feat(plugins): mangabaka

Co-Authored-By: Claude Opus 5.5 <[email protected]>

plugins/mangabaka/index.ts

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+import { definePlugin } from "@sttracker/plugin-sdk/types";
+import { lookup } from "./src/lookup.ts";
+import { pull, pullChanges } from "./src/pull.ts";
+
+export default definePlugin({
+  manifest: {
+    id: "mangabaka",
+    name: "MangaBaka",
+    version: "0.1.0",
+    sdkVersion: 1,
+    mediaTypes: ["manga", "comic"],
+    capabilities: ["pull", "pullChanges", "lookup"],
+    config: [{ key: "token", label: "API token", type: "secret", required: true, help: "Sent as the x-api-key header." }],
+    attribution: "Manga data from MangaBaka (CC BY-NC-SA 4.0).",
+  },
+  pull,
+  pullChanges,
+  lookup,
+});

plugins/mangabaka/src/api.ts

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+import type { PluginContext } from "@sttracker/plugin-sdk/types";
+
+export const BASE_URL = "https://api.mangabaka.org";
+/** The host builds the HttpClient; it should use this rate for this plugin. */
+export const RATE_PER_MINUTE = 150;
+
+export interface ApiSource { id?: number | string | null }
+export interface ApiSeries {
+  id: number;
+  title: string;
+  type?: string | null;
+  state?: string | null;
+  merged_with?: number | null;
+  year?: number | null;
+  source?: {
+    anilist?: ApiSource | null;
+    my_anime_list?: ApiSource | null;
+    manga_updates?: ApiSource | null;
+    kitsu?: ApiSource | null;
+  } | null;
+}
+export interface ApiEntry {
+  series_id: number;
+  state?: string | null;
+  rating?: number | null;
+  progress_chapter?: number | null;
+  progress_volume?: number | null;
+  start_date?: string | null;
+  finish_date?: string | null;
+  note?: string | null;
+  series?: ApiSeries | null;
+}
+export interface LibraryPage {
+  data: ApiEntry[];
+  pagination?: { page?: number; total_pages?: number } | null;
+}
+export interface ChangesPage {
+  data: { type: "upsert" | "delete"; entry?: ApiEntry; series_id: number }[];
+  next_cursor?: string | null;
+}
+
+export function authHeaders(ctx: PluginContext): Record<string, string> {
+  const token = ctx.config.token;
+  if (typeof token !== "string" || token === "") throw new Error("mangabaka: token is not configured");
+  return { "x-api-key": token };
+}

plugins/mangabaka/src/lookup.ts

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+import type { MediaType, PluginContext, WorkHint } from "@sttracker/plugin-sdk/types";
+import { BASE_URL, authHeaders, type ApiSeries } from "./api.ts";
+import { mapEntry } from "./map.ts";
+
+export async function lookup(ctx: PluginContext, q: { title: string; mediaType?: MediaType; year?: number }): Promise<WorkHint[]> {
+  const res = await ctx.http.json<{ data: ApiSeries[] }>(`${BASE_URL}/v1/series/search`, {
+    headers: authHeaders(ctx),
+    query: { q: q.title },
+    signal: ctx.signal,
+  });
+  return res.data
+    .map((s) => (mapEntry({ series_id: s.id, series: s })[0] as { work: WorkHint }).work)
+    .filter((w) => (q.mediaType ? w.mediaType === q.mediaType : true) && (q.year == null || w.year == null || w.year === q.year));
+}

