feat: add user leveling and experience system

src/main/java/com/openisle/controller/CommentController.java

@@ -3,6 +3,7 @@ package com.openisle.controller;
 import com.openisle.model.Comment;
 import com.openisle.service.CommentService;
 import com.openisle.service.CaptchaService;
+import com.openisle.service.LevelService;
 import lombok.Data;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
@@ -19,6 +20,7 @@ import java.util.stream.Collectors;
 @RequiredArgsConstructor
 public class CommentController {
     private final CommentService commentService;
+    private final LevelService levelService;
     private final CaptchaService captchaService;
 
     @Value("${app.captcha.enabled:false}")
@@ -35,7 +37,9 @@ public class CommentController {
             return ResponseEntity.badRequest().build();
         }
         Comment comment = commentService.addComment(auth.getName(), postId, req.getContent());
-        return ResponseEntity.ok(toDto(comment));
+        CommentDto dto = toDto(comment);
+        dto.setReward(levelService.awardForComment(auth.getName()));
+        return ResponseEntity.ok(dto);
     }
 
     @PostMapping("/comments/{commentId}/replies")
@@ -46,7 +50,9 @@ public class CommentController {
             return ResponseEntity.badRequest().build();
         }
         Comment comment = commentService.addReply(auth.getName(), commentId, req.getContent());
-        return ResponseEntity.ok(toDto(comment));
+        CommentDto dto = toDto(comment);
+        dto.setReward(levelService.awardForComment(auth.getName()));
+        return ResponseEntity.ok(dto);
     }
 
     @GetMapping("/posts/{postId}/comments")
@@ -76,6 +82,7 @@ public class CommentController {
         dto.setContent(comment.getContent());
         dto.setCreatedAt(comment.getCreatedAt());
         dto.setAuthor(toAuthorDto(comment.getAuthor()));
+        dto.setReward(0);
         return dto;
     }
 
@@ -100,6 +107,7 @@ public class CommentController {
         private LocalDateTime createdAt;
         private AuthorDto author;
         private List<CommentDto> replies;
+        private int reward;
     }
 
     @Data

src/main/java/com/openisle/controller/PostController.java

@@ -10,6 +10,7 @@ import com.openisle.service.CaptchaService;
 import com.openisle.service.DraftService;
 import com.openisle.service.SubscriptionService;
 import com.openisle.service.UserVisitService;
+import com.openisle.service.LevelService;
 import lombok.Data;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
@@ -29,6 +30,7 @@ public class PostController {
     private final CommentService commentService;
     private final ReactionService reactionService;
     private final SubscriptionService subscriptionService;
+    private final LevelService levelService;
     private final CaptchaService captchaService;
     private final DraftService draftService;
     private final UserVisitService userVisitService;
@@ -47,7 +49,9 @@ public class PostController {
         Post post = postService.createPost(auth.getName(), req.getCategoryId(),
                 req.getTitle(), req.getContent(), req.getTagIds());
         draftService.deleteDraft(auth.getName());
-        return ResponseEntity.ok(toDto(post));
+        PostDto dto = toDto(post);
+        dto.setReward(levelService.awardForPost(auth.getName()));
+        return ResponseEntity.ok(dto);
     }
 
     @PutMapping("/{id}")
@@ -187,6 +191,7 @@ public class PostController {
 
         java.time.LocalDateTime last = commentService.getLastCommentTime(post.getId());
         dto.setLastReplyAt(last != null ? last : post.getCreatedAt());
+        dto.setReward(0);
 
         return dto;
     }
@@ -223,6 +228,7 @@ public class PostController {
         dto.setContent(comment.getContent());
         dto.setCreatedAt(comment.getCreatedAt());
         dto.setAuthor(toAuthorDto(comment.getAuthor()));
+        dto.setReward(0);
         return dto;
     }
 
@@ -237,6 +243,7 @@ public class PostController {
         if (reaction.getComment() != null) {
             dto.setCommentId(reaction.getComment().getId());
         }
+        dto.setReward(0);
         return dto;
     }
 
