feat(web): api client and display formatters

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Lucas Winther
2026-10-30 21:25:41 +01:00
co-authored by Claude Opus 5.5
parent 0a540208e1
commit 0bb871cd19
4 changed files with 604 additions and 0 deletions
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/**
* The `/api/v1` client. Cookie auth (`credentials: "same-origin"`); every non-GET request sends
* `X-Requested-With: sttracker` (the server's CSRF rule) and, unless it is multipart, a JSON content type.
* Wire types mirror the server's responses; the web app cannot import `@sttracker/core`.
*/
import type { PartialDate, Status } from "./format.ts";
export class ApiError extends Error {
constructor(
readonly status: number,
readonly code: string,
message: string,
) {
super(message);
this.name = "ApiError";
}
}
type Method = "GET" | "POST" | "PATCH" | "DELETE";
type QueryValue = string | number | boolean | null | undefined;
export interface RequestOpts {
body?: unknown;
form?: FormData;
query?: Record<string, QueryValue>;
fetchImpl?: typeof fetch;
}
export async function request<T = unknown>(method: Method, path: string, opts: RequestOpts = {}): Promise<T> {
const qs = new URLSearchParams();
for (const [k, v] of Object.entries(opts.query ?? {})) if (v !== undefined && v !== null && v !== "") qs.set(k, String(v));
const url = `/api/v1/${path}${qs.size ? `?${qs}` : ""}`;
const headers: Record<string, string> = { accept: "application/json" };
let body: BodyInit | undefined;
if (method !== "GET") {
headers["x-requested-with"] = "sttracker";
if (opts.form) body = opts.form;
else {
headers["content-type"] = "application/json";
if (opts.body !== undefined) body = JSON.stringify(opts.body);
}
}
let res: Response;
try {
res = await (opts.fetchImpl ?? fetch)(url, { method, headers, body, credentials: "same-origin" });
} catch {
throw new ApiError(0, "network", "Can't reach the server. Check your connection and try again.");
}
if (res.status === 204) return undefined as T;
const text = await res.text();
let data: unknown;
try {
data = text ? JSON.parse(text) : undefined;
} catch {
data = undefined;
}
if (!res.ok) {
const err = (data as { error?: { code?: string; message?: string } } | undefined)?.error;
if (err?.code) throw new ApiError(res.status, err.code, err.message ?? err.code);
throw new ApiError(res.status, `http_${res.status}`, `The server answered ${res.status}. Try again in a moment.`);
}
return data as T;
}
// ---------------------------------------------------------------------------------------------
// Wire types
// ---------------------------------------------------------------------------------------------
export interface User {
id: string;
username: string;
displayName: string;
role: "admin" | "member";
}
export interface EntryView {
id: string;
workId: string;
status: Status;
rating: number | null;
review: string | null;
privateNotes: string | null;
favorite: boolean;
tags: string[];
customFields: Record<string, unknown>;
visibility: "private" | "friends" | "public";
overrides: { title?: string; coverUrl?: string; year?: number | null };
mediaTypeOverride: string | null;
fieldSources: Record<string, string>;
createdAt: string;
updatedAt: string;
work: { id: string; mediaType: string; title: string; originalTitle: string; year: number | null; coverUrl: string; parentId: string | null };
draft: boolean;
childSummary: { total: number; completed: number } | null;
}
export type EntryPatch = Partial<
Pick<EntryView, "status" | "rating" | "review" | "privateNotes" | "favorite" | "tags" | "customFields" | "visibility" | "overrides">
>;
export interface Page<T> {
items: T[];
nextCursor: string | null;
}
export interface Engagement {
id: string;
entryId: string;
startedAt: PartialDate | null;
finishedAt: PartialDate | null;
