Files
moreminimore-marketing/backend/models/story_models.py
Kunthawat Greethong c35fa52117 Base code
2026-01-08 22:39:53 +07:00

355 lines
21 KiB
Python

"""
Story Writer Models
Pydantic models for story generation API requests and responses.
"""
from pydantic import BaseModel, Field
from typing import List, Optional, Dict, Any, Union
class StoryGenerationRequest(BaseModel):
"""Request model for story generation."""
persona: str = Field(..., description="The persona statement for the author")
story_setting: str = Field(..., description="The setting of the story")
character_input: str = Field(..., description="The characters in the story")
plot_elements: str = Field(..., description="The plot elements of the story")
writing_style: str = Field(..., description="The writing style (e.g., Formal, Casual, Poetic, Humorous)")
story_tone: str = Field(..., description="The tone of the story (e.g., Dark, Uplifting, Suspenseful, Whimsical)")
narrative_pov: str = Field(..., description="The narrative point of view (e.g., First Person, Third Person Limited, Third Person Omniscient)")
audience_age_group: str = Field(..., description="The target audience age group (e.g., Children, Young Adults, Adults)")
content_rating: str = Field(..., description="The content rating (e.g., G, PG, PG-13, R)")
ending_preference: str = Field(..., description="The preferred ending (e.g., Happy, Tragic, Cliffhanger, Twist)")
story_length: str = Field(default="Medium", description="Target story length (Short: >1000 words, Medium: >5000 words, Long: >10000 words)")
enable_explainer: bool = Field(default=True, description="Enable explainer features")
enable_illustration: bool = Field(default=True, description="Enable illustration features")
enable_video_narration: bool = Field(default=True, description="Enable story video and narration features")
# Image generation settings
image_provider: Optional[str] = Field(default=None, description="Image generation provider (gemini, huggingface, stability)")
image_width: int = Field(default=1024, description="Image width in pixels")
image_height: int = Field(default=1024, description="Image height in pixels")
image_model: Optional[str] = Field(default=None, description="Image generation model")
# Video generation settings
video_fps: int = Field(default=24, description="Frames per second for video")
video_transition_duration: float = Field(default=0.5, description="Duration of transitions between scenes in seconds")
# Audio generation settings
audio_provider: Optional[str] = Field(default="gtts", description="TTS provider (gtts, pyttsx3)")
audio_lang: str = Field(default="en", description="Language code for TTS")
audio_slow: bool = Field(default=False, description="Whether to speak slowly (gTTS only)")
audio_rate: int = Field(default=150, description="Speech rate (pyttsx3 only)")
class StorySetupGenerationRequest(BaseModel):
"""Request model for AI story setup generation."""
story_idea: str = Field(..., description="Basic story idea or information from the user")
class StorySetupOption(BaseModel):
"""A single story setup option."""
persona: str = Field(..., description="The persona statement for the author")
story_setting: str = Field(..., description="The setting of the story")
character_input: str = Field(..., description="The characters in the story")
plot_elements: str = Field(..., description="The plot elements of the story")
writing_style: str = Field(..., description="The writing style")
story_tone: str = Field(..., description="The tone of the story")
narrative_pov: str = Field(..., description="The narrative point of view")
audience_age_group: str = Field(..., description="The target audience age group")
content_rating: str = Field(..., description="The content rating")
ending_preference: str = Field(..., description="The preferred ending")
story_length: str = Field(default="Medium", description="Target story length (Short: >1000 words, Medium: >5000 words, Long: >10000 words)")
premise: str = Field(..., description="The story premise (1-2 sentences)")
reasoning: str = Field(..., description="Brief reasoning for this setup option")
# Image generation settings
image_provider: Optional[str] = Field(default=None, description="Image generation provider (gemini, huggingface, stability)")
image_width: int = Field(default=1024, description="Image width in pixels")
image_height: int = Field(default=1024, description="Image height in pixels")
image_model: Optional[str] = Field(default=None, description="Image generation model")
# Video generation settings
video_fps: int = Field(default=24, description="Frames per second for video")
video_transition_duration: float = Field(default=0.5, description="Duration of transitions between scenes in seconds")
# Audio generation settings
audio_provider: Optional[str] = Field(default="gtts", description="TTS provider (gtts, pyttsx3)")
audio_lang: str = Field(default="en", description="Language code for TTS")
audio_slow: bool = Field(default=False, description="Whether to speak slowly (gTTS only)")
audio_rate: int = Field(default=150, description="Speech rate (pyttsx3 only)")
class StorySetupGenerationResponse(BaseModel):
"""Response model for story setup generation."""
