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import { type Article, type ArticleCard, type Slug } from '@ts/types/app';
import { GraphQLEdgesInput, GraphQLPageInfo } from '@ts/types/graphql/generics';
import { EdgesResponse, EndCursorResponse } from '@ts/types/graphql/queries';
import {
type RawArticle,
type RawArticlePreview,
type TotalItems,
} from '@ts/types/raw-data';
import { getAuthorFromRawData } from '@utils/helpers/author';
import { getImageFromRawData } from '@utils/helpers/images';
import { getPageLinkFromRawData } from '@utils/helpers/pages';
import { fetchAPI } from './api';
import {
articleBySlugQuery,
articlesCardQuery,
articlesEndCursorQuery,
articlesQuery,
articlesSlugQuery,
totalArticlesQuery,
} from './articles.query';
/**
* Retrieve the total number of articles.
*
* @returns {Promise<number>} - The articles total number.
*/
export const getTotalArticles = async (search?: string): Promise<number> => {
const response = await fetchAPI<TotalItems, typeof totalArticlesQuery>({
query: totalArticlesQuery,
variables: { search },
});
return response.posts.pageInfo.total;
};
export type GetArticlesReturn = {
articles: Article[];
pageInfo: GraphQLPageInfo;
};
/**
* Convert raw data to an Article object.
*
* @param {RawArticle} data - The page raw data.
* @returns {Article} The page data.
*/
export const getArticleFromRawData = (data: RawArticle): Article => {
const {
acfPosts,
author,
commentCount,
contentParts,
databaseId,
date,
featuredImage,
info,
modified,
slug,
title,
seo,
} = data;
return {
content: contentParts.afterMore,
id: databaseId,
intro: contentParts.beforeMore,
meta: {
author: author && getAuthorFromRawData(author.node, 'page'),
commentsCount: commentCount || 0,
cover: featuredImage?.node
? getImageFromRawData(featuredImage.node)
: undefined,
dates: { publication: date, update: modified },
seo: {
description: seo?.metaDesc || '',
title: seo?.title || '',
},
thematics: acfPosts.postsInThematic?.map((thematic) =>
getPageLinkFromRawData(thematic, 'thematic')
),
topics: acfPosts.postsInTopic?.map((topic) =>
getPageLinkFromRawData(topic, 'topic')
),
wordsCount: info.wordsCount,
},
slug,
title,
};
};
/**
* Retrieve the given number of articles from API.
*
* @param {GraphQLEdgesInput} props - An object of GraphQL variables.
* @returns {Promise<EdgesResponse<RawArticle>>} The articles data.
*/
export const getArticles = async (
props: GraphQLEdgesInput
): Promise<EdgesResponse<RawArticle>> => {
const response = await fetchAPI<RawArticle, typeof articlesQuery>({
query: articlesQuery,
variables: { ...props },
});
return response.posts;
};
/**
* Convert a raw article preview to an article card.
*
* @param {RawArticlePreview} data - A raw article preview.
* @returns {ArticleCard} An article card.
*/
const getArticleCardFromRawData = (data: RawArticlePreview): ArticleCard => {
const { databaseId, date, featuredImage, slug, title } = data;
return {
cover: featuredImage ? getImageFromRawData(featuredImage.node) : undefined,
dates: { publication: date },
id: databaseId,
slug,
title,
};
};
/**
* Retrieve the given number of article cards from API.
*
* @param {GraphQLEdgesInput} obj - An object.
* @param {number} obj.first - The number of articles.
* @returns {Promise<ArticleCard[]>} - The article cards data.
*/
export const getArticlesCard = async ({
first,
}: GraphQLEdgesInput): Promise<ArticleCard[]> => {
const response = await fetchAPI<RawArticlePreview, typeof articlesCardQuery>({
query: articlesCardQuery,
variables: { first },
});
return response.posts.nodes.map((node) => getArticleCardFromRawData(node));
};
/**
* Retrieve an Article object by slug.
*
* @param {string} slug - The article slug.
* @returns {Promise<Article>} The requested article.
*/
export const getArticleBySlug = async (slug: string): Promise<Article> => {
const response = await fetchAPI<RawArticle, typeof articleBySlugQuery>({
query: articleBySlugQuery,
variables: { slug },
});
return getArticleFromRawData(response.post);
};
/**
* Retrieve all the articles slugs.
*
* @returns {Promise<string[]>} - An array of articles slugs.
*/
export const getAllArticlesSlugs = async (): Promise<string[]> => {
const totalArticles = await getTotalArticles();
const response = await fetchAPI<Slug, typeof articlesSlugQuery>({
query: articlesSlugQuery,
variables: { first: totalArticles },
});
return response.posts.edges.map((edge) => edge.node.slug);
};
/**
* Retrieve the last cursor.
*
* @param {GraphQLEdgesInput} props - An object of GraphQL variables.
* @returns {Promise<string>} - The end cursor.
*/
export const getArticlesEndCursor = async (
props: GraphQLEdgesInput
): Promise<string> => {
const response = await fetchAPI<
EndCursorResponse,
typeof articlesEndCursorQuery
>({
query: articlesEndCursorQuery,
variables: { ...props },
});
return response.posts.pageInfo.endCursor;
};
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