class DatabaseTest(unittest.TestCase):
"""Tests ConfigManager and local/remote config access."""
def setUp(self):
self.session = Context().getSession()
def tearDown(self):
all_data = self.session.query(Test_Table).delete()
self.session.commit()
Context().closeSession()
def testCreateData(self):
for x in range(O):
obj = Test_Table(
key=''.join(
random.SystemRandom().choice(string.ascii_uppercase +
string.digits)
for _ in range(M)),
val=''.join(
random.SystemRandom().choice(string.ascii_uppercase +
string.digits)
for _ in range(N)))
try:
self.session.add(obj)
self.session.commit()
except:
self.session.rollback()
#raise
finally:
self.session.close()
Context().closeSession()
self.assertEqual(self.session.query(Test_Table).count(), O)
Context().closeSession()
def add_dataset(self, obj):
session = Context().getSession()
ds_exists = session.query(Catalog_Dataset).filter(
Catalog_Dataset.entity_id == obj.entity_id).filter(
Catalog_Dataset.tile_identifier == obj.tile_identifier).filter(
Catalog_Dataset.acq_time == obj.acq_time)
if not ds_exists.count():
try:
c = Catalog_Dataset(**dict(obj))
session.add(c)
session.commit()
except:
session.rollback()
raise
finally:
session.close()
Context().closeSession()
return True
class Persistance:
def __init__(self):
self.logger = logging.getLogger('eoss.' + __name__)
self.session = Context().getSession()
self.engine = Context().get_engine()
#@region.cache_on_arguments()
def get_sensors(self, group):
sensor_agg = func.array_agg(SensorAggregation.sensor,
type_=String).label('sensor_agg')
level_agg = func.array_agg(SensorAggregation.level,
type_=String).label('level_agg')
return self.session.query(
SensorAggregation.aggregation_name, sensor_agg,
level_agg).filter(SensorAggregation.aggregation_type ==
group).distinct().group_by(
SensorAggregation.aggregation_name).order_by(
SensorAggregation.aggregation_name)
def delete_dataset(self, entity_id):
self.session.query(Catalog_Dataset).filter(
Catalog_Dataset.entity_id == entity_id).delete(
synchronize_session=False)
self.session.commit()
#@region.cache_on_arguments()
def get_dataset(self, entity_id):
ds = self.session.query(Catalog_Dataset).filter(
Catalog_Dataset.entity_id == entity_id).all()
return ds
def get_dataset_by_sensor_and_date(self, sensor, acq_date):
ds = self.session.query(Catalog_Dataset).filter(
Catalog_Dataset.sensor == sensor).filter(
func.DATE(Catalog_Dataset.acq_time) == func.DATE(
acq_date)).all()
print ds
return ds
def get_observation_coverage(self, reference_type_id, last_days=2):
struct = dict()
struct['geojson'] = list()
struct['attr'] = list()
sql = text(
'select r.ref_name, st_asgeojson(st_centroid(r.geom)), max(ds.acq_time::date), count(ds.*) from catalogue.spatialreference r, CATALOGue.global_catalog ds where r.referencetype_id = %d and ds.tile_identifier = r.ref_name and ds.acq_time::date > now()::date-%d group by r.ref_name, st_asgeojson(st_centroid(r.geom)) order by r.ref_name'
% (reference_type_id, last_days))
sql = text(
'select r.ref_name, st_asgeojson(r.geom), max(ds.acq_time::date), count(ds.*) from catalogue.spatialreference r, CATALOGue.global_catalog ds where r.referencetype_id = %d and ds.tile_identifier = r.ref_name and ds.acq_time::date > now()::date-%d group by r.ref_name, st_asgeojson(r.geom) order by r.ref_name'
% (reference_type_id, last_days))
result = self.engine.execute(sql)
for r in result:
struct['geojson'].append(ujson.loads(r[1]))
struct['attr'].append({
'tile_id': r[0],
'count': r[3],
'last_observation': r[2].isoformat(),
})
return struct
def add_dataset(self, obj):
session = Context().getSession()
ds_exists = session.query(Catalog_Dataset).filter(
Catalog_Dataset.entity_id == obj.entity_id).filter(
Catalog_Dataset.tile_identifier == obj.tile_identifier).filter(
Catalog_Dataset.acq_time == obj.acq_time)
if not ds_exists.count():
try:
c = Catalog_Dataset(**dict(obj))
session.add(c)
session.commit()
except:
session.rollback()
raise
finally:
session.close()
Context().closeSession()
return True
#@region.cache_on_arguments()
def get_all_sensor_aggregations(self):
return self.session.query(SensorAggregation).all()
@region.cache_on_arguments()
def get_all_tilegrid(self):
return self.session.query(
Spatial_Reference.ref_name,
geoalchemy2.functions.ST_AsGeoJSON(Spatial_Reference.geom)).all()
def get_reference_by_sensorgrid(self, ref_id, ref_type_id, sensor_grid):
sat_grid = aliased(Spatial_Reference)
ref_obj = aliased(Spatial_Reference)
return self.session.query(sat_grid.ref_name).filter(
sat_grid.geom.ST_Intersects(ref_obj.geom)).filter(
ref_obj.referencetype_id == ref_type_id).filter(
