A couple of minor bugs in tax report when displaying supplier credit notes
[fa-stable.git] / purchasing / includes / db / invoice_db.inc
index a743106fe8d23ecf79948008bd23e6c754a70a87..4703f802ba52ac6ebe06161aa10774d42de54757 100644 (file)
@@ -1,5 +1,14 @@
 <?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>.
+***********************************************************************/
 include_once($path_to_root . "/purchasing/includes/db/invoice_items_db.inc");
 
 //--------------------------------------------------------------------------------------------------
@@ -51,11 +60,14 @@ function update_supp_received_items_for_invoice($id, $po_detail_item, $qty_invoi
 {
        if ($chg_price != null)
        {
-               $sql = "SELECT act_price FROM ".TB_PREF."purch_order_details WHERE
+               $sql = "SELECT act_price, unit_price FROM ".TB_PREF."purch_order_details WHERE
                        po_detail_item = $po_detail_item";
                $result = db_query($sql, "The old actual price of the purchase order line could not be retrieved");
                $row = db_fetch_row($result);
                $ret = $row[0];
+
+               $unit_price = $row[1]; //Added by Rasmus
+
                $sql = "SELECT delivery_date FROM ".TB_PREF."grn_batch,".TB_PREF."grn_items WHERE
                        ".TB_PREF."grn_batch.id = ".TB_PREF."grn_items.grn_batch_id AND ".TB_PREF."grn_items.id=$id";
                $result = db_query($sql, "The old delivery date from the received record cout not be retrieved");
@@ -66,6 +78,7 @@ function update_supp_received_items_for_invoice($id, $po_detail_item, $qty_invoi
        {
                $ret = 0;
                $date = "";
+               $unit_price = 0; // Added by Rasmus
        }
     $sql = "UPDATE ".TB_PREF."purch_order_details
                SET qty_invoiced = qty_invoiced + $qty_invoiced ";
@@ -80,22 +93,30 @@ function update_supp_received_items_for_invoice($id, $po_detail_item, $qty_invoi
         SET quantity_inv = quantity_inv + $qty_invoiced
         WHERE id = $id";
        db_query($sql, "The quantity invoiced off the items received record could not be updated");
-       return array($ret, $date);
+       return array($ret, $date, $unit_price);
 }
 
 function get_deliveries_between($stock_id, $from, $to)
 {
        $from = date2sql($from);
        $to = date2sql($to);
-       $sql = "SELECT SUM(-qty), AVG(standard_cost) FROM ".TB_PREF."stock_moves
+       $sql = "SELECT SUM(-qty), SUM(-qty*standard_cost) FROM ".TB_PREF."stock_moves
                WHERE type=13 AND stock_id='$stock_id' AND
                        tran_date>='$from' AND tran_date<='$to' GROUP BY stock_id";
        $result = db_query($sql, "The deliveries could not be updated");
        return db_fetch_row($result);
 }
+
+function get_diff_in_home_currency($supplier, $old_date, $date, $amount1, $amount2)
+{
+       $currency = get_supplier_currency($supplier);
+       $amount1 = to_home_currency($amount1, $currency, $old_date);
+       $amount2 = to_home_currency($amount2, $currency, $date);
+       return $amount2 - $amount1;
+}
 //----------------------------------------------------------------------------------------
 
-function add_supp_invoice($supp_trans) // do not receive as ref because we change locally
+function add_supp_invoice($supp_trans, $invoice_no=0) // do not receive as ref because we change locally
 {
        //$company_currency = get_company_currency();
        /*Start an sql transaction */
@@ -106,6 +127,7 @@ function add_supp_invoice($supp_trans) // do not receive as ref because we chang
 
     foreach ($taxes as $taxitem)
     {
+               $taxitem['Value'] =  round2($taxitem['Value'], user_price_dec());
        $tax_total += $taxitem['Value'];
     }
 
@@ -123,15 +145,17 @@ function add_supp_invoice($supp_trans) // do not receive as ref because we chang
        }
 
     $date_ = $supp_trans->tran_date;
+       $ex_rate = get_exchange_rate_from_home_currency(get_supplier_currency($supp_trans->supplier_id), $date_);
 
