From 2051daa1f41edd371f13844a08ee1e8463c03fe8 Mon Sep 17 00:00:00 2001
From: dlimyy <douglas.lim.yy@gmail.com>
Date: Wed, 6 Sep 2023 21:32:58 +0800
Subject: [PATCH] Fix submission opening time bug

---
 .../session-edit-form.component.html          |  2 +-
 .../session-edit-form.component.ts            | 29 +++++++++++++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/src/web/app/components/session-edit-form/session-edit-form.component.html b/src/web/app/components/session-edit-form/session-edit-form.component.html
index ea8d26cf803..7f7a7f9e435 100644
--- a/src/web/app/components/session-edit-form/session-edit-form.component.html
+++ b/src/web/app/components/session-edit-form/session-edit-form.component.html
@@ -135,7 +135,7 @@ <h5>Or</h5>
             </div>
             <div class="row text-center align-items-center">
               <div id="submission-start-date" class="col-md-7 col-xs-center">
-                <tm-datepicker [isDisabled]="!model.isEditable" (dateChangeCallback)="triggerModelChange('submissionStartDate', $event)"
+                <tm-datepicker [isDisabled]="!model.isEditable" (dateChangeCallback)="triggerSubmissionOpeningDateModelChange('submissionStartDate', $event)"
                                [minDate]="minDateForSubmissionStart" [maxDate]="maxDateForSubmissionStart"
                                [date]="model.submissionStartDate"></tm-datepicker>
               </div>
diff --git a/src/web/app/components/session-edit-form/session-edit-form.component.ts b/src/web/app/components/session-edit-form/session-edit-form.component.ts
index 1a90937b16e..19362f13041 100644
--- a/src/web/app/components/session-edit-form/session-edit-form.component.ts
+++ b/src/web/app/components/session-edit-form/session-edit-form.component.ts
@@ -134,6 +134,35 @@ export class SessionEditFormComponent {
     });
   }
 
+  /**
+   * Triggers the change of the model when the submission opening date changes.
+   */
+  triggerSubmissionOpeningDateModelChange(field: string, date: DateFormat): void {
+    const minDate: DateFormat = this.minDateForSubmissionStart;
+    if (JSON.stringify(minDate) === JSON.stringify(date)) {
+      const minTime: TimeFormat = this.minTimeForSubmissionStart;
+      this.configureSubmissionOpeningTime(minTime);
+      this.model.submissionStartTime = minTime;
+    }
+    this.modelChange.emit({
+      ...this.model,
+      [field]: date,
+    });
+  }
+
+  /**
+   * Configures the time for the submission opening time.
+   */
+  configureSubmissionOpeningTime(time : TimeFormat) : void {
+    if (time.hour < 24 && time.minute > 0) {
+      // Case where minutes is not 0 since the earliest time with 0 minutes is the hour before
+      time.hour += 1;
+      time.minute = 0;
+    } else if (time.hour === 23 && time.minute > 0) {
+      time.minute = 59;
+    }
+  }
+
   /**
    * Handles course Id change event.
    *