upload-status-flow.dot

digraph G {
  subgraph cluster_0 {
    style=filled;
    color=mediumseagreen;
    node [style=filled,color=lightgoldenrod1];
    label = "Import Folder & Editing";
    a1 -> a2 -> a3;
  }

  subgraph cluster_1 {
    color=gray;
    node [style=filled, color=cornsilk2];
    label = "Upload Folder's Annotations & Media";

    b1a -> b1 [label="clicked upload button"];
    b1-> b2 [style=dashed];
    b2 -> b3 [label="create threading\n(Singlaton)"];
    b3 -> b2c [style=dashed];
    b2c -> b1;
    b1 -> c1 [color=orange, label="1. re-upload (modify annotation)", style=dashed];
    c1 -> c2 [color=orange, style=dashed];
    c1 -> c1a [color=orange, style=dashed];
    b3a -> b1 [label="re-upload"];

  }
  subgraph cluster_2 {
    color=royalblue4;
    label = "CameraTrap Server";
    serv_anno;
  }
  subgraph cluster_3 {
    color=royalblue4;
    label = "AWS S3 Service";
    serv_s3;
    serv_media;
  }

  start -> a1;
  a3 -> b1 [label="clicked upload button"];
  a2 -> b1;
  b1 -> serv_anno [label="post annotation"];
  serv_anno -> b1a;
  b1 -> b1a [style=dashed, label="failed"];
  serv_anno -> b2 [label="succeed"];
  b3 -> serv_s3 -> b2c [label="succeed"];
  serv_s3 -> b3a [label="failed"];
  serv_anno -> c1a [color=orange];
  b1 -> serv_anno [color=orange];
  b3 -> serv_media -> b2c;
  serv_anno -> c2 [color=orange];
  c2 -> end;
  b2c -> end;
  b2c -> d -> end;
  c2 -> d;
  /*
  b1 -> serv_anno -> b2 -> b1 [color=orange, style=dashed, label="2. re-upload annotation"];
  b3c -> end;

  a2 -> b1;
  b3b -> serv_s3 -> b3b;
  serv_s3 -> b5;
  b2c -> end;
  b2c -> c;
  b2c -> a3;
  a3 -> b1 [label="1. re-upload (modify annotation)", color=orange];
  b5 -> end;
  b2c -> a3 [label="update annotation, upload last failed files"];
  b5 -> c -> end;

  serv_anno -> b5 [color=orange, style=dashed];
  */
  serv_anno [shape=diamond, color=plum2, label="save annotation\nto database"];
  serv_s3 [shape=diamond, color=plum2, label="upload to AWS S3"];
  serv_media [shape=diamond, color=plum2, label="transcode\nmovie files"];

  d [label="archive folder\n(d)"];
  c2 [label="override upload\n(c2) 覆寫完成", color=tan, style=filled];
  c1a [label="override upload failed\n(c1a) 上傳失敗", color=tan, style=filled];
  c1 [label="start override upload\n(c1)", color=tan, style=filled];

  b2c [label="upload done\n(b2c) 完成"];
  b3a [label="upload media failed\n (b3a) 上傳失敗 (檔案不完全)"];
  b3 [label="uploading media files\n(b3) 上傳覆寫"];
  b2 [label="pending upload media files\n(b2) 上傳中"];
  b1a [label="upload annotation failed\n(b1a) 上傳失敗"];
  b1 [label="start upload\n(b1)"];

  a3 [label="start annotate\n(a3) 編輯中"];
  a2 [label="done import\n(a2) 未編輯"];
  a1 [label="start import\n(a1)"];
  start [shape=Mdiamond];
  end [shape=Msquare];
}