More Improvements in Costing Valuations, Chaitanya.

[fa-stable.git] / purchasing / includes / db / grn_db.inc

diff --git a/purchasing/includes/db/grn_db.inc b/purchasing/includes/db/grn_db.inc
index f76f6c75fcdb8ffb6374476bccc1c9e62f281c81..1e9f71be23769b860cba371dd26e5ecf891d80bb 100644 (file)
--- a/purchasing/includes/db/grn_db.inc
+++ b/purchasing/includes/db/grn_db.inc
@@ -12,6 +12,10 @@
 //------------------- update average material cost ------------------------------------------ Joe Hunt Mar-03-2008
 function update_average_material_cost($supplier, $stock_id, $price, $qty, $date, $adj_only=false)
 {
+       //Handle if inventory will become negative
+       if (is_inventory_item($stock_id))
+               handle_negative_inventory($stock_id, $qty, $price, $date);
+
        // probably this function should be optimized
        // passing transaction cart as argument. This would
        // save a couple of db calls like get_supplier()
@@ -36,10 +40,23 @@ function update_average_material_cost($supplier, $stock_id, $price, $qty, $date,
        }       
        else
                $price_in_home_currency = $price;
-       $sql = "SELECT material_cost FROM ".TB_PREF."stock_master WHERE stock_id=".db_escape($stock_id);
+       
+       $price_in_home_currency_ = $price_in_home_currency;
+       
+       $sql = "SELECT mb_flag, material_cost, labour_cost, overhead_cost FROM ".TB_PREF."stock_master WHERE stock_id=".db_escape($stock_id);
        $result = db_query($sql);
        $myrow = db_fetch($result);
        $material_cost = $myrow['material_cost'];
+       
+       //Chaitanya : For Manufactured Items 
+       //IF inventory adjustment is made for manufactured item, the material cost averages and labour, overhead remains as is, but in inventory valuation total standard_cost matters resulting in invalid  valuation. 
+       if (!$adj_only && $myrow['mb_flag'] == 'M') //For manufactured items price is adjusted
+       {
+               $standard_cost = get_standard_cost($stock_id);
+               //reduce overhead_cost and labour_cost from price as those will remain as is
+               $price_in_home_currency = $price_in_home_currency - $myrow['labour_cost'] - $myrow['overhead_cost'];
+       }
+       
        //if ($price > -0.0001 && $price < 0.0001) commented out by Chaitanya
        //      return $material_cost;
        if ($adj_only)
@@ -49,7 +66,7 @@ function update_average_material_cost($supplier, $stock_id, $price, $qty, $date,
        $cost_adjust = false;
        //$qoh = get_qoh_on_date($stock_id, null, $date, $exclude);
        $qoh = get_qoh_on_date($stock_id);
-       
+
        if ($adj_only)
        {
                if ($qoh > 0)
@@ -59,17 +76,18 @@ function update_average_material_cost($supplier, $stock_id, $price, $qty, $date,
        {
                if ($qoh < 0)
                {
-                       if ($qoh + $qty > 0)
+                       if ($qoh + $qty >= 0)
                                $cost_adjust = true;
                        $qoh = 0;
                }
-               if ($qoh + $qty != 0)
-                       $material_cost = ($qoh * $material_cost + $qty * $price_in_home_currency) /     ($qoh + $qty);
+               if ($qoh + $qty > 0)
+                       $material_cost 
+= ($qoh * $material_cost + $qty * $price_in_home_currency) /   ($qoh + $qty);
        }       
        //$material_cost = round2($material_cost, $dec);
        
-       if ($cost_adjust) // new 2010-02-10
-               adjust_deliveries($stock_id, $material_cost, $date);
+       if ($cost_adjust) // new 2010-02-10 //Chaitanya : Material_cost replaced with price
+               adjust_deliveries($stock_id, $price_in_home_currency_, $date);
        $sql = "UPDATE ".TB_PREF."stock_master SET material_cost=".db_escape($material_cost)."
                WHERE stock_id=".db_escape($stock_id);
        db_query($sql,"The cost details for the inventory item could not be updated");