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https://github.com/MontFerret/ferret.git
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1af8b37a0f
* New type system * Fixed dot notation for HTML elements
51 lines
1.1 KiB
Go
51 lines
1.1 KiB
Go
package datetime
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import (
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"context"
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"time"
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"github.com/MontFerret/ferret/pkg/runtime/core"
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"github.com/MontFerret/ferret/pkg/runtime/values"
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"github.com/MontFerret/ferret/pkg/runtime/values/types"
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)
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var daysCount = map[time.Month]int{
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time.January: 31,
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time.February: 28,
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time.March: 31,
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time.April: 30,
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time.May: 31,
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time.June: 30,
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time.July: 30,
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time.August: 31,
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time.September: 30,
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time.October: 31,
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time.November: 30,
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time.December: 31,
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}
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// DateDaysInMonth returns the number of days in the month of date.
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// @params date (DateTime) - source DateTime.
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// @return (Int) - number of the days.
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func DateDaysInMonth(_ context.Context, args ...core.Value) (core.Value, error) {
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err := core.ValidateArgs(args, 1, 1)
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if err != nil {
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return values.None, err
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}
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err = core.ValidateType(args[0], types.DateTime)
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if err != nil {
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return values.None, err
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}
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dt := args[0].(values.DateTime)
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month := dt.Month()
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count := daysCount[month]
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if month == time.February && isLeap(dt.Year()) {
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count++
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}
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return values.NewInt(count), nil
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}
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