MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
***********************************************************************/
-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)
- {
- $sql = "SELECT SUM(qty) FROM ".TB_PREF."stock_moves
- WHERE stock_id=".db_escape($stock_id);
$date_ = Today();
- $date = date2sql($date_);
- }
- else
- {
- $date = date2sql($date_);
- $sql = "SELECT SUM(qty) FROM ".TB_PREF."stock_moves
- WHERE stock_id=".db_escape($stock_id)."
- AND tran_date <= '$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 <= '$date'";
+
if ($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];
- }
- 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'] ? $qos : null;
}
//--------------------------------------------------------------------------------------
function get_item_edit_info($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($result);
//--------------------------------------------------------------------------------------
-function get_standard_cost($stock_id)
+function get_unit_cost($stock_id)
{
- $sql = "SELECT (material_cost + labour_cost + overhead_cost) AS std_cost
- FROM ".TB_PREF."stock_master s WHERE stock_id=".db_escape($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);
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");
function get_already_delivered($stock_id, $location, $trans_no)
{
- $sql = "SELECT ".TB_PREF."stock_moves.qty
+ $sql = "SELECT qty
FROM ".TB_PREF."stock_moves
- WHERE ".TB_PREF."stock_moves.stock_id = ".db_escape($stock_id)."
- AND ".TB_PREF."stock_moves.loc_code = ".db_escape($location)."
+ WHERE stock_id = ".db_escape($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
$negative_trans_id = $myrow['trans_id'];
}
if ($qty >= 0)
- $flag = 0;
+ $flag = 0;
}
-
+
if ($flag == 1)
return $negative_trans_id;
else
return db_fetch_row($result);
}
-function get_deliveries_from_trans($stock_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>='$from' GROUP BY stock_id";
+ trans_id>='$move_id' GROUP BY stock_id";
$result = db_query($sql, "The deliveries could not be updated");
- $row = db_fetch_row($result);
+ $row = db_fetch_row($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 ='$from'";
+ ." AND trans_id ='$move_id'";
$result = db_query($sql, "The deliveries could not be updated");
- $cost = db_fetch_row($result);
-
+ $cost = db_fetch_row($result); // fetch unit cost at move_id
+
// Adjusting QOH valuation
- $sql = "SELECT SUM(qty) FROM ".TB_PREF."stock_moves
+ $sql = "SELECT SUM(qty)
+ FROM ".TB_PREF."stock_moves
WHERE stock_id=".db_escape($stock_id)." AND
- trans_id<'$from' GROUP BY stock_id";
+ trans_id<'$move_id' 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
+ $qoh = db_fetch_row($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);
}
-function get_purchases_from_trans($stock_id, $from)
+/*
+ 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
+ $sql = "SELECT SUM(qty), SUM(qty*standard_cost)
+ FROM ".TB_PREF."stock_moves
WHERE stock_id=".db_escape($stock_id)." AND qty > 0 AND
- trans_id>'$from' GROUP BY stock_id";
+ trans_id>'$move_id' GROUP BY stock_id";
$result = db_query($sql, "Could not get get_purchases_from_trans");
$row = db_fetch_row($result);
}
//-------------------------------------------------------------------
-
+/*
+ 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;
- $from = last_negative_stock_trans_id($stock_id, $to);
- if ($from == false || $from == -1)
+ $move_id = last_negative_stock_trans_id($stock_id, $to);
+ if ($move_id == false || $move_id == -1)
return;
- $row = get_deliveries_from_trans($stock_id, $from);
-
+ $row = get_deliveries_from_trans($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, $from);
+ $row = get_purchases_from_trans($stock_id, $move_id);
$purchase_diff = 0;
- $old_purchase_cost = 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)
{
- $update_no = get_next_trans_no(ST_COSTUPDATE);
- if (!is_date_in_fiscalyear($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);
+ $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);
- 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, $to);
- }
+ write_journal_entries($cart);
+ }
}
function get_stock_gl_code($stock_id)
{
/*Gets the GL Codes relevant to the item account */
$sql = "SELECT mb_flag, inventory_account, cogs_account,
- adjustment_account, sales_account, assembly_account, dimension_id, dimension2_id FROM
+ adjustment_account, sales_account, wip_account, dimension_id, dimension2_id FROM
".TB_PREF."stock_master WHERE stock_id = ".db_escape($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_)
global $Refs;
$id = get_next_trans_no(ST_JOURNAL);
- $ref = $Refs->get_next(ST_JOURNAL);
- $diff = get_standard_cost($stock_id) - $standard_cost;
-
- if ($diff !=0)
+ $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'], $memo,
- -$qoh * $diff);
+ -$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,
- $qoh * $diff);
-
+ $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)
{
$date = date2sql($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($discount_percent).")";
-
- if ($error_msg == "")
- $error_msg = "The stock movement record cannot be inserted";
+ tran_date, reference, qty, standard_cost, price) VALUES ("
+ .db_escape($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).")";
- db_query($sql, $error_msg);
+ db_query($sql, "The stock movement record cannot be inserted");
return db_insert_id();
}
db_query($sql, "The stock movement standard_cost cannot be updated");
}
-function update_stock_move_pid($type, $type_no, $stock_id, $pid, $cost)
-{
- $sql = "UPDATE ".TB_PREF."stock_moves SET standard_cost=".db_escape($cost)
- ." WHERE type=".db_escape($type)
- ." AND trans_no=".db_escape($type_no)
- ." AND stock_id=".db_escape($stock_id)
- ." AND person_id = ".db_escape($pid);
- 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");
}
function void_stock_move($type, $type_no)
{
- $sql = "SELECT * from ".TB_PREF."stock_moves WHERE type=".db_escape($type)." AND trans_no=".db_escape($type_no);
+ $sql = "SELECT move.*, supplier.supplier_id
+ FROM ".TB_PREF."stock_moves move
+ LEFT JOIN ".TB_PREF."supp_trans credit ON credit.trans_no=move.trans_no AND credit.type=move.type
+ LEFT JOIN ".TB_PREF."grn_batch grn ON grn.id=move.trans_no AND 25=move.type
+ LEFT JOIN ".TB_PREF."suppliers supplier ON IFNULL(grn.supplier_id, credit.supplier_id)=supplier.supplier_id
+ WHERE move.type=".db_escape($type)." AND move.trans_no=".db_escape($type_no);
+
$result = db_query($sql, "Could not void stock moves");
while ($row = db_fetch($result))
{
else
$unit_cost = $row["standard_cost"];
- update_average_material_cost($row["person_id"], $row["stock_id"],
+ update_average_material_cost($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);
+ $sql = "DELETE FROM ".TB_PREF."stock_moves
+ WHERE type=".db_escape($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");
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