     /*First insert the invoice into the supp_trans table*/
        $invoice_id = add_supp_trans($trans_type, $supp_trans->supplier_id, $date_, $supp_trans->due_date,
                $supp_trans->reference, $supp_trans->supp_reference,
                $invoice_items_total, $tax_total, $supp_trans->ov_discount);
 
+       $total = 0;
     /* Now the control account */
     $supplier_accounts = get_supplier_accounts($supp_trans->supplier_id);
-    add_gl_trans_supplier($trans_type, $invoice_id, $date_, $supplier_accounts["payable_account"], 0, 0,
+    $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $supplier_accounts["payable_account"], 0, 0,
                -($invoice_items_total +  $tax_total + $supp_trans->ov_discount),
                $supp_trans->supplier_id,
                "The general ledger transaction for the control total could not be added");
@@ -147,7 +171,6 @@ function add_supp_invoice($supp_trans) // do not receive as ref because we chang
     between the std cost and the currency cost charged as converted at the ex rate of of the invoice is written off
     to the purchase price variance account applicable to the item being invoiced.
     */
-
     foreach ($supp_trans->gl_codes as $entered_gl_code)
     {
 
@@ -158,11 +181,18 @@ function add_supp_invoice($supp_trans) // do not receive as ref because we chang
                        $entered_gl_code->amount = -$entered_gl_code->amount;
 
                $memo_ = $entered_gl_code->memo_;
-               add_gl_trans_supplier($trans_type, $invoice_id, $date_, $entered_gl_code->gl_code,
-                       $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2, $entered_gl_code->amount, $supp_trans->supplier_id);
+               $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $entered_gl_code->gl_code,
+                       $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2, $entered_gl_code->amount, $supp_trans->supplier_id, "", 0, $memo_);
 
                add_supp_invoice_gl_item($trans_type, $invoice_id, $entered_gl_code->gl_code,
                        $entered_gl_code->amount, $memo_);
+
+               // store tax details if the gl account is a tax account
+               if (!$supp_trans->is_invoice)
+                       $entered_gl_code->amount = -$entered_gl_code->amount;
+               add_gl_tax_details($entered_gl_code->gl_code, 
+                       $trans_type, $invoice_id, $entered_gl_code->amount,
+                       $ex_rate, $date_, $supp_trans->supp_reference);
     }
     foreach ($supp_trans->grn_items as $entered_grn)
     {
@@ -170,47 +200,63 @@ function add_supp_invoice($supp_trans) // do not receive as ref because we chang
        if (!$supp_trans->is_invoice)
        {
                        $entered_grn->this_quantity_inv = -$entered_grn->this_quantity_inv;
-                       update_average_material_cost($supp_trans->supplier_id, $entered_grn->item_code,
-                       $entered_grn->chg_price, $entered_grn->this_quantity_inv, $date_);
+                       set_grn_item_credited($entered_grn, $supp_trans->supplier_id, $invoice_id, $date_);
        }
 
                $line_taxfree = $entered_grn->taxfree_charge_price($supp_trans->tax_group_id);
                $line_tax = $entered_grn->full_charge_price($supp_trans->tax_group_id) - $line_taxfree;
-
-       $old = update_supp_received_items_for_invoice($entered_grn->id, $entered_grn->po_detail_item,
-               $entered_grn->this_quantity_inv, $entered_grn->chg_price);
                $stock_gl_code = get_stock_gl_code($entered_grn->item_code);
 
