EPIC: `tag` `items` to categorise and organize

[iteles]

As a person who believes that structure is key to organisation and trust in an app
I'd like to be able to tag my inputs with tags I make up myself
So that I can later have a better understanding of what is required from that capture at a glance and filter by the topics I am most interested in.

Tagging and projects are some of the features that I expect to most evolve as part of the app's user experience as they are the most critical but here is a starting point.

To be clear, I don't think that this will be useable as-is, but will certainly be a place to evolve from. We will have a much better UX for this within the next sprint but this is the starting point.

Acceptance Criteria

• When I edit an existing item in my list of captures items,
  I see a text field where I can input tags
• For stage 1, tags are input as a comma-separated list (a space required after each comma)
• A submit button is clicked to save them
• Each tag is checked against the saved tags (case-insensitive) and:
  • If a tag already exists, save the captures item against that tag
  • If a tag does not exist, create a new tag and save the captures item to it
  • Do not worry about leading and trailing spaces for now, this will not be the final UX MVP so we shouldn't waste time on fool-proofing for leading and trailing spaces yet - this version will only be used inside the dwyl team
• Once tags are saved, take human back to the list of captures items
• The list of tags should be displayed under the item.text
• each tag should be a clickable hyperlink
  • clicking/tapping on the tag (hyperlink) should filter the items in the current list to just those with that tag.

[SimonLab]

Thanks @iteles for these acceptance criteria.

Do not worry about leading and trailing spaces for now

I think it shouldn't be too complicated to trim the spaces on tags. Another question, do we want tags to be case insensitive? Might be good to avoid creating duplicated tags.
Singular vs plural tags might also be a case where duplicated can be created (eg idea vs ideas tag)?

[iteles]

@SimonLab All good questions!

On case sensitivity - definitely case-insensitive for now.

I wouldn't worry about the plurals yet because we will very closely get to an auto-complete solution to this where a person will type in a couple of letters and get the various suggestions given to them (which should deal with the plurals).

[nelsonic]

@iteles are you working on creating the UI for this story or am I'?
It's been in Sprint 1 milestone https://github.com/dwyl/app/milestone/3 for way too long ...
Can we either remove it from the milestone or provide some sort of update?

[nelsonic]

The UX of this is pretty important. This is a mini-project in itself that is worth brainstorming several UIs for to ensure that we have an API that can cater to all UI/UXs.
@iteles do you have time to sit down and sketch ideas with me e.g: tomorrow?