feat<chat>: 添加Redis作为对话记忆的持久化存储

pom.xml

@@ -57,6 +57,14 @@
             <artifactId>jasypt-spring-boot-starter</artifactId>
             <version>3.0.5</version>
         </dependency>
+        <dependency>
+            <groupId>com.alibaba.cloud.ai</groupId>
+            <artifactId>spring-ai-alibaba-starter-memory-redis</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-redis</artifactId>
+        </dependency>
 
     </dependencies>
     <dependencyManagement>

src/main/java/com/hanserwei/snailsai/config/ChatClientConfiguration.java

@@ -1,19 +1,57 @@
 package com.hanserwei.snailsai.config;
 
 import com.alibaba.cloud.ai.dashscope.chat.DashScopeChatModel;
+import com.alibaba.cloud.ai.memory.redis.BaseRedisChatMemoryRepository;
+import com.alibaba.cloud.ai.memory.redis.LettuceRedisChatMemoryRepository;
 import jakarta.annotation.Resource;
 import org.springframework.ai.chat.client.ChatClient;
+import org.springframework.ai.chat.client.advisor.PromptChatMemoryAdvisor;
+import org.springframework.ai.chat.client.advisor.SimpleLoggerAdvisor;
+import org.springframework.ai.chat.memory.ChatMemory;
+import org.springframework.ai.chat.memory.MessageWindowChatMemory;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
 @Configuration
 public class ChatClientConfiguration {
 
+    @Value("${spring.ai.memory.redis.host}")
+    private String redisHost;
+    @Value("${spring.ai.memory.redis.port}")
+    private int redisPort;
+    @Value("${spring.ai.memory.redis.password}")
+    private String redisPassword;
+    @Value("${spring.ai.memory.redis.timeout}")
+    private int redisTimeout;
+
+
     @Resource
     private DashScopeChatModel dashScopeChatModel;
 
     @Bean
-    public ChatClient dashScopeChatClient() {
+    public BaseRedisChatMemoryRepository redisChatMemoryRepository() {
-        return ChatClient.builder(dashScopeChatModel).build();
+        // 构建RedissonRedisChatMemoryRepository实例
+        return LettuceRedisChatMemoryRepository.builder()
+                .host(redisHost)
+                .port(redisPort)
+                .password(redisPassword)
+                .timeout(redisTimeout)
+                .build();
+    }
+
+    @Bean
+    public ChatMemory chatMemory(BaseRedisChatMemoryRepository chatMemoryRepository) {
+        return MessageWindowChatMemory
+                .builder()
+                .maxMessages(100000)
+                .chatMemoryRepository(chatMemoryRepository).build();
+    }
+
+    @Bean
+    public ChatClient dashScopeChatClient(ChatMemory chatMemory) {
+        return ChatClient.builder(dashScopeChatModel)
+                .defaultAdvisors(PromptChatMemoryAdvisor.builder(chatMemory).build(), new SimpleLoggerAdvisor())
+                .build();
     }
 }

src/main/java/com/hanserwei/snailsai/config/CorsConfig.java

@@ -0,0 +1,19 @@
+package com.hanserwei.snailsai.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class CorsConfig implements WebMvcConfigurer {
+
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        registry.addMapping("/**")  // 匹配所有路径
+                .allowedOriginPatterns("*") // 允许所有域名（生产环境应指定具体域名）
+                .allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS") // 允许的请求方法
+                .allowedHeaders("*") // 允许所有请求头
+                .allowCredentials(true) // 允许发送 Cookie
+                .maxAge(3600); // 预检请求的有效期（秒）
+    }
+}

src/main/java/com/hanserwei/snailsai/controller/DashScopeController.java

@@ -1,7 +1,9 @@
 package com.hanserwei.snailsai.controller;
 
+import com.hanserwei.snailsai.model.ChatMessageDTO;
 import jakarta.annotation.Resource;
 import org.springframework.ai.chat.client.ChatClient;
+import org.springframework.ai.chat.memory.ChatMemory;
 import org.springframework.http.MediaType;
 import org.springframework.web.bind.annotation.*;
 import reactor.core.publisher.Flux;
@@ -15,9 +17,10 @@ public class DashScopeController {
     private ChatClient dashScopeChatClient;
 
     @PostMapping(value = "/chat",produces = MediaType.TEXT_EVENT_STREAM_VALUE)
-    public Flux<String> chat(@RequestBody String userPrompt) {
+    public Flux<String> chat(@RequestBody ChatMessageDTO chatMessageDTO) {
         return dashScopeChatClient.prompt()
-                .user(userPrompt)
+                .user(chatMessageDTO.getMessage())
+                .advisors(e-> e.param(ChatMemory.CONVERSATION_ID,chatMessageDTO.getConversionId()))
                 .stream()
                 .content();
     }

src/main/java/com/hanserwei/snailsai/model/ChatMessageDTO.java

@@ -0,0 +1,17 @@
+package com.hanserwei.snailsai.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+public class ChatMessageDTO {
+
+    private String message;
+
+    private Long conversionId;
+}

src/main/resources/config/application.yml

@@ -1,4 +1,9 @@
 #file: noinspection SpringBootConfigYamlInspection
+server:
+  servlet:
+    encoding:
+      charset: utf-8
+      force: true
 spring:
   application:
     name: snails-ai
@@ -12,6 +17,20 @@ spring:
       hibernate.format_sql: true
       # 开启 SQL 语法高亮 (重点：让 SQL 醒目)
       hibernate.highlight_sql: true
+  data:
+    redis:
+      host: localhost
+      port: 6379
+      password: redis
+      database: 4
+      lettuce:
+        pool:
+          enabled: true
+          max-active: 20
+          max-idle: 10
+          max-wait: 10000
+          min-idle: 10
+          time-between-eviction-runs: 10000
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
     url: jdbc:mysql://127.0.0.1:3306/snails_ai?useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&allowMultiQueries=true&useSSL=false&allowPublicKeyRetrieval=true
@@ -24,6 +43,12 @@ spring:
       connection-timeout: 5000    # 获取连接超时 5 秒
       max-lifetime: 28800000      # 8 小时（确保在数据库连接超时前被回收）
   ai:
+    memory:
+      redis:
+        host: localhost
+        port: 6379
+        timeout: 5000
+        password: redis
     dashscope:
       api-key: ENC(cMgcKZkFllyE88DIbGwLKot9Vg02co+gsmY8L8o4/o3UjhcmqO4lJzFU35Sx0n+qFG8pDL0wBjoWrT8X6BuRw9vNlQhY1LgRWHaF9S1zzyM=)
       chat:
@@ -35,6 +60,7 @@ logging:
     org.hibernate.SQL: debug
     # 隐藏掉 Hibernate 冗长的连接池 INFO 信息
     org.hibernate.orm.connections.pooling: WARN
+    org.springframework.ai.chat.client.advisor: DEBUG
 jasypt:
   encryptor:
     password: ${jasypt.encryptor.password}