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from enum import StrEnum, auto
from typing import TypedDict
from uuid import UUID, uuid4
from sqlalchemy import TIMESTAMP, Column
from sqlalchemy.dialects.postgresql import JSONB
from sqlalchemy.orm import Mapped
from sqlalchemy.sql.functions import now
from sqlmodel import Field, Relationship, SQLModel, col, func
class DialogueEntry(TypedDict):
speaker: str
text: str
start_time: float
end_time: float
# Create factory functions for columns to avoid reusing column objects
def created_datetime_column():
return Column(TIMESTAMP(timezone=True), nullable=False, server_default=now(), default=None)
def updated_datetime_column():
return Column(TIMESTAMP(timezone=True), nullable=False, server_default=now(), default=None)
class BaseTableMixin(SQLModel):
# Note, we can't add created/updated_datetime Columns here, as each table needs its own instance of these Columns
model_config = { # noqa: RUF012
"from_attributes": True,
}
id: UUID = Field(
default_factory=uuid4, primary_key=True, sa_column_kwargs={"server_default": func.gen_random_uuid()}
)
class JobStatus(StrEnum):
AWAITING_START = auto()
IN_PROGRESS = auto()
COMPLETED = auto()
FAILED = auto()
class ContentSource(StrEnum):
MANUAL_EDIT = auto()
AI_EDIT = auto()
INITIAL_GENERATION = auto()
class MinuteVersion(BaseTableMixin, table=True):
__tablename__ = "minute_version"
created_datetime: datetime = Field(sa_column=created_datetime_column(), default=None)
updated_datetime: datetime = Field(sa_column=updated_datetime_column(), default=None)
minute_id: UUID = Field(foreign_key="minute.id", ondelete="CASCADE")
minute: Mapped["Minute"] = Relationship(back_populates="minute_versions")
hallucinations: list["Hallucination"] = Relationship(back_populates="minute_version", cascade_delete=True)
html_content: str = Field(default="", sa_column_kwargs={"server_default": ""})
status: JobStatus = Field(
default=JobStatus.AWAITING_START, sa_column_kwargs={"server_default": JobStatus.AWAITING_START.name}
)
error: str | None = None
ai_edit_instructions: str | None = Field(
default=None, description="If the content source is an AI edit, store the instruction here"
)
content_source: ContentSource = Field(
default=ContentSource.INITIAL_GENERATION,
sa_column_kwargs={"server_default": ContentSource.INITIAL_GENERATION.name},
)
class Minute(BaseTableMixin, table=True):
__tablename__ = "minute"
created_datetime: datetime = Field(sa_column=created_datetime_column(), default=None)
updated_datetime: datetime = Field(sa_column=updated_datetime_column(), default=None)
transcription_id: UUID = Field(foreign_key="transcription.id", ondelete="CASCADE")
transcription: Mapped["Transcription"] = Relationship(back_populates="minutes")
template_name: str = Field(default="General")
user_template_id: UUID | None = Field(
foreign_key="user_template.id", nullable=True, ondelete="SET NULL", default=None
)
user_template: "UserTemplate" = Relationship(back_populates="minutes")
agenda: str | None = Field(nullable=True, default=None)
minute_versions: Mapped[list["MinuteVersion"]] = Relationship(
back_populates="minute",
cascade_delete=True,
sa_relationship_kwargs={"order_by": col(MinuteVersion.created_datetime).desc()},
)
class HallucinationType(StrEnum):
FACTUAL_FABRICATION = auto()
NONSENSICAL = auto()
CONTRADICTION = auto()
MISLEADING = auto()
OTHER = auto()
class Hallucination(BaseTableMixin, table=True):
__tablename__ = "hallucination"
created_datetime: datetime = Field(sa_column=created_datetime_column(), default=None)
updated_datetime: datetime = Field(sa_column=updated_datetime_column(), default=None)
minute_version_id: UUID = Field(foreign_key="minute_version.id", ondelete="CASCADE")
minute_version: MinuteVersion = Relationship(back_populates="hallucinations")
hallucination_type: HallucinationType = Field(description="Type of hallucination", default=HallucinationType.OTHER)
hallucination_text: str | None = Field(description="Text of hallucination", default=None)
