implement joining table

app/controllers/user_controller.rb

@@ -1,10 +1,12 @@
 class UserController < ApplicationController
   before_filter :authenticate_user!
+  layout 'phone'
 
   alias :list :active_list
 
   def home
     flash.now[:notice] = t('messages.the_list_has_been_closed', list: List.model_name.human) if params[:list_closed].present?
+    flash.now[:notice] = t("messages.#{params[:message]}") if params[:message].present? && params[:message] =~ /^\w+$/
     render layout: 'phone'
   end
 
@@ -30,7 +32,7 @@ class UserController < ApplicationController
   def table_info
     @table = Table.find(params[:table_id])
     res = {}
-    res[:ocupied] = @table.occupied?
+    res[:occupied] = @table.occupied?
     res[:reserved] = @table.reserved?
     res[:supplier_closed] = @table.supplier.closed?
     if list.present?
@@ -62,6 +64,62 @@ class UserController < ApplicationController
     end
   end
 
+  def join_occupied_table
+    @table = Table.find(params[:table_id])
+  end
+
+  def request_to_join_occupied_table
+    @table = Table.find(params[:table_id])
+    if @list = @table.active_list
+      unless @list.join_requests.include?(current_user.id)
+        @list.join_requests << current_user.id
+        @list.is_dirty
+        @list.save
+      end
+
+    end 
+    render nothing: true
+  end
+
+  def reject_join_request
+    return unless params[:user_id]
+    if list && list.join_requests.include?(params[:user_id])
+      list.join_requests.delete(params[:user_id])
+      list.is_dirty
+      list.save
+    end
+    render js: ''
+  end
+  def approve_join_request
+    return unless params[:user_id]
+    @user = User.find(params[:user_id])
+    if list && list.join_requests.include?(params[:user_id])
+      list.join_requests.delete(params[:user_id])
+      @user.active_list_id = list.id 
+      list.add_user(@user)
+      @user.save
+      list.is_dirty
+      list.save
+    end
+    render nothing: true
+  end
+
+  # POST /user/check_table_join_status table_id:12345
+  def check_table_join_status
+    @table = Table.find(params[:table_id])
+    if @list = @table.active_list
+      if @list.user_ids.include?(current_user.id)
+        render json: {approved: true}
+      elsif @list.join_requests.include?(current_user.id)
+        render json: {waiting: true}
+      else
+        render json: {rejected: true}
+      end
+    else
+      render json: {rejected: true}
+    end
+  end
+
   def list_products_for_table
     @table = Table.find(params[:table_id])
     respond_to do |format|
@@ -115,6 +173,7 @@ class UserController < ApplicationController
   # GET /user/list_info.json
   # Information about the currently active list
   # Fast version to verify wether the is is still currently active
+  # for handle_active_list
   def list_info
     respond_to do |format|
       format.json do
@@ -122,8 +181,17 @@ class UserController < ApplicationController
           current_user.list_is_closed!
           render json: {list_active: false}
           return
-        else 
-          render json: list.as_json.merge(list_active: list.active? )
+        else
+          list_obj = list.as_json.merge(list_active: list.active? )
+
+          # Handle join requests
+          if list.join_requests.any?
+            list_obj[:join_requests] = []
+            for user in CouchPotato.database.load_document(list.join_requests)
+              list_obj[:join_requests] << {user_id: user.id, user_email: user.email}
+            end
+          end
+          render json: list_obj
         end
       end
     end