
--- a/src/components/settings_modal/tabs/filtering_tab.vue
+++ b/src/components/settings_modal/tabs/filtering_tab.vue
@@ -115,6 +115,23 @@
         </li>
       </ul>
     </div>
+    <div
+      class="setting-item"
+    >
+      <h2>{{ $t('settings.notification_setting_reactions') }}</h2>
+      <ul class="setting-list">
+        <li>
+          <h3>{{ $t('settings.reactions_filter') }}</h3>
+          <TextSetting
+            id="reactionsFilterItems"
+            path="reactionsFilterItems"
+          >
+          </TextSetting>
+          <!-- this is fucking stupid but for some reason the internationalization stuff (Not calling it i18n) hates this, so taking the liberty to also add styling -->
+          <div>Put reactions to remove in this box (formatted like reaction, no colons), one line for each. Results get matched like:<br><b><code>reaction</code></b> is a catch-all for all domains<br><b><code>reaction@domain.tld</code></b> is a reaction for a specific domain<br><b><code>=reaction</code></b> is a match via regex</div>
+        </li>
+      </ul>
+    </div>
   </div>
 </template>
 <script src="./filtering_tab.js"></script>
diff --git a/src/i18n/en.json b/src/i18n/en.json
index 6a4e90db..5fcc477e 100644
--- a/src/i18n/en.json
+++ b/src/i18n/en.json
@@ -686,6 +686,7 @@
         "notification_setting_hide_if_cw": "Hide the contents of push notifications if under a Content Warning",
         "notification_setting_hide_notification_contents": "Hide the sender and contents of push notifications",
         "notification_setting_privacy": "Privacy",
+        "notification_setting_reactions": "Reactions",
         "notification_setting_sounds": "Sounds",
         "notification_visibility": "Types of notifications to show",
         "notification_visibility_bites": "Bites",
@@ -719,6 +720,7 @@
         },
         "profile_tab": "Profile",
         "radii_help": "Set up interface edge rounding (in pixels)",
+        "reactions_filter": "Filter reactions by name",
         "recurse_search": "When searching, run searches until no results are found anymore",
         "recurse_search_limit": "Number of posts to stop recurse searching at (>300 will cause massive performance issues)",
         "refresh_token": "Refresh token",
diff --git a/src/modules/config.js b/src/modules/config.js
index c54d95ce..daa27d73 100644
--- a/src/modules/config.js
+++ b/src/modules/config.js
@@ -124,6 +124,7 @@ export const defaultState = {
   boostsFollowDefVis: false,
   searchPaginationLimit: 40,
   sillyFeatures: false,
+  reactionsFilterItems: '',
   recurseSearch: false,
   recurseSearchLimit: 100,
   renderMisskeyMarkdown: undefined,
diff --git a/src/modules/instance.js b/src/modules/instance.js
index 5715e87b..85dcab9a 100644
--- a/src/modules/instance.js
+++ b/src/modules/instance.js
@@ -80,6 +80,7 @@ const defaultState = {
   deletePostsStreaming: true,
   searchPaginationLimit: 40,
   sillyFeatures: false,
+  reactionsFilterItems: '',
   recurseSearch: false,
   recurseSearchLimit: 100,
   renderMisskeyMarkdown: true,