private static async Task SaveVideoRecord(string storageBasePath, VideoRecord videoRecord)
{
List <VideoRecord> allVideos;
var videoRecordPath = Path.Combine(storageBasePath, "videos.json");
if (File.Exists(videoRecordPath))
{
var jsonText = await File.ReadAllTextAsync(videoRecordPath);
allVideos = JsonConvert.DeserializeObject <List <VideoRecord> >(jsonText);
}
else
{
allVideos = new List <VideoRecord>();
}
allVideos.Add(videoRecord);
await File.WriteAllTextAsync(videoRecordPath, JsonConvert.SerializeObject(allVideos));
}
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
var storageBasePath = Path.Combine(Directory.GetCurrentDirectory(), "storage");
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
app.UseRouting();
app.UseEndpoints(endpoints =>
{
endpoints.MapGet("/", async context =>
{
await using var indexStream = typeof(Startup).Assembly.GetManifestResourceStream("VideoGallery.index.html");
var indexContent = new StreamReader(indexStream).ReadToEnd();
context.Response.ContentType = "text/html";
await context.Response.WriteAsync(indexContent);
});
endpoints.MapGet("/videos", async context =>
{
context.Response.ContentType = "application/json";
var videoRecordPath = Path.Combine(storageBasePath, "videos.json");
if (!File.Exists(videoRecordPath))
{
await context.Response.WriteAsync("[]");
return;
}
var videoRecordContent = await File.ReadAllTextAsync(videoRecordPath);
var videos = JsonConvert.DeserializeObject <List <VideoRecord> >(videoRecordContent);
foreach (var videoRecord in videos)
{
var durationFile = Path.Combine(storageBasePath, "duration", videoRecord.id + ".txt");
if (File.Exists(durationFile))
{
videoRecord.duration = int.Parse(File.ReadAllText(durationFile));
}
}
await context.Response.WriteAsync(JsonConvert.SerializeObject(videos));
});
endpoints.MapGet("/gif", async context =>
{
var videoId = context.Request.Query["video"].Single();
var mappedPath = Path.Combine(storageBasePath, "gif", $"{videoId}.gif");
if (!File.Exists(mappedPath))
{
context.Response.StatusCode = (int)HttpStatusCode.NotFound;
return;
}
context.Response.Headers.Add("Cache-Control", "max-age=86400; public");
context.Response.ContentType = "image/gif";
await context.Response.SendFileAsync(mappedPath);
});
endpoints.MapPost("/upload", async context =>
{
var videoId = Guid.NewGuid().ToString("N");
await SaveVideoContent(storageBasePath, videoId, context);
var videoRecord = new VideoRecord()
{
id = videoId,
title = "Video " + videoId.Substring(0, 8)
};
await SaveVideoRecord(storageBasePath, videoRecord);
context.Response.StatusCode = (int)HttpStatusCode.Created;
await context.Response.WriteAsync(JsonConvert.SerializeObject(videoRecord));
});
});
}