options: List[StorySetupOption] = Field(..., description="Three story setup options")
success: bool = Field(default=True, description="Whether the generation was successful")
class StoryScene(BaseModel):
"""Model for a story scene."""
scene_number: int = Field(..., description="Scene number")
title: str = Field(..., description="Scene title")
description: str = Field(..., description="Scene description")
image_prompt: str = Field(..., description="Image prompt for scene visualization")
audio_narration: str = Field(..., description="Audio narration text for the scene")
character_descriptions: List[str] = Field(default_factory=list, description="Character descriptions in the scene")
key_events: List[str] = Field(default_factory=list, description="Key events in the scene")
class StoryStartRequest(StoryGenerationRequest):
"""Request model for story start generation."""
premise: str = Field(..., description="The story premise")
outline: Union[str, List[StoryScene], List[Dict[str, Any]]] = Field(..., description="The story outline (text or structured scenes)")
class StoryPremiseResponse(BaseModel):
"""Response model for premise generation."""
premise: str = Field(..., description="Generated story premise")
success: bool = Field(default=True, description="Whether the generation was successful")
task_id: Optional[str] = Field(None, description="Task ID for async operations")
class StoryOutlineResponse(BaseModel):
"""Response model for outline generation."""
outline: Union[str, List[StoryScene]] = Field(..., description="Generated story outline (text or structured scenes)")
success: bool = Field(default=True, description="Whether the generation was successful")
task_id: Optional[str] = Field(None, description="Task ID for async operations")
is_structured: bool = Field(default=False, description="Whether the outline is structured (scenes) or plain text")
class StoryContentResponse(BaseModel):
"""Response model for story content generation."""
story: str = Field(..., description="Generated story content")
premise: Optional[str] = Field(None, description="Story premise")
outline: Optional[str] = Field(None, description="Story outline")
is_complete: bool = Field(default=False, description="Whether the story is complete")
iterations: int = Field(default=0, description="Number of continuation iterations")
success: bool = Field(default=True, description="Whether the generation was successful")
task_id: Optional[str] = Field(None, description="Task ID for async operations")
class StoryFullGenerationResponse(BaseModel):
"""Response model for full story generation."""
premise: str = Field(..., description="Generated story premise")
outline: str = Field(..., description="Generated story outline")
story: str = Field(..., description="Generated complete story")
is_complete: bool = Field(default=False, description="Whether the story is complete")
iterations: int = Field(default=0, description="Number of continuation iterations")
success: bool = Field(default=True, description="Whether the generation was successful")
task_id: Optional[str] = Field(None, description="Task ID for async operations")
class StoryContinueRequest(BaseModel):
"""Request model for continuing story generation."""
premise: str = Field(..., description="The story premise")
outline: Union[str, List[StoryScene], List[Dict[str, Any]]] = Field(..., description="The story outline (text or structured scenes)")
story_text: str = Field(..., description="Current story text to continue from")
persona: str = Field(..., description="The persona statement for the author")
story_setting: str = Field(..., description="The setting of the story")
character_input: str = Field(..., description="The characters in the story")
plot_elements: str = Field(..., description="The plot elements of the story")
writing_style: str = Field(..., description="The writing style")
story_tone: str = Field(..., description="The tone of the story")
narrative_pov: str = Field(..., description="The narrative point of view")
audience_age_group: str = Field(..., description="The target audience age group")
content_rating: str = Field(..., description="The content rating")
ending_preference: str = Field(..., description="The preferred ending")
story_length: str = Field(default="Medium", description="Target story length (Short: >1000 words, Medium: >5000 words, Long: >10000 words)")
class StoryContinueResponse(BaseModel):
"""Response model for story continuation."""
continuation: str = Field(..., description="Generated story continuation")
is_complete: bool = Field(default=False, description="Whether the story is complete (contains IAMDONE)")
success: bool = Field(default=True, description="Whether the generation was successful")
class TaskStatus(BaseModel):
"""Task status model."""
task_id: str = Field(..., description="Task ID")
status: str = Field(..., description="Task status (pending, processing, completed, failed)")
progress: Optional[float] = Field(None, description="Progress percentage (0-100)")
message: Optional[str] = Field(None, description="Progress message")
result: Optional[Dict[str, Any]] = Field(None, description="Task result when completed")
error: Optional[str] = Field(None, description="Error message if failed")
created_at: Optional[str] = Field(None, description="Task creation timestamp")
updated_at: Optional[str] = Field(None, description="Task last update timestamp")
class StoryImageGenerationRequest(BaseModel):
"""Request model for image generation."""
