mirror of
https://github.com/openimsdk/open-im-server.git
synced 2025-11-06 13:22:11 +08:00
59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
// Copyright © 2023 OpenIM. All rights reserved.
|
|
//
|
|
// 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 servererrs
|
|
|
|
import "github.com/openimsdk/tools/errs"
|
|
|
|
var Relation = &relation{m: make(map[int]map[int]struct{})}
|
|
|
|
func init() {
|
|
Relation.Add(errs.RecordNotFoundError, UserIDNotFoundError)
|
|
Relation.Add(errs.RecordNotFoundError, GroupIDNotFoundError)
|
|
Relation.Add(errs.DuplicateKeyError, GroupIDExisted)
|
|
}
|
|
|
|
type relation struct {
|
|
m map[int]map[int]struct{}
|
|
}
|
|
|
|
func (r *relation) Add(codes ...int) {
|
|
if len(codes) < 2 {
|
|
panic("codes length must be greater than 2")
|
|
}
|
|
for i := 1; i < len(codes); i++ {
|
|
parent := codes[i-1]
|
|
s, ok := r.m[parent]
|
|
if !ok {
|
|
s = make(map[int]struct{})
|
|
r.m[parent] = s
|
|
}
|
|
for _, code := range codes[i:] {
|
|
s[code] = struct{}{}
|
|
}
|
|
}
|
|
}
|
|
|
|
func (r *relation) Is(parent, child int) bool {
|
|
if parent == child {
|
|
return true
|
|
}
|
|
s, ok := r.m[parent]
|
|
if !ok {
|
|
return false
|
|
}
|
|
_, ok = s[child]
|
|
return ok
|
|
}
|