Merge pull request #240 from raihankhan-rk/raihan

fixed #235

scripts/Authentication System using Flask/main.py

@@ -0,0 +1,95 @@
+from flask import Flask, render_template, redirect, url_for, flash
+from flask_sqlalchemy import SQLAlchemy
+from flask_login import UserMixin, LoginManager, login_user, login_required, current_user, logout_user
+from flask_wtf import FlaskForm
+from wtforms import StringField, PasswordField, SubmitField
+from wtforms.validators import ValidationError, InputRequired, Length
+from flask_bcrypt import Bcrypt
+
+app = Flask(__name__)
+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///database.db'
+db = SQLAlchemy(app)
+app.config['SECRET_KEY'] = 'YOUR_SECRET_KEY'
+bcrypt = Bcrypt(app)
+
+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))
+
+
+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 RegistrationForm(FlaskForm):
+    username = StringField(validators=[InputRequired(), Length(min=4, max=20)], render_kw={"placeholder": "Username"})
+    password = PasswordField(validators=[InputRequired(), Length(min=4, 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! Try a different one.")
+
+class LoginForm(FlaskForm):
+    username = StringField(validators=[InputRequired(), Length(min=4, max=20)], render_kw={"placeholder": "Username"})
+    password = PasswordField(validators=[InputRequired(), Length(min=4, max=20)], render_kw={"placeholder": "Password"})
+    submit = SubmitField("Login")
+
+@app.route('/')
+def home():
+    return render_template('home.html')
+
+@app.route('/dashboard', methods=["GET", "POST"])
+@login_required
+def dashboard():
+    return render_template('dashboard.html')
+
+@app.route('/logout', methods=["GET", "POST"])
+@login_required
+def logout():
+    logout_user()
+    return redirect(url_for('login'))
+
+@app.route('/login', methods=["GET", "POST"])
+def login():
+    if current_user.is_authenticated:
+        return redirect(url_for('dashboard'))
+
+    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'))
+            else:
+                flash("Incorrect Password! Please Try again")
+        else:
+            flash("This email is not registered. Try Signing Up!")
+
+    return render_template('login.html', form=form)
+
+@app.route('/register', methods=["GET", "POST"])
+def register():
+    if current_user.is_authenticated:
+        return redirect(url_for('dashboard'))
+    form = RegistrationForm()
+
+    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('register.html', form=form)
+
+if __name__ == '__main__':
+    app.run(debug=True)

scripts/Stock Alert App/main.py

@@ -0,0 +1,87 @@
+import requests
+import smtplib
+from email.message import EmailMessage
+
+MY_EMAIL = ""
+MY_PASSWORD = ""
+
+recipients = []
+
+em = EmailMessage()
+em['From'] = MY_EMAIL
+
+STOCK_LIST = {"TSLA": "Tesla Inc.",
+              "AAPL": "Apple Inc.",
+              "FB": "Meta Platforms, Inc.",
+              "GOOG": "Alphabet Inc.",
+              "NFLX": "Netflix, Inc",
+              }
+
+STOCK_ENDPOINT = "https://www.alphavantage.co/query"
+NEWS_ENDPOINT = "https://newsapi.org/v2/everything"
+
+STOCK_API_KEY = ""
+NEWS_API_KEY = ""
+
+message = "\n"
+
+for key in STOCK_LIST:
+    stock_params = {
+        "function": "TIME_SERIES_DAILY",
+        "symbol": key,
+        "apikey": STOCK_API_KEY,
+    }
+    COMPANY_NAME = STOCK_LIST[key]
+
+    response = requests.get(STOCK_ENDPOINT, params=stock_params)
+    data = response.json()["Time Series (Daily)"]
+    data_list = [value for (key, value) in data.items()]
+    yesterday_data = data_list[0]
+    yesterday_closing_price = yesterday_data["4. close"]
+    day_before_yesterday_data = data_list[1]
+    day_before_yesterday_closing_price = day_before_yesterday_data["4. close"]
+    difference = (float(yesterday_closing_price) - float(day_before_yesterday_closing_price))
+    if difference > 0:
+        notation = "🔺"
+        updown = "up"
+    else:
+        notation = "🔻"
+        updown = "down"
+
+    difference = abs(float(yesterday_closing_price) - float(day_before_yesterday_closing_price))
+    diff_percent = round(((difference / float(yesterday_closing_price)) * 100), 2)
+
+    if diff_percent > 0.05:
+        news_params = {
+            "apiKey": NEWS_API_KEY,
+            "qInTitle": COMPANY_NAME,
+        }
+        news_response = requests.get(NEWS_ENDPOINT, params=news_params)
+        articles = news_response.json()["articles"]
+        article = articles[0]
+
+        message = message + f"{COMPANY_NAME}({key}): {notation}{diff_percent}%\nHeadlines: {article['title']}. \nBrief: {article['description']}\n\n"
+
+
+print(message)
+with smtplib.SMTP("smtp.gmail.com", port=587) as server:
+    server.starttls()
+    server.login(user=MY_EMAIL, password=MY_PASSWORD)
+    em["Subject"] = "Your daily watchlist 📈"
+    for recipient in recipients:
+        em.set_content(message)
+        em['To'] = recipient
+        server.send_message(em)
+        del em["To"]
+
+
+
+"""
+TSLA: 🔺2%
+Headline: Were Hedge Funds Right About Piling Into Tesla Inc. (TSLA)?. 
+Brief: We at Insider Monkey have gone over 821 13F filings that hedge funds and prominent investors are required to file by the SEC The 13F filings show the funds' and investors' portfolio positions as of March 31st, near the height of the coronavirus market crash.
+or
+"TSLA: 🔻5%
+Headline: Were Hedge Funds Right About Piling Into Tesla Inc. (TSLA)?. 
+Brief: We at Insider Monkey have gone over 821 13F filings that hedge funds and prominent investors are required to file by the SEC The 13F filings show the funds' and investors' portfolio positions as of March 31st, near the height of the coronavirus market crash.
+"""