Allow download of original file for video.

Author: Manfred

src/teletube/cli.cr

@@ -71,6 +71,8 @@ module Teletube
           @client.create_file
         when "upload"
           @client.upload_file
+        when "download"
+          @client.download_file
         else
           @client.get_files
         end

src/teletube/client.cr

@@ -154,6 +154,24 @@ module Teletube
       handle_response(@http.get(path: "/api/v1/videos/#{@context.params["video_id"]}/files"))
     end
 
+    def download_file
+      response = @http.get(path: "/api/v1/videos/#{@context.params["video_id"]}/files")
+      STDERR.puts "⚡️ #{response.status} (#{response.status_code})"
+      if response.status_code == 200
+        files = JSON.parse(response.body).as_a
+        if files.empty?
+          puts "🙁 The video does not have any files."
+        else
+          filename = files[0]["filename"] ? files[0]["filename"].as_s : "original.mov"
+          File.open(filename, "w") do |file|
+            HTTP::Client.get(files[0]["url"].as_s) do |response|
+              IO.copy(response.body_io, file)
+            end
+          end
+        end
+      end
+    end
+
     def get_videos
       handle_response(@http.get(path: "/api/v1/channels/#{@context.params["channel_id"]}/videos"))
     end

src/teletube/option_parser.cr

@@ -94,6 +94,12 @@ module Teletube
           parser.on("upload", "Uploads a file.") do
             context.command = "upload"
           end
+          parser.on("download", "Download the latest upload.") do
+            context.command = "download"
+            parser.on("--video-id ID", "The identifier of the video.") do |video_id|
+              context.params["video_id"] = JSON::Any.new(video_id)
+            end
+          end
         end
 
         parser.on("videos", "Interact with videos.") do