289e707799
- "backend/models.py" - "alembic/versions/019_add_highlight_candidates.py" - "backend/pipeline/highlight_schemas.py" GSD-Task: S04/T01
51 lines
2.1 KiB
Python
51 lines
2.1 KiB
Python
"""Pydantic schemas for highlight detection pipeline.
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Covers scoring breakdown, candidate responses, and batch result summaries.
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"""
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from __future__ import annotations
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import uuid
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from datetime import datetime
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from pydantic import BaseModel, Field
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class HighlightScoreBreakdown(BaseModel):
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"""Per-dimension score breakdown for a highlight candidate.
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Each field is a float in [0, 1] representing the normalized score
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for that scoring dimension.
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"""
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duration_score: float = Field(description="Score based on moment duration (sweet-spot curve)")
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content_density_score: float = Field(description="Score based on transcript richness / word density")
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technique_relevance_score: float = Field(description="Score based on content_type and plugin mentions")
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position_score: float = Field(description="Score based on temporal position within the video")
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uniqueness_score: float = Field(description="Score based on title/topic distinctness among siblings")
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engagement_proxy_score: float = Field(description="Proxy engagement signal from summary quality/length")
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plugin_diversity_score: float = Field(description="Score based on breadth of plugins/tools mentioned")
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class HighlightCandidateResponse(BaseModel):
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"""API response schema for a single highlight candidate."""
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id: uuid.UUID
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key_moment_id: uuid.UUID
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source_video_id: uuid.UUID
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score: float = Field(ge=0.0, le=1.0, description="Composite highlight score")
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score_breakdown: HighlightScoreBreakdown
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duration_secs: float = Field(ge=0.0, description="Duration of the key moment in seconds")
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status: str = Field(description="One of: candidate, approved, rejected")
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created_at: datetime
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model_config = {"from_attributes": True}
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class HighlightBatchResult(BaseModel):
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"""Summary of a highlight scoring batch run for one video."""
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video_id: uuid.UUID
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candidates_created: int = Field(ge=0, description="Number of new candidates inserted")
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candidates_updated: int = Field(ge=0, description="Number of existing candidates re-scored")
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top_score: float = Field(ge=0.0, le=1.0, description="Highest score in this batch")
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