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 function get_qoh_on_date($stock_id, $location=null, $date_=null, $exclude=0)
16 $sql = "SELECT SUM(qty) FROM ".TB_PREF."stock_moves
17 WHERE stock_id=".db_escape($stock_id);
19 $date = date2sql($date_);
23 $date = date2sql($date_);
24 $sql = "SELECT SUM(qty) FROM ".TB_PREF."stock_moves
25 WHERE stock_id=".db_escape($stock_id)."
26 AND tran_date <= '$date'";
29 if ($location != null)
30 $sql .= " AND loc_code = ".db_escape($location);
32 $result = db_query($sql, "QOH calulcation failed");
34 $myrow = db_fetch_row($result);
37 $sql = "SELECT SUM(qty) FROM ".TB_PREF."stock_moves
38 WHERE stock_id=".db_escape($stock_id)
39 ." AND type=".db_escape($exclude)
40 ." AND tran_date = '$date'";
42 $result = db_query($sql, "QOH calulcation failed");
43 $myrow2 = db_fetch_row($result);
44 if ($myrow2 !== false)
45 $myrow[0] -= $myrow2[0];
51 //--------------------------------------------------------------------------------------
53 function get_item_edit_info($stock_id)
55 $sql = "SELECT material_cost + labour_cost + overhead_cost AS standard_cost, units, decimals
56 FROM ".TB_PREF."stock_master,".TB_PREF."item_units
57 WHERE stock_id=".db_escape($stock_id)
58 ." AND ".TB_PREF."stock_master.units=".TB_PREF."item_units.abbr";
59 $result = db_query($sql, "The standard cost cannot be retrieved");
61 return db_fetch($result);
64 //--------------------------------------------------------------------------------------
66 function get_standard_cost($stock_id)
68 $sql = "SELECT (material_cost + labour_cost + overhead_cost) AS std_cost
69 FROM ".TB_PREF."stock_master s WHERE stock_id=".db_escape($stock_id);
70 $result = db_query($sql, "The standard cost cannot be retrieved");
72 $myrow = db_fetch_row($result);
77 //--------------------------------------------------------------------------------------
79 function is_inventory_item($stock_id)
81 $sql = "SELECT stock_id FROM ".TB_PREF."stock_master
82 WHERE stock_id=".db_escape($stock_id)." AND mb_flag <> 'D'";
83 $result = db_query($sql, "Cannot query is inventory item or not");
85 return db_num_rows($result) > 0;
88 //-------------------------------------------------------------------
90 function last_negative_stock_begin_date($stock_id, $to)
95 $sql = "SET @flag = 0";
97 $sql = "SELECT SUM(qty), @q:= @q + qty, IF(@q < 0 AND @flag=0, @flag:=1,@flag:=0), IF(@q < 0 AND @flag=1, tran_date,'') AS begin_date
98 FROM ".TB_PREF."stock_moves
99 WHERE stock_id=".db_escape($stock_id)." AND tran_date<='$to'
101 GROUP BY stock_id ORDER BY tran_date";
103 $result = db_query($sql, "The dstock moves could not be retrieved");
104 $row = db_fetch_row($result);
108 //-------------------------------------------------------------------
110 function get_already_delivered($stock_id, $location, $trans_no)
112 $sql = "SELECT ".TB_PREF."stock_moves.qty
113 FROM ".TB_PREF."stock_moves
114 WHERE ".TB_PREF."stock_moves.stock_id = ".db_escape($stock_id)."
115 AND ".TB_PREF."stock_moves.loc_code = ".db_escape($location)."
116 AND type=".ST_CUSTDELIVERY." AND trans_no=".db_escape($trans_no);
117 $result = db_query($sql, "Could not get stock moves");
118 $row = db_fetch_row($result);
122 function last_negative_stock_trans_id($stock_id, $to)
