94 lines
2.6 KiB
Go
94 lines
2.6 KiB
Go
package validators
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import (
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"context"
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"fmt"
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"github.com/filipowm/terraform-provider-unifi/internal/provider/types"
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"strings"
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"time"
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"github.com/hashicorp/terraform-plugin-framework-validators/helpers/validatordiag"
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"github.com/hashicorp/terraform-plugin-framework/schema/validator"
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)
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// Timezone returns a validator which ensures that the string value is a valid IANA timezone identifier
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// according to the time.LoadLocation function.
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func Timezone() validator.String {
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return timezoneValidator{}
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}
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type timezoneValidator struct{}
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func (v timezoneValidator) Description(_ context.Context) string {
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return "must be a valid IANA timezone identifier (e.g., 'America/New_York')"
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}
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func (v timezoneValidator) MarkdownDescription(ctx context.Context) string {
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return v.Description(ctx)
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}
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func (v timezoneValidator) ValidateString(ctx context.Context, req validator.StringRequest, resp *validator.StringResponse) {
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value := req.ConfigValue
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if !types.IsDefined(value) {
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return
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}
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val := value.ValueString()
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// Check for empty string
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if val == "" {
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resp.Diagnostics.Append(
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validatordiag.InvalidAttributeValueDiagnostic(
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req.Path,
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v.Description(ctx),
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"Timezone cannot be empty. Use a valid IANA timezone identifier like 'America/New_York'",
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),
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)
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return
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}
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// Check for proper case (IANA timezone identifiers are case-sensitive)
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// Regions should start with uppercase
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if val[0] >= 'a' && val[0] <= 'z' {
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resp.Diagnostics.Append(
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validatordiag.InvalidAttributeValueDiagnostic(
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req.Path,
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v.Description(ctx),
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fmt.Sprintf("%q has incorrect case. IANA timezone regions should start with uppercase (e.g., 'America/New_York')", val),
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),
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)
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return
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}
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// Try to load the timezone location
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_, err := time.LoadLocation(val)
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if err != nil {
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// For better error messages, check common mistakes
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if strings.Contains(val, "UTC") && val != "UTC" {
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resp.Diagnostics.Append(
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validatordiag.InvalidAttributeValueDiagnostic(
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req.Path,
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v.Description(ctx),
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fmt.Sprintf("%q is not a valid timezone. For UTC offset use the standard 'UTC' timezone instead.", val),
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),
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)
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} else if strings.Contains(val, " ") {
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resp.Diagnostics.Append(
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validatordiag.InvalidAttributeValueDiagnostic(
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req.Path,
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v.Description(ctx),
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fmt.Sprintf("%q is not a valid timezone. Timezones should not contain spaces.", val),
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),
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)
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} else {
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resp.Diagnostics.Append(
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validatordiag.InvalidAttributeValueDiagnostic(
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req.Path,
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v.Description(ctx),
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fmt.Sprintf("%q is not a valid IANA timezone identifier. Use a value like 'America/New_York'", val),
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),
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)
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}
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}
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}
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