From fce34a4f0e7e6b46c55cea96e82e8b0e06b819da Mon Sep 17 00:00:00 2001
From: bingryan <41174435+bingryan@users.noreply.github.com>
Date: Fri, 5 May 2023 22:51:52 +0800
Subject: [PATCH] feat: add toggle for backup exist (#45)

* feat: add toggle for backup exist
---
 src/config.ts   |  2 ++
 src/export.ts   | 23 +++++++++++++++++------
 src/settings.ts | 15 ++++++++++++++-
 3 files changed, 33 insertions(+), 7 deletions(-)

diff --git a/src/config.ts b/src/config.ts
index bcc8ecc..1416896 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -6,6 +6,7 @@ export const IBOOK_SNAPSHOTS = '~/Library/Containers/com.apple.iBooksX/Data/Docu
 export interface IbookPluginSettings {
 	output: string;
 	notExportNoAnnotation: boolean;
+	backupWhenExist: boolean;
 	template: string;
 
 }
@@ -49,5 +50,6 @@ tags:
 export const DEFAULT_SETTINGS: IbookPluginSettings = {
 	output: 'ibook',
 	notExportNoAnnotation: true,
+	backupWhenExist: true,
 	template: defaultTemplate
 };
diff --git a/src/export.ts b/src/export.ts
index 8000274..b69aa91 100644
--- a/src/export.ts
+++ b/src/export.ts
@@ -2,11 +2,11 @@ import { Annotation } from "@/types";
 import { getAllBookId, getBookById, getAnnotationBookId } from "@/api/ibook";
 import { IbookPluginSettings } from "@/config";
 import { Renderer } from "@/renderer";
-import { htmlToMarkdown } from "obsidian";
+import { htmlToMarkdown, normalizePath } from "obsidian";
 
 import IbookPlugin from "@/plugin";
 import * as path from "path";
-import { tryCreateFolder, removeTags,htmlDecode } from "@/utils/misc";
+import { tryCreateFolder, removeTags, htmlDecode } from "@/utils/misc";
 
 export interface IExport {
 	all(): void;
@@ -57,9 +57,9 @@ export class IBookExport implements IExport {
 				renderData.library.ZBOOKDESCRIPTION
 			);
 		}
-		
+
 		/// fix: #36
-		if (renderData.library.ZTITLE !== null) { 
+		if (renderData.library.ZTITLE !== null) {
 			renderData.library.ZTITLE = htmlDecode(
 				renderData.library.ZTITLE
 			);
@@ -94,10 +94,21 @@ export class IBookExport implements IExport {
 		};
 	}
 
-	save(contentName: string, content: string) {
+	async save(contentName: string, content: string) {
+		const fileName = `${contentName}`
+			.replace(/:/g, '-')
+			.replace(/(\r\n|\n|\r|\/|\\\\)/gm, "-")
 		try {
+			const filePath = normalizePath(path.join(this.plugin.settings.output, `${fileName}.md`));
+			const isExist = await this.plugin.app.vault.adapter.exists(filePath);
+			if (this.plugin.settings.backupWhenExist && isExist) {
+				// backup file if file already exists
+				// issue: #44
+				const backupPath = normalizePath(path.join(this.plugin.settings.output, `${fileName}-bk-${Date.now()}.md`));
+				this.plugin.app.vault.adapter.rename(filePath, backupPath);
+			}
 			this.plugin.app.vault.create(
-				path.join(this.plugin.settings.output, `${contentName}.md`),
+				path.join(this.plugin.settings.output, `${fileName}.md`),
 				content
 			);
 		} catch (error) {
diff --git a/src/settings.ts b/src/settings.ts
index 2f68cbf..75d62c8 100644
--- a/src/settings.ts
+++ b/src/settings.ts
@@ -49,8 +49,21 @@ export class IbookSettingTab extends PluginSettingTab {
 						this.plugin.settings.notExportNoAnnotation = value;
 						await this.plugin.saveSettings();
 					})
-		);
+			);
 
+		new Setting(containerEl)
+			.setName("backup old export markdown when exist")
+			.setDesc(
+				"if a export book with the same name is found, the previous export markdown will be backed up: bookname.md -> bookname.bk.time.md"
+			)
+			.addToggle((toggle) =>
+				toggle
+					.setValue(this.plugin.settings.backupWhenExist)
+					.onChange(async (value: boolean) => {
+						this.plugin.settings.backupWhenExist = value;
+						await this.plugin.saveSettings();
+					})
+			);
 		new Setting(containerEl)
 			.setName('template')
 			.setClass("ibook-template-item")