wip: add fileCache back

server/gitea/cache.go

@@ -1,24 +1,48 @@
 package gitea
 
-import "time"
+import (
+	"net/http"
+	"time"
+)
 
 type FileResponse struct {
-	Exists   bool
-	ETag     []byte
-	MimeType string
-	Body     []byte
+	Exists    bool
+	IsSymlink bool
+	ETag      string
+	MimeType  string
+	Body      []byte
 }
 
 func (f FileResponse) IsEmpty() bool {
 	return len(f.Body) != 0
 }
 
+func (f FileResponse) createHttpResponse() *http.Response {
+	resp := &http.Response{
+		Header: make(http.Header),
+	}
+
+	if f.Exists {
+		resp.StatusCode = http.StatusOK
+	} else {
+		resp.StatusCode = http.StatusNotFound
+	}
+
+	if f.IsSymlink {
+		resp.Header.Set(giteaObjectTypeHeader, objTypeSymlink)
+	}
+	resp.Header.Set(eTagHeader, f.ETag)
+	resp.Header.Set(contentTypeHeader, f.MimeType)
+
+	return resp
+}
+
 type BranchTimestamp struct {
 	Branch    string
 	Timestamp time.Time
 }
 
-var (
+const (
 	// defaultBranchCacheTimeout specifies the timeout for the default branch cache. It can be quite long.
 	defaultBranchCacheTimeout = 15 * time.Minute
 
@@ -30,8 +54,8 @@ var (
 	// fileCacheTimeout specifies the timeout for the file content cache - you might want to make this quite long, depending
 	// on your available memory.
 	// TODO: move as option into cache interface
-	// fileCacheTimeout = 5 * time.Minute
+	fileCacheTimeout = 5 * time.Minute
 
 	// fileCacheSizeLimit limits the maximum file size that will be cached, and is set to 1 MB by default.
-	// fileCacheSizeLimit = 1024 * 1024
+	fileCacheSizeLimit = int64(1024 * 1024)
 )