def get(self):
login_user = get_login_user()
# bbox is in GeoJson notation [minlon,minlat,maxlon,maxlat]
bbox = self.request.get('bbox',"0,0,0,0").split(',')
minlat = float(bbox[1])
minlon = float(bbox[0])
maxlat = float(bbox[3])
maxlon = float(bbox[2])
geojson = {"type": "FeatureCollection"}
geojson['features'] = []
box = geo.geotypes.Box(maxlat,maxlon,minlat,minlon)
for geoix in GeoIndex.bounding_box_fetch(GeoIndex.all(), box, max_results=111):
try:
con = geocode_contact(geoix.contact_ref, include_attic=False, login_user=login_user)
if con:
# geoconding successful
geojson['features'].extend(con)
else:
nongeo.append(encode_contact(contact_ref, login_user, include_attic=False))
except db.ReferencePropertyResolveError:
logging.critical("AttributeError while encoding")
geojson["bbox"] = bbox
logging.debug("Return %s objects" % (len(geojson['features'])))
# encode and return
# self.response.headers['Content-Type'] = "application/json"
self.response.headers['Content-Type'] = "text/plain"
self.response.out.write(json.dumps(geojson))
def get(self):
if not users.is_current_user_admin():
logging.critical("PurgeIndex called by non-admin")
self.error(500)
return
logging.info("Purge index tables.")
alldata = []
for data in SearchIndex.all():
alldata.append(data.key())
db.delete(alldata)
logging.info("%d datasets deleted in SearchIndex." % (len(alldata)))
alldata = []
for data in GeoIndex.all():
alldata.append(data.key())
db.delete(alldata)
logging.info("%d datasets deleted in GeoIndex." % (len(alldata)))
self.response.headers['Content-Type'] = "text/plain"
self.response.out.write("/indexpurge done.")
def geocode_contact(contact, login_user, include_attic=False, include_privacy=False):
"""Encode data as a GeoJSON feature dictionary structure
The function takes into account the access rights and encodes only elements
which the user is allowed to see.
signed_in is set to True if the user is signed in
If include_attic=True, data will include the complete history and also archived data.
"""
features = []
# lookup coordinates for this point
q_geo = GeoIndex.all()
q_geo.filter("contact_ref =", contact)
if not include_attic:
q_geo.filter("attic =", False)
for geo in q_geo:
if geo.location.lat != 0.0 and geo.location.lon != 0.0:
feature = {}
feature['type'] = "Feature"
# make position worse if user is not logged in or does not have access rights
random.seed(contact.key().id_or_name())
if login_user:
if login_user.key() == contact.owned_by.key():
mlat = 0.0
mlon = 0.0
else:
margin = 0.005
mlat = random.random()*margin+0.5*margin
mlon = random.random()*margin+0.5*margin
else:
margin = 0.02
mlat = random.random()*margin+0.5*margin
mlon = random.random()*margin+0.5*margin
feature['geometry'] = {"type": "Point", "coordinates": [geo.location.lon+mlon,geo.location.lat+mlat]}
properties = {}
properties['name'] = contact.name
if login_user and login_user.key() == contact.owned_by.key():
properties['key'] = str(contact.key())
if login_user and contact.class_name() == 'Person':
properties['lastname'] = contact.lastname
else:
properties['lastname'] = ""
# For Addresses add place information
if geo.data_ref.key().kind() == 'Take2' and geo.data_ref.class_name() == 'Address':
properties['place'] = ", ".join(geo.data_ref.adr_zoom[:2])
properties["zoom"] = geo.data_ref.map_zoom
else:
properties['place'] = "(last known standpoint)"
properties["zoom"] = 11
if login_user and login_user.key() == contact.owned_by.key():
properties["popupContent"] = "<p><strong><a href=\"/editcontact?key=%s\">%s %s</a></strong></p><p>%s</p>" % (properties['key'],properties['name'],properties['lastname'],properties['place'])
else:
properties["popupContent"] = "<p><strong>%s %s</strong></p><p><em>This user does not share contact information.</em></p><p>%s</p>" % (properties['name'],properties['lastname'],properties['place'])
feature['properties'] = properties
feature['id'] = 'display'
features.append(feature)
if not features:
# no geodata available for this contact. Encode it simply without
feature = {}
feature['type'] = "Feature"
properties = {}
properties['name'] = contact.name
if login_user and login_user.key() == contact.owned_by.key():
properties['key'] = str(contact.key())
if login_user and contact.class_name() == 'Person':
properties['lastname'] = contact.lastname
else:
properties['lastname'] = ""
properties['place'] = ""
# this will be filtered out on the client side
feature['geometry'] = {"type": "Point", "coordinates": [0.0,0.0]}
properties["popupContent"] = "<p><strong>%s %s</strong></p><p><em>This user does not share contact information.</em></p>" % (properties['name'],properties['lastname'])
feature['properties'] = properties
feature['id'] = 'hide'
features.append(feature)
return features
def update_index(obj, batch=False):
"""Updates SearchIndex and GeoIndex tables with obj-related keywords
and locations for the contact to which obj belongs.
If obj indices are already in the SearchIndex, their content is updated.
If obj is new, it is added.