@@ -294,6 +301,7 @@ public class PostController {
         private List<ReactionDto> reactions;
         private java.util.List<AuthorDto> participants;
         private boolean subscribed;
+        private int reward;
     }
 
     @Data
@@ -329,6 +337,7 @@ public class PostController {
         private AuthorDto author;
         private List<CommentDto> replies;
         private List<ReactionDto> reactions;
+        private int reward;
     }
 
     @Data
@@ -338,5 +347,6 @@ public class PostController {
         private String user;
         private Long postId;
         private Long commentId;
+        private int reward;
     }
 }

src/main/java/com/openisle/controller/ReactionController.java

@@ -3,6 +3,7 @@ package com.openisle.controller;
 import com.openisle.model.Reaction;
 import com.openisle.model.ReactionType;
 import com.openisle.service.ReactionService;
+import com.openisle.service.LevelService;
 import lombok.Data;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
@@ -14,6 +15,7 @@ import org.springframework.web.bind.annotation.*;
 @RequiredArgsConstructor
 public class ReactionController {
     private final ReactionService reactionService;
+    private final LevelService levelService;
 
     /**
      * Get all available reaction types.
@@ -31,7 +33,9 @@ public class ReactionController {
         if (reaction == null) {
             return ResponseEntity.noContent().build();
         }
-        return ResponseEntity.ok(toDto(reaction));
+        ReactionDto dto = toDto(reaction);
+        dto.setReward(levelService.awardForReaction(auth.getName()));
+        return ResponseEntity.ok(dto);
     }
 
     @PostMapping("/comments/{commentId}/reactions")
@@ -42,7 +46,9 @@ public class ReactionController {
         if (reaction == null) {
             return ResponseEntity.noContent().build();
         }
-        return ResponseEntity.ok(toDto(reaction));
+        ReactionDto dto = toDto(reaction);
+        dto.setReward(levelService.awardForReaction(auth.getName()));
+        return ResponseEntity.ok(dto);
     }
 
     private ReactionDto toDto(Reaction reaction) {
@@ -56,6 +62,7 @@ public class ReactionController {
         if (reaction.getComment() != null) {
             dto.setCommentId(reaction.getComment().getId());
         }
+        dto.setReward(0);
         return dto;
     }
 
@@ -71,5 +78,6 @@ public class ReactionController {
         private String user;
         private Long postId;
         private Long commentId;
+        private int reward;
     }
 }

src/main/java/com/openisle/controller/UserController.java

@@ -27,6 +27,7 @@ public class UserController {
     private final SubscriptionService subscriptionService;
     private final PostReadService postReadService;
     private final UserVisitService userVisitService;
+    private final LevelService levelService;
 
     @Value("${app.upload.check-type:true}")
     private boolean checkImageType;
@@ -78,6 +79,12 @@ public class UserController {
         return ResponseEntity.ok(toDto(user, auth));
     }
 
+    @PostMapping("/me/signin")
+    public Map<String, Integer> signIn(Authentication auth) {
+        int reward = levelService.awardForSignin(auth.getName());
+        return Map.of("reward", reward);
+    }
+
     @GetMapping("/{identifier}")
     public ResponseEntity<UserDto> getUser(@PathVariable("identifier") String identifier,
                                            Authentication auth) {
@@ -223,6 +230,9 @@ public class UserController {
         dto.setReadPosts(postReadService.countReads(user.getUsername()));
         dto.setLikesSent(reactionService.countLikesSent(user.getUsername()));
         dto.setLikesReceived(reactionService.countLikesReceived(user.getUsername()));
+        dto.setExperience(user.getExperience());
+        dto.setCurrentLevel(levelService.getLevel(user.getExperience()));
+        dto.setNextLevelExp(levelService.nextLevelExp(user.getExperience()));
         if (viewer != null) {
             dto.setSubscribed(subscriptionService.isSubscribed(viewer.getName(), user.getUsername()));
         } else {
@@ -288,6 +298,9 @@ public class UserController {
         private long likesSent;
         private long likesReceived;
         private boolean subscribed;
+        private int experience;
+        private int currentLevel;
+        private int nextLevelExp;
     }
 
     @Data