scenes: List[StoryScene] = Field(..., description="List of scenes to generate images for")
provider: Optional[str] = Field(None, description="Image generation provider (gemini, huggingface, stability)")
width: Optional[int] = Field(default=1024, description="Image width")
height: Optional[int] = Field(default=1024, description="Image height")
model: Optional[str] = Field(None, description="Image generation model")
class StoryImageResult(BaseModel):
"""Model for a generated image result."""
scene_number: int = Field(..., description="Scene number")
scene_title: str = Field(..., description="Scene title")
image_filename: str = Field(..., description="Image filename")
image_url: str = Field(..., description="Image URL")
width: int = Field(..., description="Image width")
height: int = Field(..., description="Image height")
provider: str = Field(..., description="Image generation provider")
model: Optional[str] = Field(None, description="Image generation model")
seed: Optional[int] = Field(None, description="Image generation seed")
error: Optional[str] = Field(None, description="Error message if generation failed")
class StoryImageGenerationResponse(BaseModel):
"""Response model for image generation."""
images: List[StoryImageResult] = Field(..., description="List of generated images")
success: bool = Field(default=True, description="Whether the generation was successful")
task_id: Optional[str] = Field(None, description="Task ID for async operations")
class RegenerateImageRequest(BaseModel):
"""Request model for regenerating a single scene image with a direct prompt."""
scene_number: int = Field(..., description="Scene number to regenerate image for")
scene_title: str = Field(..., description="Scene title")
prompt: str = Field(..., description="Direct prompt to use for image generation (no AI prompt generation)")
provider: Optional[str] = Field(None, description="Image generation provider (gemini, huggingface, stability)")
width: Optional[int] = Field(1024, description="Image width")
height: Optional[int] = Field(1024, description="Image height")
model: Optional[str] = Field(None, description="Model to use for image generation")
class RegenerateImageResponse(BaseModel):
"""Response model for regenerated image."""
scene_number: int = Field(..., description="Scene number")
scene_title: str = Field(..., description="Scene title")
image_filename: str = Field(..., description="Generated image filename")
image_url: str = Field(..., description="Image URL")
width: int = Field(..., description="Image width")
height: int = Field(..., description="Image height")
provider: str = Field(..., description="Provider used")
model: Optional[str] = Field(None, description="Model used")
seed: Optional[int] = Field(None, description="Seed used")
success: bool = Field(default=True, description="Whether the generation was successful")
error: Optional[str] = Field(None, description="Error message if generation failed")
class StoryAudioGenerationRequest(BaseModel):
"""Request model for audio generation."""
scenes: List[StoryScene] = Field(..., description="List of scenes to generate audio for")
provider: Optional[str] = Field(default="gtts", description="TTS provider (gtts, pyttsx3)")
lang: Optional[str] = Field(default="en", description="Language code for TTS")
slow: Optional[bool] = Field(default=False, description="Whether to speak slowly (gTTS only)")
rate: Optional[int] = Field(default=150, description="Speech rate (pyttsx3 only)")
class StoryAudioResult(BaseModel):
"""Model for a generated audio result."""
scene_number: int = Field(..., description="Scene number")
scene_title: str = Field(..., description="Scene title")
audio_filename: str = Field(..., description="Audio filename")
audio_url: str = Field(..., description="Audio URL")
provider: str = Field(..., description="TTS provider")
file_size: int = Field(..., description="Audio file size in bytes")
error: Optional[str] = Field(None, description="Error message if generation failed")
class StoryAudioGenerationResponse(BaseModel):
"""Response model for audio generation."""
audio_files: List[StoryAudioResult] = Field(..., description="List of generated audio files")
success: bool = Field(default=True, description="Whether the generation was successful")
task_id: Optional[str] = Field(None, description="Task ID for async operations")
class GenerateAIAudioRequest(BaseModel):
"""Request model for generating AI audio for a single scene."""
