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In order to automate the rental and return process, we need to have automatically executed tasks.

Affected Fragments:

• Rental
• Return Book

Current status: Asked Marcin about current status of implementation.

TBD

Upon creating a new book (e.g. putting it in state desired), create the corresponding product in GoodsTag.
Same goes for User ID (e.g. HPI access card) upon registering.

Investigate how GoodsTag uses events (e.g. NFC tag scan event).

• What exactly are event scripts?
• How can we use them in order to redirect events to Unicorn?
• What information can we access within these scripts?

Should be done before starting issue #9

Add a runbook with detailed instructions for the demo.
Include things like:

• Prerequisites (Should the tag exist in Goodstag or not?, ...)
• Where to get API keys, server addresses, ...
• Automate as much as possible
• Validate the runbook with one of the supervisors and iterate if necessary

As a user, I want to see all Books that are in stock, rented, ...

Therefore, Chimera needs an API to query all data objects of a type independent from the scenario instance. Furthermore, all data object types must be accessible.

The identification should be similar to:

• scenario id (which case models)
• data object id
• optional: state

All final process fragments must be modeled/configured in Gryphon and deployed into Chimera.
If adaptions must be made, they shall be discussed and documented.

• Choice of technology
• Definition of views
• Definition of required API information (if not all done, add in Chimera)
• Deduction of User Stories
• Implementation of User Stories

• Book NFC Scan Event
• User Card NFC Scan Event
• Book UHF Scan Event

In order to send a rental reminder within our process fragement Reminder, we need to setup a mail service (SMTP) and configure Chimera accordingly. Currently, only Gmail accounts are supported in Chimera.

Tasks:

• Setup Gmail Account
• Configure book-shelf instance (=> config.properties) to use Gmail Account credentials
• SendTask in Gryphon modellieren
• SendTask in Chimera konfigurieren ("links im Menü"??)

@Hannes01071995 @julianweise
Please feel free to add additional information 😉

1. Goodstag (and probably other platforms) is not accepting application/json as body, but Chimera has this hard coded
2. WebserviceTasks are not executed automatically if they are the first activity in the process fragment.
3. Start event cannot be followed directly by a timer event -> event-based gateway.
4. Cases are not terminated automatically.

To connect to event streams that are provided on Websocket connections, Unicorn needs a module that establishes a websocket connection to a specified address.

Design Decisions:

• When to establish connection? (Start-time, Run-time)
• How to monitor/mitigate connection issues? (peer closes connection, connection lost, ...)
• How to transform received information into events (and of which types)?

Add a runbook with detailed instructions for the deployment of the services.
Include things like:

• Prerequisites
• Where to get API keys, server addresses, ...
• Automate as much as possible
• Validate the runbook with one of the supervisors and iterate if necessary

Implement it!
Also add some more hints here.

1. Goodstag-Activity
2. Connector/Authentication-Service
3. Webservice Activities: Authentication (save auth token) and Call to API (re-use token)

TBD

• All fragment models are modeled in Signavio
• All object life cycles are modeled in Signavio
• The exported BPMN XML 2.0 files are added to the docs-repo.