-               add_gl_trans_supplier($trans_type, $invoice_id, $date_, $stock_gl_code["inventory_account"],
+               $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $stock_gl_code["inventory_account"],
                        $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
                        $entered_grn->this_quantity_inv * $line_taxfree, $supp_trans->supplier_id);
        // -------------- if price changed since po received. 16 Aug 2008 Joe Hunt
-               $old_price = $old[0];
-       if ($supp_trans->is_invoice && $old_price != $entered_grn->chg_price) // price-change, so update
+       if($supp_trans->is_invoice)
        {
-               $diff = $entered_grn->chg_price - $old_price;
+               $old = update_supp_received_items_for_invoice($entered_grn->id, $entered_grn->po_detail_item,
+                       $entered_grn->this_quantity_inv, $entered_grn->chg_price);
+                       // Since the standard cost is always calculated on basis of the po unit_price,
+                       // this is also the price that should be the base of calculating the price diff.
+                       // In cases where there is two different po invoices on the same delivery with different unit prices this will not work either
+
+                       //$old_price = $old[0];
+                        
+                       $old_price = $old[2];
+
+                       /*
+                       If statement is removed. Should always check for deliveries nomatter if there has been a price change. 
+                       */
+                       //if ($old_price != $entered_grn->chg_price) // price-change, so update
+                       //{
+                       //$diff = $entered_grn->chg_price - $old_price;
                        $old_date = sql2date($old[1]);
-                       // only update the diff (last parameter, adj_only is set to true).
-               $mat_cost = update_average_material_cost($supp_trans->supplier_id, $entered_grn->item_code,
-                       $diff, $entered_grn->this_quantity_inv, $old_date, true);
-               // function just above this
-               $deliveries = get_deliveries_between($entered_grn->item_code, $old_date, $date_);
+                       $diff = get_diff_in_home_currency($supp_trans->supplier_id, $old_date, $date_, $old_price, 
+                               $entered_grn->chg_price);
+                       // always return due to change in currency.
+                       $mat_cost = update_average_material_cost(null, $entered_grn->item_code,
+                               $diff, $entered_grn->this_quantity_inv, $old_date, true);
+                       // added 2008-12-08 Joe Hunt. Update the purchase data table
+                       add_or_update_purchase_data($supp_trans->supplier_id, $entered_grn->item_code, $entered_grn->chg_price); 
+                       $deliveries = get_deliveries_between($entered_grn->item_code, $old_date, Today()); // extend the period, if invoice is before any deliveries.
                        if ($deliveries[0] != 0) // have deliveries been done during the period?
-               {
-
-                       $amt = ($mat_cost - $deliveries[1]) * $deliveries[0]; // $amt in home currency
-
-                               add_gl_trans($trans_type, $invoice_id, $date_,  $stock_gl_code["cogs_account"],
-                                       $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'], _("Cost diff."),
-                               $amt, null, null, null,
-                               "The general ledger transaction could not be added for the price variance of the inventory item");
-                               add_gl_trans($trans_type, $invoice_id, $date_,  $stock_gl_code["inventory_account"],
-                                       0, 0, _("Cost diff."), -$amt, null, null, null,
-                               "The general ledger transaction could not be added for the price variance of the inventory item");
+                       {
+                               $deliveries[1] /= $deliveries[0];
+                               $amt = ($mat_cost - $deliveries[1]) * $deliveries[0]; // $amt in home currency
+                               if ($amt != 0.0)
+                               {
+                                       add_gl_trans($trans_type, $invoice_id, $date_,  $stock_gl_code["cogs_account"],
+                                               $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'], _("Cost diff."),
+                                               $amt, null, null, null,
+                                               "The general ledger transaction could not be added for the price variance of the inventory item");
+                                       add_gl_trans($trans_type, $invoice_id, $date_,  $stock_gl_code["inventory_account"],
+                                               0, 0, _("Cost diff."), -$amt, null, null, null,
+                                               "The general ledger transaction could not be added for the price variance of the inventory item");
+                               }               
                                update_stock_move_pid(13, $entered_grn->item_code, $old_date, $date_, 0, $mat_cost);
-               }
+                       }
                        update_stock_move_pid(25, $entered_grn->item_code, $old_date, $old_date, $supp_trans->supplier_id, $mat_cost);
-       }
+               //}
+               }
        // ----------------------------------------------------------------------
 
                add_supp_invoice_item($trans_type, $invoice_id, $entered_grn->item_code,
@@ -218,27 +264,66 @@ function add_supp_invoice($supp_trans) // do not receive as ref because we chang
                        $entered_grn->this_quantity_inv, $entered_grn->id, $entered_grn->po_detail_item, "");
     } /* end of GRN postings */
     /* Now the TAX account */
+    $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id, 0, false); // 2009.08-18 Joe Hunt. We have already got the gl lines
     foreach ($taxes as $taxitem)
     {
-       if ($taxitem['Value'] != 0)
+       if ($taxitem['Net'] != 0)
        {
 
                if (!$supp_trans->is_invoice)
+               {
+                       $taxitem['Net'] = -$taxitem['Net'];
                        $taxitem['Value'] = -$taxitem['Value'];
+               }       
                // here we suppose that tax is never included in price (we are company customer).
-                       add_supp_invoice_tax_item($trans_type, $invoice_id, $taxitem['tax_type_id'],
-                               $taxitem['rate'], 0, $taxitem['Value']);
+                       add_trans_tax_details($trans_type, $invoice_id, 
+                               $taxitem['tax_type_id'], $taxitem['rate'], 0, $taxitem['Value'],
+                               $taxitem['Net'], $ex_rate, $date_, $supp_trans->supp_reference);
 
