opensourcepos/app/Models/Reports/Summary_taxes.php

<?php

namespace App\Models\Reports;

use Config\OSPOS;
use CodeIgniter\Database\RawSql;

class Summary_taxes extends Summary_report
{
	private array $config;

	public function __construct()
	{
		parent::__construct();
		$this->config = config(OSPOS::class)->settings;
	}

	/**
	 * @return array[]
	 */
	protected function _get_data_columns(): array	//TODO: hungarian notation
	{
		return [
			['tax_name' => lang('Reports.tax_name'), 'sortable' => false],
			['tax_percent' => lang('Reports.tax_percent'), 'sorter' => 'number_sorter'],
			['report_count' => lang('Reports.sales'), 'sorter' => 'number_sorter'],
			['subtotal' => lang('Reports.subtotal'), 'sorter' => 'number_sorter'],
			['tax' => lang('Reports.tax'), 'sorter' => 'number_sorter'],
			['total' => lang('Reports.total'), 'sorter' => 'number_sorter']
		];
	}

	/**
	 * @param array $inputs
	 * @param $builder
	 * @return void
	 */
	protected function _where(array $inputs, &$builder): void	//TODO: hungarian notation
	{
		$builder->where('sales.sale_status', COMPLETED);

		if(empty($this->config['date_or_time_format']))
		{
			$builder->where('DATE(sales.sale_time) BETWEEN ' . $this->db->escape($inputs['start_date']) . ' AND ' . $this->db->escape($inputs['end_date']));
		}
		else
		{
			$builder->where('sales.sale_time BETWEEN ' . $this->db->escape(rawurldecode($inputs['start_date'])) . ' AND ' . $this->db->escape(rawurldecode($inputs['end_date'])));
		}
	}

	/**
	 * @param array $inputs
	 * @return array
	 */
	public function getData(array $inputs): array
	{
		$where = 'WHERE sale_status = ' . COMPLETED . ' ';	//TODO: Duplicated code

		if(empty($this->config['date_or_time_format']))	//TODO: Ternary notation
		{
			$where .= 'AND DATE(sale_time) BETWEEN ' . $this->db->escape($inputs['start_date']) . ' AND ' . $this->db->escape($inputs['end_date']);
		}
		else
		{
			$where .= 'AND sale_time BETWEEN ' . $this->db->escape(rawurldecode($inputs['start_date'])) . ' AND ' . $this->db->escape(rawurldecode($inputs['end_date']));
		}
		$decimals = totals_decimals();

		if($this->config['tax_included'])
		{
			$sale_total = '(CASE WHEN sales_items.discount_type = ' . PERCENT
				. " THEN sales_items.quantity_purchased * sales_items.item_unit_price - ROUND(sales_items.quantity_purchased * sales_items.item_unit_price * sales_items.discount / 100, $decimals)"
				. ' ELSE sales_items.quantity_purchased * (sales_items.item_unit_price - sales_items.discount) END)';

			$sale_subtotal = '(CASE WHEN sales_items.discount_type = ' . PERCENT
				. " THEN sales_items.quantity_purchased * sales_items.item_unit_price - ROUND(sales_items.quantity_purchased * sales_items.item_unit_price * sales_items.discount / 100, $decimals) "
				. 'ELSE sales_items.quantity_purchased * sales_items.item_unit_price - sales_items.discount END * (100 / (100 + sales_items_taxes.percent)))';
		}
		else
		{
			$sale_total = '(CASE WHEN sales_items.discount_type = ' . PERCENT
				. " THEN sales_items.quantity_purchased * sales_items.item_unit_price - ROUND(sales_items.quantity_purchased * sales_items.item_unit_price * sales_items.discount / 100, $decimals)"
				. ' ELSE sales_items.quantity_purchased * sales_items.item_unit_price - sales_items.discount END * (1 + (sales_items_taxes.percent / 100)))';

			$sale_subtotal = '(CASE WHEN sales_items.discount_type = ' . PERCENT
				. " THEN sales_items.quantity_purchased * sales_items.item_unit_price - ROUND(sales_items.quantity_purchased * sales_items.item_unit_price * sales_items.discount / 100, $decimals)"
				. ' ELSE sales_items.quantity_purchased * (sales_items.item_unit_price - sales_items.discount) END)';
		}

