def user_add(request):
session = DBSession()
username = request.params.get("username")
if session.query(User).get(username) is None:
session.add(User(username))
session.flush()
return HTTPFound(location=request.route_url('user', id=username))
def oauth_callback(request):
# the request token we have in the user session should be the same
# as the one passed to the callback
session = request.session
request_token = session.get('request_token')
if request.params.get('oauth_token') != request_token['oauth_token']:
return HTTPBadRequest('Tokens don\'t match')
# get the access token
token = oauth.Token(request_token['oauth_token'],
request_token['oauth_token_secret'])
verifier = request.params.get('oauth_verifier')
token.set_verifier(verifier)
client = oauth.Client(consumer, token)
resp, content = client.request(ACCESS_TOKEN_URL, "POST")
access_token = dict(urlparse.parse_qsl(content))
token = access_token['oauth_token']
token_secret = access_token['oauth_token_secret']
# get the user details, finally
token = oauth.Token(token, token_secret)
client = oauth.Client(consumer, token)
resp, content = client.request(USER_DETAILS_URL, "GET")
user_elt = ElementTree.XML(content).find('user')
# save the user's "display name" in the session
if 'display_name' in user_elt.attrib:
username = user_elt.attrib['display_name']
db_session = DBSession()
if db_session.query(User).get(username) is None:
db_session.add(User(username))
db_session.flush()
headers = remember(request, username, max_age=20*7*24*60*60)
# and redirect to the main page
return HTTPFound(location=session.get('came_from'), headers=headers)
def oauth_callback(request):
# the request token we have in the user session should be the same
# as the one passed to the callback
session = request.session
request_token = session.get('request_token')
if request.params.get('oauth_token') != request_token['oauth_token']:
return HTTPBadRequest('Tokens don\'t match')
# get the access token
token = oauth.Token(request_token['oauth_token'],
request_token['oauth_token_secret'])
verifier = request.params.get('oauth_verifier')
token.set_verifier(verifier)
client = oauth.Client(consumer, token)
resp, content = client.request(ACCESS_TOKEN_URL, "POST")
access_token = dict(urlparse.parse_qsl(content))
token = access_token['oauth_token']
token_secret = access_token['oauth_token_secret']
# get the user details, finally
token = oauth.Token(token, token_secret)
client = oauth.Client(consumer, token)
resp, content = client.request(USER_DETAILS_URL, "GET")
user_elt = ElementTree.XML(content).find('user')
# save the user's "display name" in the session
if 'display_name' in user_elt.attrib:
username = user_elt.attrib['display_name']
db_session = DBSession()
if db_session.query(User).get(username) is None:
db_session.add(User(username))
db_session.flush()
headers = remember(request, username, max_age=20 * 7 * 24 * 60 * 60)
# and redirect to the main page
return HTTPFound(location=session.get('came_from'), headers=headers)
def job_edit(request):
id = request.matchdict['job']
session = DBSession()
job = session.query(Job).get(id)
licenses = session.query(License).all()
if 'form.submitted' in request.params:
job.title = request.params['title']
job.short_description = request.params['short_description']
job.description = request.params['description']
job.workflow = request.params['workflow']
josm_preset = request.params['josm_preset']
josm_preset = josm_preset.value.decode(
'UTF-8') if josm_preset != '' else ''
job.josm_preset = josm_preset
job.is_private = request.params.get('is_private') == 'on'
job.imagery = request.params['imagery']
job.task_extra = request.params['task_extra']
if request.params['license_id'] != "":
license_id = int(request.params['license_id'])
license = session.query(License).get(license_id)
job.license = license
session.add(job)
return HTTPFound(location=route_url('job', request, job=job.id))
return dict(job=job, licenses=licenses)
def user_add(request):
session = DBSession()
username = request.params.get("username")
if session.query(User).get(username) is None:
session.add(User(username))
session.flush()
return HTTPFound(location=request.route_url("user", id=username))
def done(request):
job_id = request.matchdict['job']
x = request.matchdict['x']
