firefish/packages/backend/src/server/api/mastodon/endpoints/search.ts

import Router from "@koa/router";
import { getClient } from "../ApiMastodonCompatibleService.js";
import axios from "axios";
import Converter from "megalodon";
import { convertTimelinesArgsId, limitToInt } from "./timeline.js";
import { convertAccount, convertStatus } from "../converters.js";

export function apiSearchMastodon(router: Router): void {
	router.get("/v1/search", async (ctx) => {
		const BASE_URL = `${ctx.request.protocol}://${ctx.request.hostname}`;
		const accessTokens = ctx.request.headers.authorization;
		const client = getClient(BASE_URL, accessTokens);
		const body: any = ctx.request.body;
		try {
			const query: any = convertTimelinesArgsId(limitToInt(ctx.query));
			const type = query.type || "";
			const data = await client.search(query.q, type, query);
			ctx.body = data.data;
		} catch (e: any) {
			console.error(e);
			ctx.status = 401;
			ctx.body = e.response.data;
		}
	});
	router.get("/v2/search", async (ctx) => {
		const BASE_URL = `${ctx.request.protocol}://${ctx.request.hostname}`;
		const accessTokens = ctx.headers.authorization;
		const client = getClient(BASE_URL, accessTokens);
		try {
			const query: any = convertTimelinesArgsId(limitToInt(ctx.query));
			const type = query.type;
			const acct =
				!type || type === "accounts"
					? await client.search(query.q, "accounts", query)
					: null;
			const stat =
				!type || type === "statuses"
					? await client.search(query.q, "statuses", query)
					: null;
			const tags =
				!type || type === "hashtags"
					? await client.search(query.q, "hashtags", query)
					: null;

			ctx.body = {
				accounts:
					acct?.data?.accounts.map((account) => convertAccount(account)) ?? [],
				statuses:
					stat?.data?.statuses.map((status) => convertStatus(status)) ?? [],
				hashtags: tags?.data?.hashtags ?? [],
			};
		} catch (e: any) {
			console.error(e);
			ctx.status = 401;
			ctx.body = e.response.data;
		}
	});
	router.get("/v1/trends/statuses", async (ctx) => {
		const BASE_URL = `${ctx.request.protocol}://${ctx.request.hostname}`;
		const accessTokens = ctx.headers.authorization;
		try {
			const data = await getHighlight(
				BASE_URL,
				ctx.request.hostname,
				accessTokens,
			);
			ctx.body = data.map((status) => convertStatus(status));
		} catch (e: any) {
			console.error(e);
			ctx.status = 401;
			ctx.body = e.response.data;
		}
	});
	router.get("/v2/suggestions", async (ctx) => {
		const BASE_URL = `${ctx.request.protocol}://${ctx.request.hostname}`;
		const accessTokens = ctx.headers.authorization;
		try {
			const query: any = ctx.query;
			let data = await getFeaturedUser(
				BASE_URL,
				ctx.request.hostname,
				accessTokens,
				query.limit || 20,
			);
			data = data.map((suggestion) => {
				suggestion.account = convertAccount(suggestion.account);
				return suggestion;
			});
			console.log(data);
			ctx.body = data;
		} catch (e: any) {
			console.error(e);
			ctx.status = 401;
			ctx.body = e.response.data;
		}
	});
}
async function getHighlight(
	BASE_URL: string,
	domain: string,
	accessTokens: string | undefined,
) {
	const accessTokenArr = accessTokens?.split(" ") ?? [null];
	const accessToken = accessTokenArr[accessTokenArr.length - 1];
	try {
		const api = await axios.post(`${BASE_URL}/api/notes/featured`, {
			i: accessToken,
		});
		const data: MisskeyEntity.Note[] = api.data;
		return data.map((note) => new Converter(BASE_URL).note(note, domain));
	} catch (e: any) {
		console.log(e);
		console.log(e.response.data);
		return [];
	}
}
async function getFeaturedUser(
	BASE_URL: string,
	host: string,
	accessTokens: string | undefined,
	limit: number,
) {
	const accessTokenArr = accessTokens?.split(" ") ?? [null];
	const accessToken = accessTokenArr[accessTokenArr.length - 1];
	try {
		const api = await axios.post(`${BASE_URL}/api/users`, {
			i: accessToken,
			limit,
			origin: "local",
			sort: "+follower",
			state: "alive",
		});
		const data: MisskeyEntity.UserDetail[] = api.data;
		console.log(data);
		return data.map((u) => {
			return {
				source: "past_interactions",
				account: new Converter(BASE_URL).userDetail(u, host),
			};
		});
	} catch (e: any) {
		console.log(e);
		console.log(e.response.data);
		return [];
	}
}