time picker checking greater than

Issue

I try to implement time checking but I don’t have idea how to do it.
I ‘ve 3 operation hour shop, this example operation hour:-
Operation hour 1. Open 08:30 and closed 12:30
Operation hour 2. open 14:30 and closed 17:30
Operation hour 3. open 20:30 and closed 23:30

So I want to make a checking open cannot greater than close. Operation hour 1 cannot greater than operation hour 2 and so on. this my stackblitz demo code

Can you all show me the clean method

HTML

<ion-content padding>
  <ion-row style="margin-top: 20px; ">
           
            <ion-col size="4">
                <ion-label style="color: black; ">&nbsp;</ion-label>
            </ion-col>
            <ion-col size="3">
                <ion-label class="black">Open</ion-label>
            </ion-col>
                <ion-col size="1">
                    <ion-label class="black"> &nbsp;</ion-label>
                </ion-col>
                <ion-col size="3">
                    <ion-label class="black">Close</ion-label>
                </ion-col>
        </ion-row>
        <ion-row style="margin-top: 20px; ">
           
            <ion-col size="4">
                <ion-label style="color: black; ">Hour Range 1:</ion-label>
            </ion-col>
            <ion-col size="3">
                 <ion-datetime class="date-range" displayFormat="HH:mm" [(ngModel)]="open" min="09:00" max="23:00" hourValues="1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,0 " minuteValues="0,30 " placeholder="Select time "></ion-datetime>
            </ion-col>
                <ion-col size="1">
                    <ion-label class="black"> To</ion-label>
                </ion-col>
                <ion-col size="3">
                        <ion-datetime class="date-range" (ionChange)="setDate()" displayFormat="HH:mm" [(ngModel)]="closed" min="09:00" max="23:00" hourValues="1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,0 " minuteValues="0,30 " placeholder="Select time "></ion-datetime>
                </ion-col>
        </ion-row>
        <ion-row style="margin-top: 20px; ">
           
            <ion-col size="4">
                <ion-label style="color: black; ">Hour Range 2:</ion-label>
            </ion-col>
            <ion-col size="3">
                 <ion-datetime class="date-range" (ionChange)="setDate()" displayFormat="HH:mm" pickerFormat="HH:mm" [(ngModel)]="open2" min="09:00" max="23:00" hourValues="1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,0 " minuteValues="0,30 " placeholder="Select time "></ion-datetime>
            </ion-col>
                <ion-col size="1">
                    <ion-label class="black"> To</ion-label>
                </ion-col>
                <ion-col size="3">
                        <ion-datetime class="date-range" (ionChange)="setDate()" displayFormat="HH:mm"  pickerFormat="HH:mm" [(ngModel)]="closed2" min="15:00" max="23:00" hourValues="1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,0 " minuteValues="0,30 " placeholder="Select time "></ion-datetime>
                </ion-col>
        </ion-row>
        <ion-row style="margin-top: 20px; ">
           
            <ion-col size="4">
                <ion-label style="color: black; ">Hour Range 3:</ion-label>
            </ion-col>
            <ion-col size="3">
                 <ion-datetime class="date-range" (ionChange)="setDate()" displayFormat="HH:mm" [(ngModel)]="open3" min="17:00" max="23:00" hourValues="1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,0 " minuteValues="0,30 " placeholder="Open "></ion-datetime>
            </ion-col>
                <ion-col size="1">
                    <ion-label class="black"> To</ion-label>
                </ion-col>
                <ion-col size="3">
                        <ion-datetime class="date-range" (ionChange)="setDate()" displayFormat="HH:mm" [(ngModel)]="closed3" min="09:00" max="23:00" hourValues="1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,0 " minuteValues="0,30 " placeholder="Closed "></ion-datetime>
                </ion-col>
        </ion-row>

</ion-content>

Component

setDate() {
    console.log(this.open);
  