plugins/mangabaka/src/map.ts

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+import { parsePartialDate } from "@sttracker/plugin-sdk/partial-date";
+import type { SourceRecord, Status, WorkHint } from "@sttracker/plugin-sdk/types";
+import type { ApiEntry } from "./api.ts";
+
+export const STATE_MAP: Record<string, Status> = {
+  considering: "planned",
+  plan_to_read: "planned",
+  reading: "in_progress",
+  rereading: "in_progress",
+  paused: "paused",
+  dropped: "dropped",
+  completed: "completed",
+};
+
+export function mapState(s: string | null | undefined): Status {
+  return (s != null && STATE_MAP[s]) || "none";
+}
+
+function hint(e: ApiEntry): WorkHint {
+  const s = e.series;
+  const externalIds: Record<string, string> = { mangabaka: String(e.series_id) };
+  const add = (ns: string, v: { id?: number | string | null } | null | undefined) => {
+    if (v?.id != null && v.id !== "") externalIds[ns] = String(v.id);
+  };
+  add("anilist", s?.source?.anilist);
+  add("mal", s?.source?.my_anime_list);
+  add("mangaupdates", s?.source?.manga_updates);
+  add("kitsu", s?.source?.kitsu);
+  return {
+    title: s?.title ?? `MangaBaka series ${e.series_id}`,
+    mediaType: s?.type === "comic" ? "comic" : "manga",
+    ...(s?.year != null ? { year: s.year } : {}),
+    externalIds,
+  };
+}
+
+export function mapEntry(e: ApiEntry): SourceRecord[] {
+  const work = hint(e);
+  const key = `series:${e.series_id}`;
+  const merged = e.series?.state === "merged" && e.series.merged_with != null;
+  const entry: SourceRecord = {
+    kind: "entry",
+    key,
+    raw: e,
+    work,
+    entry: {
+      status: mapState(e.state),
+      ...(e.rating !== undefined ? { rating: e.rating } : {}),
+      ...(e.note !== undefined ? { notes: e.note } : {}),
+    },
+    ...(merged ? { mergedIntoKey: `series:${e.series!.merged_with}` } : {}),
+  };
+  const progress: Record<string, number> = {};
+  if (e.progress_chapter != null) progress.chapter = e.progress_chapter;
+  if (e.progress_volume != null) progress.volume = e.progress_volume;
+  const started = parsePartialDate(e.start_date);
+  const finished = parsePartialDate(e.finish_date);
+  if (Object.keys(progress).length === 0 && !started && !finished) return [entry];
+  const engagement: SourceRecord = {
+    kind: "engagement",
+    key: `progress:${e.series_id}`,
+    raw: e,
+    work,
+    engagement: { progress, startedAt: started, finishedAt: finished },
+  };
+  return [entry, engagement];
+}
+
+export function mapDeletion(seriesId: number): SourceRecord[] {
+  const work: WorkHint = { title: `MangaBaka series ${seriesId}`, mediaType: "manga", externalIds: { mangabaka: String(seriesId) } };
+  return [
+    { kind: "entry", key: `series:${seriesId}`, raw: { series_id: seriesId }, work, entry: {}, deleted: true },
+    { kind: "engagement", key: `progress:${seriesId}`, raw: { series_id: seriesId }, work, engagement: {}, deleted: true },
+  ];
+}

plugins/mangabaka/src/pull.ts

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+import type { PluginContext, SourceRecord } from "@sttracker/plugin-sdk/types";
+import { BASE_URL, authHeaders, type ChangesPage, type LibraryPage } from "./api.ts";
+import { mapDeletion, mapEntry } from "./map.ts";
+
+export async function* pull(ctx: PluginContext): AsyncIterable<SourceRecord> {
+  const headers = authHeaders(ctx);
+  for (let page = 1; ; page++) {
+    const res = await ctx.http.json<LibraryPage>(`${BASE_URL}/v1/my/library`, { headers, query: { page }, signal: ctx.signal });
+    for (const e of res.data) yield* mapEntry(e);
+    const total = res.pagination?.total_pages;
+    if (res.data.length === 0 || (total != null && page >= total)) return;
+  }
+}
+
+export async function* pullChanges(ctx: PluginContext): AsyncIterable<SourceRecord> {
+  const headers = authHeaders(ctx);
+  let cursor = (await ctx.cursor.get()) ?? undefined;
+  for (;;) {
+    const res = await ctx.http.json<ChangesPage>(`${BASE_URL}/v2/my/library/changes`, { headers, query: { cursor }, signal: ctx.signal });
+    for (const c of res.data) {
+      if (c.type === "delete" || !c.entry) yield* mapDeletion(c.series_id);
+      else yield* mapEntry(c.entry);
+    }
+    const next = res.next_cursor;
+    if (next) {
+      await ctx.cursor.set(next);
+      if (next === cursor) return;
+      cursor = next;
+    }
+    if (!next || res.data.length === 0) return;
+  }
+}

plugins/mangabaka/test/fixtures/changes.json

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+{"data":[
+{"type":"upsert","series_id":1,"entry":{"series_id":1,"state":"paused","rating":70,"progress_chapter":13,"progress_volume":2,"start_date":"2024-03-05","finish_date":null,"note":null,"series":{"id":1,"title":"Alpha","type":"manga","state":"active","merged_with":null,"year":2020,"source":{}}}},
+{"type":"delete","series_id":7}
+],"next_cursor":"cur-2"}

plugins/mangabaka/test/fixtures/library-page1.json

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+{"data":[
+{"series_id":1,"state":"reading","rating":80,"progress_chapter":12,"progress_volume":2,"start_date":"2024-03-05","finish_date":null,"note":"good","series":{"id":1,"title":"Alpha","type":"manga","state":"active","merged_with":null,"year":2020,"source":{"anilist":{"id":11},"my_anime_list":{"id":22},"manga_updates":{"id":33},"kitsu":{"id":44}}}},
+{"series_id":2,"state":"plan_to_read","rating":null,"progress_chapter":null,"progress_volume":null,"start_date":null,"finish_date":null,"note":null,"series":{"id":2,"title":"Beta","type":"manga","state":"merged","merged_with":9,"year":null,"source":{}}}
+],"pagination":{"page":1,"total_pages":2}}

plugins/mangabaka/test/fixtures/library-page2.json

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+{"data":[
+{"series_id":3,"state":"completed","rating":95,"progress_chapter":50,"progress_volume":null,"start_date":"2023-01","finish_date":"2023-06-30","note":null,"series":{"id":3,"title":"Gamma","type":"manga","state":"active","merged_with":null,"year":2019,"source":{}}}
+],"pagination":{"page":2,"total_pages":2}}

