<?php
require_once("Report.php");
class Summary_categories extends Report
{
	function __construct()
	{
		parent::__construct();
	}
	
	public function getDataColumns()
	{
		return array($this->lang->line('reports_category'), $this->lang->line('reports_quantity'), $this->lang->line('reports_subtotal'), $this->lang->line('reports_total'), $this->lang->line('reports_tax'), $this->lang->line('reports_cost'), $this->lang->line('reports_profit'));
	}
	
	public function getData(array $inputs)
	{
		$this->db->select('category, SUM(quantity_purchased) AS quantity_purchased, SUM(subtotal) AS subtotal, SUM(total) AS total, SUM(tax) AS tax, SUM(cost) AS cost, SUM(profit) AS profit');
		$this->db->from('sales_items_temp');
		$this->db->join('items', 'sales_items_temp.item_id = items.item_id');
		$this->db->where("sale_date BETWEEN " . $this->db->escape($inputs['start_date']) . " AND " . $this->db->escape($inputs['end_date']));

		if ($inputs['sale_type'] == 'sales')
        {
            $this->db->where('quantity_purchased > 0');
        }
        elseif ($inputs['sale_type'] == 'returns')
        {
            $this->db->where('quantity_purchased < 0');
        }

		$this->db->group_by('category');
		$this->db->order_by('category');

		return $this->db->get()->result_array();		
	}
	
	public function getSummaryData(array $inputs)
	{
		$this->db->select('SUM(subtotal) AS subtotal, SUM(total) AS total, SUM(tax) AS tax, SUM(cost) AS cost, SUM(profit) AS profit');
		$this->db->from('sales_items_temp');
		$this->db->join('items', 'sales_items_temp.item_id = items.item_id');
		$this->db->where("sale_date BETWEEN " . $this->db->escape($inputs['start_date']) . " AND " . $this->db->escape($inputs['end_date']));

		if ($inputs['sale_type'] == 'sales')
        {
            $this->db->where('quantity_purchased > 0');
        }
        elseif ($inputs['sale_type'] == 'returns')
        {
            $this->db->where('quantity_purchased < 0');
        }     

		return $this->db->get()->row_array();
	}
}
?>