Overhead and labour cost changed to define standard costs.
[fa-stable.git] / manufacturing / includes / db / work_order_costing_db.inc
index bf4493c33d467731959dc457e113531203d41e9d..2502be7640281964d3833c885518da0010d0c9e5 100644 (file)
@@ -36,83 +36,77 @@ function delete_wo_costing($trans_type, $trans_no)
        db_query($sql, "could not delete work order costing");
 }
 
-//--------------------------------------------------------------------------------------
-
-function add_material_cost($stock_id, $qty, $date_)
+/*
+       Updates average material cost for item.
+*/
+function update_material_cost($stock_id, $qty, $unit_cost, $date)
 {
-       $m_cost = 0;
-    $result = get_bom($stock_id);
-       while ($bom_item = db_fetch($result))
+       global $Refs;
+
+       $product = get_item($stock_id);
+       $avg_cost =  $product['material_cost'];
+
+       $qoh = get_qoh_on_date($stock_id, null, $date);
+
+       // unit_cost*qty is already posted on inventory GL
+/* 
+       if ($qoh > 0)
        {
-               $standard_cost = get_standard_cost($bom_item['component']);
-               $m_cost += ($bom_item['quantity'] * $standard_cost);
+                if ($qty<0)
+                       $qty_done = max(-$qoh, $qty);
+                else
+                       $qty_done = $qty;
+       } else {
+               if ($qty>0)
+                       $qty_done = max($qoh+$qty, 0);
+               else
+                       $qty_done = 0;
        }
-       //$dec = user_price_dec();
-       //price_decimal_format($m_cost, $dec);
-       $sql = "SELECT material_cost FROM ".TB_PREF."stock_master WHERE stock_id = "
-               .db_escape($stock_id);
-       $result = db_query($sql);
-       $myrow = db_fetch($result);
-       $material_cost =  $myrow['material_cost'];
-       //$qoh = get_qoh_on_date($stock_id, null, $date_);
-       $qoh = get_qoh_on_date($stock_id);
+       $qty_delayed = $qty-$qty_done;
+*/
        if ($qoh < 0)
-               $qoh = 0;
-       if ($qoh + $qty != 0)   
-               $material_cost = ($qoh * $material_cost + $qty * $m_cost) /     ($qoh + $qty);
-       //$material_cost = round2($material_cost, $dec);        
-       $sql = "UPDATE ".TB_PREF."stock_master SET material_cost=$material_cost
-               WHERE stock_id=".db_escape($stock_id);
-       db_query($sql,"The cost details for the inventory item could not be updated");
-}
+       {
+                       $qty_delayed = min(-$qoh, $qty);
+       } else {
+                       $qty_delayed = 0;
+       }
+       $qty_new = $qty - $qty_delayed;
 
-function add_overhead_cost($stock_id, $qty, $date_, $costs)
-{
-       //$dec = user_price_dec();
-       //price_decimal_format($costs, $dec); 
-       if ($qty != 0)
-               $costs /= $qty;
-       $sql = "SELECT overhead_cost FROM ".TB_PREF."stock_master WHERE stock_id = "
-               .db_escape($stock_id);
-       $result = db_query($sql);
-       $myrow = db_fetch($result);
-       $overhead_cost =  $myrow['overhead_cost'];
-       //$qoh = get_qoh_on_date($stock_id, null, $date_);
-       $qoh = get_qoh_on_date($stock_id);
-       if ($qoh < 0)
-               $qoh = 0;
-       if ($qoh + $qty != 0)   
-               $overhead_cost = ($qoh * $overhead_cost + $qty * $costs) /      ($qoh + $qty);
-       //$overhead_cost = round2($overhead_cost, $dec);        
-       $sql = "UPDATE ".TB_PREF."stock_master SET overhead_cost=".db_escape($overhead_cost)."
-               WHERE stock_id=".db_escape($stock_id);
-       db_query($sql,"The cost details for the inventory item could not be updated");
-}
+       if ($qty_delayed > 0 && ($unit_cost != $avg_cost))
+       {
+               // post $qty_delayed*($avg_cost-$unit_cost)
+               $diff = $qty_delayed*($unit_cost-$avg_cost);
+               $stock_gl_code = get_item($stock_id);
 
