forked from mirrors/easyappointments
546 lines
18 KiB
PHP
546 lines
18 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) 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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* Appointments model
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*
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* @package Models
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*/
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class Appointments_model extends EA_Model {
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/**
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* Appointments_model constructor.
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*/
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public function __construct()
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{
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parent::__construct();
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$this->load->helper('validation');
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$this->load->helper('string');
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}
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/**
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* Save (insert or update) an appointment.
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*
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* @param array $appointment Associative array with the appointment data.
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*
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* @return int Returns the appointment ID.
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*
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* @throws InvalidArgumentException
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*/
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public function save(array $appointment): int
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{
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$this->validate($appointment);
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if (empty($appointment['id']))
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{
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return $this->insert($appointment);
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}
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else
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{
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return $this->update($appointment);
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}
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}
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/**
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* Validate the appointment data.
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*
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* @param array $appointment Associative array with the appointment data.
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*
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* @throws InvalidArgumentException
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*/
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public function validate(array $appointment)
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{
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// If an appointment ID is provided then check whether the record really exists in the database.
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if ( ! empty($appointment['id']))
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{
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$count = $this->db->get_where('appointments', ['id' => $appointment['id']])->num_rows();
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if ( ! $count)
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{
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throw new InvalidArgumentException('The provided appointment ID does not exist in the database: ' . $appointment['id']);
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}
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}
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// Make sure all required fields are provided.
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if (
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empty($appointment['start_datetime'])
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|| empty($appointment['end_datetime'])
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|| empty($appointment['id_services'])
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|| empty($appointment['id_users_provider'])
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|| empty($appointment['id_users_customer'])
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)
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{
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throw new InvalidArgumentException('Not all required fields are provided: ' . print_r($appointment, TRUE));
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}
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// Make sure that the provided appointment date time values are valid.
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if ( ! validate_datetime($appointment['start_datetime']))
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{
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throw new InvalidArgumentException('The appointment start date time is invalid.');
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}
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if ( ! validate_datetime($appointment['end_datetime']))
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{
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throw new InvalidArgumentException('The appointment end date time is invalid.');
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}
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// Make the appointment lasts longer than the minimum duration (in minutes).
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$diff = (strtotime($appointment['end_datetime']) - strtotime($appointment['start_datetime'])) / 60;
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if ($diff < EVENT_MINIMUM_DURATION)
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{
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throw new InvalidArgumentException('The appointment duration cannot be less than ' . EVENT_MINIMUM_DURATION . ' minutes.');
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}
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// Make sure the provider ID really exists in the database.
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$count = $this
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->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.id', $appointment['id_users_provider'])
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->where('roles.slug', DB_SLUG_PROVIDER)
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->get()
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->num_rows();
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if ( ! $count)
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{
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throw new InvalidArgumentException('The appointment provider ID was not found in the database: ' . $appointment['id_users_provider']);
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}
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if ( ! filter_var($appointment['is_unavailable'], FILTER_VALIDATE_BOOLEAN))
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{
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// Make sure the customer ID really exists in the database.
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$count = $this
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->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.id', $appointment['id_users_customer'])
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->where('roles.slug', DB_SLUG_CUSTOMER)
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->get()->num_rows();
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if ( ! $count)
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{
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throw new InvalidArgumentException('The appointment customer ID was not found in the database: ' . $appointment['id_users_customer']);
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}
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// Make sure the service ID really exists in the database.
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$count = $this->db->get_where('services', ['id' => $appointment['id_services']])->num_rows();
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if ( ! $count)
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{
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throw new InvalidArgumentException('Appointment service id is invalid.');
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}
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}
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}
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/**
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* Insert a new appointment into the database.
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*
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* @param array $appointment Associative array with the appointment data.
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*
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* @return int Returns the appointment ID.
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*
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* @throws RuntimeException
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*/
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protected function insert(array $appointment): int
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{
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$appointment['book_datetime'] = date('Y-m-d H:i:s');
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$appointment['hash'] = random_string('alnum', 12);
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if ( ! $this->db->insert('appointments', $appointment))
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{
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throw new RuntimeException('Could not insert appointment.');
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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 appointment.
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*
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* @param array $appointment Associative array with the appointment data.
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*
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* @return int Returns the appointment ID.
