d3

app/assets/javascripts/backbone/views/veggie/chat_view.coffee

@@ -15,6 +15,13 @@ class window.Veggie.ChatView extends Backbone.View
 		else
 			@dispatcher = new WebSocketRails('localhost:3000/websocket')
 
+		@dispatcher.on_open = (data) ->
+			uid = window.current_member.get("_id")
+			@notify_channel = this.subscribe("notify_" + uid)
+			@notify_channel.bind "invite_course", (data) ->
+				$("#courses .headline").after JST["widget/notice"](msg: data)
+
+
 		$(document).bind "keyup",(event) ->  		 			
 			if event.keyCode is 13
 				$content = $("#chat_content")
@@ -25,7 +32,6 @@ class window.Veggie.ChatView extends Backbone.View
 				else if wc > 17
 					Utils.flash("#{wc} 个词太长啦，发言简短更显才气！","error")
 				else
-					console.log content
 					self.send_message(content)
 					$content.val("").focus()
 
@@ -100,15 +106,20 @@ class window.Veggie.ChatView extends Backbone.View
 		if $target.length isnt 0
 			uid = $target.attr("uid")
 			msg = $.trim $(".message",@$el).text()
-			$.post "/members/send_invite",target: uid, msg: msg, (data) =>
-				if data.status is 0
-					@close_invite()
-					setTimeout( ->
-						$("#invite .uname").text("")
-						$target.remove()
-						Utils.flash("邀请将在您的微博上发出，您的好友一旦接受邀请，小柒会立即通知您",'success',$wrap)
-					,1000)
-				else
-					Utils.flash("啊呀，邀请失败啦","error",$wrap)
+			cid = window.route.active_view.current_course.get("_id")
+			$.post "/members/send_invite",
+				target: uid
+				msg: msg
+				course_id: cid
+				(data) =>
+					if data.status is 0
+						@close_invite()
+						setTimeout( ->
+							$("#invite .uname").text("")
+							$target.remove()
+							Utils.flash("邀请将在您的微博上发出，您的好友一旦接受邀请，小柒会立即通知您",'success',$wrap)
+						,1000)
+					else
+						Utils.flash("啊呀，邀请失败啦","error",$wrap)
 		else
 			Utils.flash("你还没有选择要邀请哪一个好友呢","error",@$el)

app/assets/javascripts/backbone/views/veggie/dashboard_view.coffee

@@ -53,7 +53,7 @@ class window.Veggie.DashboardView extends Veggie.View
 			if step = $.jStorage.get "course_#{cid}"
 				$("#imagine").jmpress "goTo","#" + step
 			$("#imagine").show()
-			$("#icontrol").addClass 'active'
+			$("#icontrol").show().addClass 'active'
 			@$el.css "height":"100%"
 	keyup: (event) ->
 		switch event.keyCode

app/assets/javascripts/templates/widget/notice.hamlc

@@ -0,0 +1,5 @@
+.form.alert
+	%span.icon-bolt
+	%span.icon-remove-circle.close
+	%strong
+		= @msg

app/controllers/members_controller.rb

@@ -57,7 +57,7 @@ def profile
   # friendship status
   def invite_list
     if p = current_member.has_provider?("weibo")
-      has_invites = current_member.invites.collect(&:target)
+      has_invites = current_member.invites.outside.collect(&:target)
       @friends = Wali::Friend.new(p).bilateral.select do |x|
         has_invites.exclude?(x["id"].to_s)
       end
@@ -134,23 +134,52 @@ def update
 
   # invite
   # @target: uid
-  # @cname 课程名
+  # @msg
   # @provider 'weibo'
+  # @course_id
   # @style common / teach
   def send_invite
     provider = params[:provider] || "weibo"
-    target = params[:target]
-    message = params[:msg].gsub(/\s+/,' ') + " " + $config[:domain]
-    invite = current_member.invites.new(:target => target,:provider => provider)
-    if invite.save and p = current_member.has_provider?(provider)          
-      HardWorker::SendInviteJob.perform_async(message,p._id)
-      render_json 0,"ok"
+
+    # 检查被邀请者是否已经存在
+    if p = Authorization.where(:provider => provider,:uid => params[:target]).first
+      member = p.member
+      # 相互添加好友并通知
+      current_member.friend_ids << member._id
+      current_member.save
+      member.friend_ids << current_member._id
+      member.save
+      # 新建站内邀请
+      current_member.invites.create(:target => member._id,:course_id => params[:course_id])
+      render_json 1,"new friend"
     else
-      render_json -1,"error"
+      args = params.slice(:target,:course_id).merge!(:provider => provider)
+      message = params[:msg].gsub(/\s+/,' ') + " " + $config[:host]
+      # 新建站外邀请
+      invite = current_member.invites.new(args)
+      if invite.save and p = current_member.has_provider?(provider)          
+        HardWorker::SendInviteJob.perform_async(message,p._id)
+        render_json 0,"send invite by #{provider}"
+      else
+        render_json -1,"error"
+      end
     end
 
