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 //Chaitanya : Compatibility with service items
69 $sql = "SELECT (material_cost + labour_cost + overhead_cost) AS std_cost
70 FROM ".TB_PREF."stock_master s WHERE stock_id=".db_escape($stock_id);
71 $result = db_query($sql, "The standard cost cannot be retrieved");
73 $myrow = db_fetch_row($result);
78 //--------------------------------------------------------------------------------------
80 function is_inventory_item($stock_id)
82 $sql = "SELECT stock_id FROM ".TB_PREF."stock_master
83 WHERE stock_id=".db_escape($stock_id)." AND mb_flag <> 'D'";
84 $result = db_query($sql, "Cannot query is inventory item or not");
86 return db_num_rows($result) > 0;
89 //-------------------------------------------------------------------
91 function last_negative_stock_begin_date($stock_id, $to)
96 $sql = "SET @flag = 0";
98 $sql = "SELECT SUM(qty), @q:= @q + qty, IF(@q < 0 AND @flag=0, @flag:=1,@flag:=0), IF(@q < 0 AND @flag=1, tran_date,'') AS begin_date
99 FROM ".TB_PREF."stock_moves
100 WHERE stock_id=".db_escape($stock_id)." AND tran_date<='$to'
102 GROUP BY stock_id ORDER BY tran_date";
104 $result = db_query($sql, "The dstock moves could not be retrieved");
105 $row = db_fetch_row($result);
109 //-------------------------------------------------------------------
112 function get_already_delivered($stock_id, $location, $trans_no)
114 $sql = "SELECT ".TB_PREF."stock_moves.qty
115 FROM ".TB_PREF."stock_moves
116 WHERE ".TB_PREF."stock_moves.stock_id = ".db_escape($stock_id)."
117 AND ".TB_PREF."stock_moves.loc_code = ".db_escape($location)."
118 AND type=".ST_CUSTDELIVERY." AND trans_no=".db_escape($trans_no);
119 $result = db_query($sql, "Could not get stock moves");
120 $row = db_fetch_row($result);
124 function last_negative_stock_trans_id($stock_id, $to)
126 $sql = "SELECT * from ".TB_PREF."stock_moves
127 WHERE stock_id=".db_escape($stock_id)."
128 AND qty <> 0 order by trans_id asc";
130 $result = db_query($sql, "The query on stock moves failed.");
134 $negative_trans_id = 1;
136 while ($myrow = db_fetch($result))
138 $qty += $myrow['qty'];
139 if ($qty < 0 && $flag == 0)
142 $negative_trans_id = $myrow['trans_id'];
148 return $negative_trans_id;
151 //-------------------------------------------------------------------
153 function get_deliveries_between($stock_id, $from, $to)
155 $from = date2sql($from);
157 $sql = "SELECT SUM(-qty), SUM(-qty*standard_cost) FROM ".TB_PREF."stock_moves
158 WHERE type=".ST_CUSTDELIVERY." AND stock_id=".db_escape($stock_id)." AND
159 tran_date>='$from' AND tran_date<='$to' GROUP BY stock_id";
161 $result = db_query($sql, "The deliveries could not be updated");
162 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 $sql = "SELECT SUM(-qty), SUM(-qty*standard_cost) FROM ".TB_PREF."stock_moves
170 WHERE stock_id=".db_escape($stock_id)." AND qty < 0 AND
171 trans_id>='$from' GROUP BY stock_id";
172 $result = db_query($sql, "The deliveries could not be updated");
173 $row = db_fetch_row($result);
175 display_notification('Row0 - '.$row[0].' Row1- '.$row[1]);
179 // Get Std cost of previsous transaction before the cut-over delivery
180 // This is useful to get inventory valuation
181 //Chaitanya : Corrected
182 /*$sql = "SELECT max( `trans_id` )