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*
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* @throws RuntimeException
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*/
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protected function update(array $appointment): int
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{
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$this->db->where('id', $appointment['id']);
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if ( ! $this->db->update('appointments', $appointment, ['id' => $appointment['id']]))
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{
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throw new RuntimeException('Could not update appointment record.');
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}
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return $appointment['id'];
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}
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/**
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* Remove an existing appointment from the database.
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*
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* @param int $appointment_id Appointment ID.
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*
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* @throws RuntimeException
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*/
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public function delete(int $appointment_id)
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{
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if ( ! $this->db->delete('users', ['id' => $appointment_id]))
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{
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throw new RuntimeException('Could not delete appointment.');
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}
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}
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/**
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* Get a specific appointment from the database.
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*
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* @param int $appointment_id The ID of the record to be returned.
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*
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* @return array Returns an array with the appointment data.
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*
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* @throws InvalidArgumentException
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*/
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public function find(int $appointment_id): array
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{
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if ( ! $this->db->get_where('appointments', ['id' => $appointment_id])->num_rows())
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{
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throw new InvalidArgumentException('The provided appointment ID was not found in the database: ' . $appointment_id);
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}
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return $this->db->get_where('appointments', ['id' => $appointment_id])->row_array();
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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 $appointment_id Appointment 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 appointment 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 $appointment_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($appointment_id))
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{
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throw new InvalidArgumentException('The appointment ID argument cannot be empty.');
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}
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// Check whether the appointment exists.
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$query = $this->db->get_where('appointments', ['id' => $appointment_id]);
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if ( ! $query->num_rows())
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{
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throw new InvalidArgumentException('The provided appointment ID was not found in the database: ' . $appointment_id);
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}
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// Check if the required field is part of the appointment data.
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$appointment = $query->row_array();
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if ( ! array_key_exists($field, $appointment))
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{
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throw new InvalidArgumentException('The requested field was not found in the appointment data: ' . $field);
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}
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return $appointment[$field];
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}
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/**
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* Get all appointments 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 $order_by Order by.
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*
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* @return array Returns an array of appointments.
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*/
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public function get($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 ($order_by)
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{
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$this->db->order_by($order_by);
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}
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return $this->db->get('appointments', $limit, $offset)->result_array();
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}
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/**
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* Save (insert or update) an unavailable.
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*
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* @param array $unavailable Associative array with the unavailable data.
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*
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* @return int Returns the unavailable ID.
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*
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* @throws InvalidArgumentException
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*/
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public function add_unavailable(array $unavailable): int
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{
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// Make sure the start date time is before the end date time.
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$start = strtotime($unavailable['start_datetime']);
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$end = strtotime($unavailable['end_datetime']);
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if ($start > $end)
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{
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throw new InvalidArgumentException('Unavailable period start date time must be before the end date time.');
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}
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// Make sure the provider ID really exists in the database.
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$role = $this->db->get_where('roles', ['slug' => DB_SLUG_PROVIDER])->row_array();
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$count = $this->db->get_where('users', [
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'id' => $unavailable['id_users_provider'],
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'id_roles' => $role['id'],
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])->num_rows();
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if ( ! $count)
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{
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throw new InvalidArgumentException('Provider id was not found in database.');
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}
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if (empty($unavailable['id']))
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{
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$unavailable['book_datetime'] = date('Y-m-d H:i:s');
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$unavailable['is_unavailable'] = TRUE;
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$this->db->insert('appointments', $unavailable);
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return $this->db->insert_id();
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}
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else
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{
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return $this->db->update('appointments', $unavailable, ['id' => $unavailable['id']]);
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}
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}
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/**
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* Remove an existing unavailable from the database.
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*
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* @param int $unavailable_id 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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public function delete_unavailable(int $unavailable_id): bool
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{
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return $this->db->delete('appointments', ['id' => $unavailable_id]);
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}
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/**
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* Remove all the Google Calendar event IDs from appointment records.
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*
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* @param int $provider_id Matching provider ID.
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*/
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public function clear_google_sync_ids(int $provider_id)
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{
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$this->db->update('appointments', ['id_google_calendar' => NULL], ['id_users_provider' => $provider_id]);
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}
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/**
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* Get the attendants number for the requested period.
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*
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* @param DateTime $start Period start.
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* @param DateTime $end Period end.
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* @param int $service_id Service ID.
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* @param int $provider_id Provider ID.
