feat(admin): multi-select with shift+drag for common bulk operations

1 files changed, 70 insertions, 27 deletions

diff --git a/internal/admin/undo.go b/internal/admin/undo.go
index 4c39ec6..53af942 100644
--- a/internal/admin/undo.go
+++ b/internal/admin/undo.go
@@ -11,9 +11,12 @@ import (
 )
 
 type ExtraFile struct {
-	FilePath   string `json:"file_path"`
-	OldContent []byte `json:"-"`
-	NewContent []byte `json:"-"`
+	FilePath    string `json:"file_path"`
+	OldContent  []byte `json:"-"`
+	NewContent  []byte `json:"-"`
+	NewFilePath string `json:"new_file_path,omitempty"`
+	IsDelete    bool   `json:"is_delete,omitempty"`
+	IsCreate    bool   `json:"is_create,omitempty"`
 }
 
 type ChangeDesc struct {
@@ -140,14 +143,12 @@ func (us *UndoStack) applyUndo(c ChangeDesc) error {
 			}
 		}
 		for _, ef := range c.ExtraFiles {
-			os.MkdirAll(filepath.Dir(ef.FilePath), 0755)
-			os.WriteFile(ef.FilePath, ef.OldContent, 0644)
+			applyUndoExtraFile(ef)
 		}
 	} else if c.IsCreate {
 		os.Remove(c.FilePath)
 		for _, ef := range c.ExtraFiles {
-			os.MkdirAll(filepath.Dir(ef.FilePath), 0755)
-			os.WriteFile(ef.FilePath, ef.OldContent, 0644)
+			applyUndoExtraFile(ef)
 		}
 	} else {
 		target := c.FilePath
@@ -160,8 +161,7 @@ func (us *UndoStack) applyUndo(c ChangeDesc) error {
 			return fmt.Errorf("revert %s: %w", target, err)
 		}
 		for _, ef := range c.ExtraFiles {
-			os.MkdirAll(filepath.Dir(ef.FilePath), 0755)
-			os.WriteFile(ef.FilePath, ef.OldContent, 0644)
+			applyUndoExtraFile(ef)
 		}
 	}
 	return nil
@@ -181,14 +181,12 @@ func (us *UndoStack) applyRedo(c ChangeDesc) error {
 			return fmt.Errorf("recreate %s: %w", target, err)
 		}
 		for _, ef := range c.ExtraFiles {
-			os.MkdirAll(filepath.Dir(ef.FilePath), 0755)
-			os.WriteFile(ef.FilePath, ef.NewContent, 0644)
+			applyRedoExtraFile(ef)
 		}
 	} else if c.IsDelete {
 		os.Remove(c.FilePath)
 		for _, ef := range c.ExtraFiles {
-			os.MkdirAll(filepath.Dir(ef.FilePath), 0755)
-			os.WriteFile(ef.FilePath, ef.NewContent, 0644)
+			applyRedoExtraFile(ef)
 		}
 	} else {
 		target := c.FilePath
@@ -201,13 +199,46 @@ func (us *UndoStack) applyRedo(c ChangeDesc) error {
 			return fmt.Errorf("reapply %s: %w", target, err)
 		}
 		for _, ef := range c.ExtraFiles {
-			os.MkdirAll(filepath.Dir(ef.FilePath), 0755)
-			os.WriteFile(ef.FilePath, ef.NewContent, 0644)
+			applyRedoExtraFile(ef)
 		}
 	}
 	return nil
 }
 
+func applyUndoExtraFile(ef ExtraFile) {
+	switch {
+	case ef.IsCreate:
+		os.Remove(ef.FilePath)
+	case ef.IsDelete:
+		os.MkdirAll(filepath.Dir(ef.FilePath), 0755)
+		os.WriteFile(ef.FilePath, ef.OldContent, 0644)
+	case ef.NewFilePath != "":
+		os.Remove(ef.NewFilePath)
+		os.MkdirAll(filepath.Dir(ef.FilePath), 0755)
+		os.WriteFile(ef.FilePath, ef.OldContent, 0644)
+	default:
+		os.MkdirAll(filepath.Dir(ef.FilePath), 0755)
+		os.WriteFile(ef.FilePath, ef.OldContent, 0644)
+	}
+}
+
+func applyRedoExtraFile(ef ExtraFile) {
+	switch {
+	case ef.IsDelete:
+		os.Remove(ef.FilePath)
+	case ef.IsCreate:
+		os.MkdirAll(filepath.Dir(ef.FilePath), 0755)
+		os.WriteFile(ef.FilePath, ef.NewContent, 0644)
+	case ef.NewFilePath != "":
+		os.Remove(ef.FilePath)
+		os.MkdirAll(filepath.Dir(ef.NewFilePath), 0755)
+		os.WriteFile(ef.NewFilePath, ef.NewContent, 0644)
+	default:
+		os.MkdirAll(filepath.Dir(ef.FilePath), 0755)
+		os.WriteFile(ef.FilePath, ef.NewContent, 0644)
+	}
+}
+
 func (us *UndoStack) Info() UndoInfo {
 	us.mu.Lock()
 	defer us.mu.Unlock()
@@ -228,9 +259,12 @@ func (us *UndoStack) Info() UndoInfo {
 
 func (us *UndoStack) save() {
 	type extraEntry struct {
-		FilePath   string `json:"file_path"`
-		OldContent string `json:"old_content"`
-		NewContent string `json:"new_content"`
+		FilePath    string `json:"file_path"`
+		NewFilePath string `json:"new_file_path,omitempty"`
+		OldContent  string `json:"old_content"`
+		NewContent  string `json:"new_content"`
+		IsDelete    bool   `json:"is_delete,omitempty"`
+		IsCreate    bool   `json:"is_create,omitempty"`
 	}
 	type entry struct {
 		Time        string       `json:"time"`
@@ -253,9 +287,12 @@ func (us *UndoStack) save() {
 			var extra []extraEntry
 			for _, ef := range c.ExtraFiles {
 				extra = append(extra, extraEntry{
-					FilePath:   ef.FilePath,
-					OldContent: string(ef.OldContent),
-					NewContent: string(ef.NewContent),
+					FilePath:    ef.FilePath,
+					NewFilePath: ef.NewFilePath,
+					OldContent:  string(ef.OldContent),
+					NewContent:  string(ef.NewContent),
+					IsDelete:    ef.IsDelete,
+					IsCreate:    ef.IsCreate,
 				})
 			}
 			entries = append(entries, entry{
@@ -293,9 +330,12 @@ func (us *UndoStack) load() {
 	}
 	log.Printf("undo: loaded history from %s", us.filePath)
 	type extraEntry struct {
-		FilePath   string `json:"file_path"`
-		OldContent string `json:"old_content"`
-		NewContent string `json:"new_content"`
+		FilePath    string `json:"file_path"`
+		NewFilePath string `json:"new_file_path,omitempty"`
+		OldContent  string `json:"old_content"`
+		NewContent  string `json:"new_content"`
+		IsDelete    bool   `json:"is_delete,omitempty"`
+		IsCreate    bool   `json:"is_create,omitempty"`
 	}
 	type entry struct {
 		Time        string       `json:"time"`
@@ -322,9 +362,12 @@ func (us *UndoStack) load() {
 			var extra []ExtraFile
 			for _, ef := range e.ExtraFiles {
 				extra = append(extra, ExtraFile{
-					FilePath:   ef.FilePath,
-					OldContent: []byte(ef.OldContent),
-					NewContent: []byte(ef.NewContent),
+					FilePath:    ef.FilePath,
+					NewFilePath: ef.NewFilePath,
+					OldContent:  []byte(ef.OldContent),
+					NewContent:  []byte(ef.NewContent),
+					IsDelete:    ef.IsDelete,
+					IsCreate:    ef.IsCreate,
 				})
 			}
 			changes = append(changes, ChangeDesc{