This commit is contained in:
2025-05-16 14:29:14 -03:00
parent 17131380ac
commit cc9bd08daa
49 changed files with 177 additions and 54 deletions

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from layercake.dateutils import now
from layercake.dynamodb import DynamoDBPersistenceLayer, KeyPair, TransactItems
from models import Course, Org
def create_course(
course: Course,
org: Org,
/,
persistence_layer: DynamoDBPersistenceLayer,
):
now_ = now()
transact = TransactItems(persistence_layer.table_name)
transact.put(
item={
'sk': '0',
'tenant__org_id': {org.id},
'create_date': now_,
**course.model_dump(),
}
)
transact.put(
item={
'id': course.id,
'sk': 'tenant',
'org_id': org.id,
'name': org.name,
'create_date': now_,
}
)
return persistence_layer.transact_write_items(transact)
def update_course(
id: str,
course: Course,
/,
persistence_layer: DynamoDBPersistenceLayer,
):
now_ = now()
transact = TransactItems(persistence_layer.table_name)
transact.update(
key=KeyPair(id, '0'),
update_expr='SET #name = :name, access_period = :access_period, cert = :cert, update_date = :update_date',
expr_attr_names={
'#name': 'name',
},
expr_attr_values={
':name': course.name,
':cert': course.cert.model_dump() if course.cert else None,
':access_period': course.access_period,
':update_date': now_,
},
cond_expr='attribute_exists(sk)',
)
return persistence_layer.transact_write_items(transact)

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from typing import TypedDict
from uuid import uuid4
from layercake.dateutils import now
from layercake.dynamodb import DynamoDBPersistenceLayer, KeyPair, TransactItems
from conf import ORDER_TABLE
class Author(TypedDict):
id: str
name: str
class Course(TypedDict):
id: str
name: str
time_in_days: int
def set_status_as_canceled(
id: str,
*,
lock_hash: str,
author: Author,
course: Course | None = None,
vacancy_key: KeyPair | None = None,
persistence_layer: DynamoDBPersistenceLayer,
):
"""Cancel the enrollment if there's a `cancel_policy`
and put its vacancy back if `vacancy_key` is provided."""
now_ = now()
transact = TransactItems(persistence_layer.table_name)
transact.update(
key=KeyPair(id, '0'),
update_expr='SET #status = :canceled, update_date = :update',
expr_attr_names={
'#status': 'status',
},
expr_attr_values={
':canceled': 'CANCELED',
':update': now_,
},
)
transact.put(
item={
'id': id,
'sk': 'canceled_date',
'author': author,
'create_date': now_,
},
)
transact.delete(
key=KeyPair(id, 'cancel_policy'),
cond_expr='attribute_exists(sk)',
)
# Remove schedules lifecycle events, referencies and locks
transact.delete(key=KeyPair(id, 'schedules#archive_it'))
transact.delete(key=KeyPair(id, 'schedules#no_activity'))
transact.delete(key=KeyPair(id, 'schedules#access_period_ends'))
transact.delete(key=KeyPair(id, 'schedules#does_not_access'))
transact.delete(key=KeyPair(id, 'parent_vacancy'))
transact.delete(key=KeyPair(id, 'lock'))
transact.delete(key=KeyPair('lock', lock_hash))
if vacancy_key and course:
vacancy_pk, vacancy_sk = vacancy_key.values()
org_id = vacancy_pk.removeprefix('vacancies#')
order_id, enrollment_id = vacancy_sk.split('#')
transact.condition(
key=KeyPair(order_id, '0'),
cond_expr='attribute_exists(id)',
table_name=ORDER_TABLE,
)
# Put the vacancy back and assign a new ID
transact.put(
item={
'id': f'vacancies#{org_id}',
'sk': f'{order_id}#{uuid4()}',
'course': course,
'create_date': now_,
},
cond_expr='attribute_not_exists(sk)',
)
# Set the status of `generated_items` to `ROLLBACK` to know
# which vacancy is available for reuse
transact.update(
key=KeyPair(order_id, f'generated_items#{enrollment_id}'),
update_expr='SET #status = :status, update_date = :update',
expr_attr_names={
'#status': 'status',
},
expr_attr_values={
':status': 'ROLLBACK',
':update': now_,
},
cond_expr='attribute_exists(sk)',
table_name=ORDER_TABLE,
)
return persistence_layer.transact_write_items(transact)

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http-api/app/rules/org.py Normal file
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from layercake.dateutils import now
from layercake.dynamodb import DynamoDBPersistenceLayer, KeyPair, TransactItems
def update_policies(
id: str,
/,
payment_policy: dict = {},
billing_policy: dict = {},
*,
persistence_layer: DynamoDBPersistenceLayer,
):
now_ = now()
transact = TransactItems(persistence_layer.table_name)
if payment_policy:
transact.put(
item={
'id': id,
'sk': 'payment_policy',
'create_date': now_,
}
| payment_policy
)
else:
transact.delete(key=KeyPair(id, 'payment_policy'))
if billing_policy:
transact.put(
item={
'id': id,
'sk': 'billing_policy',
'create_date': now_,
}
| billing_policy
)
else:
transact.delete(key=KeyPair(id, 'billing_policy'))
return persistence_layer.transact_write_items(transact)

