1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
package validation
import "context"
// When returns a validation rule that executes the given list of rules when the condition is true.
func When(condition bool, rules ...Rule) WhenRule {
return WhenRule{
condition: condition,
rules: rules,
elseRules: []Rule{},
}
}
// WhenRule is a validation rule that executes the given list of rules when the condition is true.
type WhenRule struct {
condition bool
rules []Rule
elseRules []Rule
}
// Validate checks if the condition is true and if so, it validates the value using the specified rules.
func (r WhenRule) Validate(value interface{}) error {
return r.ValidateWithContext(nil, value)
}
// ValidateWithContext checks if the condition is true and if so, it validates the value using the specified rules.
func (r WhenRule) ValidateWithContext(ctx context.Context, value interface{}) error {
if r.condition {
if ctx == nil {
return Validate(value, r.rules...)
} else {
return ValidateWithContext(ctx, value, r.rules...)
}
}
if ctx == nil {
return Validate(value, r.elseRules...)
} else {
return ValidateWithContext(ctx, value, r.elseRules...)
}
}
// Else returns a validation rule that executes the given list of rules when the condition is false.
func (r WhenRule) Else(rules ...Rule) WhenRule {
r.elseRules = rules
return r
}
|
