Modernise NimBot

src/irclog.nim

@@ -3,37 +3,37 @@ from xmltree import escape
 import json except to
 
 type
-  TLogger* = object of TObject # Items get erased when new day starts.
-    startTime*: TTimeInfo
+  TLogger* = object of RootObj # Items get erased when new day starts.
+    startTime*: DateTime
     logFilepath*: string
-    logFile*: TFile
+    logFile*: File
   PLogger* = ref TLogger
 
 const
   webFP = {fpUserRead, fpUserWrite, fpUserExec,
            fpGroupRead, fpGroupExec, fpOthersRead, fpOthersExec}
 
 proc loadLogger*(f: string): PLogger =
-  new(result)
+  new result
   let logs = readFile(f)
   let lines = logs.splitLines()
   # Line 1: Start time
-  result.startTime = fromSeconds(to[float](lines[0])).getGMTime()
+  result.startTime = fromUnixFloat(to[float](lines[0])).utc()
   if not open(result.logFile, f, fmAppend):
     echo("Warning: Could not open logger: " & f)
   result.logFilepath = f.splitFile.dir
 
-proc writeFlush(file: TFile, s: string) =
+proc writeFlush(file: File, s: string) =
   file.write(s)
   file.flushFile()
 
 proc newLogger*(logFilepath: string): PLogger =
-  let startTime = getTime().getGMTime()
-  let log = logFilepath / startTime.format("dd'-'MM'-'yyyy'.logs'")
+  let startTime = getTime().utc()
+  let log = logFilepath / startTime.format("dd'-'MM'-'yyyy'.json'")
   if existsFile(log):
     result = loadLogger(log)
   else:
-    new(result)
+    new result
     result.startTime = startTime
     result.logFilepath = logFilepath
     doAssert open(result.logFile, log, fmAppend)
@@ -45,30 +45,30 @@ proc `$`(s: seq[string]): string =
     strutils.escape(x)
   result = "[" & join(escaped, ",") & "]"
 
-proc writeLog(logger: PLogger, msg: TIRCEvent) =
-  logger.logFile.writeFlush($$(time: getTime(), msg: msg) & "\n")
+proc writeLog(logger: PLogger, msg: IRCEvent) =
+  logger.logFile.writeFlush($(%*{"time": getTime(), "msg": msg}) & "\n")
 
-proc log*(logger: PLogger, msg: TIRCEvent) =
+proc log*(logger: PLogger, msg: IRCEvent) =
   if msg.origin != "#nim" and msg.cmd notin {MQuit, MNick}: return
-  if getTime().getGMTime().yearday != logger.startTime.yearday:
+  if getTime().utc().yearday != logger.startTime.yearday:
     # It's time to cycle to next day.
     # Reset logger.
     logger.logFile.close()
-    logger.startTime = getTime().getGMTime()
-    let log = logger.logFilepath / logger.startTime.format("dd'-'MM'-'yyyy'.logs'")
+    logger.startTime = getTime().utc()
+    let log = logger.logFilepath / logger.startTime.format("dd'-'MM'-'yyyy'.json'")
     doAssert open(logger.logFile, log, fmAppend)
     # Write start time
     logger.logFile.writeFlush($epochTime() & "\n")
-    
+
   case msg.cmd
   of MPrivMsg, MJoin, MPart, MNick, MQuit: # TODO: MTopic? MKick?
     #logger.items.add((getTime(), msg))
     #logger.save(logger.logFilepath / logger.startTime.format("dd'-'MM'-'yyyy'.json'"))
     writeLog(logger, msg)
-  else: nil
+  else: discard
 
 proc log*(logger: PLogger, nick, msg, chan: string) =
-  var m: TIRCEvent
+  var m: IRCEvent
   m.typ = EvMsg
   m.cmd = MPrivMsg
   m.params = @[chan, msg]

src/irclogrender.nim

@@ -1,41 +1,172 @@
-import irc, htmlgen, times, strutils, marshal, os, xmltree, re
-from jester import PRequest, makeUri
+import irc, htmlgen, times, strutils, marshal, os, xmltree, re, json
+from jester import Request, makeUri
 import irclog
+import strtabs
 
