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 ***********************************************************************/
13 Update average inventory item cost.
15 function update_average_material_cost($supplier, $stock_id, $price, $qty, $date, $adj_only=false)
17 // probably this function should be optimized
18 // passing transaction cart as argument. This would
19 // save a couple of db calls like get_supplier()
21 $supp = get_supplier($supplier);
22 if ($supplier != null)
23 $currency = $supp['curr_code'];
27 if ($supp['tax_included'])
28 $price = get_tax_free_price_for_item(ST_SUPPINVOICE, // ?
29 $stock_id, $price, $supp['tax_group_id'],
30 $supp['tax_included']);
32 if ($currency != null)
34 $ex_rate = get_exchange_rate_to_home_currency($currency, $date);
35 $price_in_home_currency = $price / $ex_rate;
38 $price_in_home_currency = $price;
40 $price_in_home_currency_ = $price_in_home_currency;
42 // Handle if inventory will become negative
43 // Skip negative inventory adjustment for case of adjust_only
44 if (is_inventory_item($stock_id) && !$adj_only)
45 handle_negative_inventory($stock_id, $qty, $price_in_home_currency, $date);
47 $item = get_item($stock_id);
48 $avg_cost = $item['material_cost'];
50 $qoh = get_qoh_on_date($stock_id);
57 $avg_cost = ($qoh * $avg_cost + $qty * $price_in_home_currency) / $qoh;
68 $avg_cost = ($qoh * $avg_cost + $qty * $price_in_home_currency) / ($qoh + $qty);
71 if ($cost_adjust) // Material_cost replaced with price
72 adjust_deliveries($stock_id, $price_in_home_currency_, $date);
74 $sql = "UPDATE ".TB_PREF."stock_master SET material_cost=".db_escape($avg_cost)."
75 WHERE stock_id=".db_escape($stock_id);
77 db_query($sql,"The cost details for the inventory item could not be updated");
81 //-------------------------------------------------------------------------------------------------------------
83 // Add or update GRN transaction.
85 function write_grn(&$po)
89 $date_ = $po->tran_date;
92 begin_transaction(__FUNCTION__, func_get_args());
93 hook_db_prewrite($po, ST_SUPPRECEIVE);
95 if (!is_company_currency($po->curr_code))
98 $po->ex_rate = get_date_exchange_rate($po->curr_code, $date_);
100 add_new_exchange_rate($po->curr_code, $date_, $po->ex_rate);
105 $grn = add_grn_batch($po->order_no, $po->supplier_id, $po->reference, $po->Location, $date_, $po->ex_rate);
108 update_grn_batch($grn, $po->reference, $po->Location, $date_);
110 void_gl_trans(ST_SUPPRECEIVE, $grn, true);
111 void_stock_move(ST_SUPPRECEIVE, $grn);
112 void_trans_tax_details(ST_SUPPRECEIVE, $grn);
113 delete_comments(ST_SUPPRECEIVE, $grn);
116 $clearing_act = get_company_pref('grn_clearing_act');
118 foreach ($po->line_items as $line_no => $order_line)
120 if ($order_line->quantity != 0)
122 $stock_gl_code = get_stock_gl_code($order_line->stock_id);
124 //------------------------------------------------------------------------------------------------------
125 if ($order_line->qty_received == 0)
127 /* This must be the first receipt of goods against this PO line. */
128 /* Store provisional cost used in GL posting - inventory is updated to actual cost later when invoice is received */
129 $order_line->unit_cost = round2($order_line->taxfree_charge_value() / $po->ex_rate / $order_line->quantity, user_price_dec());
132 //------------------- update average material cost and clearing account --------------------------------
133 if (is_inventory_item($order_line->stock_id))
136 $total += add_gl_trans_std_cost(ST_SUPPRECEIVE, $grn, $date_, $stock_gl_code["inventory_account"],
137 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'], $order_line->stock_id,
138 $order_line->unit_cost*$order_line->quantity, PT_SUPPLIER, $po->supplier_id);
140 update_average_material_cost($po->supplier_id, $order_line->stock_id, $order_line->price,
141 $order_line->quantity, $date_);
144 /* Need to insert a grn item */ // also need to check for over-receive.(within allowance)
145 if ($order_line->quantity + $order_line->qty_received > $order_line->qty_ordered)
146 $order_line->qty_ordered = $order_line->quantity + $order_line->qty_received;