plugins/mangabaka/test/fixtures/search.json

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+{"data":[{"id":5,"title":"Delta","type":"manga","state":"active","merged_with":null,"year":2018,"source":{"anilist":{"id":55}}}]}

plugins/mangabaka/test/mangabaka.test.ts

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+import { describe, expect, test } from "bun:test";
+import { collect, createFixtureHttp, createTestContext } from "@sttracker/plugin-sdk/testing";
+import type { Status } from "@sttracker/plugin-sdk/types";
+import plugin from "../index.ts";
+import { mapState } from "../src/map.ts";
+import page1 from "./fixtures/library-page1.json";
+import page2 from "./fixtures/library-page2.json";
+import changes from "./fixtures/changes.json";
+import search from "./fixtures/search.json";
+
+const B = "https://api.mangabaka.org";
+const ctxFor = (routes: Record<string, unknown>) => {
+  const h = createFixtureHttp(routes);
+  return { h, ctx: createTestContext({ fetch: h.fetch, config: { token: "tok" } }) };
+};
+
+describe("mangabaka", () => {
+  test("manifest", () => {
+    expect(plugin.manifest.id).toBe("mangabaka");
+    expect(plugin.manifest.capabilities).toEqual(["pull", "pullChanges", "lookup"]);
+  });
+
+  test.each<[string, Status]>([
+    ["considering", "planned"], ["plan_to_read", "planned"], ["reading", "in_progress"],
+    ["rereading", "in_progress"], ["paused", "paused"], ["dropped", "dropped"], ["completed", "completed"],
+  ])("state %s -> %s", (a, b) => expect(mapState(a)).toBe(b));
+
+  test("pull pages, maps entries and engagements, sends api key", async () => {
+    const { h, ctx } = ctxFor({
+      [`GET ${B}/v1/my/library?page=1`]: page1,
+      [`GET ${B}/v1/my/library?page=2`]: page2,
+    });
+    const recs = await collect(plugin.pull!(ctx));
+    expect(recs.map((r) => r.key)).toEqual(["series:1", "progress:1", "series:2", "series:3", "progress:3"]);
+    expect(h.calls.every((c) => c.headers.get("x-api-key") === "tok")).toBe(true);
+    const a = recs[0]!;
+    if (a.kind !== "entry") throw new Error();
+    expect(a.entry).toEqual({ status: "in_progress", rating: 80, notes: "good" });
+    expect(a.work.externalIds).toEqual({ mangabaka: "1", anilist: "11", mal: "22", mangaupdates: "33", kitsu: "44" });
+    const p = recs[1]!;
+    if (p.kind !== "engagement") throw new Error();
+    expect(p.engagement.progress).toEqual({ chapter: 12, volume: 2 });
+    expect(p.engagement.startedAt).toEqual({ value: "2024-03-05", precision: "day" });
+    expect(p.engagement.finishedAt).toBeNull();
+  });
+
+  test("merged series sets mergedIntoKey", async () => {
+    const { ctx } = ctxFor({ [`GET ${B}/v1/my/library?page=1`]: page1, [`GET ${B}/v1/my/library?page=2`]: page2 });
+    const recs = await collect(plugin.pull!(ctx));
+    expect(recs.find((r) => r.key === "series:2")!.mergedIntoKey).toBe("series:9");
+    expect(recs.find((r) => r.key === "series:1")!.mergedIntoKey).toBeUndefined();
+  });
+
+  test("pullChanges yields upsert and deletion, saves cursor", async () => {
+    const { h, ctx } = ctxFor({
+      [`GET ${B}/v2/my/library/changes`]: (req: Request) =>
+        new URL(req.url).searchParams.get("cursor") === "cur-2" ? { data: [], next_cursor: "cur-2" } : changes,
+    });
+    await ctx.cursor.set("cur-1");
+    ctx.saved.cursor.length = 0;
+    const recs = await collect(plugin.pullChanges!(ctx));
+    expect(recs.filter((r) => r.deleted).map((r) => r.key)).toEqual(["series:7", "progress:7"]);
+    expect(recs[0]!.key).toBe("series:1");
+    expect(ctx.saved.cursor).toEqual(["cur-2", "cur-2"]);
+    expect(await ctx.cursor.get()).toBe("cur-2");
+    expect(new URL(h.calls[0]!.url).searchParams.get("cursor")).toBe("cur-1");
+  });
+
+  test("lookup searches series", async () => {
+    const { h, ctx } = ctxFor({ [`GET ${B}/v1/series/search`]: search });
+    const r = await plugin.lookup!(ctx, { title: "Delta", mediaType: "manga" });
+    expect(r).toEqual([{ title: "Delta", mediaType: "manga", year: 2018, externalIds: { mangabaka: "5", anilist: "55" } }]);
+    expect(new URL(h.calls[0]!.url).searchParams.get("q")).toBe("Delta");
+  });
+});