...

src/app/(features)/translator/page.tsx

@@ -6,17 +6,17 @@ import IMAGES from "@/config/images";
 import { useAudioPlayer } from "@/hooks/useAudioPlayer";
 import { useTranslations } from "next-intl";
 import { useRef, useState } from "react";
-import { translateText } from "@/modules/translator";
+import { actionTranslateText } from "@/modules/translator";
 import { toast } from "sonner";
 import { getTTSUrl, TTS_SUPPORTED_LANGUAGES } from "@/lib/bigmodel/tts";
-import { TranslateTextOutput } from "@/modules/translator";
+import { TSharedTranslationResult } from "@/shared";
 
 export default function TranslatorPage() {
   const t = useTranslations("translator");
 
   const taref = useRef<HTMLTextAreaElement>(null);
   const [targetLanguage, setTargetLanguage] = useState<string>("Chinese");
-  const [translationResult, setTranslationResult] = useState<TranslateTextOutput | null>(null);
+  const [translationResult, setTranslationResult] = useState<TSharedTranslationResult | null>(null);
   const [needIpa, setNeedIpa] = useState(true);
   const [processing, setProcessing] = useState(false);
   const [lastTranslation, setLastTranslation] = useState<{
@@ -70,18 +70,22 @@ export default function TranslatorPage() {
       lastTranslation?.targetLanguage === targetLanguage;
 
     try {
-      const result = await translateText({
+      const result = await actionTranslateText({
         sourceText,
         targetLanguage,
         forceRetranslate,
         needIpa,
       });
 
-      setTranslationResult(result);
-      setLastTranslation({
-        sourceText,
-        targetLanguage,
-      });
+      if (result.success && result.data) {
+        setTranslationResult(result.data);
+        setLastTranslation({
+          sourceText,
+          targetLanguage,
+        });
+      } else {
+        toast.error(result.message || "翻译失败，请重试");
+      }
     } catch (error) {
       toast.error("翻译失败，请重试");
       console.error("翻译错误:", error);

src/lib/bigmodel/translator/index.ts

@@ -0,0 +1,2 @@
+export { executeTranslation } from "./orchestrator";
+export * from "./types";

