New tax system implementation.
[fa-stable.git] / purchasing / includes / db / invoice_db.inc
index 427b73dc0a564127fe32560a580bc4d219e41dd6..e2da684c2f7f167a110100b482b343d85c0629ff 100644 (file)
@@ -123,247 +123,243 @@ function get_diff_in_home_currency($supplier, $old_date, $date, $amount1, $amoun
 }
 //----------------------------------------------------------------------------------------
 
-function add_supp_invoice(&$supp_trans)
+function add_supp_invoice(&$supp_trans)  //, $already_voided=false, $allocs=null)
 {
-       global $Refs;
+       global $Refs, $systypes_array;
 
-       //$company_currency = get_company_currency();
        $trans_no = $supp_trans->trans_no;
        $trans_type = $supp_trans->trans_type;
        $supplier = get_supplier($supp_trans->supplier_id);
+       $dec = user_price_dec();
 
        begin_transaction();
        hook_db_prewrite($supp_trans, $trans_type);
-       $tax_total = 0;
-    $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id);
-       if ($trans_no) {
+
+       if ($trans_no) {        // void old transaction
+//      if (!$already_voided) {        // transaction is already voided in case of direct invoice edition, which is needed for proper inventory value handling
                $allocs = get_payments_for($trans_no, $trans_type, $supp_trans->supplier_id); // save allocations
-               void_transaction($trans_type, $trans_no, Today(), _("Document reentered."));
+               void_supp_invoice($trans_type, $trans_no, true);
+               add_audit_trail($trans_type, $trans_no, Today(), _("Voided."));
+               add_voided_entry($trans_type, $trans_no, Today(), _("Document reentered."));
                $Refs->restore_last($trans_type, $trans_no);
+//      }
        } else
                $allocs = get_po_prepayments($supp_trans);
 
-       add_new_exchange_rate($supp_trans->currency, $supp_trans->tran_date, $supp_trans->ex_rate);
-
-    foreach ($taxes as $n => $taxitem)
-    {
-               $taxes[$n]['Value'] =  round2($taxitem['Value'], user_price_dec());
-       $tax_total += $taxes[$n]['Value'];
-    }
-
-       $invoice_items_total = $supp_trans->get_items_total();
-
-       $item_added_tax = 0;
-    if (!$supp_trans->tax_included)
-    {
-           $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id);
-           foreach ($taxes as $n => $taxitem)
-                       $item_added_tax += isset($taxitem['Override']) ? $taxitem['Override'] : round2($taxitem['Value'], user_price_dec());
-       }
+       // register exchange rate when used first time on date
+       add_new_exchange_rate($supplier['curr_code'], $supp_trans->tran_date, $supp_trans->ex_rate);
 
-       if ($trans_type == ST_SUPPCREDIT)
-       {
-               // let's negate everything because it's a credit note
-               $invoice_items_total = -$invoice_items_total;
-               $tax_total = -$tax_total;
-               $supp_trans->ov_discount = -$supp_trans->ov_discount; // this isn't used at all...
-               $item_added_tax = -$item_added_tax;
-       }
-
-    $date_ = $supp_trans->tran_date;
-       $ex_rate = get_exchange_rate_from_home_currency($supp_trans->currency, $date_);
-
-    /*First insert the invoice into the supp_trans table*/
-       $invoice_id = write_supp_trans($trans_type, 0, $supp_trans->supplier_id, $date_, $supp_trans->due_date,
-               $supp_trans->reference, $supp_trans->supp_reference,
-               $invoice_items_total, $item_added_tax, $supp_trans->ov_discount, "", 0, $supp_trans->tax_included);
+       // store basic transaction info
+       $invoice_id = write_supp_trans($trans_type, 0, $supp_trans->supplier_id, $supp_trans->tran_date, $supp_trans->due_date,
+               $supp_trans->reference, $supp_trans->supp_reference, 0, 0, 0, "", $supp_trans->ex_rate, $supp_trans->tax_included);
 
        if ($trans_no)
                move_trans_attachments($trans_type, $trans_no, $invoice_id);
 
        $supp_trans->trans_no = $invoice_id;
+    $date_ = $supp_trans->tran_date;
 
-       $total = 0;
+       if (!$supp_trans->ex_rate)
+               $supp_trans->ex_rate = get_exchange_rate_from_home_currency($supplier['curr_code'], $date_);
 
-    /* Now the TAX account */
-    $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id, 0, false);
-       $net_diff = 0;
+       // prepare cart for GL postings 
+       $gl_cart = new items_cart($trans_type, $invoice_id);
+       $gl_cart->tran_date = $date_;
+       $gl_cart->set_currency($supplier['curr_code'], $supp_trans->ex_rate);
 
