Verbrauchsausweis Basisfunktionalität

src/pages/api/climate_factor/index.ts

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+import type { APIRoute } from "astro";
+import moment from "moment";
+import { ActionFailedError, InvalidDataError, MissingPropertyError, error, success } from "src/lib/APIResponse";
+import { getClimateFactor } from "src/lib/Klimafaktoren/getClimateFactor";
+
+export const get: APIRoute = async function({ request }) {
+	const body = Object.fromEntries(new URLSearchParams(request.url.split("?")[1]))
+
+	if (!body.start || !body.end) {
+		return MissingPropertyError(["start", "end"]);
+	}
+
+	let accuracy = body.accuracy || "months";
+
+	if (accuracy !== "months" && accuracy !== "years") {
+		return error(["Accuracy must be either 'months' or 'years'."])
+	}
+
+	if (!body.zip) {
+		return error(["Invalid ZIP Code, must be 4 or 5 characters long."])
+	}
+
+	let start = moment(body.start);
+	let end = moment(body.end);
+	
+	if (!start.isValid()) {
+		return error(["Invalid start date given."]);
+	}
+
+	if (!end.isValid()) {
+		return error(["Invalid end date given."]);
+	}
+
+	if (start.isSameOrAfter(end)) {
+		return error(["Start date not before end date."])
+	}
+
+	const intervals = [];
+	
+	let currentDate = start.clone();
+	while (currentDate.isSameOrBefore(end)) {
+		let copy = currentDate.clone();
+		intervals.push(copy);
+		currentDate.add(1, accuracy);
+	}
+
+	const climateFactors = await getClimateFactor(intervals, body.zip);
+
+	if (!climateFactors) {
+		return ActionFailedError();
+	}
+
+	return success(climateFactors);
+}