		$query = $this->db->query("SELECT name as name, percent, COUNT(DISTINCT sale_id) AS count, ROUND(SUM(subtotal), $decimals) AS subtotal, ROUND(SUM(tax), $decimals) AS tax, ROUND(SUM(total), $decimals) AS total
			FROM (
				SELECT
					name AS name,
					CONCAT(IFNULL(ROUND(percent, $decimals), 0), '%') AS percent,
					sales.sale_id AS sale_id,
					$sale_subtotal AS subtotal,
					IFNULL(sales_items_taxes.item_tax_amount, 0) AS tax,
					IFNULL($sale_total, $sale_subtotal) AS total
					FROM " . $this->db->prefixTable('sales_items') . ' AS sales_items
					INNER JOIN ' . $this->db->prefixTable('sales') . ' AS sales
						ON sales_items.sale_id = sales.sale_id
					LEFT OUTER JOIN ' . $this->db->prefixTable('sales_items_taxes') . ' AS sales_items_taxes
						ON sales_items.sale_id = sales_items_taxes.sale_id AND sales_items.item_id = sales_items_taxes.item_id AND sales_items.line = sales_items_taxes.line
					' . $where . '
				) AS temp_taxes
			GROUP BY percent, name'
		);

		return $query->getResultArray();

//TODO: Need to rework the above query into querybuilder.  The problem is that QueryBuilder keeps prepending the table name prefix to the column name, not prepending it to the table name and escaping aliases when it shouldn't.
//		$decimals = totals_decimals();
//
//		if($this->config['tax_included'])
//		{
//			$sale_total = '(CASE WHEN sales_items.discount_type = ' . PERCENT
//				. " THEN sales_items.quantity_purchased * sales_items.item_unit_price - ROUND(sales_items.quantity_purchased * sales_items.item_unit_price * sales_items.discount / 100, $decimals)"
//				. ' ELSE sales_items.quantity_purchased * (sales_items.item_unit_price - sales_items.discount) END)';
//
//			$sale_subtotal = '(CASE WHEN sales_items.discount_type = ' . PERCENT
//				. " THEN sales_items.quantity_purchased * sales_items.item_unit_price - ROUND(sales_items.quantity_purchased * sales_items.item_unit_price * sales_items.discount / 100, $decimals) "
//				. 'ELSE sales_items.quantity_purchased * sales_items.item_unit_price - sales_items.discount END * (100 / (100 + sales_items_taxes.percent)))';
//		}
//		else
//		{
//			$sale_total = '(CASE WHEN sales_items.discount_type = ' . PERCENT
//				. " THEN sales_items.quantity_purchased * sales_items.item_unit_price - ROUND(sales_items.quantity_purchased * sales_items.item_unit_price * sales_items.discount / 100, $decimals)"
//				. ' ELSE sales_items.quantity_purchased * sales_items.item_unit_price - sales_items.discount END * (1 + (sales_items_taxes.percent / 100)))';
//
//			$sale_subtotal = '(CASE WHEN sales_items.discount_type = ' . PERCENT
//				. " THEN sales_items.quantity_purchased * sales_items.item_unit_price - ROUND(sales_items.quantity_purchased * sales_items.item_unit_price * sales_items.discount / 100, $decimals)"
//				. ' ELSE sales_items.quantity_purchased * (sales_items.item_unit_price - sales_items.discount) END)';
//		}
//
//		$subquery_builder = $this->db->table('sales_items');
//		$subquery_builder->select("name, CONCAT(IFNULL(ROUND(percent, $decimals), 0), '%') AS percent, sales.sale_id AS sale_id, $sale_subtotal AS subtotal, IFNULL(sales_items_taxes.item_tax_amount, 0) AS tax, IFNULL($sale_total, $sale_subtotal) AS total");
//
//		$subquery_builder->join('sales', 'sales_items.sale_id = sales.sale_id', 'inner');
//		$subquery_builder->join('sales_items_taxes', 'sales_items.sale_id = sales_items_taxes.sale_id AND sales_items.item_id = sales_items_taxes.item_id AND sales_items.line = sales_items_taxes.line', 'left outer');
//
//		if(empty($this->config['date_or_time_format']))
//		{
//			$subquery_builder->where('DATE(sales.sale_time) BETWEEN ' . $inputs['start_date'] . ' AND ' . $inputs['end_date']);
//		}
//		else
//		{
//			$subquery_builder->where('sales.sale_time BETWEEN ' . rawurldecode($inputs['start_date']) . ' AND ' . rawurldecode($inputs['end_date']));
//		}
//
//		$sub_query = $subquery_builder->getCompiledSelect();
//
//		$builder = $this->db->table("($sub_query) AS temp_taxes");
//		$builder->select("name, percent, COUNT(DISTINCT sale_id) AS count, ROUND(SUM(subtotal), $decimals) AS subtotal, ROUND(SUM(tax), $decimals) AS tax, ROUND(SUM(total), $decimals) AS total");
//		$builder->groupBy('percent, name');
//
//		return $builder->get()->getResultArray();
	}
}