 type
+  # These legacy types are required to properly marshal the old format so old
+  # logs can still be read. The only differences are the timestamps and the new
+  # json format for strtabs.
+  LegacyIrcEvent = object
+    case typ: IrcEventType
+    of EvConnected:
+      nil
+    of EvDisconnected:
+      nil
+    of EvTimeout:
+      nil
+    of EvMsg:
+      cmd: IrcMType
+      nick, user, host, servername: string
+      numeric: string
+      tags: LegacyStringTableRef
+      params: seq[string]
+      origin: string
+      raw: string
+      timestamp: int64
+  LegacyStringTableRef = ref StringTableObj
+  LegacyEntry = tuple[time: int64, msg: LegacyIRCEvent]
+
+  Entry = tuple[time: Time, msg: IRCEvent]
   TLogRenderer = object of TLogger
-    items*: seq[tuple[time: TTime, msg: TIRCEvent]] ## Only used for HTML gen
+    items*: seq[Entry] ## Only used for HTML gen
   PLogRenderer* = ref TLogRenderer
 
+proc toNewEntry(entry: LegacyEntry): Entry =
+  result.time = fromUnix(entry.time)
+  result.msg = IRCEvent(
+    typ: entry.msg.typ
+  )
+  if result.msg.typ == EvMsg:
+    result.msg.cmd = entry.msg.cmd
+    result.msg.nick = entry.msg.nick
+    result.msg.user = entry.msg.user
+    result.msg.host = entry.msg.host
+    result.msg.servername = entry.msg.servername
+    result.msg.numeric = entry.msg.numeric
+    result.msg.tags = cast[StringTableRef](entry.msg.tags)
+    result.msg.params = entry.msg.params
+    result.msg.origin = entry.msg.origin
+    result.msg.raw = entry.msg.raw
+    result.msg.timestamp = entry.msg.timestamp.fromUnix
+
 proc loadRenderer*(f: string): PLogRenderer =
-  new(result)
+  new result
   result.items = @[]
   let logs = readFile(f)
   let lines = logs.splitLines()
   var i = 1
   # Line 1: Start time
-  result.startTime = fromSeconds(to[float](lines[0])).getGMTime()
+  result.startTime = fromUnixFloat(to[float](lines[0])).utc()
 
   result.logFilepath = f.splitFile.dir
+  echo "Reading file: ", f, ": ", f.endsWith(".logs")
   while i < lines.len:
     if lines[i] != "":
-      result.items.add(to[tuple[time: TTime, msg: TIRCEvent]](lines[i]))
+      if f.endsWith(".logs"):
+        result.items.add(marshal.to[LegacyEntry](lines[i]).toNewEntry)
+      elif f.endsWith(".json"):
+        result.items.add(json.to(lines[i].parseJson, Entry))
     inc i
 
+const IRCColours = [
+  "#e6e6e6",
+  "#000000",
+  "#bd93f9",
+  "#50fa7b",
+  "#ff5555",
+  "#ff5555",
+  "#ff79c6",
+  "#ffb86c",
+  "#f1fa8c",
+  "#50fa7b",
+  "#8be9fd",
+  "#8be9fd",
+  "#bd93f9",
+  "#ff79c6",
+  "#b3b3b3",
+  "#cccccc"
+]
+
+proc colourMessage(msg: string): string =
+  var
+    currentChar = 0
+    c: char
+    openedTags = 0
+    currentStyle = ""
+    bold, italic, underline = false
+  template switchStyle(style: var bool, css: string) =
+    if not style:
+      currentStyle &= css
+      style = true
+    else:
+      result &= "</span>"
+      openedTags -= 1
+      style = false
+  while currentChar < msg.len:
+    c = msg[currentChar]
+    inc currentChar
+    case ord c:
+    of 0x02: switchStyle bold, "font-weight: bold;"
+    of 0x1D: switchStyle italic, "font-style: italic;"
+    of 0x1F: switchStyle underline, "text-decoration: underline;"
+    of 0x03:
+      let colourCode = to[int](msg[currentChar..^1])
+      currentStyle &= "color: " & IRCColours[colourCode] & ";"
+      currentChar += 2
+    of 0x0F:
+      result &= "</span>".repeat openedTags
+      openedTags = 0
+      bold = false
+      italic = false
+      underline = false
+    else:
+      if currentStyle.len != 0:
+        result &= "<span style=\"" & currentStyle & "\">"
+        openedTags += 1
+        currentStyle = ""
+      result &= c
+  result &= "</span>".repeat openedTags
+
+const NickColours = [
+  "#6272a4",
+  "#8be9fd",
+  "#50fa7b",
+  "#ffb86c",
+  "#ff79c6",
+  "#bd93f9",
+  "#ff5555",
+  "#f1fa8c",
+  "#6272a4",
+  "#8be9fd",
+  "#50fa7b",
+  "#ffb86c",
+  "#ff79c6",
+  "#bd93f9",
+  "#ff5555",
+  "#f1fa8c"
+]
+proc colourNick(msg: string): string =
+  var hash = 0
+  for c in msg:
+    hash += ord c
+  "<span style=\"color: " & NickColours[hash mod 16] & "\">" & msg & "</span>"
+
 proc renderMessage(msg: string): string =
   # Transforms anything that looks like a hyperlink into one in the HTML.
-  let pattern = re"(https?|ftp)://[^\s/$.?#].[^\s]*"
+  let pattern = re"(https?|ftp)://[^\s/$.?#].[^\s\x02\x1D\x1F\x03\x0F]*"
   result = ""
 