124 $sql = "SELECT * from ".TB_PREF."stock_moves
125 WHERE stock_id=".db_escape($stock_id)."
126 AND qty <> 0 order by trans_id asc";
128 $result = db_query($sql, "The query on stock moves failed.");
132 $negative_trans_id = -1;
134 while ($myrow = db_fetch($result))
136 $qty += $myrow['qty'];
137 if ($qty < 0 && $flag == 0)
140 $negative_trans_id = $myrow['trans_id'];
147 return $negative_trans_id;
152 //-------------------------------------------------------------------
154 function get_deliveries_between($stock_id, $from, $to)
156 $from = date2sql($from);
158 $sql = "SELECT SUM(-qty), SUM(-qty*standard_cost) FROM ".TB_PREF."stock_moves
159 WHERE type=".ST_CUSTDELIVERY." AND stock_id=".db_escape($stock_id)." AND
160 tran_date>='$from' AND tran_date<='$to' GROUP BY stock_id";
162 $result = db_query($sql, "The deliveries could not be updated");
163 return db_fetch_row($result);
166 function get_deliveries_from_trans($stock_id, $from)
168 // -ve qty is delivery either by ST_CUSTDELIVERY or inventory adjustment
169 //Price for GRN and SUPPCREDIT and std_cost for other trans_types
170 $sql = "SELECT SUM(-qty), SUM(-qty*IF(type=".ST_SUPPRECEIVE." OR type=".ST_SUPPCREDIT.", price, standard_cost))
171 FROM ".TB_PREF."stock_moves
172 WHERE stock_id=".db_escape($stock_id)." AND qty < 0 AND
173 trans_id>='$from' GROUP BY stock_id";
174 $result = db_query($sql, "The deliveries could not be updated");
175 $row = db_fetch_row($result);
177 $sql = "SELECT IF(type=".ST_SUPPRECEIVE." OR type=".ST_SUPPCREDIT.", price, standard_cost)
178 FROM ".TB_PREF."stock_moves
179 WHERE stock_id=".db_escape($stock_id)
180 ." AND trans_id ='$from'";
181 $result = db_query($sql, "The deliveries could not be updated");
182 $cost = db_fetch_row($result);
184 // Adjusting QOH valuation
185 $sql = "SELECT SUM(qty) FROM ".TB_PREF."stock_moves
186 WHERE stock_id=".db_escape($stock_id)." AND
187 trans_id<'$from' GROUP BY stock_id";
188 $result = db_query($sql, "The deliveries could not be updated");
189 $qoh = db_fetch_row($result);
191 $qty = $row[0] - $qoh[0]; //QOH prior to -ve stock is subtracted
192 $final_cost = $row[1] - $qoh[0]*$cost[0];
194 return array($qty,$final_cost);
197 function get_purchases_from_trans($stock_id, $from)
199 // Calculate All inward stock moves i.e. qty > 0
200 $sql = "SELECT SUM(qty), SUM(qty*standard_cost) FROM ".TB_PREF."stock_moves
201 WHERE stock_id=".db_escape($stock_id)." AND qty > 0 AND
202 trans_id>'$from' GROUP BY stock_id";
203 $result = db_query($sql, "Could not get get_purchases_from_trans");
204 $row = db_fetch_row($result);
209 //-------------------------------------------------------------------
211 function adjust_deliveries($stock_id, $material_cost, $to)
213 if (!is_inventory_item($stock_id))
216 $from = last_negative_stock_trans_id($stock_id, $to);
217 if ($from == false || $from == -1)
220 $row = get_deliveries_from_trans($stock_id, $from);
224 $old_sales_cost = $row[1];
225 $new_sales_cost = $row[0] * $material_cost;
226 $sales_diff = $new_sales_cost - $old_sales_cost;
228 $row = get_purchases_from_trans($stock_id, $from);
230 $old_purchase_cost = 0;
233 $old_purchase_cost = $row[1];
234 $new_purchase_cost = $row[0] * $material_cost;
235 $purchase_diff = $new_purchase_cost - $old_purchase_cost;
238 $diff = $sales_diff - $purchase_diff;
242 $update_no = get_next_trans_no(ST_COSTUPDATE);
243 if (!is_date_in_fiscalyear($to))
