Updated the admins model class.
This commit is contained in:
Alex Tselegidis
parent
f5471b0f2b
commit
5f2e5f1d28
1 changed files with 298 additions and 259 deletions
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@ -12,128 +12,125 @@
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* ---------------------------------------------------------------------------- */
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/**
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* Admins Model Class
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* Admins model
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*
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* Handles the database actions for admin users management.
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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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$this->load->helper('general');
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$this->load->helper('data_validation');
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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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* Add (insert or update) an admin user record into database.
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* Save (insert or update) an admin.
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*
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* @param array $admin Contains the admin user data.
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* @param array $admin Associative array with the admin data.
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*
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* @return int Returns the record id.
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* @return int Returns the admin ID.
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*
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* @throws Exception When the admin data are invalid (see validate() method).
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* @throws InvalidArgumentException
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*/
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public function add($admin)
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public function save(array $admin): int
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{
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$this->validate($admin);
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if ($this->exists($admin) && ! isset($admin['id']))
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if (empty($admin['id']))
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{
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$admin['id'] = $this->find_record_id($admin);
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}
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if ( ! isset($admin['id']))
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{
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$admin['id'] = $this->insert($admin);
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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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$admin['id'] = $this->update($admin);
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return $this->update($admin);
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}
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return (int)$admin['id'];
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}
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/**
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* Validate admin user data before add() operation is executed.
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* Validate the admin data.
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*
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* @param array $admin Contains the admin user data.
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* @param array $admin Associative array with the admin data.
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*
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* @return bool Returns the validation result.
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*
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* @throws Exception When data are invalid.
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* @throws InvalidArgumentException
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*/
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public function validate($admin)
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public function validate(array $admin): void
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{
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// If a record id is provided then check whether the record exists in the database.
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if (isset($admin['id']))
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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($admin['id']))
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{
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$num_rows = $this->db->get_where('users', ['id' => $admin['id']])->num_rows();
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$count = $this->db->get_where('users', ['id' => $admin['id']])->num_rows();
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if ($num_rows === 0)
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if ( ! $count)
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{
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throw new Exception('Given admin id does not exist in database: ' . $admin['id']);
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throw new InvalidArgumentException('The provided admin ID does not exist in the database: ' . $admin['id']);
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}
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}
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// Validate required fields integrity.
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if ( ! isset(
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$admin['last_name'],
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$admin['email'],
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$admin['phone_number']
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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 Exception('Not all required fields are provided: ' . print_r($admin, TRUE));
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throw new InvalidArgumentException('Not all required fields are provided: ' . print_r($admin, TRUE));
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}
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// Validate admin email address.
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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 Exception('Invalid email address provided: ' . $admin['email']);
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throw new InvalidArgumentException('Invalid email address provided: ' . $admin['email']);
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}
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// Check if username exists.
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if (isset($admin['settings']['username']))
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// Make sure the username is unique.
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if ( ! empty($admin['settings']['username']))
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{
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$user_id = (isset($admin['id'])) ? $admin['id'] : '';
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if ( ! $this->validate_username($admin['settings']['username'], $user_id))
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$admin_id = $admin['id'] ?? NULL;
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if ( ! $this->validate_username($admin['settings']['username'], $admin_id))
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{
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throw new Exception ('Username already exists. Please select a different '
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. 'username for this record.');
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throw new InvalidArgumentException('The provided username is already in use, please use a different one.');
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}
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}
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// Validate admin password
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if (isset($admin['settings']['password']))
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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 Exception('The user password must be at least '
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. MIN_PASSWORD_LENGTH . ' characters long.');
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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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if ( ! isset($admin['id']) && ! isset($admin['settings']['password']))
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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 Exception('The user password cannot be empty for new users.');
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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 mode.
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if (isset($admin['settings']['calendar_view']) && ($admin['settings']['calendar_view'] !== CALENDAR_VIEW_DEFAULT
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&& $admin['settings']['calendar_view'] !== CALENDAR_VIEW_TABLE))
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// Validate calendar view type value.
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if (
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! empty($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 Exception('The calendar view setting must be either "' . CALENDAR_VIEW_DEFAULT
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. '" or "' . CALENDAR_VIEW_TABLE . '", given: ' . $admin['settings']['calendar_view']);
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throw new InvalidArgumentException('The provided calendar view is invalid: ' . $admin['settings']['calendar_view']);
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}
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// When inserting a record the email address must be unique.
