set up example scaffold with rspec + factorybot tests

app/controllers/dashboard/examples_controller.rb

@@ -0,0 +1,60 @@
+module Dashboard
+  class ExamplesController < ApplicationController
+    before_action :set_example, only: %i[ show edit update destroy ]
+
+    # GET /examples
+    def index
+      @examples = Example.all
+    end
+
+    # GET /examples/1
+    def show
+    end
+
+    # GET /examples/new
+    def new
+      @example = Example.new
+    end
+
+    # GET /examples/1/edit
+    def edit
+    end
+
+    # POST /examples
+    def create
+      @example = Example.new(example_params)
+
+      if @example.save
+        redirect_to @example, notice: "Example was successfully created."
+      else
+        render :new, status: :unprocessable_entity
+      end
+    end
+
+    # PATCH/PUT /examples/1
+    def update
+      if @example.update(example_params)
+        redirect_to @example, notice: "Example was successfully updated.", status: :see_other
+      else
+        render :edit, status: :unprocessable_entity
+      end
+    end
+
+    # DELETE /examples/1
+    def destroy
+      @example.destroy!
+      redirect_to examples_url, notice: "Example was successfully destroyed.", status: :see_other
+    end
+
+    private
+      # Use callbacks to share common setup or constraints between actions.
+      def set_example
+        @example = Example.find(params[:id])
+      end
+
+      # Only allow a list of trusted parameters through.
+      def example_params
+        params.require(:example).permit(:text, :body)
+      end
+  end
+end

app/helpers/dashboard/examples_helper.rb

@@ -0,0 +1,4 @@
+module Dashboard
+  module ExamplesHelper
+  end
+end

app/models/dashboard/example.rb

@@ -0,0 +1,4 @@
+module Dashboard
+  class Example < ApplicationRecord
+  end
+end

app/views/dashboard/examples/_example.html.erb

@@ -0,0 +1,12 @@
+<div id="<%= dom_id example %>">
+  <p>
+    <strong>Text:</strong>
+    <%= example.text %>
+  </p>
+
+  <p>
+    <strong>Body:</strong>
+    <%= example.body %>
+  </p>
+
+</div>

app/views/dashboard/examples/_form.html.erb

@@ -0,0 +1,27 @@
+<%= form_with(model: example) do |form| %>
+  <% if example.errors.any? %>
+    <div style="color: red">
+      <h2><%= pluralize(example.errors.count, "error") %> prohibited this example from being saved:</h2>
+
+      <ul>
+        <% example.errors.each do |error| %>
+          <li><%= error.full_message %></li>
+        <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div>
+    <%= form.label :text, style: "display: block" %>
+    <%= form.text_field :text %>
+  </div>
+
+  <div>
+    <%= form.label :body, style: "display: block" %>
+    <%= form.text_area :body %>
+  </div>
+
+  <div>
+    <%= form.submit %>
+  </div>
+<% end %>

app/views/dashboard/examples/edit.html.erb

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+<h1>Editing example</h1>
+
+<%= render "form", example: @example %>
+
+<br>
+
+<div>
+  <%= link_to "Show this example", @example %> |
+  <%= link_to "Back to examples", examples_path %>
+</div>

app/views/dashboard/examples/index.html.erb

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+<p style="color: green"><%= notice %></p>
+
+<h1>Examples</h1>
+
+<div id="examples">
+  <% @examples.each do |example| %>
+    <%= render example %>
+    <p>
+      <%= link_to "Show this example", example %>
+    </p>
+  <% end %>
+</div>
+
+<%= link_to "New example", new_example_path %>

app/views/dashboard/examples/new.html.erb

@@ -0,0 +1,9 @@
+<h1>New example</h1>
+
+<%= render "form", example: @example %>
+
+<br>
+
+<div>
+  <%= link_to "Back to examples", examples_path %>
+</div>

app/views/dashboard/examples/show.html.erb

@@ -0,0 +1,10 @@
+<p style="color: green"><%= notice %></p>
+
+<%= render @example %>
+
+<div>
+  <%= link_to "Edit this example", edit_example_path(@example) %> |
+  <%= link_to "Back to examples", examples_path %>
+
+  <%= button_to "Destroy this example", @example, method: :delete %>
+</div>