updat readme

enrollment-management/Makefile

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+build:
+	sam build --use-container
+
+deploy: build
+	sam deploy --debug

enrollment-management/app/boto3clients.py

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+import os
+
+import boto3
+
+
+def get_dynamodb_client():
+    if os.getenv('AWS_LAMBDA_FUNCTION_NAME'):
+        return boto3.client('dynamodb')
+
+    return boto3.client('dynamodb', endpoint_url='http://localhost:8000')
+
+
+dynamodb_client = get_dynamodb_client()

enrollment-management/app/conf.py

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+import os
+
+USER_TABLE: str = os.getenv('USER_TABLE')  # type: ignore
+ORDER_TABLE: str = os.getenv('ORDER_TABLE')  # type: ignore
+ENROLLMENT_TABLE: str = os.getenv('ENROLLMENT_TABLE')  # type: ignore

enrollment-management/app/events/emails/access_period_expired.py

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+from aws_lambda_powertools import Logger
+from aws_lambda_powertools.utilities.data_classes import (
+    EventBridgeEvent,
+    event_source,
+)
+from aws_lambda_powertools.utilities.typing import LambdaContext
+
+logger = Logger(__name__)
+
+
+@event_source(data_class=EventBridgeEvent)
+@logger.inject_lambda_context
+def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> None:
+    """Send an email when the access period expires"""

enrollment-management/app/events/emails/certificate_expiration_reminder.py

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+from aws_lambda_powertools import Logger
+from aws_lambda_powertools.utilities.data_classes import (
+    EventBridgeEvent,
+    event_source,
+)
+from aws_lambda_powertools.utilities.typing import LambdaContext
+
+logger = Logger(__name__)
+
+
+@event_source(data_class=EventBridgeEvent)
+@logger.inject_lambda_context
+def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> None: ...

enrollment-management/app/events/emails/no_activity_7_days.py

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+from aws_lambda_powertools import Logger
+from aws_lambda_powertools.utilities.data_classes import (
+    EventBridgeEvent,
+    event_source,
+)
+from aws_lambda_powertools.utilities.typing import LambdaContext
+
+logger = Logger(__name__)
+
+
+@event_source(data_class=EventBridgeEvent)
+@logger.inject_lambda_context
+def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> None:
+    """Send an email when there is no activity 7 days after the first access"""

enrollment-management/app/events/emails/reminder_no_access_3_days.py

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+from aws_lambda_powertools import Logger
+from aws_lambda_powertools.utilities.data_classes import (
+    EventBridgeEvent,
+    event_source,
+)
+from aws_lambda_powertools.utilities.typing import LambdaContext
+
+logger = Logger(__name__)
+
+
+@event_source(data_class=EventBridgeEvent)
+@logger.inject_lambda_context
+def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> None:
+    """Send reminder email if the user does not access within 3 days"""

enrollment-management/app/events/set_status_as_archived.py

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+from aws_lambda_powertools import Logger
+from aws_lambda_powertools.utilities.data_classes import (
+    EventBridgeEvent,
+    event_source,
+)
+from aws_lambda_powertools.utilities.typing import LambdaContext
+
+logger = Logger(__name__)
+
+
+@event_source(data_class=EventBridgeEvent)
+@logger.inject_lambda_context
+def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> None: ...

enrollment-management/app/events/stopgap/del_vacancies.py

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+from aws_lambda_powertools import Logger
+from aws_lambda_powertools.utilities.data_classes import (
+    EventBridgeEvent,
+    event_source,
+)
+from aws_lambda_powertools.utilities.typing import LambdaContext
+from layercake.dynamodb import (
+    ComposeKey,
+    DynamoDBPersistenceLayer,
+    KeyPair,
+    SortKey,
+    TransactKey,
+)
+
+from boto3clients import dynamodb_client
+from conf import ENROLLMENT_TABLE, ORDER_TABLE, USER_TABLE
+
+logger = Logger(__name__)
+user_layer = DynamoDBPersistenceLayer(USER_TABLE, dynamodb_client)
+order_layer = DynamoDBPersistenceLayer(ORDER_TABLE, dynamodb_client)
+enrollment_layer = DynamoDBPersistenceLayer(ENROLLMENT_TABLE, dynamodb_client)
+
+
+@event_source(data_class=EventBridgeEvent)
+@logger.inject_lambda_context
+def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
+    new_image = event.detail['new_image']
+    order_id = new_image['id']
+    data = order_layer.collect.get_items(
+        TransactKey(order_id)
+        + SortKey('0')
+        + KeyPair(
+            pk=order_id,
+            sk=SortKey(
+                'metadata#tenant',
+                path_spec='tenant_id',
+                remove_prefix='metadata#',
+            ),
+            rename_key='tenant_id',
+        )
+    )
+    total = data['total']
+    tenant_id = data['tenant_id'].removeprefix('ORG#')
+
+    policy = user_layer.collect.get_item(
+        KeyPair(pk=tenant_id, sk='metadata#billing_policy'),
+        raise_on_error=False,
+        default=False,
+    )
+
+    if not policy or total <= 0:
+        return False
+
+    result = enrollment_layer.collect.query(
+        KeyPair(
+            ComposeKey(tenant_id, prefix='vacancies'),
+            order_id,
+        )
+    )
+    with enrollment_layer.batch_writer() as batch:
+        for pair in result['items']:
+            batch.delete_item(
+                Key={
+                    'id': {'S': f'vacancies#{pair["id"]}'},
+                    'sk': {'S': pair['sk']},
+                }
+            )
+
+    return True

