enable looping so the script can handle scheduling

Start-DoneTickNotifier.ps1

@@ -3,6 +3,7 @@
 [string] $dtAPIKey = $ENV:DONETICKAPIKEY
 [string] $appriseWebhookURL = $ENV:APPRISEWEBHOOKURL
 [string] $appriseWebhookTag = $ENV:APPRISEWEBHOOKTAG
+[int[]]  $notificationTimes = $ENV:NOTIFICATIONTIMES | Sort-Object
 
 
 function Send-Notification
@@ -50,14 +51,15 @@ function Get-Chores
     }
 }
 
-$today = (Get-Date "23:59:59")
-$chores = Get-Chores
+while ($true) {
+    $today = (Get-Date "23:59:59")
+    $chores = Get-Chores
     
-$overdueTasks = @()
-$todaysTasks = @()
+    $overdueTasks = @()
+    $todaysTasks = @()
     
-foreach($chore in $chores)
-{
+    foreach($chore in $chores)
+    {
         if ($chore.nextDueDate)
         {
             $dueDate = Get-Date $chore.nextDueDate
@@ -78,10 +80,10 @@ foreach($chore in $chores)
             }
         }
     
-}
+    }
     
-if ($overdueTasks.Count -ne 0)
-{
+    if ($overdueTasks.Count -ne 0)
+    {
         Write-Host "Sending a notification for $($overdueTasks.Count) overdue tasks"
         $content = "The following tasks are overdue!`n"
         foreach($overdueTask in $overdueTasks)
@@ -89,10 +91,10 @@ if ($overdueTasks.Count -ne 0)
             $content += "$($overdueTask.Name) was due $(Get-Date $overdueTask.nextDueDate -Format "MM/dd/yyyy HH:mm")`n"
         }
         Send-Notification -title "OVERDUE TASKS" -content $content
-}
+    }
     
-if ($todaysTasks.Count -ne 0)
-{
+    if ($todaysTasks.Count -ne 0)
+    {
         Write-Host "Sending a notification for $($todaysTasks.Count) tasks due today"
         $content = "The following tasks are due today!`n"
         foreach($task in $todaysTasks)
@@ -100,4 +102,20 @@ if ($todaysTasks.Count -ne 0)
             $content += "$($task.Name) is due $(Get-Date $task.nextDueDate -Format "MM/dd/yyyy HH:mm")`n"
         }
         Send-Notification -title "TODAY'S TASKS" -content $content
+    }
+
+    Write-Host "Finding next notification time..."
+    foreach($time in $notificationTimes)
+    {
+        $now = Get-Date
+        $diff = $now.Hour - $time
+        if ($diff -lt 0) # next notification time
+        {
+            Write-Host "Next notification time is $time`:00"
+            $sleepTime = ($diff * -1) * 60
+            Write-Host "Sleeping for $sleepTime seconds"
+            Start-Sleep -Seconds $sleepTime
+            continue # leave loop
+        }
+    }
 }

docker-compose.yaml

@@ -10,3 +10,4 @@ services:
       - DONETICKAPIKEY=adminpass # donetick API key
       - APPRISEWEBHOOKURL=https://apprisehost/notify/config # apprise notification url
       - APPRISEWEBHOOKTAG=all # apprise notification tag
+      - NOTIFICATIONTIMES=8,12,17 # hours when notifications will be sent