481 lines
14 KiB
PHP
481 lines
14 KiB
PHP
<?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) Alex Tselegidis
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* @license https://opensource.org/licenses/GPL-3.0 - GPLv3
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* @link https://easyappointments.org
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* @since v1.0.0
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* ---------------------------------------------------------------------------- */
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/**
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* Services model.
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*
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* Handles all the database operations of the service resource.
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*
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* @package Models
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*/
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class Services_model extends EA_Model {
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/**
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* @var array
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*/
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protected $casts = [
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'id' => 'integer',
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'price' => 'float',
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'attendants_number' => 'integer',
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'id_categories' => 'integer',
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];
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/**
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* @var array
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*/
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protected $api_resource = [
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'id' => 'id',
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'name' => 'name',
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'duration' => 'duration',
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'price' => 'price',
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'currency' => 'currency',
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'description' => 'description',
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'location' => 'location',
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'availabilitiesType' => 'availabilities_type',
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'attendantsNumber' => 'attendants_number',
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'categoryId' => 'id_categories',
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];
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/**
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* Save (insert or update) a service.
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*
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* @param array $service Associative array with the service data.
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*
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* @return int Returns the service ID.
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*
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* @throws InvalidArgumentException
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*/
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public function save(array $service): int
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{
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$this->validate($service);
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if (empty($service['id']))
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{
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return $this->insert($service);
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}
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else
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{
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return $this->update($service);
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}
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}
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/**
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* Validate the service data.
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*
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* @param array $service Associative array with the service data.
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*
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* @throws InvalidArgumentException
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*/
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public function validate(array $service)
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{
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// If a service ID is provided then check whether the record really exists in the database.
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if ( ! empty($service['id']))
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{
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$count = $this->db->get_where('services', ['id' => $service['id']])->num_rows();
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if ( ! $count)
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{
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throw new InvalidArgumentException('The provided service ID does not exist in the database: ' . $service['id']);
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}
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}
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// Make sure all required fields are provided.
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if (
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empty($service['name'])
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)
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{
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throw new InvalidArgumentException('Not all required fields are provided: ' . print_r($service, TRUE));
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}
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// If a category was provided then make sure it really exists in the database.
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if ( ! empty($service['id_categories']))
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{
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$count = $this->db->get_where('categories', ['id' => $service['id_categories']])->num_rows();
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if ( ! $count)
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{
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throw new InvalidArgumentException('The provided category ID was not found in the database: ' . $service['id_categories']);
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}
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}
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// Make sure the duration value is valid.
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if ( ! empty($service['duration']))
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{
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if ((int)$service['duration'] < EVENT_MINIMUM_DURATION)
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{
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throw new InvalidArgumentException('The service duration cannot be less than ' . EVENT_MINIMUM_DURATION . ' minutes long.');
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}
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}
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// Availabilities type must have the correct value.
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if ($service['availabilities_type'] !== NULL && $service['availabilities_type'] !== AVAILABILITIES_TYPE_FLEXIBLE
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&& $service['availabilities_type'] !== AVAILABILITIES_TYPE_FIXED)
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{
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throw new Exception('Service availabilities type must be either ' . AVAILABILITIES_TYPE_FLEXIBLE
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. ' or ' . AVAILABILITIES_TYPE_FIXED . ' (given ' . $service['availabilities_type'] . ')');
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}
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// Validate the availabilities type value.
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if (
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! empty($service['availabilities_type'])
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&& ! in_array($service['availabilities_type'], [AVAILABILITIES_TYPE_FLEXIBLE, AVAILABILITIES_TYPE_FIXED])
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)
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{
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throw new InvalidArgumentException('The provided availabilities type is invalid: ' . $service['availabilities_type']);
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}
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// Validate the attendants number value.
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if (empty($service['attendants_number']) || (int)$service['attendants_number'] < 1)
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{
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throw new InvalidArgumentException('The provided attendants number is invalid: ' . $service['attendants_number']);
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}
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}
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/**
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* Insert a new service into the database.