148 /* Store line details and update po_line */
149 $grn_item = write_grn_item($grn, $order_line->po_item_id,
150 $order_line->stock_id, $order_line->item_description, $order_line->quantity, $order_line->grn_item_id, $order_line->unit_cost);
152 $po->line_items[$line_no]->grn_item_id = $grn_item;
153 /* Update location stock records - NB a po cannot be entered for a service/kit parts done automatically */
154 add_stock_move(ST_SUPPRECEIVE, $order_line->stock_id, $grn, $po->Location, $date_, "",
155 $order_line->quantity, $order_line->unit_cost, $order_line->taxfree_charge_value()/$order_line->quantity);
157 } /* quantity received is != 0 */
160 if ($clearing_act && $total != 0.0) {
161 $accs = get_supplier_accounts($po->supplier_id);
162 $total += add_gl_trans_supplier(ST_SUPPRECEIVE, $grn, $date_, $clearing_act,
163 $accs['dimension_id'], $accs['dimension2_id'], -$total, null);
165 $Refs->save(ST_SUPPRECEIVE, $grn, $po->reference);
167 add_audit_trail(ST_SUPPRECEIVE, $grn, $date_);
169 $po->trans_no = $grn;
170 hook_db_postwrite($po, ST_SUPPRECEIVE);
172 commit_transaction();
177 //----------------------------------------------------------------------------------------
179 function add_grn_batch($po_number, $supplier_id, $reference, $location, $date_, $rate)
181 $date = date2sql($date_);
183 $sql = "INSERT INTO ".TB_PREF."grn_batch (purch_order_no, delivery_date, supplier_id, reference, loc_code, rate)
184 VALUES (".db_escape($po_number).", ".db_escape($date).", "
185 .db_escape($supplier_id).", ".db_escape($reference).", ".db_escape($location).", ".db_escape($rate).")";
187 db_query($sql, "A grn batch record could not be inserted.");
189 return db_insert_id();
192 //----------------------------------------------------------------------------------------
194 function update_grn_batch($grn, $reference, $location, $date_)
196 $date = date2sql($date_);
198 $sql = "UPDATE ".TB_PREF."grn_batch SET
199 delivery_date=".db_escape($date).",
200 reference=".db_escape($reference).",
201 loc_code=".db_escape($location)."
202 WHERE id=".db_escape($grn);
204 db_query($sql, "A grn batch record could not be updated.");
206 return db_insert_id();
208 //-------------------------------------------------------------------------------------------------------------
210 function write_grn_item($grn_batch_id, $po_detail_item, $item_code, $description, $quantity_received, $grn_item_id, $unit_cost)
213 $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=".db_escape($quantity_received)
214 ." WHERE id=".db_escape($grn_item_id);
216 $sql = "INSERT INTO ".TB_PREF."grn_items (grn_batch_id, po_detail_item, item_code, description, qty_recd)
217 VALUES (".db_escape($grn_batch_id).", "
218 .db_escape($po_detail_item).", ".db_escape($item_code).", ".db_escape($description)
219 .", ".db_escape($quantity_received).")";
221 db_query($sql, "A GRN detail item could not be stored.");
223 $sql = "UPDATE ".TB_PREF."purch_order_details po,
224 (SELECT SUM(qty_recd) received FROM ".TB_PREF."grn_items grn WHERE po_detail_item=".db_escape($po_detail_item).") grn
225 SET po.quantity_received = grn.received,
226 po.std_cost_unit =".db_escape($unit_cost)."
227 WHERE po_detail_item = ".db_escape($po_detail_item);
228 db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
230 return db_insert_id();
233 //----------------------------------------------------------------------------------------
234 function get_grn_batch_from_item($item)
236 $sql = "SELECT grn_batch_id FROM ".TB_PREF."grn_items WHERE id=".db_escape($item);
237 $result = db_query($sql, "Could not retreive GRN batch id");
238 $row = db_fetch_row($result);
242 function get_grn_batch($grn)
244 $sql = "SELECT * FROM ".TB_PREF."grn_batch WHERE id=".db_escape($grn);
245 $result = db_query($sql, "Could not retreive GRN batch id");
246 return db_fetch($result);
249 function set_grn_item_credited(&$entered_grn, $supplier, $transno, $date)
251 $mcost = update_average_material_cost($supplier, $entered_grn->item_code,
252 $entered_grn->chg_price, $entered_grn->this_quantity_inv, $date);
