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user-groups.go
97 lines (85 loc) · 2.1 KB
/
user-groups.go
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// Copyright (c) 2023 The Go-Enjin Authors
//
// 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 feature
import (
"strings"
)
// Groups are the collection of one or more groups
type Groups []Group
func NewGroupsFromStringNL(newlines string) (groups Groups) {
groups = groups.AppendString(strings.Split(newlines, "\n")...)
return
}
func NewGroupsFromStrings(slice ...string) (groups Groups) {
groups = groups.AppendString(slice...)
return
}
func (g Groups) Len() int {
return len(g)
}
func (g Groups) String() (s string) {
for idx, group := range g {
if idx > 0 {
s += " "
}
s += group.String()
}
return
}
func (g Groups) Has(group Group) (present bool) {
for _, gg := range g {
if present = gg == group; present {
return
}
}
return
}
func (g Groups) Remove(groups ...Group) (modified Groups) {
remove := Groups(groups)
for _, maybeKeep := range g {
if !remove.Has(maybeKeep) {
modified = append(modified, maybeKeep)
}
}
return
}
func (g Groups) Append(groups ...Group) (modified Groups) {
modified = append(modified, g...)
for _, group := range groups {
if group != "" && !g.Has(group) {
modified = append(modified, group)
}
}
return
}
func (g Groups) AppendString(names ...string) (modified Groups) {
modified = append(modified, g...)
for _, name := range names {
if name != "" {
if namedGroup := NewGroup(name); !modified.Has(namedGroup) {
modified = append(modified, namedGroup)
}
}
}
return
}
func (g Groups) AsNewlines() (newlines string) {
for idx, group := range g {
if idx > 0 {
newlines += "\n"
}
newlines += group.String()
}
return
}