Add price columns to project BOM table and build price summary

src/Controller/ProjectController.php

@@ -69,10 +69,13 @@ public function info(Project $project, Request $request, ProjectBuildHelper $bui
             return $table->getResponse();
         }
 
+        $number_of_builds = max(1, $request->query->getInt('n', 1));
+
         return $this->render('projects/info/info.html.twig', [
             'buildHelper' => $buildHelper,
             'datatable' => $table,
             'project' => $project,
+            'number_of_builds' => $number_of_builds,
         ]);
     }
 

src/DataTables/ProjectBomEntriesDataTable.php

@@ -29,12 +29,15 @@
 use App\DataTables\Column\MarkdownColumn;
 use App\DataTables\Helpers\PartDataTableHelper;
 use App\Doctrine\Helpers\FieldHelper;
-use App\Entity\Parts\Part;
 use App\Entity\Parts\ManufacturingStatus;
+use App\Entity\Parts\Part;
 use App\Entity\ProjectSystem\ProjectBOMEntry;
 use App\Services\ElementTypeNameGenerator;
 use App\Services\EntityURLGenerator;
 use App\Services\Formatters\AmountFormatter;
+use App\Services\Formatters\MoneyFormatter;
+use App\Services\ProjectSystem\ProjectBuildHelper;
+use Brick\Math\RoundingMode;
 use Doctrine\ORM\AbstractQuery;
 use Doctrine\ORM\Query;
 use Doctrine\ORM\QueryBuilder;
@@ -50,7 +53,9 @@ public function __construct(
         protected EntityURLGenerator $entityURLGenerator,
         protected TranslatorInterface $translator,
         protected AmountFormatter $amountFormatter,
-        protected PartDataTableHelper $partDataTableHelper
+        protected PartDataTableHelper $partDataTableHelper,
+        protected ProjectBuildHelper $projectBuildHelper,
+        protected MoneyFormatter $moneyFormatter,
     ) {
     }
 
@@ -202,6 +207,27 @@ public function configure(DataTable $dataTable, array $options): void
                     return '';
                 }
             ])
+            ->add('price', TextColumn::class, [
+                'label' => 'project.bom.price',
+                'visible' => false,
+                'render' => function ($value, ProjectBOMEntry $context) {
+                    $price = $this->projectBuildHelper->getEntryUnitPrice($context);
+                    return $this->moneyFormatter->format($price->toScale(2, RoundingMode::UP)->toFloat(), null, 2, true);
+                },
+            ])
+            ->add('ext_price', TextColumn::class, [
+                'label' => 'project.bom.ext_price',
+                'visible' => false,
+                'render' => function ($value, ProjectBOMEntry $context) {
+                    $price = $this->projectBuildHelper->getEntryUnitPrice($context);
+                    return $this->moneyFormatter->format(
+                        $price->multipliedBy($context->getQuantity())->toScale(2, RoundingMode::UP)->toFloat(),
+                        null,
+                        2,
+                        true
+                    );
+                },
+            ])
 
             ->add('addedDate', LocaleDateTimeColumn::class, [
                 'label' => $this->translator->trans('part.table.addedDate'),

src/Services/ProjectSystem/ProjectBuildHelper.php

@@ -25,16 +25,22 @@
 use App\Entity\Parts\Part;
 use App\Entity\ProjectSystem\Project;
 use App\Entity\ProjectSystem\ProjectBOMEntry;
+use App\Entity\PriceInformations\Currency;
 use App\Helpers\Projects\ProjectBuildRequest;
 use App\Services\Parts\PartLotWithdrawAddHelper;
+use App\Services\Parts\PricedetailHelper;
+use Brick\Math\BigDecimal;
+use Brick\Math\RoundingMode;
 
 /**
  * @see \App\Tests\Services\ProjectSystem\ProjectBuildHelperTest
  */
 final readonly class ProjectBuildHelper
 {
-    public function __construct(private PartLotWithdrawAddHelper $withdraw_add_helper)
-    {
+    public function __construct(
+        private PartLotWithdrawAddHelper $withdraw_add_helper,
+        private PricedetailHelper $pricedetailHelper,
+    ) {
     }
 
