def get(bbox, date, precision_level):
assert isinstance(bbox, BoundingBox)
assert isinstance(date, datetime)
assert date.tzinfo is None
with get_cursor() as cursor:
territories = TerritoryCRUD.get_within_bbox_at_time(cursor, bbox, date, precision_level)
state_ids = frozenset(t.state_id for t in territories)
states = StateCRUD.get_many(cursor, state_ids)
return {
'states' : states,
'territories' : territories
}
def get_by_state(state_id, date, pixel_width):
assert isinstance(state_id, int)
assert isinstance(date, datetime)
assert isinstance(pixel_width, float)
with get_cursor() as cursor:
bbox = StateCRUD.get_bbox(cursor, state_id, date).enlarge_to_aspect_ratio(16/9)
precision = precision_from_bbox_and_px_width(bbox, pixel_width)
territories = TerritoryCRUD.get_within_bbox_at_time(cursor, bbox, date, precision)
state_ids = frozenset(t.state_id for t in territories)
states = StateCRUD.get_many(cursor, state_ids)
return {
'states' : states,
'territories' : territories,
'bounding_box' : bbox,
'date' : date
}
def get_evolution_by_state(state_id, pixel_width):
assert isinstance(state_id, int)
assert isinstance(pixel_width, float)
with get_cursor() as cursor:
res = []
for date in _determine_dates_to_show(cursor, state_id):
try :
bbox = StateCRUD.get_bbox(cursor, state_id, date).enlarge_to_aspect_ratio(16/9)
logging.error('setting last bbox')
last_bbox = bbox
except NotFound:
bbox = last_bbox
precision = precision_from_bbox_and_px_width(bbox, pixel_width)
territories = TerritoryCRUD.get_within_bbox_at_time(cursor, bbox, date, precision)
state_ids = frozenset(t.state_id for t in territories)
states = StateCRUD.get_many(cursor, state_ids)
res.append({
'states' : states,
'territories' : territories,
'bounding_box' : bbox,
'date' : date,
'lands': LandCRUD.get_lands(cursor, bbox, precision)
})
return res