goveal/internal/app/rendering/markdown.go

53 lines
1.3 KiB
Go
Raw Normal View History

// Copyright © 2019 Peter Kurfer peter.kurfer@googlemail.com
//
// 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 rendering
import (
"fmt"
"net/http"
"os"
"path"
)
type MarkdownHandler interface {
http.Handler
}
func NewMarkdownHandler(markdownPath string) (handler MarkdownHandler, err error) {
var info os.FileInfo
info, err = os.Stat(markdownPath)
if err != nil {
return
}
if info.IsDir() || path.Ext(info.Name()) != ".md" {
err = fmt.Errorf("path %s did not pass sanity checks for markdown files", markdownPath)
return
}
handler = &markdownHandler{
markdownPath: markdownPath,
}
return
}
type markdownHandler struct {
markdownPath string
}
func (handler *markdownHandler) ServeHTTP(response http.ResponseWriter, request *http.Request) {
http.ServeFile(response, request, handler.markdownPath)
}