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constraint.DatetimeLessThanOrEqual
marrow16 edited this page Jan 21, 2023
·
5 revisions
Check that a date/time (as an ISO string) value is less than or equal to a specified value
Note: this constraint is strict - if either of the compared values is not a valid ISO datetime then this constraint fails
dtlte
Field | Type | Description |
---|---|---|
Value |
string | the value to compare against (a string representation of date or datetime in ISO format) |
ExcTime |
bool | when set to true, excludes the time when comparing. Note: This also excludes the effect of any timezone offsets specified in either of the compared values |
Message |
string | the violation message to be used if the constraint fails. If empty, the default message is used |
Stop |
bool | when set to true, Stop prevents further validation checks on the property if this constraint fails |
Programmatic example...
package main
import (
"fmt"
"github.com/marrow16/valix"
)
func main() {
validator := &valix.Validator{
Properties: valix.Properties{
"foo": {
Type: valix.JsonDatetime,
Constraints: valix.Constraints{
&valix.DatetimeLessThanOrEqual{
Value: "2022-09-09",
ExcTime: true,
},
},
},
},
}
obj := `{"foo": "2022-09-10"}`
ok, violations, _ := validator.ValidateString(obj)
fmt.Printf("Passed? %v\n", ok)
for i, v := range violations {
fmt.Printf("Violation[%d] Message: %s, Property: %s, Path: %s\n", i+1, v.Message, v.Property, v.Path)
}
obj = `{"foo": "2022-09-08"}`
ok, violations, _ = validator.ValidateString(obj)
fmt.Printf("Passed? %v\n", ok)
for i, v := range violations {
fmt.Printf("Violation[%d] Message: %s, Property: %s, Path: %s\n", i+1, v.Message, v.Property, v.Path)
}
obj = `{"foo": "2022-09-09"}`
ok, violations, _ = validator.ValidateString(obj)
fmt.Printf("Passed? %v\n", ok)
for i, v := range violations {
fmt.Printf("Violation[%d] Message: %s, Property: %s, Path: %s\n", i+1, v.Message, v.Property, v.Path)
}
}
Struct v8n tag example...
package main
import (
"fmt"
"time"
"github.com/marrow16/valix"
)
type MyStruct struct {
Foo *time.Time `json:"foo" v8n:"&dtlte{Value:'2022-09-09', ExcTime: true}"`
}
var validator = valix.MustCompileValidatorFor(MyStruct{}, nil)
func main() {
obj := `{"foo": "2022-09-10"}`
ok, violations, _ := validator.ValidateString(obj)
fmt.Printf("Passed? %v\n", ok)
for i, v := range violations {
fmt.Printf("Violation[%d] Message: %s, Property: %s, Path: %s\n", i+1, v.Message, v.Property, v.Path)
}
obj = `{"foo": "2022-09-08"}`
ok, violations, _ = validator.ValidateString(obj)
fmt.Printf("Passed? %v\n", ok)
for i, v := range violations {
fmt.Printf("Violation[%d] Message: %s, Property: %s, Path: %s\n", i+1, v.Message, v.Property, v.Path)
}
obj = `{"foo": "2022-09-09"}`
ok, violations, _ = validator.ValidateString(obj)
fmt.Printf("Passed? %v\n", ok)
for i, v := range violations {
fmt.Printf("Violation[%d] Message: %s, Property: %s, Path: %s\n", i+1, v.Message, v.Property, v.Path)
}
}