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29 changes: 0 additions & 29 deletions
29
NBi.Core/Transformation/Transformer/Native/BlankToEmpty.cs
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148 changes: 148 additions & 0 deletions
148
NBi.Core/Transformation/Transformer/Native/DateTime/DateTimeTransformations.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,148 @@ | ||
| using NBi.Core.Scalar.Casting; | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
|
|
||
| namespace NBi.Core.Transformation.Transformer.Native | ||
| { | ||
| abstract class AbstractDateTimeTransformation : INativeTransformation | ||
| { | ||
|
|
||
| public object Evaluate(object value) | ||
| { | ||
| switch (value) | ||
| { | ||
| case null: return EvaluateNull(); | ||
| case DBNull dbnull: return EvaluateNull(); | ||
| case DateTime dt: return EvaluateDateTime(dt); | ||
| default: return EvaluateUncasted(value); | ||
| } | ||
| } | ||
|
|
||
| private object EvaluateUncasted(object value) | ||
| { | ||
| if (value as string == "null") | ||
| EvaluateNull(); | ||
|
|
||
| var caster = new DateTimeCaster(); | ||
| var dateTime = caster.Execute(value); | ||
| return EvaluateDateTime(dateTime); | ||
| } | ||
|
|
||
| protected virtual object EvaluateNull() => null; | ||
| protected abstract object EvaluateDateTime(DateTime value); | ||
| } | ||
|
|
||
| class DateTimeToDate : AbstractDateTimeTransformation | ||
| { | ||
| protected override object EvaluateDateTime(DateTime value) => value.Date; | ||
| } | ||
|
|
||
| class DateToAge : AbstractDateTimeTransformation | ||
| { | ||
| protected override object EvaluateNull() => 0; | ||
| protected override object EvaluateDateTime(DateTime value) | ||
| { | ||
| // Save today's date. | ||
| var today = DateTime.Today; | ||
| // Calculate the age. | ||
| var age = today.Year - value.Year; | ||
| // Go back to the year the person was born in case of a leap year | ||
| return value.AddYears(age) > today ? age-- : age; | ||
| } | ||
| } | ||
|
|
||
| class DateTimeToFirstOfMonth : AbstractDateTimeTransformation | ||
| { | ||
| protected override object EvaluateDateTime(DateTime value) => new DateTime(value.Year, value.Month, 1); | ||
| } | ||
|
|
||
| class DateTimeToFirstOfYear : AbstractDateTimeTransformation | ||
| { | ||
| protected override object EvaluateDateTime(DateTime value) => new DateTime(value.Year, 1, 1); | ||
| } | ||
|
|
||
| class DateTimeToLastOfMonth : AbstractDateTimeTransformation | ||
| { | ||
| protected override object EvaluateDateTime(DateTime value) => new DateTime(value.Year, value.Month, 1).AddMonths(1).AddDays(-1); | ||
| } | ||
|
|
||
| class DateTimeToLastOfYear : AbstractDateTimeTransformation | ||
| { | ||
| protected override object EvaluateDateTime(DateTime value) => new DateTime(value.Year, 12, 31); | ||
| } | ||
|
|
||
| class DateTimeToNextDay : AbstractDateTimeTransformation | ||
| { | ||
| protected override object EvaluateDateTime(DateTime value) => value.AddDays(1); | ||
| } | ||
|
|
||
| class DateTimeToNextMonth : AbstractDateTimeTransformation | ||
| { | ||
| protected override object EvaluateDateTime(DateTime value) => value.AddMonths(1); | ||
| } | ||
|
|
||
| class DateTimeToNextYear : AbstractDateTimeTransformation | ||
| { | ||
| protected override object EvaluateDateTime(DateTime value) => value.AddYears(1); | ||
| } | ||
|
|
||
| class DateTimeToPreviousDay : AbstractDateTimeTransformation | ||
| { | ||
| protected override object EvaluateDateTime(DateTime value) => value.AddDays(-1); | ||
| } | ||
|
|
||
| class DateTimeToPreviousMonth : AbstractDateTimeTransformation | ||
| { | ||
| protected override object EvaluateDateTime(DateTime value) => value.AddMonths(-1); | ||
| } | ||
|
|
||
| class DateTimeToPreviousYear : AbstractDateTimeTransformation | ||
| { | ||
| protected override object EvaluateDateTime(DateTime value) => value.AddYears(-1); | ||
| } | ||
|
|
||
| class DateTimeToClip : AbstractDateTimeTransformation | ||
| { | ||
| public DateTime Min { get; } | ||
| public DateTime Max { get; } | ||
|
|
||
| public DateTimeToClip(string min, string max) | ||
| { | ||
| var caster = new DateTimeCaster(); | ||
| Min = caster.Execute(min); | ||
| Max = caster.Execute(max); | ||
| } | ||
|
|
||
| protected override object EvaluateDateTime(DateTime value) => (value < Min) ? Min : (value > Max) ? Max : value; | ||
| } | ||
|
|
||
| class DateTimeToSetTime : AbstractDateTimeTransformation | ||
| { | ||
| public TimeSpan Instant { get; } | ||
|
|
||
| public DateTimeToSetTime(string instant) | ||
| { | ||
| Instant = TimeSpan.Parse(instant); | ||
| } | ||
|
|
||
| protected override object EvaluateDateTime(DateTime value) | ||
| => new DateTime(value.Year, value.Month, value.Day, Instant.Hours, Instant.Minutes, Instant.Seconds); | ||
| } | ||
|
|
||
| class NullToDate : AbstractDateTimeTransformation | ||
| { | ||
| public DateTime Default { get; } | ||
|
|
||
| public NullToDate(string dt) | ||
| { | ||
| var caster = new DateTimeCaster(); | ||
| Default = caster.Execute(dt); | ||
| } | ||
|
|
||
| protected override object EvaluateNull() => Default; | ||
| protected override object EvaluateDateTime(DateTime value) => value; | ||
| } | ||
| } |
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24 changes: 0 additions & 24 deletions
24
NBi.Core/Transformation/Transformer/Native/DateTimeToDate.cs
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