244 $to = end_fiscalyear();
246 $stock_gl_code = get_stock_gl_code($stock_id);
248 $dec = user_price_dec();
249 $old_cost = -round2($old_sales_cost-$old_purchase_cost,$dec);
250 $new_cost = -round2($new_sales_cost-$new_purchase_cost,$dec);
252 $memo_ = sprintf(_("Cost was %s changed to %s x quantity on hand for item '%s'"),
253 number_format2($old_cost, 2), number_format2($new_cost, 2), $stock_id);
254 add_gl_trans_std_cost(ST_COSTUPDATE, $update_no, $to, $stock_gl_code["cogs_account"],
255 $stock_gl_code["dimension_id"], $stock_gl_code["dimension2_id"], $memo_, $diff);
257 add_gl_trans_std_cost(ST_COSTUPDATE, $update_no, $to, $stock_gl_code["inventory_account"], 0, 0, $memo_,
259 add_audit_trail(ST_COSTUPDATE, $update_no, $to);
263 function get_stock_gl_code($stock_id)
265 /*Gets the GL Codes relevant to the item account */
266 $sql = "SELECT mb_flag, inventory_account, cogs_account,
267 adjustment_account, sales_account, assembly_account, dimension_id, dimension2_id FROM
268 ".TB_PREF."stock_master WHERE stock_id = ".db_escape($stock_id);
270 $get = db_query($sql,"retreive stock gl code");
271 return db_fetch($get);
274 //-----------------------------------------------------------------------------------------
276 function handle_negative_inventory($stock_id, $quantity, $standard_cost, $date_)
278 //If negative adjustment result in negative or zero inventory
279 //then difference should be adjusted
280 $qoh = get_qoh_on_date($stock_id);
282 if ($qoh + $quantity <= 0 && $qoh > 0) //Positive inventory turning zero/negative
286 $id = get_next_trans_no(ST_JOURNAL);
287 $ref = $Refs->get_next(ST_JOURNAL);
288 $diff = get_standard_cost($stock_id) - $standard_cost;
292 $stock_gl_code = get_stock_gl_code($stock_id);
293 $memo = _("Zero/negative inventory handling");
294 //Reverse the inventory effect if $qoh <=0
295 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_,
296 $stock_gl_code["inventory_account"],
297 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'], $memo,
299 //GL Posting to inventory adjustment account
300 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_,
301 $stock_gl_code["adjustment_account"],
302 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'], $memo,
305 add_audit_trail(ST_JOURNAL, $id, $date_);
306 add_comments(ST_JOURNAL, $id, $date_, $memo);
307 $Refs->save(ST_JOURNAL, $id, $ref);
312 //--------------------------------------------------------------------------------------
314 // $date_ - display / non-sql date
315 // $std_cost - in HOME currency
316 // $show_or_hide - wil this move be visible in reports, etc
317 // $price - in $person_id's currency
319 function add_stock_move($type, $stock_id, $trans_no, $location,
320 $date_, $reference, $quantity, $std_cost, $person_id=0, $show_or_hide=1,
321 $price=0, $discount_percent=0, $error_msg="")
323 $date = date2sql($date_);
325 $sql = "INSERT INTO ".TB_PREF."stock_moves (stock_id, trans_no, type, loc_code,
326 tran_date, person_id, reference, qty, standard_cost, visible, price,
327 discount_percent) VALUES (".db_escape($stock_id)
328 .", ".db_escape($trans_no).", ".db_escape($type)
329 .", ".db_escape($location).", '$date', "
330 .db_escape($person_id).", ".db_escape($reference).", "
331 .db_escape($quantity).", ".db_escape($std_cost).","
332 .db_escape($show_or_hide).", "
333 .db_escape($price).", ".db_escape($discount_percent).")";
