#31 core back-end api implementation

core-back-end/src/main/java/org/student/api/ArtifactsController.java

@@ -1,22 +1,23 @@
 package org.student.api;
 
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
-import org.springframework.web.bind.annotation.*;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.student.api.models.ArtifactCreateRequest;
-import org.student.api.models.ArtifactCreateResponce;
+import org.student.api.models.ArtifactResponse;
 import reactor.core.publisher.Mono;
 
-@RestController
-@RequestMapping("api/v1/artifacts")
-public class ArtifactsController {
-
-    private static final Logger logger = LogManager.getLogger(ArtifactsController.class);
+import java.util.List;
+import java.util.UUID;
 
+public interface ArtifactsController {
     @PostMapping("/upload")
-    public Mono<ArtifactCreateResponce> uploadFile(@RequestBody ArtifactCreateRequest request) {
-        logger.info("Received artifact: {}", request.toString());
-        return Mono.just(new ArtifactCreateResponce());
-    }
+    Mono<ArtifactResponse> uploadFile(@RequestBody ArtifactCreateRequest request);
+
+    @GetMapping("/getAll")
+    Mono<List<ArtifactResponse>> getAllFiles();
 
+    @GetMapping("/loadArtifact/{id}")
+    Mono<ArtifactResponse> loadArtifact(@PathVariable UUID id);
 }

core-back-end/src/main/java/org/student/api/ArtifactsControllerImpl.java

@@ -0,0 +1,45 @@
+package org.student.api;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.springframework.web.bind.annotation.*;
+import org.student.api.models.ArtifactCreateRequest;
+import org.student.api.models.ArtifactResponse;
+import reactor.core.publisher.Mono;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.UUID;
+
+@RestController
+@RequestMapping("api/v1/artifacts")
+public class ArtifactsControllerImpl implements ArtifactsController {
+
+    private static final Logger logger = LogManager.getLogger(ArtifactsControllerImpl.class);
+
+    @Override
+    @PostMapping("/upload")
+    public Mono<ArtifactResponse> uploadFile(@RequestBody ArtifactCreateRequest request) {
+        logger.info("Received artifact: {}", request.toString());
+        return Mono.just(new ArtifactResponse());
+    }
+
+    @Override
+    @GetMapping("/getAll")
+    public Mono<List<ArtifactResponse>> getAllFiles() {
+
+        List<ArtifactResponse> res = Collections.emptyList();
+        logger.info("Received {} artifacts info from storage.", res.size());
+
+        return Mono.just(res);
+    }
+
+    @Override
+    @GetMapping("/loadArtifact/{id}")
+    public Mono<ArtifactResponse> loadArtifact(@PathVariable UUID id) {
+        logger.info("loading artifact with id {}", id);
+
+        return Mono.just(new ArtifactResponse());
+    }
+
+}

core-back-end/src/main/java/org/student/api/models/ArtifactLoadResponse.java

@@ -0,0 +1,34 @@
+package org.student.api.models;
+
+import java.util.Arrays;
+import java.util.UUID;
+
+public class ArtifactLoadResponse extends ArtifactResponse{
+
+    private byte[] artifactBody;
+
+    public ArtifactLoadResponse(byte[] artifactBody) {
+        this.artifactBody = artifactBody;
+    }
+
+    public ArtifactLoadResponse(UUID id, ArtifactMateInfo metaInfo, byte[] artifactBody) {
+        super(id, metaInfo);
+        this.artifactBody = artifactBody;
+    }
+
+
+    public byte[] getArtifactBody() {
+        return artifactBody;
+    }
+
+    public void setArtifactBody(byte[] artifactBody) {
+        this.artifactBody = artifactBody;
+    }
+
+    @Override
+    public String toString() {
+        return "ArtifactLoadResponse{" +
+                "artifactBody=" + Arrays.toString(artifactBody) +
+                "} " + super.toString();
+    }
+}

core-back-end/src/main/java/org/student/api/models/ArtifactCreateResponce.java → core-back-end/src/main/java/org/student/api/models/ArtifactResponse.java

@@ -2,17 +2,17 @@
 
 import java.util.UUID;
 
-public class ArtifactCreateResponce {
+public class ArtifactResponse {
     private UUID id;
 
     private ArtifactMateInfo metaInfo;
 
-    public ArtifactCreateResponce(UUID id, ArtifactMateInfo metaInfo) {
+    public ArtifactResponse(UUID id, ArtifactMateInfo metaInfo) {
         this.id = id;
         this.metaInfo = metaInfo;
     }
 
-    public ArtifactCreateResponce() {
+    public ArtifactResponse() {
     }
 
     public UUID getId() {

core-back-end/src/test/java/org/student/api/FilesControllerTest.java

@@ -14,7 +14,7 @@
 import org.springframework.web.reactive.function.BodyInserters;
 
 @ExtendWith(SpringExtension.class)
-@WebFluxTest(ArtifactsController.class)
+@WebFluxTest(ArtifactsControllerImpl.class)
 public class FilesControllerTest {
 
     @Autowired