public bool ChapterIsUnlocked(ChapterViewModel chapter)
 {
     foreach (var stage in chapter.Stages) {
         if (stage.IsLocked == false)
             return true;
     }
     return false;
 }
		private void CreateXML() {
			var fileNames = new List<string> {
                    "Animal01",
                    "Animal02",
                    "Animal03",
                    "Animal04",
                    "Animal05",
                    "Animal06",
                    "Animal07",
                    "Animal08",
                    "Animal09",
                    "Animal10",
                    "Animal11",
                    "Animal12",
                    "Animal13",
                    "Animal14",
                    "Animal15",
                    "Animal16",
                    "Animal17",
                    "Animal18",
                    "Animal19",
                    "Animal20",
                    "Animal21",
                    "Animal22",
                    "Animal23",
                    "Animal24",
                    "Animal25",
                    "Animal26",
                    "Animal27",
                    "Animal28",
                    "Animal29",
                    "Animal30",
                    "Animal31",
                    "Animal32",
                    "Animal33",
                    "Animal34",
                    "Animal35",
                    "Animal36",
                    "Animal37",
                    "Animal38",
                    "Animal39",
                    "Animal40",
                    "Animal41",
                    "Animal42",
                    "Animal43",
                    "Animal44",
                    "Animal45",
                    "Animal46",
                    "Animal47",
                    "Animal48",
                    "Animal49",
                    "Animal50",
                    "Animal51",
                    "Animal52"
                };

			var cl = new List<ChapterViewModel>();
			var lastStageId = Guid.Empty;
			const int stagesPerChapter = 6;
			ChapterViewModel currentChapter = null;
			for (var i = 0; i < fileNames.Count; i++) {
				if (i % stagesPerChapter == 0) {
					currentChapter = new ChapterViewModel { Name = "Chapter " + i, Stages = new List<StageViewModel>() };
					cl.Add(currentChapter);
				}
				if (currentChapter != null) {
					var stage = new StageViewModel {
						Name = fileNames[i],
						GameFile = string.Format("https://photohunt.blob.core.windows.net/animal/{0}.zip", fileNames[i]),
						StageId = Guid.NewGuid(),
						Thumbnail = string.Format("https://photohunt.blob.core.windows.net/animal/thumbnails/{0}.jpg", fileNames[i]),
						GameEffect = Effect.None,
						Prerequisites = lastStageId
					};
					currentChapter.Stages.Add(stage);
					lastStageId = stage.StageId;
				}
			}

			var xmlSerializer = new XmlSerializer(typeof(List<ChapterViewModel>));
			var textWriter = new StringWriter();

			xmlSerializer.Serialize(textWriter, cl);
			var result = textWriter.ToString();
		}
        private void CreateSampleData()
        {
            var fileNames = new List<string>
                {
                    "Animal01",
                    "Animal02",
                    "Animal03",
                    "Animal04",
                    "Animal05",
                    "Animal06",
                    "Animal07",
                    "Animal08",
                    "Animal09",
                    "Animal10",
                    "Animal11",
                    "Animal12",
                    "Animal13",
                    "Animal14",
                    "Animal15",
                    "Animal16",
                    "Rio01",
                    "Rio02",
                    "Rio03",
                    "Rio04",
                    "Rio05",
                    "Rio06",
                    "Rio07",
                    "Rio08",
                    "Rio09"
                };

            var cl = new List<ChapterViewModel>();
            var lastStageId = Guid.Empty;
            const int stagesPerChapter = 6;

            ChapterViewModel currentChapter = null;

            for (var i = 0; i < fileNames.Count; i++)
            {
                if (i%stagesPerChapter == 0)
                {
                    currentChapter = new ChapterViewModel {Name = "Chapter " + i, Stages = new List<StageViewModel>()};
                    cl.Add(currentChapter);
                }
                if (currentChapter != null)
                {
                    var stage = new StageViewModel
                        {
                            Name = fileNames[i],
                            GameFile = string.Format("https://appusage.blob.core.windows.net/photohuntinfinity/{0}.zip", fileNames[i]),
                            StageId = Guid.NewGuid(),
                            Thumbnail = "https://appusage.blob.core.windows.net/photohuntav1/Intro%20Video%201_icon.jpg",
                            GameEffect = Effect.None,
                            Prerequisites = lastStageId
                        };
                    currentChapter.Stages.Add(stage);
                    lastStageId = stage.StageId;
                }
            }

            var xmlSerializer = new XmlSerializer(typeof(List<ChapterViewModel>));
            var textWriter = new StringWriter();

            xmlSerializer.Serialize(textWriter, cl);
            var result = textWriter.ToString();
        }