Add spinner for long jobs.

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

Author: skygragon

lib/commands/plugin.js

@@ -70,8 +70,10 @@ function install(src) {
     fs.unlinkSync(dst);
   });
 
+  var spin = h.spin('Downloading ' + src);
   srcstream.pipe(dststream);
   dststream.on('close', function() {
+    spin.stop();
     log.debug('copied to ' + dst);
 
     // install dependencies for current platform
@@ -83,15 +85,17 @@ function install(src) {
       else
         return parts[0];
     }).join(' ').trim();
-
-    if (deps.length > 0) {
-      var cmd = 'npm install --save ' + deps;
-      log.debug(cmd);
-      require('child_process').execSync(cmd, {
-        cwd: path.resolve(__dirname, '../..')
-      });
-    }
-    plugin.help();
+    if (deps.length === 0) return plugin.help();
+
+    var cmd = 'npm install --save ' + deps;
+    spin = h.spin(cmd);
+    log.debug(cmd);
+    require('child_process').exec(cmd, {
+      cwd: path.resolve(__dirname, '../..')
+    }, function() {
+      spin.stop();
+      plugin.help();
+    });
   });
 }
 

lib/commands/user.js

@@ -40,7 +40,6 @@ cmd.handler = function(argv) {
 
       core.login(user, function(e, user) {
         if (e) return log.fail(e);
-
         log.info('Successfully login as', chalk.yellow(user.name));
       });
     });

lib/helper.js

@@ -3,6 +3,7 @@ var path = require('path');
 
 var _ = require('underscore');
 var mkdirp = require('mkdirp');
+var ora = require('ora');
 
 var UNITS_SIZE = [
   {unit: 'B', name: 'Bytes',  count: 1024},
@@ -243,4 +244,8 @@ h.printSafeHTTP = function(msg) {
     .replace(/('set-cookie'\s*:\s*)\[.*?\]/, '$1<hidden>');
 };
 
+h.spin = function(s) {
+  return ora(require('./chalk').gray(s)).start();
+};
+
 module.exports = h;

lib/plugins/leetcode.js

@@ -15,6 +15,8 @@ var session = require('../session');
 var plugin = new Plugin(10, 'leetcode', '',
     'Plugin to talk with leetcode APIs.');
 
+var spin;
+
 // update options with user credentials
 function signOpts(opts, user) {
   opts.headers.Cookie = 'LEETCODE_SESSION=' + user.sessionId +
@@ -49,7 +51,6 @@ function checkError(e, resp, expectedStatus) {
 
 plugin.getProblems = function(cb) {
   log.debug('running leetcode.getProblems');
-
   var problems = [];
   var doTask = function(category, taskDone) {
     plugin.getCategoryProblems(category, function(e, _problems) {
@@ -63,7 +64,9 @@ plugin.getProblems = function(cb) {
     });
   };
 
+  spin = h.spin('Downloading problems');
   queue.run(config.sys.categories, doTask, function(e) {
+    spin.stop();
     return cb(e, problems);
   });
 };
@@ -72,6 +75,7 @@ plugin.getCategoryProblems = function(category, cb) {
   log.debug('running leetcode.getCategoryProblems: ' + category);
   var opts = makeOpts(config.sys.urls.problems.replace('$category', category));
 
+  spin.text = 'Downloading category ' + category;
   request(opts, function(e, resp, body) {
     e = checkError(e, resp, 200);
     if (e) return cb(e);
@@ -140,7 +144,9 @@ plugin.getProblem = function(problem, cb) {
     operationName: 'getQuestionDetail'
   };
 
+  spin = h.spin('Downloading ' + problem.slug);
   request.post(opts, function(e, resp, body) {
+    spin.stop();
     e = checkError(e, resp, 200);
     if (e) return cb(e);
 
@@ -175,7 +181,9 @@ function runCode(opts, problem, cb) {
     typed_code:  h.getFileData(problem.file)
   });
 
+  spin = h.spin('Sending code to judge');
   request(opts, function(e, resp, body) {
+    spin.stop();
     e = checkError(e, resp, 200);
     if (e) return cb(e);
 
@@ -207,7 +215,9 @@ function verifyResult(opts, jobs, results, cb) {
   opts.method = 'GET';
   opts.url = config.sys.urls.verify.replace('$id', jobs[0].id);
 
+  spin = h.spin('Waiting for judge result');
   request(opts, function(e, resp, body) {
+    spin.stop();
     e = checkError(e, resp, 200);
     if (e) return cb(e);
 
@@ -366,7 +376,9 @@ plugin.getFavorites = function(cb) {
 
 plugin.signin = function(user, cb) {
   log.debug('running leetcode.signin');
+  spin = h.spin('Signing in leetcode.com');
   request(config.sys.urls.login, function(e, resp, body) {
+    spin.stop();
     e = checkError(e, resp, 200);
     if (e) return cb(e);
 

package.json

@@ -35,6 +35,7 @@
     "he": "1.1.1",
     "mkdirp": "0.5.1",
     "nconf": "0.10.0",
+    "ora": "^1.3.0",
     "prompt": "1.0.0",
     "request": "2.83.0",
     "sprintf-js": "1.1.1",