forked from mirrors/easyappointments
725 lines
25 KiB
PHP
Executable file
725 lines
25 KiB
PHP
Executable file
<?php defined('BASEPATH') or exit('No direct script access allowed');
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/* ----------------------------------------------------------------------------
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* Easy!Appointments - Open Source Web Scheduler
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*
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* @package EasyAppointments
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* @author A.Tselegidis <alextselegidis@gmail.com>
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* @copyright Copyright (c) 2013 - 2020, Alex Tselegidis
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* @license http://opensource.org/licenses/GPL-3.0 - GPLv3
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* @link http://easyappointments.org
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* @since v1.0.0
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* ---------------------------------------------------------------------------- */
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/**
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* Providers_Model Class
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*
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* Contains the database operations for the service provider users of Easy!Appointments.
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*
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* @property CI_DB_query_builder db
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* @property CI_Loader load
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*
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* @package Models
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*/
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class Providers_Model extends CI_Model {
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/**
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* Add (insert - update) a service provider record.
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*
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* If the record already exists (id value provided) then it is going to be updated, otherwise inserted into the
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* database.
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*
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* @param array $provider Contains the service provider data.
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*
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* @return int Returns the record id.
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*
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* @throws Exception When the record data validation fails.
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*/
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public function add($provider)
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{
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$this->validate($provider);
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if ($this->exists($provider) && ! isset($provider['id']))
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{
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$provider['id'] = $this->find_record_id($provider);
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}
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if ( ! isset($provider['id']))
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{
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$provider['id'] = $this->insert($provider);
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}
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else
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{
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$provider['id'] = $this->update($provider);
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}
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return (int)$provider['id'];
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}
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/**
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* Validate provider data before the insert or update operation is executed.
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*
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* @param array $provider Contains the provider data.
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*
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* @return bool Returns the validation result.
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*
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* @throws Exception If provider validation fails.
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*/
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public function validate($provider)
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{
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$this->load->helper('data_validation');
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// If a provider id is present, check whether the record exist in the database.
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if (isset($provider['id']))
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{
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$num_rows = $this->db->get_where('users',
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['id' => $provider['id']])->num_rows();
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if ($num_rows == 0)
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{
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throw new Exception('Provided record id does not exist in the database.');
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}
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}
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// Validate required fields.
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if ( ! isset($provider['last_name'])
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|| ! isset($provider['email'])
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|| ! isset($provider['phone_number']))
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{
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throw new Exception('Not all required fields are provided: ' . print_r($provider, TRUE));
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}
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// Validate provider email address.
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if ( ! filter_var($provider['email'], FILTER_VALIDATE_EMAIL))
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{
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throw new Exception('Invalid email address provided: ' . $provider['email']);
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}
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// Validate provider services.
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if ( ! isset($provider['services']) || ! is_array($provider['services']))
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{
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throw new Exception('Invalid provider services given: ' . print_r($provider, TRUE));
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}
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else
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{ // Check if services are valid int values.
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foreach ($provider['services'] as $service_id)
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{
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if ( ! is_numeric($service_id))
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{
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throw new Exception('A provider service with invalid id was found: '
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. print_r($provider, TRUE));
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}
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}
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}
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// Validate provider settings.
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if ( ! isset($provider['settings']) || count($provider['settings']) == 0
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|| ! is_array($provider['settings']))
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{
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throw new Exception('Invalid provider settings given: ' . print_r($provider, TRUE));
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}
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// Check if username exists.
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if (isset($provider['settings']['username']))
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{
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$user_id = (isset($provider['id'])) ? $provider['id'] : '';
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if ( ! $this->validate_username($provider['settings']['username'], $user_id))
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{
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throw new Exception ('Username already exists. Please select a different '
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. 'username for this record.');
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}
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}
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// Validate provider password
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if (isset($provider['settings']['password']))
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{
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if (strlen($provider['settings']['password']) < MIN_PASSWORD_LENGTH)
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{
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throw new Exception('The user password must be at least '
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. MIN_PASSWORD_LENGTH . ' characters long.');
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}
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}
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// Validate calendar view mode.
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if (isset($provider['settings']['calendar_view']) && ($provider['settings']['calendar_view'] !== CALENDAR_VIEW_DEFAULT
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&& $provider['settings']['calendar_view'] !== CALENDAR_VIEW_TABLE))
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{
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throw new Exception('The calendar view setting must be either "' . CALENDAR_VIEW_DEFAULT
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. '" or "' . CALENDAR_VIEW_TABLE . '", given: ' . $provider['settings']['calendar_view']);
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}
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// When inserting a record the email address must be unique.
