#841 - enable placeholders in file prefixes

CHANGELOG.md

@@ -8,6 +8,7 @@
 
 - [#833](https://github.com/estruyf/vscode-front-matter/issues/833): Added support for Asciidoc files
 - [#834](https://github.com/estruyf/vscode-front-matter/issues/834): Added the ability to create new data files for a data folder
+- [#841](https://github.com/estruyf/vscode-front-matter/issues/841): Enable placeholders for file prefixes
 - [#846](https://github.com/estruyf/vscode-front-matter/issues/846): Added GitHub Copilot action for title field
 
 ### 🐞 Fixes

package.json

@@ -2020,7 +2020,7 @@
         },
         "frontMatter.templates.prefix": {
           "type": "string",
-          "default": "yyyy-MM-dd",
+          "default": "{{date|yyyy-MM-dd}}",
           "markdownDescription": "%setting.frontMatter.templates.prefix.markdownDescription%",
           "scope": "Templates"
         },

src/commands/Article.ts

@@ -202,16 +202,20 @@ export class Article {
       return;
     }
 
+    const titleField = getTitleField();
+    const articleTitle: string = article.data[titleField];
+    const articleDate = await ArticleHelper.getDate(article);
+
     let filePrefix = Settings.get<string>(SETTING_TEMPLATES_PREFIX);
     const contentType = await ArticleHelper.getContentType(article);
     filePrefix = await ArticleHelper.getFilePrefix(
       filePrefix,
       editor.document.uri.fsPath,
-      contentType
+      contentType,
+      articleTitle,
+      articleDate
     );
 
-    const titleField = getTitleField();
-    const articleTitle: string = article.data[titleField];
     const slugInfo = Article.generateSlug(articleTitle, article, contentType.slugTemplate);
 
     if (

src/commands/Preview.ts

@@ -310,7 +310,7 @@ export class Preview {
 
       try {
         const articleDate = await ArticleHelper.getDate(article);
-        pathname = processDateTimePlaceholders(pathname, dateFormat, articleDate);
+        pathname = processDateTimePlaceholders(pathname, articleDate);
         slug = join(pathname, slug);
       } catch (error) {
         slug = join(pathname, slug);

src/helpers/ArticleHelper.ts

@@ -31,6 +31,8 @@ import {
   isValidFile,
   parseWinPath,
   processArticlePlaceholdersFromPath,
+  processDateTimePlaceholders,
+  processI18nPlaceholders,
   processTimePlaceholders
 } from '.';
 import { format, parse } from 'date-fns';
@@ -39,8 +41,7 @@ import { Article } from '../commands';
 import { dirname, join, parse as parseFile } from 'path';
 import { EditorHelper } from '@estruyf/vscode';
 import sanitize from '../helpers/Sanitize';
-import { Field, ContentType as IContentType } from '../models';
-import { DateHelper } from './DateHelper';
+import { ContentFolder, Field, ContentType as IContentType } from '../models';
 import { DiagnosticSeverity, Position, window, Range } from 'vscode';
 import { DEFAULT_FILE_TYPES } from '../constants/DefaultFileTypes';
 import { fromMarkdown } from 'mdast-util-from-markdown';
@@ -534,7 +535,13 @@ export class ArticleHelper {
     const fileType = Settings.get<string>(SETTING_CONTENT_DEFAULT_FILETYPE);
 
     let prefix = Settings.get<string>(SETTING_TEMPLATES_PREFIX);
-    prefix = await ArticleHelper.getFilePrefix(prefix, folderPath, contentType);
+    prefix = await ArticleHelper.getFilePrefix(
+      prefix,
+      folderPath,
+      contentType,
+      titleValue,
+      new Date()
+    );
 
     // Name of the file or folder to create
     let sanitizedName = ArticleHelper.sanitize(titleValue);
@@ -596,12 +603,19 @@ export class ArticleHelper {
   public static async getFilePrefix(
     prefix: string | null | undefined,
     filePath?: string,
-    contentType?: IContentType
+    contentType?: IContentType,
+    title?: string,
+    articleDate?: Date
   ): Promise<string | undefined> {
     if (!prefix) {
       prefix = undefined;
     }
 
+    // Replace the default date format
+    if (prefix === 'yyyy-MM-dd') {
+      prefix = '{{date|yyyy-MM-dd}}';
+    }
+
     // Retrieve the file prefix from the folder
     if (filePath) {
       const filePrefixOnFolder = await Folders.getFilePrefixBeFilePath(filePath);
@@ -615,9 +629,26 @@ export class ArticleHelper {
       prefix = contentType.filePrefix;
     }
 
-    // Process the prefix date formatting
     if (prefix && typeof prefix === 'string') {
-      prefix = `${format(new Date(), DateHelper.formatUpdate(prefix) as string)}`;
+      prefix = await ArticleHelper.processCustomPlaceholders(prefix, title, filePath, true);
+
+      let selectedFolder: ContentFolder | undefined | null = null;
+      if (filePath) {
+        // Get the folder of the article by the file path
+        selectedFolder = await Folders.getPageFolderByFilePath(filePath);
+
+        if (!selectedFolder && contentType) {
+          selectedFolder = await Folders.getFolderByContentType(contentType, filePath);
+        }
+
+        if (selectedFolder) {
+          prefix = processI18nPlaceholders(prefix, selectedFolder);
+        }
+      }
+
+      const dateFormat = Settings.get(SETTING_DATE_FORMAT) as string;
+      prefix = processTimePlaceholders(prefix, dateFormat);
+      prefix = processDateTimePlaceholders(prefix, articleDate);
     }
 
     return prefix;
@@ -667,7 +698,8 @@ export class ArticleHelper {
   public static async processCustomPlaceholders(
     value: string,
     title: string | undefined,
-    filePath: string | undefined
+    filePath: string | undefined,
+    skipFileCheck = false
   ) {
     if (value && typeof value === 'string') {
       const dateFormat = Settings.get(SETTING_DATE_FORMAT) as string;
@@ -711,7 +743,7 @@ export class ArticleHelper {
               let updatedValue = placeHolderValue;
 
               // Check if the file already exists, during creation it might not exist yet
-              if (filePath && (await existsAsync(filePath))) {
+              if (filePath && (await existsAsync(filePath)) && !skipFileCheck) {
                 updatedValue = await processArticlePlaceholdersFromPath(placeHolderValue, filePath);
               }
 

src/helpers/processDateTimePlaceholders.ts

@@ -8,11 +8,7 @@ import { DateHelper } from './DateHelper';
  * @param articleDate
  * @returns
  */
-export const processDateTimePlaceholders = (
-  value: string,
-  dateFormat?: string,
-  articleDate?: Date
-) => {
+export const processDateTimePlaceholders = (value: string, articleDate?: Date) => {
   if (value && typeof value === 'string') {
     if (value.includes(`{{date|`)) {
       const regex = /{{date\|[^}]*}}/g;