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/**
* A helper for the GraphQL API.
*
* @param {String} query - The query to fetch for
* @param {Object} param1.variables - The variables to pass to the query
* @param {Object} param1.preview - Indicate if the query should be previewed
* @returns {Promise} - A promise that resolves to the result of the query
*/
async function fetchAPI(query, { variables } = { variables: null }) {
const res = await fetch(
process.env.NEXT_PUBLIC_DOTCMS_HOST + "/api/v1/graphql",
{
method: "POST",
headers: {
"Content-Type": "application/json",
Authorization: `Bearer ${process.env.DOTCMS_TOKEN}`,
},
body: JSON.stringify({
query,
variables,
}),
},
);
const json = await res.json();
if (json.errors) {
console.error(json.errors);
throw new Error("Failed to fetch API");
}
return json.data;
}
/**
* Get the correct type to filter post using preview flag
*
* @param preview
* @returns {string}
*/
const showPreviewPosts = (preview) => {
return preview === true
? "+working:true +deleted:false"
: "+live:true +deleted:false";
};
/**
* Fetch a single post and more posts
*
* @param {String} slug - The slug of the post to fetch
* @param {boolean} preview - Whether or not to fetch the live post
* @returns An object with a post and more posts array
*/
export async function getPostAndMorePosts(slug, preview) {
const data = await fetchAPI(
`
query PostBySlug($query: String!, $morePostsQuery: String!) {
post: BlogCollection(query: $query, limit: 1) {
title
urlTitle
blogContent {
json
}
postingDate
image {
idPath
}
author {
firstName
lastName
profilePhoto {
idPath
}
}
}
morePosts: BlogCollection(query: $morePostsQuery, limit: 2) {
title
urlTitle
teaser
postingDate
image {
idPath
}
author {
firstName
lastName
profilePhoto {
idPath
}
}
}
}
`,
{
variables: {
query: `+urlmap:/blog/post/${slug} ${showPreviewPosts(preview)}`,
morePostsQuery: `-urlmap:/blog/post/${slug} ${showPreviewPosts(
preview,
)}`,
},
},
);
return {
post: data?.post[0] ?? {},
morePosts: data?.morePosts ?? [],
};
}
/**
* Fetch one post and more post with preview mode flag.
*
* @param slug
* @param isPreview
* @returns {Promise<{post, morePosts}>}
*/
export async function getPreviewPostBySlug(slug, isPreview) {
return await getPostAndMorePosts(slug, isPreview);
}
/**
* Fetch all posts with slug
*
* @returns An array of posts with the following shape:
* {
* urlTitle: string
* }
*/
export async function getAllPostsWithSlug() {
const entries = await fetchAPI(`
query getAllPostsWithSlug {
BlogCollection(query: "+live:true +deleted:false") {
urlTitle
}
}
`);
return entries?.BlogCollection ?? [];
}
/**
* Fetch all posts
*
* @param {boolean} preview - If true, return a preview of the post
* @returns An array of posts
*/
export async function getAllPostsForHome(preview) {
const entries = await fetchAPI(
`
query getAllPostsForHome($query: String!) {
BlogCollection(query: $query) {
title
teaser
postingDate
author {
firstName
lastName
profilePhoto {
idPath
}
}
urlTitle
image {
idPath
}
}
}
`,
{
variables: {
query: `${showPreviewPosts(preview)}`,
},
},
);
return entries?.BlogCollection ?? [];
}
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