/
webserver.py
160 lines (146 loc) · 7.03 KB
/
webserver.py
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''' Simple web server for menu CRUD app '''
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
import cgi
from database_setup import Base, Restaurant, MenuItem
engine = create_engine('sqlite:///restaurantmenu.db')
Base.metadata.bind = engine
DBSession = sessionmaker(bind = engine)
session = DBSession()
class webServerHandler(BaseHTTPRequestHandler):
''' Handles GET requests '''
def do_GET(self):
try:
if self.path.endswith("/restaurants"):
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
output = ""
output += "<html><body>"
output += "<h1>Restaurants</h1>"
output += "<a href=/restaurants/new>Make a new restaurant</a></br>"
restolist = session.query(Restaurant).all()
for resto in restolist:
output += ("</br>%s</br>" % resto.name)
output += "<a href='/restaurants/%s/edit'>Edit</a></br>" % resto.id
output += "<a href='/restaurants/%s/delete'>Delete</a>" % resto.id
output += "</body></html>"
self.wfile.write(output)
return
if self.path.endswith("/restaurants/new"):
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
output = ""
output += "<html><body>"
output += "Add new Restaurant"
output += '''<form method='POST' enctype='multipart/form-data' action='/restaurants/new'>
<h2>Name of restaurant to add:</h2><input name="name" type="text" >
<input type="submit" value="Submit"></form>'''
output += "</body></html>"
self.wfile.write(output)
return
if self.path.endswith("/edit"):
restaurantIDPath = self.path.split("/")[2]
myRestaurantQuery = session.query(Restaurant).filter_by(id=
restaurantIDPath).one()
if myRestaurantQuery != []:
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
output = "<html><body>"
output +="<h1>"
output += myRestaurantQuery.name
output += "</h1>"
output += '''<form method='POST' enctype='multipart/form-data'
action='/restaurants/%s/edit'>''' % restaurantIDPath
output += '''<input name="newRestaurantName" type="text"
placeholder = '%s' >''' % myRestaurantQuery.name
output += "<input type='submit' value='Rename'></form>"
output += "</body></html>"
self.wfile.write(output)
if self.path.endswith("/delete"):
restaurantIDPath = self.path.split("/")[2]
myRestaurantQuery = session.query(Restaurant).filter_by(id=
restaurantIDPath).one()
if myRestaurantQuery != []:
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
output = "<html><body>"
output +="<h1>Are you sure you want to delete %s?" % myRestaurantQuery.name
output += "</h1>"
output += '''<form method='POST' enctype='multipart/form-data'
action='/restaurants/%s/delete'>''' % restaurantIDPath
output += "<input type='submit' value='Delete'></form>"
output += "</body></html>"
self.wfile.write(output)
except IOError:
self.send_error(404, "File Not Found %s" % self.path)
def do_POST(self):
try:
if self.path.endswith("/delete"):
ctype, pdict = cgi.parse_header(self.headers.getheader('content-type'))
restaurantIDPath = self.path.split("/")[2]
myRestaurantQuery = session.query(Restaurant).filter_by(id=
restaurantIDPath).one()
if myRestaurantQuery != []:
session.delete(myRestaurantQuery)
session.commit()
self.send_response(301)
self.send_header('Content-type', 'text/html')
self.send_header('Location', '/restaurants')
self.end_headers()
if self.path.endswith("/edit"):
ctype, pdict = cgi.parse_header(self.headers.getheader('content-type'))
if ctype == 'multipart/form-data':
fields = cgi.parse_multipart(self.rfile, pdict)
messagecontent = fields.get('newRestaurantName')
restaurantIDPath = self.path.split("/")[2]
myRestaurantQuery = session.query(Restaurant).filter_by(id=
restaurantIDPath).one()
if myRestaurantQuery != []:
myRestaurantQuery.name = messagecontent[0]
session.add(myRestaurantQuery)
session.commit()
self.send_response(301)
self.send_header('Content-type', 'text/html')
self.send_header('Location', '/restaurants')
self.end_headers()
if self.path.endswith("/restaurants/new"):
self.send_response(301)
self.send_header('Content-type', 'text/html')
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)
messagecontent = fields.get('name')
newResto = Restaurant(name = messagecontent[0])
session.add(newResto)
session.commit()
print "creating output"
output = ""
output += "<html><body>"
output += " <h2>Restaurant added!</h2>"
restolist = session.query(Restaurant).all()
for resto in restolist:
output += ("</br>%s</br>" % resto.name)
output += "<a href=#>Edit</a></br>"
output += "<a href=#>Delete</a>"
output += "</body></html>"
self.wfile.write(output)
print output
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()