purchasing/includes/purchasing_db.inc

   1 <?php
   2 /**********************************************************************
   3     Copyright (C) FrontAccounting, LLC.
   4         Released under the terms of the GNU General Public License, GPL,
   5         as published by the Free Software Foundation, either version 3
   6         of the License, or (at your option) any later version.
   7     This program is distributed in the hope that it will be useful,
   8     but WITHOUT ANY WARRANTY; without even the implied warranty of
   9     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  10     See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
  11 ***********************************************************************/
  12 include_once($path_to_root . "/purchasing/includes/supp_trans_class.inc");
  13
  14 include_once($path_to_root . "/includes/banking.inc");
  15 include_once($path_to_root . "/includes/inventory.inc");
  16
  17 include_once($path_to_root . "/includes/date_functions.inc");
  18
  19 include_once($path_to_root . "/includes/db/allocations_db.inc");
  20
  21 include_once($path_to_root . "/purchasing/includes/db/supp_trans_db.inc");
  22 include_once($path_to_root . "/purchasing/includes/db/po_db.inc");
  23 include_once($path_to_root . "/purchasing/includes/db/grn_db.inc");
  24 include_once($path_to_root . "/purchasing/includes/db/invoice_db.inc");
  25 include_once($path_to_root . "/purchasing/includes/db/suppalloc_db.inc");
  26 include_once($path_to_root . "/purchasing/includes/db/supp_payment_db.inc");
  27 include_once($path_to_root . "/purchasing/includes/db/suppliers_db.inc");
  28
  29 //-------------------------------------------------------------------------------------------------------------
  30
  31 // add a supplier-related gl transaction
  32 // $date_ is display date (non-sql)
  33 // $amount is in SUPPLIERS'S currency
  34
  35 function add_gl_trans_supplier($type, $type_no, $date_, $account, $dimension, $dimension2,
  36         $amount, $supplier_id, $rate=0, $memo="")
  37 {
  38         return add_gl_trans($type, $type_no, $date_, $account, $dimension, $dimension2, $memo,
  39                 $amount, get_supplier_currency($supplier_id),
  40                 PT_SUPPLIER, $supplier_id, $rate);
  41 }
  42
  43 //----------------------------------------------------------------------------------------
  44
  45 function get_purchase_price($supplier_id, $stock_id)
  46 {
  47         $sql = "SELECT price, conversion_factor FROM ".TB_PREF."purch_data
  48                 WHERE supplier_id = ".db_escape($supplier_id) . "
  49                 AND stock_id = ".db_escape($stock_id);
  50         $result = db_query($sql, "The supplier pricing details for " . $stock_id . " could not be retrieved");
  51
  52         if (db_num_rows($result) == 1)
  53         {
  54                 $myrow = db_fetch($result);
  55                 return $myrow["price"] / $myrow['conversion_factor'];
  56         }
  57         else
  58         {
  59                 return 0;
  60         }
  61 }
  62
  63 function get_purchase_conversion_factor($supplier_id, $stock_id)
  64 {
  65         $sql = "SELECT conversion_factor FROM ".TB_PREF."purch_data
  66                 WHERE supplier_id = ".db_escape($supplier_id)."
  67                 AND stock_id = ".db_escape($stock_id);
  68         $result = db_query($sql, "The supplier pricing details for " . $stock_id . " could not be retrieved");
  69
  70         if (db_num_rows($result) == 1)
  71         {
  72                 $myrow = db_fetch($result);
  73                 return $myrow['conversion_factor'];
  74         }
  75         else
  76         {
  77                 return 1;
  78         }
  79 }
  80 //----------------------------------------------------------------------------------------
  81
  82 function get_purchase_data($supplier_id, $stock_id)
  83 {
  84         $sql = "SELECT * FROM ".TB_PREF."purch_data
  85                 WHERE supplier_id = ".db_escape($supplier_id) . "
  86                 AND stock_id = ".db_escape($stock_id);
  87         $result = db_query($sql, "The supplier pricing details for " . $stock_id . " could not be retrieved");
  88
  89         return db_fetch($result);
  90 }
  91
  92 function add_or_update_purchase_data($supplier_id, $stock_id, $price, $description="", $uom="")
  93 {
  94         $data = get_purchase_data($supplier_id, $stock_id);
  95         if ($data === false)
  96         {
  97                 $sql = "INSERT INTO ".TB_PREF."purch_data (supplier_id, stock_id, price, suppliers_uom,
  98                         conversion_factor, supplier_description) VALUES (".db_escape($supplier_id)
  99                         .", ".db_escape($stock_id).", ".db_escape($price).", "
 100                         .db_escape($uom).", 1, ".db_escape($description).")";
 101                 db_query($sql,"The supplier purchasing details could not be added");
 102                 return;
 103         }
 104         $price = round($price * $data['conversion_factor'], user_price_dec());
 105         $sql = "UPDATE ".TB_PREF."purch_data SET price=".db_escape($price);
 106         if ($uom != "")
 107                 $sql .= ",suppliers_uom=".db_escape($uom);
 108         if ($description != "")
 109                 $sql .= ",supplier_description=".db_escape($description);
 110         $sql .= " WHERE stock_id=".db_escape($stock_id)." AND supplier_id=".db_escape($supplier_id);
 111         db_query($sql,"The supplier purchasing details could not be updated");
 112         return true;
 113 }
 114
 115 function get_po_prepayments($supp_trans)
 116 {
 117         // collect purchase order line ids
 118         $allocations = array();
 119         $line_ids = array();
 120         foreach($supp_trans->grn_items as $item)
 121                 if ($item->po_detail_item)
 122                         $line_ids[] = $item->po_detail_item;
 123
 124         if (!count($line_ids))
 125                 return $allocations;
 126
 127         $sql = "SELECT DISTINCT allocs.*
 128                 FROM ".TB_PREF."supp_allocations allocs
 129                         LEFT JOIN ".TB_PREF."purch_order_details line ON line.order_no=allocs.trans_no_to AND trans_type_to=".ST_PURCHORDER."