progress: Record<string, number | string>;
platform: string | null;
rating: number | null;
notes: string | null;
fieldSources: Record<string, string>;
createdAt: string;
}
export interface Copy {
id: string;
workId: string | null;
titleHint: string | null;
format: string | null;
acquiredFrom: string | null;
acquiredAt: PartialDate | null;
priceCents: number | null;
currency: string | null;
notes: string | null;
}
export interface Attachment {
id: string;
mime: string;
filename: string;
caption: string | null;
size: number;
}
export interface Connection {
id: string;
pluginId: string;
name: string;
status: string;
lastRunAt: string | null;
hasCredentials: boolean;
}
export interface ChangeEvent {
id: string;
type: string;
status: string;
connectionId: string | null;
targetEntity: string;
targetId: string | null;
payload: Record<string, unknown>;
createdAt: string;
}
export interface HistoryRecord {
id: string;
entity: string;
entityId: string;
before: Record<string, unknown>;
after: Record<string, unknown>;
actor: string;
createdAt: string;
}
export interface CustomFieldDef {
id: string;
name: string;
type: "text" | "long_text" | "number" | "date" | "boolean" | "single_select" | "multi_select" | "url" | "rating";
options: string[];
}
export interface Work {
id: string;
media_type: string;
title: string;
year: number | null;
cover_url: string;
creators: { name: string; role?: string }[];
}
export interface Suggestion {
id: string;
workId: string;
candidateWorkId: string;
score: number;
}
// ---------------------------------------------------------------------------------------------
// Endpoints
// ---------------------------------------------------------------------------------------------
export interface EntryQuery {
q?: string;
mediaType?: string;
status?: Status;
draft?: boolean;
parentId?: string;
cursor?: string;
limit?: number;
}
export const api = {
me: () => request<User>("GET", "me"),
login: (username: string, password: string) => request<User>("POST", "auth/login", { body: { username, password } }),
register: (body: { username: string; password: string; displayName?: string; inviteCode?: string }) =>
request<User>("POST", "auth/register", { body }),
logout: () => request<void>("POST", "auth/logout"),
entries: (query: EntryQuery) => request<Page<EntryView>>("GET", "entries", { query: { ...query } }),
entry: (id: string) => request<EntryView>("GET", `entries/${id}`),
quickAdd: (title: string) => request<EntryView>("POST", "entries/quick", { body: { title } }),
patchEntry: (id: string, patch: EntryPatch) => request<EntryView>("PATCH", `entries/${id}`, { body: patch }),
moveEntry: (id: string, workId: string) => request<EntryView>("POST", `entries/${id}/move`, { body: { workId } }),
history: (id: string) => request<HistoryRecord[]>("GET", `entries/${id}/history`),
restore: (historyId: string) => request<void>("POST", `history/${historyId}/restore`),
engagements: (entryId: string) => request<Engagement[]>("GET", `entries/${entryId}/engagements`),
addEngagement: (entryId: string, body: { startedAt?: PartialDate | null; finishedAt?: PartialDate | null }) =>
request<Engagement>("POST", `entries/${entryId}/engagements`, { body }),
deleteEngagement: (id: string) => request<void>("DELETE", `engagements/${id}`),
copies: (workId: string) => request<Copy[]>("GET", "copies", { query: { workId } }),
addCopy: (body: Partial<Omit<Copy, "id">>) => request<Copy>("POST", "copies", { body }),
upload: (file: File, entityId: string) => {
const form = new FormData();
form.set("file", file);
form.set("entity", "entry");
form.set("entityId", entityId);
return request<Attachment>("POST", "attachments", { form });
},
sources: () => request<Connection[]>("GET", "sources"),
changes: () => request<Page<ChangeEvent>>("GET", "changes", { query: { limit: 200 } }),
