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webserver.py
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from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
import cgi
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from database_setup import Base, Restaurant, MenuItem, engine
Base.metadata.bind = engine
DBSession = sessionmaker(bind = engine)
session = DBSession()
class WebServerHandler(BaseHTTPRequestHandler):
def do_GET(self):
#try:
output = ""
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
output += ("<html><body>")
if self.path.endswith("/restaurant"):
if self.path.endswith("/new"):
output += "<form method='POST' enctype='multipart/form-data' \
action='/restaurant/new'>\
<h2>Fill the information to create a new restaurant</h2>\
Name: <input name='name' type='text'><input type='submit' \
value='Save'>\
</form>"
if self.path.endswith("/edit"):
restaurant_id = self.path.split('/')[2]
restaurant_to_edit = (session.query(Restaurant).
filter(Restaurant.id==restaurant_id).one())
output += "<form method='POST' enctype='multipart/form-data' \
action='/restaurant/%s/edit'> <h2> %s </h2>\
New name: <input name='name' type='text'><input type='submit' \
value='Save'> </form>" % (restaurant_to_edit.id,
restaurant_to_edit.name)
if self.path.endswith("/delete"):
restaurant_id = self.path.split('/')[2]
restaurant_to_delete = (session.query(Restaurant).
filter(Restaurant.id==restaurant_id).one())
output += "<form method='POST' enctype='multipart/form-data' \
action='/restaurant/%s/delete'> <h2>Delete</h2> \
Are you sure you want delete the restaurant %s? <br><br>\
<input type='submit' value='Delete'>\
</form>" % (restaurant_to_delete.id,
restaurant_to_delete.name)
output += ("<h1> Restaurants! </h1>")
output += "<ul>"
for name, id in session.query(Restaurant.name, Restaurant.id).all():
output += ("<br><li> %s <br> \
<a href='restaurant/%s/edit'> Edit </a> \
<a href='restaurant/%s/delete'> Delete </a>\
</li>") % (name,id, id)
output += "</ul>"
output += "</body></html>"
self.wfile.write(output)
return
#except:
#self.send_error(404, 'File Not Found: %s' % self.path)
def do_POST(self):
#try:
self.send_response(301)
self.send_header('Content-type', 'text/html')
self.send_header('location', '/restaurant')
self.end_headers()
ctype, pdict = cgi.parse_header(self.headers.
getheader('Content-type'))
if ctype == 'multipart/form-data':
fields = cgi.parse_multipart(self.rfile, pdict)
if self.path.endswith("restaurant/new"):
restaurant_name = str(fields.get('name')[0])
new_restaurant = Restaurant(name = restaurant_name)
session.add(new_restaurant)
if self.path.endswith("/edit"):
restaurant_name = str(fields.get('name')[0])
restaurant_id = self.path.split('/')[2]
restaurant_to_edit = (session.query(Restaurant).
filter(restaurant_id==Restaurant.id)
.one())
restaurant_to_edit.name = restaurant_name
if self.path.endswith("/delete"):
restaurant_id = self.path.split('/')[2]
restaurant_to_delete = (session.query(Restaurant).
filter(restaurant_id==Restaurant.id)
.one())
session.delete(restaurant_to_delete)
session.commit()
#except:
#pass
def main():
try:
port = 8080
server = HTTPServer(('', port), WebServerHandler)
print "Web Server running on port %s" % port
server.serve_forever()
except KeyboardInterrupt:
print " ^C entered, stopping web server...."
server.socket.close()
if __name__ == '__main__':
main()