!12 【优化】AI 写作：1. 优先获取写作角色；2. 优化写作提示词

Merge pull request !12 from 小新/master-jdk21-ai

yudao-module-ai/yudao-module-ai-api/src/main/java/cn/iocoder/yudao/module/ai/enums/write/AiWriteTypeEnum.java

@@ -1,5 +1,7 @@
 package cn.iocoder.yudao.module.ai.enums.write;
 
+import cn.hutool.core.util.ArrayUtil;
+import cn.hutool.core.util.StrUtil;
 import cn.iocoder.yudao.framework.common.core.IntArrayValuable;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
@@ -15,8 +17,8 @@ import java.util.Arrays;
 @Getter
 public enum AiWriteTypeEnum implements IntArrayValuable {
 
-    WRITING(1, "撰写"),
-    REPLY(2, "回复");
+    WRITING(1, "撰写", "请撰写一篇关于 [{}] 的文章。文章的内容格式：{}，语气：{}，语言：{}，长度：{}。请确保涵盖主要内容，不需要除了正文内容外的其他回复，如标题、额外的解释或道歉。"),
+    REPLY(2, "回复", "请针对如下内容：[{}] 做个回复。回复内容参考：[{}], 回复格式：{}，语气：{}，语言：{}，长度：{}。不需要除了正文内容外的其他回复，如标题、开头、额外的解释或道歉。");
 
     /**
      * 类型
@@ -27,6 +29,11 @@ public enum AiWriteTypeEnum implements IntArrayValuable {
      */
     private final String name;
 
+    /**
+     * 模版
+     */
+    private final String template;
+
     public static final int[] ARRAYS = Arrays.stream(values()).mapToInt(AiWriteTypeEnum::getType).toArray();
 
     @Override
@@ -34,4 +41,9 @@ public enum AiWriteTypeEnum implements IntArrayValuable {
         return ARRAYS;
     }
 
+    public static void validateType(Integer type) {
+        if (ArrayUtil.contains(ARRAYS, type)) return;
+        throw new IllegalArgumentException(StrUtil.format("未知写作类型({})", type));
+    }
+
 }

yudao-module-ai/yudao-module-ai-biz/src/main/java/cn/iocoder/yudao/module/ai/service/write/AiWriteServiceImpl.java

@@ -1,13 +1,17 @@
 package cn.iocoder.yudao.module.ai.service.write;
 
+import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.util.StrUtil;
 import cn.iocoder.yudao.framework.ai.core.enums.AiPlatformEnum;
 import cn.iocoder.yudao.framework.ai.core.util.AiUtils;
 import cn.iocoder.yudao.framework.common.pojo.CommonResult;
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
 import cn.iocoder.yudao.framework.tenant.core.util.TenantUtils;
+import cn.iocoder.yudao.module.ai.controller.admin.model.vo.chatRole.AiChatRolePageReqVO;
 import cn.iocoder.yudao.module.ai.controller.admin.write.vo.AiWriteGenerateReqVO;
 import cn.iocoder.yudao.module.ai.dal.dataobject.model.AiChatModelDO;
+import cn.iocoder.yudao.module.ai.dal.dataobject.model.AiChatRoleDO;
 import cn.iocoder.yudao.module.ai.dal.dataobject.write.AiWriteDO;
 import cn.iocoder.yudao.module.ai.dal.mysql.write.AiWriteMapper;
 import cn.iocoder.yudao.module.ai.enums.DictTypeConstants;
@@ -15,6 +19,7 @@ import cn.iocoder.yudao.module.ai.enums.ErrorCodeConstants;
 import cn.iocoder.yudao.module.ai.enums.write.AiWriteTypeEnum;
 import cn.iocoder.yudao.module.ai.service.model.AiApiKeyService;
 import cn.iocoder.yudao.module.ai.service.model.AiChatModelService;
+import cn.iocoder.yudao.module.ai.service.model.AiChatRoleService;
 import cn.iocoder.yudao.module.system.api.dict.DictDataApi;
 import jakarta.annotation.Resource;
 import lombok.extern.slf4j.Slf4j;
@@ -25,6 +30,7 @@ import org.springframework.ai.chat.prompt.Prompt;
 import org.springframework.stereotype.Service;
 import reactor.core.publisher.Flux;
 
+import java.util.List;
 import java.util.Objects;
 
 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.error;
@@ -43,6 +49,8 @@ public class AiWriteServiceImpl implements AiWriteService {
     private AiApiKeyService apiKeyService;
     @Resource
     private AiChatModelService chatModalService;
+    @Resource
+    private AiChatRoleService chatRoleService;
 
     @Resource
     private DictDataApi dictDataApi;
@@ -52,15 +60,22 @@ public class AiWriteServiceImpl implements AiWriteService {
 
