def create_sensor_data(sensor_id):
''' Attempt to create a new sensor data entry. '''
# Ensure the associated sensor exists.
_ = Sensor.query.filter(
Sensor.id == sensor_id,
Sensor.deleted == None,
).first_or_404()
# Ensure the sensor value is in the correct format.
document = request.get_json()
value = document.get('value')
if type(value) != float:
raise exceptions.InvalidClientRequest('Value must be a float!')
# Create a new sensor data entry from the provided payload.
candidate = SensorData(
value=value,
sensor_id=sensor_id,
created=to_datetime(document.get('created'))
)
db.session.add(candidate)
try:
db.session.commit()
except sqlalchemy.exc.IntegrityError:
raise exceptions.InternalServerError('Unable to create sensor data')
# Confirm addition with an HTTP 201.
response = jsonify()
response.status_code = 201
return response
def update_plant(plant_id):
''' Attempt to update a given plant. '''
candidate = Plant.query.filter(Plant.id == plant_id, ).first_or_404()
# Map in all fields that can be modified.
document = request.get_json()
if document.get('name'):
candidate.name = document.get('name')
if document.get('description'):
candidate.description = document.get('description')
# Ensure the provided vessel exists, or 404.
if document.get('vessel'):
_ = Vessel.query.filter(
Vessel.id == document.get('vessel'), ).first_or_404()
candidate.vessel_id = document.get('vessel')
try:
db.session.commit()
except sqlalchemy.exc.IntegrityError:
raise exceptions.InternalServerError('Unable to update plant')
# Confirm update with an HTTP 204.
response = jsonify()
response.status_code = 204
return response
def create_plant():
''' Attempt to create a plant. '''
document = request.get_json()
# Ensure the provided vessel exists, or 404.
vessel = Vessel.query.filter(
Vessel.id == document.get('vessel'), ).first_or_404()
# Create a new plant from the provided payload.
candidate = Plant(
name=document.get('name'),
vessel_id=vessel.id,
description=document.get('description'),
)
db.session.add(candidate)
try:
db.session.commit()
except sqlalchemy.exc.IntegrityError:
raise exceptions.InternalServerError('Unable to create plant')
# Return the newly created vessel to the user.
# TODO: Perhaps reference the account in the HTTP 'Location' header, rather
# than returning a body on the HTTP 201?
response = jsonify(candidate.for_json())
response.status_code = 201
return response
def delete_vessel(vessel_id):
''' Attempt to delete a given project. '''
candidate = Vessel.query.filter(
Vessel.id == vessel_id,
Vessel.deleted == None,
).first_or_404()
# Mark deleted.
candidate.deleted = datetime.datetime.utcnow()
try:
db.session.commit()
except sqlalchemy.exc.IntegrityError:
raise exceptions.InternalServerError('Unable to delete vessel')
# Confirm deletion with an HTTP 204.
response = jsonify()
response.status_code = 204
return response
def update_vessel(vessel_id):
''' Attempt to update a given vessel. '''
candidate = Vessel.query.filter(Vessel.id == vessel_id, ).first_or_404()
# Map in all fields that can be modified.
document = request.get_json()
if document.get('name'):
candidate.name = document.get('name')
if document.get('location'):
candidate.location = document.get('location')
try:
db.session.commit()
except sqlalchemy.exc.IntegrityError:
raise exceptions.InternalServerError('Unable to update vessel')
# Confirm update with an HTTP 204.
response = jsonify()
response.status_code = 204
return response
def delete_sensor_category(sensor_category_id):
''' Attempt to delete a given sensor category. '''
candidate = SensorCategory.query.filter(
SensorCategory.id == sensor_category_id,
SensorCategory.deleted == None,
).first_or_404()
# Mark deleted.
candidate.deleted = datetime.datetime.utcnow()
try:
db.session.commit()
except sqlalchemy.exc.IntegrityError:
raise exceptions.InternalServerError(
'Unable to delete sensor category')
# Confirm deletion with an HTTP 204.
response = jsonify()
response.status_code = 204
return response
def update_sensor_category(sensor_category_id):
''' Attempt to update a given sensor. '''
candidate = SensorCategory.query.filter(
SensorCategory.id == sensor_category_id, ).first_or_404()
# Map in all fields that can be modified.
document = request.get_json()
if document.get('name'):
candidate.name = document.get('name')
if document.get('units'):
candidate.units = document.get('units')
try:
db.session.commit()
except sqlalchemy.exc.IntegrityError:
raise exceptions.InternalServerError(
'Unable to update sensor category')
# Confirm update with an HTTP 204.
response = jsonify()
response.status_code = 204
return response
def create_vessel():
''' Attempt to create a vessel. '''
document = request.get_json()
# Create a new project from the provided payload.
candidate = Vessel(
name=document.get('name'),
size=VesselSize.POT_TWELVE_CM,
location=document.get('location'),
)
db.session.add(candidate)
try:
db.session.commit()
except sqlalchemy.exc.IntegrityError:
raise exceptions.InternalServerError('Unable to create vessel')
# Return the newly created vessel to the user.
# TODO: Perhaps reference the account in the HTTP 'Location' header, rather
# than returning a body on the HTTP 201?
response = jsonify(candidate.for_json())
response.status_code = 201
return response
def create_sensor_category():
''' Attempt to create a sensor category. '''
document = request.get_json()
# Create a new sensor category from the provided payload.
candidate = SensorCategory(
name=document.get('name'),
units=document.get('units'),
)
db.session.add(candidate)
try:
db.session.commit()
except sqlalchemy.exc.IntegrityError:
raise exceptions.InternalServerError(
'Unable to create sensor category')
# Return the newly created sensor category to the user.
# TODO: Perhaps reference the account in the HTTP 'Location' header, rather
# than returning a body on the HTTP 201?
response = jsonify(candidate.for_json())
response.status_code = 201
return response