Add support for schedules (#137)

Reviewed-on: #137

backend/main.go

@@ -4,7 +4,9 @@ import (
 	"context"
 	"embed"
 	"errors"
+	"fmt"
 	"gitea.seeseepuff.be/seeseemelk/mysqlite"
+	"github.com/adhocore/gronx"
 	"log"
 	"net"
 	"net/http"
@@ -436,6 +438,14 @@ func createTask(c *gin.Context) {
 		return
 	}
 
+	if taskRequest.Schedule != nil {
+		valid := gronx.IsValid(*taskRequest.Schedule)
+		if !valid {
+			c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("Invalid cron schedule: %s", *taskRequest.Schedule)})
+			return
+		}
+	}
+
 	// If assigned is not nil, check if user exists
 	if taskRequest.Assigned != nil {
 		exists, err := db.UserExists(*taskRequest.Assigned)
@@ -513,6 +523,11 @@ func putTask(c *gin.Context) {
 		c.JSON(http.StatusNotFound, gin.H{"error": "Task not found"})
 		return
 	}
+	if err != nil {
+		log.Printf("Error getting task: %v", err)
+		c.JSON(http.StatusInternalServerError, gin.H{"error": ErrInternalServerError})
+		return
+	}
 
 	err = db.UpdateTask(taskId, &taskRequest)
 	if err != nil {