src/lib/Data/AniList/follow.ts


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import type { AniListAuthorisation } from './identity';

export interface User {
  id: number;
  name: string;
  isFollowing: boolean;
  isFollower: boolean;
  avatar: {
    large: string;
    medium: string;
  };
}

export const toggleFollow = async (
  anilistAuthorisation: AniListAuthorisation,
  username: string
): Promise<User> => {
  const {
    data: { User: user }
  } = await (
    await fetch('https://graphql.anilist.co', {
      method: 'POST',
      headers: {
        Authorization: `${anilistAuthorisation.tokenType} ${anilistAuthorisation.accessToken}`,
        'Content-Type': 'application/json',
        Accept: 'application/json'
      },
      body: JSON.stringify({
        query: `{ User(name: "${username}") { id } }`
      })
    })
  ).json();

  return (
    await (
      await fetch('https://graphql.anilist.co', {
        method: 'POST',
        headers: {
          Authorization: `${anilistAuthorisation.tokenType} ${anilistAuthorisation.accessToken}`,
          'Content-Type': 'application/json',
          Accept: 'application/json'
        },
        body: JSON.stringify({
          mutation: `{ ToggleFollow(userId: ${user.id}) { id name isFollowing isFollower } }`
        })
      })
    ).json()
  )['data']['ToggleFollow'];
};