hallucination_reason: str | None = Field(description="Reason for hallucination", default=None)
# Main models with table=True for DB tables
class User(BaseTableMixin, table=True):
__tablename__ = "user"
created_datetime: datetime = Field(sa_column=created_datetime_column(), default=None)
updated_datetime: datetime = Field(sa_column=updated_datetime_column(), default=None)
email: str = Field(index=True)
data_retention_days: int | None = Field(default=30)
transcriptions: list["Transcription"] = Relationship(back_populates="user")
class Recording(BaseTableMixin, table=True):
__tablename__ = "recording"
created_datetime: datetime = Field(sa_column=created_datetime_column(), default=None)
user_id: UUID = Field(foreign_key="user.id", nullable=False)
s3_file_key: str
transcription_id: UUID | None = Field(default=None, foreign_key="transcription.id", ondelete="SET NULL")
transcription: "Transcription" = Relationship(back_populates="recordings")
class Chat(BaseTableMixin, table=True):
__tablename__ = "chat"
created_datetime: datetime = Field(sa_column=created_datetime_column(), default=None)
updated_datetime: datetime = Field(sa_column=updated_datetime_column(), default=None)
transcription_id: UUID = Field(foreign_key="transcription.id", ondelete="CASCADE")
transcription: Mapped["Transcription"] = Relationship(back_populates="chat")
user_content: str = Field(default=None)
assistant_content: str | None = Field(default=None)
status: JobStatus = Field(
default=JobStatus.AWAITING_START, sa_column_kwargs={"server_default": JobStatus.AWAITING_START.name}
)
error: str | None = Field(default=None)
class Transcription(BaseTableMixin, table=True):
__tablename__ = "transcription"
created_datetime: datetime = Field(sa_column=created_datetime_column(), default=None)
updated_datetime: datetime = Field(sa_column=updated_datetime_column(), default=None)
title: str | None = Field(default=None)
dialogue_entries: list[DialogueEntry] | None = Field(default=None, sa_column=Column(JSONB))
status: JobStatus = Field(
default=JobStatus.AWAITING_START, sa_column_kwargs={"server_default": JobStatus.AWAITING_START.name}
)
error: str | None = Field(default=None)
user: User | None = Relationship(back_populates="transcriptions")
user_id: UUID | None = Field(default=None, foreign_key="user.id")
minutes: list[Minute] = Relationship(
back_populates="transcription",
cascade_delete=True,
sa_relationship_kwargs={"order_by": col(Minute.created_datetime).desc()},
)
# Kept old minute versions so we can migrate them
legacy_minute_versions: list[dict] | None = Field(sa_column=Column(name="minute_versions", type_=JSONB), default=[])
recordings: Mapped[list[Recording]] = Relationship(
back_populates="transcription",
sa_relationship_kwargs={"order_by": col(Recording.created_datetime).desc()},
)
chat: list[Chat] = Relationship(
back_populates="transcription",
cascade_delete=True,
sa_relationship_kwargs={"order_by": col(Chat.created_datetime).desc()},
)
class TemplateType(StrEnum):
DOCUMENT = auto()
FORM = auto()
class TemplateQuestion(BaseTableMixin, table=True):
__tablename__ = "template_question"
position: int
title: str
description: str
user_template_id: UUID = Field(foreign_key="user_template.id", ondelete="CASCADE")
user_template: "UserTemplate" = Relationship(back_populates="questions")
class UserTemplate(BaseTableMixin, table=True):
__tablename__ = "user_template"
created_datetime: datetime = Field(sa_column=created_datetime_column(), default=None)
updated_datetime: datetime = Field(sa_column=updated_datetime_column(), default=None)
name: str
content: str
description: str = ""
type: TemplateType = TemplateType.DOCUMENT
user_id: UUID | None = Field(default=None, foreign_key="user.id")
minutes: list[Minute] = Relationship(back_populates="user_template")
questions: list[TemplateQuestion] = Relationship(
back_populates="user_template",
passive_deletes="all",
sa_relationship_kwargs={"order_by": TemplateQuestion.position},
)
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