/
views.py
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/
views.py
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from credentials import SECRET_KEY
from flask import Flask, request, render_template, flash, redirect, url_for
from flask.ext.login import LoginManager, login_user, login_required, logout_user, session, current_user
from database import db_session
from models import *
import datetime
from forms import EditProfileForm, EditAlertForm
from sqlalchemy import desc
from json import loads
from generate_plots import get_plot
app = Flask(__name__)
login_manager = LoginManager()
app.secret_key = SECRET_KEY
login_manager.init_app(app)
login_manager.login_view = "login"
@login_manager.user_loader
def load_user(id):
return db_session.query(User).get(int(id))
@app.route("/login", methods=["GET", "POST"])
def login():
error = None
page = 'login'
if request.method == 'POST':
user = db_session.query(User).filter_by(name=request.form['username']).first()
if user == None or request.form['password'] != user.password:
error = 'Invalid login information'
else:
session['logged_in'] = True
login_user(user)
flash('You were logged in')
return redirect(url_for('user_home_page'))
return render_template('login.html', error=error, page=page)
@app.route("/signup", methods=["GET", "POST"])
def signup():
error = None
page = 'signup'
if request.method == 'POST':
user_check = db_session.query(User).filter_by(name=request.form['username']).first()
if user_check != None:
error = 'User name already taken, please choose another one'
else:
session['logged_in'] = True
user = User(name=request.form['username'], password=request.form['password'],
email=request.form['email'], phone=request.form['phone'])
db_session.add(user)
db_session.commit()
login_user(user)
flash('Thanks for signing up, you are now logged in')
return redirect(url_for('user_home_page'))
return render_template('signup.html', error=error, page=page)
@app.route("/about")
def about():
return render_template('about.html')
@app.route("/", methods=["GET", "POST"])
@login_required
def user_home_page():
message1 = "Welcome back, " + current_user.name
alerts = db_session.query(Alert).filter_by(user=current_user).all()
return render_template("user_home_page.html", message1=message1, alerts=alerts)
@app.route("/newalert", methods=["GET", "POST"])
@login_required
def newalert():
error = None
return render_template("newalert.html", error=error)
@app.route('/add', methods=['GET', 'POST'])
@login_required
def add_alert():
email = False; textmessage = False
notifications_list = request.form.getlist('notifications')
if 'email' in notifications_list:
email = True
if 'textmessage' in notifications_list:
textmessage = True
alert = Alert(name=request.form['name'], link=request.form['link'],
interval=request.form['interval'], email=email,
text=textmessage, status=1, last_24=0, post_cnt=0,
last_update=datetime.date.today(), user=current_user)
db_session.add(alert)
db_session.commit()
flash('New alert was created')
return redirect(url_for('user_home_page'))
@app.route('/editprofile', methods=['GET', 'POST'])
@login_required
def editprofile():
form = EditProfileForm(current_user.name)
if form.validate_on_submit():
current_user.name = form.name.data
current_user.email = form.email.data
current_user.phone = form.phone.data
db_session.add(current_user)
db_session.commit()
flash('Your changes have been saved.')
return redirect(url_for('editprofile'))
elif request.method != "POST":
form.name.data = current_user.name
form.email.data = current_user.email
form.phone.data = current_user.phone
return render_template('editprofile.html', form=form)
@app.route('/alertstatus/<alertname>', methods=['GET', 'POST'])
@login_required
def alertstatus(alertname):
alert = db_session.query(Alert).filter_by(user=current_user, name=alertname).first()
if alert.email:
email="Yes"
else:
email="No"
if alert.text:
text="Yes"
else:
text="No"
if alert.status:
active="Active"
else:
active="Inactive"
# Load the last 10 posts and display on status page
last_scrape = db_session.query(Scrape).filter_by(alert=alert).order_by(desc('dt')).first()
pairs = []
if last_scrape:
descs = loads(last_scrape.descs)
prices = loads(last_scrape.prices)
sub_links = loads(last_scrape.links)
root_link = alert.link.split("org")[0] + "org"
links = []
for sub_link in sub_links:
links.append(root_link + sub_link)
if len(links) > 10:
links = links[:10]
descs = descs[:10]
# append prices to description
for i in range(len(descs)):
if prices[i]:
descs[i] = descs[i] + " - " + prices[i]
for i in range(len(descs)):
pairs.append((descs[i], links[i]))
# Get the filepath for the new posts plot
pname = "/" + get_plot(alert)
return render_template('alertstatus.html', alert=alert, email=email,
text=text, active=active, pairs=pairs, pname=pname)
@app.route('/editalert/<alertname>', methods=['GET', 'POST'])
@login_required
def editalert(alertname):
form = EditAlertForm()
alert = db_session.query(Alert).filter_by(user=current_user, name=alertname).first()
if form.validate_on_submit():
alert.name = form.name.data
alert.link = form.link.data
alert.interval = form.interval.data
alert.email = form.email.data
alert.text = form.text.data
alert.status = form.status.data
db_session.add(alert)
db_session.commit()
flash('Your changes have been saved.')
return redirect(url_for('editalert', alertname=alert.name))
elif request.method != "POST":
form.name.data = alert.name
form.link.data = alert.link
form.interval.data = alert.interval
form.email.data = alert.email
form.text.data = alert.text
form.status.data = alert.status
return render_template('editalert.html', form=form)
@app.route("/logout")
@login_required
def logout():
session.pop('logged_in', None)
logout_user()
return redirect(url_for('login'))
@app.teardown_appcontext
def shutdown_session(exception=None):
db_session.remove()
if __name__ == '__main__':
app.debug = True
app.run()