enrollment-management/pyproject.toml

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+[project]
+name = "enrollment-management"
+version = "0.1.0"
+description = ""
+readme = ""
+requires-python = ">=3.13"
+dependencies = ["layercake"]
+
+[dependency-groups]
+dev = [
+    "jsonlines>=4.0.0",
+    "pytest>=8.3.4",
+    "pytest-cov>=6.0.0",
+    "ruff>=0.9.1",
+]
+
+[tool.pytest.ini_options]
+pythonpath = ["app/"]
+addopts = "--cov --cov-report html -v"
+
+[tool.ruff]
+target-version = "py311"
+src = ["app"]
+
+[tool.ruff.format]
+quote-style = "single"
+
+[tool.ruff.lint]
+select = ["E", "F", "I"]
+
+
+[tool.uv.sources]
+layercake = { path = "../layercake" }

enrollment-management/pyrightconfig.json

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+{
+  "extraPaths": ["app/"]
+}

enrollment-management/samconfig.toml

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+version = 0.1
+[default.deploy.parameters]
+stack_name = "saladeaula-enrollment-management"
+resolve_s3 = true
+s3_prefix = "enrollment_management"
+region = "sa-east-1"
+confirm_changeset = false
+capabilities = "CAPABILITY_IAM"
+image_repositories = []

enrollment-management/template.yaml

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+AWSTemplateFormatVersion: 2010-09-09
+Transform: AWS::Serverless-2016-10-31
+
+Parameters:
+  UserTable:
+    Type: String
+    Default: betaeducacao-prod-users_d2o3r5gmm4it7j
+  EnrollmentTable:
+    Type: String
+    Default: betaeducacao-prod-enrollments
+  OrderTable:
+    Type: String
+    Default: betaeducacao-prod-orders
+
+Globals:
+  Function:
+    CodeUri: app/
+    Runtime: python3.13
+    Tracing: Active
+    Architectures:
+      - x86_64
+    Layers:
+      - !Sub arn:aws:lambda:sa-east-1:336641857101:layer:layercake:68
+    Environment:
+      Variables:
+        TZ: America/Sao_Paulo
+        LOG_LEVEL: DEBUG
+        DYNAMODB_PARTITION_KEY: id
+        POWERTOOLS_LOGGER_SAMPLE_RATE: 0.1
+        POWERTOOLS_LOGGER_LOG_EVENT: true
+        USER_TABLE: !Ref UserTable
+        ENROLLMENT_TABLE: !Ref EnrollmentTable
+
+Resources:
+  EventLog:
+    Type: AWS::Logs::LogGroup
+    Properties:
+      RetentionInDays: 90
+
+  EventDelVacanciesFunction:
+    Type: AWS::Serverless::Function
+    Properties:
+      Handler: events.del_vacancies.lambda_handler
+      LoggingConfig:
+        LogGroup: !Ref EventLog
+      Policies:
+        - DynamoDBReadPolicy:
+            TableName: !Ref UserTable
+        - DynamoDBReadPolicy:
+            TableName: !Ref OrderTable
+        - DynamoDBCrudPolicy:
+            TableName: !Ref EnrollmentTable
+      Events:
+        DynamoDBEvent:
+          Type: EventBridgeRule
+          Properties:
+            Pattern:
+              resources: [!Ref OrderTable]
+              detail:
+                new_image:
+                  sk: [generated_items]
+                  status: [SUCCESS]

