73 | {% endblock content %}
--------------------------------------------------------------------------------
/Session 5 - Databases/Session 5 - notes.pdf:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/campusx-official/flask-course/0461cefed80753f679899a4b5da59d5921cc92a2/Session 5 - Databases/Session 5 - notes.pdf
--------------------------------------------------------------------------------
/Session 5 - Databases/db_crud_demo.py:
--------------------------------------------------------------------------------
1 | from flask import Flask
2 | from flask_sqlalchemy import SQLAlchemy
3 |
4 | app = Flask(__name__)
5 | app.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///employees_db.db" # URL of DB to establish connection
6 | app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False # to hide warnings by SQL Alchemy
7 |
8 | db = SQLAlchemy(app)
9 |
10 | # database models
11 | class Employee(db.Model):
12 | id = db.Column(db.Integer, primary_key=True)
13 | name = db.Column(db.String(50), nullable=False)
14 | age = db.Column(db.Integer, nullable=False)
15 | email = db.Column(db.String(50), nullable=False, unique=True)
16 |
17 | def __repr__(self):
18 | return f"Employee('{self.name}', {self.age}, '{self.email}')"
19 |
20 | # run the flask app
21 | if __name__ == "__main__":
22 | app.run(debug=True)
--------------------------------------------------------------------------------
/Session 5 - Databases/many_to_many.py:
--------------------------------------------------------------------------------
1 | from flask import Flask
2 | from flask_sqlalchemy import SQLAlchemy
3 |
4 | app = Flask(__name__)
5 | app.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///store.db" # URL of DB to establish connection
6 | app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False # to hide warnings by SQL Alchemy
7 |
8 | db = SQLAlchemy(app)
9 |
10 | # association table
11 | customer_product = db.Table(
12 | "customer_product",
13 | db.Column("customer_id", db.Integer, db.ForeignKey("customers.id")),
14 | db.Column("product_id", db.Integer, db.ForeignKey("products.id"))
15 | )
16 |
17 | # database models
18 | class Customer(db.Model):
19 | __tablename__ = "customers"
20 | id = db.Column(db.Integer, primary_key=True)
21 | name = db.Column(db.String(50), nullable=False)
22 | email = db.Column(db.String(50), nullable=False, unique=True)
23 | items = db.relationship("Product", backref="owners", secondary=customer_product)
24 |
25 | def __repr__(self):
26 | return f"Customer('{self.name}', '{self.email}')"
27 |
28 |
29 | class Product(db.Model):
30 | __tablename__ = "products"
31 | id = db.Column(db.Integer, primary_key=True)
32 | product = db.Column(db.String(50), nullable=False)
33 | price = db.Column(db.Integer, nullable=False)
34 |
35 | def __repr__(self):
36 | return f"Product('{self.product}', '{self.price}')"
37 |
38 |
39 | # run the flask app
40 | if __name__ == "__main__":
41 | app.run(debug=True)
--------------------------------------------------------------------------------
/Session 5 - Databases/one_to_many.py:
--------------------------------------------------------------------------------
1 | from flask import Flask
2 | from flask_sqlalchemy import SQLAlchemy
3 |
4 | app = Flask(__name__)
5 | app.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///ipl.db" # URL of DB to establish connection
6 | app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False # to hide warnings by SQL Alchemy
7 |
8 | db = SQLAlchemy(app)
9 |
10 | # database models
11 | class Team(db.Model):
12 | __tablename__ = "teams"
13 | id = db.Column(db.Integer, primary_key=True)
14 | team = db.Column(db.String(50), nullable=False, unique=True)
15 | state = db.Column(db.String(50), nullable=False)
16 | members = db.relationship("Player", backref="team")
17 |
18 | def __repr__(self):
19 | return f"Team('{self.team}', '{self.state}')"
20 |
21 | class Player(db.Model):
22 | __tablename__ = "players"
23 | id = db.Column(db.Integer, primary_key=True)
24 | name = db.Column(db.String(50), nullable=False)
25 | nationality = db.Column(db.String(50), nullable=False)
26 | team_id = db.Column(db.Integer, db.ForeignKey("teams.id"))
27 |
28 | def __repr__(self):
29 | return f"Player('{self.name}', '{self.nationality}')"
30 |
31 |
32 | # run the flask app
33 | if __name__ == "__main__":
34 | app.run(debug=True)
--------------------------------------------------------------------------------
/Session 6 - Sessions/Session 6 - notes.pdf:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/campusx-official/flask-course/0461cefed80753f679899a4b5da59d5921cc92a2/Session 6 - Sessions/Session 6 - notes.pdf
--------------------------------------------------------------------------------
/Session 6 - Sessions/client_sessions.py:
--------------------------------------------------------------------------------
1 | from flask import (
2 | Flask,
3 | render_template,
4 | redirect,
5 | url_for,
6 | flash,
7 | session,
8 | request
9 | )
10 | from forms import LoginForm
11 |
12 | app = Flask(__name__)
13 | app.config["SECRET_KEY"] = "secret_key"
14 |
15 | @app.route("/")
16 | @app.route("/home")
17 | def home():
18 | return render_template("home.html", title="Home")
19 |
20 |
21 | @app.route("/about")
22 | def about():
23 | if "user_name" not in session:
24 | flash("Login Required!")
