MaketRandevu/application/models/Customers_model.php

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<?php defined('BASEPATH') or exit('No direct script access allowed');
/* ----------------------------------------------------------------------------
* Easy!Appointments - Open Source Web Scheduler
*
* @package EasyAppointments
* @author A.Tselegidis <alextselegidis@gmail.com>
* @copyright Copyright (c) 2013 - 2020, Alex Tselegidis
* @license http://opensource.org/licenses/GPL-3.0 - GPLv3
* @link http://easyappointments.org
* @since v1.0.0
* ---------------------------------------------------------------------------- */
/**
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* Customers model
*
* Handles all the database operations of the customer resource.
*
* @package Models
*/
class Customers_model extends EA_Model {
/**
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* Save (insert or update) a customer.
*
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* @param array $customer Associative array with the customer data.
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*
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* @return int Returns the customer ID.
*
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* @throws InvalidArgumentException
*/
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public function save(array $customer): int
{
$this->validate($customer);
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if ($this->exists($customer) && empty($customer['id']))
{
$customer['id'] = $this->find_record_id($customer);
}
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if (empty($customer['id']))
{
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return $this->insert($customer);
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}
else
{
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return $this->update($customer);
}
}
/**
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* Validate the customer data.
*
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* @param array $customer Associative array with the customer data.
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*
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* @throws InvalidArgumentException
*/
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public function validate(array $customer)
{
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// If a customer ID is provided then check whether the record really exists in the database.
if ( ! empty($customer['id']))
{
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$count = $this->db->get_where('users', ['id' => $customer['id']])->num_rows();
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if ( ! $count)
{
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throw new InvalidArgumentException('The provided customer ID does not exist in the database: ' . $customer['id']);
}
}
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// Make sure all required fields are provided.
$phone_number_required = filter_var(setting('require_phone_number'), FILTER_VALIDATE_BOOLEAN);
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if (
empty($customer['first_name'])
|| empty($customer['last_name'])
|| empty($customer['email'])
|| (empty($customer['phone_number']) && $phone_number_required)
)
{
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throw new InvalidArgumentException('Not all required fields are provided: ' . print_r($customer, TRUE));
}
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// Validate the email address.
if ( ! filter_var($customer['email'], FILTER_VALIDATE_EMAIL))
{
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throw new InvalidArgumentException('Invalid email address provided: ' . $customer['email']);
}
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// Make sure the email address is unique.
$customer_id = $customer['id'] ?? NULL;
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$count = $this
->db
->select()
->from('users')
->join('roles', 'roles.id = users.id_roles', 'inner')
->where('roles.slug', DB_SLUG_CUSTOMER)
->where('users.email', $customer['email'])
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->where('users.id !=', $customer_id)
->get()
->num_rows();
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if ($count > 0)
{
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throw new InvalidArgumentException('The provided email address is already in use, please use a different one.');
}
}
/**
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* Insert a new customer into the database.
*
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* @param array $customer Associative array with the customer data.
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*
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* @return int Returns the customer ID.
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*
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* @throws RuntimeException
*/
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protected function insert(array $customer): int
{
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$customer['id_roles'] = $this->get_customer_role_id();
if ( ! $this->db->insert('users', $customer))
{
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throw new RuntimeException('Could not insert customer.');
}
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return $this->db->insert_id();
}
/**
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* Update an existing customer.
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*
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* @param array $customer Associative array with the customer data.
*
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* @return int Returns the customer ID.
*
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* @throws RuntimeException
*/
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protected function update(array $customer): int
{
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if ( ! $this->db->update('users', $customer, ['id' => $customer['id']]))
{
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throw new RuntimeException('Could not update customer.');
}
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return $customer['id'];
}
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/**
* Remove an existing customer from the database.
*
* @param int $customer_id Customer ID.
*
* @throws RuntimeException
*/
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public function delete(int $customer_id)
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{
if ( ! $this->db->delete('users', ['id' => $customer_id]))
{
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throw new RuntimeException('Could not delete customer.');
}
}
/**
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* Get a specific customer from the database.
*
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* @param int $customer_id The ID of the record to be returned.
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*
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* @return array Returns an array with the customer data.
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*
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* @throws InvalidArgumentException
*/
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public function find(int $customer_id): array
{
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if ( ! $this->db->get_where('users', ['id' => $customer_id])->num_rows())
{
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throw new InvalidArgumentException('The provided customer ID was not found in the database: ' . $customer_id);
}
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return $this->db->get_where('users', ['id' => $customer_id])->row_array();
}
/**
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* Get a specific field value from the database.
