Changes to endpoints so they allow to only get context and then the exercises as well as tidying up a bit

app/dtos/exams/level.py

@@ -0,0 +1,57 @@
+from pydantic import BaseModel, Field
+from typing import List, Dict, Union, Optional
+from uuid import uuid4, UUID
+
+
+class Option(BaseModel):
+    id: str
+    text: str
+
+
+class MultipleChoiceQuestion(BaseModel):
+    id: str
+    prompt: str
+    variant: str = "text"
+    solution: str
+    options: List[Option]
+
+
+class MultipleChoiceExercise(BaseModel):
+    id: UUID = Field(default_factory=uuid4)
+    type: str = "multipleChoice"
+    prompt: str = "Select the appropriate option."
+    questions: List[MultipleChoiceQuestion]
+    userSolutions: List = Field(default_factory=list)
+
+
+class FillBlanksWord(BaseModel):
+    id: str
+    options: Dict[str, str]
+
+
+class FillBlanksSolution(BaseModel):
+    id: str
+    solution: str
+
+
+class FillBlanksExercise(BaseModel):
+    id: UUID = Field(default_factory=uuid4)
+    type: str = "fillBlanks"
+    variant: str = "mc"
+    prompt: str = "Click a blank to select the appropriate word for it."
+    text: str
+    solutions: List[FillBlanksSolution]
+    words: List[FillBlanksWord]
+    userSolutions: List = Field(default_factory=list)
+
+
+Exercise = Union[MultipleChoiceExercise, FillBlanksExercise]
+
+
+class Part(BaseModel):
+    exercises: List[Exercise]
+    context: Optional[str] = Field(default=None)
+
+
+class Exam(BaseModel):
+    parts: List[Part]