easyappointments/application/core/EA_Model.php
Eero Jääskeläinen 0b0c89ba3c Added service sorting
2022-11-24 16:19:41 +02:00

379 lines
11 KiB
PHP

<?php defined('BASEPATH') or exit('No direct script access allowed');
/* ----------------------------------------------------------------------------
* Easy!Appointments - Online Appointment Scheduler
*
* @package EasyAppointments
* @author A.Tselegidis <alextselegidis@gmail.com>
* @copyright Copyright (c) Alex Tselegidis
* @license https://opensource.org/licenses/GPL-3.0 - GPLv3
* @link https://easyappointments.org
* @since v1.4.0
* ---------------------------------------------------------------------------- */
/**
* Easy!Appointments model.
*
* @property EA_Benchmark $benchmark
* @property EA_Cache $cache
* @property EA_Calendar $calendar
* @property EA_Config $config
* @property EA_DB_forge $dbforge
* @property EA_DB_query_builder $db
* @property EA_DB_utility $dbutil
* @property EA_Email $email
* @property EA_Encrypt $encrypt
* @property EA_Encryption $encryption
* @property EA_Exceptions $exceptions
* @property EA_Hooks $hooks
* @property EA_Input $input
* @property EA_Lang $lang
* @property EA_Loader $load
* @property EA_Log $log
* @property EA_Migration $migration
* @property EA_Output $output
* @property EA_Profiler $profiler
* @property EA_Router $router
* @property EA_Security $security
* @property EA_Session $session
* @property EA_Upload $upload
* @property EA_URI $uri
*/
class EA_Model extends CI_Model {
/**
* @var array
*/
protected $casts = [];
/**
* EA_Model constructor.
*/
public function __construct()
{
//
}
/**
* Get a specific field value from the database.
*
* @param string $field Name of the value to be returned.
* @param int $record_id Record ID.
*
* @return string Returns the selected record value from the database.
*
* @throws InvalidArgumentException
*
* @deprecated Since 1.5
*/
public function get_value(string $field, int $record_id): string
{
if (method_exists($this, 'value'))
{
return $this->value($field, $record_id);
}
throw new RuntimeException('The "get_value" is not defined in model: ', __CLASS__);
}
/**
* Get a specific record from the database.
*
* @param int $record_id The ID of the record to be returned.
*
* @return array Returns an array with the record data.
*
* @throws InvalidArgumentException
*
* @deprecated Since 1.5
*/
public function get_row(int $record_id): array
{
if (method_exists($this, 'find'))
{
return $this->find($record_id);
}
throw new RuntimeException('The "get_row" is not defined in model: ', __CLASS__);
}
/**
* Get all records that match the provided criteria.
*
* param array|string $where Where conditions
* @param int|null $limit Record limit.
* @param int|null $offset Record offset.
* @param string|null $order_by Order by.
*
* @return array Returns an array of records.
*/
public function get_batch($where = NULL, int $limit = NULL, int $offset = NULL, string $order_by = NULL): array
{
return $this->get($where, $limit, $offset, $order_by);
}
/**
* Save (insert or update) a record.
*
* @param array $record Associative array with the record data.
*
* @return int Returns the record ID.
*
* @throws InvalidArgumentException
*/
public function add(array $record): int
{
return $this->save($record);
}
/**
* Easily cast fields to the correct data type.
*
* The integrated MySQL library will return all values as strings, something that can easily becoming problematic,
* especially when comparing database values.
*
* @param array $record Record data.
*/
public function cast(array &$record)
{
foreach ($this->casts as $attribute => $cast)
{
if ( ! isset($record[$attribute]))
{
continue;
}
switch ($cast)
{
case 'integer':
$record[$attribute] = (int)$record[$attribute];
break;
case 'float':
$record[$attribute] = (float)$record[$attribute];
break;
case 'boolean':
$record[$attribute] = (bool)$record[$attribute];
break;
case 'string':
$record[$attribute] = (string)$record[$attribute];
break;
default:
throw new RuntimeException('Unsupported cast type provided: ' . $cast);
}
}
}
/**
* Only keep the requested fields of the provided record.
*
* @param array $record Record data (single or multiple records).
* @param array $fields Requested field names.
*/
public function only(array &$record, array $fields)
{
if (is_assoc($record))
{
$record = array_fields($record, $fields);
}
else
{
foreach ($record as &$record_item)
{
$record_item = array_fields($record_item, $fields);
}
}
}
/**
* Get the DB field name based on an API field name.
