Add a scope to the organisation model to include if the currentUser is a member or admin of which organisations (null indicates not a member nor an admin)

src/Database/Models/Organisation.php

@@ -253,4 +253,23 @@ class Organisation extends Model implements OrganisationInterface
                  ->where('user_id', $userId);
         });
     }
+
+    /**
+     * Query scope to get all organisations but indicate which the specified user is a member of.
+     *
+     * @param Builder $query
+     * @param int     $userId
+     *
+     * @return Builder
+     */
+    public function scopeWithUser($query, $userId)
+    {
+        $membersInner = DB::table('organisation_members')
+            ->selectRaw('organisation_id, 1 AS is_member, flag_admin AS is_admin')
+            ->where('user_id', $userId);
+        return $query
+            ->leftJoinSub($membersInner, 'user_orgs', function ($join) {
+                $join->on('user_orgs.organisation_id', '=', 'organisations.id');
+            });
+    }
 }