Fix: fix #1675

src/UI/OpeningHours/OpeningHours.ts

@@ -289,6 +289,14 @@ export class OH {
      * rules[0].startHour // => 11
      * rules[3].endHour // => 19
      *
+     * const rules = OH.ParseRule("Mo 20:00-02:00");
+     * rules.length // => 2
+     * rules[0].weekday // => 0
+     * rules[0].startHour // => 20
+     * rules[0].endHour // => 0
+     * rules[1].weekday // => 1
+     * rules[1].startHour // => 0
+     * rules[1].endHour // => 2
      */
     public static ParseRule(rule: string): OpeningHour[] {
         try {
@@ -560,6 +568,9 @@ export class OH {
         return values
     }
 
+    /**
+     * OH.parseHHMM("12:30") // => {hours: 12, minutes: 30}
+     */
     private static parseHHMM(hhmm: string): { hours: number; minutes: number } {
         if (hhmm === undefined || hhmm == null) {
             return null
@@ -575,6 +586,10 @@ export class OH {
         return hm
     }
 
+    /**
+     * OH.ParseHhmmRanges("20:00-22:15") // => [{startHour: 20, startMinutes: 0, endHour: 22, endMinutes: 15}]
+     * OH.ParseHhmmRanges("20:00-02:15") // => [{startHour: 20, startMinutes: 0, endHour: 2, endMinutes: 15}]
+     */
     private static ParseHhmmRanges(hhmms: string): {
         startHour: number
         startMinutes: number
@@ -641,13 +656,25 @@ export class OH {
             endHour: number
             endMinutes: number
         }[]
-    ) {
+    ): {
+        weekday: number
+        startHour: number
+        startMinutes: number
+        endHour: number
+        endMinutes: number
+    }[] {
         if ((weekdays ?? null) == null || (timeranges ?? null) == null) {
             return null
         }
         const ohs: OpeningHour[] = []
         for (const timerange of timeranges) {
+            const overMidnight =
+                !(timerange.endHour === 0 && timerange.endMinutes === 0) &&
+                (timerange.endHour < timerange.startHour ||
+                    (timerange.endHour == timerange.startHour &&
+                        timerange.endMinutes < timerange.startMinutes))
             for (const weekday of weekdays) {
+                if (!overMidnight) {
                     ohs.push({
                         weekday: weekday,
                         startHour: timerange.startHour,
@@ -655,10 +682,27 @@ export class OH {
                         endHour: timerange.endHour,
                         endMinutes: timerange.endMinutes,
                     })
+                } else {
+                    ohs.push({
+                        weekday: weekday,
+                        startHour: timerange.startHour,
+                        startMinutes: timerange.startMinutes,
+                        endHour: 0,
+                        endMinutes: 0,
+                    })
+                    ohs.push({
+                        weekday: (weekday + 1) % 7,
+                        startHour: 0,
+                        startMinutes: 0,
+                        endHour: timerange.endHour,
+                        endMinutes: timerange.endMinutes,
+                    })
+                }
             }
         }
         return ohs
     }
+
     public static getMondayBefore(d) {
         d = new Date(d)
         const day = d.getDay()

src/UI/OpeningHours/OpeningHoursInput.ts

@@ -82,6 +82,7 @@ export default class OpeningHoursInput extends InputElement<string> {
         const rules = valueWithoutPrefix.data?.split(";") ?? []
         for (const rule of rules) {
             if (OH.ParsePHRule(rule) !== null) {
+                // We found the rule containing the public holiday information
                 ph = rule
                 break
             }