Add affected users chart #383
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@@ Coverage Diff @@
## master #383 +/- ##
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- Coverage 54.70% 54.09% -0.61%
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Files 9 9
Lines 117 122 +5
Branches 8 7 -1
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+ Hits 64 66 +2
- Misses 53 56 +3
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…m/hawk.api.nodejs into feature/affected-users
src/models/eventsFactory.js
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| const dayMidnight = getUTCMidnight(day) / 1000; | ||
| const groupedEvents = groupedData[`groupingTimestamp:${dayMidnight}`]; | ||
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| now.setHours(0, 0, 0, 0); |
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why to not use getUTCMidnight instead?
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getUTCMidnight sounds like a pure function but in fact it implicitly change passed date. So I think explicit set is better here
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so you can rename it with setUTCMidnight. Using a separate method will improve the readability of this code
src/models/eventsFactory.js
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| @@ -296,16 +300,32 @@ class EventsFactory extends Factory { | |||
| * Convert UTC midnight to midnights in user's timezone | |||
| */ | |||
| dailyEvents = dailyEvents.map((item) => { | |||
| const groupingTimestamp = new Date(item.groupingTimestamp * 1000); | |||
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| groupingTimestamp.setTime(groupingTimestamp.getTime() + timezoneOffset * 60 * 1000); | |||
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why the getMidnightWithTimezoneOffset util is replaced with such a line?
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Because it didn't work as expected and is too complicated.
groupingTimestamp is already UTC midnight, so we just need to recalculate it with timezone offset
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looks suspicious. It was working fine and handled edge points with errors that happened near midnight.
Why do you add a timezoneOffset to the Midnight? It won't be midnight after that.
As I can see, the getMidnightWithTimezoneOffset has a comment describing a problem. What exactly does not work as expected?
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