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message_util.go
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message_util.go
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// Copyright (c) 2021 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package healthcheck
import (
"fmt"
"strings"
)
// getUnsuccessfulDetailMessage returns a message depending on the number of
// unsuccessful and pending checks
func getUnsuccessfulDetailMessage(unsuccessfulChecks, progressingChecks int, details string) string {
if progressingChecks > 0 && unsuccessfulChecks > 0 {
return fmt.Sprintf("%d failing and %d progressing %s: %s", unsuccessfulChecks, progressingChecks, getSingularOrPlural("check", progressingChecks), details)
}
return details
}
// getSingularOrPlural returns the given verb in either singular or plural
func getSingularOrPlural(verb string, count int) string {
if count > 1 {
return fmt.Sprintf("%ss", verb)
}
return verb
}
// appendUnsuccessfulChecksDetails appends a formatted detail message to the given string builder
func (h *checkResultForConditionType) appendUnsuccessfulChecksDetails(details *strings.Builder) {
if len(h.unsuccessfulChecks) > 0 && (len(h.progressingChecks) != 0 || len(h.failedChecks) != 0) {
details.WriteString(fmt.Sprintf("Failed %s: ", getSingularOrPlural("check", len(h.unsuccessfulChecks))))
}
if len(h.unsuccessfulChecks) == 1 {
details.WriteString(fmt.Sprintf("%s ", ensureTrailingDot(h.unsuccessfulChecks[0].detail)))
return
}
for index, check := range h.unsuccessfulChecks {
details.WriteString(fmt.Sprintf("%d) %s ", index+1, ensureTrailingDot(check.detail)))
}
}
// appendProgressingChecksDetails appends a formatted detail message to the given string builder
func (h *checkResultForConditionType) appendProgressingChecksDetails(details *strings.Builder) {
if len(h.progressingChecks) > 0 && (len(h.unsuccessfulChecks) != 0 || len(h.failedChecks) != 0) {
details.WriteString(fmt.Sprintf("Progressing %s: ", getSingularOrPlural("check", len(h.progressingChecks))))
}
if len(h.progressingChecks) == 1 {
details.WriteString(fmt.Sprintf("%s ", ensureTrailingDot(h.progressingChecks[0].detail)))
return
}
for index, check := range h.progressingChecks {
details.WriteString(fmt.Sprintf("%d) %s ", index+1, ensureTrailingDot(check.detail)))
}
}
// appendFailedChecksDetails appends a formatted detail message to the given string builder
func (h *checkResultForConditionType) appendFailedChecksDetails(details *strings.Builder) {
if len(h.failedChecks) > 0 && (len(h.unsuccessfulChecks) != 0 || len(h.progressingChecks) != 0) {
details.WriteString(fmt.Sprintf("Unable to execute %s: ", getSingularOrPlural("check", len(h.failedChecks))))
}
if len(h.failedChecks) == 1 {
details.WriteString(fmt.Sprintf("%s ", ensureTrailingDot(h.failedChecks[0].Error())))
return
}
for index, check := range h.failedChecks {
details.WriteString(fmt.Sprintf("%d) %s ", index+1, ensureTrailingDot(check.Error())))
}
}
// ensureTrailingDot adds a trailing dot if it does not exist
func ensureTrailingDot(details string) string {
if !strings.HasSuffix(details, ".") {
return fmt.Sprintf("%s.", details)
}
return details
}
// trimTrailingWhitespace removes a trailing whitespace character
func trimTrailingWhitespace(details string) string {
return strings.TrimSuffix(details, " ")
}