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$provider_id = (isset($provider['id'])) ? $provider['id'] : '';
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$num_rows = $this->db
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->select('*')
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->from('users')
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->join('roles', 'roles.id = users.id_roles', 'inner')
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->where('roles.slug', DB_SLUG_PROVIDER)
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->where('users.email', $provider['email'])
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->where('users.id <>', $provider_id)
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->get()
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->num_rows();
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if ($num_rows > 0)
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{
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throw new Exception('Given email address belongs to another provider record. '
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. 'Please use a different email.');
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}
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return TRUE;
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}
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/**
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* Validate Records Username
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*
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* @param string $username The provider records username.
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* @param int $user_id The user record id.
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*
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* @return bool Returns the validation result.
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*/
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public function validate_username($username, $user_id)
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{
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$num_rows = $this->db->get_where('user_settings',
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['username' => $username, 'id_users <> ' => $user_id])->num_rows();
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return ($num_rows > 0) ? FALSE : TRUE;
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}
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/**
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* Check whether a particular provider record already exists in the database.
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*
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* @param array $provider Contains the provider data. The 'email' value is required in order to check for a provider.
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*
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* @return bool Returns whether the provider record exists or not.
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*
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* @throws Exception When the 'email' value is not provided.
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*/
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public function exists($provider)
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{
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if ( ! isset($provider['email']))
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{
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throw new Exception('Provider email is not provided:' . print_r($provider, TRUE));
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}
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// This method shouldn't depend on another method of this class.
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$num_rows = $this->db
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->select('*')
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->from('users')
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->join('roles', 'roles.id = users.id_roles', 'inner')
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->where('users.email', $provider['email'])
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->where('roles.slug', DB_SLUG_PROVIDER)
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->get()->num_rows();
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return ($num_rows > 0) ? TRUE : FALSE;
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}
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/**
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* Find the database record id of a provider.
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*
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* @param array $provider Contains the provider data. The 'email' value is required in order to find the record id.
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*
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* @return int Returns the record id.
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*
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* @throws Exception When the provider's email value is not provided.
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*/
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public function find_record_id($provider)
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{
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if ( ! isset($provider['email']))
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{
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throw new Exception('Provider email was not provided:' . print_r($provider, TRUE));
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}
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$result = $this->db
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->select('users.id')
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->from('users')
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->join('roles', 'roles.id = users.id_roles', 'inner')
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->where('users.email', $provider['email'])
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->where('roles.slug', DB_SLUG_PROVIDER)
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->get();
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if ($result->num_rows() == 0)
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{
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throw new Exception('Could not find provider record id.');
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}
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return (int)$result->row()->id;
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}
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/**
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* Insert a new provider record into the database.
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*
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* @param array $provider Contains the provider data (must be already validated).
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*
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* @return int Returns the new record id.
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*
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* @throws Exception When the insert operation fails.
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*/
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protected function insert($provider)
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{
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$this->load->helper('general');
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// Get provider role id.
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$provider['id_roles'] = $this->get_providers_role_id();
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// Store provider settings and services (must not be present on the $provider array).
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$services = $provider['services'];
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unset($provider['services']);
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$settings = $provider['settings'];
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unset($provider['settings']);
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// Insert provider record and save settings.
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if ( ! $this->db->insert('users', $provider))
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{
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throw new Exception('Could not insert provider into the database');
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}
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$settings['salt'] = generate_salt();
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$settings['password'] = hash_password($settings['salt'], $settings['password']);
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$provider['id'] = $this->db->insert_id();
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$this->save_settings($settings, $provider['id']);
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$this->save_services($services, $provider['id']);
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// Return the new record id.
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return (int)$provider['id'];
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}
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/**
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* Get the providers role id from the database.
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*
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* @return int Returns the role id for the provider records.
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*/
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public function get_providers_role_id()
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{
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return $this->db->get_where('roles', ['slug' => DB_SLUG_PROVIDER])->row()->id;
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}
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/**
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* Save the provider settings (used from insert or update operation).
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*
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* @param array $settings Contains the setting values.
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* @param int $provider_id Record id of the provider.
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*
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* @throws Exception If $provider_id argument is invalid.
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* @throws Exception If $settings argument is invalid.
