コード例 #1
0
        public IHttpActionResult PostAddItem(NewItem item)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest("Invalid data."));
            }

            GeocachesEntities db = new GeocachesEntities();

            // We want to check that there is an existing geocache matching either the name or id given
            // Both the geocache name and id cannot be null, otherwise we cannot add it to any geocache
            if (item.geocacheID == null && item.geocacheName == null)
            {
                return(BadRequest("Both geocache name and geocache id cannot be null."));
            }

            // Get a guid that either matches to geocache ID or geocache name
            var guidQuery = db.Geocaches.Where(g => (g.id == item.geocacheID || g.name.Equals(item.geocacheName))).Select(g => g.id);

            if (guidQuery.Count() > 1)
            {
                return(BadRequest("Entered a geocache id and geocache name that do not match to same geoecache."));
            }

            Guid guid = guidQuery.FirstOrDefault();

            if (guid == Guid.Empty)
            {
                return(BadRequest("Both geocache name and geocache id are not valid."));
            }

            // Check if the name matches the requirements
            Regex matcher = new Regex("^([A-Za-z0-9 ]){1,50}$");

            if (item.name == null || !matcher.IsMatch(item.name))
            {
                return(BadRequest("Name must be composed of alphanumeric or space characters. Maximum length of 50."));
            }

            // Check if name previously exists
            if (db.Items.Where(i => i.name.Equals(item.name)).Any())
            {
                return(BadRequest("Item name already exists."));
            }

            db.Items.Add(new Items()
            {
                id          = Guid.NewGuid(),
                name        = item.name,
                geocache_id = guid,
                start_time  = item.startTime,
                end_time    = item.endTime
            });
            db.SaveChanges();
            db.Dispose();

            return(Ok());
        }
コード例 #2
0
        public IHttpActionResult PostMoveItem([FromBody] MovableItem item)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest("Invalid data."));
            }

            GeocachesEntities db = new GeocachesEntities();

            // Users can identify an item either by its id or its name. Both options, however, cannot be null
            if (item.id == null && item.name == null)
            {
                return(BadRequest("Both item id and name cannot be null."));
            }

            // We will use this query later, so save it. We are checking if there any items that match the name or id
            var query = db.Items.Where(i => (i.id == item.id || i.name.Equals(item.name)));

            if (!query.Any())
            {
                return(BadRequest("Both item id and name are invalid."));
            }

            if (query.Count() > 1)
            {
                return(BadRequest("Entered an item id and name that do not match to the same item."));
            }

            // Active items don't have an end time
            if (!query.Where(i => i.end_time == null).Any())
            {
                return(BadRequest("Only active items can be moved."));
            }

            // We want to check that there is an existing geocache matching either the name or id given
            // Both the geocache name and id cannot be null, otherwise we cannot add it to any geocache
            if (item.geocacheName == null && item.geocacheID == null)
            {
                return(BadRequest("Both geocache name and geocache id cannot be null."));
            }

            // Get a guid that either matches to geocache ID or geocache name
            var guidQuery = db.Geocaches.Where(g => (g.id == item.geocacheID || g.name.Equals(item.geocacheName))).Select(g => g.id);

            if (guidQuery.Count() > 1)
            {
                return(BadRequest("Entered a geocache id and geocache name that do not match to same geoecache."));
            }

            Guid guid = guidQuery.FirstOrDefault();

            if (guid == Guid.Empty)
            {
                return(BadRequest("Both geocache name and geocache id are not valid."));
            }

            // Check how many items are in the specific geocache. If it is more than 3, then we cannot
            // add any more items
            if (db.Items.Where(i => i.geocache_id == guid).Count() >= 3)
            {
                return(BadRequest("Cannot move item to desired geocache because there are already 3+ items in there."));
            }


            // There should only be a single result anyways bc both the id and the name must be unique
            var result = query.Single();

            result.geocache_id = guid;
            db.SaveChanges();
            db.Dispose();

            return(Ok());
        }