def obs(obs_id: ObservationId = None, limit_and_offset=None):
if obs_id is None:
abort(300, description="ID is required")
return
repository = Repository()
with repository.transaction():
observation = repository.read_observation(obs_id)
orbit = None
if observation is None:
abort(404, "Observation not found")
files = repository.read_observation_files(observation["obs_id"],
**limit_and_offset)
files_count = repository.count_observation_files(obs_id)
satellite = repository.read_satellite(observation["sat_id"])
orbit = observation
if observation['tle'] is not None:
# observation['tle'] is always an array of exactly 2 strings.
orbit = parse_tle(*observation['tle'], satellite["sat_name"])
station = repository.read_station(observation["station_id"])
# Now tweak some observation parameters to make them more human readable
observation = human_readable_obs(observation)
# Now determine if there is a logged user and if there is, if this user is the owner of this
# station. If he is, we should show the admin panel.
user_id = 0
owner = False
if current_user.is_authenticated:
user_id = current_user.get_id()
# Check if the current user is the owner of the station.
station_id = station['station_id']
owner = repository.is_station_owner(user_id, station_id)
return 'obs.html', dict(obs=observation,
files=files,
sat_name=satellite["sat_name"],
item_count=files_count,
orbit=orbit,
station=station,
is_owner=owner)
def obs_delete_db_and_disk(repository: Repository, obs_id: ObservationId):
app.logger.info("About to delete observation %s and all its files" %
obs_id)
# Step 1: Create a list of files to be deleted. There may be several products.
products = repository.read_observation_files(obs_id)
obs = repository.read_observation(obs_id)
files = [[f['filename'], "product"] for f in products]
# Step 2: thumbnail is stored with the observation. There's at most one thumbnail.
files.append([os.path.join("thumbs", obs['thumbnail']), "thumbnail"])
# Step 3: And there are two charts: alt-az pass chart and polar pass chart.
files.append(
[os.path.join("charts", "by_time-%s.png" % obs_id), "pass chart"])
files.append(
[os.path.join("charts", "polar-%s.png" % obs_id), "polar pass chart"])
# All those files are stored in this dir
root = app.config["storage"]['image_root']
status = []
for f in files:
path = os.path.join(root, f[0])
app.logger.info("Trying to delete [%s]" % path)
try:
os.remove(path)
status.append("Deleted %s file %s." % (f[1], f[0]))
except Exception as ex:
status.append("Failed to delete %s file: %s, reason: %s" %
(f[1], path, repr(ex)))
# Step 4: delete entries in the db
repository.delete_observation(obs_id)
status.append("DB removal complete.")
return status
def test_observation_cr_d(self, repository: Repository):
"""Test checks if Create, Retrieve and Delete operations work for observations."""
observation: Observation = {
'obs_id':
ObservationId(0),
'aos':
datetime.datetime(2020, 3, 21, 12, 00, 0),
'tca':
datetime.datetime(2020, 3, 21, 12, 15, 0),
'los':
datetime.datetime(2020, 3, 21, 12, 30, 0),
'sat_id':
SatelliteId(28654),
'thumbnail':
'thumb-123.png',
'config':
None,
'notes':
None,
'station_id':
StationId(1),
'tle': [
"1 25544U 98067A 08264.51782528 -.00002182 00000-0 -11606-4 0 2927",
"2 25544 51.6416 247.4627 0006703 130.5360 325.0288 15.72125391563537"
],
'rating':
None
}
obs_id = repository.insert_observation(observation)
self.assertEqual(type(obs_id), int)
observation["obs_id"] = obs_id
db_observation = repository.read_observation(obs_id)
self.assertIsNotNone(db_observation)
self.assertDictEqual(observation, db_observation) # type: ignore
observation_file: ObservationFile = {
'obs_file_id': ObservationFileId(0),
'filename': '123.png',
'media_type': 'image/png',
'obs_id': obs_id,
'rating': 0.66
}
file_id = repository.insert_observation_file(observation_file)
self.assertEqual(type(file_id), int)
observation_files = repository.read_observation_files(obs_id)
self.assertEqual(len(observation_files), 1)
observation_file["obs_file_id"] = file_id
db_observation_file = observation_files[0]
self.assertDictEqual(observation_file,
db_observation_file) # type: ignore
db_observation = repository.read_observation(obs_id)
self.assertAlmostEqual(db_observation["rating"], 0.66, places=2)
repository.delete_observation(obs_id)
observation_files = repository.read_observation_files(obs_id)
self.assertEqual(len(observation_files), 0)