forked from stillinbeta/heroku-starter-project
/
main.py
141 lines (107 loc) · 4.12 KB
/
main.py
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import logging
import os
import os.path
from sqlalchemy import create_engine
from sqlalchemy.orm import scoped_session, sessionmaker
import tornado.httpserver
import tornado.ioloop
from tornado.web import Application, RequestHandler, URLSpec, HTTPError
from models import create_tables, Repository
from tornado.options import define
define("port", default=5000, help="run on the given port", type=int)
class MainHandler(RequestHandler):
def get(self):
self.redirect(self.application.reverse_url('repo_list'))
class RepositoryMixin:
def update_db(self, repository=None):
db = self.application.db
owner = self.get_body_argument('repo_owner', default=None)
repo = self.get_body_argument('repo_name', default=None)
board = self.get_body_argument('board_id', default=None)
new_list = self.get_body_argument('list_id', default=None)
if repository is None:
repository = Repository(owner=owner,
repo=repo,
board=board,
new_list=new_list)
else:
repository.owner = owner
repository.repo = repo
repository.board = board
repository.new_list = new_list
db.add(repository)
db.commit() # TODO error checking
self.redirect(self.application.reverse_url('repo_edit', repository.id))
def get_or_400(self, id_):
repo = self.application.db.query(Repository).get(id_)
if repo is None:
raise HTTPError(404, "Couldn't find repo w/ id {}".format(id_))
return repo
class RepoAdd(RequestHandler, RepositoryMixin):
def get(self):
self.render(
"add_repo.html",
verb="Add",
repo_owner='',
repo_name='',
board_id='',
list_id='',
)
def post(self):
return self.update_db()
class RepoEdit(RequestHandler, RepositoryMixin):
def get(self, id_):
repo = self.get_or_400(id_)
self.render(
"add_repo.html",
verb="Edit",
repo_owner=repo.owner,
repo_name=repo.repo,
board_id=repo.board,
list_id=repo.new_list,
)
def post(self, id_):
repo = self.get_or_400(id_)
self.update_db(repo)
class RepoList(RequestHandler):
def get(self):
links = []
for repo in self.application.db.query(Repository):
links.append(('{}/{}'.format(repo.owner, repo.repo),
self.application.reverse_url('repo_edit', repo.id)))
self.render('repo_list.html',
create=self.application.reverse_url('repo_add'),
links=links)
class MyApplication(Application):
def __init__(self, db_url, **settings):
if db_url is not None:
engine = create_engine(db_url,
echo=True,
connect_args={'sslmode': 'require'})
create_tables(engine)
self.db = scoped_session(sessionmaker(bind=engine))
handlers = [
(r"/", MainHandler),
URLSpec(r"/repos", RepoList, name='repo_list'),
URLSpec(r"/repos/add", RepoAdd, name='repo_add'),
URLSpec(r"/repos/(\d+)", RepoEdit, name='repo_edit'),
]
settings['template_path'] = os.path.join(os.path.dirname(__file__),
"templates")
settings['static_path'] = os.path.join(os.path.dirname(__file__),
"static")
super().__init__(handlers, **settings)
if __name__ == "__main__":
tornado.options.parse_command_line()
try:
db_url = os.environ["DATABASE_URL"]
except KeyError:
logging.error("Improperly configured database!")
#TODO FIXME
# raise SystemExit(1)
db_url = None
app = MyApplication(db_url)
http_server = tornado.httpserver.HTTPServer(app)
http_server.listen(os.environ.get("PORT", 5000))
# start it up
tornado.ioloop.IOLoop.instance().start()