app.py

import os
os.environ['TF_CPP_MIN_LOG_LEVEL'] = '2'

from flask import Flask, render_template, Response, jsonify, request, redirect, url_for
from flask_bootstrap import Bootstrap
from flask_sqlalchemy import SQLAlchemy
from flask_wtf import FlaskForm
from wtforms import StringField, SubmitField
from wtforms.validators import DataRequired, URL
from flask_ckeditor import CKEditor, CKEditorField
from datetime import date
from camera import VideoCamera
from scoring import get_score
from chat import get_response

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

# needs to be put in .env
app.config['SECRET_KEY'] = '8BYkEfBA6O6donzWlSihBXox7C0sKR6b'
ckeditor = CKEditor(app)
Bootstrap(app)

app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///posts.db'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
db = SQLAlchemy(app)

class BlogPost(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    title = db.Column(db.String(250), unique=True, nullable=False)
    subtitle = db.Column(db.String(250), nullable=False)
    date = db.Column(db.String(250), nullable=False)
    body = db.Column(db.Text, nullable=False)
    author = db.Column(db.String(250), nullable=False)
    img_url = db.Column(db.String(250), nullable=False)
db.create_all()


class CreatePostForm(FlaskForm):
    title = StringField("Blog Post Title", validators=[DataRequired()])
    subtitle = StringField("Subtitle", validators=[DataRequired()])
    author = StringField("Your Name", validators=[DataRequired()])
    img_url = StringField("Blog Image URL", validators=[DataRequired(), URL()])
    body = CKEditorField("Blog Content", validators=[DataRequired()])
    submit = SubmitField("Submit Post")

video_camera = None
global_frame = None

category = 'Hammer Strike'


@app.route('/record_status', methods=['POST'])
def record_status():
    global video_camera 
    if video_camera == None:
        video_camera = VideoCamera()

    json = request.get_json()

    status = json['status']

    if status == "true":
        video_camera.start_record()
        return jsonify(result="started")
    else:
        video_camera.stop_record()
        return jsonify(result="stopped")

def video_stream():
    global video_camera 
    global global_frame

    if video_camera == None:
        video_camera = VideoCamera()
        
    while True:
        frame = video_camera.get_frame()

        if frame != None:
            global_frame = frame
            yield (b'--frame\r\n'
                    b'Content-Type: image/jpeg\r\n\r\n' + frame + b'\r\n\r\n')
        else:
            yield (b'--frame\r\n'
                            b'Content-Type: image/jpeg\r\n\r\n' + global_frame + b'\r\n\r\n')

@app.route('/',methods = ['GET'])
def index():
    return render_template('index.html')

@app.route('/predict',methods = ['POST'])
def predict():
    text = request.get_json().get("message")
    response = get_response(text)
    message = {"answer": response}
    return jsonify(message)

@app.route('/elements')
def elements():
    return render_template('elements.html')

@app.route('/generic')
def generic():
    return render_template('generic.html')

@app.route('/helpline')
def helpline():
    return render_template('helpline.html')

@app.route('/laws')
def laws():
    return render_template('laws.html')

@app.route('/k')
def leaderboard():
    return render_template('k.html')

@app.route('/login')
def login():
    return render_template('login.html')

@app.route('/blog')
def get_all_posts():
    posts = BlogPost.query.all()
    return render_template("blog.html", all_posts=posts)

@app.route("/post/<int:post_id>")
def show_post(post_id):
    requested_post = BlogPost.query.get(post_id)
    return render_template("post.html", post=requested_post)


@app.route("/about")
def about():
    return render_template("about.html")


@app.route("/contact")
def contact():
    return render_template("contact.html")


@app.route("/new-post", methods=["GET", "POST"])
def add_new_post():
    form = CreatePostForm()
    if form.validate_on_submit():
        new_post = BlogPost(
            title=form.title.data,
            subtitle=form.subtitle.data,
            body=form.body.data,
            img_url=form.img_url.data,
            author=form.author.data,
            date=date.today().strftime("%B %d, %Y")
        )
        db.session.add(new_post)
        db.session.commit()
        return redirect(url_for("get_all_posts"))
    return render_template("make-post.html", form=form)


@app.route("/edit-post/<int:post_id>", methods=["GET", "POST"])
def edit_post(post_id):
    post = BlogPost.query.get(post_id)
    edit_form = CreatePostForm(
        title=post.title,
        subtitle=post.subtitle,
        img_url=post.img_url,
        author=post.author,
        body=post.body
    )
    if edit_form.validate_on_submit():
        post.title = edit_form.title.data
        post.subtitle = edit_form.subtitle.data
        post.img_url = edit_form.img_url.data
        post.author = edit_form.author.data
        post.body = edit_form.body.data
        db.session.commit()
        return redirect(url_for("show_post", post_id=post.id))
    return render_template("make-post.html", form=edit_form, is_edit=True)


@app.route("/delete/<int:post_id>")
def delete_post(post_id):
    post_to_delete = BlogPost.query.get(post_id)
    db.session.delete(post_to_delete)
    db.session.commit()
    return redirect(url_for('get_all_posts'))

@app.route('/quiz')
def quiz():
    return render_template('quiz.html')

@app.route('/video_viewer')
def video_viewer():
    return Response(video_stream(),
                    mimetype='multipart/x-mixed-replace; boundary=frame')

@app.route('/pose', methods=['GET', 'POST'])
def pose():
    global category
    """Video streaming"""
    category = request.form.get('detect')
    return render_template('pose.html')

@app.route('/update', methods=['GET', 'POST'])
def update_score():
    return render_template('score.html', score=get_score(category))

if __name__ == '__main__':
    app.run(debug=True, threaded=True)