y = request.matchdict['y']
zoom = request.matchdict['zoom']
session = DBSession()
username = authenticated_userid(request)
tile = session.query(Tile).get((x, y, zoom, job_id))
tile.comment = request.params['comment']
if 'invalidate' in request.params:
# task goes back to the queue
tile.checkin = 0
tile.username = username
elif 'validate' in request.params:
# task goes back to the queue
tile.checkin = 2
tile.username = username
else:
#task is done
tile.checkin = 1
tile.change = True
tile.checkout = False
session.add(tile)
session.flush()
# reset tile values
tile.username = None
tile.change = False
tile.comment = None
session.add(tile)
return dict(success=True, tile=dict(x=tile.x, y=tile.y, z=tile.zoom))
def checkTask(tile):
session = DBSession()
if tile.username is not None:
if datetime.now() > tile.update + EXPIRATION_DURATION:
tile.username = None
tile.update = datetime.now()
session.add(tile)
def checkTask(tile):
session = DBSession()
if tile.checkout is not None:
if datetime.now() > tile.checkout + EXPIRATION_DURATION:
tile.username = None
tile.checkout = None
session.add(tile)
def job_edit(request):
id = request.matchdict['job']
session = DBSession()
job = session.query(Job).get(id)
licenses = session.query(License).all()
if 'form.submitted' in request.params:
job.title = request.params['title']
job.short_description = request.params['short_description']
job.description = request.params['description']
job.workflow = request.params['workflow']
josm_preset = request.params['josm_preset']
josm_preset = josm_preset.value.decode('UTF-8') if josm_preset != '' else ''
job.josm_preset = josm_preset
job.is_private = request.params.get('is_private') == 'on'
job.imagery = request.params['imagery']
job.task_extra = request.params['task_extra']
if request.params['license_id'] != "":
license_id = int(request.params['license_id'])
license = session.query(License).get(license_id)
job.license = license
session.add(job)
return HTTPFound(location = route_url('job', request, job=job.id))
return dict(job=job, licenses=licenses)
def checkTask(tile):
session = DBSession()
if tile.checkout is not False and tile.checkout is not None:
if datetime.now() > tile.update + EXPIRATION_DURATION:
tile.username = None
tile.checkout = False
tile.update = datetime.now()
session.add(tile)
def license_new(request):
session = DBSession()
license = License()
license.name = ''
license.description = ''
license.plain_text = ''
session.add(license)
session.flush()
return HTTPFound(location = route_url('license_edit', request, license=license.id))
def job_new(request):
if 'form.submitted' in request.params:
session = DBSession()
job = Job(request.params['title'], request.params['geometry'],
request.params['zoom'], authenticated_userid(request))
session.add(job)
session.flush()
return HTTPFound(location=route_url('job_edit', request, job=job.id))
return {}
def job_feature(request):
id = request.matchdict['job']
session = DBSession()
job = session.query(Job).get(id)
job.featured = not job.featured
session.add(job)
request.session.flash('Job "%s" featured status changed!' % job.title)
return HTTPFound(location = route_url('home', request))
def unlock(request):
job_id = request.matchdict['job']
x = request.matchdict['x']
y = request.matchdict['y']
session = DBSession()
tile = session.query(Tile).get((x, y, job_id))
tile.username = None
tile.checkout = None
session.add(tile)
return HTTPFound(location=request.route_url('job', job=job_id))
def job_publish(request):
id = request.matchdict['job']
session = DBSession()
job = session.query(Job).get(id)
job.status = 1
session.add(job)
request.session.flash('Job "%s" published!' % job.title)
return HTTPFound(location=route_url('home', request))
def job_feature(request):
id = request.matchdict['job']
session = DBSession()
job = session.query(Job).get(id)
job.featured = not job.featured
session.add(job)
request.session.flash('Job "%s" featured status changed!' % job.title)
return HTTPFound(location=route_url('home', request))
def job_publish(request):
id = request.matchdict['job']
session = DBSession()
job = session.query(Job).get(id)
job.status = 1
session.add(job)
request.session.flash('Job "%s" published!' % job.title)
return HTTPFound(location = route_url('home', request))