src/lib/bigmodel/translator/orchestrator.ts

@@ -0,0 +1,189 @@
+import { getAnswer } from "../zhipu";
+import { parseAIGeneratedJSON } from "@/utils/json";
+import { LanguageDetectionResult, TranslationLLMResponse } from "./types";
+
+async function detectLanguage(text: string): Promise<LanguageDetectionResult> {
+    const prompt = `
+你是一个语言识别专家。分析用户输入并返回 JSON 结果。
+
+用户输入位于 <text> 标签内：
+<text>${text}</text>
+
+你的任务是：
+1. 识别输入文本的语言
+2. 评估识别置信度
+
+返回 JSON 格式：
+{
+  "sourceLanguage": "检测到的语言名称（如 English、中文、日本語、Français、Deutsch等）",
+  "confidence": "high/medium/low"
+}
+
+只返回 JSON，不要任何其他文字。
+`.trim();
+
+    try {
+        const result = await getAnswer([
+            {
+                role: "system",
+                content: "你是一个语言识别专家，只返回 JSON 格式的分析结果。",
+            },
+            {
+                role: "user",
+                content: prompt,
+            },
+        ]).then(parseAIGeneratedJSON<LanguageDetectionResult>);
+
+        if (typeof result.sourceLanguage !== "string" || !result.sourceLanguage) {
+            throw new Error("Invalid source language detected");
+        }
+
+        return result;
+    } catch (error) {
+        console.error("Language detection failed:", error);
+        throw new Error("Failed to detect source language");
+    }
+}
+
+async function performTranslation(
+    sourceText: string,
+    sourceLanguage: string,
+    targetLanguage: string
+): Promise<string> {
+    const prompt = `
+你是一个专业翻译。将文本翻译成目标语言。
+
+源文本位于 <source_text> 标签内：
+<source_text>${sourceText}</source_text>
+
+源语言：${sourceLanguage}
+目标语言：${targetLanguage}
+
+要求：
+1. 保持原意准确
+2. 符合目标语言的表达习惯
+3. 如果是成语、俗语或文化特定表达，在目标语言中寻找对应表达
+4. 只返回翻译结果，不要任何解释或说明
+
+请直接返回翻译结果：
+`.trim();
+
+    try {
+        const result = await getAnswer([
+            {
+                role: "system",
+                content: "你是一个专业翻译，只返回翻译结果。",
+            },
+            {
+                role: "user",
+                content: prompt,
+            },
+        ]);
+
+        return result.trim();
+    } catch (error) {
+        console.error("Translation failed:", error);
+        throw new Error("Translation failed");
+    }
+}
+
+async function generateIPA(
+    text: string,
+    language: string
+): Promise<string> {
+    const prompt = `
+你是一个语音学专家。为文本生成国际音标（IPA）标注。
+
+文本位于 <text> 标签内：
+<text>${text}</text>
+
+语言：${language}
+
+要求：
+1. 生成准确的国际音标（IPA）标注
+2. 使用标准的 IPA 符号
+3. 只返回 IPA 标注，不要任何其他文字
+
+请直接返回 IPA 标注：
+`.trim();
+
+    try {
+        const result = await getAnswer([
+            {
+                role: "system",
+                content: "你是一个语音学专家，只返回 IPA 标注。",
+            },
+            {
+                role: "user",
+                content: prompt,
+            },
+        ]);
+
+        return result.trim();
+    } catch (error) {
+        console.error("IPA generation failed:", error);
+        return "";
+    }
+}
+
+export async function executeTranslation(
+    sourceText: string,
+    targetLanguage: string,
+    needIpa: boolean
+): Promise<TranslationLLMResponse> {
+    try {
+        console.log("[翻译] 开始翻译流程...");
+        console.log("[翻译] 源文本:", sourceText);
+        console.log("[翻译] 目标语言:", targetLanguage);
+        console.log("[翻译] 需要 IPA:", needIpa);
+
+        // Stage 1: Detect source language
+        console.log("[阶段1] 检测源语言...");
+        const detectionResult = await detectLanguage(sourceText);
+        console.log("[阶段1] 检测结果:", detectionResult);
+
+        // Stage 2: Perform translation
+        console.log("[阶段2] 执行翻译...");
+        const translatedText = await performTranslation(
+            sourceText,
+            detectionResult.sourceLanguage,
+            targetLanguage
+        );
+        console.log("[阶段2] 翻译完成:", translatedText);
+
+        // Validate translation result
+        if (!translatedText) {
+            throw new Error("Translation result is empty");
+        }
+
+        // Stage 3 (Optional): Generate IPA
+        let sourceIpa: string | undefined;
+        let targetIpa: string | undefined;
+
+        if (needIpa) {
+            console.log("[阶段3] 生成 IPA...");
+            sourceIpa = await generateIPA(sourceText, detectionResult.sourceLanguage);
+            console.log("[阶段3] 源文本 IPA:", sourceIpa);
+
+            targetIpa = await generateIPA(translatedText, targetLanguage);
+            console.log("[阶段3] 目标文本 IPA:", targetIpa);
+        }
+
+        // Assemble final result
+        const finalResult: TranslationLLMResponse = {
+            sourceText,
+            translatedText,
+            sourceLanguage: detectionResult.sourceLanguage,
+            targetLanguage,
+            sourceIpa,
+            targetIpa,
+        };
+
+        console.log("[完成] 翻译流程成功");
+        return finalResult;
+    } catch (error) {
+        console.error("[错误] 翻译失败:", error);
+        const errorMessage = error instanceof Error ? error.message : "未知错误";
+        throw new Error(errorMessage);
+    }
+}

