Improve feed

app/controllers/users_controller.rb

@@ -19,7 +19,7 @@ class UsersController < ApplicationController
     @user = current_user
     @micropost = current_user.microposts.build if current_user.signed_in?
     @microposts = @user.microposts.paginate(page: params[:page])
-    @feed_items = current_user.feed.paginate(page: params[:page])
+    @feed_items = current_user.feed.paginate(page: params[:page], per_page: 10)
     # authorize @user
     # redirect_to current_user
   end

app/models/user.rb

@@ -122,7 +122,14 @@ class User < ActiveRecord::Base
   end
 
   def feed
-    Micropost.where("micropostable_id IN (?) OR micropostable_id = ?", following_ids, id)
+    # Following posts
+    micropost_ids = self.following.map{|f| f.microposts.pluck(:id)}.flatten
+    # Self posts
+    micropost_ids << self.microposts.pluck(:id)
+    # Flatten for SQL query
+    micropost_ids.flatten!
+    # Micropost.where("id IN (?)", micropost_ids)
+    Micropost.where(id: micropost_ids)
   end
 
 end

app/views/projects/show.html.haml

@@ -3,7 +3,7 @@
     = @project.title
   - if policy(@project).edit?
     = link_to 'Edit', edit_project_path(@project)
-  = render 'shared/follow_form' if current_user.signed_in?
+  -# = render 'shared/follow_form' if current_user.signed_in?
 
   .description
     = @project.description