mirror of
https://github.com/alextselegidis/easyappointments.git
synced 2024-11-14 12:02:56 +03:00
343 lines
9.5 KiB
PHP
343 lines
9.5 KiB
PHP
<?php defined('BASEPATH') or exit('No direct script access allowed');
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/* ----------------------------------------------------------------------------
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* Easy!Appointments - Online Appointment 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) Alex Tselegidis
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* @license https://opensource.org/licenses/GPL-3.0 - GPLv3
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* @link https://easyappointments.org
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* @since v1.0.0
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* ---------------------------------------------------------------------------- */
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/**
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* Categories model.
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*
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* Handles all the database operations of the category resource.
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*
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* @package Models
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*/
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class Categories_model extends EA_Model {
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/**
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* @var array
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*/
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protected array $casts = [
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'id' => 'integer',
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];
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/**
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* @var array
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*/
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protected array $api_resource = [
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'id' => 'id',
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'name' => 'name',
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'description' => 'description',
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];
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/**
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* Save (insert or update) a category.
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*
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* @param array $category Associative array with the category data.
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*
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* @return int Returns the category ID.
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*
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* @throws InvalidArgumentException
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*/
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public function save(array $category): int
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{
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$this->validate($category);
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if (empty($category['id']))
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{
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return $this->insert($category);
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}
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else
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{
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return $this->update($category);
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}
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}
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/**
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* Validate the category data.
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*
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* @param array $category Associative array with the category data.
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*
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* @throws InvalidArgumentException
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*/
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public function validate(array $category)
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{
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// If a category ID is provided then check whether the record really exists in the database.
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if ( ! empty($category['id']))
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{
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$count = $this->db->get_where('categories', ['id' => $category['id']])->num_rows();
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if ( ! $count)
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{
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throw new InvalidArgumentException('The provided category ID does not exist in the database: ' . $category['id']);
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}
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}
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// Make sure all required fields are provided.
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if (
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empty($category['name'])
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)
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{
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throw new InvalidArgumentException('Not all required fields are provided: ' . print_r($category, TRUE));
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}
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}
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/**
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* Insert a new category into the database.
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*
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* @param array $category Associative array with the category data.
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*
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* @return int Returns the category ID.
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*
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* @throws RuntimeException
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*/
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protected function insert(array $category): int
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{
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$category['create_datetime'] = date('Y-m-d H:i:s');
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$category['update_datetime'] = date('Y-m-d H:i:s');
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if ( ! $this->db->insert('categories', $category))
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{
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throw new RuntimeException('Could not insert category.');
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}
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return $this->db->insert_id();
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}
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/**
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* Update an existing category.
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*
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* @param array $category Associative array with the category data.
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*
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* @return int Returns the category ID.
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*
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* @throws RuntimeException
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*/
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protected function update(array $category): int
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{
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$category['update_datetime'] = date('Y-m-d H:i:s');
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if ( ! $this->db->update('categories', $category, ['id' => $category['id']]))
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{
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throw new RuntimeException('Could not update service categories.');
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}
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return $category['id'];
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}
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/**
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* Remove an existing category from the database.
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*
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* @param int $category_id Category ID.
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*
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* @throws RuntimeException
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*/
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public function delete(int $category_id): void
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{
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$this->db->delete('categories', ['id' => $category_id]);
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}
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/**
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* Get a specific category from the database.
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*
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* @param int $category_id The ID of the record to be returned.
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*
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* @return array Returns an array with the category data.
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*
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* @throws InvalidArgumentException
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*/
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public function find(int $category_id): array
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{
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$category = $this->db->get_where('categories', ['id' => $category_id])->row_array();
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if ( ! $category)
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{
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throw new InvalidArgumentException('The provided category ID was not found in the database: ' . $category_id);
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}
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$this->cast($category);
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return $category;
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}
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/**
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* Get a specific field value from the database.
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*
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* @param int $category_id Category ID.
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* @param string $field Name of the value to be returned.
