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remote_provider.go
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remote_provider.go
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// Copyright 2020-2021 Buf Technologies, Inc.
//
// 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 netconfig
import (
"fmt"
"sort"
)
type remoteProvider struct {
addressToRemote map[string]Remote
}
func newRemoteProvider(externalRemotes []ExternalRemote) (*remoteProvider, error) {
addressToRemote := make(map[string]Remote, len(externalRemotes))
for _, externalRemote := range externalRemotes {
remote, err := newRemote(
externalRemote.Address,
externalRemote.Login.Token,
)
if err != nil {
return nil, err
}
if _, ok := addressToRemote[remote.Address()]; ok {
return nil, fmt.Errorf("remote address %s is specified more than once", remote.Address())
}
addressToRemote[remote.Address()] = remote
}
return newRemoteProviderInternal(addressToRemote), nil
}
func newRemoteProviderInternal(addressToRemote map[string]Remote) *remoteProvider {
return &remoteProvider{
addressToRemote: addressToRemote,
}
}
func (r *remoteProvider) GetRemote(address string) (Remote, bool) {
remote, ok := r.addressToRemote[address]
return remote, ok
}
func (r *remoteProvider) WithUpdatedRemote(address string, updatedToken string) (RemoteProvider, error) {
updatedRemote, err := newRemote(
address,
updatedToken,
)
if err != nil {
return nil, err
}
newAddressToRemote := map[string]Remote{
address: updatedRemote,
}
for curAddress, curRemote := range r.addressToRemote {
if curAddress != address {
newAddressToRemote[curAddress] = curRemote
}
}
return newRemoteProviderInternal(newAddressToRemote), nil
}
func (r *remoteProvider) WithoutRemote(address string) (RemoteProvider, bool) {
found := false
newAddressToRemote := make(map[string]Remote, len(r.addressToRemote))
for curAddress, curRemote := range r.addressToRemote {
if curAddress == address {
found = true
} else {
newAddressToRemote[curAddress] = curRemote
}
}
if !found {
return r, false
}
return newRemoteProviderInternal(newAddressToRemote), true
}
func (r *remoteProvider) ToExternalRemotes() []ExternalRemote {
externalRemotes := make([]ExternalRemote, 0, len(r.addressToRemote))
for _, remote := range r.addressToRemote {
externalRemotes = append(externalRemotes, remote.toExternalRemote())
}
sort.Slice(
externalRemotes,
func(i int, j int) bool {
return externalRemotes[i].Address < externalRemotes[j].Address
},
)
return externalRemotes
}