init

main.ts

@@ -0,0 +1,138 @@
+#!/bin/env -S deno run -A
+
+import { encodeBase64 } from "https://deno.land/std@0.222.1/encoding/base64.ts";
+import { assert } from "https://deno.land/std@0.222.1/assert/assert.ts";
+import { assertEquals } from "https://deno.land/std@0.222.1/assert/assert_equals.ts";
+import { crayon } from "https://deno.land/x/crayon@3.3.3/mod.ts";
+import { z } from "https://deno.land/x/zod@v3.22.4/mod.ts";
+
+async function main() {
+	let { token } = parse_args(Deno.args);
+	if (token === undefined) token = prompt_args();
+	const client = new ApiClient("gitlab.cri.epita.fr", token);
+	const merge_requests = await get_all_merge_requests(client);
+	const total = sum(await parallel(merge_requests, (mr) => count_in_mr(mr, client)));
+	console.log("Total 'oki'", total);
+}
+
+function parse_args(args: string[]) {
+	const [token_part] = args;
+	const token = token_part as string | undefined;
+	return { token };
+}
+
+function prompt_args() {
+	const [bl, gr] = [crayon.blue, crayon.lightBlack];
+	const message = `
+${bl("Please enter a read-allowed gitlab token :")}
+${gr("You can get one from https://gitlab.cri.epita.fr/-/user_settings/personal_access_tokens")}
+${gr("with at least the permission 'read_api', format is :")}
+${gr("> xxxxxxxxxxxxxxxxxxxx")}
+>`.trim();
+	const result = prompt(message);
+	assert(result !== null);
+	return result.trim();
+}
+
+class ApiClient {
+	url;
+	token;
+	constructor(hostname: string, token: string) {
+		this.url = `https://${hostname}`;
+		this.token = token;
+	}
+
+	async fetch(path: string) {
+		console.log(crayon.lightBlack("\tfetching", crayon.bold(path)));
+		const headers = new Headers([["PRIVATE-TOKEN", this.token]]);
+		const result = await fetch(this.url + "/" + path, { headers });
+		const parsed = await result.json();
+		return parsed as unknown;
+	}
+
+	async fetch_parse<T>(path: string, parser: z.ZodType<T>) {
+		const unkn = await this.fetch(path);
+		return parser.parse(unkn);
+	}
+
+	async fetch_parse_paginated<T>(path: string, parser: z.ZodType<T>) {
+		const result = [] as T[];
+		let page = 1;
+		while (true) {
+			const fetched = await this.fetch_parse(path + "?per_page=100&page=" + page, parser.array());
+			if (fetched.length === 0) break;
+			result.push(...fetched);
+			page += 1;
+		}
+		return result;
+	}
+}
+
+type MergeRequest = z.infer<typeof merge_request_parser>;
+const merge_request_parser = z.object({
+	iid: z.number(),
+	project_id: z.number(),
+	reviewers: z.array(z.object({
+		username: z.string(),
+	})),
+});
+
+async function get_all_merge_requests(client: ApiClient): Promise<MergeRequest[]> {
+	return await client.fetch_parse_paginated(`api/v4/merge_requests`, merge_request_parser);
+}
+
+function sum(numbers: Iterable<number>) {
+	let result = 0;
+	for (const item of numbers) result += item;
+	return result;
+}
+
+Deno.test("test_sum", () => {
+	assertEquals(sum([1, 2, 3]), 6);
+});
+
+async function parallel<I, O>(inputs: I[], operation: (item: I) => Promise<O>) {
+	const promises = [] as Promise<O>[];
+	for (const input of inputs) promises.push(operation(input));
+	return await Promise.all(promises);
+}
+
+async function count_in_mr(mr: MergeRequest, client: ApiClient) {
+	let total = 0;
+	const mr_path = `api/v4/projects/${mr.project_id}/merge_requests/${mr.iid}`;
+	const all_notes = await client.fetch_parse_paginated(`${mr_path}/notes`, note_parser);
+	for (const c of all_notes) {
+		if (!await is_relevant(c.author.username)) continue;
+		if (c.body.toLowerCase().includes("oki")) total += 1;
+	}
+	return total;
+}
+
+const note_parser = z.object({
+	body: z.string(),
+	author: z.object({
+		username: z.string(),
+	}),
+});
+
+async function hash(namespace: string) {
+	const buffer = new TextEncoder().encode(namespace);
+	const hash = await crypto.subtle.digest("SHA-512", buffer);
+	const base64 = encodeBase64(hash);
+	return base64;
+}
+
+async function is_relevant(text: string) {
+	return (await hash(text)) === relevant_hash;
+}
+
+const relevant_hash = "Qa4xy8yRPnBsQf8U2UUE7tse2u4Fi/Aqxbt" +
+	"6aq56m5ofcmCkTi8PbgMBF1OtHC6qkXDF2tz2qKprYCIAMzTSQQ==";
+
+Deno.test("encode_namespace", async () => {
+	const namespace = "CHANGEME";
+	const base64 = await hash(namespace);
+	console.log({ namespace, base64 });
+});
+
+if (import.meta.main) await main();