forked from ebhomengo/niki
48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
package validation
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import "context"
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// When returns a validation rule that executes the given list of rules when the condition is true.
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func When(condition bool, rules ...Rule) WhenRule {
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return WhenRule{
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condition: condition,
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rules: rules,
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elseRules: []Rule{},
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}
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}
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// WhenRule is a validation rule that executes the given list of rules when the condition is true.
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type WhenRule struct {
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condition bool
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rules []Rule
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elseRules []Rule
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}
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// Validate checks if the condition is true and if so, it validates the value using the specified rules.
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func (r WhenRule) Validate(value interface{}) error {
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return r.ValidateWithContext(nil, value)
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}
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// ValidateWithContext checks if the condition is true and if so, it validates the value using the specified rules.
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func (r WhenRule) ValidateWithContext(ctx context.Context, value interface{}) error {
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if r.condition {
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if ctx == nil {
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return Validate(value, r.rules...)
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} else {
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return ValidateWithContext(ctx, value, r.rules...)
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}
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}
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if ctx == nil {
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return Validate(value, r.elseRules...)
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} else {
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return ValidateWithContext(ctx, value, r.elseRules...)
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}
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}
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// Else returns a validation rule that executes the given list of rules when the condition is false.
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func (r WhenRule) Else(rules ...Rule) WhenRule {
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r.elseRules = rules
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return r
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}
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