feat: Modify controllers/viws for nested resources

Author: alex

app/models/post.rb

@@ -1,3 +1,3 @@
 class Post < ApplicationRecord
-  belongs_to :boards
+  belongs_to :board
 end

app/views/boards/index.html.erb

@@ -25,4 +25,3 @@
 <br>
 
 <%= link_to 'New Board', new_board_path %> 
-| <%= link_to 'Posts', posts_path %>

app/views/boards/show.html.erb

@@ -27,6 +27,6 @@
   </tbody>
 </table>
 <br>
-<%= link_to 'New Post', new_board_post_path(@board) | 
+<%= link_to 'New Post', new_board_post_path(@board)%> | 
 <%= link_to 'Edit', edit_board_path(@board) %> |
 <%= link_to 'Back', boards_path %>

app/views/posts/_form.html.erb

@@ -1,27 +1,25 @@
-<%= form_with(model: post, local: true) do |form| %>
-  <% if post.errors.any? %>
-    <div id="error_explanation">
-      <h2><%= pluralize(post.errors.count, "error") %> prohibited this post from being saved:</h2>
+<% if @post.errors.any? %>
+  <div id="error_explanation">
+    <h2><%= pluralize(post.errors.count, "error") %> prohibited this post from being saved:</h2>
 
-      <ul>
-      <% post.errors.full_messages.each do |message| %>
-        <li><%= message %></li>
-      <% end %>
-      </ul>
-    </div>
-  <% end %>
-
-  <div class="field">
-    <%= form.label :title %>
-    <%= form.text_field :title, id: :post_title %>
+    <ul>
+    <% post.errors.full_messages.each do |message| %>
+      <li><%= message %></li>
+    <% end %>
+    </ul>
   </div>
+<% end %>
 
-  <div class="field">
-    <%= form.label :content %>
-    <%= form.text_area :content, id: :post_content %>
-  </div>
+<div class="field">
+  <%= form.label :title %>
+  <%= form.text_field :title, id: :post_title %>
+</div>
 
-  <div class="actions">
-    <%= form.submit %>
-  </div>
-<% end %>
+<div class="field">
+  <%= form.label :content %>
+  <%= form.text_area :content, id: :post_content %>
+</div>
+
+<div class="actions">
+  <%= form.submit %>
+</div>

app/views/posts/edit.html.erb

@@ -1,6 +1,8 @@
 <h1>Editing Post</h1>
 
-<%= render 'form', post: @post %>
+<%= form_with(model: @post, local: true, :url => board_post_path(@board, @post)) do |f| %>
+  <%= render 'form', form: f %>
+<% end %>
 
-<%= link_to 'Show', @post %> |
-<%= link_to 'Back', posts_path %>
+<%= link_to 'Show', board_post_path(@board, @post) %> |
+<%= link_to 'Back', board_posts_path(@board) %>

app/views/posts/new.html.erb

@@ -1,5 +1,7 @@
 <h1>New Post</h1>
 
-<%= render 'form', post: @post %>
+<%= form_with(model: @post, local: true, :url => board_posts_path(@board)) do |f| %>
+  <%= render 'form', form: f %>
+<% end %>
 
-<%= link_to 'Back', posts_path %>
+<%= link_to 'Back', board_posts_path(@board) %>

app/views/posts/show.html.erb

@@ -10,5 +10,5 @@
   <%= @post.content %>
 </p>
 
-<%= link_to 'Edit', edit_post_path(@post) %> |
-<%= link_to 'Back', posts_path %>
+<%= link_to 'Edit', edit_board_post_path(@board, @post) %> |
+<%= link_to 'Back', board_posts_path(@board) %>

db/seeds.rb

@@ -8,6 +8,6 @@
 5.times do |i|
   Board.create(name: "board ##{i+1}")
   2.times do |j|
-    Post.create(title: "title for b#{i+1} p#{j+1}", content: "content for board ##{i+1} post ##{j+1}")
+    Post.create(title: "title for b#{i+1} p#{j+1}", content: "content for board ##{i+1} post ##{j+1}", board_id: i+1)
   end
 end