app.py

from flask import Flask,render_template, url_for, redirect
from flask_sqlalchemy import SQLAlchemy
from flask_login import UserMixin, login_user, LoginManager, login_required, logout_user, current_user
from flask_wtf import FlaskForm
from wtforms import StringField, PasswordField, SubmitField
from wtforms.validators import InputRequired, Length, ValidationError
from flask_bcrypt import Bcrypt


db = SQLAlchemy()
bcrypt = Bcrypt()
app = Flask(__name__)
app.config["SQLALCHEMY_DATABASE_URI"] = 'sqlite:///database1.db'
app.config["SECRET_KEY"] = 'thisisasecretkey'
db.init_app(app)
app.app_context().push()

login_manager = LoginManager()
login_manager.init_app(app)
login_manager.login_view = 'login'


@login_manager.user_loader
def load_user(user_id):
    return User.query.get(int(user_id))


@app.route('/')
def home():
    return render_template('homepage.html')

@app.route('/home')
def home1():
    return render_template('homepage.html')

@app.route('/formfilled')
def formfilled():
    return render_template('formFilled.html')   

@app.route('/about')
def about():
    return render_template('About.html')

@app.route('/complaint')
def complaint():
    return render_template('complaintForm.html')

@app.route('/contact')
def contact():
    return render_template('contact.html')

@app.route('/dashboard', methods=['GET', 'POST'])
@login_required
def dashboard():
    return render_template('adminDash.html')

@app.route('/dashboard2', methods=['GET', 'POST'])
@login_required
def dashboard2():
    return render_template('studentDash.html')

@app.route('/login', methods=['GET','POST'])
def login():
    form = LoginForm()

    if form.validate_on_submit():
        user = User.query.filter_by(username=form.username.data).first()
        if user:
            if bcrypt.check_password_hash(user.password, form.password.data):
                login_user(user)
                return redirect(url_for('dashboard'))
    return render_template('adminLogin.html', form=form)

@app.route('/student-login', methods=['GET','POST'])
def login1():
    form = LoginForm()

    if form.validate_on_submit():
        user = User.query.filter_by(username=form.username.data).first()
        if user:
            if bcrypt.check_password_hash(user.password, form.password.data):
                login_user(user)
                return redirect(url_for('dashboard2'))
    return render_template('studentLogin.html', form=form)


@app.route('/register', methods=['GET','POST'])
def register():
    form = RegisterForm()

    if form.validate_on_submit():
        hashed_password = bcrypt.generate_password_hash(form.password.data)
        new_user = User(username=form.username.data, password=hashed_password)
        db.session.add(new_user)
        db.session.commit()
        return redirect(url_for('login'))

    return render_template('adminSignup.html', form=form)

@app.route('/register2', methods=['GET','POST'])
def register2():
    form = RegisterForm()

    if form.validate_on_submit():
        hashed_password = bcrypt.generate_password_hash(form.password.data)
        new_user = User(username=form.username.data, password=hashed_password)
        db.session.add(new_user)
        db.session.commit()
        return redirect(url_for('login'))

    return render_template('studentSignup.html', form=form)



class User(db.Model, UserMixin):
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(20), nullable=False, unique=True)
    password = db.Column(db.String(80), nullable=False)

class RegisterForm(FlaskForm):
    username = StringField(validators=[
                           InputRequired(), Length(min=4, max=20)], render_kw={"placeholder": "Username"})

    password = PasswordField(validators=[
                             InputRequired(), Length(min=8, max=20)], render_kw={"placeholder": "Password"})

    submit = SubmitField('Register')

    def validate_username(self, username):
        existing_user_username = User.query.filter_by(
            username=username.data).first()
        if existing_user_username:
            raise ValidationError(
                'That username already exists. Please choose a different one.')

class LoginForm(FlaskForm):
    username = StringField(validators=[
                           InputRequired(), Length(min=4, max=120)], render_kw={"placeholder": "email"})

    password = PasswordField(validators=[
                             InputRequired(), Length(min=8, max=20)], render_kw={"placeholder": "Password"})

    submit = SubmitField('Login')

if __name__ == '__main__':
    app.run(debug=True)