customFields: (mediaType: string) => request<CustomFieldDef[]>("GET", "custom-fields", { query: { mediaType, level: "entry" } }),
work: (id: string) => request<Work>("GET", `works/${id}`),
searchWorks: (q: string, mediaType?: string) => request<Work[]>("GET", "works/search", { query: { q, mediaType, limit: 8 } }),
suggestions: (workId: string) => request<Suggestion[]>("GET", `works/${workId}/suggestions`),
acceptSuggestion: (id: string) => request<void>("POST", `suggestions/${id}/accept`),
rejectSuggestion: (id: string) => request<void>("POST", `suggestions/${id}/reject`),
};
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/** Display helpers. Pure functions: no DOM, no network. Partial dates never go through `Date`. */
export type Precision = "day" | "month" | "year" | "unknown";
export interface PartialDate {
value: string;
precision: Precision;
}
/** How ratings are shown and entered. Stored ratings are always integers 0–100. */
export type RatingScale = "5half" | "5" | "10" | "100";
const MONTHS = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
/** Size of one step of the scale, in 0–100 units. */
export function ratingStep(scale: RatingScale): number {
return scale === "5half" ? 10 : scale === "5" ? 20 : scale === "10" ? 5 : 1;
}
/** Snap a 0–100 value to the scale's nearest step. */
export function snapRating(value: number, scale: RatingScale): number {
const step = ratingStep(scale);
return Math.min(100, Math.max(0, Math.round(value / step) * step));
}
/** `formatRating(90, "5half")` is `"★★★★½"`; null is `""`. */
export function formatRating(value: number | null | undefined, scale: RatingScale): string {
if (value === null || value === undefined) return "";
const v = snapRating(value, scale);
if (scale === "10") return `${v / 10}/10`;
if (scale === "100") return `${v}/100`;
const stars = v / 20;
const full = Math.floor(stars);
const half = stars - full >= 0.5;
return "★".repeat(full) + (half ? "½" : "") + "☆".repeat(5 - full - (half ? 1 : 0));
}
/** Screen-reader text for a rating: "4½ stars", "9 out of 10", "Not rated". */
export function describeRating(value: number | null | undefined, scale: RatingScale): string {
if (value === null || value === undefined) return "Not rated";
const v = snapRating(value, scale);
if (scale === "10") return `${v / 10} out of 10`;
if (scale === "100") return `${v} out of 100`;
const stars = v / 20;
const whole = Math.floor(stars);
const label = stars % 1 ? `${whole === 0 ? "" : whole}½` : String(whole);
return `${label} ${stars === 1 ? "star" : "stars"}`;
}
/** `{value:"2025-03",precision:"month"}` is `"Mar 2025"`. Unknown or missing dates are `""`. */
export function formatPartialDate(pd: PartialDate | null | undefined): string {
if (!pd || pd.precision === "unknown" || !pd.value) return "";
const y = pd.value.slice(0, 4);
if (pd.precision === "year") return y;
const month = MONTHS[Number(pd.value.slice(5, 7)) - 1] ?? "";
if (pd.precision === "month") return `${month} ${y}`;
return `${Number(pd.value.slice(8, 10))} ${month} ${y}`;
}
const isExact = (pd: PartialDate | null | undefined) => !pd || pd.precision === "day";
/**
* A read/play's dates: "2 Sep – 14 Sep 2026", "Mar 2025 (no exact date)", "Started 2 Sep 2026".
* Anything coarser than a day is flagged so a month never passes for a precise date.
*/
export function formatDateRange(start: PartialDate | null | undefined, end: PartialDate | null | undefined): string {
const s = formatPartialDate(start);
const e = formatPartialDate(end);
const suffix = isExact(start) && isExact(end) ? "" : " (no exact date)";
if (!s && !e) return "No dates";
if (s && !e) return `Started ${s}${suffix}`;
if (!s) return `${e}${suffix}`;
if (s === e) return `${e}${suffix}`;
// Drop the repeated year: "2 Sep – 14 Sep 2026".
