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  1// SPDX-FileCopyrightText: 2026 Romain Maneschi <romain@gitroot.dev>
  2//
  3// SPDX-License-Identifier: MIT
  4
  5package model
  6
  7import (
  8	"fmt"
  9	"io/fs"
 10	"os"
 11)
 12
 13type FsBase string
 14
 15const (
 16	FS_BASE_WORKTREE   = FsBase("worktree")
 17	FS_BASE_WEBCONTENT = FsBase("webcontent")
 18	FS_BASE_CACHE      = FsBase("cache")
 19)
 20
 21type GrFs struct {
 22	base   FsBase
 23	server ServerNeeded
 24	fs     fs.FS
 25}
 26
 27type ServerNeeded interface {
 28	WriteContent(fromFs FsBase, filepath, content string) error
 29	ReplaceContent(fromFs FsBase, filepath string, oldContent string, content string) error
 30	CopyFile(fromFs FsBase, fromPath string, toFs FsBase, toPath string) error
 31	DeleteFile(fromFs FsBase, filename string) error
 32	MoveFile(fromFs FsBase, fromPath string, toFs FsBase, toPath string) error
 33}
 34
 35func NewGrFs(base FsBase, server ServerNeeded) *GrFs {
 36	return &GrFs{
 37		base:   base,
 38		server: server,
 39		fs:     os.DirFS(fmt.Sprintf("/%s", base)),
 40	}
 41}
 42
 43func NewGrFsWithFs(base FsBase, server ServerNeeded, origFs fs.FS) *GrFs {
 44	return &GrFs{
 45		base:   base,
 46		server: server,
 47		fs:     origFs,
 48	}
 49}
 50
 51// Implements all os.DirFS methods
 52
 53func (g *GrFs) Open(name string) (fs.File, error) {
 54	return g.fs.Open(name)
 55}
 56
 57func (g *GrFs) ReadFile(name string) ([]byte, error) {
 58	return fs.ReadFile(g.fs, name)
 59}
 60
 61func (g *GrFs) ReadDir(name string) ([]fs.DirEntry, error) {
 62	return fs.ReadDir(g.fs, name)
 63}
 64
 65func (g *GrFs) Stat(name string) (fs.FileInfo, error) {
 66	return fs.Stat(g.fs, name)
 67}
 68
 69func (g *GrFs) Lstat(name string) (fs.FileInfo, error) {
 70	return fs.Lstat(g.fs, name)
 71}
 72
 73func (g *GrFs) ReadLink(name string) (string, error) {
 74	return fs.ReadLink(g.fs, name)
 75}
 76
 77// Personnal methods
 78func (g *GrFs) WriteContent(filepath, content string) error {
 79	return g.server.WriteContent(g.base, filepath, content)
 80}
 81
 82func (g *GrFs) ReplaceContent(filepath string, oldContent string, content string) error {
 83	return g.server.ReplaceContent(g.base, filepath, oldContent, content)
 84}
 85
 86func (g *GrFs) CopyFile(fromPath string, toPath string) error {
 87	return g.server.CopyFile(g.base, fromPath, g.base, toPath)
 88}
 89
 90func (g *GrFs) CopyFileToFs(fromPath string, toFs *GrFs, toPath string) error {
 91	return g.server.CopyFile(g.base, fromPath, toFs.base, toPath)
 92}
 93
 94func (g *GrFs) DeleteFile(filename string) error {
 95	return g.server.DeleteFile(g.base, filename)
 96}
 97
 98func (g *GrFs) MoveFile(fromPath string, toPath string) error {
 99	return g.server.MoveFile(g.base, fromPath, g.base, toPath)
100}
101
102func (g *GrFs) MoveFileToFs(fromPath string, toFs *GrFs, toPath string) error {
103	return g.server.MoveFile(g.base, fromPath, toFs.base, toPath)
104}