lan:hordalan:rfid:software - wiki.OpenShell.no

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====== Projects ======


===== Registration =====

Webapp, Android and/or a plain TUI((terminal user interface)).

The challenge with webapp is connecting both QR code scanner((webcam?)) and NFC scanner(([[https://caniuse.com/web-serial|Web Serial APIs]] are only available in chrome desktop browsers)).
Using a local Python app as the hardware interface for the browser is quite possible.
Android apps have access to both, assuming the phone has a NFC scanner.



**Scenario:**\\
Deltaker har ødelagt/mistet armbåndet/NFC chippen. De må få registrert nytt armbånd, og det gamle må deaktiveres.\\
Jeg tenker dette er noe som bør gjøres i info skranken? Eventuelt ved hovedingang, samme med registrering av dagspass.
==== MVP ====
  - Scan ticket((QR code?))
  - Scan NFC armband
  - Connect ticket to NFC armband in the database
  - Be ready for next ticket
  - Next "post" crimps armband in place

==== Extra ====
  * Information stand before entry gate on opening day? \\ This to avoid clogging registrations up with people who want to ask additional questions

==== Flow graph ====
{{:lan:hordalan:rfid:hordalan_checkin_graph.jpg?200 |}}


===== Parental info UI =====

==== MVP ====
  - Secure login
  - See if kid is in or out


==== Extra ====

  * Alert((notification)) when kid leaves 
  * ↑ Potentially with delay for quick trips outside for food stall
  * Android/iOS apps would be nice, but;
    * Is extra work
    * Cumbersome/expensive((iOS requires both a paid developers account, and a macbook, to my knowledge)) to get published
    * App reviews take time((Obtainium is a way around this for Android, but probably not satisfactory for a good portion of the target audience))

===== Discord bot =====

The bot from 2024 is located here; [[https://github.com/HordaLAN/hordalan-discord-checkin]]((Currently a private repo — make public?))

==== MVP ====
  * Send message to a specific Discord channel containing a list of who is in the building
  * Command to check in/out (in case you didn't with RFID) and set an AFK message

==== Extra ====
  * Set role to indicate who is in and who is out
  * A way to indicate that you are sleeping in the hall / otherwise "off duty" but available


===== Crew interface =====

==== MVP ====
  * Display the same info as the Discord bot, but in a nicer way
  * Auto-refresh display

==== Extra ====
  * Login
  * Ability to change your away state and message


====== Web stack ======

> The benefit of using Django is that you get a lot "for free", including login and an admin interface (with minimal additional setup).
> I am not too familiar with Flask, but I've tried it briefly some time back. I'm confident it's up to the task.
> I've played some with FastAPI and SQLAlchemy, so I'm comfortable enough with those.
> Jinja and Django templates are mostly syntax compatable for the basic features, either will work for our use cases.
> HTMX is a js framework for swapping in server-side rendered fragments. Simple javascript include, no compilation or NPM dependencies.
> I do //not// want a client framework that requires using npm/yarn and similar to pull in a bunch of dependencies and compile the code,
> simple HTML5 is more than good enough, and runs lighter on client devices.
> I do not currently hold any strong opinions when it comes to component libraries and css frameworks.
>  --- //[[oddstr13@openshell.no|Odd Stråbø]] 2024-08-31 22:04//

==== Proposed ====

  * [[https://www.djangoproject.com/|Django]]
  * Django templating
  * Django ORM
  * [[https://htmx.org/|HTMX]]

==== Alternatives ====

  * Django / [[https://fastapi.tiangolo.com/|FastAPI]] / [[https://flask.palletsprojects.com/|Flask]]
  * Django templating / [[https://jinja.palletsprojects.com/|Jinja]]
  * Django ORM / [[https://www.sqlalchemy.org/|SQLAlchemy]]
  * HTMX


====== See also ======
  * [[..|RFID/NFC hardware selection]]
Trace: • client • printer • software • rfid • lora • start • rtk-gps • optimus • cnc • oddstr13
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