-    foreach ($taxes as $taxitem)
-    {
-               if ($taxitem['Net'] != 0)
-               {
-                       if (isset($taxitem['Override'])) {
-                               if ($supp_trans->tax_included) { // if tax included, fix net amount to preserve overall line price
-                                       $net_diff += $taxitem['Override'] - $taxitem['Value'];
-                                       $taxitem['Net'] += $taxitem['Override'] - $taxitem['Value'];
-                               }
-                               $taxitem['Value'] = $taxitem['Override'];
-                       }
-                       add_trans_tax_details($trans_type, $invoice_id, 
-                               $taxitem['tax_type_id'], $taxitem['rate'], $supp_trans->tax_included, $taxitem['Value'],
-                               $taxitem['Net'], $ex_rate, $date_, $supp_trans->supp_reference, TR_INPUT);
+    $clearing_act = get_company_pref('grn_clearing_act');
 
-                       if (isset($taxitem['purchasing_gl_code']))
-                       {
-                               if ($trans_type == ST_SUPPCREDIT)
-                                       $taxitem['Value'] = -$taxitem['Value'];
-                               $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_,
-                                       $taxitem['purchasing_gl_code'], 0, 0, $taxitem['Value'],
-                                       $supp_trans->supplier_id,
-                                       "A general ledger transaction for the tax amount could not be added");
-                       }
-               }
-    }
-    if ($trans_type == ST_SUPPCREDIT)
-               $net_diff = -$net_diff;
+       $supp_trans->split_line_values();       // generate amounts for GL postings
 
-    /* Now the AP account */
-    $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $supplier["payable_account"], 0, 0,
-               -($invoice_items_total +  $item_added_tax + $supp_trans->ov_discount),
-               $supp_trans->supplier_id,
-               "The general ledger transaction for the control total could not be added");
+       $tax_total = 0;
+       $net_total = 0;
+       foreach($supp_trans->grn_items as $item)
+       {
+       if ($trans_type == ST_SUPPCREDIT)
+               {
+                       $item->this_quantity_inv = -$item->this_quantity_inv;
+                       set_grn_item_credited($item, $supp_trans->supplier_id, $invoice_id, $date_);
+               }
+               $item_gl = $item->gl_amounts;
 
-       $to_allocate = ($invoice_items_total + $item_added_tax + $supp_trans->ov_discount);
+               $stock_gl_code = get_stock_gl_code($item->item_code);
+               $dimension = !empty($supp_trans->dimension) ? $supp_trans->dimension :
+                       ($supplier['dimension_id'] ? $supplier['dimension_id'] : $stock_gl_code['dimension_id']);
+               $dimension2 = !empty($supp_trans->dimension2) ? $supp_trans->dimension2 :
+                       ($supplier['dimension2_id'] ? $supplier['dimension2_id'] : $stock_gl_code['dimension2_id']);
 
-    foreach ($supp_trans->gl_codes as $entered_gl_code)
-    {
-           /*GL Items are straight forward - just do the debit postings to the GL accounts specified -
-           the credit is to creditors control act  done later for the total invoice value + tax*/
+               $line_tax = 0;
+               foreach($item_gl as $index => $value)
+               {
+                        if (is_numeric($index)) // taxes
+                        {
+                               if ($value['Deductible'])
+                               {       // GL: VAT deductible
+                               $gl_cart->add_gl_item($value['purchasing_gl_code'], 0, 0, $value['Deductible']+$value['Adjust'],  //FIXME: 'Adjust' ?
+                                               $value['Payable'] ? sprintf(_('Internal invoice %s input tax'), $supp_trans->reference) : '');
+                                       // GL: VAT adjustment due to vat factor
+                                       if ($value['Adjust'])
+                                               $gl_cart->add_gl_item(get_company_pref('tax_adjustments_act'), 0, 0, -$value['Adjust']);
+                               }
+                               if ($value['Payable']) // reverse charge/intracommunity aquisition
+                               {
+                                       $gl_cart->add_gl_item($value['sales_gl_code'], 0, 0, -$value['Payable'],
+                                       sprintf(_('Internal invoice %s input tax'), $supp_trans->reference));
+                               }
+                               // GL: AP account (vat part)
+                               if ($value['Value'])
+                               {
+                                       $gl_cart->add_gl_item($supplier["payable_account"], 0, 0, -$value['Value'] , '', '', $supp_trans->supplier_id);
+                               }
+                               if (($item->vat_category == VC_REVERSE) && $supplier['tax_area'] == TA_EU)
+                                       $vat_category = VC_OTHER;
+                               else
+                                       $vat_category = $item->vat_category;
 