   end
 
+  # 向已存在好友发起邀请
+  # @_id
+  # @course_id
+  def invite_friend
+    @friend = Member.find(params[:_id])
+    if @friend.has_checkin?(params[:course_id])
+      render_json -1,"already checkin"
+    else
+      current_member.invites.create(:target => @friend._id,:course_id => params[:course_id])
+      render_json 0,"ok"
+    end
+  end
+
   # like
   # @obj [Song,Quote,Person]
   # @_id

app/controllers/words_controller.rb

@@ -4,8 +4,10 @@ class WordsController < ApplicationController
 	def fetch
 		word = Onion::Word.new(params[:title]).insert(:skip_exist => 1)
 		if @uw = current_member.has_u_word(word)
-			synsets = Onion::Word.wordnet(params[:title],:synset)
-			synsets.delete(params[:title])
+			# 联想同义词，提供wordnet参考，由老师编辑添加
+			# 联想好友们的发音，图片
+			synsets = [] 
+			#Onion::Word.wordnet(params[:title],:synset)
 			data = @uw.as_json.merge({:imagine => true,:synsets => synsets})
 		else
 			data = word.as_json

app/models/invite.rb

@@ -3,9 +3,24 @@ class Invite
 
   field :target
   field :provider
+  field :course_id
 
   belongs_to :member
-  validates :target, :uniqueness => {:scope => [:member_id,:provider]},:presence => true
+  validates :target, :uniqueness => {:scope => [:member_id,:course_id]},:presence => true
+
+  scope :outside, -> { where(:provider.exists => true)}
+  scope :inside, -> { where(:provider.exists => false)}
+
+  after_create :push_notify
+
+  # 站内邀请发送push
+  # 通知 target,member想和你一起学习某课
+  def push_notify
+  	if provider.nil?
+      cname = Course.find(course_id).title
+      message = t("invite.common",:uname => member.name,:cname => cname)
+  		WebsocketRails["notify_#{target}"].trigger "invite_course",message
+  	end
+  end
 
-  scope :weibo, -> {where(:provider => 'weibo')}
 end

app/models/member.rb

@@ -27,6 +27,7 @@ class Member
   field :role 
   field :uid
   field :gem, :type => Integer, :default => 0
+  field :friend_ids, :type => Array
 
   has_many :authorizations,:dependent => :destroy
   has_many :courses
@@ -68,6 +69,11 @@ def checked_courses
     Course.where(:_id.in => cids)
   end
 
+  def invited_courses 
+    cids = Invite.inside.where(:target => self._id).collect(&:course_id).uniq
+    Course.where(:_id.in => cids)
+  end
+
   def has_checkin?(course_id)
     course_grades.where(:course_id => course_id).any?
   end

config/routes.rb

@@ -59,6 +59,7 @@
     get "friend"
     get "invite_list"
     post "like"
+    post "invite_friend"
   end
 
   #mobile

lib/eva.rb

@@ -8,10 +8,11 @@ def initialize(member)
 	class Course < Base
 		def list
 			# 推荐课程，在已发布课程中做推荐筛选
-			recommands = ::Course.open.limit(10)
+			recommands = ::Course.open.limit(2)
 			# 正在学习的课程，学完并通过考核的课程不显示
 			checked = @member.checked_courses
-			list = (checked + recommands).uniq
+			invited = @member.invited_courses
+			list = (checked + recommands + invited).uniq
 			result = []
 			list.each_with_index do |c,i|
 				result << c.as_json.merge!(:has_checkin => (i < checked.length))

lib/hard_worker.rb

@@ -13,6 +13,25 @@ def perform(id, opts={})
       provider = Authorization.find(id)
       self.logger(provider.user_name)
       Wali::Greet.new(provider,opts).deliver
+      invites = Invite.where(:provider => provider.provider,:target => provider.uid)
+      if invites.any?
+        member = provider.member
+        invites.each do |invite|
+          # 每个当前用户相关邀请的发起人的好友名单中加入当前用户
+          # 并获赠 2 gem
+          # 通知 owner 有新朋友接受了邀请，并获得了奖励
+          owner = invite.member
+          owner.friend_ids << member._id
+          owner.gem += 2
+          owner.save
+          # 当前被邀请用户免费登记受邀课程,并加好友
+          # 通知受邀者成功接受了多少个邀请，并新增了多少好友
+          member.friend_ids << owner._id
+          member.course_grades << CourseGrade.new(:course_id => invite.course_id)
+          member.save
+
+        end
+      end
     end
   end