Improvements/swager and additional fixes

src/main/java/org/decepticons/linkshortener/api/dto/UpdateLinkExpirationRequestDto.java

@@ -0,0 +1,24 @@
+package org.decepticons.linkshortener.api.dto;
+
+import java.time.Instant;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NonNull;
+import lombok.Setter;
+
+
+/**
+ * Data Transfer Object (DTO) for updating the expiration date of a shortened link.
+ * This object is used to encapsulate the data required to update the expiration
+ * date of an existing short link in the system.
+ */
+@Getter
+@Setter
+@AllArgsConstructor
+public class UpdateLinkExpirationRequestDto {
+
+  @NonNull
+  private Instant newExpirationDate;
+
+
+}

src/main/java/org/decepticons/linkshortener/api/exceptions/BaseException.java → src/main/java/org/decepticons/linkshortener/api/exception/BaseException.java

@@ -1,4 +1,4 @@
-package org.decepticons.linkshortener.api.exceptions;
+package org.decepticons.linkshortener.api.exception;
 
 /**
  * Base class for custom exceptions in the application.

src/main/java/org/decepticons/linkshortener/api/exceptions/ExpiredTokenException.java → src/main/java/org/decepticons/linkshortener/api/exception/ExpiredTokenException.java

@@ -1,4 +1,6 @@
-package org.decepticons.linkshortener.api.exceptions;
+package org.decepticons.linkshortener.api.exception;
+
+import org.decepticons.linkshortener.api.exception.BaseException;
 
 /**
  * Thrown when a JWT token is expired.

src/main/java/org/decepticons/linkshortener/api/exception/InvalidExpirationDateException.java

@@ -0,0 +1,30 @@
+package org.decepticons.linkshortener.api.exception;
+
+import java.time.Instant;
+import lombok.Getter;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+/**
+ * Exception thrown when an invalid expiration date is provided for a link.
+ * This exception indicates that the provided expiration date does not meet
+ * the required criteria (e.g., it may be in the past or too far in the future).
+ */
+@ResponseStatus(HttpStatus.BAD_REQUEST)
+@Getter
+public class InvalidExpirationDateException extends RuntimeException {
+  private final Instant invalidDate;
+
+  /**
+   * Constructs a new InvalidExpirationDateException with the specified detail message
+   * and the invalid expiration date.
+   *
+   * @param message     the detail message.
+   * @param invalidDate the invalid expiration date that caused this exception.
+   */
+  public InvalidExpirationDateException(String message, Instant invalidDate) {
+    super(message);
+    this.invalidDate = invalidDate;
+  }
+
+}

src/main/java/org/decepticons/linkshortener/api/exceptions/InvalidPasswordException.java → src/main/java/org/decepticons/linkshortener/api/exception/InvalidPasswordException.java

@@ -1,4 +1,6 @@
-package org.decepticons.linkshortener.api.exceptions;
+package org.decepticons.linkshortener.api.exception;
+
+import org.decepticons.linkshortener.api.exception.BaseException;
 
 /**
  * Thrown when a password does not meet complexity requirements.

src/main/java/org/decepticons/linkshortener/api/exceptions/InvalidTokenException.java → src/main/java/org/decepticons/linkshortener/api/exception/InvalidTokenException.java

@@ -1,4 +1,6 @@
-package org.decepticons.linkshortener.api.exceptions;
+package org.decepticons.linkshortener.api.exception;
+
+import org.decepticons.linkshortener.api.exception.BaseException;
 
 /**
  * Thrown when a JWT token is missing, malformed, or invalid.

src/main/java/org/decepticons/linkshortener/api/exceptions/UserAlreadyExistsException.java → src/main/java/org/decepticons/linkshortener/api/exception/UserAlreadyExistsException.java

@@ -1,4 +1,6 @@
-package org.decepticons.linkshortener.api.exceptions;
+package org.decepticons.linkshortener.api.exception;
+
+import org.decepticons.linkshortener.api.exception.BaseException;
 
 /**
  * Thrown when trying to register a user with a username that already exists.

src/main/java/org/decepticons/linkshortener/api/exceptions/UserNotFoundException.java → src/main/java/org/decepticons/linkshortener/api/exception/UserNotFoundException.java

@@ -1,4 +1,6 @@
-package org.decepticons.linkshortener.api.exceptions;
+package org.decepticons.linkshortener.api.exception;
+
+import org.decepticons.linkshortener.api.exception.BaseException;
 
 /**
  * Thrown when a user is not found in the system.