refactor to use 'stat' command

Signed-off-by: Eric Wang <skygragon@gmail.com>

Author: skygragon

lib/commands/stat.js

@@ -0,0 +1,64 @@
+var chalk = require('chalk');
+var log = require('loglevel');
+var sprintf = require('sprintf-js').sprintf;
+
+var core = require('../core');
+
+var cmd = {
+  command: 'stat',
+  desc:    'show statistics',
+  builder: {
+  }
+};
+
+function bar(c, n) {
+  return new Buffer(n).fill(c).toString();
+}
+
+function prettyLine(key, done, all) {
+  done = done || 0;
+  var n = 30;
+  var x = Math.ceil(n * done / all);
+  return sprintf('%-8s %3d/%-3d (%.2f%%)\t%s%s%s',
+      key, done, all, done * 100 / all,
+      chalk.green('[' + bar(chalk.enabled ? '.' : '+', x)),
+      chalk.red(bar('.', n - x)),
+      done === all ? chalk.green(']') : chalk.red(']'));
+}
+
+function showSummary(problems) {
+  var stats = {};
+  var statsNoLock = {};
+
+  problems.forEach(function(problem) {
+    var keyAll = 'all' + problem.level;
+    var keyAC = problem.state + problem.level;
+    stats[keyAll] = (stats[keyAll] || 0) + 1;
+    stats[keyAC] = (stats[keyAC] || 0) + 1;
+
+    if (!problem.locked) {
+      statsNoLock[keyAll] = (statsNoLock[keyAll] || 0) + 1;
+      statsNoLock[keyAC] = (statsNoLock[keyAC] || 0) + 1;
+    }
+  });
+
+  log.info(prettyLine('Easy', stats.acEasy, stats.allEasy));
+  log.info(prettyLine('Medium', stats.acMedium, stats.allMedium));
+  log.info(prettyLine('Hard', stats.acHard, stats.allHard));
+
+  log.info();
+  log.info('Without Locked:');
+  log.info(prettyLine('Easy', statsNoLock.acEasy, statsNoLock.allEasy));
+  log.info(prettyLine('Medium', statsNoLock.acMedium, statsNoLock.allMedium));
+  log.info(prettyLine('Hard', statsNoLock.acHard, statsNoLock.allHard));
+}
+
+cmd.handler = function(argv) {
+  core.getProblems(function(e, problems) {
+    if (e) return log.fail(e);
+
+    showSummary(problems);
+  });
+};
+
+module.exports = cmd;

lib/commands/user.js

@@ -1,7 +1,6 @@
 var chalk = require('chalk');
 var log = require('loglevel');
 var prompt = require('prompt');
-var sprintf = require('sprintf-js').sprintf;
 
 var core = require('../core');
 
@@ -20,31 +19,10 @@ var cmd = {
       type:     'boolean',
       default:  false,
       describe: 'Logout'
-    },
-    stat: {
-      alias:    's',
-      type:     'boolean',
-      default:  false,
-      describe: 'Show user statistics'
     }
   }
 };
 
-function bar(c, n) {
-  return new Buffer(n).fill(c).toString();
-}
-
-function prettyLine(key, done, all) {
-  done = done || 0;
-  var n = 30;
-  var x = Math.ceil(n * done / all);
-  return sprintf('%-8s %3d/%-3d (%.2f%%)\t%s%s%s',
-      key, done, all, done * 100 / all,
-      chalk.green('[' + bar(chalk.enabled ? '.' : '+', x)),
-      chalk.red(bar('.', n - x)),
-      done === all ? chalk.green(']') : chalk.red(']'));
-}
-
 cmd.handler = function(argv) {
   var user = null;
   if (argv.login) {
@@ -78,38 +56,6 @@ cmd.handler = function(argv) {
       log.info('You are now login as', chalk.yellow(user.name));
     else
       return log.fail('You are not login yet?');
-
-    if (argv.stat) {
-      core.getProblems(function(e, problems) {
-        if (e) return log.fail(e);
-
-        var stats = {};
-        var statsNoLock = {};
-
-        problems.forEach(function(problem) {
-          var keyAll = 'all' + problem.level;
-          var keyAC = problem.state + problem.level;
-          stats[keyAll] = (stats[keyAll] || 0) + 1;
-          stats[keyAC] = (stats[keyAC] || 0) + 1;
-
-          if (!problem.locked) {
-            statsNoLock[keyAll] = (statsNoLock[keyAll] || 0) + 1;
-            statsNoLock[keyAC] = (statsNoLock[keyAC] || 0) + 1;
-          }
-        });
-
-        log.info();
-        log.info(prettyLine('Easy', stats.acEasy, stats.allEasy));
-        log.info(prettyLine('Medium', stats.acMedium, stats.allMedium));
-        log.info(prettyLine('Hard', stats.acHard, stats.allHard));
-
-        log.info();
-        log.info('Without Locked:');
-        log.info(prettyLine('Easy', statsNoLock.acEasy, statsNoLock.allEasy));
-        log.info(prettyLine('Medium', statsNoLock.acMedium, statsNoLock.allMedium));
-        log.info(prettyLine('Hard', statsNoLock.acHard, statsNoLock.allHard));
-      });
-    }
   }
 };