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 : ' 
 22:                     . $provider_id);
 23:         }
 24:         return $this->db->get_where('ea_users', array('id' => $provider_id))->row_array();
 25:     }
 26:     
 27:     /**
 28:      * Get a specific field value from the database.
 29:      * 
 30:      * @param string $field_name The field name of the value to be
 31:      * returned.
 32:      * @param int $provider_id The selected record's id.
 33:      * @return string Returns the records value from the database.
 34:      */
 35:     public function get_value($field_name, $provider_id) {
 36:         if (!is_numeric($provider_id)) {
 37:             throw new InvalidArgumentException('Invalid argument provided as $customer_id : ' 
 38:                     . $provider_id);
 39:         }
 40:         
 41:         if (!is_string($field_name)) {
 42:             throw new InvalidArgumentException('$field_name argument is not a string : ' 
 43:                     . $field_name);
 44:         }
 45:         
 46:         if ($this->db->get_where('ea_users', array('id' => $provider_id))->num_rows() == 0) {
 47:             throw new InvalidArgumentException('The record with the $provider_id argument'
 48:                     . 'does not exist in the database : ' . $provider_id);
 49:         }
 50:         
 51:         $row_data = $this->db->get_where('ea_users', array('id' => $provider_id))->row_array();
 52:         if (!isset($row_data[$field_name])) {
 53:             throw new InvalidArgumentException('The given $field_name argument does not'
 54:                     . 'exist in the database : ' . $field_name);
 55:         }
 56:         
 57:         return $this->db->get_where('ea_users', array('id' => $provider_id))
 58:                 ->row_array()[$field_name];
 59:     }
 60:     
 61:     /**
 62:      * Get all, or specific records from provider's table.
 63:      * 
 64:      * @example $this->Model->getBatch('id = ' . $recordId);
 65:      * 
 66:      * @param string $whereClause (OPTIONAL) The WHERE clause of  
 67:      * the query to be executed. DO NOT INCLUDE 'WHERE' KEYWORD.
 68:      * @return array Returns the rows from the database.
 69:      */
 70:     public function get_batch($where_clause = '') {
 71:         $providers_role_id = $this->get_providers_role_id();
 72:         
 73:         if ($where_clause != '') {
 74:             $this->db->where($where_clause);
 75:         }
 76:         
 77:         $this->db->where('id_roles', $providers_role_id);
 78:         
 79:         return $this->db->get('ea_users')->result_array();
 80:     }
 81:     
 82:     /**
 83:      * Get the available system providers.
 84:      * 
 85:      * This method returns the available providers and the services that can 
 86:      * provide.
 87:      * 
 88:      * @return array Returns an array with the providers data.
 89:      */
 90:     public function get_available_providers() {
 91:         $this->db
 92:                 ->select('ea_users.*')
 93:                 ->from('ea_users')  
 94:                 ->join('ea_roles', 'ea_roles.id = ea_users.id_roles', 'inner')
 95:                 ->where('ea_roles.slug', 'provider');
 96:         
 97:         $providers = $this->db->get()->result_array();
 98:         
 99:         // Return also an array with the services that each provider can provide
100:         // to the customers.
101:         foreach($providers as &$provider) {
102:             $this->db
103:                     ->select('id_services')
104:                     ->from('ea_services_providers')
105:                     ->where('id_users', $provider['id']);
106:             
107:             $provider_services = $this->db->get()->result_array();
108:             
109:             if (!isset($provider['services'])) {
110:                 $provider['services'] = array();
111:             }
112:             
113:             foreach($provider_services as $service) {
114:                 $provider['services'][] = $service['id_services'];
115:             }
116:         }
117:         
118:         return $providers;
119:     }
120:     
121:     /**
122:      * Get the providers role id from the database.
123:      * 
124:      * @return int Returns the role id for the customer records.
125:      */
126:     public function get_providers_role_id() {
127:         return $this->db->get_where('ea_roles', array('slug' => DB_SLUG_PROVIDER))->row()->id;
128:     }
129:     
130:     /**
131:      * Get a providers setting from the database.
132:      * 
133:      * @param string $setting_name The setting name that is going to be
134:      * returned.
135:      * @param int $provider_id The selected provider id.
136:      * @return string Returs the value of the selected user setting.
137:      */
138:     public function get_setting($setting_name, $provider_id) {
139:         return $this->db->get_where('ea_user_settings', array('id_users' => $provider_id))
140:                 ->row_array()[$setting_name];
141:     }
142:     
143:     /**
144:      * Set a provider's setting value in the database. 
145:      * 
146:      * @param string $setting_name The setting's name.
147:      * @param string $value The setting's value.
148:      * @param numeric $provider_id The selected provider id.
149:      */
150:     public function set_setting($setting_name, $value, $provider_id) {
151:         $this->db->where(array('id_users' => $provider_id));
152:         return $this->db->update('ea_user_settings', array($setting_name => $value));
153:     }
154: }
155: 
156: /* End of file providers_model.php */
157: /* Location: ./application/models/providers_model.php */