scene_number: int = Field(..., description="Scene number to generate audio for")
scene_title: str = Field(..., description="Scene title")
text: str = Field(..., description="Text to convert to speech")
voice_id: Optional[str] = Field("Wise_Woman", description="Voice ID for AI audio generation")
speed: Optional[float] = Field(1.0, description="Speech speed (0.5-2.0)")
volume: Optional[float] = Field(1.0, description="Speech volume (0.1-10.0)")
pitch: Optional[float] = Field(0.0, description="Speech pitch (-12 to 12)")
emotion: Optional[str] = Field("happy", description="Emotion for speech")
class GenerateAIAudioResponse(BaseModel):
"""Response model for AI audio generation."""
scene_number: int = Field(..., description="Scene number")
scene_title: str = Field(..., description="Scene title")
audio_filename: str = Field(..., description="Generated audio filename")
audio_url: str = Field(..., description="Audio URL")
provider: str = Field(..., description="Provider used (wavespeed)")
model: str = Field(..., description="Model used (minimax/speech-02-hd)")
voice_id: str = Field(..., description="Voice ID used")
text_length: int = Field(..., description="Number of characters in text")
file_size: int = Field(..., description="Audio file size in bytes")
cost: float = Field(..., description="Cost of generation")
success: bool = Field(default=True, description="Whether the generation was successful")
error: Optional[str] = Field(None, description="Error message if generation failed")
class StoryVideoGenerationRequest(BaseModel):
"""Request model for video generation."""
scenes: List[StoryScene] = Field(..., description="List of scenes to generate video for")
image_urls: List[str] = Field(..., description="List of image URLs for each scene")
audio_urls: List[str] = Field(..., description="List of audio URLs for each scene")
video_urls: Optional[List[Optional[str]]] = Field(None, description="Optional list of animated video URLs (preferred over images)")
ai_audio_urls: Optional[List[Optional[str]]] = Field(None, description="Optional list of AI audio URLs (preferred over free audio)")
story_title: Optional[str] = Field(default="Story", description="Title of the story")
fps: Optional[int] = Field(default=24, description="Frames per second for video")
transition_duration: Optional[float] = Field(default=0.5, description="Duration of transitions between scenes")
class StoryVideoResult(BaseModel):
"""Model for a generated video result."""
video_filename: str = Field(..., description="Video filename")
video_url: str = Field(..., description="Video URL")
duration: float = Field(..., description="Video duration in seconds")
fps: int = Field(..., description="Frames per second")
file_size: int = Field(..., description="Video file size in bytes")
num_scenes: int = Field(..., description="Number of scenes in the video")
error: Optional[str] = Field(None, description="Error message if generation failed")
class StoryVideoGenerationResponse(BaseModel):
"""Response model for video generation."""
video: StoryVideoResult = Field(..., description="Generated video")
success: bool = Field(default=True, description="Whether the generation was successful")
task_id: Optional[str] = Field(None, description="Task ID for async operations")
class AnimateSceneRequest(BaseModel):
"""Request model for per-scene animation preview."""
scene_number: int = Field(..., description="Scene number to animate")
scene_data: Dict[str, Any] = Field(..., description="Scene data payload")
story_context: Dict[str, Any] = Field(..., description="Story-wide context used for prompts")
image_url: str = Field(..., description="Relative URL to the generated scene image")
duration: int = Field(default=5, description="Animation duration (5 or 10 seconds)")
class AnimateSceneVoiceoverRequest(AnimateSceneRequest):
"""Request model for WaveSpeed InfiniteTalk animation."""
audio_url: str = Field(..., description="Relative URL to the generated scene audio")
resolution: Optional[str] = Field("720p", description="Output resolution ('480p' or '720p')")
prompt: Optional[str] = Field(None, description="Optional positive prompt override")
class AnimateSceneResponse(BaseModel):
"""Response model for scene animation preview."""
success: bool = Field(default=True, description="Whether the animation succeeded")
scene_number: int = Field(..., description="Scene number animated")
video_filename: str = Field(..., description="Stored video filename")
video_url: str = Field(..., description="API URL to access the animated video")
duration: int = Field(..., description="Duration of the animation")
cost: float = Field(..., description="Cost billed for the animation")
prompt_used: str = Field(..., description="Animation prompt passed to the model")
provider: str = Field(default="wavespeed", description="Underlying provider used")
prediction_id: Optional[str] = Field(None, description="WaveSpeed prediction ID for resume operations")
class ResumeSceneAnimationRequest(BaseModel):
"""Request model to resume scene animation download."""
prediction_id: str = Field(..., description="WaveSpeed prediction ID to resume from")
scene_number: int = Field(..., description="Scene number being resumed")
duration: int = Field(default=5, description="Animation duration (5 or 10 seconds)")