feat: add PrestashopProxyController and PrestashopClient for API proxying

api/src/main/java/fr/gameovergne/api/controller/prestashop/PrestashopProxyController.java

@@ -0,0 +1,36 @@
+package fr.gameovergne.api.controller.prestashop;
+
+import fr.gameovergne.api.service.prestashop.PrestashopClient;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import jakarta.servlet.http.HttpServletRequest;
+
+@RestController
+@RequestMapping("/api/ps")
+public class PrestashopProxyController {
+
+    private final PrestashopClient prestashopClient;
+
+    public PrestashopProxyController(PrestashopClient prestashopClient) {
+        this.prestashopClient = prestashopClient;
+    }
+
+    /**
+     * Exemple simple : proxy GET sur /api/ps/** -> /api/** sur PrestaShop
+     */
+    @GetMapping("/**")
+    public ResponseEntity<String> proxyGet(HttpServletRequest request) {
+        // Exemple d’URL front : /api/ps/products?display=full
+        String fullPath = request.getRequestURI(); // ex: /api/ps/products
+        String contextPath = request.getContextPath(); // souvent ""
+        String relative = fullPath.substring(contextPath.length()); // /api/ps/products
+
+        // On enlève le préfixe /api/ps pour reconstruire le path à appeler sur PrestaShop
+        String path = relative.replaceFirst("^/api/ps", ""); // -> /products
+
+        String query = request.getQueryString(); // ex: display=full
+
+        return prestashopClient.get(path, query);
+    }
+}

api/src/main/java/fr/gameovergne/api/service/prestashop/PrestashopClient.java

@@ -0,0 +1,44 @@
+package fr.gameovergne.api.service.prestashop;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.*;
+import org.springframework.stereotype.Service;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.web.util.UriComponentsBuilder;
+
+@Service
+public class PrestashopClient {
+
+    private final RestTemplate restTemplate = new RestTemplate();
+
+    private final String baseUrl;
+    private final String basicAuth; // valeur déjà encodée Base64 (Authorization: Basic ...)
+
+    public PrestashopClient(
+            @Value("${prestashop.base-url}") String baseUrl,
+            @Value("${prestashop.basic-auth}") String basicAuth) {
+        this.baseUrl = baseUrl;
+        this.basicAuth = basicAuth;
+    }
+
+    public ResponseEntity<String> get(String path, String query) {
+        // path = ex: "/products"
+        // query = ex: "display=full&limit=10" (facultatif)
+        String url = UriComponentsBuilder
+                .fromHttpUrl(baseUrl)
+                .path("/api")
+                .path(path)
+                .query(query)
+                .build(true)
+                .toUriString();
+
+        HttpHeaders headers = new HttpHeaders();
+        headers.set(HttpHeaders.AUTHORIZATION, "Basic " + basicAuth);
+
+        HttpEntity<Void> entity = new HttpEntity<>(headers);
+
+        return restTemplate.exchange(url, HttpMethod.GET, entity, String.class);
+    }
+
+    // Si tu as besoin de POST/PUT plus tard tu ajoutes d'autres méthodes ici
+}

api/src/main/resources/application.properties

@@ -11,3 +11,6 @@ spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL8Dialect
 spring.jpa.show-sql=true
 
 jwt.secret=a23ac96ce968bf13099d99410b951dd498118851bdfc996a3f844bd68b1b2afd
+
+prestashop.base-url=https://shop.gameovergne.fr
+prestashop.basic-auth=MkFRUEcxM01KOFgxMTdVNkZKNU5HSFBTOTNIRTM0QUI=