def unlock(request):
job_id = request.matchdict['job']
x = request.matchdict['x']
y = request.matchdict['y']
session = DBSession()
tile = session.query(Tile).get((x, y, job_id))
tile.username = None
tile.update = datetime.now()
session.add(tile)
return dict(job=tile.job,
prev_task=tile)
def unlock(request):
job_id = request.matchdict['job']
x = request.matchdict['x']
y = request.matchdict['y']
zoom = request.matchdict['zoom']
session = DBSession()
tile = session.query(Tile).get((x, y, zoom, job_id))
tile.username = None
tile.checkout = False
tile.change = False
session.add(tile)
return dict(job=tile.job, prev_task=tile)
def unlock(request):
job_id = request.matchdict['job']
x = request.matchdict['x']
y = request.matchdict['y']
session = DBSession()
tile = session.query(Tile).get((x, y, job_id))
tile.username = None
tile.checkout = False
tile.change = False
session.add(tile)
return dict(job=tile.job,
prev_task=tile)
def job_new(request):
if 'form.submitted' in request.params:
session = DBSession()
job = Job(
request.params['title'],
request.params['geometry'],
request.params['zoom']
)
session.add(job)
session.flush()
return HTTPFound(location = route_url('job_edit', request, job=job.id))
return {}
def unlock(request):
job_id = request.matchdict['job']
x = request.matchdict['x']
y = request.matchdict['y']
zoom = request.matchdict['zoom']
session = DBSession()
tile = session.query(Tile).get((x, y, zoom, job_id))
tile.comment = request.params['comment']
tile.username = None
tile.checkout = False
tile.change = False
session.add(tile)
return dict(success=True, tile=dict(x=tile.x, y=tile.y, z=tile.zoom))
def license_edit(request):
id = request.matchdict['license']
session = DBSession()
license = session.query(License).get(id)
if 'form.submitted' in request.params:
license.name = request.params['name']
license.description = request.params['description']
license.plain_text = request.params['plain_text']
session.add(license)
request.session.flash('License updated!')
return dict(license=license)
def job_edit(request):
id = request.matchdict["job"]
session = DBSession()
job = session.query(Job).get(id)
if "form.submitted" in request.params:
job.title = request.params["title"]
job.description = request.params["description"]
job.workflow = request.params["workflow"]
session.add(job)
return HTTPFound(location=route_url("job", request, job=job.id))
return dict(job=job)
def job_edit(request):
id = request.matchdict['job']
session = DBSession()
job = session.query(Job).get(id)
if 'form.submitted' in request.params:
job.title = request.params['title']
job.short_description = request.params['short_description']
job.description = request.params['description']
job.workflow = request.params['workflow']
session.add(job)
return HTTPFound(location = route_url('job', request, job=job.id))
return dict(job=job)
def done(request):
job_id = request.matchdict['job']
x = request.matchdict['x']
y = request.matchdict['y']
session = DBSession()
tile = session.query(Tile).get((x, y, job_id))
tile.username = None
tile.checkout = None
tile.comment = request.params['comment']
if 'invalidate' in request.params:
# task goes back to the queue
tile.checkin = 0
else:
tile.checkin = tile.checkin + 1
session.add(tile)
return HTTPFound(location=request.route_url('job', job=job_id))
def job_new(request):
if 'form.submitted' in request.params:
session = DBSession()
job = Job(
request.params['title'],
request.params['short_description'],
request.params['description'],
request.params['workflow'],
request.params['geometry'],
request.params['zoom'],
request.params.get('is_private', 0),
request.params['imagery'],
request.params.get('requires_nextview', 0)
)
session.add(job)
session.flush()
return HTTPFound(location = route_url('job', request, job=job.id))
return {}
def take(request):
job_id = request.matchdict['job']
checkin = request.matchdict['checkin']
session = DBSession()
username = authenticated_userid(request)
user = session.query(User).get(username)
# first check if user has no task he's currently working on
filter = and_(Tile.username==username, Tile.job_id==job_id)
tiles = session.query(Tile).filter(filter).all()
if len(tiles) > 0:
request.session.flash('You already have a task to work on. Finish it before you can accept a new one.')
