1 files changed, 226 insertions, 0 deletions
diff --git a/src/utils/helpers/format.ts b/src/utils/helpers/format.ts
new file mode 100644
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+++ b/src/utils/helpers/format.ts
@@ -0,0 +1,226 @@
+import {
+  Article,
+  ArticlePreview,
+  RawArticle,
+  RawArticlePreview,
+} from '@ts/types/articles';
+import { Comment, RawComment } from '@ts/types/comments';
+import { Page, RawPage } from '@ts/types/pages';
+import {
+  RawSubject,
+  RawThematic,
+  Subject,
+  Thematic,
+} from '@ts/types/taxonomies';
+
+/**
+ * Format a post preview from RawArticlePreview to ArticlePreview type.
+ * @param rawPost - A post preview coming from WP GraphQL.
+ * @returns A formatted post preview.
+ */
+export const getFormattedPostPreview = (rawPost: RawArticlePreview) => {
+  const {
+    acfPosts,
+    commentCount,
+    contentParts,
+    date,
+    featuredImage,
+    id,
+    modified,
+    slug,
+    title,
+  } = rawPost;
+
+  const dates = {
+    publication: date,
+    update: modified,
+  };
+
+  const thematics = acfPosts.postsInThematic ? acfPosts.postsInThematic : [];
+
+  const formattedPost: ArticlePreview = {
+    commentCount,
+    dates,
+    featuredImage: featuredImage ? featuredImage.node : null,
+    id,
+    intro: contentParts.beforeMore,
+    slug,
+    thematics,
+    title,
+  };
+
+  return formattedPost;
+};
+
+/**
+ * Format an array of posts list from RawArticlePreview to ArticlePreview type.
+ * @param rawPosts - A posts list coming from WP GraphQL.
+ * @returns A formatted posts list.
+ */
+export const getFormattedPostsList = (
+  rawPosts: RawArticlePreview[]
+): ArticlePreview[] => {
+  const formattedPosts = rawPosts
+    .filter((post) => Object.getOwnPropertyNames(post).length > 0)
+    .map((post) => {
+      const formattedPost = getFormattedPostPreview(post);
+
+      return formattedPost;
+    });
+
+  return formattedPosts;
+};
+
+/**
+ * Format a subject from RawSubject to Subject type.
+ * @param rawSubject - A subject coming from WP GraphQL.
+ * @returns A formatted subject.
+ */
+export const getFormattedSubject = (rawSubject: RawSubject): Subject => {
+  const {
+    acfSubjects,
+    contentParts,
+    databaseId,
+    date,
+    featuredImage,
+    id,
+    modified,
+    title,
+  } = rawSubject;
+
+  const dates = {
+    publication: date,
+    update: modified,
+  };
+
+  const posts = getFormattedPostsList(acfSubjects.postsInSubject);
+
+  const formattedSubject: Subject = {
+    content: contentParts.afterMore,
+    databaseId,
+    dates,
+    featuredImage: featuredImage ? featuredImage.node : null,
+    id,
+    intro: contentParts.beforeMore,
+    officialWebsite: acfSubjects.officialWebsite,
+    posts,
+    title,
+  };
+
+  return formattedSubject;
+};
+
+/**
+ * Format a thematic from RawThematic to Thematic type.
+ * @param rawThematic - A thematic coming from wP GraphQL.
+ * @returns A formatted thematic.
+ */
+export const getFormattedThematic = (rawThematic: RawThematic): Thematic => {
+  const { acfThematics, contentParts, databaseId, date, id, modified, title } =
+    rawThematic;
+
+  const dates = {
+    publication: date,
+    update: modified,
+  };
+
+  const posts = getFormattedPostsList(acfThematics.postsInThematic);
+
+  const formattedThematic: Thematic = {
+    content: contentParts.afterMore,
+    databaseId,
+    dates,
+    id,
+    intro: contentParts.beforeMore,
+    posts,
+    title,
+  };
+
+  return formattedThematic;
+};
+
+/**
+ * Format a comments list from RawComment to Comment type.
+ * @param rawComments - A comments list coming from WP GraphQL.
+ * @returns A formatted comments list.
+ */
+export const getFormattedComments = (rawComments: RawComment[]): Comment[] => {
+  const formattedComments: Comment[] = rawComments.map((comment) => {
+    const formattedComment: Comment = {
+      ...comment,
+      author: comment.author.node,
+      replies: [],
+    };
+
+    return formattedComment;
+  });
+
+  return formattedComments;
+};
+
+/**
+ * Format an article from RawArticle to Article type.
+ * @param rawPost - An article coming from WP GraphQL.
+ * @returns A formatted article.
+ */
+export const getFormattedPost = (rawPost: RawArticle): Article => {
+  const {
+    acfPosts,
+    author,
+    commentCount,
+    comments,
+    contentParts,
+    databaseId,
+    date,
+    id,
+    modified,
+    seo,
+    title,
+  } = rawPost;
+
+  const dates = {
+    publication: date,
+    update: modified,
+  };
+
+  const formattedComments = getFormattedComments(comments.nodes);
+
+  const formattedPost: Article = {
+    author: author.node,
+    commentCount,
+    comments: formattedComments,
+    content: contentParts.afterMore,
+    databaseId,
+    dates,
+    id,
+    intro: contentParts.beforeMore,
+    seo,
+    subjects: acfPosts.postsInSubject ? acfPosts.postsInSubject : [],
+    thematics: acfPosts.postsInThematic ? acfPosts.postsInThematic : [],
+    title,
+  };
+
+  return formattedPost;
+};
+
+/**
+ * Format a page from RawPage to Page type.
+ * @param page - A page coming from WP GraphQL.
+ * @returns A formatted page.
+ */
+export const getFormattedPage = (rawPage: RawPage): Page => {
+  const { date, modified } = rawPage;
+  const dates = {
+    publication: date,
+    update: modified,
+  };
+
+  const formattedPage: Page = {
+    ...rawPage,
+    content: rawPage.contentParts.afterMore,
+    dates,
+    intro: rawPage.contentParts.beforeMore,
+  };
+
+  return formattedPage;
+};