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$admin_id = isset($admin['id']) ? $admin['id'] : '';
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// Make sure the email address is unique.
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$admin_id = $admin['id'] ?? NULL;
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$num_rows = $this->db
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->select('*')
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$count = $this
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->db
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->select()
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->from('users')
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->join('roles', 'roles.id = users.id_roles', 'inner')
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->where('roles.slug', DB_SLUG_ADMIN)
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@ -142,244 +139,146 @@ class Admins_model extends EA_Model {
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->get()
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->num_rows();
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if ($num_rows > 0)
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if ($count > 0)
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{
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throw new Exception('Given email address belongs to another admin record. '
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. 'Please use a different email.');
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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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return TRUE; // Operation completed successfully.
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}
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/**
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* Validate Records Username
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* Validate the admin 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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* @param string $username Admin username.
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* @param int|null $admin_id Admin ID.
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*
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* @return bool Returns the validation result.
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*/
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public function validate_username($username, $user_id)
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public function validate_username(string $username, int $admin_id = NULL): bool
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{
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if ( ! empty($user_id))
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if ( ! empty($admin_id))
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{
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$this->db->where('id_users !=', $user_id);
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$this->db->where('id_users !=', $admin_id);
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}
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$this->db->where('username', $username);
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return $this->db->get('user_settings')->num_rows() === 0;
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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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* Check whether a particular admin record exists in the database.
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* Insert a new admin into the database.
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*
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* @param array $admin Contains the admin data. The 'email' value is required to be present at the moment.
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* @param array $admin Associative array with the admin data.
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*
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* @return bool Returns whether the record exists or not.
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* @return int Returns the admin ID.
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*
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* @throws Exception When the 'email' value is not present on the $admin argument.
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* @throws RuntimeException
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*/
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public function exists($admin)
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{
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if ( ! isset($admin['email']))
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{
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throw new Exception('Admin email is not provided: ' . print_r($admin, 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', $admin['email'])
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->where('roles.slug', DB_SLUG_ADMIN)
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->get()->num_rows();
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return $num_rows > 0;
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}
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/**
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* Find the database record id of an admin user.
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*
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* @param array $admin Contains the admin 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 $admin array.
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*/
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public function find_record_id($admin)
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{
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if ( ! isset($admin['email']))
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{
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throw new Exception('Admin email was not provided: ' . print_r($admin, 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', $admin['email'])
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->where('roles.slug', DB_SLUG_ADMIN)
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->get();
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if ($result->num_rows() == 0)
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{
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throw new Exception('Could not find admin 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 admin record into the database.
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*
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* @param array $admin Contains the admin data.
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*
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* @return int Returns the new record id.
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*
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* @throws Exception When the insert operation fails.
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*/
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protected function insert($admin)
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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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$this->db->trans_begin();
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if ( ! $this->db->insert('users', $admin))
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{
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throw new Exception('Could not insert admin into the database.');
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throw new RuntimeException('Could not insert admin.');
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}
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$admin['id'] = (int)$this->db->insert_id();
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$settings['id_users'] = $admin['id'];
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$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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// Insert admin settings.
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if ( ! $this->db->insert('user_settings', $settings))
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{
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$this->db->trans_rollback();
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throw new Exception('Could not insert admin settings into the database.');
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}
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$this->db->trans_complete();
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$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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* Get the admin users role id.
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* Update an existing admin.
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*
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* @return int Returns the role record id.
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* @param array $admin Associative array with the admin data.
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*
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* @return int Returns the admin ID.
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*
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* @throws RuntimeException
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*/
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public function get_admin_role_id()
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{
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return (int)$this->db->get_where('roles', ['slug' => DB_SLUG_ADMIN])->row()->id;
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}
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/**
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* Update an existing admin record in the database.
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*
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* @param array $admin Contains the admin record data.
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*
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* @return int Returns the record id.
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*
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* @throws Exception When the update operation fails.
