linagora#180 fixed duplicate addressbooks showing up when an adressbo…

…ok is publicly shared and delegated to a user

src/linagora.esn.contact/app/sidebar/sidebar.controller.js

@@ -150,7 +150,23 @@ function ContactSidebarController(
     var categories = contactAddressbookDisplayService.categorizeDisplayShells(self.displayShells);
 
     self.userAddressbooks = categories.userAddressbooks;
-    self.sharedAddressbooks = categories.sharedAddressbooks;
+    self.sharedAddressbooks = _getUniqueSharedAddressbooks(categories.sharedAddressbooks);
     self.virtualAddressbooks = categories.virtualAddressbooks;
   }
+
+  function _getUniqueSharedAddressbooks(addressbooks) {
+    if (!addressbooks) return;
+
+    const uniqueAddressbookList = addressbooks.reduce((acc, current) => {
+      const { source: { href } } = current.shell;
+
+      if (!acc[href]) {
+        acc[href] = current;
+      }
+
+      return acc;
+    }, {});
+
+    return Object.values(uniqueAddressbookList);
+  }
 }