Show product count per group on the product groups page and added a link to the products page filtered by the current product group (closes #174)

views/productgroups.blade.php

@@ -31,6 +31,7 @@
 					<th class="border-right"></th>
 					<th>{{ $L('Name') }}</th>
 					<th>{{ $L('Description') }}</th>
+					<th>{{ $L('Product count') }}</th>
 				</tr>
 			</thead>
 			<tbody class="d-none">
@@ -50,6 +51,12 @@
 					<td>
 						{{ $productGroup->description }}
 					</td>
+					<td>
+						{{ count(FindAllObjectsInArrayByPropertyValue($products, 'product_group_id', $productGroup->id)) }}
+						<a class="btn btn-link btn-sm text-body" href="{{ $U('/products?product-group=') . $productGroup->id }}">
+						<i class="fas fa-external-link-alt"></i>
+						</a>
+					</td>
 				</tr>
 				@endforeach
 			</tbody>

views/products.blade.php

@@ -24,6 +24,15 @@
 		<label for="search">{{ $L('Search') }}</label> <i class="fas fa-search"></i>
 		<input type="text" class="form-control" id="search">
 	</div>
+	<div class="col-xs-12 col-md-6 col-xl-3">
+		<label for="location-filter">{{ $L('Filter by product group') }}</label> <i class="fas fa-filter"></i>
+		<select class="form-control" id="product-group-filter">
+			<option value="all">{{ $L('All') }}</option>
+			@foreach($productGroups as $productGroup)
+				<option value="{{ $productGroup->id }}">{{ $productGroup->name }}</option>
+			@endforeach
+		</select>
+	</div>
 </div>
 
 <div class="row">