From 792ca08d036aacbd3fd9f3ea2b1795672ce31a02 Mon Sep 17 00:00:00 2001
From: Alex Gleason <alex@alexgleason.me>
Date: Thu, 21 May 2020 23:52:10 -0500
Subject: [PATCH] Implement getReactForStatus(), start oneEmojiPerAccount()

---
 .../utils/__tests__/emoji_reacts-test.js      | 12 +++++------
 app/gabsocial/utils/emoji_reacts.js           | 21 ++++++++++++++++---
 2 files changed, 24 insertions(+), 9 deletions(-)

diff --git a/app/gabsocial/utils/__tests__/emoji_reacts-test.js b/app/gabsocial/utils/__tests__/emoji_reacts-test.js
index aad46335c..4e3cdd6f3 100644
--- a/app/gabsocial/utils/__tests__/emoji_reacts-test.js
+++ b/app/gabsocial/utils/__tests__/emoji_reacts-test.js
@@ -121,14 +121,14 @@ describe('oneEmojiPerAccount', () => {
   it('reduces to one react per account', () => {
     const emojiReacts = fromJS([
       // Sorted
-      { 'count': 20, 'me': true,  'name': '👍', accounts: [{ id: '1' }, { id: '2' }] },
-      { 'count': 15, 'me': true,  'name': '❤', accounts: [{ id: '1' }, { id: '2' }] },
-      { 'count': 7,  'me': true,  'name': '😯', accounts: [{ id: '1' }] },
-      { 'count': 7,  'me': false, 'name': '😂', accounts: [{ id: '3' }] },
+      { 'count': 2, 'me': true,  'name': '👍', accounts: [{ id: '1' }, { id: '2' }] },
+      { 'count': 2, 'me': true,  'name': '❤', accounts: [{ id: '1' }, { id: '2' }] },
+      { 'count': 1,  'me': true,  'name': '😯', accounts: [{ id: '1' }] },
+      { 'count': 1,  'me': false, 'name': '😂', accounts: [{ id: '3' }] },
     ]);
     expect(oneEmojiPerAccount(emojiReacts)).toEqual(fromJS([
-      { 'count': 20, 'me': true,  'name': '👍', accounts: [{ id: '1' }, { id: '2' }] },
-      { 'count': 7,  'me': false, 'name': '😂', accounts: [{ id: '3' }] },
+      { 'count': 2, 'me': true,  'name': '👍', accounts: [{ id: '1' }, { id: '2' }] },
+      { 'count': 1,  'me': false, 'name': '😂', accounts: [{ id: '3' }] },
     ]));
   });
 });
diff --git a/app/gabsocial/utils/emoji_reacts.js b/app/gabsocial/utils/emoji_reacts.js
index 4d49c0783..1f352c7e8 100644
--- a/app/gabsocial/utils/emoji_reacts.js
+++ b/app/gabsocial/utils/emoji_reacts.js
@@ -1,4 +1,7 @@
-import { Map as ImmutableMap } from 'immutable';
+import {
+  Map as ImmutableMap,
+  List as ImmutableList,
+} from 'immutable';
 
 // https://emojipedia.org/facebook/
 export const ALLOWED_EMOJI = [
@@ -31,7 +34,13 @@ export const mergeEmojiFavourites = (emojiReacts, favouritesCount) => {
 };
 
 export const oneEmojiPerAccount = emojiReacts => {
-  return; // TODO
+  emojiReacts = emojiReacts.reverse();
+  return emojiReacts.reduce((acc, cur) => {
+    if (acc.filter(
+      e => e.get('me') && e.get('name') !== cur.get('name')
+    ).length > 0) return acc.delete(cur); // FIXME: Incomplete
+    return acc;
+  }, emojiReacts).reverse();
 };
 
 export const filterEmoji = emojiReacts => (
@@ -45,5 +54,11 @@ export const reduceEmoji = (emojiReacts, favouritesCount) => (
   )))));
 
 export const getReactForStatus = status => {
-  return; // TODO
+  const emojiReacts = status.getIn(['pleroma', 'emoji_reactions'], ImmutableList());
+  const emojiReact = emojiReacts.reduce((acc, cur) => {
+    if (acc) return acc;
+    if (cur.get('me') === true) return cur.get('name');
+    return acc;
+  }, false);
+  return emojiReact ? emojiReact : status.get('favourited') && '👍';
 };