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[ci skip] Improve performance of getting last note

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This commit is contained in:
Filipa Lacerda 2017-08-10 12:25:59 +01:00
parent 3e0a76dae6
commit c438106732
1 changed files with 8 additions and 10 deletions
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18
app/assets/javascripts/notes/stores/getters.js
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@ -1,3 +1,5 @@
import _ from 'underscore';
export const notes = state => state.notes;
export const targetNoteHash = state => state.targetNoteHash;
@ -16,15 +18,11 @@ export const notesById = state => state.notes.reduce((acc, note) => {
}, {});
const reverseNotes = array => array.slice(0).reverse();
const isLastNote = (note, userId) => !note.system && note.author.id === userId;
const isLastNote = (note, state) => !note.system && note.author.id === state.userData.id;
export const getCurrentUserLastNote = state => userId => reverseNotes(state.notes)
.reduce((acc, note) => {
acc.push(reverseNotes(note.notes).find(el => isLastNote(el, userId)));
return acc;
}, []).filter(el => el !== undefined)[0];
// eslint-disable-next-line no-unused-vars
export const getDiscussionLastNote = state => (discussion, userId) => reverseNotes(discussion.notes)
.find(el => isLastNote(el, userId));
export const getCurrentUserLastNote = state => _.flatten(reverseNotes(state.notes)
.map(note => note.notes))
.find(el => isLastNote(el, state));
export const getDiscussionLastNote = state => discussion => reverseNotes(discussion.notes)
.find(el => isLastNote(el, state));