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app.py
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app.py
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from flask import Flask
from flask import render_template
from flask import redirect
from flask import request
import itertools
import time
from optparse import OptionParser
# /// Allow for imports from /data folder \\\
import sys
import os
curdir = os.path.dirname(os.path.realpath(__file__))
sys.path.append(curdir + "/data") # allows import of files in /data
# /////////// End import overhead \\\\\\\\\\\
import data_calls as dc
from data_classes import Topic, Message
import utils
# Get the app started
app = Flask(__name__)
# Homepage
@app.route('/')
def homepage():
return render_template('homepage.html',
categories=dc.get_high_categories(),
navbar=dc.navbar_categories())
# Topic pages
@app.route('/forum/view/<category>')
@app.route('/forum/view/<category>/<subcat1>')
@app.route('/forum/view/<category>/<subcat1>/<subcat2>')
@app.route('/forum/view/<category>/<subcat1>/<subcat2>/<subcat3>')
def topicpage(category=None, subcat1=None, subcat2=None, subcat3=None):
if category == "Home":
return redirect("/")
elif category == "About Us":
return redirect("/about_us")
path = dc.determine_path(category, subcat1, subcat2, subcat3)
if not path:
print "WARNING: topicpage failed rendering"
return render_template('errorpage.html')
cats = dc.determine_cats(category, subcat1, subcat2, subcat3)
topics = dc.determine_topics(category, subcat1, subcat2, subcat3)
return render_template('topicpage.html', path=path, categories=cats,
topics=topics, navbar=dc.navbar_categories())
# About Us page
@app.route('/about_us')
def aboutus():
return render_template('aboutus.html', navbar=dc.navbar_categories())
# Responses/messages page
@app.route('/forum/view')
def responsespage():
try:
topic_id = int(request.args['topic_id'])
except (ValueError, KeyError):
print "WARNING: responsespage could not get topic_id"
return render_template('errorpage.html')
topic = dc.get_topic_by_id(topic_id)
try:
page = int(request.args['page'])
except KeyError:
page = 1
path = dc.determine_path(topic.category, topic.subcat1,
topic.subcat2, topic.subcat3)
pages = [i + 1 for i in range(topic.get_num_pages())]
# list of valid pages
if len(pages) == 0:
pages.append(1)
page = page if page < max(pages) else max(pages)
# if we're past valid, take max
messages = topic.get_messages()
# slice the right messages for the given page
messages = itertools.islice(messages, (page - 1) * 5, page * 5)
return render_template('messagepage.html', topic_name=topic.topic_name,
messages=messages, navbar=dc.navbar_categories(),
topic_id=topic_id, pages=pages, path=path)
# Post topic page
@app.route('/forum/posttopic')
def posttopicpage():
return render_template('posttopicpage.html', path=request.args['path'],
navbar=dc.navbar_categories())
# Submit post page
@app.route('/forum/posttopic/submit', methods=['POST'])
def submitposttopic():
try:
dc.add_topic(request.form['name'], request.form['topic_title'],
request.form['path'])
except KeyError:
print "WARNING: submitposttopic key error"
return render_template('errorpage.html')
return redirect('/forum/view/{0}'.format(request.form['path']))
# Post message page
@app.route('/forum/postmessage')
def postmessagepage():
try:
topic_id = int(request.args['topic_id'])
except (ValueError, KeyError):
print "WARNING: postmessagepage unable to get topic_id"
return render_template('errorpage.html')
topic = dc.get_topic_by_id(topic_id)
path = request.args['path']
return render_template('postmessagepage.html', topic=topic,
navbar=dc.navbar_categories(), path=path)
# Submit post message
@app.route('/forum/postmessage/submit', methods=['POST'])
def submitpostmessage():
try:
topic_id = int(request.form['topic_id'])
except (ValueError, KeyError):
print "WARNING: submitpostmessage unable to get topic_id"
return render_template('errorpage.html')
topic = dc.get_topic_by_id(topic_id)
topic.add_message(request.form['name'], request.form['message'])
return redirect('/forum/view?topic_id={0}'.format(topic_id))
@utils.debug
def main():
optparser = OptionParser()
optparser.add_option('-p', dest="port", type="int", default="5000")
optparser.add_option('-d', dest="debug", action="store_true",
default=False)
options, _ = optparser.parse_args()
utils.set_debug(options.debug)
app.run(debug=utils.do_debug, port=options.port)
if __name__ == '__main__':
main()