refactor: added standard nim logging library

src/nitter.nim

@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: AGPL-3.0-only
-import asyncdispatch, strformat, logging
+import asyncdispatch, strformat, logging, terminal, times, strutils
 from net import Port
 from htmlgen import a
 from os import getEnv
@@ -15,6 +15,33 @@ import routes/[
 const instancesUrl = "https://github.com/zedeus/nitter/wiki/Instances"
 const issuesUrl = "https://github.com/zedeus/nitter/issues"
 
+type ColoredLogger = ref object of Logger
+
+method log(logger: ColoredLogger, level: Level, args: varargs[string, `$`]) =
+  if level < logger.levelThreshold: return
+  
+  let color = case level
+    of lvlFatal, lvlError: fgRed
+    of lvlWarn: fgYellow
+    of lvlInfo: fgGreen
+    of lvlDebug: fgCyan
+    else: fgWhite
+
+  let levelStr = case level
+    of lvlFatal: "fatal"
+    of lvlError: "error"
+    of lvlWarn: "warn"
+    of lvlInfo: "info"
+    of lvlDebug: "debug"
+    else: "other"
+    
+  let timeStr = format(now(), "HH:mm:ss")
+  stdout.styledWrite(fgWhite, "[", timeStr, "] ", color, levelStr, fgWhite, ": ")
+  for arg in args:
+    stdout.write(arg)
+  stdout.write("\n")
+  stdout.flushFile()
+
 let
   configPath = getEnv("NITTER_CONF_FILE", "./nitter.conf")
   (cfg, fullCfg) = getConfig(configPath)
@@ -23,13 +50,14 @@ let
 
 initSessionPool(cfg, sessionsPath)
 
-if not cfg.enableDebug:
-  # Silence Jester's query warning
-  addHandler(newConsoleLogger())
-  setLogFilter(lvlError)
+addHandler(new(ColoredLogger))
 
-stdout.write &"Starting Nitter at {getUrlPrefix(cfg)}\n"
-stdout.flushFile
+if cfg.enableDebug:
+  setLogFilter(lvlDebug)
+else:
+  setLogFilter(lvlInfo)
+
+info &"Starting Nitter at {getUrlPrefix(cfg)}"
 
 updateDefaultPrefs(fullCfg)
 setCacheTimes(cfg)
@@ -40,8 +68,7 @@ setHttpProxy(cfg.proxy, cfg.proxyAuth)
 initAboutPage(cfg.staticDir)
 
 waitFor initRedisPool(cfg)
-stdout.write &"Connected to Redis at {cfg.redisHost}:{cfg.redisPort}\n"
-stdout.flushFile
+info &"Connected to Redis at {cfg.redisHost}:{cfg.redisPort}"
 
 createUnsupportedRouter(cfg)
 createResolverRouter(cfg)
@@ -83,13 +110,13 @@ routes:
     resp Http404, showError("Page not found", cfg)
 
   error InternalError:
-    echo error.exc.name, ": ", error.exc.msg
+    error error.exc.name, ": ", error.exc.msg
     const link = a("open a GitHub issue", href = issuesUrl)
     resp Http500, showError(
       &"An error occurred, please {link} with the URL you tried to visit.", cfg)
 
   error BadClientError:
-    echo error.exc.name, ": ", error.exc.msg
+    error error.exc.name, ": ", error.exc.msg
     resp Http500, showError("Network error occurred, please try again.", cfg)
 
   error RateLimitError: