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Ecosense_main_server.py
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Ecosense_main_server.py
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from flask import Flask, flash, redirect, render_template, request, session, abort, jsonify
import sqlite3 as sql
import os
import requests
import json
import pandas as pd
from flask_cors import CORS, cross_origin
from sklearn.neural_network import MLPRegressor
import numpy as np
import time
import atexit
from apscheduler.schedulers.background import BackgroundScheduler
class data_analysis:
clf=0
preferred = 0
predicted = 0
inner = 0
outer = 0
humidity = 0
status = 0
def gen_model(self):
with sql.connect("ECOSENSE.db") as conn:
curs = conn.cursor()
print("Generating model....")
data= pd.read_sql_query("SELECT inner,outer,humidity,prefered FROM Readings;", conn)
train_x=data[["inner","humidity","outer"]].values;
train_y=data["prefered"].values;
classif= MLPRegressor(solver='sgd',activation='logistic',hidden_layer_sizes=(25,20,15,10,5,4,3,2));
data_analysis.clf = classif.fit(train_x, train_y)
print("Model Created.!\n")
def pred_temp(self, test):
return round(data_analysis.clf.predict(test)[0],0)
def train_model(self, pref_temp, test):
data_analysis.clf.partial_fit(test,[pref_temp])
def generate_model():
analyse_object.gen_model()
def predict_temp(test):
return analyse_object.pred_temp(test)
def anomaly(pref,test):
analyse_object.train_model(pref,test)
analyse_object=data_analysis()
analyse_object.gen_model()
def insert_db_for_retrain():
if(analyse_object.predicted == 0 and analyse_object.inner == 0 and analyse_object.humidity == 0 and analyse_object.outer == 0):
return "OK"
else:
with sql.connect("ECOSENSE.db") as conn:
curs = conn.cursor()
curs.execute('''insert into Readings values(DateTime('now','localtime'),? ,? ,? ,?);''',(analyse_object.predicted,analyse_object.inner,analyse_object.humidity, analyse_object.outer))
print("Inserted")
if(analyse_object.status == 1):
anomaly(analyse_object.preferred,[[analyse_object.inner,analyse_object.humidity, analyse_object.outer]])
analyse_object.status = 0;
scheduler = BackgroundScheduler()
scheduler.start()
scheduler.add_job(insert_db_for_retrain,'interval',minutes = 2,id='inserting into db',name='insert into db every 1 hour',start_date = '2017-01-01 00:00:00',replace_existing=True)
scheduler.add_job(analyse_object.gen_model,'interval',hours = 24,id='generate_model',name='generating model every 24 hours',start_date = '2017-01-01 00:00:00',replace_existing=True)
# Shut down the scheduler when exiting the app
atexit.register(lambda: scheduler.shutdown())
app = Flask(__name__)
CORS(app)
print('Server started')
@app.route('/login', methods=['GET','POST'])
def login_page():
if request.form['password'] == 'admin' and request.form['username']=='admin':
session['logged_in'] = True
else:
flash('Please check the username and password and try again')
return home()
@app.route("/logout")
def logout():
session['logged_in'] = False
flash('Successfully logged out. Please log in again to access dashboard.')
return home()
@app.route('/')
@cross_origin()
def home():
if not session.get('logged_in'):
return render_template('login.html')
else:
return render_template('t_index.html')
@app.route('/dialchanged', methods=['POST'])
def configuration_for_pi():
user_prefered_temp = request.form['temp_setting']
print("User Response: ", user_prefered_temp)
analyse_object.status = 1;
analyse_object.predicted = user_prefered_temp
jdata ={
'user_setting': analyse_object.predicted
}
requests.post('PI_IP_ADDRESS/setslavesetting', json = jdata)
return jsonify(jdata)
@app.route('/prediction', methods=['GET','POST'])
def hourly_prediction():
uresponse = request.get_json()
data =json.loads(uresponse)
test =[[data["inner"], data["humidity"], data["outer"]]]
predicted_setting = predict_temp(test)
analyse_object.inner = data["inner"]
analyse_object.humidity = data["humidity"]
analyse_object.outer = data["outer"]
analyse_object.preferred = data["setting"]
analyse_object.predicted = predicted_setting
jdata ={
'user_setting': analyse_object.predicted
}
return json.dumps({"result": predicted_setting})
@app.route('/morrisdata', methods=['GET'])
def morissis():
with sql.connect("ECOSENSE.db") as conn:
curs = conn.cursor()
df = pd.read_sql_query(
"SELECT date,inner,outer,humidity FROM Readings LIMIT 10 OFFSET(SELECT COUNT(*) FROM Readings) - 10;"
, conn)
jsondata1 = df.to_json(orient = 'records')
df2 = pd.read_sql_query(
"SELECT date,inner,prefered FROM Readings LIMIT 10 OFFSET(SELECT COUNT(*) FROM Readings) - 10;"
, conn)
jsondata2 = df2.to_json(orient = 'records')
jsonpacked = {
'graph1':json.loads(jsondata1),
'graph2':json.loads(jsondata2)
}
return jsonify(jsonpacked)
@app.route('/getsetting', methods=['POST','GET'])
def pi_temp_get():
uresponse = requests.get("PI_IP_ADDRESS/getslavesetting")
data =uresponse.json()
analyse_object.inner = data["inner"]
analyse_object.humidity = data["humidity"]
analyse_object.outer = data["outer"]
analyse_object.preferred = data["setting"]
return jsonify(uresponse.json())
if __name__=='__main__':
app.secret_key = os.urandom(12)
app.run(debug=True, port=9000, host='0.0.0.0',use_reloader=False)