Implement user searching & minor search refactor

src/Core/Repositories/DiscussionRepositoryInterface.php

@@ -5,7 +5,7 @@ use Flarum\Core\Models\User;
 interface DiscussionRepositoryInterface
 {
     /**
-     * Get a new query builder for ths discussions table.
+     * Get a new query builder for the discussions table.
      *
      * @return \Illuminate\Database\Eloquent\Builder
      */

src/Core/Repositories/EloquentDiscussionRepository.php

@@ -7,7 +7,7 @@ use Flarum\Core\Models\User;
 class EloquentDiscussionRepository implements DiscussionRepositoryInterface
 {
     /**
-     * Get a new query builder for ths discussions table.
+     * Get a new query builder for the discussions table.
      *
      * @return \Illuminate\Database\Eloquent\Builder
      */

src/Core/Repositories/EloquentUserRepository.php

@@ -5,6 +5,16 @@ use Flarum\Core\Models\User;
 
 class EloquentUserRepository implements UserRepositoryInterface
 {
+    /**
+     * Get a new query builder for the users table.
+     *
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function query()
+    {
+        return User::query();
+    }
+
     /**
      * Find a user by ID, optionally making sure it is visible to a certain
      * user, or throw an exception.
@@ -49,6 +59,24 @@ class EloquentUserRepository implements UserRepositoryInterface
         return $this->scopeVisibleForUser($query, $user)->pluck('id');
     }
 
+    /**
+     * Find users by matching a string of words against their username,
+     * optionally making sure they are visible to a certain user.
+     *
+     * @param  string  $string
+     * @param  \Flarum\Core\Models\User|null  $user
+     * @return array
+     */
+    public function getIdsForUsername($string, User $user = null)
+    {
+        $query = User::select('id')
+            ->where('username', 'like', '%'.$string.'%')
+            ->orderByRaw('username = ? desc', [$string])
+            ->orderByRaw('username like ? desc', [$string.'%']);
+
+        return $this->scopeVisibleForUser($query, $user)->lists('id');
+    }
+
     /**
      * Scope a query to only include records that are visible to a user.
      *

src/Core/Repositories/UserRepositoryInterface.php

@@ -4,6 +4,13 @@ use Flarum\Core\Models\User;
 
 interface UserRepositoryInterface
 {
+    /**
+     * Get a new query builder for the users table.
+     *
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function query();
+
     /**
      * Find a user by ID, optionally making sure it is visible to a certain
      * user, or throw an exception.
@@ -32,4 +39,14 @@ interface UserRepositoryInterface
      * @return integer|null
      */
     public function getIdForUsername($username, User $user = null);
+
+    /**
+     * Find users by matching a string of words against their username,
+     * optionally making sure they are visible to a certain user.
+     *
+     * @param  string  $string
+     * @param  \Flarum\Core\Models\User|null  $user
+     * @return array
+     */
+    public function getIdsForUsername($string, User $user = null);
 }