Primera versión del backend

2026-05-13 13:43:32 +02:00
parent 7d893c98fa
commit ebc3631cfd
32 changed files with 1264 additions and 0 deletions
@@ -0,0 +1,102 @@
+import enum
+import uuid
+from datetime import datetime
+from typing import Any
+
+from sqlalchemy import DateTime, Enum, Float, ForeignKey, String, Text, func
+from sqlalchemy.dialects.postgresql import JSONB, UUID
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.db.base import Base
+
+
+class QuestionType(str, enum.Enum):
+    MULTICHOICE = "multichoice"
+    TRUE_FALSE = "truefalse"
+    SHORT_ANSWER = "shortanswer"
+    MATCHING = "matching"
+
+
+class Difficulty(str, enum.Enum):
+    EASY = "easy"
+    MEDIUM = "medium"
+    HARD = "hard"
+    VERY_HARD = "very_hard"
+
+
+class ExportStatus(str, enum.Enum):
+    COMPLETED = "completed"
+    FAILED = "failed"
+
+
+class ExportFormat(str, enum.Enum):
+    XML = "xml"
+    TXT = "txt"
+    JSON = "json"
+
+
+class ExamTemplate(Base):
+    __tablename__ = "exam_templates"
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    title: Mapped[str] = mapped_column(String(200), nullable=False)
+    subject: Mapped[str] = mapped_column(String(200), nullable=False)
+    educational_level: Mapped[str] = mapped_column(String(120), nullable=False)
+    language: Mapped[str] = mapped_column(String(20), nullable=False, default="es")
+    settings: Mapped[dict[str, Any]] = mapped_column(JSONB, nullable=False, default=dict)
+    difficulty_profile: Mapped[dict[str, Any]] = mapped_column(JSONB, nullable=False, default=dict)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
+
+    questions: Mapped[list["Question"]] = relationship(
+        back_populates="template",
+        cascade="all, delete-orphan",
+        passive_deletes=True,
+    )
+    export_jobs: Mapped[list["ExportJob"]] = relationship(
+        back_populates="template",
+        cascade="all, delete-orphan",
+        passive_deletes=True,
+    )
+
+
+class Question(Base):
+    __tablename__ = "questions"
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    template_id: Mapped[uuid.UUID] = mapped_column(
+        UUID(as_uuid=True),
+        ForeignKey("exam_templates.id", ondelete="CASCADE"),
+        nullable=False,
+        index=True,
+    )
+    question_type: Mapped[QuestionType] = mapped_column(Enum(QuestionType), nullable=False)
+    statement: Mapped[str] = mapped_column(Text, nullable=False)
+    correct_answers: Mapped[list[str]] = mapped_column(JSONB, nullable=False, default=list)
+    wrong_answers: Mapped[list[str]] = mapped_column(JSONB, nullable=False, default=list)
+    matching_pairs: Mapped[list[dict[str, str]]] = mapped_column(JSONB, nullable=False, default=list)
+    difficulty: Mapped[Difficulty] = mapped_column(Enum(Difficulty), nullable=False, default=Difficulty.MEDIUM)
+    score: Mapped[float] = mapped_column(Float, nullable=False, default=1.0)
+    penalty: Mapped[float] = mapped_column(Float, nullable=False, default=0.0)
+    options: Mapped[dict[str, Any]] = mapped_column(JSONB, nullable=False, default=dict)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+
+    template: Mapped[ExamTemplate] = relationship(back_populates="questions")
+
+
+class ExportJob(Base):
+    __tablename__ = "export_jobs"
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    template_id: Mapped[uuid.UUID] = mapped_column(
+        UUID(as_uuid=True),
+        ForeignKey("exam_templates.id", ondelete="CASCADE"),
+        nullable=False,
+        index=True,
+    )
+    status: Mapped[ExportStatus] = mapped_column(Enum(ExportStatus), nullable=False)
+    format: Mapped[ExportFormat] = mapped_column(Enum(ExportFormat), nullable=False)
+    content: Mapped[str] = mapped_column(Text, nullable=False)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+
+    template: Mapped[ExamTemplate] = relationship(back_populates="export_jobs")