forked from mirrors/easyappointments
560 lines
19 KiB
PHP
560 lines
19 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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* Secretaries Model
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*
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* Handles the db actions that have to do with secretaries.
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*
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* @property CI_DB_query_builder $db
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* @property CI_Loader $load
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*
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* @package Models
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*/
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class Secretaries_model extends CI_Model {
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/**
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* Secretaries_Model constructor.
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*/
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public function __construct()
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{
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parent::__construct();
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$this->load->helper('general');
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$this->load->helper('data_validation');
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}
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/**
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* Add (insert or update) a secretary user record into database.
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*
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* @param array $secretary Contains the secretary user data.
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*
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* @return int Returns the record id.
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*
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* @throws Exception When the secretary data are invalid (see validate() method).
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*/
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public function add($secretary)
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{
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$this->validate($secretary);
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if ($this->exists($secretary) && ! isset($secretary['id']))
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{
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$secretary['id'] = $this->find_record_id($secretary);
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}
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if ( ! isset($secretary['id']))
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{
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$secretary['id'] = $this->insert($secretary);
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}
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else
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{
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$secretary['id'] = $this->update($secretary);
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}
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return (int)$secretary['id'];
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}
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/**
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* Validate secretary user data before add() operation is executed.
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*
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* @param array $secretary Contains the secretary user data.
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*
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* @return bool Returns the validation result.
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*
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* @throws Exception If secretary validation fails.
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*/
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public function validate($secretary)
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{
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// If a record id is provided then check whether the record exists in the database.
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if (isset($secretary['id']))
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{
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$num_rows = $this->db->get_where('users', ['id' => $secretary['id']])
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->num_rows();
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if ($num_rows == 0)
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{
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throw new Exception('Given secretary id does not exist in database: ' . $secretary['id']);
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}
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}
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// Validate 'providers' value data type (must be array)
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if (isset($secretary['providers']) && ! is_array($secretary['providers']))
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{
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throw new Exception('Secretary providers value is not an array.');
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}
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// Validate required fields integrity.
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if ( ! isset($secretary['last_name'])
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|| ! isset($secretary['email'])
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|| ! isset($secretary['phone_number']))
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{
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throw new Exception('Not all required fields are provided: ' . print_r($secretary, TRUE));
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}
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// Validate secretary email address.
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if ( ! filter_var($secretary['email'], FILTER_VALIDATE_EMAIL))
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{
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throw new Exception('Invalid email address provided: ' . $secretary['email']);
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}
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// Check if username exists.
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if (isset($secretary['settings']['username']))
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{
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$user_id = (isset($secretary['id'])) ? $secretary['id'] : '';
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if ( ! $this->validate_username($secretary['settings']['username'], $user_id))
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{
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throw new Exception ('Username already exists. Please select a different '
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. 'username for this record.');
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}
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}
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// Validate secretary password.
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if (isset($secretary['settings']['password']))
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{
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if (strlen($secretary['settings']['password']) < MIN_PASSWORD_LENGTH)
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{
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throw new Exception('The user password must be at least '
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. MIN_PASSWORD_LENGTH . ' characters long.');
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}
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}
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// Validate calendar view mode.
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if (isset($secretary['settings']['calendar_view']) && ($secretary['settings']['calendar_view'] !== CALENDAR_VIEW_DEFAULT
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&& $secretary['settings']['calendar_view'] !== CALENDAR_VIEW_TABLE))
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{
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throw new Exception('The calendar view setting must be either "' . CALENDAR_VIEW_DEFAULT
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. '" or "' . CALENDAR_VIEW_TABLE . '", given: ' . $secretary['settings']['calendar_view']);
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}
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// When inserting a record the email address must be unique.
