@MusikAnimal I want to hear your thoughts on this.

Yeah that's a doozy! I would fetch the data when requested. For the view it should go reasonably fast with pagination, at least if we're only looking at a handful of wikis. Downloading all the data may take longer but I think in that case it's acceptable to have to wait. Do you know how many revisions we'd typically see for any given event?

In T186377#3943605, @MusikAnimal wrote:

Do you know how many revisions we'd typically see for any given event?

That's hard to estimate. Say we have 50 participants for an event and every participant makes 10 edits per day for about 10 days so ~5000?
Of course that number will vary widely with when it's requested, participant size, event size etc. I'm just making a guess here. :)

We currently don't have a way to concretely estimate these numbers because Wikimetrics doesn't provide us any, AFAICT.

I think it's acceptable to have to wait too. We should fetch when requested.

@Niharika Regarding the "Download as wikitext" feature, are we sure we want to export every revision? That would result in a lot of markup, that could potentially be too much for a wiki page. You might instead produce a table showing only the per-wiki statistics and totals, or maybe limit it to that if there are more than N total revisions.

In T186377#3959742, @MusikAnimal wrote:

@Niharika Regarding the "Download as wikitext" feature, are we sure we want to export every revision? That would result in a lot of markup, that could potentially be too much for a wiki page. You might instead produce a table showing only the per-wiki statistics and totals, or maybe limit it to that if there are more than N total revisions.

You're right that there should be a sane limit but I don't know what it should be right now. I'd say for v1 we do all the revisions and after beta testing we figure out the limit. I'm adding this as a question for Sati.

Another question... how do we navigate to the "event data" page? I'm thinking next to the "Calculate" button there is a "View revisions" or "View full data" button, which makes it clear you'll be seeing all the revisions within the Grant Metrics interface. This also bundles all the stats-related actions together, since they'll all be disabled while calculations are in progress (otherwise exporting or pagination could suddenly give you different data, whilst hogging up our quota).

In T186377#3959916, @MusikAnimal wrote:

Another question... how do we navigate to the "event data" page? I'm thinking next to the "Calculate" button there is a "View revisions" or "View full data" button, which makes it clear you'll be seeing all the revisions within the Grant Metrics interface. This also bundles all the stats-related actions together, since they'll all be disabled while calculations are in progress (otherwise exporting or pagination could suddenly give you different data, whilst hogging up our quota).

Ah, sorry for not making that clear. The event data page is what you see what you click on the "Export" button on the event stats page - the one next to Calculate totals. Although I like your wording for it better. We should reword "Export" to "View all data" and keep the icon we have on it.

Ready for review! Everything seems to be going surprisingly fast, even the export options, but I haven't done any sort of load testing.

"Download as CSV" downloads an actual file, but for the wiki table I had it open the markup in a new tab. That way they can copy/paste to the wiki. On that note, we could even copy it to the clipboard for them, if we wanted!

Relevant commits: https://github.com/wikimedia/grantmetrics/compare/10f38f7695950bfa95c10867d3b193b164964d48...85459446c1a2a7689dd8a791d0f137a9411d50b7