const sameYear = start!.value.slice(0, 4) === end!.value.slice(0, 4) && start!.precision !== "year";
const left = sameYear ? s.slice(0, -5) : s;
return `${left} – ${e}${suffix}`;
}
/** Accepts `YYYY`, `YYYY-MM` and `YYYY-MM-DD`. Anything else (including `03/04/2019`) is null. */
export function parsePartialDate(input: string): PartialDate | null {
const s = input.trim();
const m = /^(\d{4})(?:-(\d{2})(?:-(\d{2}))?)?$/.exec(s);
if (!m) return null;
if (m[2] === undefined) return { value: s, precision: "year" };
const month = Number(m[2]);
if (month < 1 || month > 12) return null;
if (m[3] === undefined) return { value: s, precision: "month" };
const day = Number(m[3]);
const y = Number(m[1]);
const leap = (y % 4 === 0 && y % 100 !== 0) || y % 400 === 0;
const dim = [31, leap ? 29 : 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][month - 1]!;
return day >= 1 && day <= dim ? { value: s, precision: "day" } : null;
}
const TYPE_LABELS: Record<string, string> = {
book: "Book",
comic: "Comic",
manga: "Manga",
game: "Game",
movie: "Movie",
show: "Show",
season: "Season",
episode: "Episode",
podcast: "Podcast",
podcast_episode: "Podcast episode",
audio_drama: "Audio drama",
artist: "Artist",
album: "Album",
track: "Track",
video: "Video",
other: "Other",
};
export function mediaTypeLabel(type: string): string {
return TYPE_LABELS[type] ?? type.charAt(0).toUpperCase() + type.slice(1).replace(/_/g, " ");
}
/** The cover colour family for a media type (DESIGN.md "Media type colours"). */
export function mediaColour(type: string): string {
if (["book", "comic", "manga"].includes(type)) return "#6b3fa0";
if (["podcast", "podcast_episode", "audio_drama"].includes(type)) return "#2f6b58";
if (type === "game") return "#c1652f";
if (["movie", "show", "season", "episode", "video"].includes(type)) return "#344b7a";
if (["artist", "album", "track"].includes(type)) return "#a33b62";
return "#4b4485";
}
const CHILD_NOUN: Record<string, [string, string]> = {
show: ["season", "seasons"],
season: ["episode", "episodes"],
podcast: ["episode", "episodes"],
audio_drama: ["episode", "episodes"],
manga: ["volume", "volumes"],
comic: ["issue", "issues"],
book: ["volume", "volumes"],
album: ["track", "tracks"],
artist: ["album", "albums"],
};
/** Children roll up as "season 3 of 5", "5 seasons" (none finished) or "all 200 episodes". */
export function rollupLabel(type: string, summary: { total: number; completed: number } | null): string | null {
if (!summary || summary.total === 0) return null;
const [one, many] = CHILD_NOUN[type] ?? ["part", "parts"];
const { total, completed } = summary;
if (completed === 0) return `${total} ${total === 1 ? one : many}`;
if (completed >= total) return total === 1 ? `1 ${one}` : `all ${total} ${many}`;
return `${one} ${completed} of ${total}`;
}
export type Status = "planned" | "in_progress" | "paused" | "completed" | "dropped" | "none";
export const STATUSES: Status[] = ["planned", "in_progress", "paused", "completed", "dropped", "none"];
/** Status in the words of the medium: "Reading", "Playing", "Watching", "Listening". */
export function statusLabel(status: Status, type = "other"): string {
if (status === "in_progress") {
const verb = engagementNouns(type).verb;
return verb;
}
return { planned: "Planned", paused: "Paused", completed: "Finished", dropped: "Dropped", none: "No status" }[status];
}
/** What one time through a work is called: reads, plays, watches, listens. */
export function engagementNouns(type: string): { box: string; one: string; verb: string; log: string } {
if (["book", "comic", "manga"].includes(type)) return { box: "Reads", one: "read", verb: "Reading", log: "Log a read" };
if (type === "game") return { box: "Plays", one: "play", verb: "Playing", log: "Log a play" };
if (["movie", "show", "season", "episode", "video"].includes(type))
return { box: "Watches", one: "watch", verb: "Watching", log: "Log a watch" };
if (["podcast", "podcast_episode", "audio_drama", "artist", "album", "track"].includes(type))
