Ejemplo n.º 1
0
        public async Task <FoodDescription> UpdateOrAddFoodDescriptionAsync(IWorkUnit workUnit, FoodDescription foodDescription)
        {
            if (workUnit == null)
            {
                throw new ArgumentNullException("workUnit");
            }

            if (foodDescription == null)
            {
                throw new ArgumentNullException("foodDescription");
            }

            var exists = await workUnit.Collection <FoodDescription>()
                         .Select(f => f.Id)
                         .FirstOrDefaultAsync(n => n == foodDescription.Id);

            workUnit.GetContext <FoodContext>().Entry(foodDescription).State =
                exists == null ? EntityState.Added : EntityState.Modified;

            return(foodDescription);
        }
        public async Task<FoodDescription> UpdateOrAddFoodDescriptionAsync(IWorkUnit workUnit, FoodDescription foodDescription)
        {
            if (workUnit == null)
            {
                throw new ArgumentNullException("workUnit");
            }

            if (foodDescription == null)
            {
                throw new ArgumentNullException("foodDescription");
            }

            var exists = await workUnit.Collection<FoodDescription>()
                .Select(f => f.Id)
                .FirstOrDefaultAsync(n => n == foodDescription.Id);

            workUnit.GetContext<FoodContext>().Entry(foodDescription).State =
                exists == null ? EntityState.Added : EntityState.Modified;

            return foodDescription;
        }
Ejemplo n.º 3
0
        public async Task <bool> DeleteFoodDescriptionAsync(IWorkUnit workUnit, string id)
        {
            if (string.IsNullOrWhiteSpace(id))
            {
                throw new ArgumentNullException("id");
            }

            if (workUnit == null)
            {
                throw new ArgumentNullException("workUnit");
            }

            var ctx      = workUnit.GetContext <FoodContext>();
            var foodItem = await ctx.FoodDescriptions.FirstOrDefaultAsync(
                f => f.Id == id);

            if (foodItem != null)
            {
                ctx.Entry(foodItem).State = EntityState.Deleted;
            }

            return(true);
        }
        public async Task<bool> DeleteFoodDescriptionAsync(IWorkUnit workUnit, string id)
        {
            if (string.IsNullOrWhiteSpace(id))
            {
                throw new ArgumentNullException("id");
            }

            if (workUnit == null)
            {
                throw new ArgumentNullException("workUnit");
            }

            var ctx = workUnit.GetContext<FoodContext>();
            var foodItem = await ctx.FoodDescriptions.FirstOrDefaultAsync(
                f => f.Id == id);

            if (foodItem != null)
            {
                ctx.Entry(foodItem).State = EntityState.Deleted;
            }

            return true;
        }