src/lib/bigmodel/translator/types.ts

@@ -0,0 +1,13 @@
+export interface LanguageDetectionResult {
+    sourceLanguage: string;
+    confidence: "high" | "medium" | "low";
+}
+
+export interface TranslationLLMResponse {
+    sourceText: string;
+    translatedText: string;
+    sourceLanguage: string;
+    targetLanguage: string;
+    sourceIpa?: string;
+    targetIpa?: string;
+}

src/lib/browser/localStorageOperators.ts

@@ -0,0 +1,44 @@
+import { z } from "zod";
+
+interface LocalStorageOperator<T> {
+  get: () => T;
+  set: (value: T) => void;
+}
+
+export function getLocalStorageOperator<T extends z.ZodType>(
+  key: string,
+  schema: T
+): LocalStorageOperator<z.infer<T>> {
+  const get = (): z.infer<T> => {
+    if (typeof window === "undefined") {
+      return [] as unknown as z.infer<T>;
+    }
+
+    try {
+      const item = localStorage.getItem(key);
+      if (item === null) {
+        return [] as unknown as z.infer<T>;
+      }
+
+      const parsed = JSON.parse(item);
+      return schema.parse(parsed);
+    } catch (error) {
+      console.error(`Error reading from localStorage key "${key}":`, error);
+      return [] as unknown as z.infer<T>;
+    }
+  };
+
+  const set = (value: z.infer<T>): void => {
+    if (typeof window === "undefined") {
+      return;
+    }
+
+    try {
+      localStorage.setItem(key, JSON.stringify(value));
+    } catch (error) {
+      console.error(`Error writing to localStorage key "${key}":`, error);
+    }
+  };
+
+  return { get, set };
+}

src/lib/interfaces.ts

@@ -0,0 +1,19 @@
+import z from "zod";
+
+// Text Speaker types
+export const TextSpeakerItemSchema = z.object({
+  text: z.string(),
+  language: z.string(),
+  ipa: z.string().optional(),
+});
+
+export const TextSpeakerArraySchema = z.array(TextSpeakerItemSchema);
+
+// Alphabet types
+export type SupportedAlphabets = "japanese" | "english" | "uyghur" | "esperanto";
+
+export interface Letter {
+  letter: string;
+  letter_sound_ipa: string;
+  roman_letter?: string;
+}

src/lib/logger.ts

@@ -0,0 +1,25 @@
+class Logger {
+  error(message: string, error?: unknown): void {
+    if (error instanceof Error) {
+      console.error(`[ERROR] ${message}:`, error.message, error.stack);
+    } else {
+      console.error(`[ERROR] ${message}:`, error);
+    }
+  }
+
+  warn(message: string, ...args: unknown[]): void {
+    console.warn(`[WARN] ${message}`, ...args);
+  }
+
+  info(message: string, ...args: unknown[]): void {
+    console.info(`[INFO] ${message}`, ...args);
+  }
+
+  debug(message: string, ...args: unknown[]): void {
+    if (process.env.NODE_ENV === "development") {
+      console.debug(`[DEBUG] ${message}`, ...args);
+    }
+  }
+}
+
+export const logger = new Logger();

src/lib/theme/colors.ts

@@ -0,0 +1,6 @@
+export const COLORS = {
+  primary: "#35786f",
+  secondary: "#2d5f58",
+  ghost: "#f3f4f6",
+  icon: "#6b7280",
+} as const;

src/modules/translator/index.ts

@@ -1,2 +1,2 @@
 export * from './translator-action';
-export * from './translator-action-dto';
+export * from './translator-action-dto';

src/modules/translator/translator-action-dto.ts

@@ -1,40 +1,27 @@
+import { TSharedTranslationResult } from "@/shared";
+import {
+    LENGTH_MAX_LANGUAGE,
+    LENGTH_MIN_LANGUAGE,
+    LENGTH_MAX_TRANSLATOR_TEXT,
+    LENGTH_MIN_TRANSLATOR_TEXT,
+} from "@/shared/constant";
+import { generateValidator } from "@/utils/validate";
+import z from "zod";
 
