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app.py
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app.py
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from flask import Flask, request, render_template, url_for, session, redirect
from flask_mysqldb import MySQL
import MySQLdb.cursors
import re
app = Flask(__name__)
"""
app.config['MYSQL_HOST'] = 'localhost'
app.config['MYSQL_USER'] = 'root'
app.config['MYSQL_PASSWORD'] = ''
app.config['MYSQL_DB'] = 'gpacalc'
app.config['MYSQL_HOST'] = 'db4free.net'
app.config['MYSQL_USER'] = 'gpacalc'
app.config['MYSQL_PASSWORD'] = 'Candy@69'
app.config['MYSQL_DB'] = 'gpacalc'
app.config['MYSQL_HOST'] = 'remotemysql.com'
app.config['MYSQL_USER'] = 'rVDdLPKZIw'
app.config['MYSQL_PASSWORD'] = 'MOCryJTHA9'
app.config['MYSQL_DB'] = 'rVDdLPKZIw'
"""
app.config['MYSQL_HOST'] = 'sql.freedb.tech'
app.config['MYSQL_USER'] = 'freedb_jntuhgpacalc'
app.config['MYSQL_PASSWORD'] = '9mgs89!DvWc#pNx'
app.config['MYSQL_DB'] = 'freedb_jntuhgpacalc'
mysql = MySQL(app)
app.secret_key ='jntuh'
@app.route('/')
def home():
return render_template('index.html')
#--------------------------------------------------------------
@app.route('/register')
def register():
return render_template('register.html')
#--------------------------------------------------------------
@app.route('/registerdata',methods=["POST","GET"])
def registerdata():
if request.method == "POST":
alert=""
flag = 0
name = request.form.get('name')
name = name.title()
email = request.form.get('email')
password = request.form.get('password')
rollno = request.form.get('rollno').upper()
cursor = mysql.connection.cursor()
cursor.execute("SELECT * FROM USERS WHERE EMAIL = % s",(email,))
user = cursor.fetchone()
if(user):
alert = "You're already a member with email '%s'"%(email)
flag=1
else:
cursor.execute("INSERT INTO USERS VALUES(NULL,% s,% s,% s,% s)",(name,email,password,rollno))
alert = "Congratulations!, Dear \"%s\" You've Successfully Registered."%(name)
cursor.connection.commit()
if(flag==1):
indicator = "danger"
else:
indicator = "success"
return render_template('register.html',alert=alert,indicator=indicator)
#--------------------------------------------------------------
@app.route('/termsandconditions')
def tnc():
return render_template('termsandconditions.html')
#--------------------------------------------------------------
@app.route('/login')
def login():
return render_template('login.html')
#--------------------------------------------------------------
@app.route('/loginauth',methods=["POST","GET"])
def loginauth():
if request.method == "POST":
alert=""
flag = 0
email = request.form.get('email')
password = request.form.get('password')
cursor = mysql.connection.cursor()
cursor.execute("SELECT * FROM USERS WHERE EMAIL = % s",(email,))
acc = cursor.fetchone()
if not acc:
alert = "We couldn't find an account with this email address."
return render_template('login.html',alert=alert,indicator="danger")
else:
cursor.execute("SELECT * FROM USERS WHERE EMAIL = % s AND PASSWORD = % s",(email,password))
user = cursor.fetchone()
cursor.connection.commit()
if(user):
session['loggedin'] = True
session['id'] = user[0]
session['name'] = user[1]
session['email'] = user[2]
session['rollno'] = user[4]
return redirect(url_for('dashboard'))
else:
alert = "Incorrect Email and Password Combination"
return render_template('login.html',alert=alert,indicator="danger")
else:
return render_template("login")
#--------------------------------------------------------------
@app.route('/dashboard')
def dashboardnew():
if 'id' in session:
uid = session['id']
alert = ""
cursor = mysql.connection.cursor()
cursor.execute("SELECT * FROM USERS WHERE UID = % s",(uid,))
a = cursor.fetchone()
if a:
alert = "Welcome to JNTUH GPA Calc , %s "%(session['name'],)