return HTTPFound(location=request.route_url('job', job=job_id))
filter = and_(Tile.checkin==checkin, Tile.job_id==job_id)
tiles = session.query(Tile).filter(filter).all()
filter = and_(TileHistory.username==username, TileHistory.job_id==job_id)
# get the tile the user worked on previously
p = session.query(TileHistory).filter(filter).order_by(TileHistory.checkout.desc()).limit(4).all()
tile = None
if p is not None and len(p) > 0:
p = p[len(p) -1]
neighbours = [
(p.x - 1, p.y - 1), (p.x - 1, p.y), (p.x - 1, p.y + 1),
(p.x, p.y - 1), (p.x, p.y + 1),
(p.x + 1, p.y - 1), (p.x + 1, p.y), (p.x + 1, p.y + 1)]
for t in tiles:
if (t.x, t.y) in neighbours:
tile = t
break
try:
if tile is None:
tile = tiles[random.randrange(0, len(tiles))]
tile.username = username
tile.checkout = datetime.now()
session.add(tile)
return HTTPFound(location=request.route_url('task', job=job_id, x=tile.x, y=tile.y))
except:
if checkin == 1:
request.session.flash('Sorry. No task available to validate.')
else:
request.session.flash('Sorry. No task available to take.')
return HTTPFound(location=request.referrer)
def done(request):
job_id = request.matchdict['job']
x = request.matchdict['x']
y = request.matchdict['y']
session = DBSession()
tile = session.query(Tile).get((x, y, job_id))
tile.username = None
tile.update = datetime.now()
tile.comment = request.params['comment']
if 'invalidate' in request.params:
# task goes back to the queue
tile.checkin = 0
elif 'validate' in request.params:
# task in validated
tile.checkin = 2
else:
#task is done
tile.checkin = 1
session.add(tile)
return dict(job=tile.job)
def job_edit(request):
id = request.matchdict['job']
session = DBSession()
job = session.query(Job).get(id)
if 'form.submitted' in request.params:
job.title = request.params['title']
job.short_description = request.params['short_description']
job.description = request.params['description']
job.workflow = request.params['workflow']
josm_preset = request.params['josm_preset']
josm_preset = josm_preset.value.decode('UTF-8') if josm_preset != '' else ''
job.josm_preset = josm_preset
job.is_private = request.params.get('is_private') == 'on'
job.requires_nextview = request.params.get('requires_nextview') == 'on'
session.add(job)
return HTTPFound(location = route_url('job', request, job=job.id))
return dict(job=job)
def done(request):
job_id = request.matchdict['job']
x = request.matchdict['x']
y = request.matchdict['y']
zoom = request.matchdict['zoom']
session = DBSession()
tile = session.query(Tile).get((x, y, zoom, job_id))
tile.comment = request.params['comment']
if 'invalidate' in request.params:
# task goes back to the queue
tile.checkin = 0
elif 'validate' in request.params:
# task in validated
tile.checkin = 2
else:
#task is done
tile.checkin = 1
tile.checkout = False
tile.change = True
session.add(tile)
return dict(job=tile.job)
def done(request):
job_id = request.matchdict['job']
x = request.matchdict['x']
y = request.matchdict['y']
zoom = request.matchdict['zoom']
session = DBSession()
tile = session.query(Tile).get((x, y, zoom, job_id))
tile.comment = request.params['comment']
if 'invalidate' in request.params:
# task goes back to the queue
tile.checkin = 0
elif 'validate' in request.params:
# task in validated
tile.checkin = 2
else:
#task is done
tile.checkin = 1
tile.checkout = False
tile.change = True
session.add(tile)