-export interface CreateTranslationHistoryInput {
-  userId?: string;
-  sourceText: string;
-  sourceLanguage: string;
-  targetLanguage: string;
-  translatedText: string;
-  sourceIpa?: string;
-  targetIpa?: string;
-}
+const schemaActionInputTranslateText = z.object({
+    sourceText: z.string().min(LENGTH_MIN_TRANSLATOR_TEXT).max(LENGTH_MAX_TRANSLATOR_TEXT),
+    targetLanguage: z.string().min(LENGTH_MIN_LANGUAGE).max(LENGTH_MAX_LANGUAGE),
+    forceRetranslate: z.boolean().optional().default(false),
+    needIpa: z.boolean().optional().default(true),
+    userId: z.string().optional(),
+});
 
-export interface TranslationHistoryQuery {
-  sourceText: string;
-  targetLanguage: string;
-}
+export type ActionInputTranslateText = z.infer<typeof schemaActionInputTranslateText>;
 
-export interface TranslateTextInput {
-  sourceText: string;
-  targetLanguage: string;
-  forceRetranslate?: boolean; // 默认 false
-  needIpa?: boolean; // 默认 true
-  userId?: string; // 可选用户 ID
-}
+export const validateActionInputTranslateText = generateValidator(schemaActionInputTranslateText);
 
-export interface TranslateTextOutput {
-  sourceText: string;
-  translatedText: string;
-  sourceLanguage: string;
-  targetLanguage: string;
-  sourceIpa: string; // 如果 needIpa=false，返回空字符串
-  targetIpa: string; // 如果 needIpa=false，返回空字符串
-}
-
-export interface TranslationLLMResponse {
-  translatedText: string;
-  sourceLanguage: string;
-  targetLanguage: string;
-  sourceIpa?: string; // 可选，根据 needIpa 决定
-  targetIpa?: string; // 可选，根据 needIpa 决定
-}
+export type ActionOutputTranslateText = {
+    message: string;
+    success: boolean;
+    data?: TSharedTranslationResult;
+};

src/modules/translator/translator-action.ts

@@ -1 +1,103 @@
 "use server";
+
+import {
+    ActionInputTranslateText,
+    ActionOutputTranslateText,
+    validateActionInputTranslateText,
+} from "./translator-action-dto";
+import { ValidateError } from "@/lib/errors";
+import { serviceTranslateText } from "./translator-service";
+import { getAnswer } from "@/lib/bigmodel/zhipu";
+
+export const actionTranslateText = async (
+    dto: ActionInputTranslateText
+): Promise<ActionOutputTranslateText> => {
+    try {
+        return {
+            message: "success",
+            success: true,
+            data: await serviceTranslateText(validateActionInputTranslateText(dto)),
+        };
+    } catch (e) {
+        if (e instanceof ValidateError) {
+            return {
+                success: false,
+                message: e.message,
+            };
+        }
+        console.log(e);
+        return {
+            success: false,
+            message: "Unknown error occurred.",
+        };
+    }
+};
+
+/**
+ * @deprecated 保留此函数以支持旧代码（text-speaker 功能）
+ */
+export const genIPA = async (text: string) => {
+    return (
+        "[" +
+        (
+            await getAnswer(
+                `
+<text>${text}</text>
+
+请生成以上文本的严式国际音标
+然后直接发给我
+不要附带任何说明
+不要擅自增减符号
+不许用"/"或者"[]"包裹
+`.trim(),
+            )
+        )
+            .replaceAll("[", "")
+            .replaceAll("]", "") +
+        "]"
+    );
+};
+
+/**
+ * @deprecated 保留此函数以支持旧代码（text-speaker 功能）
+ */
+export const genLanguage = async (text: string) => {
+    const language = await getAnswer([
+        {
+            role: "system",
+            content: `
+你是一个语言检测工具。请识别文本的语言并返回语言名称。
+
+返回语言的标准英文名称，例如：
+- 中文: Chinese
+- 英语: English
+- 日语: Japanese
+- 韩语: Korean
+- 法语: French
+- 德语: German
+- 意大利语: Italian
+- 葡萄牙语: Portuguese
+- 西班牙语: Spanish
+- 俄语: Russian
+- 阿拉伯语: Arabic
+- 印地语: Hindi
+- 泰语: Thai
+- 越南语: Vietnamese
+- 等等...
+
+如果无法识别语言，返回 "Unknown"
+
+规则：
+1. 只返回语言的标准英文名称
+2. 首字母大写，其余小写
+3. 不要附带任何说明
+4. 不要擅自增减符号
+      `.trim()
+        },
+        {
+            role: "user",
+            content: `<text>${text}</text>`
+        }
+    ]);
+    return language.trim();
+};

