feat(getByUserId): implement

Author: Peter Marton

README.md

@@ -74,7 +74,9 @@ session.cleanup(true).then(function () { ... })
 
 ### Get user's sessions
 
-// TODO
+```javascript
+session.getByUserId('1').then(function (sessions) { ... })
+```
 
 ### Destroy user's sessions
 

src/e2e.spec.js

@@ -104,6 +104,10 @@ describe('e2e', () => {
       })
     })
 
+    afterEach(function *() {
+      yield thorken.destroy(token)
+    })
+
     it('should return with session', function *() {
       var props = yield thorken.get(token)
 
@@ -153,6 +157,45 @@ describe('e2e', () => {
     })
   })
 
+  describe('#getByUserId', () => {
+    var token1
+    var token2
+
+    beforeEach(function *() {
+      var result = yield {
+        token1: thorken.create({
+          uid: '1',
+          ip: '192.168.1.1'
+        }),
+
+        token2: thorken.create({
+          uid: '1',
+          ip: '192.168.1.2'
+        })
+      }
+
+      token1 = result.token1
+      token2 = result.token2
+    })
+
+    afterEach(function *() {
+      yield [thorken.destroy(token1), thorken.destroy(token2)]
+    })
+
+    it('should return with user\'s sessions', function *() {
+      var sessions1 = yield thorken.getByUserId('1')
+      var sessions2 = yield thorken.getByUserId('2')
+
+      expect(sessions1.length).to.be.equal(2)
+      expect(sessions1[0]).property('uid', '1')
+      expect(sessions1[0]).property('ip')
+      expect(sessions1[1]).property('uid', '1')
+      expect(sessions1[1]).property('ip')
+
+      expect(sessions2.length).to.be.equal(0)
+    })
+  })
+
   describe('#destroy', () => {
     var token
 

src/thorken.js

@@ -148,6 +148,25 @@ Thorken.prototype.get = function (token) {
     })
 }
 
+/**
+* Get sessions by user id
+* @method getByUserId
+*/
+Thorken.prototype.getByUserId = function (userId) {
+  var _this = this
+  var userKey = _this.namespaceKey + PREFIX.USER + userId
+
+  return _this.redis.smembers(userKey)
+    .then(function (tokens) {
+      var hgetTokens = tokens.map(function (token) {
+        var tokenKey = _this.namespaceKey + PREFIX.TOKEN + token
+        return _this.redis.hgetall(tokenKey)
+      })
+
+      return Promise.all(hgetTokens)
+    })
+}
+
 /**
 * Extend token's expiration
 * @method extend