-function add_labour_cost($stock_id, $qty, $date_, $costs)
-{
-       //$dec = user_price_dec();
-       //price_decimal_format($costs, $dec); 
-       if ($qty != 0)
-               $costs /= $qty;
-       $sql = "SELECT labour_cost FROM ".TB_PREF."stock_master WHERE stock_id = "
-               .db_escape($stock_id);
-       $result = db_query($sql);
-       $myrow = db_fetch($result);
-       $labour_cost =  $myrow['labour_cost'];
-       //$qoh = get_qoh_on_date($stock_id, null, $date_);
-       $qoh = get_qoh_on_date($stock_id);
-       if ($qoh < 0)
-               $qoh = 0;
-       if ($qoh + $qty != 0)   
-               $labour_cost = ($qoh * $labour_cost + $qty * $costs) /  ($qoh + $qty);
-       //$labour_cost = round2($labour_cost, $dec);    
-       $sql = "UPDATE ".TB_PREF."stock_master SET labour_cost=".db_escape($labour_cost)."
-               WHERE stock_id=".db_escape($stock_id);
+               $dec = user_price_dec();
+               $old_cost = -round2($avg_cost, $dec);
+               $new_cost = -round2($unit_cost, $dec);
+
+               $cart = new items_cart(ST_COSTUPDATE);
+               $cart->tran_date = $cart->doc_date = $cart->event_date = $date;
+
+               if (!is_date_in_fiscalyear($cart->tran_date))
+                       $cart->tran_date = end_fiscalyear();
+
+               $cart->reference = $Refs->get_next(ST_COSTUPDATE, null, $cart->tran_date, $date);
+
+               $cart->memo_ = sprintf(_("COGS changed from %s to %s for %d %s of '%s'"), $avg_cost, $unit_cost, $qty_delayed, $item['units'], $stock_id);
+
+               $cart->add_gl_item($item["cogs_account"], $item["dimension_id"], $item["dimension2_id"], -$diff);
+               $cart->add_gl_item($item["inventory_account"], 0, 0, $diff);
+
+               write_journal_entries($cart);
+       }
+
+       if ($qty > 0 && ($qoh != -$qty))
+               $avg_cost = ($avg_cost*($qoh+$qty_delayed)+$unit_cost*$qty_new)/($qoh+$qty);
+
+       $sql = "UPDATE ".TB_PREF."stock_master SET material_cost=".db_escape($avg_cost)."
+                   WHERE stock_id=".db_escape($stock_id);
        db_query($sql,"The cost details for the inventory item could not be updated");
 }
 
-function add_issue_cost($stock_id, $qty, $date_, $costs)
+function add_issue_cost($stock_id, $qty, $date_, $costs, $adj_only=false)
 {
        if ($qty != 0)
                $costs /= $qty;
@@ -121,15 +115,46 @@ function add_issue_cost($stock_id, $qty, $date_, $costs)
        $result = db_query($sql);
        $myrow = db_fetch($result);
        $material_cost =  $myrow['material_cost'];
-       //$dec = user_price_dec();
-       //price_decimal_format($material_cost, $dec); 
-       //$qoh = get_qoh_on_date($stock_id, null, $date_);
        $qoh = get_qoh_on_date($stock_id);
        if ($qoh < 0)
                $qoh = 0;
-       if ($qoh + $qty != 0)   
-               $material_cost = ($qty * $costs) /      ($qoh + $qty);
-       //$material_cost = round2($material_cost, $dec);        
+       if ($adj_only)
+       {
+               if ($qoh>0)
+                       $material_cost = ($qoh * $material_cost + $costs) / $qoh;
+               else // Journal Entry if QOH is 0/negative
+               {
+                       global $Refs;
+
+                       $id = get_next_trans_no(ST_JOURNAL);
+                       $ref = $Refs->get_next(ST_JOURNAL, null, $date_);
+                       add_journal(ST_JOURNAL, $id, $costs, $date_, get_company_currency(), $ref);
+                       
+                       $stock_gl_code = get_stock_gl_code($stock_id);
+                       $memo = "WO Issue settlement JV for zero/negative respository of ".$stock_id;
+                       //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'], $memo, 
+                               -$costs);
+                       //GL Posting to inventory adjustment account
+                       add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, 
+                               $stock_gl_code["assembly_account"],
+                               $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'], $memo,
+                               $costs);
+                               
+                       add_audit_trail(ST_JOURNAL, $id, $date_);
+                       add_comments(ST_JOURNAL, $id, $date_, $memo);
+                       $Refs->save(ST_JOURNAL, $id, $ref);     
+                       if ($qty != 0)
+                               $material_cost = $costs / $qty; 
+               }
+       }
+       else
+       {
+               if ($qoh + $qty != 0)   
+                       $material_cost = ($qoh * $material_cost + $qty * $costs) /      ($qoh + $qty);
+       }       
        $sql = "UPDATE ".TB_PREF."stock_master SET material_cost=material_cost+"
                .db_escape($material_cost)
                ." WHERE stock_id=".db_escape($stock_id);
@@ -148,7 +173,8 @@ function add_wo_costs_journal($wo_id, $amount, $cost_type, $cr_acc, $db_acc, $da
        begin_transaction();
 
