Finished comments

app/controllers/comments_controller.rb

 class CommentsController < ApplicationController
   def new
+  	@post = Post.find_by(id: params[:post_id])
+  	@comment = @post.comments.new
   end
-end
+
+  def create
+  	@post = Post.find_by(id: params[:post_id])
+  	@comment = @post.comments.new(comment_params)
+  	@comment.user = current_user
+
+  	if @comment.save
+  		redirect_to post_path(@post), notice: "Comment has been added."
+  	else
+  		render 'new'
+  	end
+  end
+
+  private
+  	def comment_params
+  		params.require(:comment).permit!
+  	end
+end
\ No newline at end of file

app/views/comments/new.html.erb

-<h1>Comments#new</h1>
-<p>Find me in app/views/comments/new.html.erb</p>
+<h3>New Comment</h3>
+
+Comment for: <%= @post.title %>
+<%= simple_form_for([@post, @comment]) do |f| %>
+	<%= f.input :comment %>
+	<%= f.button :submit, "Add Comment" %>
+<% end %>
\ No newline at end of file

app/views/posts/index.html.erb

@@ -16,7 +16,8 @@
 			<th>Title</th>
 			<th>Content</th>
 			<th>Posted by</th>
-			<th colspan="3"></th>
+			<th># of Comments</th>
+			<th colspan="4"></th>
 		</thead>
 		<tbody>
 		<% @posts.each do |post| %>
@@ -30,6 +31,9 @@
 				<td>
 					<%= post.user %>
 				</td>
+				<td>
+					<%= post.comments.count %>
+				</td>
 				<td>
 					<%= link_to "Show", post_path(post), class: "btn btn-primary" %>
 				</td>
@@ -39,6 +43,9 @@
 				<td>
 					<%= link_to "Edit", edit_post_path(post), class: "btn btn-primary" %>
 				</td>
+				<td>
+					<%= link_to "Add Comment", new_post_comment_path(post), class: "btn btn-info" %>
+				</td>
 			</tr>
 		<% end %>
 		</tbody>

app/views/posts/show.html.erb

@@ -7,4 +7,22 @@
 	<%= @post.content %>
 </p>
 
+<ul>
+	<% @post.comments.each do |comment| %>
+		<li>
+			<%= comment.comment %>
+			<br>
+			<small>
+				<%= comment.user %><br>
+				<%= time_ago_in_words(comment.created_at) %> ago
+			</small>
+		</li>
+	<% end %>
+</ul>
+
+<%= simple_form_for([@post, @post.comments.build]) do |f| %>
+	<%= f.input :comment %>
+	<%= f.button :submit, "Add Comment" %>
+<% end %>
+
 <%= link_to "Back", posts_path, class: "btn btn-default" %>
\ No newline at end of file