Hydro/app.py

from flask import Flask, render_template, request, flash, redirect
import datetime
from sqlalchemy import create_engine, Column, Integer, String, Date
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
import pymysql

app = Flask(__name__)
app.config['SECRET_KEY'] = 'fa6166b0218186fb852429060105aca18e0f979240be8ebf'

Base = declarative_base()


class Dates(Base):
    __tablename__ = 'Dates'
    id = Column(Integer, primary_key=True, autoincrement=True)
    dateTypeID = Column(Integer)
    dateValue = Column(Date)


class DatesMetadata(Base):
    __tablename__ = 'DatesMetadata'
    id = Column(Integer, primary_key=True, autoincrement=True)
    dateTypeID = Column(Integer)
    DateTypeName = Column(String(50))


class Settings(Base):
    __tablename__ = 'Settings'
    id = Column(Integer, primary_key=True, autoincrement=True)
    settingType = Column(Integer)
    settingValue = Column(String(50))


class SettingsMetadata(Base):
    __tablename__ = 'SettingsMetadata'
    id = Column(Integer, primary_key=True, autoincrement=True)
    settingTypeID = Column(Integer)
    settingTypeName = Column(String(50))


engine = create_engine('mysql+pymysql://hydro:pRnCWH/M)dujdifi@db.dandembinski.com:3306/Hydro')
Dates.__table__.create(bind=engine, checkfirst=True)
Settings.__table__.create(bind=engine, checkfirst=True)
DatesMetadata.__table__.create(bind=engine, checkfirst=True)
SettingsMetadata.__table__.create(bind=engine, checkfirst=True)

Session = sessionmaker(bind=engine)


@app.route('/', methods=('GET', 'POST'))
@app.route('/index.html', methods=('GET', 'POST'))
def index():
    session = Session()

    installCheck = session.query(Dates).first() is None
    if installCheck is True:
        # session.close()
        return redirect('install.html')

    # Init the dates dict
    dates = {'plant': '', 'last': '', 'next': '', 'freq': ''}
    alerts = {'text': '', 'email': ''}
    # alerts = {'text': False, 'email': True}

    # Get the feeding frequency and set it to an int
    dates['freq'] = int(session.query(Settings).filter_by(settingType=3).first().settingValue)

    alerts = {'text': False, 'email': False}

    # If clicked the update button for dates, grab the new values and save them to the db. Then render the template
    if request.method == 'POST':
        dates['plant'] = request.form['plantDate']
        dates['last'] = request.form['lastDate']
        dates['next'] = datetime.datetime.strptime(dates['last'], '%Y-%m-%d') + datetime.timedelta(days=dates['freq'])
        session.query(Dates).filter_by(dateTypeID=1).update({Dates.dateValue: dates['plant']})
        session.query(Dates).filter_by(dateTypeID=2).update({Dates.dateValue: dates['last']})
        session.query(Dates).filter_by(dateTypeID=3).update({Dates.dateValue: dates['next']})

        # grab text message alert box. Set 'True' if checked or null if unchecked
        if request.form.get('AlertText'):
            alerts['text'] = 'True'
        else:
            alerts['text'] = None
        # grab email message alert box. Set 'True' if checked or null if unchecked
        if request.form.get('AlertEmail'):
            alerts['email'] = 'True'
        else:
            alerts['email'] = None

        session.query(Settings).filter_by(settingType=1).update({Settings.settingValue: alerts['text']})
        session.query(Settings).filter_by(settingType=2).update({Settings.settingValue: alerts['email']})

        session.commit()
        # return render_template("index.html", plant=dates, alerts=alerts)
        return redirect('index.html')
    # If regular page load, grab all the dates from the db and render the template
    else:
        dates['plant'] = session.query(Dates).filter_by(dateTypeID=1).first().dateValue
        dates['last'] = session.query(Dates).filter_by(dateTypeID=2).first().dateValue
        dates['next'] = session.query(Dates).filter_by(dateTypeID=3).first().dateValue

        alerts['text'] = session.query(Settings).filter_by(settingType=1).first().settingValue
        alerts['email'] = session.query(Settings).filter_by(settingType=2).first().settingValue

        return render_template("index.html", plant=dates, alerts=alerts)


@app.route('/updateFeed')
def updateFeed():
    session = Session()

    dates = {'plant': '', 'last': '', 'next': '', 'freq': ''}
    dates['freq'] = int(session.query(Settings).filter_by(settingType=3).first().settingValue)
    dates['last'] = datetime.date.today()
    dates['next'] = dates['last'] + datetime.timedelta(days=dates['freq'])
    session.query(Dates).filter_by(dateTypeID=2).update({Dates.dateValue: dates['last']})
    session.query(Dates).filter_by(dateTypeID=3).update({Dates.dateValue: dates['next']})

    session.commit()
    session.close()
    return redirect('/index.html')


@app.route('/install.html')
def install():
    session = Session()

    populateDate = datetime.date.today()

    # Populate Dates Table
    session.add(Dates(dateTypeID=1, dateValue=populateDate))
    session.add(Dates(dateTypeID=2, dateValue=populateDate))
    session.add(Dates(dateTypeID=3, dateValue=populateDate))

    # Populate DatesMetadata
    session.add(DatesMetadata(dateTypeID=1, DateTypeName='Plant Date'))
    session.add(DatesMetadata(dateTypeID=2, DateTypeName='Last Feeding Date'))
    session.add(DatesMetadata(dateTypeID=3, DateTypeName='Next Feeding Date'))

    # Populate Settings
    session.add(Settings(settingType=1, settingValue='False'))
    session.add(Settings(settingType=2, settingValue='False'))
    session.add(Settings(settingType=3, settingValue='14'))

    # Populate SettingsMetadata
    session.add(SettingsMetadata(settingTypeID=1, settingTypeName='Text'))
    session.add(SettingsMetadata(settingTypeID=2, settingTypeName='Email'))
    session.add(SettingsMetadata(settingTypeID=3, settingTypeName='Feeding Frequency'))

    session.commit()

    return redirect('index.html')


if __name__ == '__main__':
    serve(app, host='0.0.0.0', port=8000)