ref_obj.ref_id == ref_id).filter(
sat_grid.referencetype_id == sensor_grid)
def get_reference(self, ref_id, ref_type_id):
return self.session.query(Spatial_Reference).filter(
Spatial_Reference.referencetype_id == ref_type_id).filter(
Spatial_Reference.ref_id == ref_id)
def get_referencebyaoi(self, wkt, sensor_grid):
sat_grid = aliased(Spatial_Reference)
wkt = WKTElement(wkt, srid=4326)
return self.session.query(sat_grid.ref_name).filter(
sat_grid.referencetype_id == sensor_grid).filter(
sat_grid.geom.ST_Intersects(wkt))
def find_dataset(self, dates_filter, sensors_filter, grid_list,
joint_gridset, clouds):
if len(sensors_filter) > 0 and len(dates_filter) > 0 and len(
grid_list[11]) > 0:
query = self.session.query(Catalog_Dataset).filter(
Catalog_Dataset.daynight ==
'day').filter(Catalog_Dataset.clouds <= clouds).filter(
or_(*sensors_filter)).filter(or_(*dates_filter)).filter(
Catalog_Dataset.tile_identifier.in_(joint_gridset))
elif len(sensors_filter) == 0 and len(dates_filter) > 0 and len(
grid_list[11]) > 0:
query = self.session.query(Catalog_Dataset).filter(
Catalog_Dataset.daynight == 'day').filter(
Catalog_Dataset.clouds <= clouds).filter(
or_(*dates_filter)).filter(
Catalog_Dataset.tile_identifier.in_(joint_gridset))
elif len(sensors_filter) > 0 and len(dates_filter) > 0 and len(
grid_list[11]) == 0:
query = self.session.query(Catalog_Dataset).filter(
Catalog_Dataset.daynight == 'day').filter(
Catalog_Dataset.clouds <= clouds).filter(
or_(*sensors_filter)).filter(or_(*dates_filter))
elif len(sensors_filter) == 0 and len(dates_filter) > 0 and len(
grid_list[11]) == 0:
query = self.session.query(Catalog_Dataset).filter(
Catalog_Dataset.daynight == 'day').filter(
Catalog_Dataset.clouds <= clouds).filter(
or_(*dates_filter))
return query
@region.cache_on_arguments()
def get_tile_geom(self, tiles_list):
return self.session.query(
Spatial_Reference.ref_name,
geoalchemy2.functions.ST_AsGeoJSON(Spatial_Reference.geom)).filter(
Spatial_Reference.ref_name.in_(tiles_list))
@region.cache_on_arguments()
def get_all_reference_types(self):
return self.session.query(Spatial_Reference_type).all()
@region.cache_on_arguments()
def get_all_references(self):
return self.session.query(Spatial_Reference.ref_name,
Spatial_Reference.referencetype_id,
Spatial_Reference.ref_id).distinct().all()
def get_reference_by_groupid_polygon(self, group_id, polygon_wkt):
return self.session.query(
Spatial_Reference,
geoalchemy2.functions.ST_AsGeoJSON(Spatial_Reference.geom),
geoalchemy2.functions.ST_AsGeoJSON(
geoalchemy2.functions.ST_Envelope(
Spatial_Reference.geom))).filter(
Spatial_Reference.referencetype_id == group_id).filter(
Spatial_Reference.geom.ST_Intersects('SRID=4326;' +
polygon_wkt))
def get_reference_by_groupid_reference_id(self, group_id, reference_id):
return self.session.query(
Spatial_Reference,
geoalchemy2.functions.ST_AsGeoJSON(Spatial_Reference.geom),
geoalchemy2.functions.ST_AsGeoJSON(
geoalchemy2.functions.ST_Envelope(
Spatial_Reference.geom))).filter(
Spatial_Reference.referencetype_id == group_id).filter(
Spatial_Reference.ref_id == reference_id)
def get_reference_by_groupid_reference_name(self, group_id,
reference_name):
return self.session.query(
Spatial_Reference,
geoalchemy2.functions.ST_AsGeoJSON(Spatial_Reference.geom),
geoalchemy2.functions.ST_AsGeoJSON(
geoalchemy2.functions.ST_Envelope(
Spatial_Reference.geom))).filter(
Spatial_Reference.referencetype_id == group_id).filter(
Spatial_Reference.ref_name == reference_name)
@region.cache_on_arguments()
def get_selected_references(self, REGISTERED_REF_TYPES):
return self.session.query(
Spatial_Reference.ref_name, Spatial_Reference.referencetype_id,
Spatial_Reference.ref_id).filter(
Spatial_Reference.referencetype_id.in_(
REGISTERED_REF_TYPES)).distinct().all()
def get_dataset_tiles_date_clouds(self, sensors_filter, dates_filter,
tiles_list):
if len(sensors_filter) > 0 and len(dates_filter) > 0:
query = self.session.query(
Catalog_Dataset.tile_identifier, Catalog_Dataset.acq_time,
Catalog_Dataset.clouds).filter(or_(*sensors_filter)).filter(
or_(*dates_filter)).filter(
Catalog_Dataset.tile_identifier.in_(
tiles_list)).order_by(
Catalog_Dataset.tile_identifier,
Catalog_Dataset.acq_time)
elif len(sensors_filter) == 0 and len(dates_filter) > 0:
query = self.session.query(
Catalog_Dataset.tile_identifier, Catalog_Dataset.acq_time,
Catalog_Dataset.clouds).filter(or_(*dates_filter)).filter(
Catalog_Dataset.tile_identifier.in_(tiles_list)).order_by(
Catalog_Dataset.tile_identifier,
Catalog_Dataset.acq_time)
return query