  }

Solution

home.html

<ion-row style="margin-top: 20px; ">
            <ion-col size="4">
                <ion-label style="color: black; ">Hour Range 1:</ion-label>
            </ion-col>
            <ion-col size="3">
                 <ion-datetime class="date-range" (ionChange)="setDate(1)" displayFormat="HH:mm" [(ngModel)]="open" min="09:00" max="23:00" hourValues="1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,0 " minuteValues="0,30 " placeholder="Select time "></ion-datetime>
            </ion-col>
                <ion-col size="1">
                    <ion-label class="black"> To</ion-label>
                </ion-col>
                <ion-col size="3">
                        <ion-datetime class="date-range" (ionChange)="setDate(1)" displayFormat="HH:mm" [(ngModel)]="closed" min="09:00" max="23:00" hourValues="1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,0 " minuteValues="0,30 " placeholder="Select time "></ion-datetime>
                </ion-col>
        </ion-row>
        <ion-row style="margin-top: 20px; ">
           
            <ion-col size="4">
                <ion-label style="color: black; ">Hour Range 2:</ion-label>
            </ion-col>
            <ion-col size="3">
                 <ion-datetime class="date-range" (ionChange)="setDate(2)" displayFormat="HH:mm" pickerFormat="HH:mm" [(ngModel)]="open2" min="09:00" max="23:00" hourValues="1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,0 " minuteValues="0,30 " placeholder="Select time "></ion-datetime>
            </ion-col>
                <ion-col size="1">
                    <ion-label class="black"> To</ion-label>
                </ion-col>
                <ion-col size="3">
                        <ion-datetime class="date-range" (ionChange)="setDate(2)" displayFormat="HH:mm"  pickerFormat="HH:mm" [(ngModel)]="closed2" min="15:00" max="23:00" hourValues="1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,0 " minuteValues="0,30 " placeholder="Select time "></ion-datetime>
                </ion-col>
        </ion-row>
        <ion-row style="margin-top: 20px; ">
           
            <ion-col size="4">
                <ion-label style="color: black; ">Hour Range 3:</ion-label>
            </ion-col>
            <ion-col size="3">
                 <ion-datetime class="date-range" (ionChange)="setDate(3)" displayFormat="HH:mm" [(ngModel)]="open3" min="17:00" max="23:00" hourValues="1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,0 " minuteValues="0,30 " placeholder="Open "></ion-datetime>
            </ion-col>
                <ion-col size="1">
                    <ion-label class="black"> To</ion-label>
                </ion-col>
                <ion-col size="3">
                        <ion-datetime class="date-range" (ionChange)="setDate(3)" displayFormat="HH:mm" [(ngModel)]="closed3" min="09:00" max="23:00" hourValues="1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,0 " minuteValues="0,30 " placeholder="Closed "></ion-datetime>
                </ion-col>
        </ion-row>
`

home.ts
`
setDate(selectorNumber) {
    let minDate = new Date();
    let maxDate = new Date();
    if (selectorNumber == 1) {
      if (this.open && this.closed) {
        minDate.setHours(this.open.split(":")[0], this.open.split(":")[1], 0);
        maxDate.setHours(
          this.closed.split(":")[0],
          this.closed.split(":")[1],
          0
        );
        if (minDate > maxDate) {
          alert("Closed time is smaler then open time!!");
        }
      }
    }
    if (selectorNumber == 2) {
      if (this.open2 && this.closed2) {
        minDate.setHours(this.open2.split(":")[0], this.open2.split(":")[1], 0);
        maxDate.setHours(
          this.closed2.split(":")[0],
          this.closed2.split(":")[1],
          0
        );
        if (minDate > maxDate) {
          alert("Closed time is smaler then open time!!");
        }
      }
    }
    if (selectorNumber == 3) {
      if (this.open3 && this.closed3) {
        minDate.setHours(this.open3.split(":")[0], this.open3.split(":")[1], 0);
        maxDate.setHours(
          this.closed3.split(":")[0],
          this.closed3.split(":")[1],
          0
        );
        if (minDate > maxDate) {
          alert("Closed time is smaler then open time!!");
        }
      }
    }
  }
`

Answered By – Viral Patel

This Answer collected from stackoverflow, is licensed under cc by-sa 2.5 , cc by-sa 3.0 and cc by-sa 4.0

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