Start refactoring to make code cleaner

fileinfo.go

@@ -1,13 +1,17 @@
 package filemanager
 
 import (
+	"net/http"
+	"net/url"
 	"os"
+	"path/filepath"
+	"strings"
 	"time"
 
 	"github.com/dustin/go-humanize"
 )
 
-// FileInfo is the info about a particular file or directory
+// FileInfo is the information about a particular file or directory
 type FileInfo struct {
 	IsDir   bool
 	Name    string
@@ -15,6 +19,36 @@ type FileInfo struct {
 	URL     string
 	ModTime time.Time
 	Mode    os.FileMode
+	Path    string
+}
+
+// GetFileInfo gets the file information and, in case of error, returns the
+// respective HTTP error code
+func GetFileInfo(url *url.URL, c *Config) (*FileInfo, int, error) {
+	var err error
+
+	path := strings.Replace(url.Path, c.BaseURL, c.PathScope, 1)
+	path = filepath.Clean(path)
+
+	file := &FileInfo{Path: path}
+	f, err := c.Root.Open(path)
+	if err != nil {
+		return file, ErrorToHTTPCode(err), err
+	}
+	defer f.Close()
+
+	info, err := f.Stat()
+	if err != nil {
+		return file, ErrorToHTTPCode(err), err
+	}
+
+	file.IsDir = info.IsDir()
+	file.ModTime = info.ModTime()
+	file.Name = info.Name()
+	file.Size = info.Size()
+	file.URL = url.Path
+
+	return file, 0, nil
 }
 
 // HumanSize returns the size of the file as a human-readable string
@@ -27,3 +61,21 @@ func (fi FileInfo) HumanSize() string {
 func (fi FileInfo) HumanModTime(format string) string {
 	return fi.ModTime.Format(format)
 }
+
+// Delete handles the delete requests
+func (fi FileInfo) Delete() (int, error) {
+	var err error
+
+	// If it's a directory remove all the contents inside
+	if fi.IsDir {
+		err = os.RemoveAll(fi.Path)
+	} else {
+		err = os.Remove(fi.Path)
+	}
+
+	if err != nil {
+		return ErrorToHTTPCode(err), err
+	}
+
+	return http.StatusOK, nil
+}