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*/
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protected function update($admin)
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protected function update(array $admin): int
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{
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$settings = $admin['settings'];
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unset($admin['settings']);
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$settings['id_users'] = $admin['id'];
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unset($admin['settings']);
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if (isset($settings['password']))
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if ( ! empty($settings['password']))
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{
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$salt = $this->db->get_where('user_settings', ['id_users' => $admin['id']])->row()->salt;
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$settings['password'] = hash_password($salt, $settings['password']);
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$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'], $settings['password']);
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}
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$this->db->where('id', $admin['id']);
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if ( ! $this->db->update('users', $admin))
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if ( ! $this->db->update('users', $admin, ['id' => $admin['id']]))
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{
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throw new Exception('Could not update admin record.');
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throw new RuntimeException('Could not update admin.');
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}
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$this->db->where('id_users', $settings['id_users']);
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if ( ! $this->db->update('user_settings', $settings))
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{
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throw new Exception('Could not update admin settings.');
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}
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$this->save_settings($admin['id'], $settings);
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return (int)$admin['id'];
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return $admin['id'];
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}
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/**
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* Delete an existing admin record from the database.
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* Remove an existing admin from the database.
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*
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* @param int $admin_id The admin record id to be deleted.
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* @param int $admin_id Admin ID.
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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 $admin_id is not a valid int value.
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* @throws Exception When the record to be deleted is the only one admin user left on the system.
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* @throws RuntimeException
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*/
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public function delete($admin_id)
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public function delete(int $admin_id): void
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{
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if ( ! is_numeric($admin_id))
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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 Exception('Invalid argument type $admin_id: ' . $admin_id);
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throw new RuntimeException('Record could not be deleted as the app requires at least one admin user.');
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}
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// There must be always at least one admin user. If this is the only admin
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// the system, it cannot be deleted.
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$admin_count = $this->db->get_where('users',
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['id_roles' => $this->get_admin_role_id()])->num_rows();
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if ($admin_count == 1)
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if ( ! $this->db->delete('users', ['id' => $admin_id]))
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{
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throw new Exception('Record could not be deleted. The system requires at least '
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. 'one admin user.');
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throw new RuntimeException('Could not delete admin.');
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}
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$num_rows = $this->db->get_where('users', ['id' => $admin_id])->num_rows();
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if ($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' => $admin_id]);
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}
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/**
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* Get a specific admin record from the database.
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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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* @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 user data.
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* @return array Returns an array with the admin data.
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*
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* @throws Exception When the $admin_id is not a valid int value.
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* @throws InvalidArgumentException
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*/
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public function get_row($admin_id)
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public function find(int $admin_id): array
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{
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if ( ! is_numeric($admin_id))
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if ( ! $this->db->get_where('users', ['id' => $admin_id])->num_rows())
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{
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throw new Exception('$admin_id argument is not a valid numeric value: ' . $admin_id);
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}
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// Check if record exists
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if ($this->db->get_where('users', ['id' => $admin_id])->num_rows() == 0)
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{
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throw new Exception('The given admin id does not match a record in the database.');
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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',
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['id_users' => $admin_id])->row_array();
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unset($admin['settings']['id_users']);
|
||||
$admin['settings'] = $this->db->get_where('user_settings', ['id_users' => $admin_id])->row_array();
|
||||
|
||||
unset(
|
||||
$admin['settings']['id_users'],
|
||||
$admin['settings']['password'],
|
||||
$admin['settings']['salt']
|
||||
);
|
||||
|
||||
return $admin;
|
||||
}
|
||||
|
|
@ -387,60 +286,55 @@ class Admins_model extends EA_Model {
|
|||
/**
|
||||
* Get a specific field value from the database.
|
||||
*
|
||||
* @param string $field_name The field name of the value to be returned.
|
||||
* @param int $admin_id Record id of the value to be returned.
|
||||
* @param int $admin_id Admin ID.
|
||||
* @param string $field Name of the value to be returned.
|
||||
*
|
||||
* @return string Returns the selected record value from the database.
|
||||
* @return string Returns the selected admin value from the database.
|
||||
*
|
||||
* @throws Exception When the $field_name argument is not a valid string.
|
||||
* @throws Exception When the $admin_id is not a valid int.
|
||||
* @throws Exception When the admin record does not exist in the database.
|
||||
* @throws Exception When the selected field value is not present on database.
|
||||
* @throws InvalidArgumentException
|
||||
*/
|
||||
public function get_value($field_name, $admin_id)
|
||||
public function value(int $admin_id, string $field): string
|
||||
{
|
||||
if ( ! is_string($field_name))
|
||||
if (empty($field))
|
||||
{
|
||||
throw new Exception('$field_name argument is not a string: ' . $field_name);
|
||||
throw new InvalidArgumentException('The field argument is cannot be empty.');
|
||||
}
|
||||
|
||||
if ( ! is_numeric($admin_id))
|
||||
if (empty($admin_id))
|
||||
{
|
||||
throw new Exception('$admin_id argument is not a valid numeric value: ' . $admin_id);
|
||||
throw new InvalidArgumentException('The admin ID argument cannot be empty.');
|
||||
}
|
||||
|
||||
// Check whether the admin record exists.
