added support to custom index page

Author: erikaheidi

src/StaticBuilder.php

@@ -61,10 +61,27 @@ public function buildPaginatedIndex(): void
             $this->saveFile($pageOutputDir . '/index.html', $this->getListingPage($i, $pages, $contentList));
         }
 
-        $pageOne = $this->outputPath . '/page/1/index.html';
-        if (is_file($pageOne)) {
-            copy($pageOne, $this->outputPath . '/index.html');
+        $indexPage = $this->getIndexPage();
+        $this->saveFile($this->outputPath . '/index.html', $indexPage);
+    }
+
+    public function getIndexPage(): string
+    {
+        $indexPage = null;
+
+        if ($this->siteConfig->site_index !== null) {
+            $page = $this->contentProvider->fetch($this->siteConfig->site_index);
+            $indexPage = $this->getSinglePage($page);
         }
+
+        if ($indexPage === null) {
+            $pageOne = $this->outputPath . '/page/1/index.html';
+            if (is_file($pageOne)) {
+                $indexPage = file_get_contents($this->outputPath . '/page/1/index.html');
+            }
+        }
+
+        return $indexPage;
     }
 
     public function buildPaginatedTagPage(string $tag): void

tests/Pest.php

@@ -86,3 +86,18 @@ function getDefaultAppConfig(): array
     ];
 }
 
+function getCustomIndexPageApp(): App
+{
+    $config = getDefaultAppConfig();
+    $config['site_index'] = 'posts/test0';
+
+    $app = new App($config);
+    $app->addService('builder', new StaticBuilder());
+    $app->addService('twig', new TwigServiceProvider());
+    $app->addService('librarian', new LibrarianServiceProvider());
+    $app->addService('content', new ContentServiceProvider());
+    $app->librarian->boot();
+
+    return $app;
+}
+

tests/Unit/StaticBuilderTest.php

@@ -34,6 +34,15 @@
         ->and(is_dir($builder->outputPath . '/posts/page'))->toBeTrue();
 });
 
+test('StaticBuilder builds custom index page', function () {
+    $app = getCustomIndexPageApp();
+    $app->builder->buildPaginatedIndex();
+    expect(is_file($app->builder->outputPath . '/index.html'))->toBeTrue();
+
+    $content = file_get_contents($app->builder->outputPath . '/index.html');
+    expect($content)->toMatch("/template single/");
+});
+
 test('StaticBuilder builds paginated tag pages', function () {
     /** @var StaticBuilder $builder */
     $builder = $this->app->builder;