Index keywords are:
- name (name: Contact)
- nickname (nickname: Person)
- last name (lastname: Person)
- place (adr_zoom: Address)
"""
#
# generate the keys and find the contact reference
#
new_keys = None
new_location = None
contact_ref = None
attic = False
res = []
try:
obj_class = obj.class_name()
except AttributeError:
# for non poly model objects
obj_class = obj.key().kind()
if obj_class in ['Person','Contact','Company']:
contact = obj
new_keys = plainify(contact.name)
if contact.class_name() == "Person":
if contact.lastname:
new_keys.extend(plainify(contact.lastname))
if contact.nickname:
new_keys.extend(plainify(contact.nickname))
attic = obj.attic or contact.attic
elif obj_class in ['Address']:
try:
contact = obj.contact_ref
except db.ReferencePropertyResolveError:
logging.warning("Address has invalid reference to contact %s" % (str(obj.key())))
return None
# use the elements as search keys (should be town and neighborhood or similar)
new_keys = plainify(" ".join(obj.adr_zoom[:2]))
if obj.location:
new_location = obj.location
attic = obj.attic or contact.attic
elif obj_class in ['LoginUser']:
try:
contact = obj.me
except db.ReferencePropertyResolveError:
logging.warning("Address has invalid reference to contact %s" % (str(obj.key())))
return None
if obj.location:
new_location = obj.location
else:
logging.debug("update_index(): class %s is not considered here" % (obj_class))
return None
if new_location:
logging.debug("Update %s class %s with location: %f %f" % (contact.name,obj_class,new_location.lat,new_location.lon))
if new_keys:
logging.debug("Update %s class %s with keys: %s" % (contact.name,obj_class,new_keys))
if new_keys:
# read SearchIndex dataset with reference to obj
data = SearchIndex.all().filter("data_ref =", obj).get()
if data:
# update existing dataset
data.keys = new_keys
data.attic = attic
else:
if batch:
logging.warning("A new search index was created in batch for dataset: %d" % (obj.key().id()))
data = SearchIndex(keys=new_keys, attic=attic,
data_ref=obj, contact_ref=contact)
if batch:
res.append(data)
else:
data.put()
if new_location:
# read GeoIndex dataset with reference to obj
geo = GeoIndex.all().filter("data_ref =", obj).get()
if geo:
# update existing dataset
geo.location = new_location
geo.attic = attic
# update geo reference field
geo.update_location()
else:
if batch:
logging.warning("A new geo index was created in batch for dataset: %d" % (obj.key().id()))
geo = GeoIndex(location=new_location, attic=attic,
data_ref=obj, contact_ref=contact)
geo.update_location()
if batch:
res.append(geo)
else:
geo.put()
return res
def get(self):
if not users.is_current_user_admin():
logging.critical("UpdateIndex called by non-admin")
self.error(500)
return
fix = True if self.request.get("fix", "False") == "True" else False
# look for LoginUser with invalid Person attached
logging.info("Check LoginUser")
err = False
for obj in LoginUser.all():
try:
if not obj.me:
logging.critical("LoginUser %d has no Person attached" % ((obj.key().id())))
err = True
except db.ReferencePropertyResolveError:
logging.critical("LoginUser %d has invalid Person reference" % ((obj.key().id())))
err = True
if err:
# check for dependent datasets
count = Contact.all().filter("owned_by =", obj).count()
logging.critical("LoginUser %d has %d dependant datasets" % (obj.key().id(),count))
if fix:
obj.delete()
logging.info("%d deleted" % obj.key().id())
err = False
logging.info("Check Contact")
err = False
for obj in Contact.all():
try:
if not obj.owned_by:
logging.critical("Contact '%s' %d has no reference to owner" % (obj.name,obj.key().id()))
err = True
except db.ReferencePropertyResolveError:
logging.critical("Contact '%s' %d has invalid reference to owner" % (obj.name,obj.key().id()))
count = LoginUser.all().filter("me =", obj).count()
if count:
logging.critical("... but owner has reference!")
err = True
if err:
# check for dependent datasets
count = Take2.all().filter("contact_ref =", obj).count()
logging.critical("Contact '%s' has %d dependent datasets" % (obj.name, count))
if fix:
obj.delete()
logging.info("%d deleted" % obj.key().id())
err = False
logging.info("Check Take2")
err = False
for obj in Take2.all():
try:
if not obj.contact_ref:
logging.critical("Take2 has no reference to owner %s" % (obj.key().id()))
err = True
except db.ReferencePropertyResolveError:
logging.critical("Take2 has invalid reference to owner %s" % (obj.key().id()))
err = True
if err:
if fix:
obj.delete()
logging.info("%d deleted" % obj.key().id())
# location in address shall be set to default
if obj.class_name() == 'Address' and not obj.location:
logging.error("Address has null location %s. Fixed." % (obj.key().id()))
obj.location=db.GeoPt(lon=0.0, lat=0.0)
obj.put()
err = False
logging.info("Check SearchIndex")
err = False
for obj in SearchIndex.all():
try:
if not obj.contact_ref:
logging.critical("SearchIndex %d has no reference to owner" % (obj.key().id()))
err = True
except db.ReferencePropertyResolveError:
logging.critical("SearchIndex %d has invalid reference to owner" % (obj.key().id()))
err = True
if err:
if fix:
obj.delete()
logging.info("%d deleted" % obj.key().id())
err = False
logging.info("Check GeoIndex")
err = False
for obj in GeoIndex.all():
try:
if not obj.contact_ref:
logging.critical("GeoIndex %d has no reference to owner" % (obj.key().id()))
err = True
except db.ReferencePropertyResolveError:
logging.critical("GeoIndex %d has invalid reference to owner" % (obj.key().id()))
err = True
if err:
if fix:
obj.delete()
logging.info("%d deleted" % obj.key().id())
err = False
self.response.headers['Content-Type'] = "text/plain"
self.response.out.write("/fix done.")