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$secretary_id = (isset($secretary['id'])) ? $secretary['id'] : '';
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$num_rows = $this->db
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->select('*')
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->from('users')
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->join('roles', 'roles.id = users.id_roles', 'inner')
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->where('roles.slug', DB_SLUG_SECRETARY)
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->where('users.email', $secretary['email'])
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->where('users.id <>', $secretary_id)
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->get()
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->num_rows();
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if ($num_rows > 0)
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{
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throw new Exception('Given email address belongs to another secretary record. '
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. 'Please use a different email.');
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}
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return TRUE;
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}
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/**
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* Validate Records Username
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*
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* @param string $username The provider records username.
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* @param int $user_id The user record id.
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*
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* @return bool Returns the validation result.
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*/
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public function validate_username($username, $user_id)
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{
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$num_rows = $this->db->get_where('user_settings',
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['username' => $username, 'id_users <> ' => $user_id])->num_rows();
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return ($num_rows > 0) ? FALSE : TRUE;
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}
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/**
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* Check whether a particular secretary record exists in the database.
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*
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* @param array $secretary Contains the secretary data. The 'email' value is required to be present at the moment.
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*
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* @return bool Returns whether the record exists or not.
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*
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* @throws Exception When the 'email' value is not present on the $secretary argument.
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*/
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public function exists($secretary)
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{
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if ( ! isset($secretary['email']))
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{
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throw new Exception('Secretary email is not provided: ' . print_r($secretary, TRUE));
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}
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// This method shouldn't depend on another method of this class.
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$num_rows = $this->db
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->select('*')
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->from('users')
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->join('roles', 'roles.id = users.id_roles', 'inner')
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->where('users.email', $secretary['email'])
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->where('roles.slug', DB_SLUG_SECRETARY)
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->get()->num_rows();
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return ($num_rows > 0) ? TRUE : FALSE;
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}
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/**
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* Find the database record id of a secretary.
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*
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* @param array $secretary Contains the secretary data. The 'email' value is required in order to find the record id.
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*
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* @return int Returns the record id
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*
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* @throws Exception When the 'email' value is not present on the $secretary array.
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*/
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public function find_record_id($secretary)
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{
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if ( ! isset($secretary['email']))
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{
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throw new Exception('Secretary email was not provided: ' . print_r($secretary, TRUE));
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}
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$result = $this->db
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->select('users.id')
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->from('users')
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->join('roles', 'roles.id = users.id_roles', 'inner')
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->where('users.email', $secretary['email'])
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->where('roles.slug', DB_SLUG_SECRETARY)
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->get();
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if ($result->num_rows() == 0)
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{
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throw new Exception('Could not find secretary record id.');
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}
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return (int)$result->row()->id;
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}
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/**
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* Insert a new secretary record into the database.
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*
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* @param array $secretary Contains the secretary data.
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*
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* @return int Returns the new record id.
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*
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* @throws Exception When the insert operation fails.
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*/
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protected function insert($secretary)
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{
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$providers = $secretary['providers'];
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unset($secretary['providers']);
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$settings = $secretary['settings'];
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unset($secretary['settings']);
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$secretary['id_roles'] = $this->get_secretary_role_id();
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if ( ! $this->db->insert('users', $secretary))
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{
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throw new Exception('Could not insert secretary into the database.');
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}
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$secretary['id'] = (int)$this->db->insert_id();
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$settings['salt'] = generate_salt();
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$settings['password'] = hash_password($settings['salt'], $settings['password']);
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$this->save_providers($providers, $secretary['id']);
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$this->save_settings($settings, $secretary['id']);
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return $secretary['id'];
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}
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/**
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* Get the secretary users role id.
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*
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* @return int Returns the role record id.
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*/
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public function get_secretary_role_id()
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{
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return (int)$this->db->get_where('roles', ['slug' => DB_SLUG_SECRETARY])->row()->id;
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}
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/**
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* Save a secretary handling users.
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*
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* @param array $providers Contains the provider ids that are handled by the secretary.
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* @param int $secretary_id The selected secretary record.
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*
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* @throws Exception If $providers argument is invalid.
