X-Git-Url: https://delta.frontaccounting.com/gitweb/?a=blobdiff_plain;f=includes%2Fdb%2Finventory_db.inc;h=225499d4bfc3d0371590abffc4ad136b35278ce5;hb=a721b65478fd2a264b470e1265e69cf829031e7a;hp=9adb1621886dc4f0341ece63b9ffb1a6ff8741cf;hpb=5c59e32490415c851ae6eee91f140bcc98884e4b;p=fa-stable.git diff --git a/includes/db/inventory_db.inc b/includes/db/inventory_db.inc index 9adb1621..225499d4 100644 --- a/includes/db/inventory_db.inc +++ b/includes/db/inventory_db.inc @@ -9,37 +9,75 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the License here . ***********************************************************************/ -function get_qoh_on_date($stock_id, $location=null, $date_=null, $exclude=0) +function get_qoh_on_date($stock_id, $location=null, $date_=null) { - if ($date_ == null) - $date_ = Today(); + if ($date_ == null) + $date_ = Today(); - $date = date2sql($date_); + $date = date2sql($date_); - $sql = "SELECT SUM(qty) FROM ".TB_PREF."stock_moves - WHERE stock_id=".db_escape($stock_id)." - AND tran_date <= '$date'"; + $sql = "SELECT SUM(qty) FROM ".TB_PREF."stock_moves + WHERE stock_id=".db_escape($stock_id)." + AND tran_date <= '$date'"; - if ($location != null) - $sql .= " AND loc_code = ".db_escape($location); + if ($location != null) + $sql .= " AND loc_code = ".db_escape($location); - $result = db_query($sql, "QOH calulcation failed"); + $result = db_query($sql, "QOH calculation failed"); - $myrow = db_fetch_row($result); - if ($exclude > 0) - { - $sql = "SELECT SUM(qty) FROM ".TB_PREF."stock_moves - WHERE stock_id=".db_escape($stock_id) - ." AND type=".db_escape($exclude) - ." AND tran_date = '$date'"; - - $result = db_query($sql, "QOH calulcation failed"); - $myrow2 = db_fetch_row($result); - if ($myrow2 !== false) - $myrow[0] -= $myrow2[0]; - } + $myrow = db_fetch_row($result); - return $myrow[0]; + $qoh = $myrow[0]; + return $qoh ? $qoh : 0; +} + +/** +* Check whether change in stock on date would not cause negative qoh in stock history. +* Returns null on success or max. available quantity with respective date otherwise. +* Running balance is checked on daily basis only, as we do not control time of transaction. +* +* $delta_qty - tested change in stock qty at $date. +* $date - check date; when set to null checks all the stock history. +**/ + +function check_negative_stock($stock_id, $delta_qty, $location=null, $date=null) +{ + + if ($delta_qty >= 0) + return null; // qty increese is always safe + + if (!isset($date)) + $date = Today(); + + $date = date2sql($date); + + // check stock status on date + $sql = "SELECT SUM(qty) qty, '$date' tran_date FROM ".TB_PREF."stock_moves + WHERE stock_id=".db_escape($stock_id)." + AND tran_date <= '$date'"; + + if ($location) + $sql .= " AND loc_code = ".db_escape($location); + + $result = db_query($sql, "QOH calculation failed"); + $qos = db_fetch_assoc($result); + + // check also all stock changes after the date to avoid negative stock in future + $sql = TB_PREF."stock_moves WHERE stock_id=".db_escape($stock_id) . " AND tran_date > '$date'"; + + if ($location) + $sql .= " AND loc_code=".db_escape($location); + + $rt = running_total_sql($sql, 'qty', 'tran_date'); + + $sql = "SELECT {$qos['qty']}+total qty, tran_date FROM ($rt) stock_status ORDER by total, tran_date"; + $history = db_query($sql, 'cannot check stock history'); + $min_qos = db_fetch($history); + + if ($min_qos && ($min_qos['qty'] < $qos['qty'])) + $qos = $min_qos; + + return -$delta_qty > $qos['qty'] ? $qos : null; } //-------------------------------------------------------------------------------------- @@ -59,7 +97,7 @@ function get_item_edit_info($stock_id) function get_standard_cost($stock_id) { - $sql = "SELECT IF(s.mb_flag='D', 0, material_cost + labour_cost + overhead_cost) AS std_cost + $sql = "SELECT (material_cost + labour_cost + overhead_cost) AS std_cost FROM ".TB_PREF."stock_master s WHERE stock_id=".db_escape($stock_id); $result = db_query($sql, "The standard cost cannot be retrieved"); @@ -81,11 +119,183 @@ function is_inventory_item($stock_id) //------------------------------------------------------------------- -Function get_stock_gl_code($stock_id) +function last_negative_stock_begin_date($stock_id, $to) { - /*Gets the GL Codes relevant to the item account */ + $to = date2sql($to); + $sql ="SET @q = 0"; + db_query($sql); + $sql = "SET @flag = 0"; + db_query($sql); + $sql = "SELECT SUM(qty), @q:= @q + qty, IF(@q < 0 AND @flag=0, @flag:=1,@flag:=0), IF(@q < 0 AND @flag=1, tran_date,'') AS begin_date + FROM ".TB_PREF."stock_moves + WHERE stock_id=".db_escape($stock_id)." AND tran_date<='$to' + AND qty <> 0 + GROUP BY stock_id ORDER BY tran_date"; + + $result = db_query($sql, "The dstock moves could not be retrieved"); + $row = db_fetch_row($result); + return $row[3]; +} + +//------------------------------------------------------------------- + +function get_already_delivered($stock_id, $location, $trans_no) +{ + $sql = "SELECT ".TB_PREF."stock_moves.qty + FROM ".TB_PREF."stock_moves + WHERE ".TB_PREF."stock_moves.stock_id = ".db_escape($stock_id)." + AND ".TB_PREF."stock_moves.loc_code = ".db_escape($location)." + AND type=".ST_CUSTDELIVERY." AND trans_no=".db_escape($trans_no); + $result = db_query($sql, "Could not get stock moves"); + $row = db_fetch_row($result); + return $row[0]; +} - $sql = "SELECT inventory_account, cogs_account, +function last_negative_stock_trans_id($stock_id, $to) +{ + $sql = "SELECT * from ".TB_PREF."stock_moves + WHERE stock_id=".db_escape($stock_id)." + AND qty <> 0 order by trans_id asc"; + + $result = db_query($sql, "The query on stock moves failed."); + + $qty = 0; + $flag = 0; + $negative_trans_id = -1; + + while ($myrow = db_fetch($result)) + { + $qty += $myrow['qty']; + if ($qty < 0 && $flag == 0) + { + $flag = 1; + $negative_trans_id = $myrow['trans_id']; + } + if ($qty >= 0) + $flag = 0; + } + + if ($flag == 1) + return $negative_trans_id; + else + return false; +} + +//------------------------------------------------------------------- + +function get_deliveries_between($stock_id, $from, $to) +{ + $from = date2sql($from); + $to = date2sql($to); + $sql = "SELECT SUM(-qty), SUM(-qty*standard_cost) FROM ".TB_PREF."stock_moves + WHERE type=".ST_CUSTDELIVERY." AND stock_id=".db_escape($stock_id)." AND + tran_date>='$from' AND tran_date<='$to' GROUP BY stock_id"; + + $result = db_query($sql, "The deliveries could not be updated"); + return db_fetch_row($result); +} + +function get_deliveries_from_trans($stock_id, $from) +{ + // -ve qty is delivery either by ST_CUSTDELIVERY or inventory adjustment + //Price for GRN and SUPPCREDIT and std_cost for other trans_types + $sql = "SELECT SUM(-qty), SUM(-qty*IF(type=".ST_SUPPRECEIVE." OR type=".ST_SUPPCREDIT.", price, standard_cost)) + FROM ".TB_PREF."stock_moves + WHERE stock_id=".db_escape($stock_id)." AND qty < 0 AND + trans_id>='$from' GROUP BY stock_id"; + $result = db_query($sql, "The deliveries could not be updated"); + $row = db_fetch_row($result); + + $sql = "SELECT IF(type=".ST_SUPPRECEIVE." OR type=".ST_SUPPCREDIT.", price, standard_cost) + FROM ".TB_PREF."stock_moves + WHERE stock_id=".db_escape($stock_id) + ." AND trans_id ='$from'"; + $result = db_query($sql, "The deliveries could not be updated"); + $cost = db_fetch_row($result); + + // Adjusting QOH valuation + $sql = "SELECT SUM(qty) FROM ".TB_PREF."stock_moves + WHERE stock_id=".db_escape($stock_id)." AND + trans_id<'$from' GROUP BY stock_id"; + $result = db_query($sql, "The deliveries could not be updated"); + $qoh = db_fetch_row($result); + + $qty = $row[0] - $qoh[0]; //QOH prior to -ve stock is subtracted + $final_cost = $row[1] - $qoh[0]*$cost[0]; + + return array($qty,$final_cost); +} + +function get_purchases_from_trans($stock_id, $from) +{ + // Calculate All inward stock moves i.e. qty > 0 + $sql = "SELECT SUM(qty), SUM(qty*standard_cost) FROM ".TB_PREF."stock_moves + WHERE stock_id=".db_escape($stock_id)." AND qty > 0 AND + trans_id>'$from' GROUP BY stock_id"; + $result = db_query($sql, "Could not get get_purchases_from_trans"); + $row = db_fetch_row($result); + + return $row; +} + +//------------------------------------------------------------------- + +function adjust_deliveries($stock_id, $material_cost, $to) +{ + if (!is_inventory_item($stock_id)) + return; + + $from = last_negative_stock_trans_id($stock_id, $to); + if ($from == false || $from == -1) + return; + + $row = get_deliveries_from_trans($stock_id, $from); + + if ($row == false) + return; + $old_sales_cost = $row[1]; + $new_sales_cost = $row[0] * $material_cost; + $sales_diff = $new_sales_cost - $old_sales_cost; + + $row = get_purchases_from_trans($stock_id, $from); + $purchase_diff = 0; + $old_purchase_cost = 0; + if ($row != false) + { + $old_purchase_cost = $row[1]; + $new_purchase_cost = $row[0] * $material_cost; + $purchase_diff = $new_purchase_cost - $old_purchase_cost; + } + + $diff = $sales_diff - $purchase_diff; + + if ($diff != 0) + { + $update_no = get_next_trans_no(ST_COSTUPDATE); + if (!is_date_in_fiscalyear($to)) + $to = end_fiscalyear(); + + $stock_gl_code = get_stock_gl_code($stock_id); + + $dec = user_price_dec(); + $old_cost = -round2($old_sales_cost-$old_purchase_cost,$dec); + $new_cost = -round2($new_sales_cost-$new_purchase_cost,$dec); + + $memo_ = sprintf(_("Cost was %s changed to %s x quantity on hand for item '%s'"), + number_format2($old_cost, 2), number_format2($new_cost, 2), $stock_id); + add_gl_trans_std_cost(ST_COSTUPDATE, $update_no, $to, $stock_gl_code["cogs_account"], + $stock_gl_code["dimension_id"], $stock_gl_code["dimension2_id"], $memo_, $diff); + + add_gl_trans_std_cost(ST_COSTUPDATE, $update_no, $to, $stock_gl_code["inventory_account"], 0, 0, $memo_, + -$diff); + add_audit_trail(ST_COSTUPDATE, $update_no, $to); + } +} + +function get_stock_gl_code($stock_id) +{ + /*Gets the GL Codes relevant to the item account */ + $sql = "SELECT mb_flag, inventory_account, cogs_account, adjustment_account, sales_account, assembly_account, dimension_id, dimension2_id FROM ".TB_PREF."stock_master WHERE stock_id = ".db_escape($stock_id); @@ -93,6 +303,44 @@ Function get_stock_gl_code($stock_id) return db_fetch($get); } +//----------------------------------------------------------------------------------------- + +function handle_negative_inventory($stock_id, $quantity, $standard_cost, $date_) +{ + //If negative adjustment result in negative or zero inventory + //then difference should be adjusted + $qoh = get_qoh_on_date($stock_id); + + if ($qoh + $quantity <= 0 && $qoh > 0) //Positive inventory turning zero/negative + { + global $Refs; + + $id = get_next_trans_no(ST_JOURNAL); + $ref = $Refs->get_next(ST_JOURNAL); + $diff = round($qoh*get_standard_cost($stock_id) + $quantity*$standard_cost, user_price_dec()); + + if ($diff != 0) + { + $stock_gl_code = get_stock_gl_code($stock_id); + $memo = _("Zero/negative inventory handling"); + //Reverse the inventory effect if $qoh <=0 + add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, + $stock_gl_code["inventory_account"], + $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'], $memo, + -$diff); + //GL Posting to inventory adjustment account + add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, + $stock_gl_code["adjustment_account"], + $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'], $memo, + $diff); + + add_audit_trail(ST_JOURNAL, $id, $date_); + add_comments(ST_JOURNAL, $id, $date_, $memo); + $Refs->save(ST_JOURNAL, $id, $ref); + } + } +} + //-------------------------------------------------------------------------------------- // $date_ - display / non-sql date @@ -104,10 +352,6 @@ function add_stock_move($type, $stock_id, $trans_no, $location, $date_, $reference, $quantity, $std_cost, $person_id=0, $show_or_hide=1, $price=0, $discount_percent=0, $error_msg="") { - // do not add a stock move if it's a non-inventory item - if (!is_inventory_item($stock_id)) - return null; - $date = date2sql($date_); $sql = "INSERT INTO ".TB_PREF."stock_moves (stock_id, trans_no, type, loc_code, @@ -117,8 +361,8 @@ function add_stock_move($type, $stock_id, $trans_no, $location, .", ".db_escape($location).", '$date', " .db_escape($person_id).", ".db_escape($reference).", " .db_escape($quantity).", ".db_escape($std_cost)."," - .db_escape($show_or_hide).", ".db_escape($price).", " - .db_escape($discount_percent).")"; + .db_escape($show_or_hide).", " + .db_escape($price).", ".db_escape($discount_percent).")"; if ($error_msg == "") $error_msg = "The stock movement record cannot be inserted"; @@ -128,15 +372,12 @@ function add_stock_move($type, $stock_id, $trans_no, $location, return db_insert_id(); } -function update_stock_move_pid($type, $stock_id, $from, $to, $pid, $cost) +function update_stock_move($type, $trans_no, $stock_id, $cost) { - $from = date2sql($from); - $to = date2sql($to); - $sql = "UPDATE ".TB_PREF."stock_moves SET standard_cost=".db_escape($cost) + $sql = "UPDATE ".TB_PREF."stock_moves SET standard_cost=".db_escape($cost) ." WHERE type=".db_escape($type) - ." AND stock_id=".db_escape($stock_id) - ." AND tran_date>='$from' AND tran_date<='$to' - AND person_id = ".db_escape($pid); + ." AND trans_no=".db_escape($trans_no) + ." AND stock_id=".db_escape($stock_id); db_query($sql, "The stock movement standard_cost cannot be updated"); } @@ -163,10 +404,30 @@ function get_stock_moves($type, $type_no, $visible=false) function void_stock_move($type, $type_no) { - $sql = "UPDATE ".TB_PREF."stock_moves SET qty=0, price=0, discount_percent=0, - standard_cost=0 WHERE type=".db_escape($type)." AND trans_no=".db_escape($type_no); - - db_query($sql, "Could not void stock moves"); + $sql = "SELECT * from ".TB_PREF."stock_moves WHERE type=".db_escape($type)." AND trans_no=".db_escape($type_no); + + $result = db_query($sql, "Could not void stock moves"); + while ($row = db_fetch($result)) + { + //Skip cost averaging of service items + if (is_inventory_item($row["stock_id"])) + { + // The cost has to be adjusted. + // Transaction rates are stored either as price or standard_cost depending on types + $types = array(ST_SUPPCREDIT, ST_SUPPRECEIVE); + if (in_array($type, $types)) + $unit_cost = $row["price"]; + else + $unit_cost = $row["standard_cost"]; + + update_average_material_cost($row["person_id"], $row["stock_id"], + $unit_cost, -$row["qty"], sql2date($row["tran_date"])); + } + + } + $sql = "DELETE FROM ".TB_PREF."stock_moves WHERE type=".db_escape($type) + ." AND trans_no=".db_escape($type_no); + db_query($sql, "The stock movement cannot be delated"); } //-------------------------------------------------------------------------------------------------- @@ -186,8 +447,3 @@ function get_location_name($loc_code) display_db_error("could not retreive the location name for $loc_code", $sql, true); } - -//-------------------------------------------------------------------------------------------------- - - -?> \ No newline at end of file