chore: rename aelis to freya (#122)

apps/freya-backend/src/weather/provider.ts

@@ -0,0 +1,47 @@
+import { WeatherSource, type WeatherSourceOptions } from "@freya/source-weatherkit"
+import { type } from "arktype"
+
+import type { FeedSourceProvider } from "../session/feed-source-provider.ts"
+
+export interface WeatherSourceProviderOptions {
+	credentials: WeatherSourceOptions["credentials"]
+	client?: WeatherSourceOptions["client"]
+}
+
+export const weatherConfig = type({
+	"+": "reject",
+	"units?": "'metric' | 'imperial'",
+	"hourlyLimit?": "number",
+	"dailyLimit?": "number",
+})
+
+export class WeatherSourceProvider implements FeedSourceProvider {
+	readonly sourceId = "freya.weather"
+	readonly configSchema = weatherConfig
+	private readonly credentials: WeatherSourceOptions["credentials"]
+	private readonly client: WeatherSourceOptions["client"]
+
+	constructor(options: WeatherSourceProviderOptions) {
+		this.credentials = options.credentials
+		this.client = options.client
+	}
+
+	async feedSourceForUser(
+		_userId: string,
+		config: unknown,
+		_credentials: unknown,
+	): Promise<WeatherSource> {
+		const parsed = weatherConfig(config)
+		if (parsed instanceof type.errors) {
+			throw new Error(`Invalid weather config: ${parsed.summary}`)
+		}
+
+		return new WeatherSource({
+			credentials: this.credentials,
+			client: this.client,
+			units: parsed.units,
+			hourlyLimit: parsed.hourlyLimit,
+			dailyLimit: parsed.dailyLimit,
+		})
+	}
+}