Completed advanced info

src/helpers/FriendsHelper.ts

@@ -57,4 +57,27 @@ export class FriendsHelper {
 			}
 		}) > 0;
 	}
+
+	/**
+	 * Check out whether friendship allows to create posts or not
+	 * 
+	 * @param userID User wishing to create a post
+	 * @param targetID Target user ID
+	 */
+	public static async CanPostTexts(userID: number, targetID: number) : Promise<boolean> {
+		const result = await DatabaseHelper.QueryRow({
+			table: FRIENDS_TABLE,
+			where: {
+				ID_personne: targetID,
+				ID_amis: userID,
+				actif: 1
+			},
+			fields: ["autoriser_post_page"]
+		});
+
+		if(result == null)
+			return false;
+		
+		return result["autoriser_post_page"] == 1;
+	}
 }

src/helpers/UserHelper.ts

@@ -125,6 +125,50 @@ export class UserHelper {
 		return (await this.GetUserInfo(userID)).pageStatus;
 	}
 
+	/**
+	 * Check out whether a user allows posts from his 
+	 * friends on his page or not
+	 * 
+	 * This is a convenience method
+	 * 
+	 * @param userID Target user ID
+	 */
+	private static async AllowPostsOnHisPage(userID: number) : Promise<boolean> {
+		return (await this.GetUserInfo(userID)).allowPostsFromFriends;
+	}
+
+	/**
+	 * Check out whether a user can create a post on another user
+	 * page
+	 * 
+	 * @param userID The user who wish to create a post
+	 * @param targetID The target page
+	 */
+	public static async CanCreatePosts(userID: number, targetID: number) {
+		
+		// User MUST be signed in
+		if(userID < 1)
+			return false;
+		
+		// A user can always create posts on his page
+		if(userID == targetID) return true;
+
+		// User must be able to see the page
+		if(!await this.CanSeeUserPage(userID, targetID))
+			return false;
+		
+		//Check if the user allow posts on his page
+		if(!await this.AllowPostsOnHisPage(targetID))
+			return false;
+		
+		//Check if the friendship of the user allows him to create posts
+		if(!await FriendsHelper.CanPostTexts(userID, targetID))
+			return false;
+
+		// yes by default
+		return true;
+	}
+
 
 	private static async DbToUser(row: any) : Promise<User> {
 		return new User({