init erd

src/models/choice.py

@@ -1,5 +1,5 @@
 # models.py
-from sqlalchemy import Column, Integer, String, ForeignKey, DateTime, func
+from sqlalchemy import Column, Integer, String, ForeignKey, DateTime, func, Boolean
 from sqlalchemy.orm import relationship
 from src.models.base import BaseModel
 
@@ -8,7 +8,10 @@ class Choice(BaseModel):
     
     id = Column(Integer, primary_key=True, index=True)
     question_id = Column(Integer, ForeignKey("questions.id"), nullable=False)
-    choice_text = Column(String(255), nullable=False)
+    context = Column(String(255), nullable=False)
+    is_correct = Column(Boolean, nullable=False, default=False)
+    explanation = Column(String(255), nullable=True)
+
     created_at = Column(DateTime(timezone=True), server_default=func.now())  
     updated_at = Column(DateTime(timezone=True), onupdate=func.now(), server_default=func.now())  
 

src/models/comment.py

@@ -1,5 +1,5 @@
 # models.py
-from sqlalchemy import Column, Integer, ForeignKey, Text, DateTime, func
+from sqlalchemy import Column, Integer, ForeignKey, Text, DateTime, func, String
 from sqlalchemy.orm import relationship
 from src.models.base import BaseModel
 
@@ -9,7 +9,7 @@ class Comment(BaseModel):
     id = Column(Integer, primary_key=True, index=True)
     question_id = Column(Integer, ForeignKey("questions.id"), nullable=False)
     user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
-    comment_text = Column(Text, nullable=False)
+    context = Column(String(255), nullable=False)
     created_at = Column(DateTime(timezone=True), server_default=func.now())  
     updated_at = Column(DateTime(timezone=True), onupdate=func.now(), server_default=func.now())  
 

src/models/exam.py

@@ -0,0 +1,25 @@
+# models.py
+from sqlalchemy import Column, Integer, String, Text, DateTime, func
+from sqlalchemy.orm import relationship
+from src.models.base import BaseModel
+
+
+class Exam(BaseModel):
+    __tablename__ = "users"
+
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(String(50), unique=True, nullable=False, index=True) # belong to user?
+    title = Column(String(100), nullable=False) # gửi lên default là exam_username_new_date
+    duration = Column(Integer, nullable=False)
+    num_question = Column(Integer, nullable=False)
+    notes = Column(Text, nullable=False)
+
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    updated_at = Column(DateTime(timezone=True), onupdate=func.now(), server_default=func.now())
+
+    questions = relationship(
+        "Question",
+        back_populates="user",
+        cascade="all, delete",
+        passive_deletes=True
+    )

src/models/exam_answer.py

@@ -0,0 +1,23 @@
+# models.py
+from xmlrpc.client import Boolean
+
+from sqlalchemy import Column, Integer, String, Text, DateTime, func
+from sqlalchemy.orm import relationship
+from src.models.base import BaseModel
+
+
+class ExamAttempt(BaseModel):
+    __tablename__ = "users"
+
+    id = Column(Integer, primary_key=True, index=True)
+    question_id = Column(String(50), unique=True, nullable=False, index=True) # nguoi thi
+    exam_attempt_id = Column(String(50), unique=True, nullable=False, index=True) # nguoi thi
+    is_selected = Column(Boolean, nullable=False, default=False)
+    is_correct = Column(Boolean, nullable=False, default=False)
+
+    questions = relationship(
+        "Question",
+        back_populates="user",
+        cascade="all, delete",
+        passive_deletes=True
+    )

src/models/exam_attempt.py

@@ -0,0 +1,22 @@
+# models.py
+from sqlalchemy import Column, Integer, String, Text, DateTime, func
+from sqlalchemy.orm import relationship
+from src.models.base import BaseModel
+
+
+class ExamAttempt(BaseModel):
+    __tablename__ = "users"
+
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(String(50), unique=True, nullable=False, index=True) # nguoi thi
+    exam_id = Column(String(50), unique=True, nullable=False, index=True) # nguoi thi
+    started_at = Column(DateTime(timezone=True), server_default=func.now())
+    submitted_at = Column(DateTime(timezone=True), server_default=func.now())
+    score = Column(Integer, nullable=False)
+
+    questions = relationship(
+        "Question",
+        back_populates="user",
+        cascade="all, delete",
+        passive_deletes=True
+    )

src/models/question.py

@@ -9,10 +9,8 @@ class Question(BaseModel):
     
     id = Column(Integer, primary_key=True, index=True)
     user_id = Column(Integer, ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
-    topic = Column(String(100), nullable=False)
-    context = Column(Text, nullable=False) 
-    question_text = Column(Text, nullable=False)
-    correct_choice = Column(String(255), nullable=False)
+    context = Column(Text, nullable=False)
+    description = Column(Text, nullable=True) # danh cho cau hoi doan van
     tags = Column(Text, nullable=True)
     created_at = Column(DateTime(timezone=True), server_default=func.now())  
     updated_at = Column(DateTime(timezone=True), onupdate=func.now(), server_default=func.now())