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*
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* @return mixed Returns the selected category value from the database.
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*
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* @throws InvalidArgumentException
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*/
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public function value(int $category_id, string $field): mixed
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{
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if (empty($field))
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{
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throw new InvalidArgumentException('The field argument is cannot be empty.');
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}
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if (empty($category_id))
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{
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throw new InvalidArgumentException('The category ID argument cannot be empty.');
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}
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// Check whether the service exists.
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$query = $this->db->get_where('categories', ['id' => $category_id]);
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if ( ! $query->num_rows())
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{
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throw new InvalidArgumentException('The provided category ID was not found in the database: ' . $category_id);
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}
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// Check if the required field is part of the category data.
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$category = $query->row_array();
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$this->cast($category);
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if ( ! array_key_exists($field, $category))
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{
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throw new InvalidArgumentException('The requested field was not found in the category data: ' . $field);
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}
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return $category[$field];
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}
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/**
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* Get all services that match the provided criteria.
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*
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* @param array|string|null $where Where conditions
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* @param int|null $limit Record limit.
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* @param int|null $offset Record offset.
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* @param string|null $order_by Order by.
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*
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* @return array Returns an array of service categories.
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*/
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public function get(array|string $where = NULL, int $limit = NULL, int $offset = NULL, string $order_by = NULL): array
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{
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if ($where !== NULL)
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{
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$this->db->where($where);
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}
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if ($order_by !== NULL)
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{
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$this->db->order_by($order_by);
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}
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$categories = $this->db->get('categories', $limit, $offset)->result_array();
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foreach ($categories as &$category)
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{
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$this->cast($category);
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}
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return $categories;
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}
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/**
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* Get the query builder interface, configured for use with the service categories table.
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*
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* @return CI_DB_query_builder
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*/
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public function query(): CI_DB_query_builder
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{
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return $this->db->from('categories');
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}
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/**
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* Search service categories by the provided keyword.
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*
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* @param string $keyword Search keyword.
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* @param int|null $limit Record limit.
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* @param int|null $offset Record offset.
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* @param string|null $order_by Order by.
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*
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* @return array Returns an array of service categories.
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*/
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public function search(string $keyword, int $limit = NULL, int $offset = NULL, string $order_by = NULL): array
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{
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$categories = $this
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->db
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->select()
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->from('categories')
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->group_start()
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->like('name', $keyword)
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->or_like('description', $keyword)
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->group_end()
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->limit($limit)
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->offset($offset)
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->order_by($order_by)
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->get()
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->result_array();
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foreach ($categories as &$category)
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{
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$this->cast($category);
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}
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return $categories;
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}
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/**
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* Load related resources to a category.
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*
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* @param array $category Associative array with the category data.
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* @param array $resources Resource names to be attached.
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*
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* @throws InvalidArgumentException
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*/
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public function load(array &$category, array $resources)
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{
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// Service categories do not currently have any related resources.
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}
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/**
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* Convert the database category record to the equivalent API resource.
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*
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* @param array $category Category data.
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*/
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public function api_encode(array &$category)
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{
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$encoded_resource = [
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'id' => array_key_exists('id', $category) ? (int)$category['id'] : NULL,
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'name' => $category['name'],
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'description' => array_key_exists('description', $category) ? $category['description'] : NULL
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];
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$category = $encoded_resource;
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}
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/**
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* Convert the API resource to the equivalent database category record.
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*
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* @param array $category API resource.
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* @param array|null $base Base category data to be overwritten with the provided values (useful for updates).
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*/
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public function api_decode(array &$category, array $base = NULL)
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{
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$decoded_resource = $base ?: [];
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if (array_key_exists('id', $category))
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{
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$decoded_resource['id'] = $category['id'];
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}
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if (array_key_exists('name', $category))
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{
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$decoded_resource['name'] = $category['name'];
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}
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if (array_key_exists('description', $category))
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{
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$decoded_resource['description'] = $category['description'];
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}
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$category = $decoded_resource;
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}
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}
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