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import { settings } from '@utils/config';
import {
articleBySlugQuery,
articlesCardQuery,
articlesQuery,
articlesSlugQuery,
totalArticlesQuery,
} from './articles.query';
import { commentsQuery } from './comments.query';
import {
thematicBySlugQuery,
thematicsListQuery,
thematicsSlugQuery,
} from './thematics.query';
import {
topicBySlugQuery,
topicsListQuery,
topicsSlugQuery,
} from './topics.query';
export type Queries =
| typeof articlesQuery
| typeof articleBySlugQuery
| typeof articlesCardQuery
| typeof articlesSlugQuery
| typeof commentsQuery
| typeof thematicBySlugQuery
| typeof thematicsListQuery
| typeof thematicsSlugQuery
| typeof topicBySlugQuery
| typeof topicsListQuery
| typeof topicsSlugQuery
| typeof totalArticlesQuery;
export type ArticleResponse<T> = {
post: T;
};
export type ArticlesResponse<T> = {
posts: T;
};
export type CommentsResponse<T> = {
comments: T[];
};
export type ThematicResponse<T> = {
thematic: T;
};
export type ThematicsResponse<T> = {
thematics: T;
};
export type TopicResponse<T> = {
topic: T;
};
export type TopicsResponse<T> = {
topics: T;
};
export type PageInfo = {
endCursor: string;
hasNextPage: boolean;
total: number;
};
export type Edges<T> = {
cursor: string;
node: T;
};
export type EdgesResponse<T> = {
edges: Edges<T>[];
pageInfo: PageInfo;
};
export type NodeResponse<T> = {
node: T;
};
export type NodesResponse<T> = {
nodes: T[];
};
export type ResponseMap<T> = {
[articleBySlugQuery]: ArticleResponse<NodesResponse<T>>;
[articlesCardQuery]: ArticlesResponse<NodesResponse<T>>;
[articlesQuery]: ArticlesResponse<EdgesResponse<T>>;
[articlesSlugQuery]: ArticlesResponse<EdgesResponse<T>>;
[commentsQuery]: CommentsResponse<NodesResponse<T>>;
[thematicBySlugQuery]: ThematicResponse<NodesResponse<T>>;
[thematicsListQuery]: ThematicsResponse<EdgesResponse<T>>;
[thematicsSlugQuery]: ThematicsResponse<EdgesResponse<T>>;
[topicBySlugQuery]: TopicResponse<NodesResponse<T>>;
[topicsListQuery]: TopicsResponse<EdgesResponse<T>>;
[topicsSlugQuery]: TopicsResponse<EdgesResponse<T>>;
[totalArticlesQuery]: ArticlesResponse<T>;
};
export type GraphQLResponse<
T extends keyof ResponseMap<U>,
U
> = ResponseMap<U>[T];
export type BySlugVar = {
/**
* A slug.
*/
slug: string;
};
export type EdgesVars = {
/**
* A cursor.
*/
after?: string;
/**
* The number of items to return.
*/
first: number;
/**
* A search query.
*/
search?: string;
};
export type ByContentIdVar = {
/**
* An article id.
*/
contentId: number;
};
export type VariablesMap = {
[articleBySlugQuery]: BySlugVar;
[articlesCardQuery]: EdgesVars;
[articlesQuery]: EdgesVars;
[articlesSlugQuery]: EdgesVars;
[commentsQuery]: ByContentIdVar;
[thematicBySlugQuery]: BySlugVar;
[thematicsListQuery]: EdgesVars;
[thematicsSlugQuery]: EdgesVars;
[topicBySlugQuery]: BySlugVar;
[topicsListQuery]: EdgesVars;
[topicsSlugQuery]: EdgesVars;
[totalArticlesQuery]: null;
};
export type FetchAPIProps<T extends Queries> = {
/**
* A GraphQL API URL.
*/
api: string;
/**
* A GraphQL query.
*/
query: T;
/**
* (Optional) The query variables.
*/
variables?: VariablesMap[T];
};
/**
* Fetch a GraphQL API.
* @param {object} obj - An object.
* @param {string} obj.api - A GraphQL API URL.
* @param {Queries} obj.query - A GraphQL query.
* @param {object} [obj.variables] - The query variables.
*/
export async function fetchAPI<T, U extends Queries>({
api,
query,
variables,
}: FetchAPIProps<U>): Promise<GraphQLResponse<U, T>> {
const response = await fetch(api, {
method: 'POST',
headers: {
'content-type': 'application/json;charset=UTF-8',
},
body: JSON.stringify({
query,
variables,
}),
});
type JSONResponse = {
data?: GraphQLResponse<U, T>;
errors?: Array<{ message: string }>;
};
const { data, errors }: JSONResponse = await response.json();
if (response.ok) {
if (!data) return Promise.reject(new Error(`No data found"`));
return data;
} else {
console.error('Failed to fetch API');
const error = new Error(
errors?.map((e) => e.message).join('\n') ?? 'unknown'
);
return Promise.reject(error);
}
}
/**
* Retrieve the API url from settings.
*
* @returns {string} The API url.
*/
export const getAPIUrl = (): string => {
const { url } = settings.api;
if (!url) {
throw new Error('API url is not defined.');
}
return url;
};
|
