Increase send time to 20 days into the future

Author: AchoArnold

api/pkg/requests/message_send_request.go

@@ -22,7 +22,7 @@ type MessageSend struct {
 	Encrypted bool `json:"encrypted" example:"false" validate:"optional"`
 	// RequestID is an optional parameter used to track a request from the client's perspective
 	RequestID string `json:"request_id" example:"153554b5-ae44-44a0-8f4f-7bbac5657ad4" validate:"optional"`
-	// SendAt is an optional parameter used to schedule a message to be sent in the future. The time is considered to be in your profile's local timezone.
+	// SendAt is an optional parameter used to schedule a message to be sent in the future. The time is considered to be in your profile's local timezone and you can queue messages for up to 20 days (480 hours) in the future.
 	SendAt *time.Time `json:"send_at" example:"2022-06-05T14:26:09.527976+03:00" validate:"optional"`
 }
 

api/pkg/validators/bulk_message_handler_validator.go

@@ -224,8 +224,8 @@ func (v *BulkMessageHandlerValidator) validateMessages(messages []*requests.Bulk
 			result.Add("document", fmt.Sprintf("Row [%d]: The message content must be less than 1024 characters.", index+2))
 		}
 
-		if message.SendTime != nil && message.SendTime.After(time.Now().Add(24*time.Hour)) {
-			result.Add("document", fmt.Sprintf("Row [%d]: The SendTime [%s] cannot be more than 24 hours in the future.", index+2, message.SendTime.Format(time.RFC3339)))
+		if message.SendTime != nil && message.SendTime.After(time.Now().Add(420*time.Hour)) {
+			result.Add("document", fmt.Sprintf("Row [%d]: The SendTime [%s] cannot be more than 20 days (420 hours) in the future.", index+2, message.SendTime.Format(time.RFC3339)))
 		}
 	}
 	return result

api/pkg/validators/message_handler_validator.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"net/url"
 	"strings"
+	"time"
 
 	"github.com/NdoleStudio/httpsms/pkg/repositories"
 	"github.com/NdoleStudio/httpsms/pkg/services"
@@ -105,6 +106,10 @@ func (validator MessageHandlerValidator) ValidateMessageSend(ctx context.Context
 		return result
 	}
 
+	if request.SendAt != nil && request.SendAt.After(time.Now().Add(480*time.Hour)) {
+		result.Add("send_at", "the scheduled time cannot be more than 20 days (480 hours) in the future")
+	}
+
 	_, err := validator.phoneService.Load(ctx, userID, request.From)
 	if stacktrace.GetCode(err) == repositories.ErrCodeNotFound {
 		result.Add("from", fmt.Sprintf("no phone found with with 'from' number [%s]. install the android app on your phone to start sending messages", request.From))