feat: add substract with image reference

app/schemas/grade_1/__init__.py

@@ -10,6 +10,10 @@ from app.schemas.grade_1.join_pictures_with_quantity import (
     JoinPicturesWithQuantityProblem,
     JoinPicturesWithQuantityRequest,
 )
+from app.schemas.grade_1.subtract_with_image_reference import (
+    SubtractWithImageReferenceProblem,
+    SubtractWithImageReferenceRequest,
+)
 from app.schemas.grade_1.sum_with_image_reference import (
     SumWithImageReferenceProblem,
     SumWithImageReferenceRequest,
@@ -26,6 +30,8 @@ __all__ = [
     "JoinCorrespondingSumsRequest",
     "JoinPicturesWithQuantityProblem",
     "JoinPicturesWithQuantityRequest",
+    "SubtractWithImageReferenceProblem",
+    "SubtractWithImageReferenceRequest",
     "SumWithImageReferenceProblem",
     "SumWithImageReferenceRequest",
     "WhereAreMoreItemsProblem",

app/schemas/grade_1/subtract_with_image_reference.py

@@ -0,0 +1,40 @@
+from pydantic import BaseModel, Field, NonNegativeInt, PositiveInt
+
+
+class PictureAsset(BaseModel):
+    id: str = Field(min_length=1)
+    name: str = Field(min_length=1)
+    image_path: str = Field(min_length=1)
+
+
+class SubtractionEquation(BaseModel):
+    initial_quantity: PositiveInt
+    removed_quantity: PositiveInt
+    remaining_quantity: NonNegativeInt
+    symbol: str = "-"
+    equals_symbol: str = "="
+
+
+class FigureGroup(BaseModel):
+    label: str = Field(min_length=1)
+    quantity: NonNegativeInt
+    picture: PictureAsset
+
+
+class SubtractWithImageReferenceProblem(BaseModel):
+    title: str = "¿Cuántos quedan?"
+    question: str
+    object_name: str = Field(min_length=1)
+    actor_name: str = Field(min_length=1)
+    figure: PictureAsset
+    remaining_group: FigureGroup
+    subtracted_group: FigureGroup
+    equation: SubtractionEquation
+
+
+class SubtractWithImageReferenceRequest(BaseModel):
+    object_name: str = Field(min_length=1)
+    initial_quantity: PositiveInt
+    removed_quantity: PositiveInt
+    figure: PictureAsset
+    actor_name: str = Field(default="Diego", min_length=1)