return { box: "Listens", one: "listen", verb: "Listening", log: "Log a listen" };
return { box: "Times through", one: "time", verb: "In progress", log: "Log a time" };
}
/** 1 → "1st", 2 → "2nd", 11 → "11th". */
export function ordinal(n: number): string {
const tens = n % 100;
if (tens >= 11 && tens <= 13) return `${n}th`;
return `${n}${["th", "st", "nd", "rd"][n % 10] ?? "th"}`;
}
/** "4 min ago", "3 h ago", "2 days ago", else "14 Sep 2026". For real timestamps only. */
export function timeAgo(iso: string, now: Date = new Date()): string {
const t = new Date(iso);
const s = Math.round((now.getTime() - t.getTime()) / 1000);
if (Number.isNaN(s)) return "";
if (s < 60) return "just now";
if (s < 3600) return `${Math.floor(s / 60)} min ago`;
if (s < 86400) return `${Math.floor(s / 3600)} h ago`;
if (s < 86400 * 7) return `${Math.floor(s / 86400)} ${s < 86400 * 2 ? "day" : "days"} ago`;
return `${t.getDate()} ${MONTHS[t.getMonth()]} ${t.getFullYear()}`;
}
/** "Hardcover" from actor "plugin:hardcover:<id>", for history rows. */
export function actorConnectionId(actor: string): string | null {
const m = /^plugin:[^:]+:(.+)$/.exec(actor);
return m ? m[1]! : null;
}
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import { describe, expect, test } from "bun:test";
import { ApiError, request } from "../src/api.ts";
function fakeFetch(res: Response | (() => never)) {
const calls: { url: string; init: RequestInit }[] = [];
const fn = (async (url: string, init: RequestInit) => {
calls.push({ url, init });
if (typeof res === "function") return res();
return res.clone();
}) as unknown as typeof fetch;
return { fn, calls };
}
describe("request", () => {
test("throws an ApiError carrying code on a non-2xx JSON error", async () => {
const { fn } = fakeFetch(
new Response(JSON.stringify({ error: { code: "validation", message: "title: required" } }), {
status: 400,
headers: { "content-type": "application/json" },
}),
);
const err = await request("POST", "entries/quick", { body: { title: "" }, fetchImpl: fn }).catch((e) => e);
expect(err).toBeInstanceOf(ApiError);
expect(err.code).toBe("validation");
expect(err.status).toBe(400);
expect(err.message).toBe("title: required");
});
test("non-GET requests send the CSRF header, JSON and same-origin cookies", async () => {
const { fn, calls } = fakeFetch(new Response(JSON.stringify({ id: "e1" }), { status: 201 }));
const out = await request<{ id: string }>("POST", "entries/quick", { body: { title: "Dune" }, fetchImpl: fn });
expect(out).toEqual({ id: "e1" });
const { url, init } = calls[0]!;
expect(url).toBe("/api/v1/entries/quick");
const h = new Headers(init.headers);
expect(h.get("x-requested-with")).toBe("sttracker");
expect(h.get("content-type")).toBe("application/json");
expect(init.credentials).toBe("same-origin");
expect(init.body).toBe(JSON.stringify({ title: "Dune" }));
});
test("login and register also send the CSRF header and JSON content type", async () => {
const { fn, calls } = fakeFetch(new Response(JSON.stringify({ id: "u1" })));
await request("POST", "auth/login", { body: { username: "a", password: "b" }, fetchImpl: fn });
await request("POST", "history/h1/restore", { fetchImpl: fn });
for (const c of calls) {
const h = new Headers(c.init.headers);
expect(h.get("x-requested-with")).toBe("sttracker");
expect(h.get("content-type")).toBe("application/json");
}
});
test("multipart uploads send the CSRF header but let fetch set the content type", async () => {
const { fn, calls } = fakeFetch(new Response(JSON.stringify({ id: "a1" }), { status: 201 }));
const form = new FormData();
form.set("entity", "entry");
await request("POST", "attachments", { form, fetchImpl: fn });
const h = new Headers(calls[0]!.init.headers);
expect(h.get("x-requested-with")).toBe("sttracker");
expect(h.get("content-type")).toBeNull();
expect(calls[0]!.init.body).toBe(form);
});
test("GET builds the query string and skips empty values", async () => {
const { fn, calls } = fakeFetch(new Response(JSON.stringify({ items: [] })));
await request("GET", "entries", { query: { q: "dune", status: undefined, draft: true, limit: 50 }, fetchImpl: fn });