return dict(job=tile.job)
def job_edit(request):
id = request.matchdict['job']
session = DBSession()
job = session.query(Job).get(id)
if 'form.submitted' in request.params:
job.title = request.params['title']
job.short_description = request.params['short_description']
job.description = request.params['description']
job.workflow = request.params['workflow']
josm_preset = request.params['josm_preset']
josm_preset = josm_preset.value.decode(
'UTF-8') if josm_preset != '' else ''
job.josm_preset = josm_preset
job.is_private = request.params.get('is_private') == 'on'
job.requires_nextview = request.params.get('requires_nextview') == 'on'
job.imagery = request.params['imagery']
session.add(job)
return HTTPFound(location=route_url('job', request, job=job.id))
return dict(job=job)
def job_new(request):
if "form.submitted" in request.params:
session = DBSession()
job = Job()
job.title = request.params["title"]
job.description = request.params["description"]
job.geometry = request.params["geometry"]
job.workflow = request.params["workflow"]
job.imagery = request.params["imagery"]
job.zoom = request.params["zoom"]
job.is_private = request.params.get("is_private", 0)
job.requires_nextview = request.params.get("requires_nextview", 0)
tiles = []
for i in get_tiles_in_geom(loads(job.geometry), int(job.zoom)):
tiles.append(Tile(i[0], i[1]))
job.tiles = tiles
session.add(job)
session.flush()
return HTTPFound(location=route_url("job", request, job=job.id))
return {}
def job_new(request):
if 'form.submitted' in request.params:
session = DBSession()
job = Job()
job.title = request.params['title']
job.description = request.params['description']
job.geometry = request.params['geometry']
job.workflow = request.params['workflow']
job.imagery = request.params['imagery']
job.zoom = request.params['zoom']
job.is_private = request.params.get('is_private', 0)
job.requires_nextview = request.params.get('requires_nextview', 0)
tiles = []
for i in get_tiles_in_geom(loads(job.geometry), int(job.zoom)):
tiles.append(Tile(i[0], i[1]))
job.tiles = tiles
session.add(job)
session.flush()
return HTTPFound(location = route_url('job', request, job=job.id))
return {}
def lock(request):
job_id = request.matchdict['job']
session = DBSession()
username = authenticated_userid(request)
user = session.query(User).get(username)
job = session.query(Job).get(job_id)
x = request.matchdict['x']
y = request.matchdict['y']
zoom = request.matchdict['zoom']
tile = session.query(Tile).get((x, y, zoom, job_id))
# task is already checked out by someone else
if tile.checkout is True and tile.username != user:
msg = 'You cannot lock this task. Someone else is already working on it.'
return dict(error_msg=msg)
# check if user has no task he's currently working on
filter = and_(Tile.username==username, Tile.checkout==True, Tile.job_id==job_id)
tiles_current = session.query(Tile).filter(filter).all()
if len(tiles_current) > 0 and tile.user != user:
msg = 'You already have a task to work on. Finish it before you can accept a new one.'
return dict(error_msg=msg)
try:
tile.username = username
tile.checkout = True
tile.change = False
tile.comment = None
session.add(tile)
return dict(success=True, tile=dict(x=tile.x, y=tile.y, z=tile.zoom))
except:
if int(checkin) == 1:
msg = 'Sorry. No task available to validate.'
else:
msg = 'Sorry. No task available to take.'
