国家中小学智慧教育平台课程视频下载 - ToB企服应用市场:ToB评测及商务社交产业平台

static async Task Main(string[] args)
{
//var courseUrl = "https://s-file-1.ykt.cbern.com.cn/zxx/api_static/tag_views/trees/sync-course.json";
var httpClient = new HttpClient();
var tagJson = await File.ReadAllTextAsync("tag.json");
var tags = JsonSerializer.Deserialize<tag_view>(tagJson);
Console.WriteLine(tags.tag_view_name);
var group = tags.tag_tree.FirstOrDefault();
var selectedTags = new List<string>();
do
{
Console.WriteLine($"请选择{group.tag_group_name}");
for (int i = 0; i < group.tags.Count; i++)
{
Console.WriteLine($"\t{i + 1}:{group.tags[i].tag_name}");
}
var readKey = Console.ReadKey();
var index = int.Parse(readKey.KeyChar.ToString());
var tag = group.tags[index - 1];
Console.WriteLine($"您选择的是{tag.tag_name}");
selectedTags.Add(tag.tag_code);
group = group.tags[index - 1].children.FirstOrDefault();
}
while (group != null);
Console.WriteLine(String.Join(',', selectedTags));
var libJson = await File.ReadAllTextAsync("libraries.json");
var libraries = JsonSerializer.Deserialize<List<librariesModel>>(libJson);
var selectedLib = libraries.FirstOrDefault(w => w.catalog_ids.Except(selectedTags).Count() == 0);
if (selectedLib == null)
{
Console.WriteLine("未找到课程");
return;
}
Console.WriteLine($"{selectedLib.title}");
var courseUrl = $"https://s-file-1.ykt.cbern.com.cn/zxx/s_course/v2/business_courses/{selectedLib.resource_id}/course_relative_infos/zh-CN.json";
var courseJson = await httpClient.GetStringAsync(courseUrl);
var course = JsonSerializer.Deserialize<course>(courseJson);
var activityUrl = $"https://s-file-1.ykt.cbern.com.cn/zxx/s_course/v2/activity_sets/{course.course_detail.activity_set_id}/fulls.json";
var activityJson = await httpClient.GetStringAsync(activityUrl);
var activity = JsonSerializer.Deserialize<activityModel>(activityJson);
var rootPath = AppDomain.CurrentDomain.BaseDirectory;
var activeSetPath = Path.Combine(rootPath, activity.activity_set_name);
if (!Directory.Exists(activeSetPath)) Directory.CreateDirectory(activeSetPath);
Console.WriteLine($"{activity.activity_set_name}");
foreach (var catalog in activity.nodes)
{
var catalogPath = Path.Combine(activeSetPath, $"{catalog.order_no}.{catalog.node_name}");
if (!Directory.Exists(catalogPath)) Directory.CreateDirectory(catalogPath);
Console.WriteLine($"{catalog.order_no}.{catalog.node_name}");
foreach (var active in catalog.child_nodes)
{
//var activePath = Path.Combine(catalogPath, $"{active.order_no}.{active.node_name}");
//if (!Directory.Exists(activePath)) Directory.CreateDirectory(activePath);
var mp4Path= Path.Combine(catalogPath, $"{active.order_no}.{active.node_name}.mp4");
if (File.Exists(mp4Path)) continue;
var resourceUrl = $"https://s-file-1.ykt.cbern.com.cn/zxx/s_course/v1/x_class_hour_activity/{active.node_id}/resources.json";
var resourceJson = await httpClient.GetStringAsync(resourceUrl);
var listResource = JsonSerializer.Deserialize<List<resourcesModel>>(resourceJson);
var resource = listResource.FirstOrDefault(w => w.resource_type == "video");
var videoUrl = resource.video_extend.urls.Last().urls.FirstOrDefault();
Console.WriteLine($"{Environment.NewLine}{active.node_name}{Environment.NewLine}{videoUrl}");
var fileName = $"{active.order_no}.{active.node_name}";
var dlargs = $""{videoUrl}" --workDir "{catalogPath}" --saveName "{fileName}" --enableDelAfterDone ";
ProcessStartInfo dlProcessInfo = new ProcessStartInfo(Path.Combine(rootPath, "N_m3u8DL-CLI_v3.0.1.exe"), dlargs);
//dlProcessInfo.CreateNoWindow = true;
dlProcessInfo.WorkingDirectory = rootPath;
var p = new Process();
p.StartInfo = dlProcessInfo;
p.Start();
await p.WaitForExitAsync();
}
}
Console.WriteLine("下载完成,按任意键结束");
Console.ReadKey();
}

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