-               if ($trans_type == ST_SUPPCREDIT)
-                       $entered_gl_code->amount = -$entered_gl_code->amount;
+                               add_trans_tax_details($trans_type, $invoice_id, 
+                                       $value['tax_type_id'], $value['rate'], $supp_trans->tax_included, $value['Value'],
+                                       $item_gl['Net'], $supp_trans->ex_rate, $date_, $supp_trans->supp_reference, TR_INPUT, $supp_trans->tax_group_id, $vat_category);
 
-               $memo_ = $entered_gl_code->memo_;
-               $total += add_gl_trans_supplier($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_);
+                                       // $value['Deductible'], ???
 
-               add_supp_invoice_gl_item($trans_type, $invoice_id, $entered_gl_code->gl_code, $entered_gl_code->amount, $memo_,
-                       $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2);
+                               $tax_total += $value['Value'];
 
-               // store tax details if the gl account is a tax account
-               if ($trans_type == ST_SUPPCREDIT)
-                       $entered_gl_code->amount = -$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, $supp_trans->tax_included);
-    }
+                               $line_tax += $value['Payable'] ? $value['Payable'] : $value['Value'];
+                       }
+               }
+               // GL: AP account (net)
+               $gl_cart->add_gl_item($supplier["payable_account"], 0, 0, -$item_gl['Net'], '', '', $supp_trans->supplier_id);
+               $net_total += $item_gl['Net'];
 
-    $clearing_act = get_company_pref('grn_clearing_act');
-    foreach ($supp_trans->grn_items as $line_no => $entered_grn)
-    {
+               // cost line value
+               $taxfree_line =  $item_gl['Cost'];
 
-       if ($trans_type == ST_SUPPCREDIT)
-       {
-                       $entered_grn->this_quantity_inv = -$entered_grn->this_quantity_inv;
-                       set_grn_item_credited($entered_grn, $supp_trans->supplier_id, $invoice_id, $date_);
-       }
+               $old = update_supp_received_items_for_invoice($item->id, $item->po_detail_item,
+                       $item->this_quantity_inv, $item->chg_price);
 
-               // For tax included pricelist the net price is calculated down from tax_included price.
-               // To avoid rounding errors we have to operate on line value instead of price
-               // Additionally we have to take into account differences in net value
-               // due to variations in tax calculations on supplier side. More over there is no direct relation between
-               // taxes and sales accounts, so we add net_diff just to first posted net value. This is _ugly_hack_
-               // which save us from rewriting whole routine, and works right only for small tax differences.
+               // 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[2];
 
-               $taxfree_line = get_tax_free_price_for_item($entered_grn->item_code, $entered_grn->this_quantity_inv * $entered_grn->chg_price, 
-                         $supp_trans->tax_group_id, $supp_trans->tax_included) - $net_diff; $net_diff = 0;
+               /*
+                       If statement is removed. Should always check for deliveries nomatter if there has been a price change. 
+               */
+               $old_date = sql2date($old[1]);
 
-               $line_tax = get_full_price_for_item($entered_grn->item_code,
-                       $entered_grn->this_quantity_inv * $entered_grn->chg_price, 0, $supp_trans->tax_included) - $taxfree_line;
+               if (!is_inventory_item($item->item_code))
+               {
+                       $gl_cart->add_gl_item($supplier["purchase_account"] ? $supplier["purchase_account"] : $stock_gl_code["cogs_account"], $dimension, $dimension2,  $taxfree_line);
 
-               $stock_gl_code = get_stock_gl_code($entered_grn->item_code);
+               } else {
 
