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
+
+ $date = date2sql($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);
- $result = db_query($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];
- }
$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)
$negative_trans_id = $myrow['trans_id'];
}
if ($qty >= 0)
- $flag = 0;
+ $flag = 0;
}
-
+
if ($flag == 1)
return $negative_trans_id;
else
." AND trans_id ='$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];
$new_purchase_cost = $row[0] * $material_cost;
$purchase_diff = $new_purchase_cost - $old_purchase_cost;
}
-
+
$diff = $sales_diff - $purchase_diff;
if ($diff != 0)
$id = get_next_trans_no(ST_JOURNAL);
$ref = $Refs->get_next(ST_JOURNAL);
- $diff = get_standard_cost($stock_id) - $standard_cost;
-
- if ($diff !=0)
+ $diff = round($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");
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, $ref);
db_query($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, $visible=false)
function void_stock_move($type, $type_no)
{
$sql = "SELECT * from ".TB_PREF."stock_moves WHERE type=".db_escape($type)." AND trans_no=".db_escape($type_no);
+
$result = db_query($sql, "Could not void stock moves");
while ($row = db_fetch($result))
{
display_db_error("could not retreive the location name for $loc_code", $sql, true);
}
-
-//--------------------------------------------------------------------------------------------------
-
-
-?>
projects / fa-stable.git / blobdiff