Add chat history retrieval: implement /api/site/chat/history endpoint, database query, service logic, and permission checks.

backend/src/main/java/com/alttd/altitudeweb/config/SecurityConfig.java

@@ -75,6 +75,7 @@ public class SecurityConfig {
                                 .requestMatchers("/api/history/admin/**").hasAuthority(PermissionClaimDto.HEAD_MOD.getValue())
                                 .requestMatchers("/api/login/userLogin/**").permitAll()
                                 .requestMatchers("/api/site/chat/**").authenticated()
+                                .requestMatchers("/api/site/chat/history").hasAuthority(PermissionClaimDto.HEAD_MOD.getValue())
                                 .requestMatchers("/api/site/chat/send-admin-chat/**").hasAnyAuthority(PermissionClaimDto.HEAD_MOD.getValue(), PermissionClaimDto.MOD.getValue())
                                 .requestMatchers("/api/site/chat/punish/**").hasAnyAuthority(PermissionClaimDto.HEAD_MOD.getValue(), PermissionClaimDto.MOD.getValue())
                                 .requestMatchers("/api/chat/server/send/**").permitAll()

backend/src/main/java/com/alttd/altitudeweb/controllers/chat/ChatInfoController.java

@@ -1,6 +1,7 @@
 package com.alttd.altitudeweb.controllers.chat;
 
 import com.alttd.altitudeweb.api.ChatInfoApi;
+import com.alttd.altitudeweb.model.ChatMessageDto;
 import com.alttd.altitudeweb.model.PartyNameDto;
 import com.alttd.altitudeweb.model.PlayerNameDto;
 import com.alttd.altitudeweb.services.chat.ChatInfoService;
@@ -9,6 +10,8 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.time.OffsetDateTime;
+import java.util.List;
 import java.util.UUID;
 
 @Slf4j
@@ -43,4 +46,11 @@ public class ChatInfoController implements ChatInfoApi {
                 .orElse(ResponseEntity.notFound().build());
     }
 
+    @Override
+    public ResponseEntity<List<ChatMessageDto>> getChatHistory(OffsetDateTime from, OffsetDateTime to) {
+        List<ChatMessageDto> chatMessageDtoList = chatInfoService.getHistory(from.toInstant(), to.toInstant()).join()
+                .stream().map(ChatMessageMapper::toDto).toList();
+        return ResponseEntity.ok(chatMessageDtoList);
+    }
+
 }

backend/src/main/java/com/alttd/altitudeweb/controllers/chat/ChatMessageMapper.java

@@ -8,6 +8,7 @@ import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import lombok.experimental.UtilityClass;
 
+import java.time.ZoneOffset;
 import java.util.UUID;
 
 @UtilityClass
@@ -74,4 +75,28 @@ public class ChatMessageMapper {
             throw new IllegalStateException("Failed to serialize ChatMessage to JSON: " + chatMessage.getUuid(), e);
         }
     }
+
+    public static ChatMessageDto toDto(ChatMessage chatMessage) {
+        ChatMessageDto chatMessageDto = new ChatMessageDto();
+        chatMessageDto.setUuid(chatMessage.getUuid());
+        chatMessageDto.setTimestamp(chatMessage.getTimestamp().atOffset(ZoneOffset.UTC));
+        chatMessageDto.setServer(chatMessage.getServer());
+        chatMessageDto.setType(toDto(chatMessage.getType()));
+        chatMessageDto.setChannel(chatMessage.getChannel());
+        chatMessageDto.setReceiver(chatMessage.getReceiver());
+        chatMessageDto.setMessage(chatMessage.getMessageJson());
+        chatMessageDto.setBlocked(chatMessage.isNotBlocked());
+        return chatMessageDto;
+    }
+
+    public static ChatMessageDto.TypeEnum toDto(ChatMessageType chatMessageType) {
+        return switch (chatMessageType) {
+            case PUBLIC -> ChatMessageDto.TypeEnum.PUBLIC;
+            case GLOBAL -> ChatMessageDto.TypeEnum.GLOBAL;
+            case PARTY -> ChatMessageDto.TypeEnum.PARTY;
+            case GAC -> ChatMessageDto.TypeEnum.GAC;
+            case MSG -> ChatMessageDto.TypeEnum.MSG;
+            case CUSTOM -> ChatMessageDto.TypeEnum.CUSTOM;
+        };
+    }
 }

backend/src/main/java/com/alttd/altitudeweb/services/chat/ChatInfoService.java

@@ -1,6 +1,9 @@
 package com.alttd.altitudeweb.services.chat;
 
+import com.alttd.altitudeweb.controllers.chat.ChatMessage;
+import com.alttd.altitudeweb.controllers.chat.ChatMessageMapper;
 import com.alttd.altitudeweb.database.Databases;
+import com.alttd.altitudeweb.database.chat.ChatLogMapper;
 import com.alttd.altitudeweb.database.chat.NicknameMapper;
 import com.alttd.altitudeweb.database.chat.PartyMapper;
 import com.alttd.altitudeweb.database.luckperms.UUIDUsernameMapper;
@@ -10,8 +13,11 @@ import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 
+import java.time.Instant;
+import java.util.List;
 import java.util.Optional;
 import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
 
 @Slf4j
 @Service
@@ -41,4 +47,24 @@ public class ChatInfoService {
                 .runQueryWithResult(sqlSession -> sqlSession.getMapper(PartyMapper.class).getPartyName(id));
     }
 
+
+    public CompletableFuture<List<ChatMessage>> getHistory(Instant from, Instant to) {
+        CompletableFuture<List<ChatMessage>> completableFuture = new CompletableFuture<>();
+        Connection.getConnection(Databases.CHAT)
+                .runQuery(sqlSession -> {
+                    log.debug("Loading chat history from {} to {}", from, to);
+                    try {
+                        List<ChatMessage> list = sqlSession.getMapper(ChatLogMapper.class)
+                                .getChatLogHistory(from.toEpochMilli(), to.toEpochMilli())
+                                .stream()
+                                .map(ChatMessageMapper::fromDao)
+                                .toList();
+                        completableFuture.complete(list);
+                    } catch (Exception e) {
+                        log.error("Failed to load history count", e);
+                    }
+                });
+        return completableFuture;
+    }
+
 }

database/src/main/java/com/alttd/altitudeweb/database/chat/ChatLogMapper.java

@@ -16,6 +16,15 @@ public interface ChatLogMapper {
             """)
     List<ChatLogDao> getChatLogs(@Param("since") long since);
 
+    @Select("""
+            SELECT uuid, time_stamp, server, type, channel, receiver, mini_message, blocked
+            FROM chat_log
+            WHERE mini_message IS NOT NULL
+            AND time_stamp >= #{since}
+            AND time_stamp <= #{to}
+            """)
+    List<ChatLogDao> getChatLogHistory(@Param("since") long since, @Param("to") long to);
+
     @Select("""
             SELECT party_id FROM chat_users
             WHERE uuid = #{uuid}