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|
package service
import (
"context"
"io/fs"
"net/url"
"path"
"strings"
"git.sr.ht/~gabrielgio/img/pkg/database/repository"
"git.sr.ht/~gabrielgio/img/pkg/list"
)
type (
FileSystemController struct {
fsRepository repository.FileSystemRepository
userRepository repository.UserRepository
}
DirectoryParam struct {
Name string
UrlEncodedPath string
}
FileParam struct {
UrlEncodedPath string
Info fs.FileInfo
}
Page struct {
History []*DirectoryParam
Files []*FileParam
}
)
func NewFileSystemController(
fsRepository repository.FileSystemRepository,
userRepository repository.UserRepository,
) *FileSystemController {
return &FileSystemController{
fsRepository: fsRepository,
userRepository: userRepository,
}
}
func getHistory(filepath string) []*DirectoryParam {
var (
paths = strings.Split(filepath, "/")
result = make([]*DirectoryParam, 0, len(paths))
acc = ""
)
// add root folder
result = append(result, &DirectoryParam{
Name: "...",
UrlEncodedPath: "",
})
if len(paths) == 1 && paths[0] == "" {
return result
}
for _, p := range paths {
acc = path.Join(acc, p)
result = append(result, &DirectoryParam{
Name: p,
UrlEncodedPath: url.QueryEscape(acc),
})
}
return result
}
func (self *FileSystemController) GetPage(ctx context.Context, userID uint, filepath string) (*Page, error) {
userPath, err := self.userRepository.GetPathFromUserID(ctx, userID)
if err != nil {
return nil, err
}
decodedPath, err := url.QueryUnescape(filepath)
if err != nil {
return nil, err
}
fullPath := path.Join(userPath, decodedPath)
files, err := self.fsRepository.List(fullPath)
if err != nil {
return nil, err
}
params := list.Map(files, func(info fs.FileInfo) *FileParam {
fullPath := path.Join(fullPath, info.Name())
scapedFullPath := url.QueryEscape(fullPath)
return &FileParam{
Info: info,
UrlEncodedPath: scapedFullPath,
}
})
return &Page{
Files: params,
History: getHistory(decodedPath),
}, nil
}
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