expect(calls[0]!.url).toBe("/api/v1/entries?q=dune&draft=true&limit=50");
});
test("204 resolves to undefined", async () => {
const { fn } = fakeFetch(new Response(null, { status: 204 }));
expect(await request("DELETE", "engagements/x", { fetchImpl: fn })).toBeUndefined();
});
test("a non-JSON error still becomes an ApiError", async () => {
const { fn } = fakeFetch(new Response("<html>Bad gateway</html>", { status: 502 }));
const err = await request("GET", "me", { fetchImpl: fn }).catch((e) => e);
expect(err).toBeInstanceOf(ApiError);
expect(err.code).toBe("http_502");
expect(err.status).toBe(502);
});
test("a network failure becomes an ApiError with code network", async () => {
const { fn } = fakeFetch(() => {
throw new TypeError("fetch failed");
});
const err = await request("GET", "me", { fetchImpl: fn }).catch((e) => e);
expect(err).toBeInstanceOf(ApiError);
expect(err.code).toBe("network");
expect(err.status).toBe(0);
});
});
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import { describe, expect, test } from "bun:test";
import { formatDateRange, formatPartialDate, formatRating, parsePartialDate, rollupLabel } from "../src/format.ts";
describe("formatRating", () => {
test("5 stars with halves", () => {
expect(formatRating(90, "5half")).toBe("★★★★½");
expect(formatRating(100, "5half")).toBe("★★★★★");
expect(formatRating(80, "5half")).toBe("★★★★☆");
expect(formatRating(0, "5half")).toBe("☆☆☆☆☆");
});
test("null is empty on every scale", () => {
expect(formatRating(null, "5half")).toBe("");
expect(formatRating(null, "10")).toBe("");
expect(formatRating(undefined, "100")).toBe("");
});
test("whole stars, 10 and 100 point scales", () => {
expect(formatRating(90, "5")).toBe("★★★★★");
expect(formatRating(70, "5")).toBe("★★★★☆");
expect(formatRating(90, "10")).toBe("9/10");
expect(formatRating(85, "10")).toBe("8.5/10");
expect(formatRating(73, "100")).toBe("73/100");
});
});
describe("formatPartialDate", () => {
test("renders by precision", () => {
expect(formatPartialDate({ value: "2025-03", precision: "month" })).toBe("Mar 2025");
expect(formatPartialDate({ value: "2019", precision: "year" })).toBe("2019");
expect(formatPartialDate({ value: "2026-09-14", precision: "day" })).toBe("14 Sep 2026");
expect(formatPartialDate({ value: "2026-09-04T23:30:00-05:00", precision: "day" })).toBe("4 Sep 2026");
expect(formatPartialDate({ value: "", precision: "unknown" })).toBe("");
expect(formatPartialDate(null)).toBe("");
});
});
describe("formatDateRange", () => {
test("flags dates that are not exact", () => {
expect(formatDateRange(null, { value: "2025-03", precision: "month" })).toBe("Mar 2025 (no exact date)");
expect(formatDateRange({ value: "2026-09-02", precision: "day" }, { value: "2026-09-14", precision: "day" })).toBe(
"2 Sep – 14 Sep 2026",
);
expect(formatDateRange({ value: "2025-12-30", precision: "day" }, { value: "2026-01-02", precision: "day" })).toBe(
"30 Dec 2025 – 2 Jan 2026",
);
expect(formatDateRange({ value: "2026-09-02", precision: "day" }, null)).toBe("Started 2 Sep 2026");
expect(formatDateRange(null, null)).toBe("No dates");
});
});
describe("parsePartialDate", () => {
test("accepts year, month and day, rejects the rest", () => {
expect(parsePartialDate("2019")).toEqual({ value: "2019", precision: "year" });
expect(parsePartialDate(" 2025-03 ")).toEqual({ value: "2025-03", precision: "month" });
expect(parsePartialDate("2024-02-29")).toEqual({ value: "2024-02-29", precision: "day" });
expect(parsePartialDate("2023-02-29")).toBeNull();
expect(parsePartialDate("03/04/2019")).toBeNull();
expect(parsePartialDate("")).toBeNull();
});
});
describe("rollupLabel", () => {
test("children roll up as 'season 3 of 5'", () => {
expect(rollupLabel("show", { total: 5, completed: 3 })).toBe("season 3 of 5");
expect(rollupLabel("show", { total: 5, completed: 0 })).toBe("5 seasons");
expect(rollupLabel("podcast", { total: 200, completed: 200 })).toBe("all 200 episodes");
expect(rollupLabel("book", null)).toBeNull();
});
});