feat(stream): connect nginx with backend with controllers

src/main/java/com/ddf/vodsystem/controllers/GlobalExceptionHandler.java

@@ -1,9 +1,11 @@
 package com.ddf.vodsystem.controllers;
 
 import com.ddf.vodsystem.dto.APIResponse;
+import com.ddf.vodsystem.exceptions.AlreadyStreaming;
 import com.ddf.vodsystem.exceptions.FFMPEGException;
 import com.ddf.vodsystem.exceptions.JobNotFinished;
 import com.ddf.vodsystem.exceptions.JobNotFound;
+import com.ddf.vodsystem.exceptions.KeyNotFound;
 import com.ddf.vodsystem.exceptions.NotAuthenticated;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
@@ -76,4 +78,18 @@ public class GlobalExceptionHandler {
         APIResponse<Void> response = new APIResponse<>(ERROR, ex.getMessage(), null);
         return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body(response);
     }
+
+    @ExceptionHandler(KeyNotFound.class)
+    public ResponseEntity<APIResponse<Void>> handleKeyNotFound(KeyNotFound ex) {
+        logger.error("KeyNotFound: {}", ex.getMessage());
+        APIResponse<Void> response = new APIResponse<>(ERROR, ex.getMessage(), null);
+        return ResponseEntity.status(HttpStatus.NOT_FOUND).body(response);
+    }
+
+    @ExceptionHandler(AlreadyStreaming.class)
+    public ResponseEntity<APIResponse<Void>> handleAlreadyStreaming(AlreadyStreaming ex) {
+        logger.error("AlreadyStreaming: {}", ex.getMessage());
+        APIResponse<Void> response = new APIResponse<>(ERROR, ex.getMessage(), null);
+        return ResponseEntity.status(HttpStatus.CONFLICT).body(response);
+    }
 }

src/main/java/com/ddf/vodsystem/controllers/StreamController.java

@@ -0,0 +1,52 @@
+package com.ddf.vodsystem.controllers;
+
+import com.ddf.vodsystem.dto.APIResponse;
+import com.ddf.vodsystem.entities.Stream;
+import com.ddf.vodsystem.services.StreamService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/api/v1/stream")
+public class StreamController {
+    private static final Logger logger = LoggerFactory.getLogger(StreamController.class);
+
+    private final StreamService streamService;
+
+    public StreamController(StreamService streamService) {
+        this.streamService = streamService;
+    }
+
+    // Called by nginx on_publish
+    @PostMapping("/start")
+    public ResponseEntity<APIResponse<Stream>> startStream(@RequestParam("name") String streamKey) {
+        logger.info("Stream start callback for key: {}", streamKey);
+        Stream stream = streamService.startStream(streamKey);
+        return ResponseEntity.ok(new APIResponse<>("success", "Stream started", stream));
+    }
+
+    // Called by nginx on_publish_done
+    @PostMapping("/stop")
+    public ResponseEntity<APIResponse<Void>> stopStream(@RequestParam("name") String streamKey) {
+        logger.info("Stream stop callback for key: {}", streamKey);
+        streamService.endStream(streamKey);
+        return ResponseEntity.ok(new APIResponse<>("success", "Stream ended", null));
+    }
+
+    // Called by nginx on_update
+    @PostMapping("/heartbeat")
+    public ResponseEntity<APIResponse<Void>> heartbeat(@RequestParam("name") String streamKey) {
+        streamService.heartbeatStream(streamKey);
+        return ResponseEntity.ok(new APIResponse<>("success", "Heartbeat recorded", null));
+    }
+
+    @GetMapping("/history/{userId}")
+    public ResponseEntity<APIResponse<List<Stream>>> getStreamHistory(@PathVariable Long userId) {
+        List<Stream> history = streamService.getStreamHistory(userId);
+        return ResponseEntity.ok(new APIResponse<>("success", "Stream history retrieved", history));
+    }
+}