main.py

from flask import Flask,render_template,request,session,redirect,flash
from flask_sqlalchemy import SQLAlchemy
from werkzeug.utils import secure_filename
from flask_mail import Mail
import json
import os.path
import math
from datetime import datetime

with open("config.json","r") as c:
    params=json.load(c)["params"]
local_server=True



app=Flask(__name__)
app.config['SQLALCHEMY_TRACK_MODIFICATIONS']=False

app.config['UPLOAD_FOLDER']= params['upload_location']
app.secret_key='super-secret-key'
app.config.update(
    MAIL_SERVER='smtp.gmail.com',
    MAIL_PORT='465',
    MAIL_USE_SSL=True,
    MAIL_USERNAME=params['gmail_user'],
    MAIL_PASSWORD=params['gmail_password']
)

mail=Mail(app)

if(local_server):
    app.config["SQLALCHEMY_DATABASE_URI"] = params['local_uri']
else:
    app.config["SQLALCHEMY_DATABASE_URI"] = params['prod_uri']
db = SQLAlchemy(app)

class Contacts(db.Model):
    sno = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(15), nullable=False)
    email = db.Column(db.String(20), nullable=False)
    phone_num = db.Column(db.String(13), nullable=False)
    mess = db.Column(db.String(50), nullable=False)
    date = db.Column(db.String(12), nullable=True)

class Posts(db.Model):
    sno = db.Column(db.Integer, primary_key=True)
    title = db.Column(db.String(15), nullable=False)
    tagline = db.Column(db.String(15), nullable=False)
    img_file = db.Column(db.String(15), nullable=False)
    slug = db.Column(db.String(25), nullable=False)
    content = db.Column(db.String(120), nullable=False)
    date = db.Column(db.String(12), nullable=True)

@app.route("/")
def home():
    posts = Posts.query.filter_by().all()
    last=math.ceil(len(posts)/int(params['no_of_posts']))
    page=request.args.get('page')
    if(not str(page).isnumeric()):
        page=1
    page=int(page)
    posts=posts[(page-1)*int(params['no_of_posts']):(page-1)*int(params['no_of_posts'])+int(params['no_of_posts'])]

    if(page==1):
        prev='#'
        next="/?page="+str(page+1)
    elif(page==last):
        prev = "/?page=" + str(page - 1)
        next = '#'
    else:
        prev = "/?page=" + str(page - 1)
        next = "/?page=" + str(page + 1)



    return render_template('index.html',params=params,posts=posts,prev=prev,next=next)

@app.route("/dashboard",methods=['GET','POST'])
def dashboard():

    if('user' in session and session['user']==params['admin_user']):
        posts = Posts.query.filter_by().all()
        return render_template('dashboard.html',params=params,posts=posts)

    if request.method=='POST':
        username=request.form.get('uname')
        userpass=request.form.get('password')
        if (username== params['admin_user'] and userpass== params['admin_password']):

        #get the session variable
            posts = Posts.query.filter_by().all()
            session['user']=username
            return render_template('dashboard.html',params=params,posts=posts)

    return render_template('login.html',params=params)

@app.route("/logout")
def logout():
    session.pop('user')
    return redirect('/dashboard')


@app.route("/about")
def about():
    return render_template('about.html',params=params)

@app.route("/edit/<string:sno>",methods=['GET','POST'])
def edit(sno):
     if ('user' in session and session['user'] == params['admin_user']):
         if (request.method == 'POST'):
             title=request.form.get('title')
             tagline=request.form.get('tagline')
             slug=request.form.get('slug')
             content=request.form.get('content')
             img_file=request.form.get('image')
             date=datetime.now()

             if sno=='0':
                 post = Posts(title=title,slug=slug,content=content,tagline=tagline,img_file = img_file,date=date)
                 db.session.add(post)
                 db.session.commit()
             else:
                 post= Posts.query.filter_by(sno=sno).first()
                 post.title=title
                 post.slug=slug
                 post.content=content
                 post.tagline=tagline
                 post.img_file=img_file
                 post.date=date
                 db.session.commit()
                 return redirect('/edit/'+sno)
         post = Posts.query.filter_by(sno=sno).first()
         return render_template('edit.html',params=params,post=post,sno=sno)

@app.route("/delete/<string:sno>",methods=['GET','POST'])
def delete(sno):
    if ('user' in session and session['user'] == params['admin_user']):
        post = Posts.query.filter_by(sno=sno).first()
        db.session.delete(post)
        db.session.commit()
    return redirect('/dashboard')



@app.route("/uploader",methods=['GET','POST'])
def uploader():
    if ('user' in session and session['user'] == params['admin_user']):
        if(request.method=='POST'):
            f = request.files['file1']
            f.save(os.path.join(app.config['UPLOAD_FOLDER'] , secure_filename(f.filename) ))
            return "Uploaded successfully"





@app.route("/contact",methods=['GET','POST'])
def contact():
    if(request.method=='POST'):

        #add entry to database

        name =request.form.get('name')
        email =request.form.get('email')
        phone =request.form.get('phone')
        message =request.form.get('message')

        entry =Contacts(name=name,phone_num=phone,mess=message,email=email,date=datetime.now())

        db.session.add(entry)
        db.session.commit()
        flash("Thank you for contacting, I will get back to you soon.", "success")

        #to get notified if anyone has filled contact form
        #remove the comment and in config.hson file add your email address
        #and make ssure that your email setting has allowed third party messages
        '''mail.send_message('New message from ' + name ,
                          sender=email,
                          recipients=[params['gmail_user']],
                          body=message+"\n"+phone
                          )'''

    return render_template('contact.html',params=params)


@app.route("/post/<string:post_slug>",methods=['GET'])
def post_route(post_slug):
    post=Posts.query.filter_by(slug=post_slug).first()
    return render_template('post.html',params=params,post=post)
app.run(debug=True)