183 FROM ".TB_PREF."stock_moves
184 WHERE stock_id = ".db_escape($stock_id)."
185 AND trans_id<'$from'";
186 $result = db_query($sql, "The deliveries could not be updated");
187 $trans = db_fetch_row($result);
188 $prev_trans = $trans[0];*/
190 display_notification('From - '.$from);
191 $sql = "SELECT standard_cost FROM ".TB_PREF."stock_moves
192 WHERE stock_id=".db_escape($stock_id)
193 ." AND trans_id ='$from'";
194 $result = db_query($sql, "The deliveries could not be updated");
195 $cost = db_fetch_row($result);
197 display_notification('Last Delivery Cost - '.$cost[0]);
199 // Adjusting QOH valuation
200 $sql = "SELECT SUM(qty) FROM ".TB_PREF."stock_moves
201 WHERE stock_id=".db_escape($stock_id)." AND
202 trans_id<'$from' GROUP BY stock_id";
203 $result = db_query($sql, "The deliveries could not be updated");
204 $qoh = db_fetch_row($result);
206 display_notification('QOH before last delivery - '.$qoh[0]);
208 $qty = $row[0] - $qoh[0]; //Qoh is minus from delivered in -ve
209 $final_cost = $row[1] - $qoh[0]*$cost[0];
211 display_notification('Qty - '.$qty.' cost- '.$final_cost);
213 return array($qty,$final_cost);
217 function get_purchases_from_trans($stock_id, $from)
219 // Calculate All inward stock moves i.e. qty > 0
220 $sql = "SELECT SUM(qty), SUM(qty*standard_cost) FROM ".TB_PREF."stock_moves
221 WHERE stock_id=".db_escape($stock_id)." AND qty > 0 AND
222 trans_id>'$from' GROUP BY stock_id";
223 display_notification($sql);
224 $result = db_query($sql, "Could not get get_purchases_from_trans");
225 $row = db_fetch_row($result);
227 display_notification('Purchase Qty - '.$row[0].' Cost- '.$row[1]);
232 //-------------------------------------------------------------------
233 /* Original Code V0 Leave as is a while
234 function adjust_deliveries_v0($stock_id, $material_cost, $to)
236 if (!is_inventory_item($stock_id))
238 $from = last_negative_stock_begin_date($stock_id, $to);
239 if ($from == false || $from == "")
241 $from = sql2date($from);
242 $row = get_deliveries_between($stock_id, $from, $to);
246 $new_cost = $row[0] * $material_cost;
247 $diff = $new_cost - $old_cost;
250 $update_no = get_next_trans_no(ST_COSTUPDATE);
251 if (!is_date_in_fiscalyear($to))
252 $to = end_fiscalyear();
254 $stock_gl_code = get_stock_gl_code($stock_id);
256 $memo_ = sprintf(_("Cost was %s changed to %s for item '%s'"),
257 $old_cost, $new_cost, $stock_id);
258 add_gl_trans_std_cost(ST_COSTUPDATE, $update_no, $to, $stock_gl_code["cogs_account"],
259 $stock_gl_code["dimension_id"], $stock_gl_code["dimension2_id"], $memo_, $diff);
261 add_gl_trans_std_cost(ST_COSTUPDATE, $update_no, $to, $stock_gl_code["inventory_account"],
262 0, 0, $memo_, -$diff);
263 add_audit_trail(ST_COSTUPDATE, $update_no, $to);
267 //New written function
268 function adjust_deliveries($stock_id, $material_cost, $to)
270 if (!is_inventory_item($stock_id))
273 $from = last_negative_stock_trans_id($stock_id, $to);
274 if ($from == false || $from == "")
277 $row = get_deliveries_from_trans($stock_id, $from);
281 $old_sales_cost = $row[1];
282 $new_sales_cost = $row[0] * $material_cost;
283 $sales_diff = $new_sales_cost - $old_sales_cost;
285 display_notification(_("new_sales_cost").' - '.$row[0] .' * '. $material_cost);
286 display_notification(_("new_sales_cost").' - '.$new_sales_cost.' old_sales_cost- '.$old_sales_cost);
287 display_notification(_("Sales Diff").' - '.$sales_diff);
289 $row = get_purchases_from_trans($stock_id, $from);
291 $old_purchase_cost = 0;
294 $old_purchase_cost = $row[1];
295 $new_purchase_cost = $row[0] * $material_cost;
296 $purchase_diff = $new_purchase_cost - $old_purchase_cost;
299 display_notification(_("new_purchase_cost").' - '.$new_purchase_cost.' old_purchase_cost- '.$old_purchase_cost);
300 display_notification(_("purchase_diff").' - '.$purchase_diff);
302 $diff = $sales_diff - $purchase_diff;
304 display_notification(_("Final diff").' - '.$diff);
