From a78287a77722483a99784c96c694044c22c6921b Mon Sep 17 00:00:00 2001
From: Jimmy Huynh <jimmy.huynh@etu.unistra.fr>
Date: Thu, 28 Jan 2021 16:24:44 +0100
Subject: (+) Blocking multiple sharing request to the same user

Signed-off-by: Marco Nassabain <marco.nassabain@hotmail.com>
---
 js/controller/ShareController.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'js')

diff --git a/js/controller/ShareController.js b/js/controller/ShareController.js
index 2977dc2c2..57722f416 100644
--- a/js/controller/ShareController.js
+++ b/js/controller/ShareController.js
@@ -25,7 +25,17 @@ app.controller('ShareController', function (ShareResource) {
         });
     };
 
+    // Dict <itemId, List<Int>(user_id)>: Local mapping b/w users & articles: [Article 1 : <Jimmy, Aurelien, ...>, Article 2: <...>]
+    this.usersSharedArticles = {};
+
     this.shareItem = function(itemId, userId) {
+        if (this.usersSharedArticles[itemId] && this.usersSharedArticles[itemId].includes(userId)) {return ; }
+
+        // quick initialization (instead of if (...) : [])
+        this.usersSharedArticles[itemId] = this.usersSharedArticles[itemId] ? this.usersSharedArticles[itemId] : [];
+
+        this.usersSharedArticles[itemId].push(userId);
+        
         var response = ShareResource.shareItem(itemId, userId);
         response.then((result) => {
             return result;
-- 
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