forked from mirrors/easyappointments
508 lines
15 KiB
PHP
508 lines
15 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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* Admins model
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*
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* Handles all the database operations of the admin resource.
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*
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* @package Models
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*/
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class Admins_model extends EA_Model {
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/**
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* Admins_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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$this->load->helper('password');
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$this->load->helper('validation');
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}
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/**
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* Save (insert or update) an admin.
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*
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* @param array $admin Associative array with the admin data.
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*
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* @return int Returns the admin ID.
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*
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* @throws InvalidArgumentException
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*/
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public function save(array $admin): int
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{
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$this->validate($admin);
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if (empty($admin['id']))
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{
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return $this->insert($admin);
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}
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else
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{
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return $this->update($admin);
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}
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}
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/**
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* Validate the admin data.
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*
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* @param array $admin Associative array with the admin data.
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*
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* @throws InvalidArgumentException
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*/
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public function validate(array $admin): void
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{
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// If an admin ID is provided then check whether the record really exists in the database.
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if ( ! empty($admin['id']))
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{
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$count = $this->db->get_where('users', ['id' => $admin['id']])->num_rows();
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if ( ! $count)
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{
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throw new InvalidArgumentException('The provided admin ID does not exist in the database: ' . $admin['id']);
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}
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}
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// Make sure all required fields are provided.
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if (
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empty($admin['first_name'])
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|| empty($admin['last_name'])
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|| empty($admin['email'])
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|| empty($admin['phone_number'])
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)
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{
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throw new InvalidArgumentException('Not all required fields are provided: ' . print_r($admin, TRUE));
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}
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// Validate the email address.
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if ( ! filter_var($admin['email'], FILTER_VALIDATE_EMAIL))
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{
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throw new InvalidArgumentException('Invalid email address provided: ' . $admin['email']);
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}
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// Make sure the username is unique.
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if ( ! empty($admin['settings']['username']))
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{
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$admin_id = $admin['id'] ?? NULL;
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if ( ! $this->validate_username($admin['settings']['username'], $admin_id))
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{
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throw new InvalidArgumentException('The provided username is already in use, please use a different one.');
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}
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}
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// Validate the password.
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if ( ! empty($admin['settings']['password']))
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{
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if (strlen($admin['settings']['password']) < MIN_PASSWORD_LENGTH)
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{
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throw new InvalidArgumentException('The admin password must be at least ' . MIN_PASSWORD_LENGTH . ' characters long.');
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}
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}
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// New users must always have a password value set.
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if (empty($admin['id']) && empty($admin['settings']['password']))
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{
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throw new InvalidArgumentException('The admin password cannot be empty when inserting a new record.');
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}
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// Validate calendar view type value.
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if (
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! empty($admin['settings']['calendar_view'])
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&& ! in_array($admin['settings']['calendar_view'], [CALENDAR_VIEW_DEFAULT, CALENDAR_VIEW_TABLE])
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)
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{
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throw new InvalidArgumentException('The provided calendar view is invalid: ' . $admin['settings']['calendar_view']);
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}
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// Make sure the email address is unique.
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$admin_id = $admin['id'] ?? NULL;
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$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('roles.slug', DB_SLUG_ADMIN)
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->where('users.email', $admin['email'])
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->where('users.id !=', $admin_id)
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->get()
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->num_rows();
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if ($count > 0)
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{
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throw new InvalidArgumentException('The provided email address is already in use, please use a different one.');
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}
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}
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/**
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* Validate the admin username.
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*
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* @param string $username Admin username.
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* @param int|null $admin_id Admin 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(string $username, int $admin_id = NULL): bool
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{
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if ( ! empty($admin_id))
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{
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$this->db->where('id_users !=', $admin_id);
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}
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return $this->db->get_where('user_settings', ['username' => $username])->num_rows() === 0;
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}
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/**
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* Insert a new admin into the database.
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*
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* @param array $admin Associative array with the admin data.
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*
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* @return int Returns the admin ID.
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*
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* @throws RuntimeException
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*/
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protected function insert(array $admin): int
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{
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$admin['id_roles'] = $this->get_admin_role_id();
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$settings = $admin['settings'];
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unset($admin['settings']);
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if ( ! $this->db->insert('users', $admin))
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{
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throw new RuntimeException('Could not insert admin.');
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}
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$admin['id'] = $this->db->insert_id();
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$settings['salt'] = generate_salt();
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$settings['password'] = hash_password($settings['salt'], $settings['password']);
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$this->save_settings($admin['id'], $settings);
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return $admin['id'];
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}
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/**
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* Update an existing admin.
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*
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* @param array $admin Associative array with the admin data.
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*
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* @return int Returns the admin ID.
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*
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* @throws RuntimeException
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*/
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protected function update(array $admin): int
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{
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$settings = $admin['settings'];
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$settings['id_users'] = $admin['id'];
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unset($admin['settings']);
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if ( ! empty($settings['password']))
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{
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$existing_settings = $this->db->get_where('user_settings', ['id_users' => $admin['id']])->row_array();
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if (empty($existing_settings))
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{
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throw new RuntimeException('No settings record found for admin with ID: ' . $admin['id']);
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}
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$settings['password'] = hash_password($existing_settings['salt'], $settings['password']);
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}
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if ( ! $this->db->update('users', $admin, ['id' => $admin['id']]))
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{
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throw new RuntimeException('Could not update admin.');
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}
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$this->save_settings($admin['id'], $settings);
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return $admin['id'];
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}
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/**
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* Remove an existing admin from the database.
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*
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* @param int $admin_id Admin ID.
