added a /product/id end point for product summary pages

src/main/java/group/goforward/battlbuilder/controllers/ProductController.java

@@ -3,12 +3,14 @@ package group.goforward.battlbuilder.controllers;
 import group.goforward.battlbuilder.model.Product;
 import group.goforward.battlbuilder.model.ProductOffer;
 import group.goforward.battlbuilder.repos.ProductOfferRepository;
+import group.goforward.battlbuilder.web.dto.ProductDto;
 import group.goforward.battlbuilder.web.dto.ProductOfferDto;
 import group.goforward.battlbuilder.repos.ProductRepository;
 import group.goforward.battlbuilder.web.dto.ProductSummaryDto;
 import group.goforward.battlbuilder.web.mapper.ProductMapper;
 import org.springframework.cache.annotation.Cacheable;
 import org.springframework.web.bind.annotation.*;
+import org.springframework.http.ResponseEntity;
 
 import java.math.BigDecimal;
 import java.util.*;
@@ -134,4 +136,20 @@ public class ProductController {
                 .min(Comparator.comparing(ProductOffer::getEffectivePrice))
                 .orElse(null);
     }
+
+    @GetMapping("/gunbuilder/products/{id}")
+    public ResponseEntity<ProductSummaryDto> getGunbuilderProductById(@PathVariable("id") Integer productId) {
+        return productRepository.findById(productId)
+                .map(product -> {
+                    List<ProductOffer> offers = productOfferRepository.findByProductId(productId);
+                    ProductOffer bestOffer = pickBestOffer(offers);
+
+                    BigDecimal price = bestOffer != null ? bestOffer.getEffectivePrice() : null;
+                    String buyUrl = bestOffer != null ? bestOffer.getBuyUrl() : null;
+
+                    return ProductMapper.toSummary(product, price, buyUrl);
+                })
+                .map(ResponseEntity::ok)
+                .orElseGet(() -> ResponseEntity.notFound().build());
+    }
 }

src/main/java/group/goforward/battlbuilder/services/GunbuilderProductService.java

@@ -12,6 +12,7 @@ import group.goforward.battlbuilder.model.ImportStatus;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.List;
+import java.util.Optional;
 
 
 @Service
@@ -132,6 +133,44 @@ public class GunbuilderProductService {
         return listGunbuilderProducts(platform, partRoles);
     }
 
+    public Optional<GunbuilderProductDto> getGunbuilderProductById(String id) {
+        if (id == null || id.isBlank()) {
+            return Optional.empty();
+        }
+
+        Integer numericId;
+        try {
+            numericId = Integer.parseInt(id);
+        } catch (NumberFormatException ex) {
+            return Optional.empty();
+        }
+
+        return productRepository.findById(numericId)
+                .map(p -> {
+                    String platform = p.getPlatform();
+
+                    PartCategory cat = partCategoryResolverService
+                            .resolveForPlatformAndPartRole(platform, p.getPartRole())
+                            .orElse(null);
+
+                    String categorySlug = (cat != null) ? cat.getSlug() : "unmapped";
+                    String categoryGroup = (cat != null) ? cat.getGroupName() : "Unmapped";
+
+                    return new GunbuilderProductDto(
+                            p.getId(),
+                            p.getName(),
+                            p.getBrand().getName(),
+                            platform,
+                            p.getPartRole(),
+                            p.getBestOfferPrice(),
+                            p.getMainImageUrl(),
+                            p.getBestOfferBuyUrl(),
+                            categorySlug,
+                            categoryGroup
+                    );
+                });
+    }
+
     /**
      * Tiny helper used ONLY by /test-products-db to prove DB wiring.
      */

src/main/java/group/goforward/battlbuilder/web/dto/ProductDto.java

@@ -0,0 +1,23 @@
+// src/main/java/com/ballistic/gunbuilder/api/dto/GunbuilderProductDto.java
+package group.goforward.battlbuilder.web.dto;
+
+import java.math.BigDecimal;
+
+public class ProductDto {
+    private String id;
+    private String name;
+    private String brand;
+    private String platform;
+    private String partRole;
+    private BigDecimal price;
+    private String imageUrl;
+    private String buyUrl;
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+}

src/main/java/group/goforward/battlbuilder/web/dto/ProductSummaryDto.java

@@ -12,6 +12,8 @@ public class ProductSummaryDto {
     private String categoryKey;
     private BigDecimal price;   
     private String buyUrl;
+    private String imageUrl;
+
 
     public String getId() {
         return id;
@@ -76,4 +78,8 @@ public class ProductSummaryDto {
     public void setBuyUrl(String buyUrl) {
         this.buyUrl = buyUrl;
     }
+
+    public String getImageUrl() { return imageUrl; }
+
+    public void setImageUrl(String imageUrl) { this.imageUrl = imageUrl; }
 }

src/main/java/group/goforward/battlbuilder/web/mapper/ProductMapper.java

@@ -25,6 +25,10 @@ public class ProductMapper {
         dto.setPrice(price);
         dto.setBuyUrl(buyUrl);
 
+        // product image
+        dto.setImageUrl(product.getMainImageUrl());
+
+
         return dto;
     }
 }