<?php
/**********************************************************************
    Copyright (C) FrontAccounting, LLC.
	Released under the terms of the GNU General Public License, GPL, 
	as published by the Free Software Foundation, either version 3 
	of the License, or (at your option) any later version.
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
    See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
***********************************************************************/
//-------------------------------------------------------------------------------------------------------------

function add_stock_adjustment($items, $location, $date_, $type, $increase, $reference, $memo_)
{
	global $SysPrefs, $path_to_root, $Refs;

	begin_transaction();
	$args = func_get_args();
	$args = (object)array_combine(array('items', 'location', 'date_', 'type', 'increase',
		'reference', 'memo_'), $args);
	$args->trans_no = 0;
	hook_db_prewrite($args, ST_INVADJUST);

	$adj_id = get_next_trans_no(ST_INVADJUST);

	if ($SysPrefs->loc_notification() == 1 && !$increase)
	{
		include_once($path_to_root . "/inventory/includes/inventory_db.inc");
		$st_ids = array();
		$st_names = array();
		$st_num = array();
		$st_reorder = array();
	}
	foreach ($items as $line_item)
	{

		if ($SysPrefs->loc_notification() == 1 && !$increase)
			$loc = calculate_reorder_level($location, $line_item, $st_ids, $st_names, $st_num, $st_reorder); 

		if (!$increase)
			$line_item->quantity = -$line_item->quantity;

		add_stock_adjustment_item($adj_id, $line_item->stock_id, $location, $date_, $type, $reference,
			$line_item->quantity, $line_item->standard_cost, $memo_);
	}

	add_comments(ST_INVADJUST, $adj_id, $date_, $memo_);

	$Refs->save(ST_INVADJUST, $adj_id, $reference);
	add_audit_trail(ST_INVADJUST, $adj_id, $date_);

	$args->trans_no = $adj_id;
	hook_db_postwrite($args, ST_INVADJUST);
	commit_transaction();
	if ($SysPrefs->loc_notification() == 1 && !$increase && count($st_ids) > 0)
		send_reorder_email($loc, $st_ids, $st_names, $st_num, $st_reorder);

	return $adj_id;
}

//-------------------------------------------------------------------------------------------------------------

function void_stock_adjustment($type_no)
{
	hook_db_prevoid(ST_INVADJUST, $type_no);
	void_gl_trans(ST_INVADJUST, $type_no);
	void_stock_move(ST_INVADJUST, $type_no);
}

//-------------------------------------------------------------------------------------------------------------

function get_stock_adjustment_items($trans_no)
{
	$result = get_stock_moves(ST_INVADJUST, $trans_no);

	if (db_num_rows($result) == 0)
	{
		return null;
	}

	return $result;
}

//--------------------------------------------------------------------------------------------------

function add_stock_adjustment_item($adj_id, $stock_id, $location, $date_, $type, $reference,
	$quantity, $standard_cost, $memo_)
{
	$mb_flag = get_mb_flag($stock_id);

    if (is_service($mb_flag))
    {
    	display_db_error("Cannot do inventory adjustment for Service item : $stock_id", "");
    }

	/* Logic shifted to function update_average_material_cost
	//Chaitanya : If negative adjustment result in negative or zero inventory 
	//then difference should be adjusted
	$qoh = get_qoh_on_date($stock_id);
	if ($qoh + $quantity <= 0 && $qoh > 0) //Positive inventory turning zero/negative
	{
		global $Refs;

		$id = get_next_trans_no(ST_JOURNAL);
		$ref = $Refs->get_next(ST_JOURNAL);
		$diff = get_standard_cost($stock_id) - $standard_cost;
		
		if ($diff !=0)
		{
			$stock_gl_code = get_stock_gl_code($stock_id);
			$memo = _("For zero inventory of ").$stock_id." INVADJ REF: ".$reference;
			//Reverse the inventory effect if $qoh <=0
			add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, 
				$stock_gl_code["inventory_account"],
				$stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'], $memo, 
				-$qoh * $diff);
			//GL Posting to inventory adjustment account
			add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, 
				$stock_gl_code["adjustment_account"],
				$stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'], $memo,
				$qoh * $diff);
				
			add_audit_trail(ST_JOURNAL, $id, $date_);
			add_comments(ST_JOURNAL, $id, $date_, $memo);
			$Refs->save(ST_JOURNAL, $id, $ref);	
		}		
	}*/

	update_average_material_cost(null, $stock_id, $standard_cost, $quantity, $date_);

	add_stock_move(ST_INVADJUST, $stock_id, $adj_id, $location,
        $date_, $reference, $quantity, $standard_cost);

	if ($standard_cost > 0)
	{

		$stock_gl_codes = get_stock_gl_code($stock_id);

		add_gl_trans_std_cost(ST_INVADJUST, $adj_id, $date_,
			$stock_gl_codes['adjustment_account'], $stock_gl_codes['dimension_id'], $stock_gl_codes['dimension2_id'], $memo_, ($standard_cost * -($quantity)));

		add_gl_trans_std_cost(ST_INVADJUST, $adj_id, $date_, $stock_gl_codes['inventory_account'], 0, 0, $memo_, ($standard_cost * $quantity));
	}
}

//-------------------------------------------------------------------------------------------------------------

?>