Removed the schemas folder and added all the classes to schemas.py

In code restructuring we will import the class from this python file.

Author: aaparikh

Backend/schemas.py

@@ -0,0 +1,123 @@
+class Degree(db.Model):
+    __tablename__ = 'Degree'
+    Degree_ID = db.Column(db.Integer, primary_key=True)
+    year = db.Column(db.Integer, nullable=True)
+    branch = db.Column(db.String(80), nullable=True)
+    batch = db.Column(db.String(10), nullable=True)
+    students = db.relationship('Student', backref='degree', lazy=True)
+
+    def __repr__(self) -> str:
+        return f"{self.Degree_ID} - {self.year}"
+
+
+class Domains(db.Model):
+    __tablename__ = 'Domains'
+    Domain_ID = db.Column(db.Integer, primary_key=True)
+    Domain_name = db.Column(db.String(64), nullable=False, unique=True)
+
+    def __repr__(self) -> str:
+        return f"{self.Domain_ID} - {self.Domain_name}"
+
+
+class Languages(db.Model):
+    __tablename__ = 'Languages'
+    Language_ID = db.Column(db.Integer, primary_key=True)
+    Name = db.Column(db.String(20), nullable=False)
+    students = db.relationship(
+        "Student_Language_M_N", back_populates="language")
+
+    def __repr__(self) -> str:
+        return f"{self.Language_ID} - {self.Name}"
+
+
+class Messages(db.Model):
+    __tablename__ = 'Messages'
+    Message_ID = db.Column(db.Integer, primary_key=True)
+    Sender_ID = db.Column(db.Integer, nullable=False, unique=False)
+    Receiver_ID = db.Column(db.Integer, nullable=False, unique=False)
+    text = db.Column(db.String(200), nullable=False, unique=False)
+    timestamp = db.Column(db.DateTime, nullable=False,
+                          unique=False, default=datetime.utcnow)
+
+    def __repr__(self) -> str:
+        return f"{self.Sender_ID} - {self.Receiver_ID}"
+
+  
+class Projects(db.Model):
+    __tablename__ = 'Projects'
+    Project_ID = db.Column(db.Integer, primary_key=True)
+    Title = db.Column(db.String(20), nullable=True)
+    Description = db.Column(db.String(200), nullable=True)
+    URL = db.Column(db.String(100), nullable=True)
+    Student_ID = db.Column(db.Integer, db.ForeignKey('Student.Student_ID'),
+                           nullable=True)
+
+    def __repr__(self) -> str:
+        return f"{self.Project_ID} - {self.Student_ID}"
+
+
+class Student(db.Model):
+    __tablename__ = 'Student'
+    Student_ID = db.Column(db.Integer, primary_key=True)
+    Bio = db.Column(db.String(200), nullable=True)
+    Email = db.Column(db.String(100), nullable=True)
+    Headline = db.Column(db.String(100), nullable=True)
+    Google_ID = db.Column(db.String(200), unique=True, nullable=True)
+    Image_URL = db.Column(db.String(100), nullable=True)
+    Name = db.Column(db.String(100), nullable=True)
+    Requirements = db.Column(db.String(200), nullable=True)
+    Bloom_filter = db.Column(db.LargeBinary, nullable=True)
+    SocialURL_ID = db.Column(db.Integer, db.ForeignKey('Social_URLs.SocialURL_ID'),
+                             unique=True, nullable=True)
+    Degree_ID = db.Column(db.Integer, db.ForeignKey('Degree.Degree_ID'),
+                          nullable=True)
+    skills = db.relationship('Skills', secondary=Stud_Skill_M_N, lazy='subquery',
+                             backref=db.backref('see_students', lazy=True))
+
+    languages = db.relationship(
+        "Student_Language_M_N", back_populates="student")
+    projects = db.relationship('Projects', backref='student', lazy=True)
+
+    def __repr__(self) -> str:
+        return f"{self.Student_ID} - {self.Name}"
+
+
+class Student_Language_M_N(db.Model):
+    __tablename__ = 'Student_Language_M_N'
+    Language_ID = db.Column(db.Integer, db.ForeignKey(
+        'Languages.Language_ID'), primary_key=True)
+    Student_ID = db.Column(db.Integer, db.ForeignKey(
+        'Student.Student_ID'), primary_key=True)
+    Proficiency = db.Column(db.String(20), nullable=True, unique=False)
+    language = db.relationship("Languages", back_populates="students")
+    student = db.relationship("Student", back_populates="languages")
+
+    def __repr__(self) -> str:
+        return f"{self.Language_ID} - {self.Student_ID}"
+
+
+class Social_URLs(db.Model):
+    __tablename__ = 'Social_URLs'
+    SocialURL_ID = db.Column(db.Integer, primary_key=True)
+    codechef = db.Column(db.String(100), unique=True, nullable=True)
+    hackerrank = db.Column(db.String(100), unique=True, nullable=True)
+    leetcode = db.Column(db.String(100), unique=True, nullable=True)
+    linkedin = db.Column(db.String(100), unique=True, nullable=True)
+    github = db.Column(db.String(100), unique=True, nullable=True)
+    twitter = db.Column(db.String(100), unique=True, nullable=True)
+    student = db.relationship(
+        'Student', backref='social_urls', lazy=True, uselist=False)
+
+    def __repr__(self) -> str:
+        return f"{self.Social_URL_ID}"
+
+
+class Skills(db.Model):
+    __tablename__ = 'Skills'
+    Skill_ID = db.Column(db.Integer, primary_key=True)
+    Skill_name = db.Column(db.String(64), nullable=False, unique=True)
+    domains_in_skill = db.relationship('Domains', secondary=Skill_Domain_M_N, lazy='subquery',
+                                       backref=db.backref('see_skills', lazy=True))
+
+    def __repr__(self) -> str:
+        return f"{self.Skill_ID} - {self.Skill_name}"