Refactored functionality for all time date range.

lib/clickhouse.ts

@@ -122,7 +122,7 @@ async function findUnique(data) {
     throw `${data.length} records found when expecting 1.`;
   }
 
-  return data[0] ?? null;
+  return findFirst(data);
 }
 
 async function findFirst(data) {

lib/query.ts

@@ -7,12 +7,15 @@ export async function parseDateRangeQuery(req: NextApiRequest) {
 
   // All-time
   if (+startAt === 0 && +endAt === 1) {
-    const { min, max } = await getWebsiteDateRange(websiteId as string);
+    const result = await getWebsiteDateRange(websiteId as string);
+    const { min, max } = result[0];
+    const startDate = new Date(min);
+    const endDate = new Date(max);
 
     return {
-      startDate: min,
-      endDate: max,
-      unit: getMinimumUnit(min, max),
+      startDate,
+      endDate,
+      unit: getMinimumUnit(startDate, endDate),
     };
   }
 

lib/types.ts

@@ -137,3 +137,10 @@ export interface RealtimeUpdate {
   events: any[];
   timestamp: number;
 }
+
+export interface DateRange {
+  startDate: Date;
+  endDate: Date;
+  unit: string;
+  value: string;
+}