-               $dim = !empty($supp_trans->dimension) ? $supp_trans->dimension :
-                       ($supplier['dimension_id'] ? $supplier['dimension_id'] : $stock_gl_code['dimension_id']);
-               $dim2 = !empty($supp_trans->dimension2) ? $supp_trans->dimension2 :
-                       ($supplier['dimension2_id'] ? $supplier['dimension2_id'] : $stock_gl_code['dimension2_id']);
-       if ($trans_type == ST_SUPPCREDIT)
-               {
-                       $iv_act = (is_inventory_item($entered_grn->item_code) ? $stock_gl_code["inventory_account"] : 
-                               ($supplier["purchase_account"] ? $supplier["purchase_account"] : $stock_gl_code["cogs_account"]));
-                       $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
-                               $dim, $dim2, $taxfree_line, $supp_trans->supplier_id);
-               }
-       else
-       {
-               // -------------- if price changed since po received.
-                       $iv_act = is_inventory_item($entered_grn->item_code) ? ($clearing_act ? $clearing_act : $stock_gl_code["inventory_account"]) : 
-                               ($supplier["purchase_account"] ? $supplier["purchase_account"] : $stock_gl_code["cogs_account"]);
-               $old = update_supp_received_items_for_invoice($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[2];
-
-                       $old_date = sql2date($old[1]);
-                       if (!is_inventory_item($entered_grn->item_code))
-                               $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
-                                       $dim, $dim2, $taxfree_line, $supp_trans->supplier_id);
-                       else
-                       {
-                               $ex_rate = get_exchange_rate_from_home_currency($supp_trans->currency, $old_date);
-                               $old_value = get_tax_free_price_for_item($entered_grn->item_code, $entered_grn->this_quantity_inv * $old_price, 
-                                         $supp_trans->tax_group_id, $supp_trans->tax_included);
+                       $val = split_item_price($item->item_code, $item->this_quantity_inv * $old_price, 
+                                 $supp_trans->tax_group_id, $supp_trans->tax_included);
 
-                               $currency = get_supplier_currency($supp_trans->supplier_id);
+                       $GRN_value = $val['Cost'];
 
-                               $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
-                                       $dim, $dim2, $old_value, $supp_trans->supplier_id, "", $ex_rate);
-                               $diff = get_diff_in_home_currency($supp_trans->supplier_id, $old_date, $date_, $old_value, 
-                                       $taxfree_line);
+                       $diff = get_diff_in_home_currency($supp_trans->supplier_id, $old_date, $date_, $GRN_value,
+                               $taxfree_line);
 
-                               $mat_cost = update_average_material_cost(null, $entered_grn->item_code,
-                                       $diff/$entered_grn->this_quantity_inv, $entered_grn->this_quantity_inv, null, true);
+                       // update average cost with per item part of difference (between invoice value and value set on po/grn)
+                       update_average_material_cost(null, $item->item_code,
+                               $diff/$item->this_quantity_inv, $item->this_quantity_inv, null, true, "add_supp_invoice $trans_type:$invoice_id");
 
+                       if ($clearing_act)      // no postings on GRN, so post full net value
+                       {
                                //Add GL transaction for GRN Provision in case of difference
+                               // material was already posted due GRN; post differences in value
                                if ($diff != 0)
                                {
-                                       $total += add_gl_trans($trans_type, $invoice_id, $date_, $stock_gl_code["inventory_account"],
-                                               $dim, $dim2, 'GRN Provision', $diff, null, null, null,
-                                               "The general ledger transaction could not be added for the GRN of the inventory item");
 
+                                       $gl_cart->add_gl_item($stock_gl_code["inventory_account"],                      // cart is in supplier currency, so need to fix by ex_rate here
+                                               $dimension, $dimension2, $diff/$gl_cart->rate, _('GRN Provision')); // subject to rounding errors?
+                                       $gl_cart->add_gl_item($clearing_act,
+                                               $dimension, $dimension2, -$diff/$gl_cart->rate, _('GRN Provision'));
+
+                                       //Chaitanya
                                        //If QOH is 0 or negative then update_average_material_cost will be skipped
                                        //Thus difference in PO and Supp Invoice should be handled separately
-                                       $qoh = get_qoh_on_date($entered_grn->item_code);
+                                       $qoh = get_qoh_on_date($item->item_code);
                                        if ($qoh <= 0)
                                        {
                                                global $Refs;
-
+                                                       //Chaitanya : Post a journal entry
                                                $id = get_next_trans_no(ST_JOURNAL);
                                                $ref = $Refs->get_next(ST_JOURNAL, null, $date_);
                                                add_journal(ST_JOURNAL, $id, $diff, $date_, get_company_currency(), $ref);
-                                               $stock_id = $entered_grn->item_code;
+                                               $stock_id = $item->item_code;
                                                $stock_gl_code = get_stock_gl_code($stock_id);
                                                $memo = _("Supplier invoice adjustment for zero inventory of ").$stock_id." "._("Invoice")." ".$supp_trans->reference;
                                                //Reverse the inventory effect if $qoh <=0
                                                add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, 
                                                        $stock_gl_code["inventory_account"],
-                                                       $dim, $dim2, $memo, -$diff);
+                                                       $dimension, $dimension2,
+                                                       $memo, -$diff);
                                                //GL Posting to inventory adjustment account
                                                add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, 
                                                        $stock_gl_code["adjustment_account"],
-                                                       $dim, $dim2, $memo, $diff);
-
-                                               add_audit_trail(ST_JOURNAL, $id, $date_);
+                                                       $dimension, $dimension2,
+                                                       $memo, $diff);
+                                                       add_audit_trail(ST_JOURNAL, $id, $date_);
                                                add_comments(ST_JOURNAL, $id, $date_, $memo);
                                                $Refs->save(ST_JOURNAL, $id, $ref);
                                        }
                                }
+                               $gl_cart->add_gl_item($clearing_act, $dimension, $dimension2, $taxfree_line);
                        }
-                       add_or_update_purchase_data($supp_trans->supplier_id, $entered_grn->item_code, $entered_grn->chg_price); 
+                       else
+                               $gl_cart->add_gl_item($stock_gl_code["inventory_account"], $dimension, $dimension2,     $taxfree_line);
+
                }
-               update_purchase_value($entered_grn->item_code, $entered_grn->chg_price * $ex_rate);
-               add_supp_invoice_item($trans_type, $invoice_id, $entered_grn->item_code,
-                       $entered_grn->item_description, 0,      $entered_grn->chg_price, $line_tax/$entered_grn->this_quantity_inv,
-                       $entered_grn->this_quantity_inv, $entered_grn->id, $entered_grn->po_detail_item, "");
-    } /* end of GRN postings */
 
