1: <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); 
  2: 
  3: class Providers_Model extends CI_Model {
  4:     /**
  5:      * Class Constructor
  6:      */
  7:     public function __construct() {
  8:         parent::__construct();
  9:     }
 10:     
 11:     /**
 12:      * Get a specific row from the providers table.
 13:      * 
 14:      * @param int $provider_id The record's id to be returned.
 15:      * @return array Returns an associative array with the selected
 16:      * record's data. Each key has the same name as the database 
 17:      * field names.
 18:      */
 19:     public function get_row($provider_id) {
 20:         if (!is_numeric($provider_id)) {
 21:             throw new InvalidArgumentException('$provider_id argument is not an integer : ' . $provider_id);
 22:         }
 23:         return $this->db->get_where('ea_users', array('id' => $provider_id))->row_array();
 24:     }
 25:     
 26:     /**
 27:      * Get a specific field value from the database.
 28:      * 
 29:      * @param string $field_name The field name of the value to be
 30:      * returned.
 31:      * @param int $provider_id The selected record's id.
 32:      * @return string Returns the records value from the database.
 33:      */
 34:     public function get_value($field_name, $provider_id) {
 35:         if (!is_numeric($provider_id)) {
 36:             throw new InvalidArgumentException('Invalid argument provided as $customer_id : ' . $provider_id);
 37:         }
 38:         
 39:         if (!is_string($field_name)) {
 40:             throw new InvalidArgumentException('$field_name argument is not a string : ' . $field_name);
 41:         }
 42:         
 43:         if ($this->db->get_where('ea_users', array('id' => $provider_id))->num_rows() == 0) {
 44:             throw new InvalidArgumentException('The record with the $provider_id argument does not exist in the database : ' . $provider_id);
 45:         }
 46:         
 47:         $row_data = $this->db->get_where('ea_users', array('id' => $provider_id))->row_array();
 48:         if (!isset($row_data[$field_name])) {
 49:             throw new InvalidArgumentException('The given $field_name argument does not exist in the database : ' . $field_name);
 50:         }
 51:         
 52:         return $this->db->get_where('ea_users', array('id' => $provider_id))->row_array()[$field_name];
 53:     }
 54:     
 55:     /**
 56:      * Get all, or specific records from provider's table.
 57:      * 
 58:      * @example $this->Model->getBatch('id = ' . $recordId);
 59:      * 
 60:      * @param string $whereClause (OPTIONAL) The WHERE clause of  
 61:      * the query to be executed. DO NOT INCLUDE 'WHERE' KEYWORD.
 62:      * @return array Returns the rows from the database.
 63:      */
 64:     public function get_batch($where_clause = '') {
 65:         $providers_role_id = $this->get_providers_role_id();
 66:         
 67:         if ($where_clause != '') {
 68:             $this->db->where($where_clause);
 69:         }
 70:         
 71:         $this->db->where('id_roles', $providers_role_id);
 72:         
 73:         return $this->db->get('ea_users')->result_array();
 74:     }
 75:     
 76:     /**
 77:      * This method returns the available providers and 
 78:      * the services that can provide.
 79:      * 
 80:      * @return array Returns an array with the providers
 81:      * data.
 82:      */
 83:     public function get_available_providers() {
 84:         $this->db
 85:             ->select('ea_users.*')
 86:             ->from('ea_users')  
 87:             ->join('ea_roles', 'ea_roles.id = ea_users.id_roles', 'inner')
 88:             ->where('ea_roles.slug', 'provider');
 89:         
 90:         $providers = $this->db->get()->result_array();
 91:         
 92:         foreach($providers as &$provider) {
 93:             $this->db
 94:                 ->select('id_services')
 95:                 ->from('ea_services_providers')
 96:                 ->where('id_users', $provider['id']);
 97:             
 98:             $provider_services = $this->db->get()->result_array();
 99:             
100:             if (!isset($provider['services'])) {
101:                 $provider['services'] = array();
102:             }
103:             
104:             foreach($provider_services as $providerService) {
105:                 $provider['services'][] = $providerService['id_services'];
106:             }
107:         }
108:         
109:         return $providers;
110:     }
111:     
112:     /**
113:      * Get the providers role id from the database.
114:      * 
115:      * @return int Returns the role id for the customer records.
116:      */
117:     public function get_providers_role_id() {
118:         return $this->db->get_where('ea_roles', array('slug' => DB_SLUG_PROVIDER))->row()->id;
119:     }
120: }
121: 
122: /* End of file providers_model.php */
123: /* Location: ./application/models/providers_model.php */