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*
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* @param array $service Associative array with the service data.
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*
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* @return int Returns the service ID.
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*
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* @throws RuntimeException
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*/
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protected function insert(array $service): int
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{
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if ( ! $this->db->insert('services', $service))
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{
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throw new RuntimeException('Could not insert service.');
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}
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return $this->db->insert_id();
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}
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/**
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* Update an existing service.
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*
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* @param array $service Associative array with the service data.
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*
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* @return int Returns the service ID.
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*
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* @throws RuntimeException
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*/
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protected function update(array $service): int
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{
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if ( ! $this->db->update('services', $service, ['id' => $service['id']]))
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{
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throw new RuntimeException('Could not update service.');
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}
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return $service['id'];
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}
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/**
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* Remove an existing service from the database.
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*
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* @param int $service_id Service ID.
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*
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* @throws RuntimeException
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*/
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public function delete(int $service_id)
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{
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if ( ! $this->db->delete('services', ['id' => $service_id]))
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{
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throw new RuntimeException('Could not delete service.');
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}
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}
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/**
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* Get a specific service from the database.
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*
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* @param int $service_id The ID of the record to be returned.
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*
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* @return array Returns an array with the service data.
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*
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* @throws InvalidArgumentException
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*/
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public function find(int $service_id): array
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{
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if ( ! $this->db->get_where('services', ['id' => $service_id])->num_rows())
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{
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throw new InvalidArgumentException('The provided service ID was not found in the database: ' . $service_id);
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}
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$service = $this->db->get_where('services', ['id' => $service_id])->row_array();
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$this->cast($service);
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return $service;
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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 int $service_id Service ID.
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* @param string $field Name of the value to be returned.
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*
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* @return string Returns the selected service value from the database.
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*
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* @throws InvalidArgumentException
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*/
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public function value(int $service_id, string $field): string
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{
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if (empty($field))
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{
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throw new InvalidArgumentException('The field argument is cannot be empty.');
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}
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if (empty($service_id))
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{
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throw new InvalidArgumentException('The service ID argument cannot be empty.');
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}
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// Check whether the service exists.
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$query = $this->db->get_where('services', ['id' => $service_id]);
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if ( ! $query->num_rows())
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{
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throw new InvalidArgumentException('The provided service ID was not found in the database: ' . $service_id);
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}
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// Check if the required field is part of the service data.
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$service = $query->row_array();
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$this->cast($service);
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if ( ! array_key_exists($field, $service))
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{
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throw new InvalidArgumentException('The requested field was not found in the service data: ' . $field);
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}
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return $service[$field];
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}
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/**
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* Get all services that match the provided criteria.
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*
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* @param array|string $where Where conditions
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* @param int|null $limit Record limit.
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* @param int|null $offset Record offset.
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* @param string|null $order_by Order by.
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*
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* @return array Returns an array of services.
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*/
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public function get($where = NULL, int $limit = NULL, int $offset = NULL, string $order_by = NULL): array
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{
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if ($where !== NULL)
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{
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$this->db->where($where);
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}
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if ($order_by !== NULL)
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{
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$this->db->order_by($order_by);
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}
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$services = $this->db->get('services', $limit, $offset)->result_array();
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foreach ($services as $service)
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{
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$this->cast($service);
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}
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return $services;
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}
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/**
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* Get all the service records that are assigned to at least one provider.
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*
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* @return array Returns an array of services.
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*/
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public function get_available_services(): array
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{
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$services = $this
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->db
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->distinct()
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->select('services.*, categories.name AS category_name, categories.id AS category_id')
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->from('services')
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->join('services_providers', 'services_providers.id_services = services.id', 'inner')
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->join('categories', 'categories.id = services.id_categories', 'left')
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->order_by('name ASC')
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->get()
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->result_array();
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foreach ($services as $service)
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{
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$this->cast($service);
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}
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return $services;
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}
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/**
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* Get the query builder interface, configured for use with the services table.
