Finish MVP 1

Procfile

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+web: gunicorn app:app

app.py

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+from dotenv import main
+from qrcode_generator import create_qrcode
+from flask import Flask, request
+from flask_bootstrap import Bootstrap
+from flask.templating import render_template
+from dotenv import load_dotenv
+from forms import QRCodeForm
+
+import os
+
+load_dotenv()
+
+app = Flask(__name__)
+app.config['SECRET_KEY'] = os.getenv('SECRET_KEY')
+bootstrap = Bootstrap(app)
+
+@app.route('/', methods=['POST', 'GET'])
+def homepage():
+    return render_template('index.html', title='QRCode Generator', form=QRCodeForm())
+
+@app.route('/generate_qrcode', methods=['POST'])
+def generate_qrcode():
+    img_path = create_qrcode(request.form['content'])
+    return render_template('generate_qrcode.html', title='generated QRCode', img = img_path, content = request.form['content'])
+
+if __name__ == "__main__":
+    app.run(threaded=True, port=9691, host='0.0.0.0')

forms.py

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+from flask_wtf import FlaskForm
+from wtforms import StringField
+from wtforms.validators import InputRequired
+
+class QRCodeForm(FlaskForm):
+    content = StringField(
+        label='QRCode content',
+        description='Link, text, email, phone number... anything!',
+        validators=[InputRequired()],
+    )

qrcode_generator.py

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+import hashlib
+import segno
+from datetime import datetime
+
+IMG_OUTPUT_PATH = 'static/qrcodes/'
+
+def generate_qrcode_image(content, err_lvl):
+    return segno.make(content, error = err_lvl)
+
+def create_qrcode(content, error = 'H'):
+    filename = IMG_OUTPUT_PATH + hashlib.sha256(f'{content}_{datetime.now()}'.encode('utf-8')).hexdigest() + '.svg'
+    generate_qrcode_image(content, error).save(filename, scale=10, light='white', dark='black')
+    return filename

requirements.txt

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+click==7.1.2
+colorama==0.4.3
+dominate==2.5.2
+Flask==1.1.2
+Flask-Bootstrap==3.3.7.1
+Flask-WTF==0.14.3
+gunicorn==20.0.4
+itsdangerous==1.1.0
+Jinja2==2.11.2
+MarkupSafe==1.1.1
+Pillow==7.2.0
+python-dotenv==0.14.0
+qrcode-artistic==2.1.0
+segno==1.3.1
+six==1.15.0
+visitor==0.1.3
+Werkzeug==1.0.1
+WTForms==2.3.3

static/icon/site.webmanifest

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+{"name":"","short_name":"","icons":[{"src":"static/icon/android-chrome-192x192.png","sizes":"192x192","type":"image/png"},{"src":"static/icon/android-chrome-512x512.png","sizes":"512x512","type":"image/png"}],"theme_color":"#ffffff","background_color":"#ffffff","display":"standalone"}

templates/base.html

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+{% extends "bootstrap/base.html" %}
+{% import "bootstrap/wtf.html" as wtf %}
+
+{% block head %}
+{{ super() }}
+<title>{% block title %}{{ title | default('@debemdeboas') }}{% endblock %}</title>
+<link rel="apple-touch-icon" sizes="180x180" href="static/icon/apple-touch-icon.png">
+<link rel="icon" type="image/png" sizes="32x32" href="static/icon/favicon-32x32.png">
+<link rel="icon" type="image/png" sizes="16x16" href="static/icon/favicon-16x16.png">
+<link rel="manifest" href="static/icon/site.webmanifest">
+{% endblock %}
+{% block html_atrib %}lang="en"{% endblock %}

templates/generate_qrcode.html

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+{% extends "base.html" %}
+
+{% block content %}
+<div class="container">
+    <div class="container">
+        <img src="{{ img }}" alt="QRCode for '{{ content }}'" width="100%">
+    </div>
+    <a class="btn btn-primary" href="{{ url_for('homepage') }}" role="button">Generate another!</a>
+</div>
+{% endblock %}

templates/index.html

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+{% extends "base.html" %}
+
+{% block content %}
+<div class="container">
+    <h1>welcome to the simple and effective qrcode generator (<a href="https://en.wikipedia.org/wiki/KISS_principle">KISS principle</a>)</h1>
+    <form action="{{ url_for('generate_qrcode') }}" method="POST">
+        {{ wtf.form_field(form.content) }}
+        <input class="btn btn-primary" type="submit" value="Generate!">
+    </form>
+</div>
+{% endblock %}