-       /*Post a balance post if $total != 0 */
-       add_gl_balance($trans_type, $invoice_id, $date_, -$total, PT_SUPPLIER, $supp_trans->supplier_id); // ??
+//        if (is_fa_item($item->item_code)) {
+//          add_actual_cost($item->order_price, $item->item_code);
+//        }
+
+               add_or_update_purchase_data($supp_trans->supplier_id, $item->item_code, $item->chg_price); 
+
+               add_supp_invoice_item($trans_type, $invoice_id, $item->item_code,
+                       $item->item_description, 0,     $item->chg_price, $line_tax/$item->this_quantity_inv,
+                       $item->this_quantity_inv, $item->id, $item->po_detail_item);
+    } // grn_items
+
+    /*GL Items are straight forward - just do the debit postings to the GL accounts specified -
+    the credit is to creditors control act */
+    foreach ($supp_trans->gl_codes as $entered_gl_code)
+    {
+               if ($trans_type == ST_SUPPCREDIT)
+                       $entered_gl_code->amount = -$entered_gl_code->amount;
+
+               $memo_ = $entered_gl_code->memo_;
+
+               $index = is_tax_account($entered_gl_code->gl_code);
+               if ($index !== false)
+               {
+                       $gl_cart->add_gl_item($entered_gl_code->gl_code, $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2, $entered_gl_code->amount);
+                       // store tax details if the gl account is a tax account
+                       if ($trans_type == ST_SUPPCREDIT)
+                               $entered_gl_code->amount = -$entered_gl_code->amount;
+                       add_gl_tax_details($entered_gl_code->gl_code, 
+                               $trans_type, $invoice_id, $entered_gl_code->amount,
+                               $supp_trans->ex_rate, $date_, $supp_trans->supp_reference, $supp_trans->tax_included, null, $supp_trans->tax_group_id);
+
+                       $tax_total += $entered_gl_code->amount;
+               } else {
+                       $gl_cart->add_gl_item($entered_gl_code->gl_code, $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2, $entered_gl_code->amount);
+                       $net_total += $entered_gl_code->amount;
+               }
+               $gl_cart->add_gl_item($supplier["payable_account"], 0, 0, -$entered_gl_code->amount, '', '', $supp_trans->supplier_id);
+
+               add_supp_invoice_gl_item($trans_type, $invoice_id, $entered_gl_code->gl_code, $entered_gl_code->amount, $memo_,
+                       $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2);
+    }
+
+       $gl_cart->reduce_gl();  // minimize GL lines
+
+       $gl_cart->write_gl(false); // don't check balances here: we are working on two (maybe unbalanced) carts
+
+       update_supp_trans_sums($trans_type, $invoice_id, round($net_total,2), round($tax_total,2));
 
        add_comments($trans_type, $invoice_id, $date_, $supp_trans->Comments);
 
@@ -395,11 +391,10 @@ function add_supp_invoice(&$supp_trans)
                }
        }
 
-       reallocate_payments($invoice_id, ST_SUPPINVOICE, $date_, $to_allocate, $allocs, $supp_trans->supplier_id);
-       $supp_trans->trans_no = $invoice_id;
+       reallocate_payments($invoice_id, ST_SUPPINVOICE, $date_, $net_total+$tax_total, $allocs, $supp_trans->supplier_id);
+
        hook_db_postwrite($supp_trans, $supp_trans->trans_type);
     commit_transaction();
-
     return $invoice_id;
 }