-               add_gl_trans_supplier($trans_type, $invoice_id, $date_,
+               if (!$supp_trans->is_invoice)
+                       $taxitem['Value'] = -$taxitem['Value'];
+               $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_,
                        $taxitem['purchasing_gl_code'], 0, 0, $taxitem['Value'],
                        $supp_trans->supplier_id,
                        "A general ledger transaction for the tax amount could not be added");
        }
     }
+       
+       /*Post a balance post if $total != 0 */
+       add_gl_balance($trans_type, $invoice_id, $date_, -$total, payment_person_types::supplier(), $supp_trans->supplier_id);  
+
        add_comments($trans_type, $invoice_id, $date_, $supp_trans->Comments);
 
        references::save_last($supp_trans->reference, $trans_type);
 
+       if ($invoice_no != 0)
+       {
+               $invoice_alloc_balance = get_supp_trans_allocation_balance(20, $invoice_no);
+               if ($invoice_alloc_balance > 0) 
+               {       //the invoice is not already fully allocated 
+
+                       $trans = get_supp_trans($invoice_no, 20);
+                       $total = $trans['Total'];
+
+                       $allocate_amount = ($invoice_alloc_balance > $total) ? $total : $invoice_alloc_balance;
+                       /*Now insert the allocation record if > 0 */
+                       if ($allocate_amount != 0) 
+                       {
+                               update_supp_trans_allocation(20, $invoice_no, $allocate_amount);
+                               update_supp_trans_allocation(21, $invoice_id, $allocate_amount); // ***
+                               add_supp_allocation($allocate_amount, 21, $invoice_id, 20, $invoice_no,
+                                       $date_);
+                               // Exchange Variations Joe Hunt 2008-09-20 ////////////////////////////////////////
+
+                               exchange_variation(21, $invoice_id, 20, $invoice_no, $date_,
+                                       $allocate_amount, payment_person_types::supplier());
+
+                               ///////////////////////////////////////////////////////////////////////////
+                       }
+               }
+       }
+       
+
     commit_transaction();
 
     return $invoice_id;
@@ -253,9 +338,10 @@ function get_po_invoices_credits($po_number)
        $sql = "SELECT DISTINCT ".TB_PREF."supp_trans.trans_no, ".TB_PREF."supp_trans.type,
                ov_amount+ov_discount+ov_gst AS Total,
                ".TB_PREF."supp_trans.tran_date
-               FROM ".TB_PREF."supp_trans, ".TB_PREF."supp_invoice_items, ".TB_PREF."purch_order_details
+               FROM ".TB_PREF."supp_trans, ".TB_PREF."supp_invoice_items, ".TB_PREF."purch_order_details, ".TB_PREF."purch_orders
                WHERE ".TB_PREF."supp_invoice_items.supp_trans_no = ".TB_PREF."supp_trans.trans_no
                AND ".TB_PREF."supp_invoice_items.po_detail_item_id = ".TB_PREF."purch_order_details.po_detail_item
+               AND ".TB_PREF."purch_orders.supplier_id = ".TB_PREF."supp_trans.supplier_id
                AND ".TB_PREF."purch_order_details.order_no = $po_number";
 
        return db_query($sql, "The invoices/credits for the po $po_number could not be retreived");
@@ -323,10 +409,21 @@ function read_supp_invoice($trans_no, $trans_type, &$supp_trans)
 
 //----------------------------------------------------------------------------------------
 
+function get_matching_invoice_item($stock_id, $po_item_id)
+{
+       $sql = "SELECT *, tran_date FROM ".TB_PREF."supp_invoice_items, ".TB_PREF."supp_trans
+               WHERE supp_trans_type = 20 AND stock_id = '$stock_id' AND po_detail_item_id = $po_item_id
+               AND supp_trans_no = trans_no";
+       $result = db_query($sql, "Cannot retreive supplier transaction detail records");
+       return db_fetch($result);  
+}
+
 function void_supp_invoice($type, $type_no)
 {
        begin_transaction();
 