308 $update_no = get_next_trans_no(ST_COSTUPDATE);
309 if (!is_date_in_fiscalyear($to))
310 $to = end_fiscalyear();
312 $stock_gl_code = get_stock_gl_code($stock_id);
314 $dec = user_price_dec();
315 $old_cost = -round2($old_sales_cost-$old_purchase_cost,$dec);
316 $new_cost = -round2($new_sales_cost-$new_purchase_cost,$dec);
318 $memo_ = _("Cost was ") . $old_cost. _(" changed to ") . $new_cost . _(" for item ")."'$stock_id'";
319 add_gl_trans_std_cost(ST_COSTUPDATE, $update_no, $to, $stock_gl_code["cogs_account"],
320 $stock_gl_code["dimension_id"], $stock_gl_code["dimension2_id"], $memo_, $diff);
322 add_gl_trans_std_cost(ST_COSTUPDATE, $update_no, $to, $stock_gl_code["inventory_account"], 0, 0, $memo_,
324 add_audit_trail(ST_COSTUPDATE, $update_no, $to);
328 function get_stock_gl_code($stock_id)
330 /*Gets the GL Codes relevant to the item account */
331 //Chaitanya : Updated to also provide mb_flag
332 $sql = "SELECT mb_flag, inventory_account, cogs_account,
333 adjustment_account, sales_account, assembly_account, dimension_id, dimension2_id FROM
334 ".TB_PREF."stock_master WHERE stock_id = ".db_escape($stock_id);
336 $get = db_query($sql,"retreive stock gl code");
337 return db_fetch($get);
340 //-----------------------------------------------------------------------------------------
341 //Chaitanya : New Function handle negative stock effect
342 //Called in add_stock_move
343 function handle_negative_inventory($stock_id, $quantity, $standard_cost, $date_)
345 //Chaitanya : If negative adjustment result in negative or zero inventory
346 //then difference should be adjusted
347 $qoh = get_qoh_on_date($stock_id);
348 display_notification($qoh." : ".$quantity);
349 if ($qoh + $quantity <= 0 && $qoh > 0) //Positive inventory turning zero/negative
353 $id = get_next_trans_no(ST_JOURNAL);
354 $ref = $Refs->get_next(ST_JOURNAL);
355 $diff = get_standard_cost($stock_id) - $standard_cost;
359 $stock_gl_code = get_stock_gl_code($stock_id);
360 $memo = _("Zero/negative inventory handling");
361 //Reverse the inventory effect if $qoh <=0
362 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_,
363 $stock_gl_code["inventory_account"],
364 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'], $memo,
366 //GL Posting to inventory adjustment account
367 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_,
368 $stock_gl_code["adjustment_account"],
369 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'], $memo,
372 add_audit_trail(ST_JOURNAL, $id, $date_);
373 add_comments(ST_JOURNAL, $id, $date_, $memo);
374 $Refs->save(ST_JOURNAL, $id, $ref);
379 //--------------------------------------------------------------------------------------
381 // $date_ - display / non-sql date
382 // $std_cost - in HOME currency
383 // $show_or_hide - wil this move be visible in reports, etc
384 // $price - in $person_id's currency
386 function add_stock_move($type, $stock_id, $trans_no, $location,
387 $date_, $reference, $quantity, $std_cost, $person_id=0, $show_or_hide=1,
388 $price=0, $discount_percent=0, $error_msg="")
390 // Chaitanya : Removed following restriction considering WO issues
391 // Voiding issues and productions with Service items can not get the
392 // Service items compatibility
393 // do not add a stock move if it's a non-inventory item
394 //if (!is_inventory_item($stock_id))
397 $date = date2sql($date_);
399 $sql = "INSERT INTO ".TB_PREF."stock_moves (stock_id, trans_no, type, loc_code,
400 tran_date, person_id, reference, qty, standard_cost, visible, price,
401 discount_percent) VALUES (".db_escape($stock_id)
402 .", ".db_escape($trans_no).", ".db_escape($type)
403 .", ".db_escape($location).", '$date', "
404 .db_escape($person_id).", ".db_escape($reference).", "
405 .db_escape($quantity).", ".db_escape($std_cost).","
406 .db_escape($show_or_hide).", "
407 .db_escape($price).", ".db_escape($discount_percent).")";