     @Override
     public Flux<CommonResult<String>> generateWriteContent(AiWriteGenerateReqVO generateReqVO, Long userId) {
-        // 1.1 校验模型 TODO 芋艿 是不是取默认的模型也ok？；那可以，有限拿 chatRole 的角色；如果没有，则获取默认的；
-        AiChatModelDO model = chatModalService.getRequiredDefaultChatModel();
-        StreamingChatModel chatModel = apiKeyService.getChatModel(model.getKeyId());
+        // 1.1 获取写作模型 尝试获取写作助手角色，如果没有则使用默认模型
+        AiChatRoleDO writeRole = selectOneWriteRole();
+        AiChatModelDO model;
+        if (Objects.nonNull(writeRole)) {
+            model = chatModalService.getChatModel(writeRole.getModelId());
+        } else {
+            model = chatModalService.getRequiredDefaultChatModel();
+        }
+
         AiPlatformEnum platform = AiPlatformEnum.validatePlatform(model.getPlatform());
 
+        StreamingChatModel chatModel = apiKeyService.getChatModel(model.getKeyId());
+
         // 1.2 插入写作信息
-        // TODO @xin：建议把 writeDO.setUserId(userId).setModel(model.getModel()).setPlatform(platform.getPlatform())，写在 toBean 的 consumer 里；原因是，让这个 set 保持完整性
-        AiWriteDO writeDO = BeanUtils.toBean(generateReqVO, AiWriteDO.class);
-        writeMapper.insert(writeDO.setUserId(userId).setModel(model.getModel()).setPlatform(platform.getPlatform()));
+        AiWriteDO writeDO = BeanUtils.toBean(generateReqVO, AiWriteDO.class, e -> e.setUserId(userId).setModel(model.getModel()).setPlatform(platform.getPlatform()));
+        writeMapper.insert(writeDO);
 
         // 2.1 构建提示词
         ChatOptions chatOptions = AiUtils.buildChatOptions(platform, model.getModel(), model.getTemperature(), model.getMaxTokens());
@@ -87,23 +102,30 @@ public class AiWriteServiceImpl implements AiWriteService {
         }).onErrorResume(error -> Flux.just(error(ErrorCodeConstants.WRITE_STREAM_ERROR)));
     }
 
+    private AiChatRoleDO selectOneWriteRole() {
+        AiChatRoleDO chatRoleDO = null;
+        PageResult<AiChatRoleDO> writeRolePage = chatRoleService.getChatRolePage(new AiChatRolePageReqVO().setName("写作助手"));
+        List<AiChatRoleDO> list = writeRolePage.getList();
+        if (CollUtil.isNotEmpty(list)) {
+            chatRoleDO = list.get(0);
+        }
+        return chatRoleDO;
+    }
+
     private String buildWritingPrompt(AiWriteGenerateReqVO generateReqVO) {
-        String template;
-        Integer writeType = generateReqVO.getType();
+        Integer type = generateReqVO.getType();
         String format = dictDataApi.getDictDataLabel(DictTypeConstants.AI_WRITE_FORMAT, generateReqVO.getFormat());
-        String tone = dictDataApi.getDictDataLabel(DictTypeConstants.AI_WRITE_TONE, generateReqVO.getFormat());
-        String language = dictDataApi.getDictDataLabel(DictTypeConstants.AI_WRITE_LANGUAGE, generateReqVO.getFormat());
-        String length = dictDataApi.getDictDataLabel(DictTypeConstants.AI_WRITE_LENGTH, generateReqVO.getFormat());
-        // TODO @xin：建议改成 if return 哈；更简洁；
-        if (Objects.equals(writeType, AiWriteTypeEnum.WRITING.getType())) {
-            // TODO @xin：写成静态枚举哈
-            template = "请撰写一篇关于 [{}] 的文章。文章的内容格式为：[{}]，语气为：[{}]，语言为：[{}]，长度为：[{}]。请确保涵盖主要内容，不需要除了正文内容外的其他回复，如标题、额外的解释或道歉。";
-            return StrUtil.format(template, generateReqVO.getPrompt(), format, tone, language, length);
-        } else if (Objects.equals(writeType, AiWriteTypeEnum.REPLY.getType())) {
-            template = "请针对如下内容：[{}] 做个回复。回复内容参考：[{}], 回复的内容格式为：[{}]，语气为：[{}]，语言为：[{}]，长度为：[{}]。不需要除了正文内容外的其他回复，如标题、额外的解释或道歉。";
-            return StrUtil.format(template, generateReqVO.getOriginalContent(), generateReqVO.getPrompt(), format, tone, language, length);
+        String tone = dictDataApi.getDictDataLabel(DictTypeConstants.AI_WRITE_TONE, generateReqVO.getTone());
+        String language = dictDataApi.getDictDataLabel(DictTypeConstants.AI_WRITE_LANGUAGE, generateReqVO.getLanguage());
+        String length = dictDataApi.getDictDataLabel(DictTypeConstants.AI_WRITE_LENGTH, generateReqVO.getLength());
+        String prompt = generateReqVO.getPrompt();
+        // 校验写作类型是否合法
+        AiWriteTypeEnum.validateType(type);
+
+        if (Objects.equals(type, AiWriteTypeEnum.WRITING.getType())) {
+            return StrUtil.format(AiWriteTypeEnum.WRITING.getTemplate(), prompt, format, tone, language, length);
         } else {
-            throw new IllegalArgumentException(StrUtil.format("未知写作类型({})", writeType));
+            return StrUtil.format(AiWriteTypeEnum.REPLY.getTemplate(), generateReqVO.getOriginalContent(), prompt, format, tone, language, length);
         }
     }