|
||||
$result = $this->db->get_where('users', ['id' => $admin_id]);
|
||||
// Check whether the admin exists.
|
||||
$query = $this->db->get_where('users', ['id' => $admin_id]);
|
||||
|
||||
if ($result->num_rows() === 0)
|
||||
if ( ! $query->num_rows())
|
||||
{
|
||||
throw new Exception('The record with the given id does not exist in the '
|
||||
. 'database: ' . $admin_id);
|
||||
throw new InvalidArgumentException('The provided admin ID was not found in the database: ' . $admin_id);
|
||||
}
|
||||
|
||||
// Check if the required field name exist in database.
|
||||
$row_data = $result->row_array();
|
||||
// Check if the required field is part of the admin data.
|
||||
$admin = $query->row_array();
|
||||
|
||||
if ( ! array_key_exists($field_name, $row_data))
|
||||
if ( ! array_key_exists($field, $admin))
|
||||
{
|
||||
throw new Exception('The given $field_name argument does not exist in the '
|
||||
. 'database: ' . $field_name);
|
||||
throw new InvalidArgumentException('The requested field was not found in the admin data: ' . $field);
|
||||
}
|
||||
|
||||
return $row_data[$field_name];
|
||||
return $admin[$field];
|
||||
}
|
||||
|
||||
/**
|
||||
* Get all, or specific admin records from database.
|
||||
* Get all admins that match the provided criteria.
|
||||
*
|
||||
* @param mixed|null $where (OPTIONAL) The WHERE clause of the query to be executed.
|
||||
* @param int|null $limit
|
||||
* @param int|null $offset
|
||||
* @param mixed|null $order_by
|
||||
* @param array|string $where Where conditions.
|
||||
* @param int|null $limit Record limit.
|
||||
* @param int|null $offset Record offset.
|
||||
* @param string|null $order_by Order by.
|
||||
*
|
||||
* @return array Returns an array with admin records.
|
||||
* @return array Returns an array of admins.
|
||||
*/
|
||||
public function get_batch($where = NULL, $limit = NULL, $offset = NULL, $order_by = NULL)
|
||||
public function get($where = NULL, int $limit = NULL, int $offset = NULL, string $order_by = NULL): array
|
||||
{
|
||||
$role_id = $this->get_admin_role_id();
|
||||
|
||||
|
|
@ -454,16 +348,161 @@ class Admins_model extends EA_Model {
|
|||
$this->db->order_by($order_by);
|
||||
}
|
||||
|
||||
$batch = $this->db->get_where('users', ['id_roles' => $role_id], $limit, $offset)->result_array();
|
||||
$admins = $this->db->get_where('users', ['id_roles' => $role_id], $limit, $offset)->result_array();
|
||||
|
||||
// Get every admin settings.
|
||||
foreach ($batch as &$admin)
|
||||
foreach ($admins as &$admin)
|
||||
{
|
||||
$admin['settings'] = $this->db->get_where('user_settings',
|
||||
['id_users' => $admin['id']])->row_array();
|
||||
unset($admin['settings']['id_users']);
|
||||
$admin['settings'] = $this->db->get_where('user_settings', ['id_users' => $admin['id']])->row_array();
|
||||
|
||||
unset(
|
||||
$admin['settings']['id_users'],
|
||||
$admin['settings']['password'],
|
||||
$admin['settings']['salt']
|
||||
);
|
||||
}
|
||||
|
||||
return $batch;
|
||||
return $admins;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the admin role ID.
|
||||
*
|
||||
* @return int Returns the role ID.
|
||||
*/
|
||||
public function get_admin_role_id(): int
|
||||
{
|
||||
$role = $this->db->get_where('roles', ['slug' => DB_SLUG_ADMIN])->row_array();
|
||||
|
||||
if (empty($role))
|
||||
{
|
||||
throw new RuntimeException('The admin role was not found in the database.');
|
||||
}
|
||||
|
||||
return $role['id'];
|
||||
}
|
||||
|
||||
/**
|
||||
* Save the admin settings.