 130                 WHERE line.po_detail_item IN(".implode(',', array_values($line_ids)).")";
 131
 132         $result = db_query($sql, "Cannot retrieve po prepayments");
 133
 134         while($dat = db_fetch($result))
 135         {
 136                 $allocations[] = $dat;
 137         }
 138
 139         return $allocations;
 140 }
 141
 142 //---------------------------------------------------------------------------------------------------
 143 //
 144 //      Add Purchase Order, GRN or Purchase Invoice with parent auto documents (if any)
 145 //
 146 function add_direct_supp_trans($cart)
 147 {
 148         global $Refs, $type_shortcuts;
 149
 150         if ($cart->trans_type != ST_PURCHORDER) {
 151                 // for direct grn/invoice set same dates for lines as for whole document
 152                 foreach ($cart->line_items as $line_no =>$line)
 153                         $cart->line_items[$line_no]->req_del_date = $cart->tran_date;
 154         }
 155
 156         $ref = $cart->reference;
 157         if ($cart->trans_type != ST_PURCHORDER) {
 158                 $cart->reference = 'auto';
 159                 begin_transaction();    // all db changes as single transaction for direct document
 160         }
 161         $order_no = add_po($cart);
 162         $cart->order_no = $order_no;
 163
 164         if ($cart->trans_type == ST_PURCHORDER)
 165                 return $order_no;
 166
 167         //Direct GRN
 168         if ($cart->trans_type == ST_SUPPRECEIVE)
 169                 $cart->reference = $ref;
 170         if ($cart->trans_type != ST_SUPPINVOICE)
 171                 $cart->Comments = $cart->reference; //grn does not hold supp_ref
 172
 173         $grn_no = write_grn($cart);
 174         if ($cart->trans_type == ST_SUPPRECEIVE) {
 175                 commit_transaction(); // save PO+GRN
 176                 return $grn_no;
 177         }
 178         //      Direct Purchase Invoice
 179         $inv = new supp_trans(ST_SUPPINVOICE);
 180         $inv->Comments = $cart->Comments;
 181         $inv->supplier_id = $cart->supplier_id;
 182         $inv->tran_date = $cart->tran_date;
 183         $inv->due_date = $cart->due_date;
 184         $inv->dimension = $cart->dimension;
 185         $inv->dimension2 = $cart->dimension2;
 186         $inv->reference = $ref;
 187         $inv->supp_reference = $cart->supp_ref;
 188         $inv->tax_included = $cart->tax_included;
 189         $supp = get_supplier($cart->supplier_id);
 190         $inv->tax_group_id = $supp['tax_group_id'];
 191         $inv->ov_amount = $inv->ov_gst = $inv->ov_discount = 0;
 192         $total = 0;
 193                 foreach($cart->line_items as $key => $line) {
 194                 $inv->add_grn_to_trans($line->grn_item_id, $line->po_detail_rec, $line->stock_id,
 195                         $line->item_description, $line->quantity, 0, $line->quantity,
 196                         $line->price, $line->price, true, get_unit_cost($line->stock_id), '');
 197                 $total += round2(($line->quantity * $line->price), user_price_dec());
 198         }
 199         $inv->tax_overrides = $cart->tax_overrides;
 200         if (!$inv->tax_included) {
 201                 $taxes = $inv->get_taxes($inv->tax_group_id, 0, false);
 202                 foreach( $taxes as $taxitem) {
 203                         $total += isset($taxitem['Override']) ? $taxitem['Override'] : $taxitem['Value'];
 204                 }
 205         }
 206         $inv->ex_rate = $cart->ex_rate;
 207
 208         $inv_no = add_supp_invoice($inv);
 209
 210         if ($cart->cash_account) {
 211                 $pmt_no = write_supp_payment(0, $inv->supplier_id, $cart->cash_account, $inv->tran_date, $Refs->get_next(ST_SUPPAYMENT, null, $inv->tran_date),
 212                         $total, 0, _('Payment for:').$inv->supp_reference .' ('.$type_shortcuts[ST_SUPPINVOICE].$inv_no.')');
 213                 add_supp_allocation($total, ST_SUPPAYMENT, $pmt_no, ST_SUPPINVOICE, $inv_no, $inv->supplier_id, $inv->tran_date);
 214                 update_supp_trans_allocation(ST_SUPPINVOICE, $inv_no, $inv->supplier_id);
 215                 update_supp_trans_allocation(ST_SUPPAYMENT, $pmt_no, $inv->supplier_id);
 216         }
 217         commit_transaction(); // save PO+GRN+PI(+SP)
 218         return $inv_no;
 219 }
 220