Added #21 for checking database record exists, added has() method on database.

Author: timothymarois

CHANGELOG.md

@@ -1,6 +1,9 @@
 Change Log
 ==========
 
+### 08/13/2018 - 1.0.19
+* Added #21 for checking database record exists, added `has()` method on database.
+
 ### 07/14/2018 - 1.0.18
 * Fixed #17 for PHP 5.6
 * Replaced the spaceship operators with a php 5.6 alternative.

README.md

@@ -60,6 +60,14 @@ $item->tags  = ['php','developer','html5'];
 // need to save? thats easy!
 $item->save();
 
+
+// check if a record exists and do something if it does or does not
+if ($database->has('kingslayer'))
+{
+    // do some action
+}
+
+
 // Need to find all the users that have a tag for "php" ?
 $users = $db->query()->where('tags','IN','php')->results();
 
@@ -129,6 +137,7 @@ $userId = '92832711';
 
 // get the user information by id
 $item = $db->get($userId);
+
 ```
 
 `get()` returns `\Filebase\Document` object and has its own methods which you can call.
@@ -205,7 +214,8 @@ Here is a list of methods you can use on the database class.
 |Method|Details|
 |---|---|
 |`version()`                      | Current version of your Filebase library |
-|`get()`                          | Refer to [get()](https://github.com/filebase/Filebase#3-get-and-methods) |
+|`get($id)`                       | Refer to [get()](https://github.com/filebase/Filebase#3-get-and-methods) |
+|`has($id)`                       | Check if a record exist returning true/false |
 |`findAll()`                      | Returns all documents in database |
 |`count()`                        | Number of documents in database |
 |`flush(true)`                    | Deletes all documents. |

src/Database.php

@@ -148,6 +148,27 @@ public function get($id)
     //--------------------------------------------------------------------
 
 
+    /**
+    * has
+    *
+    * Check if a record already exists
+    *
+    * @param mixed $id
+    *
+    * @return bool true/false
+    */
+    public function has($id)
+    {
+        $format = $this->config->format;
+        $record = Filesystem::read( $this->config->dir.'/'.Filesystem::validateName($id, $this->config->safe_filename).'.'.$format::getFileExtension() );
+
+        return $record ? true : false;
+    }
+
+
+    //--------------------------------------------------------------------
+
+
     /**
     * backup
     *

tests/DocumentTest.php

@@ -38,6 +38,42 @@ public function testSave()
     //--------------------------------------------------------------------
 
 
+
+
+        /**
+        * testDoesNotExist()
+        *
+        * TEST CASE:
+        * - Save document with data
+        * - Get the document
+        * - Check that the data is there and the document exist
+        *
+        */
+        public function testDoesNotExist()
+        {
+            $db = new \Filebase\Database([
+                'dir'   => __DIR__.'/databases',
+                'cache' => false
+            ]);
+
+            $db->flush(true);
+
+            // get saved data (put into array)
+            $doc = $db->get('doesexist')->save(['key'=>'value']);
+
+            $this->assertEquals(true, $db->has('doesexist'));
+
+            $this->assertEquals(false, $db->has('doesnotexist'));
+
+            $db->flush(true);
+        }
+
+
+        //--------------------------------------------------------------------
+
+
+
+
     /**
     * testSetIdGetId()
     *

tests/QueryTest.php

@@ -369,7 +369,7 @@ public function testLimitOffset()
     */
     public function testSelectQuery()
     {
-        /*$db = new \Filebase\Database([
+        $db = new \Filebase\Database([
             'dir' => __DIR__.'/databases/users_select',
             'cache' => false
         ]);
@@ -416,7 +416,7 @@ public function testSelectQuery()
 
         // select using arrays instead of strings
         $test3 = $db->query()->select(['name','email'])->first();
-        $this->assertEquals(['JR MM','jrmm@email.com'], [$test3['name'],$test3['email']]);*/
+        $this->assertEquals(['JR MM','jrmm@email.com'], [$test3['name'],$test3['email']]);
 
         // return the "name" (selecting only 1 item)
         // currently DOES not work with nested..