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tax.py
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164 lines (148 loc) · 4.85 KB
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from flask_rest_jsonapi import ResourceDetail, ResourceList, ResourceRelationship
from flask_rest_jsonapi.exceptions import ObjectNotFound
from sqlalchemy.orm.exc import NoResultFound
from app.api.bootstrap import api
from app.api.helpers.db import get_count, safe_query, safe_query_kwargs
from app.api.helpers.errors import ConflictError, ForbiddenError, MethodNotAllowed
from app.api.helpers.permission_manager import has_access, is_logged_in
from app.api.helpers.utilities import require_relationship
from app.api.schema.tax import TaxSchema, TaxSchemaPublic
from app.models import db
from app.models.event import Event
from app.models.tax import Tax
class TaxList(ResourceList):
"""
TaxList class for creating a TaxSchema
only POST and GET method allowed
"""
def before_post(self, args, kwargs, data):
"""
before post method to check for required relationship and proper permission
:param args:
:param kwargs:
:param data:
:return:
"""
require_relationship(['event'], data)
if not has_access('is_coorganizer', event_id=data['event']):
raise ForbiddenError({'source': ''}, 'Co-organizer access is required.')
if (
get_count(
db.session.query(Event).filter_by(
id=int(data['event']), is_tax_enabled=False
)
)
> 0
):
raise MethodNotAllowed(
{'parameter': 'event_id'}, "Tax is disabled for this Event"
)
def before_create_object(self, data, view_kwargs):
"""
method to check if tax object already exists for an event
:param data:
:param view_kwargs:
:return:
"""
if (
self.session.query(Tax)
.filter_by(event_id=data['event'], deleted_at=None)
.first()
):
raise ConflictError(
{'pointer': '/data/relationships/event'},
"Tax already exists for this event",
)
def before_get(self, args, kwargs):
"""
method to assign proper schema based on admin access
:param args:
:param kwargs:
:return:
"""
if is_logged_in() and has_access('is_admin'):
self.schema = TaxSchema
else:
self.schema = TaxSchemaPublic
methods = ['POST', 'GET']
view_kwargs = True
schema = TaxSchema
data_layer = {
'session': db.session,
'model': Tax,
'methods': {'before_create_object': before_create_object},
}
class TaxDetail(ResourceDetail):
"""
Tax details class
"""
def before_get_object(self, view_kwargs):
"""
before get method to get the tax id to fetch details
:param view_kwargs:
:return:
"""
event = None
if view_kwargs.get('event_id'):
event = safe_query_kwargs(Event, view_kwargs, 'event_id')
elif view_kwargs.get('event_identifier'):
event = safe_query_kwargs(
Event, view_kwargs, 'event_identifier', 'identifier'
)
if event:
tax = safe_query(Tax, 'event_id', event.id, 'event_id')
view_kwargs['id'] = tax.id
def before_get(self, args, kwargs):
"""
before get method to get the resource id for fetching details
:param args:
:param kwargs:
:return:
"""
if 'id' in kwargs:
try:
tax = Tax.query.filter_by(id=kwargs['id']).one()
except NoResultFound:
raise ObjectNotFound({'parameter': 'id'}, f"Tax: Not found for id {id}")
if is_logged_in() and has_access('is_coorganizer', event_id=tax.event_id):
self.schema = TaxSchema
else:
self.schema = TaxSchemaPublic
else:
if is_logged_in() and has_access(
'is_coorganizer', event_id=kwargs['event_id']
):
self.schema = TaxSchema
else:
self.schema = TaxSchemaPublic
decorators = (
api.has_permission(
'is_coorganizer',
fetch="event_id",
fetch_as="event_id",
model=Tax,
methods="PATCH,DELETE",
),
)
schema = TaxSchema
data_layer = {
'session': db.session,
'model': Tax,
'methods': {'before_get_object': before_get_object},
}
class TaxRelationship(ResourceRelationship):
"""
Tax Relationship Resource
"""
decorators = (
api.has_permission(
'is_coorganizer',
fetch="event_id",
fetch_as="event_id",
model=Tax,
methods="PATCH,DELETE",
),
)
methods = ['GET', 'PATCH']
schema = TaxSchema
data_layer = {'session': db.session, 'model': Tax}