+       $trans = get_supp_trans($type_no, $type);
+
        void_bank_trans($type, $type_no, true);
 
        void_gl_trans($type, $type_no, true);
@@ -340,18 +437,62 @@ function void_supp_invoice($type, $type_no)
        // now remove this invoice/credit from any GRNs/POs that it's related to
        if (db_num_rows($result) > 0)
        {
+               $date_ = Today();
         while ($details_row = db_fetch($result))
         {
-               if (strlen($details_row["grn_item_id"]) > 0) // it can be empty for GL items
+               if ((int)$details_row["grn_item_id"] > 0) // it can be empty for GL items
                {
-                               update_supp_received_items_for_invoice($details_row["grn_item_id"],
-                                       $details_row["po_detail_item_id"], -$details_row["quantity"]);
+                       // Changed 2008-10-17 by Joe Hunt to get the avg. material cost updated
+                               $old = update_supp_received_items_for_invoice($details_row["grn_item_id"],
+                                       $details_row["po_detail_item_id"], -$details_row["quantity"], $details_row["FullUnitPrice"]); 
+                               
+                               //$diff = $details_row["FullUnitPrice"] - $old[2];
+                               $old_date = sql2date($old[1]);
+                               
+                               $batch = get_grn_batch_from_item($details_row["grn_item_id"]);  
+                               $grn = get_grn_batch($batch);
+                       if ($type == 21) // credit note 2009-06-14 Joe Hunt Must restore the po and grn
+                       {       // We must get the corresponding invoice item to check for price chg.
+                                       $match = get_matching_invoice_item($details_row["stock_id"], $details_row["po_detail_item_id"]);
+                                       if ($match !== false)
+                                               $mat_cost = update_average_material_cost($grn["supplier_id"], $details_row["stock_id"],  
+                                                       $match["unit_price"], -$details_row["quantity"], sql2date($match['tran_date']), $match['tran_date'] !== $trans['tran_date']);
+                                       else            
+                                               $mat_cost = update_average_material_cost($grn["supplier_id"], $details_row["stock_id"],  
+                                                       $details_row["FullUnitPrice"], -$details_row["quantity"], $old_date, $old[1] !== $trans['tran_date']);
+                                       $sql = "UPDATE ".TB_PREF."purch_order_details
+                                       SET quantity_ordered = quantity_ordered + ".-$details_row["quantity"].", ";
+                               if ($match !== false)
+                                       $sql .= "act_price=".$match['unit_price'].", ";
+                               $sql .= "quantity_received = quantity_received + ".-$details_row["quantity"]."
+                                   WHERE po_detail_item = ".$details_row["po_detail_item_id"];
+                                       db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
+                                       $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=qty_recd+".-$details_row["quantity"]."
+                                               WHERE id=".$details_row["grn_item_id"];
+                                       db_query($sql);
+                       }
+                       else
+                       {
+                                       $diff = get_diff_in_home_currency($grn["supplier_id"], $old_date, sql2date($trans['tran_date']), $old[2], 
+                                               $details_row["FullUnitPrice"]);
+                                       // Only adjust the avg for the diff
+                                       $mat_cost = update_average_material_cost(null, $details_row["stock_id"],
+                                               $diff, -$details_row["quantity"], $old_date, true);
+                               }
+                               $deliveries = get_deliveries_between($details_row["stock_id"], $old_date, $date_);
+                               if ($deliveries[0] != 0) // have deliveries been done during the period?
+                               {
+                                       update_stock_move_pid(13, $details_row["stock_id"], $old_date, $date_, 0, $mat_cost);
+                               }
+                               update_stock_move_pid(25, $details_row["stock_id"], $old_date, $old_date, $grn['supplier_id'], $mat_cost);
                }
         }
        }
 
+       if ($type == 21) // void the credits in stock moves
+               void_stock_move(21, $type_no); 
        void_supp_invoice_items($type, $type_no);
-       void_supp_invoice_tax_items($type, $type_no);
+       void_trans_tax_details($type, $type_no);
 
        commit_transaction();
 }
@@ -359,4 +500,4 @@ function void_supp_invoice($type, $type_no)
 //----------------------------------------------------------------------------------------
 
 
-?>
\ No newline at end of file
+?>