mirror of https://github.com/harness/drone.git
76 lines
2.1 KiB
Go
76 lines
2.1 KiB
Go
// Copyright 2023 Harness, 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 cache
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"github.com/harness/gitness/app/paths"
|
|
"github.com/harness/gitness/app/store"
|
|
"github.com/harness/gitness/cache"
|
|
"github.com/harness/gitness/types"
|
|
)
|
|
|
|
// pathCacheGetter is used to hook a spacePathStore as source of a PathCache.
|
|
// IMPORTANT: It assumes that the pathCache already transformed the key.
|
|
type pathCacheGetter struct {
|
|
spacePathStore store.SpacePathStore
|
|
}
|
|
|
|
func New(
|
|
pathStore store.SpacePathStore,
|
|
spacePathTransformation store.SpacePathTransformation,
|
|
) store.SpacePathCache {
|
|
return &pathCache{
|
|
inner: cache.New[string, *types.SpacePath](
|
|
&pathCacheGetter{
|
|
spacePathStore: pathStore,
|
|
},
|
|
1*time.Minute),
|
|
spacePathTransformation: spacePathTransformation,
|
|
}
|
|
}
|
|
|
|
func (g *pathCacheGetter) Find(ctx context.Context, key string) (*types.SpacePath, error) {
|
|
path, err := g.spacePathStore.FindByPath(ctx, key)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return path, nil
|
|
}
|
|
|
|
// pathCache is a decorator of a Cache required to handle path transformations.
|
|
type pathCache struct {
|
|
inner cache.Cache[string, *types.SpacePath]
|
|
spacePathTransformation store.SpacePathTransformation
|
|
}
|
|
|
|
func (c *pathCache) Get(ctx context.Context, key string) (*types.SpacePath, error) {
|
|
// build unique key from provided value
|
|
segments := paths.Segments(key)
|
|
uniqueKey := ""
|
|
for i, segment := range segments {
|
|
uniqueKey = paths.Concatenate(uniqueKey, c.spacePathTransformation(segment, i == 0))
|
|
}
|
|
|
|
return c.inner.Get(ctx, uniqueKey)
|
|
}
|
|
|
|
func (c *pathCache) Stats() (int64, int64) {
|
|
return c.inner.Stats()
|
|
}
|