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*
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* @throws RuntimeException
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*/
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public function delete(int $admin_id): void
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{
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$role_id = $this->get_admin_role_id();
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$count = $this->db->get_where('users', ['id_roles' => $role_id])->num_rows();
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if ($count === 1)
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{
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throw new RuntimeException('Record could not be deleted as the app requires at least one admin user.');
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}
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if ( ! $this->db->delete('users', ['id' => $admin_id]))
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{
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throw new RuntimeException('Could not delete admin.');
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}
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}
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/**
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* Get a specific admin from the database.
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*
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* @param int $admin_id The ID of the record to be returned.
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*
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* @return array Returns an array with the admin data.
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*
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* @throws InvalidArgumentException
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*/
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public function find(int $admin_id): array
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{
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if ( ! $this->db->get_where('users', ['id' => $admin_id])->num_rows())
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{
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throw new InvalidArgumentException('The provided admin ID was not found in the database: ' . $admin_id);
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}
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$admin = $this->db->get_where('users', ['id' => $admin_id])->row_array();
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$admin['settings'] = $this->db->get_where('user_settings', ['id_users' => $admin_id])->row_array();
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unset(
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$admin['settings']['id_users'],
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$admin['settings']['password'],
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$admin['settings']['salt']
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);
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return $admin;
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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 $admin_id Admin 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 admin 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 $admin_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($admin_id))
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{
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throw new InvalidArgumentException('The admin ID argument cannot be empty.');
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}
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// Check whether the admin exists.
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$query = $this->db->get_where('users', ['id' => $admin_id]);
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if ( ! $query->num_rows())
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{
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throw new InvalidArgumentException('The provided admin ID was not found in the database: ' . $admin_id);
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}
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// Check if the required field is part of the admin data.
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$admin = $query->row_array();
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if ( ! array_key_exists($field, $admin))
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{
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throw new InvalidArgumentException('The requested field was not found in the admin data: ' . $field);
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}
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return $admin[$field];
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}
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/**
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* Get all admins 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 $order_by Order by.
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*
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* @return array Returns an array of admins.
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*/
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public function get($where = NULL, int $limit = NULL, int $offset = NULL, string $order_by = NULL): array
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{
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$role_id = $this->get_admin_role_id();
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if ($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($order_by);
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}
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$admins = $this->db->get_where('users', ['id_roles' => $role_id], $limit, $offset)->result_array();
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foreach ($admins as &$admin)
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{
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$admin['settings'] = $this->db->get_where('user_settings', ['id_users' => $admin['id']])->row_array();
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unset(
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$admin['settings']['id_users'],
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$admin['settings']['password'],
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$admin['settings']['salt']
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);
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}
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return $admins;
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}
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/**
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* Get the admin role ID.
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*
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* @return int Returns the role ID.
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*/
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public function get_admin_role_id(): int
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{
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$role = $this->db->get_where('roles', ['slug' => DB_SLUG_ADMIN])->row_array();
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if (empty($role))
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{
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throw new RuntimeException('The admin role was not found in the database.');
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}
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return $role['id'];
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}
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/**
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* Save the admin settings.
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*
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* @param int $admin_id Admin ID.
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* @param array $settings Associative array with the settings data.
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*
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* @throws InvalidArgumentException
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*/
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protected function save_settings(int $admin_id, array $settings): void
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{
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if (empty($settings))
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{
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throw new InvalidArgumentException('The settings argument cannot be empty.');
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}
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// Make sure the settings record exists in the database.
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$count = $this->db->get_where('user_settings', ['id_users' => $admin_id])->num_rows();
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if ( ! $count)
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{
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$this->db->insert('user_settings', ['id_users' => $admin_id]);
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}
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foreach ($settings as $name => $value)
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{
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$this->set_setting($admin_id, $name, $value);
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}
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}
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/**
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* Set the value of an admin setting.
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*
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* @param int $admin_id Admin ID.
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* @param string $name Setting name.
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* @param string $value Setting value.
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*/
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public function set_setting(int $admin_id, string $name, string $value): void
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{
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if ( ! $this->db->update('user_settings', [$name => $value], ['id_users' => $admin_id]))
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{
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throw new RuntimeException('Could not set the new admin setting value: ' . $name);
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}
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}
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/**
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* Get the value of an admin setting.
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*
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* @param int $admin_id Admin ID.
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* @param string $name Setting name.
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*
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* @return string Returns the value of the requested user setting.
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*/
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public function get_setting(int $admin_id, string $name): string
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{
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$settings = $this->db->get_where('user_settings', ['id_users' => $admin_id])->row_array();
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if (empty($settings))
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{
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throw new RuntimeException('The requested setting value was not found: ' . $admin_id);
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}
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return $settings[$name];
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}
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/**
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* Get the query builder interface, configured for use with the users (admin-filtered) 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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$role_id = $this->get_admin_role_id();
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return $this->db->from('users')->where('id_roles', $role_id);
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}
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/**
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* Search admins 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 admins.
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*/
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public function search(string $keyword, int $limit = NULL, int $offset = NULL, string $order_by = NULL): array
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{
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$role_id = $this->get_admin_role_id();
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return $this
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->db
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->select()
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->from('users')
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->where('id_roles', $role_id)
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->like('first_name', $keyword)
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->or_like('last_name', $keyword)
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->or_like('email', $keyword)
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->or_like('phone_number', $keyword)
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->or_like('mobile_number', $keyword)
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->or_like('address', $keyword)
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->or_like('city', $keyword)
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->or_like('state', $keyword)
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->or_like('zip_code', $keyword)
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->or_like('notes', $keyword)
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->limit($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 admin.
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*
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* @param array $admin Associative array with the admin data.
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* @param array $resources Resource names to be attached.
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*
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* @throws InvalidArgumentException
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*/
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public function attach(array &$admin, array $resources): void
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{
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// Admins do not currently have any related resources (settings are already part of the admins).
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}
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}
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