diff --git a/src/graphql/object_resolvers/messages.ts b/src/graphql/object_resolvers/messages.ts
index 8e9a6c49b889db14756c831bbac6b88215b94326..6b727b0098b73bfc9a510f3232fd05a881d6e75d 100644
--- a/src/graphql/object_resolvers/messages.ts
+++ b/src/graphql/object_resolvers/messages.ts
@@ -8,6 +8,7 @@ import {User} from './users';
 import knex from '../../../db/knex_router';
 import { Context } from '../typeDefs/queries';
 import { ApolloError } from 'apollo-server-core';
+import { GroupSet } from '../models/tools';
 
 export abstract class Message {
 
@@ -153,6 +154,8 @@ export class Announcement extends Message {
      */
     constructor(mid: number) {
         super(mid);
+        this.m_authors = new GroupSet();
+        this.m_recipients = new GroupSet();
     }
 
     /**
@@ -201,12 +204,28 @@ export class Announcement extends Message {
                 this.m_views = m.views;
 
                 this.m_dataLoaded = true;
-                return true;
             }
             else {
                 return false;
             }
+
+            //Charge les authors dans m_authors
+
+            data = await knex.select('gid').from('announcements_authors').where('mid', this.mid);
+
+            for(let t of data) {
+                this.m_authors.add(t.gid);
+            }
+
+            //Charge les recipients dans m_recipients
+            
+            data = await knex.select('gid').from('announcements_recipients').where('mid', this.mid);
+
+            for (let t of data) {
+                this.m_authors.add(t.gid);
+            }
         }
+
         return true;
     }
 
@@ -219,6 +238,8 @@ export class Announcement extends Message {
      */
     protected m_importance: number
     protected m_views : number
+    protected m_authors : GroupSet
+    protected m_recipients : GroupSet
 
     /**
      * Ci-dessous les resolvers a proprement parler.
@@ -234,7 +255,7 @@ export class Announcement extends Message {
      */
     async authors(args, context: Context, info): Promise<Group[]> {
         throw "Not implemented";
-
+    
         /*return knex.select({ uid: 'group' }).from('group_message_relationships')
             .where('message', messageID).whereIn('status', ['host', 'publish']);*/
     }