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*/
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protected function save_settings($settings, $provider_id)
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{
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if ( ! is_numeric($provider_id))
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{
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throw new Exception('Invalid $provider_id argument given:' . $provider_id);
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}
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if (count($settings) == 0 || ! is_array($settings))
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{
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throw new Exception('Invalid $settings argument given:' . print_r($settings, TRUE));
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}
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// Check if the setting record exists in db.
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if ($this->db->get_where('user_settings', ['id_users' => $provider_id])
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->num_rows() == 0)
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{
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$this->db->insert('user_settings', ['id_users' => $provider_id]);
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}
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foreach ($settings as $name => $value)
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{
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// Sort in descending order the custom availability periods
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if ($name == 'custom_availability_periods')
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{
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$value = json_decode($value, TRUE);
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// Sort the array and put in reverse order
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krsort($value);
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$value = json_encode($value);
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}
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$this->set_setting($name, $value, $provider_id);
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}
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}
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/**
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* Set a provider's setting value in the database.
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*
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* The provider and settings record must already exist.
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*
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* @param string $setting_name The setting's name.
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* @param string $value The setting's value.
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* @param int $provider_id The selected provider id.
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*/
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public function set_setting($setting_name, $value, $provider_id)
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{
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$this->db->where(['id_users' => $provider_id]);
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return $this->db->update('user_settings', [$setting_name => $value]);
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}
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/**
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* Save the provider services in the database (use on both insert and update operation).
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*
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* @param array $services Contains the service ids that the selected provider can provide.
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* @param int $provider_id The selected provider record id.
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*
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* @throws Exception When the $services argument type is not array.
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* @throws Exception When the $provider_id argument type is not int.
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*/
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protected function save_services($services, $provider_id)
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{
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// Validate method arguments.
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if ( ! is_array($services))
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{
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throw new Exception('Invalid argument type $services: ' . $services);
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}
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if ( ! is_numeric($provider_id))
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{
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throw new Exception('Invalid argument type $provider_id: ' . $provider_id);
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}
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// Save provider services in the database (delete old records and add new).
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$this->db->delete('services_providers', ['id_users' => $provider_id]);
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foreach ($services as $service_id)
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{
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$service_provider = [
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'id_users' => $provider_id,
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'id_services' => $service_id
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];
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$this->db->insert('services_providers', $service_provider);
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}
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}
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/**
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* Update an existing provider record in the database.
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*
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* @param array $provider Contains the provider data.
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*
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* @return int Returns the record id.
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*
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* @throws Exception When the update operation fails.
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*/
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protected function update($provider)
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{
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$this->load->helper('general');
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// Store service and settings (must not be present on the $provider array).
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$services = $provider['services'];
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unset($provider['services']);
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$settings = $provider['settings'];
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unset($provider['settings']);
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if (isset($settings['password']))
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{
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$salt = $this->db->get_where('user_settings', ['id_users' => $provider['id']])->row()->salt;
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$settings['password'] = hash_password($salt, $settings['password']);
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}
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// Update provider record.
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$this->db->where('id', $provider['id']);
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if ( ! $this->db->update('users', $provider))
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{
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throw new Exception('Could not update provider record.');
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}
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$this->save_services($services, $provider['id']);
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$this->save_settings($settings, $provider['id']);
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// Return record id.
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return (int)$provider['id'];
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}
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/**
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* Delete an existing provider record from the database.
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*
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* @param int $customer_id The record id to be deleted.
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*
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* @return bool Returns the delete operation result.
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*
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* @throws Exception When the provider id value is not int.
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*/
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public function delete($provider_id)
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{
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if ( ! is_numeric($provider_id))
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{
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throw new Exception('Invalid argument type $provider_id: ' . $provider_id);
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}
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$num_rows = $this->db->get_where('users', ['id' => $provider_id])->num_rows();
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if ($num_rows == 0)
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{
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return FALSE; // Record does not exist in database.
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}
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return $this->db->delete('users', ['id' => $provider_id]);
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}
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/**
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* Get a specific provider record from the database.
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*
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* @param int $provider_id The id of the record to be returned.
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*
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* @return array Returns an associative array with the selected record's data. Each key has the same name as the
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* database field names.
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*
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* @throws Exception When the selected record does not exist in database.
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*/
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public function get_row($provider_id)
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{
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if ( ! is_numeric($provider_id))
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{
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throw new Exception('$provider_id argument is not a valid numeric value: ' . $provider_id);
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}
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// Check if selected record exists on database.
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if ($this->db->get_where('users', ['id' => $provider_id])->num_rows() == 0)
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{
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throw new Exception('Selected record does not exist in the database.');
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}
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// Get provider data.
