Update location and databasehost services to use repositories

Includes unit tests for both services

app/Repositories/Eloquent/DatabaseHostRepository.php

@@ -0,0 +1,67 @@
+<?php
+/*
+ * Pterodactyl - Panel
+ * Copyright (c) 2015 - 2017 Dane Everitt <dane@daneeveritt.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+namespace Pterodactyl\Repositories\Eloquent;
+
+use Pterodactyl\Contracts\Repository\DatabaseHostInterface;
+use Pterodactyl\Exceptions\DisplayException;
+use Pterodactyl\Exceptions\Repository\RecordNotFoundException;
+use Pterodactyl\Models\DatabaseHost;
+
+class DatabaseHostRepository extends EloquentRepository implements DatabaseHostInterface
+{
+    /**
+     * Setup the model to be used.
+     *
+     * @return string
+     */
+    public function model()
+    {
+        return DatabaseHost::class;
+    }
+
+    /**
+     * Delete a database host from the DB if there are no databases using it.
+     *
+     * @param  int $id
+     * @return bool|null
+     *
+     * @throws \Pterodactyl\Exceptions\DisplayException
+     * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
+     */
+    public function deleteIfNoDatabases($id)
+    {
+        $instance = $this->getBuilder()->withCount('databases')->find($id);
+
+        if (! $instance) {
+            throw new RecordNotFoundException();
+        }
+
+        if ($instance->databases_count > 0) {
+            throw new DisplayException('Cannot delete a database host that has active databases attached to it.');
+        }
+
+        return $instance->delete();
+    }
+}

app/Repositories/Eloquent/LocationRepository.php

@@ -0,0 +1,90 @@
+<?php
+/*
+ * Pterodactyl - Panel
+ * Copyright (c) 2015 - 2017 Dane Everitt <dane@daneeveritt.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+namespace Pterodactyl\Repositories\Eloquent;
+
+use Pterodactyl\Models\Location;
+use Pterodactyl\Exceptions\DisplayException;
+use Pterodactyl\Exceptions\Repository\RecordNotFoundException;
+use Pterodactyl\Contracts\Repository\LocationRepositoryInterface;
+
+class LocationRepository extends EloquentRepository implements LocationRepositoryInterface
+{
+    /**
+     * @var string
+     */
+    protected $searchTerm;
+
+    /**
+     * Setup model.
+     *
+     * @return string
+     */
+    public function model()
+    {
+        return Location::class;
+    }
+
+    /**
+     * Setup the model for search abilities.
+     *
+     * @param  $term
+     * @return $this
+     */
+    public function search($term)
+    {
+        if (empty($term)) {
+            return $this;
+        }
+
+        $clone = clone $this;
+        $clone->searchTerm = $term;
+
+        return $clone;
+    }
+
+    /**
+     * Delete a location only if there are no nodes attached to it.
+     *
+     * @param  $id
+     * @return bool|mixed|null
+     *
+     * @throws \Pterodactyl\Exceptions\DisplayException
+     * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
+     */
+    public function deleteIfNoNodes($id)
+    {
+        $location = $this->getBuilder()->with('nodes')->find($id);
+
+        if (! $location) {
+            throw new RecordNotFoundException();
+        }
+
+        if ($location->nodes_count > 0) {
+            throw new DisplayException('Cannot delete a location that has nodes assigned to it.');
+        }
+
+        return $location->delete();
+    }
+}