Support for collections

[BardezAnAvatar]

Is your feature request related to a problem? Please describe.
It's frustrating to see 10+ titles cluttering screen space, when the issues are related to a single property (i.e.: Spider-Man titles, G.I. Joe, X-Men, etc.)

Describe the solution you'd like
I'd like the ability to have a "Collection" functionality similar to Radarr that I could add Volumes to, so that when looking at the home page I would not need to sort through so much. The ability to create a Collection, and assign Volumes to that collection could keep clutter down.

Additional context
Example: This hierarchy is clearly still a large collection, but it is something that can be used to de-clutter and organize on a generic grouping:

Example of the 10 volumes that could be simplified by a single "Avengers" Collection.

[Casvt]

What should the cover image be of the collection? Just copy over the cover image of the first volume in it?

[BardezAnAvatar]

Arguably the first issue cover of the earliest title, but I'd say anything that makes sense to implement this and refined behavior at a later date if complaints arise.

[trumblejoe]

Just a solid background and something like a stamp font that says Collection, with the Collection title underneath the poster would be great. You'll have to use ellipses past a few characters or two multi-lines though. Still, a Collection poster default is simple and stands out when scrolling the library.

[goosedanvers]

How Komga solves this is by showing 4 small posters of series in the collection / readlist. It also allows to manually upload a poster.

If there is less than 4, it repeats:

[steve1977]

If you were to implement this, could this be done in a way that Komga then also identifies this as a collection. I forgot the details, but I recall that CBZ has some form of collection tagging.

[steve1977]

How do you deal with cross-overs in your setup?

[Casvt]

@steve1977 the ComicInfo.xml file format supports a SeriesGroup field that represents a collection yes.

What do you mean with dealing with cross-overs?

[thatdanguy10]

I think Komga only gives you the option to select entire Series for collections, but to use these to collect things like Major Events/ Crossovers, having the ability to also add individual issues to a collection would be critical especially since events can span many different volumes and crossover titles. Also being able to sort the order after the collection is created would be awesome as well.