mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-29 12:32:06 -05:00
137 lines
4.2 KiB
Go
137 lines
4.2 KiB
Go
// Copyright 2019 The Hugo Authors. 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 resources
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"io"
|
|
"path"
|
|
"path/filepath"
|
|
"strings"
|
|
"sync"
|
|
|
|
"github.com/gohugoio/hugo/resources/resource"
|
|
|
|
"github.com/gohugoio/hugo/cache/dynacache"
|
|
"github.com/gohugoio/hugo/cache/filecache"
|
|
)
|
|
|
|
func newResourceCache(rs *Spec, memCache *dynacache.Cache) *ResourceCache {
|
|
return &ResourceCache{
|
|
fileCache: rs.FileCaches.AssetsCache(),
|
|
cacheResource: dynacache.GetOrCreatePartition[string, resource.Resource](
|
|
memCache,
|
|
"/res1",
|
|
dynacache.OptionsPartition{ClearWhen: dynacache.ClearOnChange, Weight: 40},
|
|
),
|
|
CacheResourceRemote: dynacache.GetOrCreatePartition[string, resource.Resource](
|
|
memCache,
|
|
"/resr",
|
|
dynacache.OptionsPartition{ClearWhen: dynacache.ClearOnChange, Weight: 40},
|
|
),
|
|
cacheResources: dynacache.GetOrCreatePartition[string, resource.Resources](
|
|
memCache,
|
|
"/ress",
|
|
dynacache.OptionsPartition{ClearWhen: dynacache.ClearOnRebuild, Weight: 40},
|
|
),
|
|
cacheResourceTransformation: dynacache.GetOrCreatePartition[string, *resourceAdapterInner](
|
|
memCache,
|
|
"/res1/tra",
|
|
dynacache.OptionsPartition{ClearWhen: dynacache.ClearOnChange, Weight: 40},
|
|
),
|
|
}
|
|
}
|
|
|
|
type ResourceCache struct {
|
|
sync.RWMutex
|
|
|
|
cacheResource *dynacache.Partition[string, resource.Resource]
|
|
CacheResourceRemote *dynacache.Partition[string, resource.Resource]
|
|
cacheResources *dynacache.Partition[string, resource.Resources]
|
|
cacheResourceTransformation *dynacache.Partition[string, *resourceAdapterInner]
|
|
|
|
fileCache *filecache.Cache
|
|
}
|
|
|
|
func (c *ResourceCache) cleanKey(key string) string {
|
|
return strings.TrimPrefix(path.Clean(strings.ToLower(filepath.ToSlash(key))), "/")
|
|
}
|
|
|
|
func (c *ResourceCache) Get(ctx context.Context, key string) (resource.Resource, bool) {
|
|
return c.cacheResource.Get(ctx, key)
|
|
}
|
|
|
|
func (c *ResourceCache) GetOrCreate(key string, f func() (resource.Resource, error)) (resource.Resource, error) {
|
|
return c.cacheResource.GetOrCreate(key, func(key string) (resource.Resource, error) {
|
|
return f()
|
|
})
|
|
}
|
|
|
|
func (c *ResourceCache) GetOrCreateResources(key string, f func() (resource.Resources, error)) (resource.Resources, error) {
|
|
return c.cacheResources.GetOrCreate(key, func(key string) (resource.Resources, error) {
|
|
return f()
|
|
})
|
|
}
|
|
|
|
func (c *ResourceCache) getFilenames(key string) (string, string) {
|
|
filenameMeta := key + ".json"
|
|
filenameContent := key + ".content"
|
|
|
|
return filenameMeta, filenameContent
|
|
}
|
|
|
|
func (c *ResourceCache) getFromFile(key string) (filecache.ItemInfo, io.ReadCloser, transformedResourceMetadata, bool) {
|
|
c.RLock()
|
|
defer c.RUnlock()
|
|
|
|
var meta transformedResourceMetadata
|
|
filenameMeta, filenameContent := c.getFilenames(key)
|
|
|
|
_, jsonContent, _ := c.fileCache.GetBytes(filenameMeta)
|
|
if jsonContent == nil {
|
|
return filecache.ItemInfo{}, nil, meta, false
|
|
}
|
|
|
|
if err := json.Unmarshal(jsonContent, &meta); err != nil {
|
|
return filecache.ItemInfo{}, nil, meta, false
|
|
}
|
|
|
|
fi, rc, _ := c.fileCache.Get(filenameContent)
|
|
|
|
return fi, rc, meta, rc != nil
|
|
}
|
|
|
|
// writeMeta writes the metadata to file and returns a writer for the content part.
|
|
func (c *ResourceCache) writeMeta(key string, meta transformedResourceMetadata) (filecache.ItemInfo, io.WriteCloser, error) {
|
|
filenameMeta, filenameContent := c.getFilenames(key)
|
|
raw, err := json.Marshal(meta)
|
|
if err != nil {
|
|
return filecache.ItemInfo{}, nil, err
|
|
}
|
|
|
|
_, fm, err := c.fileCache.WriteCloser(filenameMeta)
|
|
if err != nil {
|
|
return filecache.ItemInfo{}, nil, err
|
|
}
|
|
defer fm.Close()
|
|
|
|
if _, err := fm.Write(raw); err != nil {
|
|
return filecache.ItemInfo{}, nil, err
|
|
}
|
|
|
|
fi, fc, err := c.fileCache.WriteCloser(filenameContent)
|
|
|
|
return fi, fc, err
|
|
}
|