335 if ($error_msg == "")
336 $error_msg = "The stock movement record cannot be inserted";
338 db_query($sql, $error_msg);
340 return db_insert_id();
343 function update_stock_move($type, $trans_no, $stock_id, $cost)
345 $sql = "UPDATE ".TB_PREF."stock_moves SET standard_cost=".db_escape($cost)
346 ." WHERE type=".db_escape($type)
347 ." AND trans_no=".db_escape($trans_no)
348 ." AND stock_id=".db_escape($stock_id);
349 db_query($sql, "The stock movement standard_cost cannot be updated");
352 function update_stock_move_pid($type, $type_no, $stock_id, $pid, $cost)
354 $sql = "UPDATE ".TB_PREF."stock_moves SET standard_cost=".db_escape($cost)
355 ." WHERE type=".db_escape($type)
356 ." AND trans_no=".db_escape($type_no)
357 ." AND stock_id=".db_escape($stock_id)
358 ." AND person_id = ".db_escape($pid);
359 db_query($sql, "The stock movement standard_cost cannot be updated");
362 //--------------------------------------------------------------------------------------------------
364 function get_stock_moves($type, $type_no, $visible=false)
366 $sql = "SELECT ".TB_PREF."stock_moves.*, ".TB_PREF."stock_master.description, "
367 .TB_PREF."stock_master.units,".TB_PREF."locations.location_name,"
368 .TB_PREF."stock_master.material_cost + "
369 .TB_PREF."stock_master.labour_cost + "
370 .TB_PREF."stock_master.overhead_cost AS FixedStandardCost
371 FROM ".TB_PREF."stock_moves,".TB_PREF."locations,".TB_PREF."stock_master
372 WHERE ".TB_PREF."stock_moves.stock_id = ".TB_PREF."stock_master.stock_id
373 AND ".TB_PREF."locations.loc_code=".TB_PREF."stock_moves.loc_code
374 AND type=".db_escape($type)." AND trans_no=".db_escape($type_no)." ORDER BY trans_id";
376 $sql .= " AND ".TB_PREF."stock_moves.visible=1";
378 return db_query($sql, "Could not get stock moves");
381 //--------------------------------------------------------------------------------------------------
383 function void_stock_move($type, $type_no)
385 $sql = "SELECT * from ".TB_PREF."stock_moves WHERE type=".db_escape($type)." AND trans_no=".db_escape($type_no);
386 $result = db_query($sql, "Could not void stock moves");
387 while ($row = db_fetch($result))
389 //Skip cost averaging of service items
390 if (is_inventory_item($row["stock_id"]))
392 // The cost has to be adjusted.
393 // Transaction rates are stored either as price or standard_cost depending on types
394 $types = array(ST_SUPPCREDIT, ST_SUPPRECEIVE);
395 if (in_array($type,$types))
396 $trans_rate = $row["price"];
398 $trans_rate = $row["standard_cost"];
400 update_average_material_cost(0, $row["stock_id"],
401 $trans_rate, -$row["qty"], sql2date($row["tran_date"]));
405 $sql = "DELETE FROM ".TB_PREF."stock_moves WHERE type=".db_escape($type)
406 ." AND trans_no=".db_escape($type_no);
407 db_query($sql, "The stock movement cannot be delated");
410 //--------------------------------------------------------------------------------------------------
412 function get_location_name($loc_code)
414 $sql = "SELECT location_name FROM ".TB_PREF."locations WHERE loc_code="
415 .db_escape($loc_code);
417 $result = db_query($sql, "could not retreive the location name for $loc_code");
419 if (db_num_rows($result) == 1)
421 $row = db_fetch_row($result);
425 display_db_error("could not retreive the location name for $loc_code", $sql, true);
428 //--------------------------------------------------------------------------------------------------