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https://github.com/im-cloud-spain-connectors/python-connect-request-offline-criteria
Provides simple, flexible and extensible way to match offline Connect request.
https://github.com/im-cloud-spain-connectors/python-connect-request-offline-criteria
component connect criteria fulfillment offline python request
Last synced: 6 days ago
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Provides simple, flexible and extensible way to match offline Connect request.
- Host: GitHub
- URL: https://github.com/im-cloud-spain-connectors/python-connect-request-offline-criteria
- Owner: IM-Cloud-Spain-Connectors
- License: apache-2.0
- Created: 2023-01-16T14:23:01.000Z (almost 2 years ago)
- Default Branch: master
- Last Pushed: 2023-11-03T13:01:52.000Z (about 1 year ago)
- Last Synced: 2023-11-04T11:26:10.329Z (about 1 year ago)
- Topics: component, connect, criteria, fulfillment, offline, python, request
- Language: Python
- Homepage:
- Size: 26.4 KB
- Stars: 1
- Watchers: 3
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# Python Connect Request Offline Criteria
[](https://github.com/othercodes/python-connect-request-offline-criteria/actions/workflows/test.yml)
Provides simple, flexible and extensible way to match offline Connect requests.
## What is the offline mode?
Some use cases requires specific operations in the connector side without calling the vendor system. Good examples are
migration operations or normalization process.
## Installation
The easiest way to install the Connect Request Offline Criteria library is to get the latest version from PyPI:
```bash
# using poetry
poetry add rndi-connect-request-offline-criteria
# using pip
pip install rndi-connect-request-offline-criteria
```
## The Contracts
This package provides the following contracts or interfaces:
```python
class OfflineChecker(ABC):
@abstractmethod
def is_offline_enabled(self, request: Union[dict, Request]) -> bool:
"""
Evaluates if the given request is in offline mode or not.
:param request: Union[dict, Request] The Connect request object.
:return: bool True if the request is in offline mode, False otherwise.
"""
```
The `OfflineChecker` exposes one single method `is_offline_enabled` that accepts the request dictionary and
returns `True` if the given request match the conditions to be considered as offline, `False` otherwise. All the given
rules must match in order to consider a request as offline.
Each condition or rule must have the following signature:
```python
Rule = Callable[[dict], bool]
```
For example, we can create a rule that will match all the requests in inquiring status as offline:
```python
def match_request_type(request: dict) -> bool:
return Request(request).type() == 'inquiring'
```
## The Adapters
This package comes with an adapter and some simple rules, check the example below:
```python
from rndi.connect.request_offline_criteria.adapters import OfflineCriteria
from rndi.connect.request_offline_criteria.rules import (
match_request_type,
match_offline_asset_parameter,
)
offline = OfflineCriteria([
match_request_type, # match the requests with type cancel and suspend.
match_offline_asset_parameter, # match the request with value "True" in param "offline_mode".
])
# True if both filters match, False otherwise
if offline.is_offline_enabled(request):
print("is offline model")
else:
print("is online model")
```
Alternatively, you can use the `OfflineCriteria` adapter as a business middleware to wrap business transactions:
```python
from rndi.connect.request_offline_criteria.adapters import OfflineCriteria
from rndi.connect.request_offline_criteria.rules import match_request_type, match_offline_asset_parameter
from rndi.connect.business_transactions.adapters import prepare
from rndi.connect.business_transaction_middleware.middleware import make_middleware_callstack
# get the business transaction
transaction = prepare(CreateCustomer())
# instantiate the OfflineCriteria.
offline = OfflineCriteria([
match_request_type, # match the requests with type cancel and suspend.
match_offline_asset_parameter, # match the request with value "True" in param "offline_mode".
])
# make the middleware callstack
transaction = make_middleware_callstack([offline], transaction)
# execute the transaction normally, if the given request match the offline rules the request will be automatically
# skipped without executing the actual transaction code.
response = transaction(request)
```
Additionally, you can trigger custom code on matching offline, by passing the `on_match` argument to
the `OfflineCriteria`
class on instantiation, for example, you can use the `DefaultOnMatchTransaction` class that comes with the package:
```python
from rndi.connect.request_offline_criteria.adapters import OfflineCriteria, DefaultOnMatchTransaction
from rndi.connect.request_offline_criteria.rules import match_request_type, match_offline_asset_parameter
# instantiate the OfflineCriteria.
offline = OfflineCriteria([
match_request_type, # match the requests with type cancel and suspend.
match_offline_asset_parameter, # match the request with value "True" in param "offline_mode".
], DefaultOnMatchTransaction("TL-662-440-096", client, logger))
```
By default, the `DefaultOnMatchTransaction` class will:
* Log the message: `"The subscription {id} is in offline mode."`.
* Approve the request with the configured activation template.
* Finish the transaction with `BackgroundResponse.done()`.
Or simply use a callable that receives the request dictionary and returns a valid `BackgroundResponse`:
```python
from connect.eaas.core.responses import BackgroundResponse
from rndi.connect.request_offline_criteria.adapters import OfflineCriteria
from rndi.connect.request_offline_criteria.rules import match_request_type, match_offline_asset_parameter
def custom_offline_on_match(request: dict) -> BackgroundResponse:
# do something custom here.
return BackgroundResponse.done()
offline = OfflineCriteria([
match_request_type,
match_offline_asset_parameter,
], custom_offline_on_match)
```