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const plugin = requirePlugin("WechatSI");
const manager = plugin.getRecordRecognitionManager(); // Only one manager
Page({
data: {
languages: {
'zh': { name: '中文', flag: 'cn', code: 'zh_CN' },
'en': { name: 'English', flag: 'us', code: 'en_US' },
'ja': { name: '日本語', flag: 'jp', code: 'ja_JP' },
'ko': { name: '한국어', flag: 'kr', code: 'ko_KR' }
},
langCodes: ['zh', 'en', 'ja', 'ko'], // Use short codes for internal logic
sourceLang: 'zh',
targetLang: 'en',
transcript: '',
outputText: '',
isRecording: false,
sourceLanguages: [],
targetLanguages: [],
hfSpaceUrl: 'https://dazaozi-wechat-translator-app.hf.space'
},
onLoad: function () {
this.initializeLanguages();
this.initRecordManager();
},
// --- Language Selection Logic ---
initializeLanguages: function () {
const { langCodes, languages, sourceLang, targetLang } = this.data;
this.setData({
sourceLanguages: langCodes.map(c => ({
langCode: c,
name: languages[c].name,
flag: languages[c].flag,
selected: c === sourceLang
})),
targetLanguages: langCodes.map(c => ({
langCode: c,
name: languages[c].name,
flag: languages[c].flag,
selected: c === targetLang
}))
});
},
selectSourceLanguage: function (e) {
const newSourceLang = e.currentTarget.dataset.langCode;
this.setData({ sourceLang: newSourceLang }, this.initializeLanguages);
},
selectTargetLanguage: function (e) {
const newTargetLang = e.currentTarget.dataset.langCode;
this.setData({ targetLang: newTargetLang }, this.initializeLanguages);
},
swapLanguages: function () {
const { sourceLang, targetLang } = this.data;
this.setData({
sourceLang: targetLang,
targetLang: sourceLang,
transcript: this.data.outputText,
outputText: this.data.transcript
}, this.initializeLanguages);
},
// --- Recorder Manager Initialization (Single Manager Mode) ---
initRecordManager: function () {
manager.onStart = () => {
this.setData({ transcript: '正在聆听...', outputText: '' });
};
manager.onRecognize = (res) => {
// Only update transcript for plugin-handled ASR (CN/EN)
const { sourceLang } = this.data;
if (sourceLang === 'zh' || sourceLang === 'en') {
this.setData({ transcript: res.result });
}
};
manager.onStop = (res) => {
this.setData({ isRecording: false });
const { sourceLang, targetLang } = this.data;
const isChineseEnglish = (sourceLang === 'zh' && targetLang === 'en') || (sourceLang === 'en' && targetLang === 'zh');
if (isChineseEnglish) {
// Mode 1: Plugin handles both ASR and Translation
if (res.result) {
this.setData({ transcript: res.result, outputText: res.translateResult || '' });
} else {
this.setData({ transcript: '识别结果为空', outputText: '' });
}
} else {
// Mode 2: Plugin handles ASR (if CN/EN), then HF handles translation
if (res.result) { // res.result is the ASR result from plugin
this.setData({ transcript: res.result });
this.fullBackendBridge(res.result, this.data.sourceLang, this.data.targetLang);
} else {
this.setData({ transcript: '识别结果为空' });
}
}
};
manager.onError = (res) => {
this.setData({ isRecording: false, transcript: '识别失败', outputText: res.msg });
};
},
startRecording: function () {
const { sourceLang, targetLang } = this.data;
const isChineseEnglish = (sourceLang === 'zh' && targetLang === 'en') || (sourceLang === 'en' && targetLang === 'zh');
this.setData({ isRecording: true });
// CRITICAL: Check if source language is supported by plugin for ASR
if (sourceLang !== 'zh' && sourceLang !== 'en') {
wx.showToast({
title: '当前源语言不支持语音输入',
icon: 'none'
});
this.setData({ isRecording: false, transcript: '请选择中文或英文作为源语言' });
return;
}
if (isChineseEnglish) {
// Use plugin for ASR and Translation
manager.start({
lang: this.data.languages[sourceLang].code,
trans_lang: this.data.languages[targetLang].code,
});
} else {
// Use plugin for ASR only, then HF for translation
manager.start({
lang: this.data.languages[sourceLang].code,
// No trans_lang here, as HF will handle translation
});
}
},
stopRecording: function () {
manager.stop();
},
// --- HF Bridge Translation Flow (for non-CN/EN pairs) ---
fullBackendBridge: function(text, sourceLang, targetLang) {
this.setData({ outputText: '翻译中 (1/2)..' }); // Simplified steps
// Step 1: Translate source (e.g., ZH) to English via HF
this.translateViaHF(text, sourceLang, 'en', (englishResult) => {
if (englishResult) {
// Step 2: Translate English result to final target (e.g., JA) via HF
this.setData({ outputText: '翻译中 (2/2)..' });
this.translateViaHF(englishResult, 'en', targetLang, (finalResult) => {
if (finalResult) {
this.setData({ outputText: finalResult });
}
});
}
});
},
translateViaHF: function(text, sourceLang, targetLang, callback) {
wx.request({
url: `${this.data.hfSpaceUrl}/api/translate`,
method: 'POST',
header: { 'Content-Type': 'application/json' },
data: { "text": text, "source_lang": sourceLang, "target_lang": targetLang },
timeout: 30000,
success: (res) => {
if (res.statusCode === 200 && res.data.translated_text) {
callback(res.data.translated_text);
} else {
this.setData({ outputText: `HF翻译失败 (${sourceLang}->${targetLang})` });
callback(null);
}
},
fail: () => {
this.setData({ outputText: `HF翻译请求失败 (${sourceLang}->${targetLang})` });
callback(null);
}
});
}
}); |