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* @param int|null $exclude_appointment_id Exclude an appointment from the result set.
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*
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* @return int Returns the number of appointments that match the provided criteria.
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*/
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public function get_attendants_number_for_period(DateTime $start, DateTime $end, int $service_id, int $provider_id, int $exclude_appointment_id = NULL): int
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{
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if ($exclude_appointment_id)
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{
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$this->db->where('id !=', $exclude_appointment_id);
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}
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$result = $this
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->db
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->select('count(*) AS attendants_number')
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->from('appointments')
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->group_start()
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->group_start()
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->where('start_datetime <=', $start->format('Y-m-d H:i:s'))
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->where('end_datetime >', $start->format('Y-m-d H:i:s'))
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->group_end()
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->or_group_start()
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->where('start_datetime <', $end->format('Y-m-d H:i:s'))
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->where('end_datetime >=', $end->format('Y-m-d H:i:s'))
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->group_end()
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->group_end()
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->where('id_services', $service_id)
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->where('id_users_provider', $provider_id)
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->get()
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->row_array();
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return $result['attendants_number'];
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}
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/**
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*
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* Returns the number of the other service attendants number for the provided time slot.
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*
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* @param DateTime $start Period start.
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* @param DateTime $end Period end.
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* @param int $service_id Service ID.
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* @param int $provider_id Provider ID.
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* @param int|null $exclude_appointment_id Exclude an appointment from the result set.
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*
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* @return int Returns the number of appointments that match the provided criteria.
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*/
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public function get_other_service_attendants_number(DateTime $start, DateTime $end, int $service_id, $provider_id, $exclude_appointment_id = NULL): int
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{
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if ($exclude_appointment_id)
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{
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$this->db->where('id !=', $exclude_appointment_id);
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}
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$result = $this
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->db
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->select('count(*) AS attendants_number')
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->from('appointments')
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->group_start()
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->group_start()
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->where('start_datetime <=', $start->format('Y-m-d H:i:s'))
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->where('end_datetime >', $start->format('Y-m-d H:i:s'))
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->group_end()
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->or_group_start()
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->where('start_datetime <', $end->format('Y-m-d H:i:s'))
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->where('end_datetime >=', $end->format('Y-m-d H:i:s'))
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->group_end()
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->group_end()
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->where('id_services !=', $service_id)
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->where('id_users_provider', $provider_id)
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->get()
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->row_array();
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return $result['attendants_number'];
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}
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/**
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* Get the query builder interface, configured for use with the appointments 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('appointments');
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}
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/**
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* Search appointments 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 appointments.
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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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return $this
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->db
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->select()
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->from('appointments')
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->join('services', 'services.id = appointments.id_services', 'left')
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->join('users AS providers', 'providers.id = appointments.id_users_provider', 'inner')
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->join('users AS customers', 'customers.id = appointment.id_users_customer', 'left')
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->like('appointments.start_datetime', $keyword)
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->or_like('appointments.end_datetime', $keyword)
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->or_like('appointments.location', $keyword)
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->or_like('appointments.hash', $keyword)
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->or_like('appointments.notes', $keyword)
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->or_like('service.name', $keyword)
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->or_like('service.description', $keyword)
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->or_like('providers.first_name', $keyword)
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->or_like('providers.last_name', $keyword)
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->or_like('providers.email', $keyword)
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->or_like('providers.phone_number', $keyword)
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->or_like('customers.first_name', $keyword)
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->or_like('customers.last_name', $keyword)
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->or_like('customers.email', $keyword)
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->or_like('customers.phone_number', $keyword)
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->limit($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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}
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/**
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* Attach related resources to an appointment.
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*
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* @param array $appointment Associative array with the appointment data.
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* @param array $resources Resource names to be attached ("service", "provider", "customer" supported).
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*
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* @throws InvalidArgumentException
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*/
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public function attach(array &$appointment, array $resources)
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{
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if (empty($appointment) || 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 'service':
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$appointment['service'] = $this
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->db
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->get_where('services', [
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'id' => $appointment['id_services']
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])
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->row_array();
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break;
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case 'provider':
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$appointment['provider'] = $this
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->db
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->get_where('users', [
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'id' => $appointment['id_users_provider']
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])
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->row_array();
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break;
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case 'customer':
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$appointment['customer'] = $this
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->db
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->get_where('users', [
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'id' => $appointment['id_users_customer']
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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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