     /**
@@ -168,4 +174,81 @@ public function doBuild(ProjectBuildRequest $buildRequest): void
             $this->withdraw_add_helper->add($buildRequest->getBuildsPartLot(), $buildRequest->getNumberOfBuilds(), $message);
         }
     }
+
+    /**
+     * Calculates the total price to build the given project N times, taking bulk pricing into account.
+     * Returns null if no BOM entry has any pricing information.
+     */
+    public function calculateTotalBuildPrice(Project $project, int $number_of_builds = 1, ?Currency $currency = null): ?BigDecimal
+    {
+        $total = BigDecimal::zero();
+        $has_price = false;
+
+        foreach ($project->getBomEntries() as $entry) {
+            $unit_price = $this->getBomEntryUnitPrice($entry, $number_of_builds, $currency);
+            if ($unit_price === null) {
+                continue;
+            }
+            $has_price = true;
+            $total = $total->plus($unit_price->multipliedBy($entry->getQuantity())->multipliedBy($number_of_builds));
+        }
+
+        return $has_price ? $total : null;
+    }
+
+    /**
+     * Calculates the price to build one unit of the given project when ordering for N builds in total.
+     * Returns null if no BOM entry has any pricing information.
+     */
+    public function calculateUnitBuildPrice(Project $project, int $number_of_builds = 1, ?Currency $currency = null): ?BigDecimal
+    {
+        $total = $this->calculateTotalBuildPrice($project, $number_of_builds, $currency);
+        if ($total === null) {
+            return null;
+        }
+        return $total->dividedBy($number_of_builds, 10, RoundingMode::HALF_UP);
+    }
+
+    /**
+     * Returns the total build price rounded up to 2 decimal places, ready for display.
+     */
+    public function roundedTotalBuildPrice(Project $project, int $number_of_builds = 1, ?Currency $currency = null): ?BigDecimal
+    {
+        return $this->calculateTotalBuildPrice($project, $number_of_builds, $currency)
+            ?->toScale(2, RoundingMode::UP);
+    }
+
+    /**
+     * Returns the unit build price rounded up to 2 decimal places, ready for display.
+     */
+    public function roundedUnitBuildPrice(Project $project, int $number_of_builds = 1, ?Currency $currency = null): ?BigDecimal
+    {
+        return $this->calculateUnitBuildPrice($project, $number_of_builds, $currency)
+            ?->toScale(2, RoundingMode::UP);
+    }
+
+    /**
+     * Returns the effective unit price for a single piece of the given BOM entry,
+     * taking bulk pricing and minimum order amounts into account for N builds.
+     * Returns BigDecimal::zero() when no pricing data is available.
+     */
+    public function getEntryUnitPrice(ProjectBOMEntry $entry, int $number_of_builds = 1, ?Currency $currency = null): BigDecimal
+    {
+        return $this->getBomEntryUnitPrice($entry, $number_of_builds, $currency) ?? BigDecimal::zero();
+    }
+
+    /**
+     * Returns the effective unit price for a single piece of the given BOM entry,
+     * taking bulk pricing into account for N builds.
+     */
+    private function getBomEntryUnitPrice(ProjectBOMEntry $entry, int $number_of_builds, ?Currency $currency): ?BigDecimal
+    {
+        if ($entry->getPart() instanceof Part) {
+            $total_qty = $entry->getQuantity() * $number_of_builds;
+            $min_order = $this->pricedetailHelper->getMinOrderAmount($entry->getPart());
+            $effective_qty = ($min_order !== null) ? max($total_qty, $min_order) : $total_qty;
+            return $this->pricedetailHelper->calculateAvgPrice($entry->getPart(), $effective_qty, $currency);
+        }
+        return $entry->getPrice();
+    }
 }

templates/projects/info/_info.html.twig

@@ -55,6 +55,32 @@
                 </span>
             </h6>
         </div>
+        {% set n = number_of_builds ?? 1 %}
+        {% set total_build_price = buildHelper.roundedTotalBuildPrice(project, n, app.user.currency ?? null) %}
+        {% set unit_build_price = buildHelper.roundedUnitBuildPrice(project, n, app.user.currency ?? null) %}
+        {% if total_build_price is not null %}
+            <div class="mt-1">
+                <h6>
+                    <span class="badge badge-primary bg-success">
+                        <i class="fa-solid fa-money-bill-wave fa-fw"></i>
+                        {% trans %}project.info.total_build_price{% endtrans %}:
+                        {{ total_build_price | format_money(app.user.currency ?? null, 2) }}
+                        {% if n > 1 and unit_build_price is not null %}
+                            <span class="ms-1">
+                                ({% trans %}project.info.per_unit_price{% endtrans %}: {{ unit_build_price | format_money(app.user.currency ?? null, 2) }})
+                            </span>
+                        {% endif %}
+                    </span>
+                </h6>
+            </div>
+        {% endif %}
+        <form method="get" action="{{ path('project_info', {'id': project.id}) }}" class="mt-2">
+            <div class="input-group input-group-sm">
+                <span class="input-group-text">{% trans %}project.builds.number_of_builds{% endtrans %}</span>
+                <input type="number" min="1" class="form-control" name="n" required value="{{ n }}">
+                <button class="btn btn-outline-secondary" type="submit">{% trans %}project.build.btn_build{% endtrans %}</button>
+            </div>
+        </form>
         {% if project.children is not empty %}
             <div class="mt-1">
                 <h6>
@@ -69,9 +95,9 @@
     </div>
 
     {% if project.comment is not empty %}
-        <p>
-        <h5>{% trans %}comment.label{% endtrans %}:</h5>
-        {{ project.comment|format_markdown }}
-        </p>
+        <div class="col-12 mt-2">
+            <h5>{% trans %}comment.label{% endtrans %}:</h5>
+            {{ project.comment|format_markdown }}
+        </div>
     {% endif %}
-</div>
+</div>