import { Hono } from "npm:hono@3"; import { html } from "npm:hono@3/html"; import { cors } from 'npm:hono/cors'; import { OpenAI } from "npm:openai"; const app = new Hono(); const openai = new OpenAI(Deno.env.get("OPENAI_API_KEY_VOICE")); class TranscriptionService { async transcribeAudio(audioFile) { try { const transcription = await openai.audio.transcriptions.create({ file: audioFile, model: "whisper-1", response_format: "text", }); return transcription; } catch (error) { console.error('OpenAI API error:', error); throw error; } } } export const transcriptionService = new TranscriptionService(); app.use('*', cors({ origin: '*', allowMethods: ['GET', 'POST'], allowHeaders: ['Content-Type'], })); app.get("/", async (c) => { const languages = [ "Afrikaans", "Arabic", "Armenian", "Azerbaijani", "Belarusian", "Bosnian", "Bulgarian", "Catalan", "Chinese", "Croatian", "Czech", "Danish", "Dutch", "English", "Estonian", "Finnish", "French", "Galician", "German", "Greek", "Hebrew", "Hindi", "Hungarian", "Icelandic", "Indonesian", "Italian", "Japanese", "Kannada", "Kazakh", "Korean", "Latvian", "Lithuanian", "Macedonian", "Malay", "Marathi", "Maori", "Nepali", "Norwegian", "Persian", "Polish", "Portuguese", "Romanian", "Russian", "Serbian", "Slovak", "Slovenian", "Spanish", "Swahili", "Swedish", "Tagalog", "Tamil", "Thai", "Turkish", "Ukrainian", "Urdu", "Vietnamese", "Welsh" ]; const voices = [ "alloy", "echo", "fable", "onyx", "nova", "shimmer" ]; const resHtml = html` Translator

Translator

Languages

Voice

`; return c.html(resHtml); }); app.post('/transcribe', async (c) => { const formData = await c.req.parseBody(); const audioFile = formData.audio; if (!audioFile) { console.error('Audio file not found in the form data'); return c.text('Audio file not found', 400); } try { const transcription = await transcriptionService.transcribeAudio(audioFile); console.log('transcription:', transcription) return c.text(transcription); } catch (error) { console.error('Transcription error:', error); return c.text('Error occurred during transcription', 500); } }); app.post('/translate', async (c) => { const { text, language } = await c.req.json(); if (!text || !language) { return c.text(`Text and language are required: ${text} -- ${language}`, 400); } try { const response = await openai.chat.completions.create({ model: "gpt-3.5-turbo", messages: [ { role: "system", content: `You are a translation assistant. Translate the given text to ${language}.` }, { role: "user", content: text } ], max_tokens: 200, }); const translation = response.choices[0].message.content.trim(); return c.text(translation); } catch (error) { console.error('OpenAI API error:', error); return c.text('Error occurred during translation', 500); } }); app.post('/generate-speech', async (c) => { const { text, voice } = await c.req.json(); if (!text || !voice) { return c.text('Text and voice are required:' + text + ', ' + voice, 400); } console.log('generating speech:', text, voice) try { const mp3 = await openai.audio.speech.create({ model: "tts-1", voice: voice, input: text, }); const arrayBuffer = await mp3.arrayBuffer(); const uint8Array = new Uint8Array(arrayBuffer); return c.body(uint8Array, 200, { 'Content-Type': 'audio/mpeg', }); } catch (error) { console.error('OpenAI API error:', error); return c.text('Error occurred during speech generation', 500); } }); export default app.fetch;