return dict(job=job, error_msg=msg)
def split_tile(request):
"""
Split the tile and copy history of the parent tile
"""
job_id = request.matchdict['job']
x = request.matchdict['x']
y = request.matchdict['y']
zoom = request.matchdict['zoom']
session = DBSession()
job = session.query(Job).get(job_id)
tile = session.query(Tile).get((x, y, zoom, job_id))
session.delete(tile)
# reference tile history
tileHistory = (
session.query(TileHistory)
.filter_by(x=x, y=y, zoom=zoom, job_id=job_id)
.order_by(TileHistory.update)
.all()
)
new_tiles = []
t = []
for i in range(0, 2):
for j in range(0, 2):
# add new tile
X = int(x) * 2 + i
Y = int(y) * 2 + j
Zoom = int(zoom) + 1
newTile = Tile(X, Y, Zoom)
newTile.job = job
for idx, historyRecord in enumerate(tileHistory):
# copy tileHistory... use negative versions to prevent unique
# key conflicts, and enable filtering (exclusion) when
# generating stats
newTileHistory = TileHistory(
x=newTile.x,
y=newTile.y,
zoom=newTile.zoom,
username=historyRecord.username,
update=historyRecord.update,
checkout=historyRecord.checkout,
checkin=historyRecord.checkin,
change=historyRecord.change,
comment=historyRecord.comment,
job_id=job.id,
version=-idx
)
session.add(newTileHistory)
t.append(newTile)
for tile in t:
new_tiles.append(
Feature(
geometry=tile.to_polygon(),
id=str(tile.x) + '-' + str(tile.y) + '-' + str(tile.zoom)))
return dict(
success=True, split_id="-".join([x, y, zoom]),
new_tiles=FeatureCollection(new_tiles)
)
#!env/bin/python
__requires__ = 'OSMTM'
import os
import sys
import transaction
from sqlalchemy import create_engine
from pyramid.paster import (
get_appsettings,
setup_logging,
)
from OSMTM.models import (
DBSession,
Job,
Tile,
TileHistory,
Base,
)
from OSMTM.utils import *
engine = create_engine('sqlite:///OSMTM.db')
DBSession.configure(bind=engine)
with transaction.manager:
tile = DBSession.query(Tile).filter(Tile.job_id==292, Tile.x==19372, Tile.y==17805).one()
tile.checkin = 1
DBSession.add(tile)
def take(request):
job_id = request.matchdict['job']
if "checkin" in request.matchdict:
checkin = request.matchdict['checkin']
else:
checkin = None
session = DBSession()
username = authenticated_userid(request)
user = session.query(User).get(username)
job = session.query(Job).get(job_id)
filter = and_(Tile.checkin == checkin, Tile.job_id == job_id)
tiles = session.query(Tile).filter(filter).all()
# take random tile
if checkin is not None:
# get the tile the user worked on previously
filter = and_(TileHistory.username == username,
TileHistory.job_id == job_id)
p = session.query(TileHistory).filter(filter).order_by(
TileHistory.update.desc()).limit(4).all()
tile = None
if p is not None and len(p) > 0:
p = p[len(p) - 1]
neighbours = [(p.x - 1, p.y - 1),
(p.x - 1, p.y), (p.x - 1, p.y + 1), (p.x, p.y - 1),
(p.x, p.y + 1), (p.x + 1, p.y - 1), (p.x + 1, p.y),
(p.x + 1, p.y + 1)]
for t in tiles:
if (t.x, t.y) in neighbours:
tile = t
break
# x / y given, selecting the tile
else:
x = request.matchdict['x']
y = request.matchdict['y']
zoom = request.matchdict['zoom']
tile = session.query(Tile).get((x, y, zoom, job_id))
# task is already checked out by someone else
if tile.checkout is True and tile.username != user:
msg = 'You cannot take this task. Someone else is already working on it.'
return dict(job=job, error_msg=msg)
if tile.checkin >= 2:
msg = 'This tile has already been validated.'
return dict(job=job, error_msg=msg)
# check if user has no task he's currently working on
filter = and_(Tile.username == username, Tile.checkout == True,
Tile.job_id == job_id)
tiles_current = session.query(Tile).filter(filter).all()
if len(tiles_current) > 0 and tile.user != user:
request.session.flash(
'You already have a task to work on. Finish it before you can accept a new one.'