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*/
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protected function save_providers($providers, $secretary_id)
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{
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if ( ! is_array($providers))
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{
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throw new Exception('Invalid argument given $providers: ' . print_r($providers, TRUE));
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}
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// Delete old connections
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$this->db->delete('secretaries_providers', ['id_users_secretary' => $secretary_id]);
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if (count($providers) > 0)
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{
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foreach ($providers as $provider_id)
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{
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$this->db->insert('secretaries_providers', [
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'id_users_secretary' => $secretary_id,
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'id_users_provider' => $provider_id
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]);
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}
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}
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}
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/**
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* Save the secretary settings (used from insert or update operation).
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*
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* @param array $settings Contains the setting values.
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* @param int $secretary_id Record id of the secretary.
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*
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* @throws Exception If $secretary_id argument is invalid.
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* @throws Exception If $settings argument is invalid.
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*/
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protected function save_settings($settings, $secretary_id)
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{
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if ( ! is_numeric($secretary_id))
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{
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throw new Exception('Invalid $secretary_id argument given:' . $secretary_id);
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}
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if (count($settings) == 0 || ! is_array($settings))
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{
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throw new Exception('Invalid $settings argument given:' . print_r($settings, TRUE));
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}
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// Check if the setting record exists in db.
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$num_rows = $this->db->get_where('user_settings',
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['id_users' => $secretary_id])->num_rows();
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if ($num_rows == 0)
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{
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$this->db->insert('user_settings', ['id_users' => $secretary_id]);
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}
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foreach ($settings as $name => $value)
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{
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$this->set_setting($name, $value, $secretary_id);
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}
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}
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/**
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* Set a provider's setting value in the database.
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*
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* The provider and settings record must already exist.
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*
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* @param string $setting_name The setting's name.
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* @param string $value The setting's value.
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* @param int $secretary_id The selected provider id.
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*/
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public function set_setting($setting_name, $value, $secretary_id)
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{
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$this->db->where(['id_users' => $secretary_id]);
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return $this->db->update('user_settings', [$setting_name => $value]);
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}
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/**
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* Update an existing secretary record in the database.
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*
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* @param array $secretary Contains the secretary record data.
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*
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* @return int Returns the record id.
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*
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* @throws Exception When the update operation fails.
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*/
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protected function update($secretary)
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{
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$providers = $secretary['providers'];
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unset($secretary['providers']);
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$settings = $secretary['settings'];
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unset($secretary['settings']);
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if (isset($settings['password']))
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{
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$salt = $this->db->get_where('user_settings', ['id_users' => $secretary['id']])->row()->salt;
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$settings['password'] = hash_password($salt, $settings['password']);
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}
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$this->db->where('id', $secretary['id']);
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if ( ! $this->db->update('users', $secretary))
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{
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throw new Exception('Could not update secretary record.');
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}
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$this->save_providers($providers, $secretary['id']);
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$this->save_settings($settings, $secretary['id']);
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return (int)$secretary['id'];
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}
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/**
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* Delete an existing secretary record from the database.
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*
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* @param int $secretary_id The secretary record id to be deleted.
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*
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* @return bool Returns the delete operation result.
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*
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* @throws Exception When the $secretary_id is not a valid int value.
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*/
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public function delete($secretary_id)
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{
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if ( ! is_numeric($secretary_id))
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{
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throw new Exception('Invalid argument type $secretary_id: ' . $secretary_id);
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}
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$num_rows = $this->db->get_where('users', ['id' => $secretary_id])->num_rows();
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if ($num_rows == 0)
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{
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return FALSE; // Record does not exist in database.
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}
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return $this->db->delete('users', ['id' => $secretary_id]);
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}
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/**
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* Get a specific secretary record from the database.
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*
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* @param int $secretary_id The id of the record to be returned.
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*
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* @return array Returns an array with the secretary user data.
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*
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* @throws Exception When the $secretary_id is not a valid int value.
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* @throws Exception When given record id does not exist in the database.