   var i = 0
   while true:
     let (first, last) = msg.findBounds(pattern, start = i)
     if first == -1: break
-    echo(msg[i .. first-1], "|", msg[first .. last])
+    #echo(msg[i .. first-1], "|", msg[first .. last])
     result.add(xmltree.escape(msg[i .. first-1]))
     result.add(a(href=msg[first .. last], xmltree.escape(msg[first .. last])))
     i = last+1
   result.add(xmltree.escape(msg[i .. ^1]))
+  result = result.colourMessage()
 
 proc renderItems(logger: PLogRenderer, isToday: bool): string =
   result = ""
@@ -53,17 +184,17 @@ proc renderItems(logger: PLogRenderer, isToday: bool): string =
     of MKick:
       c = "kick"
     else:
-      nil
+      discard
     var message = i.msg.params[i.msg.params.len-1]
     if message.startswith("\x01ACTION "):
       c = "action"
       message = message[8 .. ^2]
 
-    let timestamp = i.time.getGMTime().format("HH':'mm':'ss")
+    let timestamp = i.time.utc().format("HH':'mm':'ss")
     let prefix = if isToday: logger.startTime.format("dd'-'MM'-'yyyy'.html'") & "#" else: "#"
     if c == "":
       result.add(tr(td(a(id=timestamp, href=prefix & timestamp, class="time", timestamp)),
-                    td(class="nick", xmltree.escape(i.msg.nick)),
+                    td(class="nick", xmltree.escape(i.msg.nick).colourNick),
                     td(id="M" & timestamp, class="msg", message.renderMessage)))
     else:
       case c
@@ -87,15 +218,15 @@ proc renderItems(logger: PLogRenderer, isToday: bool): string =
                     td(class="nick", "*"),
                     td(id="M" & timestamp, class="msg", xmltree.escape(message))))
 
-proc renderHtml*(logger: PLogRenderer, req: jester.PRequest): string =
-  let today       = getTime().getGMTime()
+proc renderHtml*(logger: PLogRenderer, req: jester.Request): string =
+  let today       = getTime().utc()
   let isToday     = logger.startTime.monthday == today.monthday and
                     logger.startTime.month == today.month and
                     logger.startTime.year == today.year
-  let previousDay = logger.startTime - (initInterval(days=1))
+  let previousDay = logger.startTime - (initTimeInterval(days=1))
   let prevUrl     = req.makeUri(previousDay.format("dd'-'MM'-'yyyy'.html'"),
                                 absolute = false)
-  let nextDay     = logger.startTime + (initInterval(days=1))
+  let nextDay     = logger.startTime + (initTimeInterval(days=1))
   let nextUrl     =
     if isToday: ""
     else: req.makeUri(nextDay.format("dd'-'MM'-'yyyy'.html'"), absolute = false)
@@ -105,12 +236,13 @@ proc renderHtml*(logger: PLogRenderer, req: jester.PRequest): string =
            meta(content="text/html; charset=UTF-8", `http-equiv` = "Content-Type"),
            link(rel="stylesheet", href=req.makeUri("css/boilerplate.css", absolute = false)),
            link(rel="stylesheet", href=req.makeUri("css/log.css", absolute = false)),
+           link(rel="stylesheet", href="https://fonts.googleapis.com/css?family=Lato:400,600,900", type="text/css"),
            script(src="js/log.js", type="text/javascript")
       ),
       body(
         htmlgen.`div`(id="controls",
             a(href=prevUrl, "<<"),
-            span(logger.startTime.format("dd'-'MM'-'yyyy")),
+            span(logger.startTime.format(" dd'-'MM'-'yyyy ")),
             (if nextUrl == "": span(">>") else: a(href=nextUrl, ">>"))
         ),
         hr(),