bff/README.md

@@ -11,4 +11,8 @@ The application will be available at http://localhost:8080 and tracing telemetry
 If running via some other means start the containers with `docker compose up`.
 Make sure you're using the correct JVM arguments (`--enable-preview`).
 Optionally add `-javaagent:opentelemetry-javaagent.jar -Dotel.javaagent.configuration-file=opentelemetry-javaagent.properties`
-to enable OpenTelemetry tracing.
+to enable OpenTelemetry tracing.
+
+## Mocking backend APIs
+[Apimposter](https://gitea.dsv.su.se/DMC/apimposter) is used to mock the backend APIs.
+The mock data is defined in `src/mock-api`. See the linked documentation for details on how to define the mock data.

bff/compose.yaml

@@ -7,3 +7,13 @@ services:
     ports:
       - "4318:4318" # OpenTelemetry Collector
       - "16686:16686" # Jaeger UI
+  mock-apis:
+    build: https://gitea.dsv.su.se/DMC/apimposter.git
+    restart: unless-stopped
+    ports:
+      - '63163:8080'
+    environment:
+      MOCK_BASE_PATH: / # HTTP base path for the mock server
+      MOCK_FILE_PATH: /mocks
+    volumes:
+      - ./src/mock-api:/mocks

bff/src/main/java/se/su/dsv/studentportalen/bff/BackendApiConfiguration.java

@@ -0,0 +1,7 @@
+package se.su.dsv.studentportalen.bff;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties("se.su.dsv.backend-api")
+public record BackendApiConfiguration(String daisyUrl) {
+}

bff/src/main/java/se/su/dsv/studentportalen/bff/Studentportalen.java

@@ -2,9 +2,13 @@ package se.su.dsv.studentportalen.bff;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.ConfigurationPropertiesScan;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
 
 @SpringBootApplication
+@EnableConfigurationProperties
+@ConfigurationPropertiesScan
 public class Studentportalen extends SpringBootServletInitializer {
     public static void main(String[] args) {
         SpringApplication.run(Studentportalen.class, args);

bff/src/main/java/se/su/dsv/studentportalen/bff/TestController.java

@@ -16,8 +16,10 @@ import java.util.concurrent.StructuredTaskScope.Subtask;
 public class TestController {
 
     private final RestClient restClient;
+    private final BackendApiConfiguration backendApiConfiguration;
 
-    public TestController() {
+    public TestController(final BackendApiConfiguration backendApiConfiguration) {
+        this.backendApiConfiguration = backendApiConfiguration;
         this.restClient = RestClient.builder()
                 .baseUrl("http://localhost:8080")
                 .build();
@@ -43,6 +45,15 @@ public class TestController {
                 return email;
             });
 
+            Subtask<DaisyProfile> daisyProfile = scope.fork(() -> {
+                DaisyProfile profile = restClient.get()
+                        .uri(backendApiConfiguration.daisyUrl(), builder -> builder
+                                .path("/profile")
+                                .build())
+                        .retrieve()
+                        .body(DaisyProfile.class);
+                return profile;
+            });
 
             // Wait for all tasks to complete (either success or failure)
             scope.join();
@@ -50,9 +61,10 @@ public class TestController {
             // Error if any task failed (or check each individual subtask for partial responses)
             scope.throwIfFailed();
 
-            return "Hello, I am %s and my email is %s.".formatted(
+            return "Hello, I am %s and my email is %s. My Daisy profile is: %s".formatted(
                     nameTask.get(),
-                    emailTask.get());
+                    emailTask.get(),
+                    daisyProfile.get());
         }
     }
 
@@ -67,4 +79,6 @@ public class TestController {
         Thread.sleep(Duration.ofSeconds(3));
         return "greg@localhost";
     }
+
+    record DaisyProfile(String name, String mail) {}
 }

bff/src/main/resources/application-development.yaml

@@ -0,0 +1,5 @@
+se:
+  su:
+    dsv:
+      backend-api:
+        daisy-url: http://localhost:63163/daisy

bff/src/mock-api/daisy/profile.yaml

@@ -0,0 +1,10 @@
+- method: "GET"
+  path: "/"
+  delay: 200
+  response:
+    status: 200
+    headers:
+      Content-Type: "application/json"
+    body:
+      name: "Gregorious the Glorious"
+      mail: "greg_da_great@localhost"