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$provider = $this->db->get_where('users', ['id' => $provider_id])->row_array();
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// Include provider services.
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$services = $this->db->get_where('services_providers',
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['id_users' => $provider_id])->result_array();
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$provider['services'] = [];
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foreach ($services as $service)
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{
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$provider['services'][] = $service['id_services'];
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}
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// Include provider settings.
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$provider['settings'] = $this->db->get_where('user_settings',
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['id_users' => $provider_id])->row_array();
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unset($provider['settings']['id_users']);
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// Return provider data array.
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return $provider;
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}
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/**
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* Get a specific field value from the database.
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*
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* @param string $field_name The field name of the value to be returned.
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* @param int $provider_id Record id of the value to be returned.
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*
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* @return string Returns the selected record value from the database.
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*
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* @throws Exception When the $field_name argument is not a valid string.
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* @throws Exception When the $provider_id is not a valid int.
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* @throws Exception When the provider record does not exist in the database.
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* @throws Exception When the selected field value is not present on database.
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*/
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public function get_value($field_name, $provider_id)
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{
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if ( ! is_numeric($provider_id))
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{
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throw new Exception('Invalid argument provided as $provider_id: ' . $provider_id);
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}
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if ( ! is_string($field_name))
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{
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throw new Exception('$field_name argument is not a string: ' . $field_name);
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}
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// Check whether the provider record exists in database.
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$result = $this->db->get_where('users', ['id' => $provider_id]);
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if ($result->num_rows() == 0)
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{
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throw new Exception('The record with the $provider_id argument does not exist in '
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. 'the database: ' . $provider_id);
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}
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$provider = $result->row_array();
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if ( ! isset($provider[$field_name]))
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{
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throw new Exception('The given $field_name argument does not exist in the '
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. 'database: ' . $field_name);
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}
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return $provider[$field_name];
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}
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/**
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* Get all, or specific records from provider's table.
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*
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* Example:
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*
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* $this->Model->get_batch('id = ' . $recordId);
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*
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*
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* @param mixed|null $where (OPTIONAL) The WHERE clause of the query to be executed.
|
|
* @param mixed|null $order_by
|
|
* @param int|null $limit
|
|
* @param int|null $offset
|
|
* @return array Returns the rows from the database.
|
|
*/
|
|
public function get_batch($where = NULL, $order_by = NULL, $limit = NULL, $offset = NULL)
|
|
{
|
|
// CI db class may confuse two where clauses made in the same time, so
|
|
// get the role id first and then apply the get_batch() where clause.
|
|
$role_id = $this->get_providers_role_id();
|
|
|
|
if ($where !== NULL)
|
|
{
|
|
$this->db->where($where);
|
|
}
|
|
|
|
if ($order_by !== NULL)
|
|
{
|
|
$this->db->order_by($order_by);
|
|
}
|
|
|
|
$batch = $this->db->get_where('users', ['id_roles' => $role_id], $limit, $offset)->result_array();
|
|
|
|
// Include each provider services and settings.
|
|
foreach ($batch as &$provider)
|
|
{
|
|
// Services
|
|
$services = $this->db->get_where('services_providers',
|
|
['id_users' => $provider['id']])->result_array();
|
|
$provider['services'] = [];
|
|
foreach ($services as $service)
|
|
{
|
|
$provider['services'][] = $service['id_services'];
|
|
}
|
|
|
|
// Settings
|
|
$provider['settings'] = $this->db->get_where('user_settings',
|
|
['id_users' => $provider['id']])->row_array();
|
|
unset($provider['settings']['id_users']);
|
|
}
|
|
|
|
// Return provider records in an array.
|
|
return $batch;
|
|
}
|
|
|
|
/**
|
|
* Get the available system providers.
|
|
*
|
|
* This method returns the available providers and the services that can provide.
|
|
*
|
|
* @return array Returns an array with the providers data.
|
|
*/
|
|
public function get_available_providers()
|
|
{
|
|
// Get provider records from database.
|
|
$this->db
|
|
->select('users.*')
|
|
->from('users')
|
|
->join('roles', 'roles.id = users.id_roles', 'inner')
|
|
->where('roles.slug', DB_SLUG_PROVIDER)
|
|
->order_by('first_name ASC, last_name ASC, email ASC');
|
|
|
|
$providers = $this->db->get()->result_array();
|
|
|
|
// Include each provider services and settings.