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*
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* @return CI_DB_query_builder
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*/
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public function query(): CI_DB_query_builder
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{
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return $this->db->from('services');
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}
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/**
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* Search services by the provided keyword.
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*
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* @param string $keyword Search keyword.
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* @param int|null $limit Record limit.
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* @param int|null $offset Record offset.
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* @param string|null $order_by Order by.
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*
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* @return array Returns an array of services.
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*/
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public function search(string $keyword, int $limit = NULL, int $offset = NULL, string $order_by = NULL): array
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{
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$services = $this
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->db
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->select()
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->from('services')
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->like('name', $keyword)
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->or_like('description', $keyword)
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->limit($limit)
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->offset($offset)
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->order_by($order_by)
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->get()
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->result_array();
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foreach ($services as $service)
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{
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$this->cast($service);
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}
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return $services;
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}
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/**
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* Load related resources to a service.
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*
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* @param array $service Associative array with the service data.
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* @param array $resources Resource names to be attached ("category" supported).
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*
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* @throws InvalidArgumentException
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*/
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public function load(array &$service, array $resources)
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{
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if (empty($service) || empty($resources))
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{
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return;
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}
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foreach ($resources as $resource)
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{
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switch ($resource)
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{
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case 'category':
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$service['category'] = $this
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->db
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->get_where('categories', [
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'id' => $service['id_categories'] ?? $service['categoryId'] ?? NULL
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])
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->row_array();
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break;
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default:
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throw new InvalidArgumentException('The requested appointment relation is not supported: ' . $resource);
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}
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}
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}
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/**
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* Convert the database service record to the equivalent API resource.
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*
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* @param array $service Service data.
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*/
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public function api_encode(array &$service)
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{
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$encoded_resource = [
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'id' => array_key_exists('id', $service) ? (int)$service['id'] : NULL,
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'name' => $service['name'],
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'duration' => (int)$service['duration'],
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'price' => (float)$service['price'],
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'currency' => $service['currency'],
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'description' => $service['description'],
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'location' => $service['location'],
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'availabilitiesType' => $service['availabilities_type'],
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'attendantsNumber' => (int)$service['attendants_number'],
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'categoryId' => $service['id_categories'] !== NULL ? (int)$service['id_categories'] : NULL
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];
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$service = $encoded_resource;
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}
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/**
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* Convert the API resource to the equivalent database service record.
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*
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* @param array $service API resource.
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* @param array|null $base Base service data to be overwritten with the provided values (useful for updates).
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*/
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public function api_decode(array &$service, array $base = NULL)
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{
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$decoded_resource = $base ?: [];
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if (array_key_exists('id', $service))
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{
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$decoded_resource['id'] = $service['id'];
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}
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if (array_key_exists('name', $service))
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{
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$decoded_resource['name'] = $service['name'];
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}
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if (array_key_exists('duration', $service))
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{
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$decoded_resource['duration'] = $service['duration'];
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}
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if (array_key_exists('price', $service))
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{
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$decoded_resource['price'] = $service['price'];
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}
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if (array_key_exists('currency', $service))
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{
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$decoded_resource['currency'] = $service['currency'];
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}
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if (array_key_exists('description', $service))
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{
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$decoded_resource['description'] = $service['description'];
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}
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if (array_key_exists('location', $service))
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{
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$decoded_resource['location'] = $service['location'];
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}
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if (array_key_exists('availabilitiesType', $service))
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{
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$decoded_resource['availabilities_type'] = $service['availabilitiesType'];
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}
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if (array_key_exists('attendantsNumber', $service))
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{
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$decoded_resource['attendants_number'] = $service['attendantsNumber'];
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}
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if (array_key_exists('categoryId', $service))
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{
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$decoded_resource['id_categories'] = $service['categoryId'];
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}
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$service = $decoded_resource;
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}
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}
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