     $journal_id = get_next_trans_no(ST_JOURNAL);
-    if (!$ref) $ref = $Refs->get_next(ST_JOURNAL);
+
+    if (!$ref) $ref = $Refs->get_next(ST_JOURNAL, null, $date);
 
        add_gl_trans_std_cost(ST_JOURNAL, $journal_id, $date, $cr_acc,
                0, 0, $wo_cost_types[$cost_type], -$amount);
@@ -158,11 +184,23 @@ function add_wo_costs_journal($wo_id, $amount, $cost_type, $cr_acc, $db_acc, $da
                add_bank_trans(ST_JOURNAL, $journal_id, $is_bank_to, "",
                        $date, -$amount, PT_WORKORDER, $wo_id, get_company_currency(),
                        "Cannot insert a destination bank transaction");
-       }
+       } 
+       add_journal(ST_JOURNAL, $journal_id, $amount, $date, get_company_currency(), $ref);
 
        add_gl_trans_std_cost(ST_JOURNAL, $journal_id, $date, $db_acc,
                $dim1, $dim2,  $wo_cost_types[$cost_type], $amount);
 
+       $wip = get_company_pref('wip_act');
+
+       if ($db_acc != $wip)
+       {
+               add_gl_trans_std_cost(ST_JOURNAL, $journal_id, $date, $db_acc,
+                       0, 0,  $wo_cost_types[$cost_type], -$amount);
+
+               add_gl_trans_std_cost(ST_JOURNAL, $journal_id, $date, $wip,
+                       0, 0,  $wo_cost_types[$cost_type], $amount);
+       }
+
        $Refs->save(ST_JOURNAL, $journal_id, $ref);
 
        add_wo_costing($wo_id, $cost_type, ST_JOURNAL, $journal_id);
@@ -173,6 +211,39 @@ function add_wo_costs_journal($wo_id, $amount, $cost_type, $cr_acc, $db_acc, $da
        commit_transaction();
 }
 
+/*
+       Process component usage: generate and post stock move, update average component cost.
+*/
+function work_order_production_gl($woid, $stock_id, $quantity, $date_, $rcv_no)
+{
+       $result = get_wo_requirements($woid);
+
+       // credit all the components
+       $total_cost = 0;
+       while ($bom_item = db_fetch($result))
+       {
+
+               update_wo_requirement_issued($bom_item['id'], $bom_item["units_req"] * $quantity, $bom_item["ComponentCost"]);
+
+               // insert a -ve stock move for each item
+               add_stock_move(ST_MANURECEIVE, $bom_item["stock_id"], $rcv_no,
+                       $bom_item["loc_code"], $date_, "", -$bom_item["units_req"] * $quantity, $bom_item["ComponentCost"], 0);
+
+               if (!is_service($bom_item["mb_flag"]))
+                       $ivaccount = $bom_item["inventory_account"];
+               else
+                       $ivaccount = $bom_item["assembly_account"];
+
+               $memo = $date_.": ".$bom_item["units_req"] ." * ".$bom_item["description"];
+
+               $total_cost += add_gl_trans_std_cost(ST_MANURECEIVE, $rcv_no, $date_, $ivaccount, 0, 0,
+                       $memo, -$bom_item["ComponentCost"] * $bom_item["units_req"] * $quantity);
+       }
+
+    add_gl_trans_std_cost(ST_MANURECEIVE, $rcv_no, $date_, get_company_pref('wip_act'),
+        0, 0, $memo, -$total_cost);
+}
+
 function void_wo_costing($wo_id)
 {
        $res = get_wo_costing($wo_id);