Add some checks

src/stores/schedule.ts

@@ -17,6 +17,11 @@ import {
 import { AppwriteIds, databases } from 'src/boot/appwrite';
 import { ID, Models } from 'appwrite';
 
+export type Interval = {
+  start: string;
+  end: string;
+};
+
 export function arrayToTimeTuples(arr: string[]) {
   const timeTuples: TimeTuple[] = [];
   for (let i = 0; i < arr.length; i += 2) {
@@ -25,6 +30,33 @@ export function arrayToTimeTuples(arr: string[]) {
   return timeTuples;
 }
 
+export function timeTuplesOverlapped(tuples: TimeTuple[]): Interval[] {
+  return blocksOverlapped(
+    tuples.map((tuples) => {
+      return {
+        start: '01/01/2001 ' + tuples[0],
+        end: '01/01/2001 ' + tuples[1],
+      };
+    })
+  ).map((t) => {
+    return { start: t.start.split(' ')[1], end: t.end.split(' ')[1] };
+  });
+}
+
+export function blocksOverlapped(blocks: Timeblock[] | Interval[]): Interval[] {
+  return Array.from(
+    new Set(
+      blocks
+        .sort((a, b) => Date.parse(a.start) - Date.parse(b.start))
+        .reduce((acc: Interval[], block, i, arr) => {
+          if (i > 0 && block.start < arr[i - 1].end)
+            acc.push(arr[i - 1], block);
+          return acc;
+        }, [])
+    )
+  );
+}
+
 export function buildTimeBlock(
   resource: Boat,
   time: TimeTuple,