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89 lines
1.5 KiB
Markdown
89 lines
1.5 KiB
Markdown
# Date Functions
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## now
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The current date/time. Use this in conjunction with other date functions.
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## ago
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The `ago` function returns duration from time.Now in seconds resolution.
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```
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ago .CreatedAt"
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```
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returns in `time.Duration` String() format
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```
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2h34m7s
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```
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## date
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The `date` function formats a date.
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Format the date to YEAR-MONTH-DAY:
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```
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now | date "2006-01-02"
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```
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Date formatting in Go is a [little bit different](https://pauladamsmith.com/blog/2011/05/go_time.html).
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In short, take this as the base date:
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```
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Mon Jan 2 15:04:05 MST 2006
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```
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Write it in the format you want. Above, `2006-01-02` is the same date, but
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in the format we want.
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## dateInZone
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Same as `date`, but with a timezone.
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```
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date "2006-01-02" (now) "UTC"
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```
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## dateModify
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The `dateModify` takes a modification and a date and returns the timestamp.
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Subtract an hour and thirty minutes from the current time:
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```
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now | date_modify "-1.5h"
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```
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## htmlDate
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The `htmlDate` function formates a date for inserting into an HTML date picker
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input field.
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```
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now | htmlDate
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```
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## htmlDateInZone
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Same as htmlDate, but with a timezone.
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```
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htmlDate (now) "UTC"
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```
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## toDate
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`toDate` converts a string to a date. The first argument is the date layout and
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the second the date string. If the string can't be convert it returns the zero
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value.
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This is useful when you want to convert a string date to another format
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(using pipe). The example below converts "2017-12-31" to "31/12/2017".
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```
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toDate "2006-01-02" "2017-12-31" | date "02/01/2006"
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```
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