|
|
foreach ($providers as &$provider)
|
|
{
|
|
// Services
|
|
$services = $this->db->get_where('services_providers',
|
|
['id_users' => $provider['id']])->result_array();
|
|
|
|
$provider['services'] = [];
|
|
foreach ($services as $service)
|
|
{
|
|
$provider['services'][] = $service['id_services'];
|
|
}
|
|
|
|
// Settings
|
|
$provider['settings'] = $this->db->get_where('user_settings',
|
|
['id_users' => $provider['id']])->row_array();
|
|
unset($provider['settings']['username']);
|
|
unset($provider['settings']['password']);
|
|
unset($provider['settings']['salt']);
|
|
}
|
|
|
|
// Return provider records.
|
|
return $providers;
|
|
}
|
|
|
|
/**
|
|
* Save the provider custom availability period.
|
|
*
|
|
* @param array $custom_availability_period Contains the date and the hours of the Custom availability period.
|
|
* @param int $provider_id The selected provider record id.
|
|
*
|
|
* @return bool Return if the new custom availability periods is correctly saved to DB.
|
|
*
|
|
* @throws Exception If start time is after the end time.
|
|
* @throws Exception If $provider_id argument is invalid.
|
|
*/
|
|
public function set_custom_availability_period($custom_availability_period, $provider_id)
|
|
{
|
|
// Validate period
|
|
$dateStart = date('Y-m-d', strtotime($custom_availability_period['start_datetime']));
|
|
$start = date('H:i', strtotime($custom_availability_period['start_datetime']));
|
|
$end = date('H:i', strtotime($custom_availability_period['end_datetime']));
|
|
if ($start > $end)
|
|
{
|
|
throw new Exception('Unavailable period start must be prior to end.');
|
|
}
|
|
|
|
// Validate provider record
|
|
$where_clause = [
|
|
'id' => $provider_id,
|
|
'id_roles' => $this->db->get_where('roles', ['slug' => DB_SLUG_PROVIDER])->row()->id
|
|
];
|
|
|
|
if ($this->db->get_where('users', $where_clause)->num_rows() == 0)
|
|
{
|
|
throw new Exception('Provider id was not found in database.');
|
|
}
|
|
|
|
// Add record to database.
|
|
$custom_availability_periods = json_decode($this->get_setting('custom_availability_periods', $provider_id), TRUE);
|
|
|
|
$custom_availability_periods[$dateStart] = [
|
|
'start' => $start,
|
|
'end' => $end,
|
|
'breaks' => []
|
|
];
|
|
|
|
return $this->set_setting('custom_availability_periods', json_encode($custom_availability_periods), $provider_id);
|
|
}
|
|
|
|
/**
|
|
* Get a providers setting from the database.
|
|
*
|
|
* @param string $setting_name The setting name that is going to be returned.
|
|
* @param int $provider_id The selected provider id.
|
|
*
|
|
* @return string Returns the value of the selected user setting.
|
|
*/
|
|
public function get_setting($setting_name, $provider_id)
|
|
{
|
|
$provider_settings = $this->db->get_where('user_settings', ['id_users' => $provider_id])->row_array();
|
|
return $provider_settings[$setting_name];
|
|
}
|
|
|
|
/**
|
|
* Delete a provider custom availability period.
|
|
*
|
|
* @param string $custom_availability_period Contains the date to be deleted from the custom availability periods.
|
|
* @param int $provider_id The selected provider record id.
|
|
*
|
|
* @return bool Return if the new custom availability periods is correctly deleted from DB.
|
|
*
|
|
* @throws Exception If $provider_id argument is invalid.
|
|
*/
|
|
public function delete_custom_availability_period($custom_availability_period, $provider_id)
|
|
{
|
|
// Validate provider record
|
|
$where_clause = [
|
|
'id' => $provider_id,
|
|
'id_roles' => $this->db->get_where('roles', ['slug' => DB_SLUG_PROVIDER])->row()->id
|
|
];
|
|
|
|
if ($this->db->get_where('users', $where_clause)->num_rows() == 0)
|
|
{
|
|
throw new Exception('Provider id was not found in database.');
|
|
}
|
|
|
|
// Add record to database.
|
|
$custom_availability_periods = json_decode($this->get_setting('custom_availability_periods', $provider_id), TRUE);
|
|
|
|
unset($custom_availability_periods[$custom_availability_period]);
|
|
|
|
return $this->set_setting('custom_availability_periods', json_encode($custom_availability_periods), $provider_id);
|
|
}
|
|
}
|