|
||||
*
|
||||
* @param int $admin_id Admin ID.
|
||||
* @param array $settings Associative array with the settings data.
|
||||
*
|
||||
* @throws InvalidArgumentException
|
||||
*/
|
||||
protected function save_settings(int $admin_id, array $settings): void
|
||||
{
|
||||
if (empty($settings))
|
||||
{
|
||||
throw new InvalidArgumentException('The settings argument cannot be empty.');
|
||||
}
|
||||
|
||||
// Make sure the settings record exists in the database.
|
||||
$count = $this->db->get_where('user_settings', ['id_users' => $admin_id])->num_rows();
|
||||
|
||||
if ( ! $count)
|
||||
{
|
||||
$this->db->insert('user_settings', ['id_users' => $admin_id]);
|
||||
}
|
||||
|
||||
foreach ($settings as $name => $value)
|
||||
{
|
||||
$this->set_setting($admin_id, $name, $value);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the value of an admin setting.
|
||||
*
|
||||
* @param int $admin_id Admin ID.
|
||||
* @param string $name Setting name.
|
||||
* @param string $value Setting value.
|
||||
*/
|
||||
public function set_setting(int $admin_id, string $name, string $value): void
|
||||
{
|
||||
if ( ! $this->db->update('user_settings', [$name => $value], ['id_users' => $admin_id]))
|
||||
{
|
||||
throw new RuntimeException('Could not set the new admin setting value: ' . $name);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the value of an admin setting.
|
||||
*
|
||||
* @param int $admin_id Admin ID.
|
||||
* @param string $name Setting name.
|
||||
*
|
||||
* @return string Returns the value of the requested user setting.
|
||||
*/
|
||||
public function get_setting(int $admin_id, string $name): string
|
||||
{
|
||||
$settings = $this->db->get_where('user_settings', ['id_users' => $admin_id])->row_array();
|
||||
|
||||
if (empty($settings))
|
||||
{
|
||||
throw new RuntimeException('The requested setting value was not found: ' . $admin_id);
|
||||
}
|
||||
|
||||
return $settings[$name];
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the query builder interface, configured for use with the users (admin-filtered) table.
|
||||
*
|
||||
* @return CI_DB_query_builder
|
||||
*/
|
||||
public function query(): CI_DB_query_builder
|
||||
{
|
||||
$role_id = $this->get_admin_role_id();
|
||||
|
||||
return $this->db->from('users')->where('id_roles', $role_id);
|
||||
}
|
||||
|
||||
/**
|
||||
* Search admins by the provided keyword.
|
||||
*
|
||||
* @param string $keyword Search keyword.
|
||||
* @param int|null $limit Record limit.
|
||||
* @param int|null $offset Record offset.
|
||||
* @param string|null $order_by Order by.
|
||||
*
|
||||
* @return array Returns an array of admins.
|
||||
*/
|
||||
public function search(string $keyword, int $limit = NULL, int $offset = NULL, string $order_by = NULL): array
|
||||
{
|
||||
$role_id = $this->get_admin_role_id();
|
||||
|
||||
return $this
|
||||
->db
|
||||
->select()
|
||||
->from('users')
|
||||
->where('id_roles', $role_id)
|
||||
->like('first_name', $keyword)
|
||||
->or_like('last_name', $keyword)
|
||||
->or_like('email', $keyword)
|
||||
->or_like('phone_number', $keyword)
|
||||
->or_like('mobile_number', $keyword)
|
||||
->or_like('address', $keyword)
|
||||
->or_like('city', $keyword)
|
||||
->or_like('state', $keyword)
|
||||
->or_like('zip_code', $keyword)
|
||||
->or_like('notes', $keyword)
|
||||
->limit($limit)
|
||||
->offset($offset)
|
||||
->order_by($order_by)
|
||||
->get()
|
||||
->result_array();
|
||||
}
|
||||
|
||||
/**
|
||||
* Attach related resources to an admin.
|
||||
*
|
||||
* @param array $admin Associative array with the admin data.
|
||||
* @param array $resources Resource names to be attached.
|
||||
*
|
||||
* @throws InvalidArgumentException
|
||||
*/
|
||||
public function attach(array &$admin, array $resources): void
|
||||
{
|
||||
// Admins do not currently have any related resources (settings are already part of the admins).
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue