chore: improve RSS feed generation time

7 files changed, 46 insertions, 15 deletions

diff --git a/src/pages/atom.xml.tsx b/src/pages/atom.xml.tsx
index e6908bd..79813d1 100644
--- a/src/pages/atom.xml.tsx
+++ b/src/pages/atom.xml.tsx
@@ -7,6 +7,10 @@ export const getServerSideProps: GetServerSideProps = async ({ res }) => {
   const feed = await generateFeed();
 
   if (res) {
+    res.setHeader(
+      'Cache-Control',
+      'public, s-maxage=600, stale-while-revalidate=59'
+    );
     res.setHeader('Content-Type', 'text/xml');
     res.write(`${feed.atom1()}`);
     res.end();
diff --git a/src/pages/feed.json.tsx b/src/pages/feed.json.tsx
index e113b46..9b2e510 100644
--- a/src/pages/feed.json.tsx
+++ b/src/pages/feed.json.tsx
@@ -7,6 +7,10 @@ export const getServerSideProps: GetServerSideProps = async ({ res }) => {
   const feed = await generateFeed();
 
   if (res) {
+    res.setHeader(
+      'Cache-Control',
+      'public, s-maxage=600, stale-while-revalidate=59'
+    );
     res.setHeader('Content-Type', 'application/json');
     res.write(`${feed.json1()}`);
     res.end();
diff --git a/src/pages/feed.xml.tsx b/src/pages/feed.xml.tsx
index 093cab8..24209ac 100644
--- a/src/pages/feed.xml.tsx
+++ b/src/pages/feed.xml.tsx
@@ -7,6 +7,10 @@ export const getServerSideProps: GetServerSideProps = async ({ res }) => {
   const feed = await generateFeed();
 
   if (res) {
+    res.setHeader(
+      'Cache-Control',
+      'public, s-maxage=600, stale-while-revalidate=59'
+    );
     res.setHeader('Content-Type', 'text/xml');
     res.write(`${feed.rss2()}`);
     res.end();
diff --git a/src/services/graphql/queries.ts b/src/services/graphql/queries.ts
index 0817cf6..a9b3141 100644
--- a/src/services/graphql/queries.ts
+++ b/src/services/graphql/queries.ts
@@ -1,5 +1,5 @@
 import { Slug } from '@ts/types/app';
-import { Article, PostBy } from '@ts/types/articles';
+import { Article, PostBy, TotalArticles } from '@ts/types/articles';
 import { AllPostsSlug, PostsList, RawPostsList } from '@ts/types/blog';
 import {
   AllTopics,
@@ -26,6 +26,21 @@ import { fetchApi } from './api';
 // Posts list queries
 //==============================================================================
 
+export const getPostsTotal = async (): Promise<number> => {
+  const query = gql`
+    query PostsTotal {
+      posts {
+        pageInfo {
+          total
+        }
+      }
+    }
+  `;
+
+  const response = await fetchApi<TotalArticles>(query, null);
+  return response.posts.pageInfo.total;
+};
+
 export const getPublishedPosts = async ({
   first = 10,
   after = '',
diff --git a/src/ts/types/app.ts b/src/ts/types/app.ts
index 2c9a291..3edc8a0 100644
--- a/src/ts/types/app.ts
+++ b/src/ts/types/app.ts
@@ -1,7 +1,7 @@
 import { NextPage } from 'next';
 import { AppProps } from 'next/app';
 import { ReactElement, ReactNode } from 'react';
-import { PostBy } from './articles';
+import { PostBy, TotalArticles } from './articles';
 import { AllPostsSlug, RawPostsList } from './blog';
 import { CommentData, CreateComment } from './comments';
 import { ContactData, SendEmail } from './contact';
@@ -48,10 +48,11 @@ export type RequestType =
   | AllThematicsSlug
   | CreateComment
   | PostBy
-  | TopicBy
-  | ThematicBy
   | RawPostsList
-  | SendEmail;
+  | SendEmail
+  | ThematicBy
+  | TopicBy
+  | TotalArticles;
 
 //==============================================================================
 // Globals
diff --git a/src/ts/types/articles.ts b/src/ts/types/articles.ts
index 5281e7e..75e5a1a 100644
--- a/src/ts/types/articles.ts
+++ b/src/ts/types/articles.ts
@@ -93,3 +93,11 @@ export type PostBy = {
 export type ArticleProps = {
   post: Article;
 };
+
+export type TotalArticles = {
+  posts: {
+    pageInfo: {
+      total: number;
+    };
+  };
+};
diff --git a/src/utils/helpers/rss.ts b/src/utils/helpers/rss.ts
index 305c6e7..8a1c801 100644
--- a/src/utils/helpers/rss.ts
+++ b/src/utils/helpers/rss.ts
@@ -1,20 +1,15 @@
-import { getPublishedPosts } from '@services/graphql/queries';
+import { getPostsTotal, getPublishedPosts } from '@services/graphql/queries';
 import { ArticlePreview } from '@ts/types/articles';
 import { PostsList } from '@ts/types/blog';
 import { settings } from '@utils/config';
 import { Feed } from 'feed';
 
 const getAllPosts = async (): Promise<ArticlePreview[]> => {
+  const totalPosts = await getPostsTotal();
   const posts: ArticlePreview[] = [];
-  let hasNextPage = true;
-  let after = undefined;
-
-  do {
-    const postsList: PostsList = await getPublishedPosts({ first: 10, after });
-    posts.push(...postsList.posts);
-    hasNextPage = postsList.pageInfo.hasNextPage;
-    after = postsList.pageInfo.endCursor;
-  } while (hasNextPage);
+
+  const postsList: PostsList = await getPublishedPosts({ first: totalPosts });
+  posts.push(...postsList.posts);
 
   return posts;
 };