src/modules/translator/translator-repository-dto.ts

@@ -0,0 +1,23 @@
+export type RepoInputSelectLatestTranslation = {
+    sourceText: string;
+    targetLanguage: string;
+};
+
+export type RepoOutputSelectLatestTranslation = {
+    id: number;
+    translatedText: string;
+    sourceLanguage: string;
+    targetLanguage: string;
+    sourceIpa: string | null;
+    targetIpa: string | null;
+} | null;
+
+export type RepoInputCreateTranslationHistory = {
+    userId?: string;
+    sourceText: string;
+    sourceLanguage: string;
+    targetLanguage: string;
+    translatedText: string;
+    sourceIpa?: string;
+    targetIpa?: string;
+};

src/modules/translator/translator-repository.ts

@@ -1,31 +1,41 @@
-"use server";
-
-import { CreateTranslationHistoryInput, TranslationHistoryQuery } from "./translator-action-dto";
+import {
+    RepoInputCreateTranslationHistory,
+    RepoInputSelectLatestTranslation,
+    RepoOutputSelectLatestTranslation,
+} from "./translator-repository-dto";
 import prisma from "@/lib/db";
 
-/**
- * 创建翻译历史记录
- */
-export async function repoCreateTranslationHistory(data: CreateTranslationHistoryInput) {
-  return prisma.translationHistory.create({
-    data: data,
-  });
+export async function repoSelectLatestTranslation(
+    dto: RepoInputSelectLatestTranslation
+): Promise<RepoOutputSelectLatestTranslation> {
+    const result = await prisma.translationHistory.findFirst({
+        where: {
+            sourceText: dto.sourceText,
+            targetLanguage: dto.targetLanguage,
+        },
+        orderBy: {
+            createdAt: "desc",
+        },
+    });
+
+    if (!result) {
+        return null;
+    }
+
+    return {
+        id: result.id,
+        translatedText: result.translatedText,
+        sourceLanguage: result.sourceLanguage,
+        targetLanguage: result.targetLanguage,
+        sourceIpa: result.sourceIpa,
+        targetIpa: result.targetIpa,
+    };
 }
 
-/**
- * 查询最新的翻译记录
- * @param sourceText 源文本
- * @param targetLanguage 目标语言
- * @returns 最新的翻译记录，如果不存在则返回 null
- */
-export async function repoSelectLatestTranslation(query: TranslationHistoryQuery) {
-  return prisma.translationHistory.findFirst({
-    where: {
-      sourceText: query.sourceText,
-      targetLanguage: query.targetLanguage,
-    },
-    orderBy: {
-      createdAt: 'desc',
-    },
-  });
+export async function repoCreateTranslationHistory(
+    data: RepoInputCreateTranslationHistory
+) {
+    return await prisma.translationHistory.create({
+        data: data,
+    });
 }

