Initial backend

backend/src/main/java/achievements/controllers/Controller.java

@@ -0,0 +1,37 @@
+package achievements.controllers;
+
+import achievements.data.InternalError;
+import achievements.services.DbService;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import static org.springframework.web.bind.annotation.RequestMethod.GET;
+
+@RestController
+public class Controller {
+
+	@Autowired
+	private DbService db;
+
+	public Controller() {}
+
+	@RequestMapping(value = "/achievements", method = GET, produces = "application/json")
+	public ResponseEntity index() {
+		try {
+			var achievements = db.getAchievements();
+			var mapper = new ObjectMapper();
+			if (achievements == null) {
+				return new ResponseEntity(mapper.writeValueAsString(new InternalError("Could not get achievements from database")), HttpStatus.INTERNAL_SERVER_ERROR);
+			} else {
+				return new ResponseEntity(mapper.writeValueAsString(achievements), HttpStatus.OK);
+			}
+		} catch (JsonProcessingException e) {
+			e.printStackTrace();
+			return new ResponseEntity("{}", HttpStatus.INTERNAL_SERVER_ERROR);
+		}
+	}
+}