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[services][feature-flags] Connect http service with database

Authored by tomek on Feb 23 2023, 8:46 AM.
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Query the db, transform the result and return it as a response from an endpoint.

Depends on D6861

Test Plan

Send GET request and check it the response is correctly read from AWS.

Diff Detail

rCOMM Comm
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Event Timeline

tomek requested review of this revision.Feb 23 2023, 8:59 AM
bartek requested changes to this revision.Feb 24 2023, 4:40 AM
bartek added inline comments.
35–54 ↗(On Diff #23016)

I'd prefer to return early (pasted code here instead of suggestion because it was so unreadable)

let platform = match query.platform.as_str() {
  "iOS" => Platform::IOS,
  "Android" => Platform::ANDROID,
  _ => {
    return HttpResponse::BadRequest().finish()
match Self::enabled_features_set(
  Ok(features) => HttpResponse::Ok()
    .body(features.into_iter().collect::<Vec<_>>().join(", ")),
  _ => HttpResponse::InternalServerError().finish(),
36–37 ↗(On Diff #23016)

Is it case-sensitive? And should URLs be?

49–50 ↗(On Diff #23016)

I'm wondering if this isn't more readable than a one-liner. Up to you

50 ↗(On Diff #23016)
  • It'd be easier to parse if the separator didn't contain whitespaces, so just a comma or semicolon
  • Is the response Content-Type automatically set to text/plain?
This revision now requires changes to proceed.Feb 24 2023, 4:40 AM
36–37 ↗(On Diff #23016)

Query part of url is case-sensitive. I guess we can make the check on service side case-insensitive, just for the convenience.

49–50 ↗(On Diff #23016)

Agree, it's more readable.

50 ↗(On Diff #23016)

Makes sense!

The docs don't mention that the content is set automatically, so I added it explicitly.

Make code more readable and make platfor case-insensitive

This revision is now accepted and ready to land.Feb 27 2023, 6:17 AM