25 | return redirect(url_for('login', next=request.url))
26 | else:
27 | flash(f"Hi {session["user_name"]}, have a good day!")
28 | return render_template("about.html", title="About")
29 |
30 |
31 | @app.route("/contact")
32 | def contact():
33 | if "user_name" not in session:
34 | flash("Login Required!")
35 | return redirect(url_for('login', next=request.url))
36 | else:
37 | flash(f"Hi {session["user_name"]}, have a good day!")
38 | return render_template("contact.html", title="Contact")
39 |
40 |
41 | @app.route("/login", methods=["GET", "POST"])
42 | def login():
43 | form = LoginForm()
44 | if form.validate_on_submit():
45 | session["user_name"] = form.username.data
46 | flash(f"Successfully logged in as {session["user_name"].title()}!")
47 | next_url = request.args.get("next")
48 | return redirect(next_url or url_for("home"))
49 | return render_template("login.html", title="Login", form=form)
50 |
51 |
52 | if __name__ == "__main__":
53 | app.run(debug=True)
--------------------------------------------------------------------------------
/Session 6 - Sessions/flask_session/2029240f6d1128be89ddc32729463129:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/campusx-official/flask-course/0461cefed80753f679899a4b5da59d5921cc92a2/Session 6 - Sessions/flask_session/2029240f6d1128be89ddc32729463129
--------------------------------------------------------------------------------
/Session 6 - Sessions/flask_session/677e546b8071aa256de8ee836ffb22f5:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/campusx-official/flask-course/0461cefed80753f679899a4b5da59d5921cc92a2/Session 6 - Sessions/flask_session/677e546b8071aa256de8ee836ffb22f5
--------------------------------------------------------------------------------
/Session 6 - Sessions/forms.py:
--------------------------------------------------------------------------------
1 | from flask_wtf import FlaskForm
2 | from wtforms import StringField, PasswordField, SubmitField
3 | from wtforms.validators import DataRequired
4 |
5 |
6 | class LoginForm(FlaskForm):
7 | username = StringField("Username", validators=[DataRequired()])
8 | password = PasswordField("Password", validators=[DataRequired()])
9 | submit = SubmitField("Login")
10 |
--------------------------------------------------------------------------------
/Session 6 - Sessions/server_sessions.py:
--------------------------------------------------------------------------------
1 | from flask import (
2 | Flask,
3 | render_template,
4 | redirect,
5 | url_for,
6 | flash,
7 | session,
8 | request
9 | )
10 | from flask_session import Session
11 | from forms import LoginForm
12 |
13 | app = Flask(__name__)
14 | app.config["SECRET_KEY"] = "secret_key"
15 | app.config["SESSION_TYPE"] = "filesystem"
16 | Session(app)
17 |
18 | @app.route("/")
19 | @app.route("/home")
20 | def home():
21 | return render_template("home.html", title="Home")
22 |
23 |
24 | @app.route("/about")
25 | def about():
26 | if "user_name" not in session:
27 | flash("Login Required!")
28 | return redirect(url_for('login', next=request.url))
29 | else:
30 | flash(f"Hi {session["user_name"]}, have a good day!")
31 | return render_template("about.html", title="About")
32 |
33 |
34 | @app.route("/contact")
35 | def contact():
36 | if "user_name" not in session:
37 | flash("Login Required!")
38 | return redirect(url_for('login', next=request.url))
39 | else:
40 | flash(f"Hi {session["user_name"]}, have a good day!")
41 | return render_template("contact.html", title="Contact")
42 |
43 |
44 | @app.route("/login", methods=["GET", "POST"])
45 | def login():
46 | form = LoginForm()
47 | if form.validate_on_submit():
48 | session["user_name"] = form.username.data
49 | flash(f"Successfully logged in as {session["user_name"].title()}!")
50 | next_url = request.args.get("next")
51 | return redirect(next_url or url_for("home"))
52 | return render_template("login.html", title="Login", form=form)
53 |
54 |
55 | if __name__ == "__main__":
56 | app.run(debug=True)
--------------------------------------------------------------------------------
/Session 6 - Sessions/templates/about.html:
--------------------------------------------------------------------------------
1 | {% extends "layout.html" %}
--------------------------------------------------------------------------------
/Session 6 - Sessions/templates/contact.html:
--------------------------------------------------------------------------------
1 | {% extends "layout.html" %}
--------------------------------------------------------------------------------
/Session 6 - Sessions/templates/home.html:
--------------------------------------------------------------------------------
1 | {% extends "layout.html" %}
2 |
3 | {% block content %}
4 |