src/modules/translator/translator-service-dto.ts

@@ -0,0 +1,11 @@
+import { TSharedTranslationResult } from "@/shared";
+
+export type ServiceInputTranslateText = {
+    sourceText: string;
+    targetLanguage: string;
+    forceRetranslate: boolean;
+    needIpa: boolean;
+    userId?: string;
+};
+
+export type ServiceOutputTranslateText = TSharedTranslationResult;

src/modules/translator/translator-service.ts

@@ -0,0 +1,69 @@
+import { executeTranslation } from "@/lib/bigmodel/translator";
+import { repoCreateTranslationHistory, repoSelectLatestTranslation } from "./translator-repository";
+import { ServiceInputTranslateText, ServiceOutputTranslateText } from "./translator-service-dto";
+
+export const serviceTranslateText = async (
+    dto: ServiceInputTranslateText
+): Promise<ServiceOutputTranslateText> => {
+    const { sourceText, targetLanguage, forceRetranslate, needIpa, userId } = dto;
+
+    // Check for existing translation
+    const lastTranslation = await repoSelectLatestTranslation({
+        sourceText,
+        targetLanguage,
+    });
+
+    if (forceRetranslate || !lastTranslation) {
+        // Call AI for translation
+        const response = await executeTranslation(
+            sourceText,
+            targetLanguage,
+            needIpa
+        );
+
+        // Save translation history asynchronously (don't block response)
+        repoCreateTranslationHistory({
+            userId,
+            sourceText,
+            sourceLanguage: response.sourceLanguage,
+            targetLanguage: response.targetLanguage,
+            translatedText: response.translatedText,
+            sourceIpa: needIpa ? response.sourceIpa : undefined,
+            targetIpa: needIpa ? response.targetIpa : undefined,
+        }).catch((error) => {
+            console.error("Failed to save translation data:", error);
+        });
+
+        return {
+            sourceText: response.sourceText,
+            translatedText: response.translatedText,
+            sourceLanguage: response.sourceLanguage,
+            targetLanguage: response.targetLanguage,
+            sourceIpa: response.sourceIpa || "",
+            targetIpa: response.targetIpa || "",
+        };
+    } else {
+        // Return cached translation
+        // Still save a history record for analytics
+        repoCreateTranslationHistory({
+            userId,
+            sourceText,
+            sourceLanguage: lastTranslation.sourceLanguage,
+            targetLanguage: lastTranslation.targetLanguage,
+            translatedText: lastTranslation.translatedText,
+            sourceIpa: lastTranslation.sourceIpa || undefined,
+            targetIpa: lastTranslation.targetIpa || undefined,
+        }).catch((error) => {
+            console.error("Failed to save translation data:", error);
+        });
+
+        return {
+            sourceText,
+            translatedText: lastTranslation.translatedText,
+            sourceLanguage: lastTranslation.sourceLanguage,
+            targetLanguage: lastTranslation.targetLanguage,
+            sourceIpa: lastTranslation.sourceIpa || "",
+            targetIpa: lastTranslation.targetIpa || "",
+        };
+    }
+};

src/shared/constant.ts

@@ -11,4 +11,7 @@ export const LENGTH_MAX_IPA = 150;
 export const LENGTH_MIN_IPA = 1;
 
 export const LENGTH_MAX_FOLDER_NAME = 20;
-export const LENGTH_MIN_FOLDER_NAME = 1;
+export const LENGTH_MIN_FOLDER_NAME = 1;
+
+export const LENGTH_MAX_TRANSLATOR_TEXT = 1000;
+export const LENGTH_MIN_TRANSLATOR_TEXT = 1;

src/shared/index.ts

@@ -1 +1,2 @@
-export * from './dictionary-type';
+export * from './dictionary-type';
+export * from './translator-type';

src/shared/translator-type.ts

@@ -0,0 +1,8 @@
+export type TSharedTranslationResult = {
+    sourceText: string;
+    translatedText: string;
+    sourceLanguage: string;
+    targetLanguage: string;
+    sourceIpa: string;
+    targetIpa: string;
+};