ui: Enable recovery from an unreachable datacenter (500 error) #7404
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For URL maintenance reasons we store the last visited DC in
localStorage incase you come back to a page (for example settings) that
doesn't have a dc in the URL.
A problem arises here if the last DC you tried to visit is unreachable.
The first fix here clears out the last visited DC from localStorage if
the API has errored out.
Secondly, our `href-mut` helper which mutates the current current and
replaces 'parts' in the URL rather than the whole thing functioned by
detecting the current route/URL you are on an 'mutating' that. A problem
arose here as even though you might be on the `/ui/dc-1/services` URL the
actual route is the 'error' route which does not have a URL that can be
changed properly.
The second fix here changes the arguments that href-mut accepts to
`{{href-mut fallbackRouteName, hashOfThingsToReplace}}`. If the route is the
error route it will use the fallbackRouteName. Although it seems strange
we decided to put the fallbackRoute as the first argument so it looks
similar to the normal `{{href-to}}` helper.
Acceptance tests included here to replicate the original bug report.
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Still looking into the failing tests here, will re-ping once we are happy |
|
@kaxcode looks like this is ready for another look! |
When `router.currentRouteName === 'error'` then `router.currentRoute.name === Name Of Route Before It Errored` it seems
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For URL maintenance reasons we store the last visited DC in localStorage incase you come back to a page (for example settings) that doesn't have a dc in the URL. A problem arises here if the last DC you tried to visit is unreachable. The first fix here clears out the last visited DC from localStorage if the API has errored out. Secondly, our `href-mut` helper which mutates the current current and replaces 'parts' in the URL rather than the whole thing functioned by detecting the current route/URL you are on an 'mutating' that. A problem arose here as even though you might be on the `/ui/dc-1/services` URL the actual route is the 'error' route which does not have a URL that can be changed properly. The second fix here uses route.currentRoute.name over route.currentRouteName. The latter is equal to error when an error occurs whereas the former gives you the name of the route before the error happened, which is actually what we want/the intent here. ie. when `router.currentRouteName === 'error'` then `router.currentRoute.name === Name Of Route Before It Errored` it seems
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For URL maintenance reasons we store the last visited DC in
localStorage incase you come back to a page (for example settings) that
doesn't have a dc in the URL.
A problem arises here if the last DC you tried to visit is unreachable.
The first fix here clears out the last visited DC from localStorage if
the API has errored out.
Secondly, ourhref-muthelper which mutates the current URL andreplaces 'parts' in the URL rather than the whole thing functioned by
detecting the current route/URL you are on an 'mutating' that. A problem
arose here as even though you might be on the
/ui/dc-1/servicesURL theactual route is the 'error' route which does not have a URL that can be
changed properly.
The second fix here changes the arguments that href-mut accepts to
{{href-mut fallbackRouteName, hashOfThingsToReplace}}. If the route is theerror route it will use the fallbackRouteName. Although it seems strange
we decided to put the fallbackRoute as the first argument so it looks
similar to the normal
{{href-to}}helper.The second fix here uses
route.currentRoute.nameoverroute.currentRouteName.The latter is equal to
errorwhen an error occurs whereas the former gives you the name of the route before the error happened, which is actually what we want/the intent here.Acceptance tests included here to replicate the original bug report.
cc @lkysow