409 if ($error_msg == "")
410 $error_msg = "The stock movement record cannot be inserted";
412 db_query($sql, $error_msg);
414 return db_insert_id();
417 //Chaitanya : Added function
418 function update_stock_move($type, $trans_no, $stock_id, $cost)
420 $sql = "UPDATE ".TB_PREF."stock_moves SET standard_cost=".db_escape($cost)
421 ." WHERE type=".db_escape($type)
422 ." AND trans_no=".db_escape($trans_no)
423 ." AND stock_id=".db_escape($stock_id);
424 db_query($sql, "The stock movement standard_cost cannot be updated");
427 function update_stock_move_pid($type, $type_no, $stock_id, $pid, $cost)
429 $sql = "UPDATE ".TB_PREF."stock_moves SET standard_cost=".db_escape($cost)
430 ." WHERE type=".db_escape($type)
431 ." AND trans_no=".db_escape($type_no)
432 ." AND stock_id=".db_escape($stock_id)
433 ." AND person_id = ".db_escape($pid);
434 db_query($sql, "The stock movement standard_cost cannot be updated");
437 //--------------------------------------------------------------------------------------------------
439 function get_stock_moves($type, $type_no, $visible=false)
441 $sql = "SELECT ".TB_PREF."stock_moves.*, ".TB_PREF."stock_master.description, "
442 .TB_PREF."stock_master.units,".TB_PREF."locations.location_name,"
443 .TB_PREF."stock_master.material_cost + "
444 .TB_PREF."stock_master.labour_cost + "
445 .TB_PREF."stock_master.overhead_cost AS FixedStandardCost
446 FROM ".TB_PREF."stock_moves,".TB_PREF."locations,".TB_PREF."stock_master
447 WHERE ".TB_PREF."stock_moves.stock_id = ".TB_PREF."stock_master.stock_id
448 AND ".TB_PREF."locations.loc_code=".TB_PREF."stock_moves.loc_code
449 AND type=".db_escape($type)." AND trans_no=".db_escape($type_no)." ORDER BY trans_id";
451 $sql .= " AND ".TB_PREF."stock_moves.visible=1";
453 return db_query($sql, "Could not get stock moves");
456 //--------------------------------------------------------------------------------------------------
458 function void_stock_move($type, $type_no)
460 //Chaitanya : Reversing stock move rather than voiding as it is hazardous to lose stock movement trail with respect to costing
461 /*$sql = "UPDATE ".TB_PREF."stock_moves SET qty=0, price=0, discount_percent=0,
462 standard_cost=0 WHERE type=".db_escape($type)." AND trans_no=".db_escape($type_no);
464 db_query($sql, "Could not void stock moves"); */
466 $sql = "SELECT * from ".TB_PREF."stock_moves WHERE type=".db_escape($type)." AND trans_no=".db_escape($type_no);
467 $result = db_query($sql, "Could not void stock moves");
468 while ($row = db_fetch($result))
470 //Skip cost averaging of service items
471 if (is_inventory_item($row["stock_id"]))
473 // The cost has to be adjusted.
474 //Chaitanya : Transaction rates are stored either as price or standard_cost depending
476 $types = array(ST_SUPPCREDIT);
477 if (in_array($type,$types))
478 $trans_rate = $row["price"];
480 $trans_rate = $row["standard_cost"];
482 update_average_material_cost(0, $row["stock_id"],
483 $trans_rate, -$row["qty"], sql2date($row["tran_date"]));
486 //Post stock move for service items also
487 add_stock_move($type, $row["stock_id"], $type_no, $row["loc_code"],
488 sql2date($row["tran_date"]), $row["reference"], -$row["qty"]
489 , $row["standard_cost"], $row["person_id"], $row["visible"],
490 $row["price"], $row["discount_percent"]);
494 //--------------------------------------------------------------------------------------------------
496 function get_location_name($loc_code)
498 $sql = "SELECT location_name FROM ".TB_PREF."locations WHERE loc_code="
499 .db_escape($loc_code);
501 $result = db_query($sql, "could not retreive the location name for $loc_code");
503 if (db_num_rows($result) == 1)
505 $row = db_fetch_row($result);
509 display_db_error("could not retreive the location name for $loc_code", $sql, true);
512 //--------------------------------------------------------------------------------------------------