can add relation between co-author

app/controllers/desktop/co_author_relations_controller.rb

@@ -0,0 +1,32 @@
+class Desktop::CoAuthorRelationsController < ApplicationController
+  def index
+    @co_author_relations = CoAuthorRelation.all
+    new
+
+    respond_to do |format|
+      format.html {render layout: false }
+    end
+  end
+
+  def new
+    @new_relation = CoAuthorRelation.new
+  end
+
+  def create
+    @new_relation = CoAuthorRelation.new(params[:co_author_relation])
+
+    if @new_relation.save
+      render json: {success:true, msg: "New Relation successfully saved!"}.to_json
+    else
+      error_msg = @new_relation.errors.full_messages.join("<br />")
+      render json: {success: false, msg: error_msg}.to_json
+    end
+  end
+
+  def destroy
+    @co_author_relation = CoAuthorRelation.find(params[:id])
+    @co_author_relation.destroy
+
+    render :json => {success: true, msg: "deleted successfully!"}
+  end
+end

app/controllers/desktop/co_authors_controller.rb

@@ -4,7 +4,6 @@ class Desktop::CoAuthorsController < ApplicationController
 
     respond_to do |format|
       format.html { render :layout => false}
-      format.json { render json: @co_authors }
     end
   end
 

app/controllers/desktop/journal_lists_controller.rb

@@ -1,6 +1,5 @@
 class Desktop::JournalListsController < ApplicationController
-  # GET /desktop/journal_lists
-  # GET /desktop/journal_lists.json
+
   def index
     level_types = JournalLevelType.all
     all_journal_lists = WritingJournal.where(create_user_id: current_user.id)
@@ -18,76 +17,4 @@ class Desktop::JournalListsController < ApplicationController
       format.html { render :layout => false}
     end
   end
-=begin
-  # GET /desktop/journal_lists/1
-  # GET /desktop/journal_lists/1.json
-  def show
-    @desktop_journal_list = Desktop::JournalList.find(params[:id])
-
-    respond_to do |format|
-      format.html # show.html.erb
-      format.json { render json: @desktop_journal_list }
-    end
-  end
-
-  # GET /desktop/journal_lists/new
-  # GET /desktop/journal_lists/new.json
-  def new
-    @desktop_journal_list = Desktop::JournalList.new
-
-    respond_to do |format|
-      format.html # new.html.erb
-      format.json { render json: @desktop_journal_list }
-    end
-  end
-
-  # GET /desktop/journal_lists/1/edit
-  def edit
-    @desktop_journal_list = Desktop::JournalList.find(params[:id])
-  end
-
-  # POST /desktop/journal_lists
-  # POST /desktop/journal_lists.json
-  def create
-    @desktop_journal_list = Desktop::JournalList.new(params[:desktop_journal_list])
-
-    respond_to do |format|
-      if @desktop_journal_list.save
-        format.html { redirect_to @desktop_journal_list, notice: 'Journal list was successfully created.' }
-        format.json { render json: @desktop_journal_list, status: :created, location: @desktop_journal_list }
-      else
-        format.html { render action: "new" }
-        format.json { render json: @desktop_journal_list.errors, status: :unprocessable_entity }
-      end
-    end
-  end
-
-  # PUT /desktop/journal_lists/1
-  # PUT /desktop/journal_lists/1.json
-  def update
-    @desktop_journal_list = Desktop::JournalList.find(params[:id])
-
-    respond_to do |format|
-      if @desktop_journal_list.update_attributes(params[:desktop_journal_list])
-        format.html { redirect_to @desktop_journal_list, notice: 'Journal list was successfully updated.' }
-        format.json { head :ok }
-      else
-        format.html { render action: "edit" }
-        format.json { render json: @desktop_journal_list.errors, status: :unprocessable_entity }
-      end
-    end
-  end
-
-  # DELETE /desktop/journal_lists/1
-  # DELETE /desktop/journal_lists/1.json
-  def destroy
-    @desktop_journal_list = Desktop::JournalList.find(params[:id])
-    @desktop_journal_list.destroy
-
-    respond_to do |format|
-      format.html { redirect_to desktop_journal_lists_url }
-      format.json { head :ok }
-    end
-  end
-=end
 end

app/helpers/desktop/co_author_relations_helper.rb

@@ -0,0 +1,2 @@
+module Desktop::CoAuthorRelationsHelper
+end

app/models/user/co_author.rb

@@ -8,6 +8,7 @@ class CoAuthor
   field :email
   field :type
 
+  has_and_belongs_to_many :co_author_relations
 
   VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/
   validates :email, format: { with: VALID_EMAIL_REGEX },

app/models/user/co_author_relation.rb

@@ -0,0 +1,8 @@
+class CoAuthorRelation
+  include Mongoid::Document
+  include Mongoid::Timestamps
+
+  field :relation, localize: true
+
+  has_and_belongs_to_many :co_authors
+end

app/views/desktop/co_author_relations/_form.html.erb

@@ -0,0 +1,4 @@
+<%= form_for(@new_relation , url: desktop_co_author_relations_path ) do |f| %>
+    <%= f.text_field :relation %>
+    <%= f.submit "Save" %>
+<% end %>

app/views/desktop/co_author_relations/index.html.erb

@@ -0,0 +1,18 @@
+<h1>Listing co_author_relations</h1>
+
+<%= render 'form' %>
+
+<table>
+  <tr>
+    <th>Relation</th>
+    <th></th>
+    <th></th>
+  </tr>
+
+<% @co_author_relations.each do |co_author_relation| %>
+  <tr>
+    <td><%= co_author_relation.relation %></td>
+    <td><%= link_to 'Destroy', desktop_co_author_relation_path(co_author_relation), confirm: 'Are you sure?', method: :delete %></td>
+  </tr>
+<% end %>
+</table>

app/views/desktop/co_authors/index.html.erb

@@ -1,6 +1,6 @@
 <h1>list all coauthor</h1>
 <%= link_to "New Co-Author", new_desktop_co_author_path %>
-<%= link_to "New Type", "#" %>
+<%= link_to "New Type",  desktop_co_author_relations_path %>
 <table>
   <tr>
     <th>Name</th>