✨ add previous() and next() methods

Signed-off-by: otengkwame <[email protected]>

Author: otengkwame

Core/core/Models/EasyModel.php

@@ -431,7 +431,7 @@ public function getRowResult($query, $last = false)
      * @param integer|string $optionalValue (Optional)
      * @param string         $orderBy (Optional)
      *
-     * @return object database results
+     * @return array|object database results
      */
     public function get($idOrRow = null, $optionalValue = null, $orderBy = null)
     {
@@ -1496,6 +1496,50 @@ public function orderBy($orderby, $direction = '')
         return $this;
     }
 
+    /**
+     * Retrieve previous record in 
+     * a given table
+     *
+     * @param int $currentId
+     * @param string $fields
+     * @return array|object
+     */
+    public function previous($currentId, $fields = '*')
+    {
+        $this->db->select($fields)
+            ->from($this->table)
+            ->where('id <', $currentId)
+            ->order_by('id', 'desc')
+            ->limit(1);
+        
+        $query = $this->db->get();
+        
+        return $this->getRowResult($query);
+
+    }
+
+    /**
+     * Retrieve next record in 
+     * a given table
+     *
+     * @param int $currentId
+     * @param string $fields
+     * @return array|object
+     */
+    public function next($currentId, $fields = '*')
+    {
+        $this->db->select($fields)
+            ->from($this->table)
+            ->where('id >', $currentId)
+            ->order_by('id', 'asc')
+            ->limit(1);
+        
+        $query = $this->db->get();
+        
+        return $this->getRowResult($query);
+
+    }
+
     /**
      * latest function
      *