Start

app/System.php

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+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+
+class System extends Model
+{
+    /**
+     * The attributes that aren't mass assignable.
+     *
+     * @var array
+     */
+    protected $guarded = ['id'];
+
+    /**
+     * Indicates if the model should be timestamped.
+     *
+     * @var bool
+     */
+    public $timestamps = false;
+
+    public static function getVersion()
+    {
+        $row = self::where('key', 'version')
+                ->first();
+
+        if (! empty($row)) {
+            return $row->value;
+        } else {
+        }
+    }
+
+    public static function updateSystem($rows)
+    {
+        foreach ($rows as $key => $value) {
+            self::where('key', $key)
+                ->update(['value' => $value]);
+        }
+    }
+
+    /**
+     * Returns the date formats
+     */
+    public static function dateFormats()
+    {
+        return [
+            'd-m-Y' => 'dd-mm-yyyy',
+            'm-d-Y' => 'mm-dd-yyyy',
+            'd/m/Y' => 'dd/mm/yyyy',
+            'm/d/Y' => 'mm/dd/yyyy',
+        ];
+    }
+
+    /**
+     * Return the value of the given key
+     *
+     * @param $key string
+     * @return mixed
+     */
+    public static function getValue($key)
+    {
+        $row = self::where('key', $key)
+                ->first();
+
+        if (isset($row->value)) {
+            return $row->value;
+        }
+
+        return null;
+    }
+}