X-Git-Url: https://delta.frontaccounting.com/gitweb/?a=blobdiff_plain;f=includes%2Fdb%2Finventory_db.inc;h=e46dd6de82e128ae7baf48d1e4f7848307a94735;hb=7647c792901573c9a46a976e548cc367022a7d57;hp=3695166ba3f6e425cc5dad4928623a7ae5a18c2e;hpb=d67f3efea0aa65cea4f875e2b46d0dacc3e838ef;p=fa-stable.git diff --git a/includes/db/inventory_db.inc b/includes/db/inventory_db.inc index 3695166b..e46dd6de 100644 --- a/includes/db/inventory_db.inc +++ b/includes/db/inventory_db.inc @@ -9,47 +9,88 @@ 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_); + $sql = "SELECT SUM(qty) + FROM ".TB_PREF."stock_moves st + LEFT JOIN ".TB_PREF."voided v ON st.type=v.type AND st.trans_no=v.id + WHERE ISNULL(v.id) + AND stock_id=".db_escape($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 calculation failed"); - $result = db_query($sql, "QOH calulcation failed"); + $myrow = db_fetch_row($result); - $myrow = db_fetch_row($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]; - } + $qoh = $myrow[0]; + return $qoh ? $qoh : 0; +} - return $myrow[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'] ? $qos : null; } //-------------------------------------------------------------------------------------- function get_item_edit_info($stock_id) { - $sql = "SELECT material_cost + labour_cost + overhead_cost AS standard_cost, units, decimals - FROM ".TB_PREF."stock_master,".TB_PREF."item_units + $sql = "SELECT item.material_cost, item.units, unit.decimals + FROM ".TB_PREF."stock_master item," + .TB_PREF."item_units unit WHERE stock_id=".db_escape($stock_id) - ." AND ".TB_PREF."stock_master.units=".TB_PREF."item_units.abbr"; + ." AND item.units=unit.abbr"; $result = db_query($sql, "The standard cost cannot be retrieved"); return db_fetch($result); @@ -57,10 +98,11 @@ function get_item_edit_info($stock_id) //-------------------------------------------------------------------------------------- -function get_standard_cost($stock_id) +function get_unit_cost($stock_id) { - $sql = "SELECT material_cost + labour_cost + overhead_cost AS std_cost - FROM ".TB_PREF."stock_master WHERE stock_id=".db_escape($stock_id); + $sql = "SELECT material_cost + FROM ".TB_PREF."stock_master + WHERE stock_id=".db_escape($stock_id); $result = db_query($sql, "The standard cost cannot be retrieved"); $myrow = db_fetch_row($result); @@ -68,11 +110,26 @@ function get_standard_cost($stock_id) return $myrow[0]; } +//-------------------------------------------------------------------------------------- + +function get_purchase_cost($stock_id) +{ + $sql = "SELECT purchase_cost + FROM ".TB_PREF."stock_master + WHERE stock_id=".db_escape($stock_id); + $result = db_query($sql, "The purchase cost cannot be retrieved"); + + $myrow = db_fetch_row($result); + + return $myrow[0]; +} + //-------------------------------------------------------------------------------------- function is_inventory_item($stock_id) { - $sql = "SELECT stock_id FROM ".TB_PREF."stock_master + $sql = "SELECT stock_id FROM " + .TB_PREF."stock_master WHERE stock_id=".db_escape($stock_id)." AND mb_flag <> 'D'"; $result = db_query($sql, "Cannot query is inventory item or not"); @@ -81,80 +138,313 @@ 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) +{ + $sql = "SELECT qty + FROM ".TB_PREF."stock_moves + WHERE stock_id = ".db_escape($stock_id)." + AND 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]; +} +/* + Returns start move_id in latest negative status period for $stock_id + FIXME: $to ? +*/ +function last_negative_stock_trans_id($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); +} - $sql = "SELECT inventory_account, cogs_account, - adjustment_account, sales_account, assembly_account, dimension_id, dimension2_id FROM +/* + Returns quantity and total cost of $stock_id sales, entered after record with $move_id +*/ +function get_deliveries_from_trans($stock_id, $move_id) +{ + // -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>='$move_id' GROUP BY stock_id"; + $result = db_query($sql, "The deliveries could not be updated"); + $row = db_fetch_row($result); // fetch quantity and cost of all deliveries including move_id + + $sql = "SELECT IF(type=".ST_SUPPRECEIVE." OR type=".ST_SUPPCREDIT.", price, standard_cost) + FROM ".TB_PREF."stock_moves + WHERE stock_id=".db_escape($stock_id) + ." AND trans_id ='$move_id'"; + $result = db_query($sql, "The deliveries could not be updated"); + $cost = db_fetch_row($result); // fetch unit cost at move_id + + // Adjusting QOH valuation + $sql = "SELECT SUM(qty) + FROM ".TB_PREF."stock_moves + WHERE stock_id=".db_escape($stock_id)." AND + trans_id<'$move_id' GROUP BY stock_id"; + $result = db_query($sql, "The deliveries could not be updated"); + $qoh = db_fetch_row($result); // find qoh before inventory went negative + + // adjust cost and quantity for part of move_id transaction on positive inventory + $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); +} + +/* + Returns quantity and total cost of $stock_id purchases, entered after record with $move_id +*/ +function get_purchases_from_trans($stock_id, $move_id) +{ + // 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>'$move_id' GROUP BY stock_id"; + $result = db_query($sql, "Could not get get_purchases_from_trans"); + $row = db_fetch_row($result); + + return $row; +} + +//------------------------------------------------------------------- +/* + This routine fixes stock and COGS balances for all $stock_id sales made during negative inventory status. + This is called when delivery is received causing inventory status to be positive again. +*/ +function adjust_deliveries($stock_id, $material_cost, $to) +{ + global $Refs; + + if (!is_inventory_item($stock_id)) + return; + + $move_id = last_negative_stock_trans_id($stock_id, $to); + if ($move_id == false || $move_id == -1) + return; + + $row = get_deliveries_from_trans($stock_id, $move_id); + + if ($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, $move_id); + $purchase_diff = 0; + $old_purchase_cost = $new_purchase_cost = 0; + if ($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) + { + $stock_gl_code = get_stock_gl_code($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); + + $cart = new items_cart(ST_COSTUPDATE); + $cart->tran_date = $cart->doc_date = $cart->event_date = $to; + if (!is_date_in_fiscalyear($cart->tran_date)) + $cart->tran_date = end_fiscalyear(); + $cart->reference = $Refs->get_next(ST_COSTUPDATE, null, $cart->tran_date, $to); + + $cart->memo_ = _("Cost was ") . $old_cost. _(" changed to ") . $new_cost . _(" for item ")."'$stock_id'"; + + $cart->add_gl_item($stock_gl_code["cogs_account"], $stock_gl_code["dimension_id"], $stock_gl_code["dimension2_id"], $diff); + $cart->add_gl_item($stock_gl_code["inventory_account"], 0, 0, -$diff); + + write_journal_entries($cart); + } +} + +function get_stock_gl_code($stock_id) +{ + /*Gets the GL Codes relevant to the item account */ + $sql = "SELECT mb_flag, inventory_account, cogs_account, + adjustment_account, sales_account, wip_account, dimension_id, dimension2_id FROM ".TB_PREF."stock_master WHERE stock_id = ".db_escape($stock_id); $get = db_query($sql,"retreive stock gl code"); return db_fetch($get); } +function get_purchase_value($stock_id) +{ + + $sql = "SELECT purchase_cost FROM + ".TB_PREF."stock_master WHERE stock_id = ".db_escape($stock_id); + + $result = db_query($sql,"retreive stock purchase price"); + $row = db_fetch_row($result); + return $row[0]; +} + +function update_purchase_value($stock_id, $price) +{ + $price = round2($price, user_price_dec()); + $sql = "UPDATE ".TB_PREF."stock_master SET purchase_cost=".db_escape($price) + ." WHERE stock_id=".db_escape($stock_id); + db_query($sql, "The stock master purchase_cost cannot be updated"); +} +//----------------------------------------------------------------------------------------- + +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, null, $date_); + $diff = round($qoh*get_unit_cost($stock_id) + $quantity*$standard_cost, user_price_dec()); + + if ($diff != 0) + { + begin_transaction(); + add_journal(ST_JOURNAL, $id, $diff, $date_, get_company_currency(), $ref); + $Refs->save(ST_JOURNAL, $id, $ref); + + $stock_gl_code = get_stock_gl_code($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); + commit_transaction(); + } + } +} + //-------------------------------------------------------------------------------------- // $date_ - display / non-sql date // $std_cost - in HOME currency -// $show_or_hide - wil this move be visible in reports, etc -// $price - in $person_id's currency +// $price - in transaction currency function add_stock_move($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="") + $date_, $reference, $quantity, $std_cost, $price=0) { - // do not add a stock move if it's a non-inventory item - if (!is_inventory_item($stock_id)) - return null; - $date = date2sql($date_); $sql = "INSERT INTO ".TB_PREF."stock_moves (stock_id, trans_no, type, loc_code, - tran_date, person_id, reference, qty, standard_cost, visible, price, - discount_percent) VALUES (".db_escape($stock_id) - .", ".db_escape($trans_no).", ".db_escape($type) - .", ".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($discount_percent).")"; + tran_date, reference, qty, standard_cost, price) VALUES (" + .db_escape($stock_id).", ".db_escape($trans_no).", " + .db_escape($type).", ".db_escape($location).", '$date', " + .db_escape($reference).", " + .db_escape($quantity).", ".db_escape($std_cost)."," .db_escape($price).")"; - if ($error_msg == "") - $error_msg = "The stock movement record cannot be inserted"; - - db_query($sql, $error_msg); + db_query($sql, "The stock movement record cannot be inserted"); 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"); } //-------------------------------------------------------------------------------------------------- -function get_stock_moves($type, $type_no, $visible=false) +function get_stock_moves($type, $type_no) { - $sql = "SELECT ".TB_PREF."stock_moves.*, ".TB_PREF."stock_master.description, " - .TB_PREF."stock_master.units,".TB_PREF."locations.location_name," - .TB_PREF."stock_master.material_cost + " - .TB_PREF."stock_master.labour_cost + " - .TB_PREF."stock_master.overhead_cost AS FixedStandardCost - FROM ".TB_PREF."stock_moves,".TB_PREF."locations,".TB_PREF."stock_master - WHERE ".TB_PREF."stock_moves.stock_id = ".TB_PREF."stock_master.stock_id - AND ".TB_PREF."locations.loc_code=".TB_PREF."stock_moves.loc_code - AND type=".db_escape($type)." AND trans_no=".db_escape($type_no)." ORDER BY trans_id"; - if ($visible) - $sql .= " AND ".TB_PREF."stock_moves.visible=1"; + $sql = "SELECT move.*, item.description, item.mb_flag, item.units, stock.location_name + FROM ".TB_PREF."stock_moves move," + .TB_PREF."locations stock," + .TB_PREF."stock_master item + WHERE move.stock_id = item.stock_id + AND stock.loc_code=move.loc_code + AND type=".db_escape($type) + ." AND trans_no=".db_escape($type_no) + ." ORDER BY trans_id"; return db_query($sql, "Could not get stock moves"); } @@ -163,18 +453,43 @@ 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"); + $sql = "SELECT move.*, supplier.supplier_id + FROM ".TB_PREF."stock_moves move + LEFT JOIN ".TB_PREF."supp_trans credit ON credit.trans_no=move.trans_no AND credit.type=move.type + LEFT JOIN ".TB_PREF."grn_batch grn ON grn.id=move.trans_no AND 25=move.type + LEFT JOIN ".TB_PREF."suppliers supplier ON IFNULL(grn.supplier_id, credit.supplier_id)=supplier.supplier_id + WHERE move.type=".db_escape($type)." AND move.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["supplier_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"); } //-------------------------------------------------------------------------------------------------- function get_location_name($loc_code) { - $sql = "SELECT location_name FROM ".TB_PREF."locations WHERE loc_code=" - .db_escape($loc_code); + $sql = "SELECT location_name FROM ".TB_PREF."locations + WHERE loc_code=".db_escape($loc_code); $result = db_query($sql, "could not retreive the location name for $loc_code"); @@ -187,7 +502,16 @@ function get_location_name($loc_code) display_db_error("could not retreive the location name for $loc_code", $sql, true); } -//-------------------------------------------------------------------------------------------------- +function get_mb_flag($stock_id) +{ + $sql = "SELECT mb_flag FROM ".TB_PREF."stock_master + WHERE stock_id = ".db_escape($stock_id); + $result = db_query($sql, "retreive mb_flag from item"); + + if (db_num_rows($result) == 0) + return -1; + $myrow = db_fetch_row($result); + return $myrow[0]; +} -?> \ No newline at end of file