return render_template('home.html',alert=alert,cvisibility="block",adisplay="block",sgpas="",cgpa="",rollno=session['rollno'])
else:
return redirect(url_for('login'))
#--------------------------------------------------------------
@app.route('/home')
def dashboard():
if 'id' in session:
uid = session['id']
alert = ""
cursor = mysql.connection.cursor()
cursor.execute("SELECT * FROM GPARECORDS WHERE UID = % s",(uid,))
a = cursor.fetchone()
if not a:
return redirect(url_for('dashboardnew'))
else:
account = list(a)
cursor.connection.commit()
count = 0
for i in range(8):
if account[i+3] != 0:
count = count + 1
sum1 = sum(account[3:11])
li = []
for i in account:
if i==0.0:
li.append("-")
else:
li.append(i)
cgpa = sum1/count
cgpa = float("{0:.2f}".format(cgpa))
if count==8:
cursor.execute("UPDATE GPARECORDS SET CGPA = % s WHERE UID = % s",(cgpa,uid,))
cursor.connection.commit()
return render_template('home.html',dvisibility="block",count=count,bdisplay="block",sgpas=li[3:],cgpa=cgpa,rollno="")
else:
return redirect(url_for('login'))
#--------------------------------------------------------------
@app.route('/results')
def results():
if 'id' in session:
cursor = mysql.connection.cursor()
cursor.execute("SELECT * FROM RESULTS")
results = cursor.fetchall()
cursor.connection.commit()
return render_template('results.html',results=results)
else:
return redirect(url_for('login'))
#--------------------------------------------------------------
@app.route('/calc-gpa')
def calcgpa():
if 'id' in session:
return render_template('calc-gpa.html')
else:
return redirect(url_for('login'))
#--------------------------------------------------------------
@app.route('/fetch-subjects',methods=["POST","GET"])
def fetchsubjects():
if 'id' in session and request.method == "POST":
text = ""
reg = int(request.form.get('reg'))
branch = int(request.form.get('branch'))
sem = int(request.form.get('sem'))
session['reg'] = reg
session['branch'] = branch
session['sem'] = sem
cursor = mysql.connection.cursor()
cursor.execute("SELECT * FROM SEMSUBJECTS WHERE SID = % s AND RID = % s",(sem,branch))
results = cursor.fetchall()
cursor.connection.commit()
if sem==1:
text="I Year - I Semester"
elif(sem==2):
text="I Year - II Semester"
elif(sem==3):
text="II Year - I Semester"
elif(sem==4):
text="II Year - II Semester"
elif(sem==5):
text="III Year - I Semester"
elif(sem==6):
text="III Year - II Semester"
elif(sem==7):
text="IV Year - I Semester"
elif(sem==8):
text="IV Year - II Semester"
total = 0
for i in results:
total = total+i[4]
return render_template('calc-gpa.html',results=results,total=total,semtitle=text,gpoints="",indicator="block")
else:
return redirect(url_for('login'))
#--------------------------------------------------------------
@app.route('/calculate',methods=["POST","GET"])
def calculate():
if 'id' in session:
uid = session['id']
if request.method == "POST":
text = ""
alert = ""
fail = 0
cursor = mysql.connection.cursor()
sem = session['sem']
branch = session['branch']
cursor.execute("SELECT * FROM SEMSUBJECTS WHERE SID = % s AND RID = % s",(sem,branch))
results = list(cursor.fetchall())
cursor.connection.commit()
total = 0
for i in results:
total = total+i[4]
gpoints = []
for subject in results:
string = "s"+str(subject[0])
g = float(request.form[string])
if(g==0.0):
fail = fail+1
gp = float(subject[4]*g)
gpoints.append(gp)
val = sum(gpoints)
sgpa = val/total
sgpa = float("{0:.2f}".format(sgpa))
cursor = mysql.connection.cursor()
cursor.execute("SELECT * FROM GPARECORDS WHERE UID = % s",(uid,))
account = cursor.fetchone()
if not account:
cursor.execute("INSERT INTO GPARECORDS VALUES(NULL,% s,% s,0,0,0,0,0,0,0,0,0)",(uid,branch))
if account:
if(branch != account[2]):
gpoints = []
alert = "Please make sure, 'branch' you've selected is correct !"