*
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* @param int $customer_id Customer ID.
* @param string $field Name of the value to be returned.
*
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* @return string Returns the selected customer value from the database.
*
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* @throws InvalidArgumentException
*/
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public function value(int $customer_id, string $field): string
{
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if (empty($field))
{
throw new InvalidArgumentException('The field argument is cannot be empty.');
}
if (empty($customer_id))
{
throw new InvalidArgumentException('The customer ID argument cannot be empty.');
}
// Check whether the customer exists.
$query = $this->db->get_where('users', ['id' => $customer_id]);
if ( ! $query->num_rows())
{
throw new InvalidArgumentException('The provided customer ID was not found in the database: ' . $customer_id);
}
// Check if the required field is part of the customer data.
$customer = $query->row_array();
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if ( ! array_key_exists($field, $customer))
{
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throw new InvalidArgumentException('The requested field was not found in the customer data: ' . $field);
}
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return $customer[$field];
}
/**
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* Get all customers that match the provided criteria.
*
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* @param array|string $where Where conditions.
* @param int|null $limit Record limit.
* @param int|null $offset Record offset.
* @param string|null $order_by Order by.
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*
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* @return array Returns an array of customers.
*/
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public function get($where = NULL, int $limit = NULL, int $offset = NULL, string $order_by = NULL): array
{
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$role_id = $this->get_customer_role_id();
if ($where !== NULL)
{
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$this->db->where($where);
}
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if ($order_by !== NULL)
{
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$this->db->order_by($order_by);
}
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return $this->db->get_where('users', ['id_roles' => $role_id], $limit, $offset)->result_array();
}
/**
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* Get the customer role ID.
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*
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* @return int Returns the role ID.
*/
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public function get_customer_role_id(): int
{
$role = $this->db->get_where('roles', ['slug' => DB_SLUG_CUSTOMER])->row_array();
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if (empty($role))
{
throw new RuntimeException('The customer role was not found in the database.');
}
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return $role['id'];
}
/**
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* Check if a particular customer record already exists in the database.
*
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* @param array $customer Associative array with the customer data.
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*
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* @return bool Returns whether there is a record matching the provided one or not.
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*
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* @throws InvalidArgumentException
*/
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public function exists(array $customer): bool
{
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if (empty($customer['email']))
{
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throw new InvalidArgumentException('The customer email was not provided: ' . print_r($customer, TRUE));
}
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$count = $this
->db
->select()
->from('users')
->join('roles', 'roles.id = users.id_roles', 'inner')
->where('users.email', $customer['email'])
->where('roles.slug', DB_SLUG_CUSTOMER)
->get()
->num_rows();
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return $count > 0;
}
/**
* Find the record ID of a customer.
*
* @param array $customer Associative array with the customer data.
*
* @return int Returns the ID of the record that matches the provided argument.
*
* @throws InvalidArgumentException
*/
public function find_record_id(array $customer): int
{
if (empty($customer['email']))
{
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throw new InvalidArgumentException('The customer email was not provided: ' . print_r($customer, TRUE));
}
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$customer = $this
->db
->select('users.id')
->from('users')
->join('roles', 'roles.id = users.id_roles', 'inner')
->where('users.email', $customer['email'])
->where('roles.slug', DB_SLUG_CUSTOMER)
->get()
->row_array();
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if (empty($customer))
{
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throw new InvalidArgumentException('Could not find customer record id.');
}
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return $customer['id'];
}
/**
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* Get the query builder interface, configured for use with the users (customer-filtered) table.
*
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* @return CI_DB_query_builder
*/
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public function query(): CI_DB_query_builder
{
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$role_id = $this->get_customer_role_id();
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return $this->db->from('users')->where('id_roles', $role_id);
}
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/**
* Search customers 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 customers.
*/
public function search(string $keyword, int $limit = NULL, int $offset = NULL, string $order_by = NULL): array
{
$role_id = $this->get_customer_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();
}
/**
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* Attach related resources to a customer.
*
* @param array $customer Associative array with the customer data.
* @param array $resources Resource names to be attached.
*
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* @throws InvalidArgumentException
*/
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public function attach(array &$customer, array $resources)
{
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// Customers do not currently have any related resources.
}
}