*
* @param string $api_field API resource key.
*
* @return string|null Returns the column field or null if non found.
*/
public function db_field(string $api_field): ?string
{
return $this->api_resource[$api_field] ?? NULL;
}
/**
* Sort column orders from table
*
* @param string $table Table
* @param string $column Column to sort (Default is row_order)
*/
public function sort_column(string $table, string $column = 'row_order')
{
if (empty($table))
throw new InvalidArgumentException("Table parameter must be defined");
if (empty($column))
throw new InvalidArgumentException("Column parameter must be defined");
$rows = $this->db
->select(['id', $column])
->from($table)
->order_by($column)
->get()
->result_array();
for($i=0; $i < count($rows); $i++)
{
if ($rows[$i][$column] != $i)
{
$rows[$i][$column] = $i;
if (! $this->db->update($table, [$column => $i], [ 'id'=> $rows[$i]['id'] ]))
{
throw new RuntimeException('Could not sort table '.$table . ": Db error");
}
}
else {
}
}
}
/**
* Inserts entry to desired order in table relative to user visible entries
*
* @param string $table Table
* @param array $entry Entity
* @param int $desiredOrder Desired place in table (relative to visible entities)
* @param Array [$visibleIds] Visible ids to sort on
* @param string [$order_column] Ordering Column name
*
* @throws RuntimeException
*/
public function insert_row_order_visible (string $table, array &$entry, int $desiredOrder, Array &$visibleIds = NULL, string $order_column='row_order')
{
if (empty($table))
throw new InvalidArgumentException("Table parameter must be defined");
if (empty($column))
throw new InvalidArgumentException("Column parameter must be defined");
if (!array_key_exists('id', $entry))
throw new InvalidArgumentException('Entry does not contain ID column');
if (!array_key_exists($column,$entry))
throw new InvalidArgumentException('Entry does not contain sorting column');
$setOrder = $desiredOrder;
$id = $entry['id'];
if (!empty($visibleIds))
{
// Set order to reflect real position in DB
$allRows = $this->db->from($table)
->order_by($order_column)
->select(['id'])
->get()
->result_array();
if ($desiredOrder >= count($visibleIds) -1)
{
$setOrder = count($allRows); // Desired last
}
else {
for ($i=0; $i < count($allRows); $i++)
{
if ($i >= count($visibleIds))
{
break;
}
elseif ($i > $desiredOrder)
{
break;
}
elseif (!in_array($allRows[$i]['id'], $visibleIds))
{
$setOrder ++;
}
}
}
}
$currentOrder = intval(
$this->db
->select($order_column)
->from($table)
->where(['id'=>$id])
->limit(1)
->get()
->row_array()
[$order_column]
);
if ($setOrder != $currentOrder)
{
if (! $this->insert_row_order($table,$entry,$setOrder))
{
throw new RuntimeException('Could not update order, database error');
}
}
}
/**
* Inserts entry to specified order in table
*
* @param string $table Table
* @param array $entry Entry, should be associative array containing columns 'Id' and desired $column sort value.
* @param string $column Column name that contains sorting data (default is 'row_order').
*
* @return bool TRUE on success, FALSE on failure
* @throws InvalidArgumentException
*/
protected function insert_row_order(string $table, array &$entry, int $position, string $column = 'row_order')
{
if (empty($table))
throw new InvalidArgumentException("Table parameter must be defined");
if (empty($column))
throw new InvalidArgumentException("Column parameter must be defined");
if (!array_key_exists('id', $entry))
throw new InvalidArgumentException('Entry does not contain ID column');
if (!array_key_exists($column,$entry))
throw new InvalidArgumentException('Entry does not contain sorting column');
$movingUp = $position >= intval($entry[$column]);
$newOr = $movingUp? $position +1 : $position;
$this->db->update($table, [$column => $newOr ], [ 'id'=> $entry['id'] ]);
$rows = $this->db
->select(['id', $column])
->from($table)
->where($column .'>=', $newOr)
->order_by($column)
->get()
->result_array();
// Move entries after inserted:
foreach ($rows as $row)
{
$id = $row['id'];
if ($id == $entry['id'])
{
continue;
}
$newOr++;
if ($this->db->update($table, [$column => $newOr], [ 'id'=> $row['id'] ]) === FALSE)
{ // Failed!
return FALSE;
}
}
// And fix empty gaps:
$this->sort_column($table,$column);
return TRUE;
}
}