return render_template('calc-gpa.html',results=results,total=total,semtitle=text,gpoints=gpoints,indicator="block",alert=alert)
else:
pass;
if sem==1:
text="I Year - I Semester"
cursor.execute("SELECT * FROM GPARECORDS WHERE ONE= % s AND UID = % s",(sgpa,uid,))
acc = cursor.fetchone()
if not acc:
cursor.execute("UPDATE GPARECORDS SET ONE = % s WHERE UID = % s",(sgpa,uid,))
elif(sem==2):
text="I Year - II Semester"
cursor.execute("SELECT * FROM GPARECORDS WHERE TWO = % s AND UID = % s",(sgpa,uid,))
acc = cursor.fetchone()
if not acc:
cursor.execute("UPDATE GPARECORDS SET TWO = % s WHERE UID = % s",(sgpa,uid,))
elif(sem==3):
text="II Year - I Semester"
cursor.execute("SELECT * FROM GPARECORDS WHERE THREE = % s AND UID = % s",(sgpa,uid,))
acc = cursor.fetchone()
if not acc:
cursor.execute("UPDATE GPARECORDS SET THREE = % s WHERE UID = % s",(sgpa,uid,))
elif(sem==4):
text="II Year - II Semester"
cursor.execute("SELECT * FROM GPARECORDS WHERE FOUR = % s AND UID = % s",(sgpa,uid,))
acc = cursor.fetchone()
if not acc:
cursor.execute("UPDATE GPARECORDS SET FOUR = % s WHERE UID = % s",(sgpa,uid,))
elif(sem==5):
text="III Year - I Semester"
cursor.execute("SELECT * FROM GPARECORDS WHERE FIVE = % s AND UID = % s",(sgpa,uid,))
acc = cursor.fetchone()
if not acc:
cursor.execute("UPDATE GPARECORDS SET FIVE = % s WHERE UID = % s",(sgpa,uid,))
elif(sem==6):
text="III Year - II Semester"
cursor.execute("SELECT * FROM GPARECORDS WHERE SIX = % s AND UID = % s",(sgpa,uid,))
acc = cursor.fetchone()
if not acc:
cursor.execute("UPDATE GPARECORDS SET SIX = % s WHERE UID = % s",(sgpa,uid,))
elif(sem==7):
text="IV Year - I Semester"
cursor.execute("SELECT * FROM GPARECORDS WHERE SEVEN = % s AND UID = % s",(sgpa,uid,))
acc = cursor.fetchone()
if not acc:
cursor.execute("UPDATE GPARECORDS SET SEVEN = % s WHERE UID = % s",(sgpa,uid,))
elif(sem==8):
text="IV Year - II Semester"
cursor.execute("SELECT * FROM GPARECORDS WHERE EIGHT = % s AND UID = % s",(sgpa,uid,))
acc = cursor.fetchone()
if not acc:
cursor.execute("UPDATE GPARECORDS SET EIGHT = % s WHERE UID = % s",(sgpa,uid,))
cursor.connection.commit()
if(fail):
alert = "SGPA is calculated excluding % s failed Subjects"%(fail,)
alertsuccess = "Be prepared for Exams ! All the Best :) !"
return render_template('calc-gpa.html',results=results,total=total,semtitle=text,tvisibility="block",indicator="block",indi="block",sgpa=sgpa,gpoints=gpoints,gpvalue=val,alert=alert,alertsuccess=alertsuccess)
return render_template('calc-gpa.html',results=results,total=total,semtitle=text,tvisibility="block",indicator="block",indi="block",sgpa=sgpa,gpoints=gpoints,gpvalue=val,alert=alert,alertsuccess="Congratulations !!")
else:
return redirect(url_for('login'))
#--------------------------------------------------------------
@app.route('/target-gpa-calc')
def gpaplanner():
if 'id' in session:
return render_template('target-gpa-calc.html')
else:
return redirect(url_for('login'))
#--------------------------------------------------------------
@app.route('/target-gpa',methods=["POST"])
def targetgpa():
if 'id' in session:
total = 8
if request.method == "POST":
gpa = float(request.form.get('gpa'))
current = int(request.form.get('sem'))
tgpa = float(request.form.get('tgpa'))
rem = int(total-(current-1))
avggpa = ((tgpa*(rem+1))-gpa)/rem
avggpa = float("{0:.2f}".format(avggpa))
txt="As you're fresher You can't get target-gpa..!"
if(current==1):
return render_template('target-gpa-calc.html',text=txt,indi="visible")
else:
return render_template('target-gpa-calc.html',avggpa=avggpa,tvisibility="block",rem=rem,indicator="visible")
else:
return redirect(url_for('login'))
#--------------------------------------------------------------
@app.route('/how-it-works')
def howitworks():
return render_template('how-it-works.html')
#--------------------------------------------------------------
@app.route('/logout')
def logout():
if 'id' in session:
session.pop('id',None)
session.pop('email',None)
session.pop('rollno',None)
session.pop('name',None)
return redirect(url_for('home'))
#--------------------------------------------------------------
if(__name__ == '__main__'):
app.run(host="0.0.0.0",debug=True,port=8080)