/**
* Display a listing of the resource.
*
* @return Response
*/
public function index()
{
$currentPeriodId = Helper::defaultPeriodId();
$periods = StockPeriods::all();
$period_list = array();
foreach ($periods as $period) {
$period_list[$period->id] = 'Stock #' . $period->number . ' (' . $period->date_from . ' - ' . ($period->id == $currentPeriodId ? 'NOW' : $period->date_to) . ')';
}
if (Input::has('stock_period')) {
$currentPeriodId = Input::get('stock_period');
}
$items = Wastes::where(['stock_period_id' => $currentPeriodId])->get();
return view('Wastes.index')->with(array('title' => $this->title, 'period' => $currentPeriodId, 'stocks_list' => $period_list, 'items' => $items));
}
private function getData($stock, $category)
{
$last_period = $stock;
$current_period = Helper::periodAfterId($last_period);
$item_purchases = [];
$last_stock = [];
$current_stock = [];
$item_sales = [];
$item_wastes = [];
$items = [];
$wastage = [];
$sales_chart = [];
$items_without_price = 0;
$period = null;
if ($last_period) {
$purchases = Purchases::orderBy('date_created', 'ASC')->where(['stock_period_id' => $last_period])->get();
foreach ($purchases as $purchase) {
foreach ($purchase->purchases()->get() as $itemPurchase) {
if (array_key_exists($itemPurchase->item_id, $item_purchases)) {
$item_purchases[$itemPurchase->item_id]['value'] += $itemPurchase->value;
$item_purchases[$itemPurchase->item_id]['occurrences']++;
$item_purchases[$itemPurchase->item_id]['price'] += $itemPurchase->value == 0 ? 0 : $itemPurchase->price / $itemPurchase->value;
} else {
$item_purchases[$itemPurchase->item_id]['value'] = $itemPurchase->value;
$item_purchases[$itemPurchase->item_id]['price'] = $itemPurchase->value == 0 ? 0 : $itemPurchase->price / $itemPurchase->value;
$item_purchases[$itemPurchase->item_id]['occurrences'] = 1;
}
}
}
foreach ($item_purchases as $key => $purchase) {
$item_purchases[$key]['price'] = $purchase['price'] / $purchase['occurrences'];
}
$last_stock_items = StockItem::where(['stock_period_id' => $last_period])->get();
foreach ($last_stock_items as $si) {
if (array_key_exists($si->item_id, $last_stock)) {
$last_stock[$si->item_id] += $si->stock;
} else {
$last_stock[$si->item_id] = $si->stock;
}
}
$current_stock_items = StockItem::where(['stock_period_id' => $current_period])->get();
foreach ($current_stock_items as $si) {
if (array_key_exists($si->item_id, $current_stock)) {
$current_stock[$si->item_id] += $si->stock;
} else {
$current_stock[$si->item_id] = $si->stock;
}
}
$sales = Sales::where(['stock_period_id' => $last_period])->get();
foreach ($sales as $sale) {
foreach ($sale->sales()->orderBy('quantity', 'DESC')->get() as $sale_item) {
$menu = $sale_item->menu()->first();
if ($menu) {
$color = $this->rand_color();
$sales_chart[$menu->id] = ['value' => $sale_item->quantity, 'color' => $color, 'highlight' => $this->alter_brightness($color, 20), 'label' => $menu->title];
if ($menu->type == 'item') {
if (array_key_exists($menu->item_id, $item_sales)) {
$item_sales[$menu->item_id] += $menu->value * $sale_item->quantity;
} else {
$item_sales[$menu->item_id] = $menu->value * $sale_item->quantity;
}
} elseif ($menu->type == 'recipe') {
$recipe = $menu->recipe()->first();
if ($recipe) {
$usage = $this->countUsageFromRecipe($recipe);
foreach ($usage as $key => $use) {
if (array_key_exists($key, $item_sales)) {
$item_sales[$key] += $sale_item->quantity * $use;
} else {
$item_sales[$key] = $sale_item->quantity * $use;
}
}
}
}
}
}
}
$wastes = Wastes::where(['stock_period_id' => $last_period])->get();
foreach ($wastes as $waste) {
if (array_key_exists($waste->reason()->first()->id, $wastage)) {
$wastage[$waste->reason()->first()->id]['value'] = $wastage[$waste->reason()->first()->id]['value'] + 1;
} else {
$color = $this->rand_color();
$wastage[$waste->reason()->first()->id] = ['value' => 1, 'color' => $color, 'highlight' => $this->alter_brightness($color, 20), 'label' => $waste->reason()->first()->reason];
}
if ($waste->type == 'item') {
if (array_key_exists($waste->item_id, $item_wastes)) {
$item_wastes[$waste->item_id] += $waste->value;
} else {
$item_wastes[$waste->item_id] = $waste->value;
}
} elseif ($waste->type == 'recipe') {
$recipe = $waste->recipe()->first();
if ($recipe) {
$usage = $this->countUsageFromRecipe($recipe);
foreach ($usage as $key => $use) {
if (array_key_exists($key, $item_wastes)) {
$item_wastes[$key] += $waste->recipe_count * $use;
} else {
$item_wastes[$key] = $waste->recipe_count * $use;
}
}
}
} elseif ($waste->type == 'menu') {
$menu = $waste->menu()->first();
if ($menu) {
if ($menu->type == 'item') {
if (array_key_exists($menu->item_id, $item_wastes)) {
$item_wastes[$menu->item_id] += $waste->menu_count * $menu->value;
} else {
$item_wastes[$menu->item_id] = $waste->menu_count * $menu->value;
}
} elseif ($menu->type == 'recipe') {
$recipe = $menu->recipe()->first();
if ($recipe) {
$usage = $this->countUsageFromRecipe($recipe);
foreach ($usage as $key => $use) {
if (array_key_exists($key, $item_wastes)) {
$item_wastes[$key] += $waste->menu_count * $use;
} else {
$item_wastes[$key] = $waste->menu_count * $use;
}
}
}
}
}
}
}
}
$all_items = Items::all();
$variance = 0;
$count = 0;
foreach ($all_items as $item) {
if (!array_key_exists($item->category()->first()->id, $items)) {
$items[$item->category()->first()->id]['category'] = $item->category()->first()->title;
$items[$item->category()->first()->id]['variance'] = 0;
$items[$item->category()->first()->id]['items'] = [];
}
$current_item = [];
//$items[$item->id]['object'] = $item;
$current_item['title'] = $item->title;
$current_item['units'] = $item->units()->where(['default' => 1])->first()->unit()->first()->title;
$current_item['wastage'] = array_key_exists($item->id, $item_wastes) ? $item_wastes[$item->id] : 0;
$current_item['last_stock'] = array_key_exists($item->id, $last_stock) ? $last_stock[$item->id] : 0;
$current_item['current_stock'] = array_key_exists($item->id, $current_stock) ? $current_stock[$item->id] : 0;
if (array_key_exists($item->id, $item_purchases)) {
$current_item['purchases'] = $item_purchases[$item->id];
} else {
$price = 0;
$item_price = ItemPurchases::where(['item_id' => $item->id])->orderBy('created_at', 'DESC')->first();
if ($item_price) {
$value = $item_price->value;
if ($value == 0) {
$value = 1;
}
$price = $item_price->price / $value;
} else {
if ($item->price) {
$price = $item->price;
} else {
$items_without_price++;
}
}
$current_item['purchases'] = ['value' => 0, 'price' => $price, 'occurrences' => 0];
}
$current_item['sales'] = array_key_exists($item->id, $item_sales) ? $item_sales[$item->id] : 0;
$current_item['must_stock'] = $current_item['last_stock'] + $current_item['purchases']['value'] - $current_item['sales'] - $current_item['wastage'];
$current_item['stock_difference'] = $current_item['current_stock'] - $current_item['must_stock'];
$current_item['variance'] = round($current_item['stock_difference'] * $current_item['purchases']['price'], 2);
$variance += $current_item['variance'];
$items[$item->category()->first()->id]['variance'] += $current_item['variance'];
$items[$item->category()->first()->id]['items'][$item->id] = $current_item;
$count++;
}
return $category && array_key_exists($category, $items) ? $items[$category] : $items;
}