fix(activity): use anilist offset

1 files changed, 47 insertions, 9 deletions

diff --git a/src/lib/AniList/activity.ts b/src/lib/AniList/activity.ts
index 01c1010b..926e8fe6 100644
--- a/src/lib/AniList/activity.ts
+++ b/src/lib/AniList/activity.ts
@@ -6,6 +6,20 @@ export interface ActivityHistoryEntry {
 	amount: number;
 }
 
+interface ActivityHistoryOptions {
+	stats: {
+		activityHistory: ActivityHistoryEntry[];
+	};
+	options: {
+		timezone: string;
+	};
+}
+
+interface LastActivity {
+	date: Date;
+	timezone: string;
+}
+
 export const fillMissingDays = (
 	inputActivities: ActivityHistoryEntry[],
 	startOfYear = false,
@@ -63,36 +77,60 @@ const fillDateRange = (
 	return outputActivities;
 };
 
-export const activityHistory = async (
-	userIdentity: UserIdentity
-): Promise<ActivityHistoryEntry[]> => {
+export const activityHistoryOptions = async (
+	userIdentity: UserIdentity,
+	authorisation?: AniListAuthorisation
+): Promise<ActivityHistoryOptions> => {
 	return (
 		await (
 			await fetch('https://graphql.anilist.co', {
 				method: 'POST',
 				headers: {
 					'Content-Type': 'application/json',
-					Accept: 'application/json'
+					Accept: 'application/json',
+					...(authorisation
+						? { Authorization: `${authorisation.tokenType} ${authorisation.accessToken}` }
+						: {})
 				},
 				body: JSON.stringify({
 					query: `{ User(id: ${userIdentity.id}) {
 					stats { activityHistory { date amount } }
+					${authorisation ? 'options { timezone }' : ''}
         } }`
 				})
 			})
 		).json()
-	)['data']['User']['stats']['activityHistory'];
+	)['data']['User'];
 };
 
-export const lastActivityDate = async (userIdentity: UserIdentity): Promise<Date> => {
-	const history = await activityHistory(userIdentity);
+const convertToTimezoneOffset = (timeStr: string) => {
+	const [hours, minutes] = timeStr.split(':');
+	let totalMinutes = parseInt(hours, 10) * 60 + parseInt(minutes, 10);
+
+	totalMinutes = -totalMinutes;
+
+	return totalMinutes;
+};
+
+export const activityHistory = async (
+	userIdentity: UserIdentity,
+	authorisation?: AniListAuthorisation
+): Promise<ActivityHistoryEntry[]> =>
+	(await activityHistoryOptions(userIdentity, authorisation)).stats.activityHistory;
+
+export const lastActivityDate = async (
+	userIdentity: UserIdentity,
+	authorisation: AniListAuthorisation
+): Promise<LastActivity> => {
+	const history = await activityHistoryOptions(userIdentity, authorisation);
 	const date = new Date(
-		Number(history[history.length - 1]['date']) * 1000 + new Date().getTimezoneOffset()
+		Number(history.stats.activityHistory[history.stats.activityHistory.length - 1].date) * 1000 +
+			convertToTimezoneOffset(history.options.timezone)
 	);
 
 	date.setDate(date.getDate() + 1);
 
-	return date;
+	return { date, timezone: history.options.timezone };
 };
 
 export interface ActivitiesPage {