From 53b63ac27c2275262db9a04be02210a3287aa71d Mon Sep 17 00:00:00 2001
From: Armand Philippot <git@armandphilippot.com>
Date: Fri, 1 Dec 2023 19:34:58 +0100
Subject: refactor(pages): refine Blog pages

* replace usePostsList with useArticlesList to keep names coherent
* remove useIsMounted hook
* rewrite useRedirection hook
* add redirect in getStaticProps to avoid unecessary fetching
* move Pagination component in a noscript tag
* use hooks to refresh thematics and topics lists
* complete Cypress tests
---
 .../hooks/use-articles-list/use-articles-list.ts   | 86 ++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 src/utils/hooks/use-articles-list/use-articles-list.ts

(limited to 'src/utils/hooks/use-articles-list/use-articles-list.ts')

diff --git a/src/utils/hooks/use-articles-list/use-articles-list.ts b/src/utils/hooks/use-articles-list/use-articles-list.ts
new file mode 100644
index 0000000..8a52702
--- /dev/null
+++ b/src/utils/hooks/use-articles-list/use-articles-list.ts
@@ -0,0 +1,86 @@
+import { useCallback, useState } from 'react';
+import {
+  convertPostPreviewToArticlePreview,
+  fetchPostsList,
+} from '../../../services/graphql';
+import type {
+  ArticlePreview,
+  GraphQLConnection,
+  GraphQLEdge,
+  Maybe,
+  WPPostPreview,
+} from '../../../types';
+import {
+  type UsePaginationConfig,
+  usePagination,
+  type UsePaginationReturn,
+} from '../use-pagination';
+
+export type useArticlesListReturn = Omit<
+  UsePaginationReturn<WPPostPreview>,
+  'data'
+> & {
+  /**
+   * The articles list.
+   */
+  articles: Maybe<GraphQLConnection<ArticlePreview>[]>;
+  /**
+   * The index of the first new result when loading more posts.
+   */
+  firstNewResultIndex: Maybe<number>;
+};
+
+export const useArticlesList = (
+  config: Omit<UsePaginationConfig<WPPostPreview>, 'fetcher'>
+): useArticlesListReturn => {
+  const {
+    data,
+    error,
+    hasNextPage,
+    isEmpty,
+    isError,
+    isLoading,
+    isLoadingMore,
+    isRefreshing,
+    isValidating,
+    loadMore,
+    size,
+  } = usePagination({ ...config, fetcher: fetchPostsList });
+  const [firstNewResultIndex, setFirstNewResultIndex] =
+    useState<Maybe<number>>(undefined);
+
+  const handleLoadMore = useCallback(async () => {
+    setFirstNewResultIndex(size * config.perPage + 1);
+
+    await loadMore();
+  }, [config.perPage, loadMore, size]);
+
+  const articles: Maybe<GraphQLConnection<ArticlePreview>[]> = data?.map(
+    ({ edges, pageInfo }): GraphQLConnection<ArticlePreview> => {
+      return {
+        edges: edges.map((edge): GraphQLEdge<ArticlePreview> => {
+          return {
+            cursor: edge.cursor,
+            node: convertPostPreviewToArticlePreview(edge.node),
+          };
+        }),
+        pageInfo,
+      };
+    }
+  );
+
+  return {
+    articles,
+    error,
+    firstNewResultIndex,
+    hasNextPage,
+    isEmpty,
+    isError,
+    isLoading,
+    isLoadingMore,
+    isRefreshing,
+    isValidating,
+    loadMore: handleLoadMore,
+    size,
+  };
+};
-- 
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