feat: add podcasts service

src/services/podcasts/podcast.dto.ts

@@ -0,0 +1,15 @@
+import { Entry } from "./podcasts.types";
+
+export class PodcastDTO {
+  id: string;
+  title: string;
+  author: string;
+  imageUrl: string;
+
+  constructor(podcast: Entry) {
+    this.id = podcast.id.attributes["im:id"];
+    this.title = podcast["im:name"].label;
+    this.author = podcast["im:artist"].label;
+    this.imageUrl = podcast["im:image"][0].label;
+  }
+}

src/services/podcasts/podcasts.service.ts

@@ -0,0 +1,17 @@
+import { TopPodcastsResponse } from "./podcasts.types";
+import { PodcastDTO } from "./podcast.dto";
+
+class PodcastsService {
+  baseUrl = "https://itunes.apple.com";
+
+  async getTopPodcasts(): Promise<PodcastDTO[]> {
+    const response = await fetch(
+      `${this.baseUrl}/us/rss/toppodcasts/limit=100/genre=1310/json`,
+    );
+    const data: TopPodcastsResponse = await response.json();
+
+    return data.feed.entry.map((podcast) => new PodcastDTO(podcast));
+  }
+}
+
+export const podcastsService = new PodcastsService();

src/services/podcasts/podcasts.types.ts

@@ -0,0 +1,164 @@
+export interface TopPodcastsResponse {
+  feed: Feed;
+}
+
+export interface Feed {
+  author: Author;
+  entry: Entry[];
+  updated: Updated;
+  rights: Rights2;
+  title: Title2;
+  icon: Icon;
+  link: Link2[];
+  id: Id2;
+}
+
+export interface Author {
+  name: Name;
+  uri: Uri;
+}
+
+export interface Name {
+  label: string;
+}
+
+export interface Uri {
+  label: string;
+}
+
+export interface Entry {
+  "im:name": ImName;
+  "im:image": ImImage[];
+  summary: Summary;
+  "im:price": ImPrice;
+  "im:contentType": ImContentType;
+  rights?: Rights;
+  title: Title;
+  link: Link;
+  id: Id;
+  "im:artist": ImArtist;
+  category: Category;
+  "im:releaseDate": ImReleaseDate;
+}
+
+export interface ImName {
+  label: string;
+}
+
+export interface ImImage {
+  label: string;
+  attributes: Attributes;
+}
+
+export interface Attributes {
+  height: string;
+}
+
+export interface Summary {
+  label: string;
+}
+
+export interface ImPrice {
+  label: string;
+  attributes: Attributes2;
+}
+
+export interface Attributes2 {
+  amount: string;
+  currency: string;
+}
+
+export interface ImContentType {
+  attributes: Attributes3;
+}
+
+export interface Attributes3 {
+  term: string;
+  label: string;
+}
+
+export interface Rights {
+  label: string;
+}
+
+export interface Title {
+  label: string;
+}
+
+export interface Link {
+  attributes: Attributes4;
+}
+
+export interface Attributes4 {
+  rel: string;
+  type: string;
+  href: string;
+}
+
+export interface Id {
+  label: string;
+  attributes: Attributes5;
+}
+
+export interface Attributes5 {
+  "im:id": string;
+}
+
+export interface ImArtist {
+  label: string;
+  attributes?: Attributes6;
+}
+
+export interface Attributes6 {
+  href: string;
+}
+
+export interface Category {
+  attributes: Attributes7;
+}
+
+export interface Attributes7 {
+  "im:id": string;
+  term: string;
+  scheme: string;
+  label: string;
+}
+
+export interface ImReleaseDate {
+  label: string;
+  attributes: Attributes8;
+}
+
+export interface Attributes8 {
+  label: string;
+}
+
+export interface Updated {
+  label: string;
+}
+
+export interface Rights2 {
+  label: string;
+}
+
+export interface Title2 {
+  label: string;
+}
+
+export interface Icon {
+  label: string;
+}
+
+export interface Link2 {
+  attributes: Attributes9;
+}
+
+export interface Attributes9 {
+  rel: string;
+  type?: string;
+  href: string;
+}
+
+export interface Id2 {
+  label: string;
+}