feat: colors for card tags

models/card_tag.py

@@ -1,6 +1,6 @@
 from typing import TYPE_CHECKING
 
-from sqlalchemy import ForeignKey, Column, Table, UniqueConstraint, Index
+from sqlalchemy import ForeignKey, Column, Table, Index
 from sqlalchemy.orm import mapped_column, Mapped, relationship
 
 from models import BaseModel
@@ -8,7 +8,6 @@ from models import BaseModel
 if TYPE_CHECKING:
     from models import Project, Card
 
-
 cards_card_tags = Table(
     'cards_card_tags',
     BaseModel.metadata,
@@ -17,6 +16,16 @@ cards_card_tags = Table(
 )
 
 
+class CardTagColor(BaseModel):
+    __tablename__ = "card_tag_colors"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    label: Mapped[str] = mapped_column(unique=True)
+    color: Mapped[str] = mapped_column(unique=True)
+    background_color: Mapped[str] = mapped_column(unique=True)
+    is_deleted: Mapped[bool] = mapped_column(default=False, nullable=False)
+
+
 class CardTag(BaseModel):
     __tablename__ = 'card_tags'
 
@@ -40,6 +49,15 @@ class CardTag(BaseModel):
         back_populates='tags',
     )
 
+    tag_color_id: Mapped[int] = mapped_column(
+        ForeignKey('card_tag_colors.id'),
+        nullable=False,
+    )
+    tag_color: Mapped[CardTagColor] = relationship(
+        'CardTagColor',
+        lazy='selectin',
+    )
+
     __table_args__ = (
         Index('idx_card_name_project_id', 'name', 'project_id', 'is_deleted'),
     )

routers/card_tag.py

@@ -61,3 +61,14 @@ async def switch_tag(
         request: SwitchTagRequest,
 ):
     return await CardTagService(session).switch_tag(request)
+
+
+@card_tag_router.get(
+    '/colors',
+    response_model=GetTagColorsResponse,
+    operation_id='get_colors',
+)
+async def get_colors(
+        session: Annotated[AsyncSession, Depends(get_session)],
+):
+    return await CardTagService(session).get_tag_colors()

schemas/card_tag.py

@@ -5,14 +5,22 @@ from schemas.base import BaseSchema, OkMessageSchema
 
 # region Entities
 
+class CardTagColorSchema(BaseSchema):
+    id: int
+    color: str
+    background_color: str
+    label: str
+
+
 class BaseCardTagSchema(BaseSchema):
     name: str
     project_id: int
+    tag_color_id: int
 
 
 class CardTagSchema(BaseCardTagSchema):
     id: int
-
+    tag_color: CardTagColorSchema
 
 # endregion
 
@@ -50,4 +58,8 @@ class DeleteTagResponse(OkMessageSchema):
 class SwitchTagResponse(OkMessageSchema):
     pass
 
+
+class GetTagColorsResponse(BaseSchema):
+    colors: list[CardTagColorSchema]
+
 # endregion

services/card_tag.py

@@ -1,7 +1,7 @@
 from sqlalchemy import select
 from sqlalchemy.orm import selectinload
 
-from models import CardTag, Card, CardGroup
+from models import CardTag, Card, CardGroup, CardTagColor
 from schemas.card_tag import *
 from services.base import BaseService
 
@@ -24,7 +24,11 @@ class CardTagService(BaseService):
         if existing_tag:
             return UpdateTagResponse(ok=False, message='Тег с таким названием уже существует')
 
-        tag = CardTag(name=request.tag.name, project_id=request.tag.project_id)
+        tag = CardTag(
+            name=request.tag.name,
+            project_id=request.tag.project_id,
+            tag_color_id=request.tag.tag_color_id,
+        )
         self.session.add(tag)
         await self.session.commit()
         return CreateTagResponse(ok=True, message='Тег успешно создан')
@@ -41,6 +45,8 @@ class CardTagService(BaseService):
 
             card_tag.name = request.tag.name
 
+        card_tag.tag_color_id = request.tag.tag_color_id
+
         await self.session.commit()
         return UpdateTagResponse(ok=True, message='Тег успешно обновлен')
 
@@ -127,3 +133,11 @@ class CardTagService(BaseService):
             card.tags = tags
 
         await self.session.flush()
+
+    async def get_tag_colors(self) -> GetTagColorsResponse:
+        stmt = (
+            select(CardTagColor)
+            .where(CardTagColor.is_deleted==False)
+        )
+        colors = (await self.session.scalars(stmt)).all()
+        return GetTagColorsResponse(colors=colors)