* @copyright Copyright (c) 2013 - 2017, Alex Tselegidis * @license http://opensource.org/licenses/GPL-3.0 - GPLv3 * @link http://easyappointments.org * @since v1.0.0 * ---------------------------------------------------------------------------- */ /** * Settings Model * * @package Models */ class Settings_Model extends CI_Model { /** * Get setting value from database. * * This method returns a system setting from the database. * * @expectedException Exception * * @param string $name The database setting name. * * @return string Returns the database value for the selected setting. */ public function get_setting($name) { if (!is_string($name)) { // Check argument type. throw new Exception('$name argument is not a string: ' . $name); } if ($this->db->get_where('ea_settings', array('name' => $name))->num_rows() == 0) { // Check if setting exists in db. throw new Exception('$name setting does not exist in database: ' . $name); } $query = $this->db->get_where('ea_settings', array('name' => $name)); $setting = ($query->num_rows() > 0) ? $query->row() : ''; return $setting->value; } /** * This method sets the value for a specific setting * on the database. If the setting doesn't exist, it * is going to be created, otherwise updated. * * @expectedException Exception * * @param string $name The setting name. * @param type $value The setting value. * * @return int Returns the setting database id. */ public function set_setting($name, $value) { if (!is_string($name)) { throw new Exception('$name argument is not a string: ' . $name); } $query = $this->db->get_where('ea_settings', array('name' => $name)); if ($query->num_rows() > 0) { // Update setting if (!$this->db->update('ea_settings', array('value' => $value), array('name' => $name))) { throw new Exception('Could not update database setting.'); } $setting_id = (int)$this->db->get_where('ea_settings', array('name' => $name))->row()->id; } else { // Insert setting $insert_data = array( 'name' => $name, 'value' => $value ); if (!$this->db->insert('ea_settings', $insert_data)) { throw new Exception('Could not insert database setting'); } $setting_id = (int)$this->db->insert_id(); } return $setting_id; } /** * Remove a setting from the database. * * @expectedException Exception * * @param string $name The setting name to be removed. * * @return bool Returns the delete operation result. */ public function remove_setting($name) { if (!is_string($name)) { throw new Exception('$name is not a string: ' . $name); } if ($this->db->get_where('ea_settings', array('name' => $name))->num_rows() == 0) { return FALSE; // There is no such setting. } return $this->db->delete('ea_settings', array('name' => $name)); } /** * Saves all the system settings into the database. * * This method is useful when trying to save all the system settings at once instead of * saving them one by one. * * @param array $settings Contains all the system settings. * * @return bool Returns the save operation result. * * @throws Exception When the update operation won't work for a specific setting. */ public function save_settings($settings) { if (!is_array($settings)) { throw new Exception('$settings argument is invalid: '. print_r($settings, TRUE)); } foreach($settings as $setting) { $this->db->where('name', $setting['name']); if (!$this->db->update('ea_settings', array('value' => $setting['value']))) { throw new Exception('Could not save setting (' . $setting['name'] . ' - ' . $setting['value'] . ')'); } } return TRUE; } /** * Returns all the system settings at once. * * @return array Array of all the system settings stored in the 'ea_settings' table. */ public function get_settings() { return $this->db->get('ea_settings')->result_array(); } }