initial commit

backend/app/routers/voice.py

@@ -0,0 +1,49 @@
+"""FluentGerman.ai — Admin voice-to-instruction & voice API router."""
+
+from fastapi import APIRouter, Depends, UploadFile, File
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.auth import require_admin, get_current_user
+from app.config import get_settings
+from app.database import get_db
+from app.models import User
+from app.schemas import VoiceConfigOut, VoiceInstructionRequest
+from app.services.llm_service import summarize_instruction
+from app.services.voice_service import synthesize, transcribe
+from fastapi.responses import Response
+
+router = APIRouter(prefix="/api/voice", tags=["voice"])
+
+
+@router.get("/config", response_model=VoiceConfigOut)
+async def voice_config(user: User = Depends(get_current_user)):
+    """Return current voice mode so frontend knows whether to use browser or API."""
+    return VoiceConfigOut(voice_mode=get_settings().voice_mode)
+
+
+@router.post("/transcribe")
+async def transcribe_audio(
+    audio: UploadFile = File(...),
+    user: User = Depends(get_current_user),
+):
+    """Transcribe uploaded audio to text (API mode only)."""
+    audio_bytes = await audio.read()
+    text = await transcribe(audio_bytes, filename=audio.filename or "audio.webm")
+    return {"text": text}
+
+
+@router.post("/synthesize")
+async def synthesize_text(
+    text: str,
+    user: User = Depends(get_current_user),
+):
+    """Convert text to speech audio (API mode only)."""
+    audio_bytes = await synthesize(text)
+    return Response(content=audio_bytes, media_type="audio/mpeg")
+
+
+@router.post("/generate-instruction", dependencies=[Depends(require_admin)])
+async def generate_instruction(body: VoiceInstructionRequest):
+    """Admin: takes raw transcript and returns a structured instruction via LLM."""
+    structured = await summarize_instruction(body.raw_text)
+    return {"instruction": structured}