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todo_server.py
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todo_server.py
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__author__ = 'dn3'
import json
import cgi
from collections import namedtuple
from txrestapi.methods import GET, POST, PUT, ALL, DELETE
from txrestapi.resource import APIResource
from twisted.internet import reactor, defer
from twisted.web.server import Site, NOT_DONE_YET
from todo_data_pool import DataPool
from todo import ToDo
# We initialize the db pool with our dbname retrieved in the first step.
dbname='todo.db'
dbpool = DataPool(dbname)
ret_render = lambda todo: todo.render()
def get_todos(user):
return dbpool.get_todo_list(user)
def get_todo(user, id):
return dbpool.get_todo_by_id(user, id)
def make_login(username, password):
return dbpool.select_make_login(username, password)
class ToDoAPI(APIResource):
@GET('^/todos$')
def get_list(self, request):
print 'get todos'
def onResult(data):
request.setHeader(b"content-type", b"application/json")
request.setHeader('Access-Control-Allow-Origin', '*')
request.setHeader('Access-Control-Allow-Methods', 'GET,POST,PUT,DELETE')
request.setHeader('Access-Control-Allow-Headers', 'x-prototype-version,x-requested-with,user,Content-Type')
request.setHeader('Access-Control-Max-Age', 2520)
response = json.dumps(data, default=lambda o: o.__dict__)
request.write(response)
request.finish()
user = request.getHeader('user')
print(user)
data = get_todos(user)
data.addCallback(onResult)
return NOT_DONE_YET
@GET('^/todos/(?P<id>[0-9]+)')
def get_info(self, request, id):
print 'get todo'
def onResult(data):
request.setHeader('Access-Control-Allow-Origin', '*')
request.setHeader('Access-Control-Allow-Methods', 'GET,POST,PUT,DELETE')
request.setHeader('Access-Control-Allow-Headers', 'x-prototype-version,x-requested-with,user,Content-Type')
request.setHeader('Access-Control-Max-Age', 2520)
request.setHeader(b"content-type", b"application/json")
response = json.dumps(data, default=lambda o: o.__dict__)
request.write(response)
request.finish()
user = request.getHeader('user')
data = get_todo(user, id)
data.addCallback(onResult)
return NOT_DONE_YET
@POST('^/todos$')
def set_info(self, request):
print 'post todo'
def onResult(id):
request.setHeader('Access-Control-Allow-Origin', '*')
request.setHeader('Access-Control-Allow-Methods', 'GET,POST,PUT,DELETE')
request.setHeader('Access-Control-Allow-Headers', 'x-prototype-version,x-requested-with,user,Content-Type')
request.setHeader('Access-Control-Max-Age', 2520)
todo = '{ "status": 0, "task": "'+ requestedTodo.task +'", "id": '+ str(id) + ', "user": "' + user + '" }'
request.setHeader(b"content-type", b"application/json")
request.write(todo.encode("utf-8"))
request.finish()
user = request.getHeader('user')
payload = cgi.escape(request.content.read())
requestedTodo = json.loads(payload, object_hook=lambda d: namedtuple('X', d.keys())(*d.values()))
user = request.getHeader('user')
dbpool.create_todo(user, requestedTodo.task).addCallback(onResult)
return NOT_DONE_YET
@PUT('^/todos/(?P<id>[0-9]+)')
def create_ob(self, request, id):
print 'put todo'
def onResult(data):
request.setHeader('Access-Control-Allow-Origin', '*')
request.setHeader('Access-Control-Allow-Methods', 'GET,POST,PUT,DELETE')
request.setHeader('Access-Control-Allow-Headers', 'x-prototype-version,x-requested-with,user,Content-Type')
request.setHeader('Access-Control-Max-Age', 2520)
request.setHeader(b"content-type", b"application/json")
response = json.dumps(data, default=lambda o: o.__dict__)
request.write(response)
request.finish()
user = request.getHeader('user')
payload = cgi.escape(request.content.read())
requestedTodo = json.loads(payload, object_hook=lambda d: namedtuple('X', d.keys())(*d.values()))
request.setHeader(b"content-type", b"application/json")
user = request.getHeader('user')
d = dbpool.update_todo(user, id, requestedTodo.task, requestedTodo.status).addCallback(onResult)
return NOT_DONE_YET
@DELETE('^/todos/(?P<id>[0-9]+)')
def del_ob(self, request, id):
print 'delete todo'
def onResult(data):
request.setHeader('Access-Control-Allow-Origin', '*')
request.setHeader('Access-Control-Allow-Methods', 'GET,POST,PUT,DELETE')
request.setHeader('Access-Control-Allow-Headers', 'x-prototype-version,x-requested-with,user,Content-Type')
request.setHeader('Access-Control-Max-Age', 2520)
request.setHeader(b"content-type", b"application/json")
request.write(data)
request.finish()
user = request.getHeader('user')
d = dbpool.delete_todo(user, id).addCallback(onResult)
return NOT_DONE_YET
@POST('^/login/$')
def user_login(self, request):
print 'post login'
def onResult(data):
request.setHeader('Access-Control-Allow-Origin', '*')
request.setHeader('Access-Control-Allow-Methods', 'GET,POST,PUT,DELETE')
request.setHeader('Access-Control-Allow-Headers', 'x-prototype-version,x-requested-with,user,Content-Type')
request.setHeader('Access-Control-Max-Age', 2520)
request.setHeader(b"content-type", b"application/json")
print data.id
response = json.dumps(data, default=lambda o: o.__dict__)
request.write(response)
request.setHeader(b"logged-user", data.id)
request.finish()
def onError(err):
request.setResponseCode(401)
request.finish()
payload = cgi.escape(request.content.read())
requestedLogin = json.loads(payload, object_hook=lambda d: namedtuple('X', d.keys())(*d.values()))
print requestedLogin.username
print requestedLogin.password
user = request.getHeader('user')
data = make_login(requestedLogin.username, requestedLogin.password)
data.addErrback(onError)
data.addCallback(onResult)
return NOT_DONE_YET
@ALL('^/')
def default(self, request):
print "CORS HEADERS"
request.setHeader(b"content-type", b"application/json")
request.setHeader('Access-Control-Allow-Origin', '*')
request.setHeader('Access-Control-Allow-Methods', 'GET,POST,PUT,DELETE')
request.setHeader('Access-Control-Allow-Headers', 'x-prototype-version,x-requested-with,user,Content-Type')
request.setHeader('Access-Control-Max-Age', 2520) # 42 hours
#request.setResponseCode(404)
request.finish()
return NOT_DONE_YET
site = Site(ToDoAPI(), timeout=None)
reactor.listenTCP(8090, site)
reactor.run()