Сохранение чата twitch.tv

ownlang twitch
  1. use "std"
  2. use "math"
  3. use "date"
  4. use "http"
  5. use "json"
  6. use "types"
  7. use "files"
  8. use "functional"
  9.  
  10. DATE_PATTERN = "yyyy-MM-dd'T'HH:mm:ss'Z'"
  11.  
  12. vod = ""
  13. if (length(vod) == 0) {
  14.   use "canvas"
  15.   vod = prompt("Twitch VOD id")
  16. }
  17. messages = []
  18. chunks = []
  19.  
  20. thread(::http, "https://api.twitch.tv/kraken/videos/v" + vod,
  21.     combine(::jsondecode, ::processVodInfo))
  22.  
  23. def processVodInfo(vodInfo) {
  24.   if (arrayKeyExists("error", vodInfo)) {
  25.     println "Error: " + vodInfo.message
  26.     return 0
  27.   }
  28.  
  29.   recordDate = newDate(DATE_PATTERN, vodInfo.recorded_at)
  30.   startTime = toTimestamp(recordDate) / 1000
  31.   startTime += (3 * 60 * 60)
  32.   endTime = long(startTime + ceil(vodInfo.length / 30.0) * 30)
  33.   maxIterations = (endTime - startTime) / 30
  34.  
  35.   for i = 0, i < maxIterations, i++ {
  36.     println sprintf("%d / %d", i + 1, maxIterations)
  37.  
  38.     timestamp = startTime + i * 30
  39.     url = "http://rechat.twitch.tv/rechat-messages?start=" + timestamp + "&video_id=v" + vod
  40.     chunksString = sync(def(ret) = http(url, ret))
  41.     chunksObject = jsondecode(chunksString)
  42.  
  43.     foreach(chunksObject.data, ::processChatChunk)
  44.   }
  45.  
  46.   saveResults(vodInfo)
  47. }
  48.  
  49. def processChatChunk(chunk) {
  50.   attr = chunk.attributes
  51.   formattedDate = formatDate(newDate(attr.timestamp))
  52.  
  53.   chunks = chunks :: chunk
  54.   messages ::= sprintf("%s (%s)\n%s",
  55.     attr.tags["display-name"], formattedDate, attr.message)
  56. }
  57.  
  58. def saveResults(vodInfo) {
  59.   result = vodInfo.channel.display_name + ": " + vodInfo.title + "\n";
  60.   result += formatDate(newDate(DATE_PATTERN, vodInfo.recorded_at)) + "\n"
  61.   result += vodInfo.url + "\n\n";
  62.   result += join(messages, "\n\n=====\n\n")
  63.   saveFile(vod + "_chat.txt", result)
  64.   saveFile(vod + "_chat.json", jsonencode(chunks))
  65. }
  66.  
  67. def saveFile(filename, content) {
  68.   f = fopen(filename, "w")
  69.   writeText(f, content)
  70.   flush(f)
  71.   fclose(f)
  72. }
Вводим vod id (восьмизначное число, например 67509345) и получаем чат твича в текстовом файле и в json
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