new command: gh > delete database

Author: gharlan

README.md

@@ -78,6 +78,7 @@ To search through your GitHub Enterprise instance replace `gh` by `ghe`.
 * `gh > login`
 * `gh > logout`
 * `gh > delete cache`
+* `gh > delete database`
 * `gh > update`
 * `gh > activate autoupdate`
 * `gh > deactivate autoupdate`

action.php

@@ -55,6 +55,11 @@
         echo 'Successfully deleted cache';
         break;
 
+    case 'delete-database':
+        Workflow::deleteDatabase();
+        echo 'Successfully deleted database';
+        break;
+
     case 'refresh-cache':
         $curl = new Curl();
         foreach (explode(',', $parts[2]) as $url) {

search.php

@@ -485,6 +485,7 @@ private static function addSystemCommands()
         $cmds = array(
             'delete cache' => 'Delete GitHub Cache',
             'logout' => 'Log out this workflow',
+            'delete database' => 'Delete database (contains login, config and cache)',
             'update' => 'Update this Alfred workflow'
         );
         if (Workflow::getConfig('autoupdate', true)) {

workflow.php

@@ -11,6 +11,7 @@ class Workflow
 
     private static $filePids;
 
+    private static $fileDb;
     /** @var PDO */
     private static $db;
     /** @var PDOStatement[] */
@@ -48,17 +49,11 @@ public static function init($enterprise = false, $query = null, $hotkey = false)
 
         self::$filePids = $dataDir . '/pid';
 
-        $fileDb = $dataDir . '/db.sqlite';
-        $exists = file_exists($fileDb);
-        self::$db = new PDO('sqlite:' . $fileDb, null, null);
+        self::$fileDb = $dataDir . '/db.sqlite';
+        $exists = file_exists(self::$fileDb);
+        self::$db = new PDO('sqlite:' . self::$fileDb, null, null);
         if (!$exists) {
-            self::$db->exec('
-                CREATE TABLE config (
-                    key TEXT PRIMARY KEY,
-                    value TEXT
-                )
-            ');
-            self::createRequestCacheTable();
+            self::createTables();
         }
 
         if (self::$enterprise) {
@@ -342,18 +337,33 @@ public static function checkUpdate()
         return version_compare($version, self::VERSION) > 0;
     }
 
-    private static function createRequestCacheTable()
+    private static function createTables()
     {
+        self::$db->exec('
+            CREATE TABLE config (
+                key TEXT PRIMARY KEY NOT NULL,
+                value TEXT
+            ) WITHOUT ROWID
+        ');
+
         self::$db->exec('
             CREATE TABLE request_cache (
-                url TEXT PRIMARY KEY,
-                timestamp INTEGER,
+                url TEXT PRIMARY KEY NOT NULL,
+                timestamp INTEGER NOT NULL,
                 etag TEXT,
                 content TEXT,
                 refresh INTEGER,
                 parent TEXT
-            )
+            ) WITHOUT ROWID
         ');
+        self::$db->exec('CREATE INDEX parent_url ON request_cache(parent) WHERE parent IS NOT NULL');
+    }
+
+    public static function deleteDatabase()
+    {
+        self::closeCursors();
+        self::$db = null;
+        unlink(self::$fileDb);
     }
 
     public static function addItem(Item $item, $check = true)