enrollment-management/tests/conftest.py

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+import os
+from dataclasses import dataclass
+
+import jsonlines
+import pytest
+
+PYTEST_TABLE_NAME = 'pytest'
+PK = 'id'
+SK = 'sk'
+
+
+# https://docs.pytest.org/en/7.1.x/reference/reference.html#pytest.hookspec.pytest_configure
+def pytest_configure():
+    os.environ['TZ'] = 'America/Sao_Paulo'
+    os.environ['DYNAMODB_PARTITION_KEY'] = PK
+    os.environ['DYNAMODB_SORT_KEY'] = SK
+    os.environ['USER_TABLE'] = PYTEST_TABLE_NAME
+    os.environ['COURSE_TABLE'] = PYTEST_TABLE_NAME
+    os.environ['ORDER_TABLE'] = PYTEST_TABLE_NAME
+    os.environ['ENROLLMENT_TABLE'] = PYTEST_TABLE_NAME
+
+
+@dataclass
+class LambdaContext:
+    function_name: str = 'test'
+    memory_limit_in_mb: int = 128
+    invoked_function_arn: str = 'arn:aws:lambda:eu-west-1:809313241:function:test'
+    aws_request_id: str = '52fdfc07-2182-154f-163f-5f0f9a621d72'
+
+
+@pytest.fixture
+def lambda_context() -> LambdaContext:
+    return LambdaContext()
+
+
+@pytest.fixture
+def dynamodb_client():
+    from boto3clients import dynamodb_client as client
+
+    client.create_table(
+        AttributeDefinitions=[
+            {'AttributeName': PK, 'AttributeType': 'S'},
+            {'AttributeName': SK, 'AttributeType': 'S'},
+        ],
+        TableName=PYTEST_TABLE_NAME,
+        KeySchema=[
+            {'AttributeName': PK, 'KeyType': 'HASH'},
+            {'AttributeName': SK, 'KeyType': 'RANGE'},
+        ],
+        ProvisionedThroughput={
+            'ReadCapacityUnits': 123,
+            'WriteCapacityUnits': 123,
+        },
+    )
+
+    yield client
+
+    client.delete_table(TableName=PYTEST_TABLE_NAME)
+
+
+@pytest.fixture()
+def dynamodb_persistence_layer(dynamodb_client):
+    from layercake.dynamodb import DynamoDBPersistenceLayer
+
+    return DynamoDBPersistenceLayer(PYTEST_TABLE_NAME, dynamodb_client)
+
+
+@pytest.fixture()
+def dynamodb_seeds(dynamodb_client):
+    with jsonlines.open('tests/seeds.jsonl') as lines:
+        for line in lines:
+            dynamodb_client.put_item(TableName=PYTEST_TABLE_NAME, Item=line)

enrollment-management/tests/events/stopgap/test_del_vacancies.py

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+from layercake.dynamodb import PartitionKey
+
+import events.stopgap.del_vacancies as app
+
+from ...conftest import LambdaContext
+
+
+def test_del_vacancies(
+    dynamodb_seeds,
+    dynamodb_persistence_layer,
+    lambda_context: LambdaContext,
+):
+    event = {
+        'detail': {
+            'new_image': {
+                'id': '9omWNKymwU5U4aeun6mWzZ',
+                'sk': 'generated_items',
+                'create_date': '2024-07-23T20:43:37.303418-03:00',
+                'status': 'SUCCESS',
+                'scope': 'MILTI_USER',
+            }
+        },
+    }
+    assert app.lambda_handler(event, lambda_context)  # type: ignore
+
+    result = dynamodb_persistence_layer.collect.query(
+        PartitionKey('vacancies#cJtK9SsnJhKPyxESe7g3DG')
+    )
+
+    assert len(result['items']) == 0

enrollment-management/tests/seeds.jsonl

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+{"id": {"S": "cJtK9SsnJhKPyxESe7g3DG"}, "sk": {"S": "metadata#payment_policy"}, "due_days": {"N": "90"}}
+{"id": {"S": "cJtK9SsnJhKPyxESe7g3DG"}, "sk": {"S": "metadata#billing_policy"}, "billing_day": {"N": "1"}, "payment_method": {"S": "PIX"}}
+{"id": {"S": "9omWNKymwU5U4aeun6mWzZ"}, "sk": {"S": "0"}, "total": {"N": "398"}}
+{"id": {"S": "9omWNKymwU5U4aeun6mWzZ"}, "sk": {"S": "metadata#tenant"}, "tenant_id": {"S": "ORG#cJtK9SsnJhKPyxESe7g3DG"}}
+{"id": {"S": "9omWNKymwU5U4aeun6mWzZ"}, "sk": {"S": "metadata#tenant"}, "tenant_id": {"S": "ORG#cJtK9SsnJhKPyxESe7g3DG"}}
+{"id": {"S": "vacancies#cJtK9SsnJhKPyxESe7g3DG"}, "sk": {"S": "9omWNKymwU5U4aeun6mWzZ#1"}}
+{"id": {"S": "vacancies#cJtK9SsnJhKPyxESe7g3DG"}, "sk": {"S": "9omWNKymwU5U4aeun6mWzZ#2"}}
+{"id": {"S": "vacancies#cJtK9SsnJhKPyxESe7g3DG"}, "sk": {"S": "9omWNKymwU5U4aeun6mWzZ#3"}}