public function getAllocationDone($AllocationId)
{
$allocation = Allocation::find($AllocationId);
$form_product = Product::find($allocation->from_product_id);
$form_product->store = $form_product->store - $allocation->num;
$form_product->save();
$to_product = new Product();
$to_product->good_id = $allocation->good_id;
$to_product->purchase = 0;
$to_product->sell = 0;
$to_product->store = $allocation->num;
$to_product->cost = $form_product->cost;
$to_product->price = $form_product->price;
$to_product->damage = 0;
$to_product->replacement = 0;
$to_product->warehouse_id = $allocation->to_warehouse_id;
$to_product->production_date = $form_product->production_date;
$to_product->life = $form_product->life;
$to_product->cost_date = $form_product->cost_date;
$to_product->life_date = $form_product->life_date;
$to_product->save();
$allocation->to_product_id = $to_product->id;
$allocation->allocation_status = '1';
$allocation->save();
$this->__goodLog($allocation->good_id, $form_product->id, 'allocation');
return Redirect::to('goods/allocation-list')->with('success', '确认调拨！');
}
public function step()
{
if (Allocation::$count == 0) {
Allocation::$count = 1;
} else {
Allocation::$count++;
}
if ($this->isOptimalSolution()) {
return $this;
}
foreach ($this->assistants as $assistant) {
if ($assistant->isAssignedToSchool()) {
continue;
}
//Assistant has been assigned a school
$availability = $assistant->getAvailability();
arsort($availability);
foreach ($availability as $day => $isAvailable) {
if (!$isAvailable) {
break;
}
//When there is no schools with capacity on available day
foreach ($this->schools as $school) {
if ($assistant->isDoublePosition()) {
if ($school->getCapacity()[1][$day] > 0 && $school->getCapacity()[2][$day] > 0) {
//There is capacity left in both group 1 and group 2
// dump("FOUND SCHOOL! for " . $assistant->getName() . ", School: " . $school->getName() . ", Group: Both");
$assistantsCopy = $this->copyAssistants();
$schoolsCopy = $this->copySchools();
$allocationCopy = new Allocation($schoolsCopy, $assistantsCopy);
$allocationCopy->assignAssistantToSchool($allocationCopy->findAssistantByName($assistant->getName()), $allocationCopy->findSchoolByName($school->getName()), 1, $day);
$allocationCopy->assignAssistantToSchool($allocationCopy->findAssistantByName($assistant->getName()), $allocationCopy->findSchoolByName($school->getName()), 2, $day);
$allocationCopySolution = $allocationCopy->step();
if (!is_null($allocationCopySolution)) {
return $allocationCopySolution;
}
}
} else {
for ($group = 1; $group <= 2; $group++) {
if ($group == 1 && $assistant->getPreferredGroup() == 2 || $group == 2 && $assistant->getPreferredGroup() == 1) {
continue;
}
//Don't assign assistant to other than the preferred group
$capacity = $school->getCapacity()[$group];
if ($capacity[$day] > 0) {
// dump("FOUND SCHOOL! for " . $assistant->getName() . ", School: " . $school->getName() . ", Group: " . $group);
$assistantsCopy = $this->copyAssistants();
$schoolsCopy = $this->copySchools();
$allocationCopy = new Allocation($schoolsCopy, $assistantsCopy);
$allocationCopy->assignAssistantToSchool($allocationCopy->findAssistantByName($assistant->getName()), $allocationCopy->findSchoolByName($school->getName()), $group, $day);
$allocationCopySolution = $allocationCopy->step();
if (!is_null($allocationCopySolution)) {
return $allocationCopySolution;
}
}
}
}
}
}
}
return null;
//No solution found
}
