Add validator lib

Signed-off-by: Bryan Frimin <bryan@getprobo.com>
2025-11-03 08:19:09 +01:00
parent 288c59a5f2
commit f9216d30b2
102 changed files with 7409 additions and 1068 deletions
--- a/pkg/validator/validator_time.go
+++ b/pkg/validator/validator_time.go
@@ -0,0 +1,208 @@
+// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package validator
+
+import (
+	"fmt"
+	"time"
+)
+
+// After validates that a time is after the specified reference time.
+// The reference time can be either time.Time or *time.Time.
+func After(t any) ValidatorFunc {
+	return func(value any) *ValidationError {
+		// Extract the reference time
+		refValue, refIsNil := dereferenceValue(t)
+		if refIsNil {
+			return nil // No reference time to compare against
+		}
+
+		refTime, ok := refValue.(time.Time)
+		if !ok {
+			return newValidationError(ErrorCodeInvalidFormat, "reference time must be time.Time")
+		}
+
+		// Extract the value being validated
+		actualValue, isNil := dereferenceValue(value)
+		if isNil {
+			return nil
+		}
+
+		timeVal, ok := actualValue.(time.Time)
+		if !ok {
+			return newValidationError(ErrorCodeInvalidFormat, "value must be a time.Time")
+		}
+
+		if !timeVal.After(refTime) {
+			return newValidationError(
+				ErrorCodeOutOfRange,
+				fmt.Sprintf("must be after %s", refTime.Format(time.RFC3339)),
+			)
+		}
+
+		return nil
+	}
+}
+
+// Before validates that a time is before the specified reference time.
+// The reference time can be either time.Time or *time.Time.
+func Before(t any) ValidatorFunc {
+	return func(value any) *ValidationError {
+		// Extract the reference time
+		refValue, refIsNil := dereferenceValue(t)
+		if refIsNil {
+			return nil // No reference time to compare against
+		}
+
+		refTime, ok := refValue.(time.Time)
+		if !ok {
+			return newValidationError(ErrorCodeInvalidFormat, "reference time must be time.Time")
+		}
+
+		// Extract the value being validated
+		actualValue, isNil := dereferenceValue(value)
+		if isNil {
+			return nil
+		}
+
+		timeVal, ok := actualValue.(time.Time)
+		if !ok {
+			return newValidationError(ErrorCodeInvalidFormat, "value must be a time.Time")
+		}
+
+		if !timeVal.Before(refTime) {
+			return newValidationError(
+				ErrorCodeOutOfRange,
+				fmt.Sprintf("must be before %s", refTime.Format(time.RFC3339)),
+			)
+		}
+
+		return nil
+	}
+}
+
+// FutureDate validates that a time is in the future.
+func FutureDate() ValidatorFunc {
+	return func(value any) *ValidationError {
+		actualValue, isNil := dereferenceValue(value)
+		if isNil {
+			return nil
+		}
+
+		timeVal, ok := actualValue.(time.Time)
+		if !ok {
+			return newValidationError(ErrorCodeInvalidFormat, "value must be a time.Time")
+		}
+
+		if !timeVal.After(time.Now()) {
+			return newValidationError(ErrorCodeOutOfRange, "must be a future date")
+		}
+
+		return nil
+	}
+}
+
+// PastDate validates that a time is in the past.
+func PastDate() ValidatorFunc {
+	return func(value any) *ValidationError {
+		actualValue, isNil := dereferenceValue(value)
+		if isNil {
+			return nil
+		}
+
+		timeVal, ok := actualValue.(time.Time)
+		if !ok {
+			return newValidationError(ErrorCodeInvalidFormat, "value must be a time.Time")
+		}
+
+		if !timeVal.Before(time.Now()) {
+			return newValidationError(ErrorCodeOutOfRange, "must be a past date")
+		}
+
+		return nil
+	}
+}
+
+// MinDuration validates that a duration is at least the specified minimum value.
+func MinDuration(min time.Duration) ValidatorFunc {
+	return func(value any) *ValidationError {
+		actualValue, isNil := dereferenceValue(value)
+		if isNil {
+			return nil
+		}
+
+		duration, ok := actualValue.(time.Duration)
+		if !ok {
+			return newValidationError(ErrorCodeInvalidFormat, "value must be a time.Duration")
+		}
+
+		if duration < min {
+			return newValidationError(
+				ErrorCodeOutOfRange,
+				fmt.Sprintf("must be at least %s", min),
+			)
+		}
+
+		return nil
+	}
+}
+
+// MaxDuration validates that a duration does not exceed the specified maximum value.
+func MaxDuration(max time.Duration) ValidatorFunc {
+	return func(value any) *ValidationError {
+		actualValue, isNil := dereferenceValue(value)
+		if isNil {
+			return nil
+		}
+
+		duration, ok := actualValue.(time.Duration)
+		if !ok {
+			return newValidationError(ErrorCodeInvalidFormat, "value must be a time.Duration")
+		}
+
+		if duration > max {
+			return newValidationError(
+				ErrorCodeOutOfRange,
+				fmt.Sprintf("must be at most %s", max),
+			)
+		}
+
+		return nil
+	}
+}
+
+// RangeDuration validates that a duration is within the specified range (inclusive).
+func RangeDuration(min, max time.Duration) ValidatorFunc {
+	return func(value any) *ValidationError {
+		actualValue, isNil := dereferenceValue(value)
+		if isNil {
+			return nil
+		}
+
+		duration, ok := actualValue.(time.Duration)
+		if !ok {
+			return newValidationError(ErrorCodeInvalidFormat, "value must be a time.Duration")
+		}
+
+		if duration < min || duration > max {
+			return newValidationError(
+				ErrorCodeOutOfRange,
+				fmt.Sprintf("must be between %s and %s", min, max),
+			)
+		}
+
+		return nil
+	}
+}