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helper.go
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helper.go
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//
// DISCLAIMER
//
// Copyright 2023 ArangoDB GmbH, Cologne, Germany
//
// 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.
//
// Copyright holder is ArangoDB GmbH, Cologne, Germany
//
package v1
// KeyValuePairList is a strong typed list of KeyValuePair
type KeyValuePairList []*KeyValuePair
// GetValue gets the value for the requested key or nil if it doesn't exist
func (list KeyValuePairList) GetValue(key string) *string {
for _, kv := range list {
if kv.GetKey() == key {
v := kv.GetValue()
return &v
}
}
return nil
}
// UpsertPair update or insert the given value for the requested key
// Returns inserted (otherwise updated)
func (list *KeyValuePairList) UpsertPair(key, value string) bool {
if list == nil {
return false
}
for _, kv := range *list {
if kv.GetKey() == key {
kv.Value = value
return false
}
}
*list = append(*list, &KeyValuePair{
Key: key,
Value: value,
})
return true
}
// RemovePairByKey removes all entries with the provided key and assigns the new list
// Returns removed, otherwise unmodified
func (list *KeyValuePairList) RemovePairByKey(key string) bool {
if list == nil {
return false
}
removed := false
remaining := make(KeyValuePairList, 0, len(*list))
for _, kv := range *list {
if kv.GetKey() != key {
remaining = append(remaining, kv)
} else {
removed = true
}
}
*list = remaining
return removed
}