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http-api/app/rules/user.py Normal file
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from types import SimpleNamespace
from typing import TypedDict
from aws_lambda_powertools.event_handler.exceptions import (
BadRequestError,
)
from botocore.exceptions import ClientError
from botocore.tokens import timedelta
from layercake.dateutils import now, ttl
from layercake.dynamodb import (
ComposeKey,
DynamoDBPersistenceLayer,
KeyPair,
TransactItems,
)
class CPFConflictError(BadRequestError):
pass
User = TypedDict('User', {'id': str, 'name': str, 'cpf': str})
def update_user(
userdata: User,
/,
*,
persistence_layer: DynamoDBPersistenceLayer,
) -> bool:
now_ = now()
ttl_ = now_ + timedelta(hours=24)
user = SimpleNamespace(**userdata)
# Get the user's CPF, if it exists.
old_cpf = persistence_layer.get_item(KeyPair(user.id, '0')).get('cpf', None)
transact = TransactItems(persistence_layer.table_name)
transact.update(
key=KeyPair(user.id, '0'),
update_expr='SET #name = :name, cpf = :cpf, update_date = :update_date',
expr_attr_names={
'#name': 'name',
},
expr_attr_values={
':name': user.name,
':cpf': user.cpf,
':update_date': now_,
},
cond_expr='attribute_exists(sk)',
)
# Prevent the user from updating more than once every 24 hours
transact.put(
item={
'id': user.id,
'sk': 'last_profile_edit',
'create_date': now_,
'ttl': ttl(start_dt=ttl_),
'ttl_date': ttl_,
},
cond_expr='attribute_not_exists(sk)',
)
if user.cpf != old_cpf:
transact.put(
item={
'id': 'cpf',
'sk': user.cpf,
'user_id': user.id,
'create_date': now_,
},
cond_expr='attribute_not_exists(sk)',
)
# Ensures that the old CPF is discarded
if old_cpf:
transact.delete(key=KeyPair('cpf', old_cpf))
try:
persistence_layer.transact_write_items(transact)
except ClientError:
raise CPFConflictError('CPF is already in use.')
else:
return True
def add_email(
id: str,
email: str,
/,
*,
persistence_layer: DynamoDBPersistenceLayer,
):
now_ = now()
transact = TransactItems(persistence_layer.table_name)
transact.update(
key=KeyPair(id, '0'),
update_expr='ADD emails :email',
expr_attr_values={
':email': {email},
},
)
transact.put(
item={
'id': id,
'sk': f'emails#{email}',
'email_primary': False,
'email_verified': False,
'create_date': now_,
},
cond_expr='attribute_not_exists(sk)',
)
transact.put(
item={
'id': 'email',
'sk': email,
'user_id': id,
'create_date': now_,
},
cond_expr='attribute_not_exists(sk)',
)
try:
return persistence_layer.transact_write_items(transact)
except ClientError:
raise BadRequestError('Email already exists.')
def del_email(
id: str,
email: str,
/,
*,
persistence_layer: DynamoDBPersistenceLayer,
) -> bool:
"""Delete any email except the primary email."""
transact = TransactItems(persistence_layer.table_name)
transact.delete(
key=KeyPair('email', email),
)
transact.delete(
key=KeyPair(id, ComposeKey(email, prefix='emails')),
cond_expr='email_primary <> :primary',
expr_attr_values={':primary': True},
)
transact.update(
key=KeyPair(id, '0'),
update_expr='DELETE emails :email',
expr_attr_values={
':email': {email},
},
)
try:
return persistence_layer.transact_write_items(transact)
except ClientError:
raise BadRequestError('Cannot remove the primary email.')
def set_email_as_primary(
id: str,
new_email: str,
old_email: str,
/,
*,
email_verified: bool = False,
persistence_layer: DynamoDBPersistenceLayer,
):
now_ = now()
expr = 'SET email_primary = :email_primary, update_date = :update_date'
transact = TransactItems(persistence_layer.table_name)
# Set the old email as non-primary
transact.update(
key=KeyPair(id, ComposeKey(old_email, 'emails')),
update_expr=expr,
expr_attr_values={
':email_primary': False,
':update_date': now_,
},
)
# Set the new email as primary
transact.update(
key=KeyPair(id, ComposeKey(new_email, 'emails')),
update_expr=expr,
expr_attr_values={
':email_primary': True,
':update_date': now_,
},
)
transact.update(
key=KeyPair(id, '0'),
update_expr=(
'SET email = :email, email_verified = :email_verified, '
'update_date = :update_date'
),
expr_attr_values={
':email': new_email,
':email_verified': email_verified,
':update_date': now_,
},
)
return persistence_layer.transact_write_items(transact)
def del_org_member(
id: str,
*,
org_id: str,
persistence_layer: DynamoDBPersistenceLayer,
) -> bool:
transact = TransactItems(persistence_layer.table_name)
# Remove the user's relationship with the organization and their privileges
transact.delete(key=KeyPair(id, f'acls#{org_id}'))
transact.delete(key=KeyPair(id, f'orgs#{org_id}'))
transact.update(
key=KeyPair(id, '0'),
update_expr='DELETE #tenant :org_id',
expr_attr_names={'#tenant': 'tenant__org_id'},
expr_attr_values={':org_id': {org_id}},
)
# Remove the user from the organization's admins and members list
transact.delete(key=KeyPair(org_id, f'admins#{id}'))
transact.delete(key=KeyPair(f'orgmembers#{org_id}', id))
return persistence_layer.transact_write_items(transact)