From 316de60697c7d8c1fe0e8743330613a346064522 Mon Sep 17 00:00:00 2001
From: televex <info@varia.zone>
Date: Wed, 24 Feb 2021 18:42:21 +0000
Subject: [PATCH] updates to the print webpage, it works now! (still
 experimental)

---
 .gitignore                 |   1 +
 print/start.py             | 103 ++++++++++++++++++++++++++++---------
 print/templates/index.html |  27 +++-------
 requirements.txt           |   1 +
 4 files changed, 88 insertions(+), 44 deletions(-)

diff --git a/.gitignore b/.gitignore
index a72b04f..0615e89 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 venv*
 *__pycache__*
 *.pyc
+print/printed.json
diff --git a/print/start.py b/print/start.py
index 6ac4b1e..f3cc3e3 100644
--- a/print/start.py
+++ b/print/start.py
@@ -3,50 +3,103 @@
 
 import sys
 import os
-import flask 
+import re
+import flask
 from flask import request
+import flask_apscheduler
 import urllib
 import json
+from datetime import datetime
 from escpos.escpos import Escpos
 from escpos import printer
 
 # Create the application.
 APP = flask.Flask(__name__)
 
-# File Initialization
-try:
-	lp = printer.File("/dev/usb/lp0")
-except:
-	lp = sys.stdout
+# Connect to the printer
+# Get the printer's USB initializing code with $ sudo lsbusb
+lp = printer.Usb(0x4b8,0xe15)
 
-# USB initialization
-# Bus 001 Device 006: ID 04b8:0e15 Seiko Epson Corp. 
-# lp = printer.Usb(0x4b8, 0xe15)
+# Define the JSON databased for storing printed items
+db = 'printed.json'
+if not os.path.exists(db):
+	with open(db, 'w') as f:
+		f.write(json.dumps({ "printed" : [] }, indent=4))
 
-lp.text('test :)')
-lp.image('')
-lp.cut()
+# Check the Multifeeder regulary (every 10 min)
+# https://github.com/viniciuschiele/flask-apscheduler
+# Thanks Crunk for pointing to this extention!
+scheduler = flask_apscheduler.APScheduler()
+scheduler.api_enabled = False
+scheduler.init_app(APP)
+scheduler.start()
 
+def update_db(item):
+	items = json.loads(open(db).read())
+	if not item in items['printed']:
+		with open(db, 'w') as out:
+			items['printed'].append(item)
+			out.write(json.dumps(items, indent=4))
+			out.close()
 
-@APP.route('/', methods=['GET', 'POST'])
-def index():	
+def html2plain(html):
+	plain = re.sub('<[^<]+?>', '', text)
+	return plain
 
-	plaintext = request.args.get('plaintext', '')
+@scheduler.task('interval', id='check', minutes=10)
+def check():
+	print('Checking the Multifeeder!')
+
+	url = 'https://multi.vvvvvvaria.org/API/latest/10'
+	response = urllib.request.urlopen(url).read()
+	feed = json.loads(response)
+	for post in feed:
+		year = post['published_parsed'][0]
+		month = post['published_parsed'][1]
+		day = post['published_parsed'][2]
+		post_date = date(year, month, day)
+
+		plaintext = html2plain(post.summary)
+
+		item = {
+			'source' : post.feed_details.rss,
+			'date' : post_date,
+			'printed' : plaintext
+		}
+		update_db(item)
+
+@APP.route('/print/', methods=['GET', 'POST'])
+def print():
+
+	buffer = printer.Dummy()
+	plaintext = request.args.get('printing', '')
 
 	if plaintext:
-		lp.text(plaintext)
-		lp.cut()
 
-	url = 'https://multi.vvvvvvaria.org/API/latest/5'
-	response = urllib.request.urlopen(url).read()
-	multifeeder = json.loads(response)
+		buffer.text(plaintext)
+		buffer.cut()
 
-	url = 'https://multi.vvvvvvaria.org/API/today/'
-	response = urllib.request.urlopen(url).read()
-	feedstoday = json.loads(response)
+		lp._raw(buffer.output)
+
+		date = datetime.now()
+		date_str = date.strftime('%Y-%m-%d_%H-%M-%S')
+
+		item = {
+			'source' : 'TeleVex',
+			'date' : date_str,
+			'printed' : plaintext
+		}
+		update_db(item)
+
+	return flask.render_template('index.html', plaintext=plaintext)
+
+@APP.route('/printed/', methods=['GET', 'POST'])
+def printed():
+
+	items = json.loads(open(db).read())
 
-	return flask.render_template('index.html', plaintext=plaintext, multifeeder=multifeeder, feedstoday=feedstoday)
+	return flask.render_template('printed.html', items=items)
 
 if __name__ == '__main__':
 	APP.debug=True
-	APP.run(port=5000)
\ No newline at end of file
+	APP.run(port=5000)
diff --git a/print/templates/index.html b/print/templates/index.html
index 3306727..77706aa 100644
--- a/print/templates/index.html
+++ b/print/templates/index.html
@@ -8,36 +8,25 @@
 <body>
 <div id="main">
 
+	<h1>print, <a href="/printed/">printed</a></h1>
+	
 	<div id="print">
-		<h1>Plain Text Printing Point (ASCII only)</h1>
+		<h2>Plain Text Printing Point (ASCII only)</h2>
 		<form action="" method="GET">
-			<textarea name="plaintext" cols="42" rows="30">{{ plaintext }}</textarea>
+			<textarea name="printing" cols="42" rows="30">{{ plaintext }}</textarea>
 			<br>
 			<br>
 			<input class="submit" type="submit" value="print"/>
 		</form>
+
 		<br>
-		<h1>Image printing access point</h1>
+
+		<h2>Image printing access point (not working yet)</h2>
 		<form action="" method="GET">
 			<button>Select image</button>
 			<input class="submit" type="submit" value="print image"/>
 		</form>
 	</div>
-	<br>
-	<div id="multifeeder">
-		<h1 id="title">Multifeeder</h1>
-		<div>Last 5 posts added to the Televex print stream:</div>
-		<br>
-		{% for post in multifeeder %}
-			<div class="multipost">
-				<strong>Title</strong>: {{ post.title }}<br>
-				<strong>Link</strong>: {{ post.link }}<br>
-				<strong>Author</strong>: {{ post.author }}<br>
-				<strong>Date</strong>: {{ post.published }}<br>
-			</div>
-		{% endfor %}
-	</div>
-
 </div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/requirements.txt b/requirements.txt
index 2e8be02..4f8a0fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,3 +4,4 @@ requests
 pypandoc
 python-escpos
 flask
+Flask-APScheduler