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30 lines
705 B
Go
30 lines
705 B
Go
package datetime
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import (
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"context"
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"github.com/MontFerret/ferret/pkg/runtime/values"
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"github.com/MontFerret/ferret/pkg/runtime/core"
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)
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// DateDayOfYear returns the day of year number of date.
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// The return value range from 1 to 365 (366 in a leap year).
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// @params date (DateTime) - source DateTime.
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// @return (Int) - a day of year number.
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func DateDayOfYear(_ 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], core.DateTimeType)
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if err != nil {
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return values.None, err
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}
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dayOfYear := args[0].(values.DateTime).YearDay()
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return values.NewInt(dayOfYear), nil
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}
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