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*/
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public function get_row($secretary_id)
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{
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if ( ! is_numeric($secretary_id))
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{
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throw new Exception('$secretary_id argument is not a valid numeric value: ' . $secretary_id);
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}
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// Check if record exists
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if ($this->db->get_where('users', ['id' => $secretary_id])->num_rows() == 0)
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{
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throw new Exception('The given secretary id does not match a record in the database.');
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}
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$secretary = $this->db->get_where('users', ['id' => $secretary_id])->row_array();
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$secretary_providers = $this->db->get_where('secretaries_providers',
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['id_users_secretary' => $secretary['id']])->result_array();
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$secretary['providers'] = [];
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foreach ($secretary_providers as $secretary_provider)
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{
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$secretary['providers'][] = $secretary_provider['id_users_provider'];
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}
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$secretary['settings'] = $this->db->get_where('user_settings',
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['id_users' => $secretary['id']])->row_array();
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unset($secretary['settings']['id_users'], $secretary['settings']['salt']);
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return $secretary;
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}
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/**
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* Get a specific field value from the database.
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*
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* @param string $field_name The field name of the value to be returned.
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* @param int $secretary_id Record id of the value to be returned.
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*
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* @return string Returns the selected record value from the database.
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*
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* @throws Exception When the $field_name argument is not a valid string.
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* @throws Exception When the $secretary_id is not a valid int.
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* @throws Exception When the secretary record does not exist in the database.
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* @throws Exception When the selected field value is not present on database.
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*/
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public function get_value($field_name, $secretary_id)
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{
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if ( ! is_string($field_name))
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{
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throw new Exception('$field_name argument is not a string: ' . $field_name);
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}
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if ( ! is_numeric($secretary_id))
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{
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throw new Exception('$secretary_id argument is not a valid numeric value: ' . $secretary_id);
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}
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// Check whether the secretary record exists.
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$result = $this->db->get_where('users', ['id' => $secretary_id]);
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if ($result->num_rows() == 0)
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{
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throw new Exception('The record with the given id does not exist in the '
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. 'database: ' . $secretary_id);
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}
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// Check if the required field name exist in database.
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$provider = $result->row_array();
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if ( ! isset($provider[$field_name]))
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{
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throw new Exception('The given $field_name argument does not exist in the '
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. 'database: ' . $field_name);
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}
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return $provider[$field_name];
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}
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/**
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* Get all, or specific secretary records from database.
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*
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* @param mixed|null $where (OPTIONAL) The WHERE clause of the query to be executed. Use this to get
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* specific secretary records.
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* @param mixed|null $order_by
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* @param int|null $limit
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* @param int|null $offset
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* @return array Returns an array with secretary records.
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*/
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public function get_batch($where = NULL, $order_by = NULL, $limit = NULL, $offset = NULL)
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{
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$role_id = $this->get_secretary_role_id();
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if ($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($order_by);
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}
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$batch = $this->db->get_where('users', ['id_roles' => $role_id], $limit, $offset)->result_array();
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// Include every secretary providers.
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foreach ($batch as &$secretary)
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{
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$secretary_providers = $this->db->get_where('secretaries_providers',
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['id_users_secretary' => $secretary['id']])->result_array();
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$secretary['providers'] = [];
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foreach ($secretary_providers as $secretary_provider)
|
|
{
|
|
$secretary['providers'][] = $secretary_provider['id_users_provider'];
|
|
}
|
|
|
|
$secretary['settings'] = $this->db->get_where('user_settings',
|
|
['id_users' => $secretary['id']])->row_array();
|
|
unset($secretary['settings']['id_users']);
|
|
}
|
|
|
|
return $batch;
|
|
}
|
|
|
|
/**
|
|
* Get a providers setting from the database.
|
|
*
|
|
* @param string $setting_name The setting name that is going to be returned.
|
|
* @param int $secretary_id The selected provider id.
|
|
*
|
|
* @return string Returns the value of the selected user setting.
|
|
*/
|
|
public function get_setting($setting_name, $secretary_id)
|
|
{
|
|
$provider_settings = $this->db->get_where('user_settings',
|
|
['id_users' => $secretary_id])->row_array();
|
|
return $provider_settings[$setting_name];
|
|
}
|
|
}
|