From 1a6acce77fea7fb5bd15fed7f32e86bff7965ba7 Mon Sep 17 00:00:00 2001
From: Elio Struyf <elio@struyfconsulting.be>
Date: Fri, 10 Jun 2022 10:52:10 +0200
Subject: [PATCH] #350 - New `previewPath` property for page folders

---
 CHANGELOG.md                |  1 +
 package.json                |  8 ++++++++
 src/commands/Preview.ts     | 27 +++++++++++++++++++++++++--
 src/models/ContentFolder.ts |  1 +
 4 files changed, 35 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 852aaf39..0ee07b5e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@
 - [#307](https://github.com/estruyf/vscode-front-matter/issues/307): New `list` field which allows to create a list of items
 - [#345](https://github.com/estruyf/vscode-front-matter/issues/345): Media dashboard UI improvements to visualize the content and public folders
 - [#349](https://github.com/estruyf/vscode-front-matter/issues/349): New `slug` field which allows you to manage the slug of your post from the Front Matter panel
+- [#350](https://github.com/estruyf/vscode-front-matter/issues/350): New `previewPath` property for the `frontMatter.content.pageFolders` setting. This allows you to specify a section prefix for all content created in that directory.
 - [#351](https://github.com/estruyf/vscode-front-matter/issues/351): New `template` property for content types which allows you to combine templates and content types for content creation
 
 ### 🐞 Fixes
diff --git a/package.json b/package.json
index 8a1bad70..793478bc 100644
--- a/package.json
+++ b/package.json
@@ -183,6 +183,14 @@
                 "type": "boolean",
                 "default": false,
                 "description": "Exclude sub-directories"
+              },
+              "previewPath": {
+                "type": [
+                  "null",
+                  "string"
+                ],
+                "default": null,
+                "description": "Defines a custom preview path for the folder."
               }
             },
             "additionalProperties": false,
diff --git a/src/commands/Preview.ts b/src/commands/Preview.ts
index 8dc3298f..e372a93d 100644
--- a/src/commands/Preview.ts
+++ b/src/commands/Preview.ts
@@ -3,13 +3,14 @@ import { SETTING_PREVIEW_HOST, SETTING_PREVIEW_PATHNAME, CONTEXT, TelemetryEvent
 import { ArticleHelper } from './../helpers/ArticleHelper';
 import { join } from "path";
 import { commands, env, Uri, ViewColumn, window } from "vscode";
-import { Extension, Settings } from '../helpers';
-import { PreviewSettings } from '../models';
+import { Extension, parseWinPath, Settings } from '../helpers';
+import { ContentFolder, PreviewSettings } from '../models';
 import { format } from 'date-fns';
 import { DateHelper } from '../helpers/DateHelper';
 import { Article } from '.';
 import { urlJoin } from 'url-join-ts';
 import { WebviewHelper } from '@estruyf/vscode';
+import { Folders } from './Folders';
 
 
 export class Preview {
@@ -37,6 +38,28 @@ export class Preview {
     let slug = article?.data ? article.data.slug : "";
 
     let pathname = settings.pathname;
+
+    // Check if there is a pathname defined on content folder level
+    const folders = Folders.get();
+    if (folders.length > 0) {
+      const foldersWithPath = folders.filter(folder => folder.previewPath);
+      const filePath = parseWinPath(editor?.document.uri.fsPath);
+
+      let selectedFolder: ContentFolder | null = null;
+      for (const folder of foldersWithPath) {
+        if (filePath.startsWith(folder.path)) {
+          if (!selectedFolder || selectedFolder.path.length < folder.path.length) {
+            selectedFolder = folder;
+          }
+        }
+      }
+
+      if (selectedFolder) {
+        pathname = selectedFolder.previewPath;
+      }
+    }
+
+    // Check if there is a pathname defined on content type level
     if (article?.data) {
       const contentType = ArticleHelper.getContentType(article.data);
       if (contentType && contentType.previewPath) {
diff --git a/src/models/ContentFolder.ts b/src/models/ContentFolder.ts
index 115c6713..00ec7bde 100644
--- a/src/models/ContentFolder.ts
+++ b/src/models/ContentFolder.ts
@@ -3,4 +3,5 @@ export interface ContentFolder {
   path: string;
   
   excludeSubdir?: boolean;
+  previewPath?: string;
 }
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