254 $sql = "SELECT grn.*, item.*
255 FROM ".TB_PREF."grn_batch grn,"
256 .TB_PREF."grn_items item
257 WHERE item.grn_batch_id=grn.id
258 AND item.id=".db_escape($entered_grn->id)."
259 AND item.item_code=".db_escape($entered_grn->item_code);
261 $result = db_query($sql, "Could not retreive GRNS");
262 $myrow = db_fetch($result);
264 $sql = "UPDATE ".TB_PREF."purch_order_details
265 SET quantity_received = quantity_received - "
266 .db_escape($entered_grn->this_quantity_inv).",
267 quantity_ordered = quantity_ordered - "
268 .db_escape($entered_grn->this_quantity_inv).",
269 qty_invoiced = qty_invoiced - ".db_escape($entered_grn->this_quantity_inv).",
270 act_price=".db_escape($entered_grn->chg_price)."
271 WHERE po_detail_item = ".$myrow["po_detail_item"];
272 db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
274 //$sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=0, quantity_inv=0 WHERE id=$entered_grn->id";
275 $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=qty_recd-".db_escape($entered_grn->this_quantity_inv)
276 .",quantity_inv=quantity_inv-".db_escape($entered_grn->this_quantity_inv)
277 ." WHERE id=".db_escape($entered_grn->id);
280 add_stock_move(ST_SUPPCREDIT, $entered_grn->item_code, $transno, $myrow['loc_code'], $date, "",
281 -$entered_grn->this_quantity_inv, $mcost, $entered_grn->chg_price);
284 function get_grn_items($grn_batch_id=0, $supplier_id="", $outstanding_only=false,
285 $is_invoiced_only=false, $invoice_no=0, $begin="", $end="")
287 $sql = "SELECT grn.*, grn_item.*, po_item.delivery_date as req_del_date,
288 grn_item.quantity_inv".($invoice_no ? "-invoice_item.quantity" : '')." quantity_inv,
291 po_item.quantity_ordered,
292 po_item.quantity_received,
293 po_item.std_cost_unit, units
294 FROM ".TB_PREF."grn_batch grn"
295 ." INNER JOIN ".TB_PREF."grn_items grn_item ON grn_item.grn_batch_id=grn.id"
296 ." INNER JOIN ".TB_PREF."purch_order_details po_item ON grn_item.po_detail_item=po_item.po_detail_item"
297 ." INNER JOIN ".TB_PREF."stock_master stock_item ON stock_item.stock_id=grn_item.item_code";
299 if ($invoice_no != 0) {
300 $sql .= " LEFT JOIN ".TB_PREF."supp_invoice_items invoice_item ON ";
302 $inv_cond = "invoice_item.supp_trans_type=".ST_SUPPINVOICE." AND invoice_item.supp_trans_no ";
303 if (is_array($invoice_no))
304 $inv_cond .= " IN (".implode(',' , $invoice_no) . ")";
306 $inv_cond .= " = $invoice_no";
307 $sql .= "($inv_cond) AND grn_item.id=invoice_item.grn_item_id";
310 $sql .= " WHERE grn_item.qty_recd != 0";
312 if ($outstanding_only)
313 $sql .= " AND (".($invoice_no ? "$inv_cond OR ":'')."grn_item.qty_recd - grn_item.quantity_inv > 0)";
315 $sql .= " AND stock_item.stock_id=grn_item.item_code ";
318 $sql .= " AND grn.delivery_date>='".date2sql($begin)."'";
320 $sql .= " AND grn.delivery_date<='".date2sql($end)."'";
321 if ($grn_batch_id != 0)
322 $sql .= " AND grn.id=".db_escape($grn_batch_id)
323 ." AND grn_item.grn_batch_id=".db_escape($grn_batch_id);
325 if ($is_invoiced_only)
326 $sql .= " AND grn_item.quantity_inv > 0";
328 if ($supplier_id != "")
329 $sql .= " AND grn.supplier_id =".db_escape($supplier_id);
331 $sql .= " ORDER BY grn.delivery_date, grn.id, grn_item.id";
333 return db_query($sql, "Could not retreive GRNS");
336 //----------------------------------------------------------------------------------------
338 // get the details for a given grn item
340 function get_grn_item($grn_item_no)
342 $sql = "SELECT grn.*, po.unit_price, grn.qty_recd - grn.quantity_inv AS QtyOstdg,
344 FROM ".TB_PREF."grn_items grn,"
345 .TB_PREF."purch_order_details po,"
346 .TB_PREF."stock_master item
347 WHERE grn.po_detail_item=po.po_detail_item
348 AND item.stock_id=grn.item_code
349 AND grn.id=".db_escape($grn_item_no);
351 $result = db_query($sql, "could not retreive grn item details");
352 return db_fetch($result);
355 //----------------------------------------------------------------------------------------
357 function read_grn_items_to_order($grn_batch, &$order)
359 $result = get_grn_items($grn_batch);
361 if (db_num_rows($result) > 0)
364 while ($myrow = db_fetch_assoc($result))
366 if ($myrow['qty_recd'] == 0 && $myrow['quantity_inv'] == 0)
367 continue; // We will not have empty credited rows.
