Generate session code

pom.xml

@@ -38,11 +38,14 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-websocket</artifactId>
 		</dependency>
-
+		<dependency>
+			<groupId>com.google.code.gson</groupId>
+			<artifactId>gson</artifactId>
+			<version>2.10.1</version>
+		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>
-			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.data</groupId>

src/main/java/callhub/connect/CallhubconnectApplication.java

@@ -12,8 +12,6 @@
 
 @SpringBootApplication
 @Configuration
-@EnableAutoConfiguration
-@ComponentScan
 public class CallhubconnectApplication {
 
 	@Value("${azure}")
@@ -28,10 +26,15 @@ public WebMvcConfigurer corsConfigurer() {
 		return new WebMvcConfigurer() {
 			@Override
 			public void addCorsMappings(CorsRegistry registry) {
-				registry.addMapping("/**").allowedOrigins("azureEndpoint");
-				registry.addMapping("/**").allowedOrigins("http://localhost:8080/");
-				registry.addMapping("/**").allowedOrigins("http://localhost:3000/");
-				registry.addMapping("/**").allowedOrigins("https://callhub.netlify.app/");
+				registry.addMapping("/**").
+						allowedOrigins(
+								"http://localhost:8080",
+								"http://localhost:3000",
+								"https://callhub.netlify.app",
+								azureEndpoint // Use the actual value of azureEndpoint
+						).allowedMethods("GET", "POST", "PUT", "DELETE")
+						.allowedHeaders("*")
+						.allowCredentials(true);
 			}
 		};
 	}

src/main/java/callhub/connect/MainController.java

@@ -1,7 +1,7 @@
 package callhub.connect;
 
 import callhub.connect.entities.Message;
-import callhub.connect.use_case.MessageRepository;
+import callhub.connect.data_access.MessageRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
 import org.springframework.web.bind.annotation.*;

src/main/java/callhub/connect/use_case/MessageRepository.java → src/main/java/callhub/connect/data_access/MessageRepository.java

@@ -1,4 +1,4 @@
-package callhub.connect.use_case;
+package callhub.connect.data_access;
 import callhub.connect.entities.Message;
 import org.springframework.data.mongodb.repository.MongoRepository;
 import org.springframework.data.mongodb.repository.Query;

src/main/java/callhub/connect/data_access/SessionRepository.java

@@ -0,0 +1,11 @@
+package callhub.connect.data_access;
+
+import callhub.connect.entities.Session;
+import org.springframework.data.mongodb.repository.MongoRepository;
+
+public interface SessionRepository  extends MongoRepository<Session, String> {
+
+    boolean existsByCodeAndActive(String code, boolean active);
+
+    Session getSessionsByActiveAndCode(boolean active, String code);
+}

src/main/java/callhub/connect/entities/Session.java

@@ -0,0 +1,36 @@
+package callhub.connect.entities;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.mongodb.core.mapping.Document;
+
+import java.sql.Timestamp;
+import java.util.ArrayList;
+
+@Document("sessions")
+public class Session {
+    @Id
+    private String id;
+
+    private String code;
+    private java.util.Date startTime;
+
+    private boolean active;
+    private ArrayList<Message> messages;
+    // private ArrayList<> documents;
+
+    public Session(boolean active, String code){
+        this.active = active;
+        this.messages = new ArrayList<Message>();
+        this.startTime = new java.util.Date(System.currentTimeMillis());
+        this.code = code;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public String getCode() {
+        return code;
+    }
+
+}

src/main/java/callhub/connect/use_case/SessionController.java

@@ -0,0 +1,72 @@
+package callhub.connect.use_case;
+
+import callhub.connect.data_access.MessageRepository;
+import callhub.connect.data_access.SessionRepository;
+import callhub.connect.entities.Message;
+import callhub.connect.entities.Session;
+import com.google.gson.Gson;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.security.SecureRandom;
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.HashMap;
+
+@RestController
+@RequestMapping("/session")
+public class SessionController {
+
+    public SessionRepository sessionRepository;
+    private static final Gson gson = new Gson();
+
+    private final static int CODE_LENGTH = 6;
+
+    public SessionController(SessionRepository sessionRepository){
+        this.sessionRepository = sessionRepository;
+    }
+
+    @GetMapping("/new-session")
+    public ResponseEntity<String> newSession() {
+        HttpHeaders headers = new HttpHeaders();
+        Session session = sessionRepository.save(new Session(true, generateSessionCode()));
+        // Create response
+        HashMap<String, String> responseBody = new HashMap<>();
+        responseBody.put("sessionCode", session.getCode());
+        responseBody.put("sessionId", session.getId());
+        return new ResponseEntity<>(gson.toJson(responseBody), headers, HttpStatus.OK);
+    }
+
+    @GetMapping("/join/{code}")
+    public ResponseEntity<String> joinSession(@PathVariable String code) {
+        HttpHeaders headers = new HttpHeaders();
+        Session session = sessionRepository.getSessionsByActiveAndCode(true, code);
+        // Create response
+        HashMap<String, String> responseBody = new HashMap<>();
+        responseBody.put("sessionCode", session.getCode());
+        responseBody.put("sessionId", session.getId());
+        return new ResponseEntity<>(gson.toJson(responseBody), headers, HttpStatus.OK);
+    }
+
+    private String generateSessionCode(){
+        final String ALLOWED_CHAR = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+        SecureRandom random = new SecureRandom();
+        StringBuilder code = new StringBuilder(CODE_LENGTH);
+        do {
+            for (int i = 0; i < CODE_LENGTH; i++) {
+                code.append(ALLOWED_CHAR.charAt(random.nextInt(ALLOWED_CHAR.length())));
+            }
+
+        } while (sessionRepository.existsByCodeAndActive(code.toString(), true)); //ensures code is unique
+
+        return code.toString();
+    }
+
+
+}