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dreamweaver/backend/app/schemas/voice_session_schemas.py

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3.3 KiB
Python

"""Pydantic schemas for voice co-creation sessions."""
from datetime import datetime
from typing import Any, Literal
from pydantic import BaseModel, Field
MAX_VOICE_TRANSCRIPT_LENGTH = 1000
MAX_VOICE_ABORT_REASON_LENGTH = 200
MAX_VOICE_TURN_DURATION_MS = 90_000
class VoiceSessionCreateRequest(BaseModel):
"""Create one draft voice co-creation session."""
child_profile_id: str | None = None
universe_id: str | None = None
target_mode: Literal["story"] = Field(default="story")
class VoiceTurnCreateFallbackRequest(BaseModel):
"""Create one voice turn using text fallback instead of uploaded audio."""
transcript_text: str = Field(..., min_length=1, max_length=MAX_VOICE_TRANSCRIPT_LENGTH)
duration_ms: int | None = Field(default=None, ge=1, le=MAX_VOICE_TURN_DURATION_MS)
class VoiceSessionFinalizeRequest(BaseModel):
"""Finalize one voice session into a persisted story."""
save_story: bool = True
generate_cover: bool = True
generate_final_audio: bool = False
class VoiceSessionAbandonRequest(BaseModel):
"""Explicitly abandon one in-progress session."""
reason: str | None = Field(default=None, max_length=MAX_VOICE_ABORT_REASON_LENGTH)
class VoiceSessionEventResponse(BaseModel):
"""One persisted session event."""
id: int
session_id: str
turn_id: str | None = None
event_type: str
status: str
message: str | None = None
event_metadata: dict[str, Any] = Field(default_factory=dict)
created_at: datetime
class VoiceTurnSummaryResponse(BaseModel):
"""One summarized voice session turn."""
id: str
session_id: str
turn_index: int
status: str
user_transcript: str | None = None
transcript_confidence: float | None = None
detected_intent: str
intent_confidence: float | None = None
assistant_text: str | None = None
assistant_audio_ready: bool = False
assistant_audio_url: str | None = None
error_message: str | None = None
created_at: datetime
updated_at: datetime
class VoiceSessionSummaryResponse(BaseModel):
"""One summarized voice co-creation session."""
id: str
child_profile_id: str | None = None
universe_id: str | None = None
final_story_id: int | None = None
target_mode: str
status: str
current_turn_index: int
working_title: str | None = None
story_state: dict[str, Any] = Field(default_factory=dict)
latest_user_transcript: str | None = None
latest_assistant_text: str | None = None
can_continue: bool = False
can_finalize: bool = False
last_error: str | None = None
created_at: datetime
updated_at: datetime
class VoiceSessionDetailResponse(VoiceSessionSummaryResponse):
"""Detailed voice session payload with recent turns and events."""
recent_turns: list[VoiceTurnSummaryResponse] = Field(default_factory=list)
events: list[VoiceSessionEventResponse] = Field(default_factory=list)
class VoiceTurnAcceptedResponse(BaseModel):
"""Accepted response for one asynchronously processed turn."""
turn_id: str
session_id: str
status: str
class VoiceSessionFinalizeResponse(BaseModel):
"""Finalize response after a session is converted into a story."""
session_id: str
status: str
story_id: int | None = None
generation_job_id: str | None = None