369 $order->add_to_order($myrow["item_code"],
370 $myrow["qty_recd"],$myrow["description"], $myrow["unit_price"],
371 sql2date($myrow["req_del_date"]), $myrow["quantity_inv"],
372 $myrow["quantity_received"], $myrow["quantity_ordered"], $myrow["id"], $myrow["po_detail_item"], $myrow["std_cost_unit"]);
373 } /* line po from purchase order details */
374 } //end of checks on returned data set
377 //----------------------------------------------------------------------------------------
379 // read a grn into an order class
381 function read_grn($grn_batch, &$order)
383 $sql= "SELECT * FROM ".TB_PREF."grn_batch WHERE id=".db_escape($grn_batch);
385 $result = db_query($sql, "The grn sent is not valid");
387 $row = db_fetch($result);
388 $po_number = $row["purch_order_no"];
389 $order->ex_rate = $row["rate"];
391 $result = read_po_header($po_number, $order);
396 $order->trans_type = ST_SUPPRECEIVE;
397 $order->tran_date = sql2date($row["delivery_date"]);
398 $order->Location = $row["loc_code"];
399 $order->reference = $row["reference"];
400 $order->grn_id = $grn_batch;
402 read_grn_items_to_order($grn_batch, $order);
406 //----------------------------------------------------------------------------------------------------------
408 // get the GRNs (batch info not details) for a given po number
410 function get_po_grns($po_number)
412 $sql = "SELECT * FROM ".TB_PREF."grn_batch WHERE purch_order_no=".db_escape($po_number);
414 return db_query($sql, "The grns for the po $po_number could not be retreived");
417 //----------------------------------------------------------------------------------------------------------
419 function exists_grn($grn_batch)
421 $sql = "SELECT id FROM ".TB_PREF."grn_batch WHERE id=".db_escape($grn_batch);
422 $result = db_query($sql, "Cannot retreive a grn");
424 return (db_num_rows($result) > 0);
427 //----------------------------------------------------------------------------------------------------------
429 function exists_grn_on_invoices($grn_batch)
431 $sql = "SELECT inv.id
432 FROM ".TB_PREF."supp_invoice_items inv,"
433 .TB_PREF."grn_items grn
434 WHERE inv.grn_item_id=grn.id
436 AND grn_batch_id=".db_escape($grn_batch);
437 $result = db_query($sql, "Cannot query GRNs");
439 return (db_num_rows($result) > 0);
442 //----------------------------------------------------------------------------------------------------------
444 function void_grn($grn_batch)
446 // if this grn is references on any invoices/credit notes, then it
448 if (exists_grn_on_invoices($grn_batch))
451 begin_transaction(__FUNCTION__, func_get_args());
452 hook_db_prevoid(ST_SUPPRECEIVE, $grn_batch);
454 void_bank_trans(ST_SUPPRECEIVE, $grn_batch, true);
455 void_gl_trans(ST_SUPPRECEIVE, $grn_batch, true);
457 // clear the quantities of the grn items in the POs and invoices
458 $result = get_grn_items($grn_batch);
460 if (db_num_rows($result) > 0)
463 while ($myrow = db_fetch($result))
466 $sql = "UPDATE ".TB_PREF."purch_order_details
467 SET quantity_received = quantity_received - " . $myrow["qty_recd"] . "
468 WHERE po_detail_item = " . $myrow["po_detail_item"];
470 db_query($sql, "a purchase order details record could not be voided.");
474 // clear the quantities in the grn items
475 $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=0, quantity_inv=0
476 WHERE grn_batch_id=".db_escape($grn_batch);
478 db_query($sql, "A grn detail item could not be voided.");
480 // clear the stock move items
481 void_stock_move(ST_SUPPRECEIVE, $grn_batch);
483 commit_transaction();
488 //----------------------------------------------------------------------------------------------------------