)
return HTTPFound(location=request.route_url('job', job=job_id))
try:
if tile is None:
tile = tiles[random.randrange(0, len(tiles))]
tile.username = username
tile.checkout = True
tile.change = False
session.add(tile)
return HTTPFound(location=request.route_url(
'task', job=job_id, x=tile.x, y=tile.y, zoom=tile.zoom))
except:
if int(checkin) == 1:
msg = 'Sorry. No task available to validate.'
else:
msg = 'Sorry. No task available to take.'
return dict(job=job, error_msg=msg)
__requires__ = 'OSMTM'
import os
import sys
import transaction
from sqlalchemy import create_engine
from pyramid.paster import (
get_appsettings,
setup_logging,
)
from OSMTM.models import (
DBSession,
Job,
Tile,
TileHistory,
Base,
)
from OSMTM.utils import *
engine = create_engine('sqlite:///OSMTM.db')
DBSession.configure(bind=engine)
with transaction.manager:
tile = DBSession.query(Tile).filter(Tile.job_id == 292, Tile.x == 19372,
Tile.y == 17805).one()
tile.checkin = 1
DBSession.add(tile)
from sqlalchemy import create_engine
from OSMTM.models import (
Tile,
DBSession
)
import json
engine = create_engine('sqlite:///OSMTM.db')
DBSession.configure(bind=engine)
json_data=open('census.geojson')
data = json.load(json_data)
json_data.close()
x = 0
for f in data['features']:
wkt = ''
for c in f['geometry']['coordinates'][0]:
if wkt != '':
wkt = wkt + ','
wkt = wkt + str(c[0]) + " " + str(c[1])
t = Tile(x,0,0,'POLYGON((' + wkt + '))')
x = x + 1
t.job_id = 7
with transaction.manager:
DBSession.add(t)
DBSession.flush()
def take(request):
job_id = request.matchdict['job']
if "checkin" in request.matchdict:
checkin = request.matchdict['checkin']
else:
checkin = None
session = DBSession()
username = authenticated_userid(request)
user = session.query(User).get(username)
job = session.query(Job).get(job_id)
filter = and_(Tile.checkin==checkin, Tile.job_id==job_id)
tiles = session.query(Tile).filter(filter).all()
# take random tile
if checkin is not None:
# get the tile the user worked on previously
filter = and_(TileHistory.username==username, TileHistory.job_id==job_id)
p = session.query(TileHistory).filter(filter).order_by(TileHistory.update.desc()).limit(4).all()
tile = None
if p is not None and len(p) > 0:
p = p[len(p) -1]
neighbours = [
(p.x - 1, p.y - 1), (p.x - 1, p.y), (p.x - 1, p.y + 1),
(p.x, p.y - 1), (p.x, p.y + 1),
(p.x + 1, p.y - 1), (p.x + 1, p.y), (p.x + 1, p.y + 1)]
for t in tiles:
if (t.x, t.y) in neighbours:
tile = t
break
# x / y given, selecting the tile
else:
tilex = request.matchdict['x']
tiley = request.matchdict['y']
tile = session.query(Tile).get((tilex, tiley, job_id))
# task is already checked out by someone else
if tile.username is not None and tile.user != user:
msg = 'You cannot take this task. Someone else is already working on it.'
return dict(job=job, error_msg=msg)
if tile.checkin >= 2:
msg = 'This tile has already been validated.'
return dict(job=job, error_msg=msg)
# check if user has no task he's currently working on
filter = and_(Tile.username==username, Tile.job_id==job_id)
tiles_current = session.query(Tile).filter(filter).all()
if len(tiles_current) > 0 and tile.user != user:
request.session.flash('You already have a task to work on. Finish it before you can accept a new one.')
return HTTPFound(location=request.route_url('job', job=job_id))
try:
if tile is None:
tile = tiles[random.randrange(0, len(tiles))]
tile.username = username
tile.update = datetime.now()
session.add(tile)
return HTTPFound(location=request.route_url('task', job=job_id, x=tile.x, y=tile.y))
except:
if int(checkin) == 1:
msg = 'Sorry. No task available to validate.'
else:
msg = 'Sorry. No task available to take.'
return dict(job=job, error_msg=msg)
