add newsletters|sections|preview controller and views

app/controllers/newsletters_controller.rb

@@ -0,0 +1,74 @@
+class NewslettersController < ApplicationController
+  before_action :set_newsletter, only: [:show, :edit, :update, :destroy]
+
+  # GET /newsletters
+  # GET /newsletters.json
+  def index
+    @newsletters = Newsletter.all
+  end
+
+  # GET /newsletters/1
+  # GET /newsletters/1.json
+  def show
+  end
+
+  # GET /newsletters/new
+  def new
+    @newsletter = Newsletter.new
+  end
+
+  # GET /newsletters/1/edit
+  def edit
+  end
+
+  # POST /newsletters
+  # POST /newsletters.json
+  def create
+    @newsletter = Newsletter.new(newsletter_params)
+
+    respond_to do |format|
+      if @newsletter.save
+        format.html { redirect_to @newsletter, notice: 'Newsletter was successfully created.' }
+        format.json { render :show, status: :created, location: @newsletter }
+      else
+        format.html { render :new }
+        format.json { render json: @newsletter.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /newsletters/1
+  # PATCH/PUT /newsletters/1.json
+  def update
+    respond_to do |format|
+      if @newsletter.update(newsletter_params)
+        format.html { redirect_to @newsletter, notice: 'Newsletter was successfully updated.' }
+        format.json { render :show, status: :ok, location: @newsletter }
+      else
+        format.html { render :edit }
+        format.json { render json: @newsletter.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /newsletters/1
+  # DELETE /newsletters/1.json
+  def destroy
+    @newsletter.destroy
+    respond_to do |format|
+      format.html { redirect_to newsletters_url, notice: 'Newsletter was successfully destroyed.' }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_newsletter
+      @newsletter = Newsletter.find(params[:id])
+    end
+
+    # Never trust parameters from the scary internet, only allow the white list through.
+    def newsletter_params
+      params.require(:newsletter).permit(:name, :header)
+    end
+end

app/controllers/previews_controller.rb

@@ -0,0 +1,14 @@
+class PreviewsController < ApplicationController
+  layout "preview"
+  before_action :set_newsletter
+
+  def show
+    render "show2"
+  end
+
+  private
+
+  def set_newsletter
+    @newsletter = Newsletter.find params[:newsletter_id]
+  end
+end

app/controllers/sections_controller.rb

@@ -0,0 +1,80 @@
+class SectionsController < ApplicationController
+  before_action :set_section, only: [:show, :edit, :update, :destroy]
+  before_action :set_newsletter, only: [:new, :create]
+
+  # GET /sections
+  # GET /sections.json
+  def index
+    @sections = Section.all
+  end
+
+  # GET /sections/1
+  # GET /sections/1.json
+  def show
+  end
+
+  # GET /sections/new
+  def new
+    @section = @newsletter.sections.new
+  end
+
+  # GET /sections/1/edit
+  def edit
+  end
+
+  # POST /sections
+  # POST /sections.json
+  def create
+    @section = @newsletter.sections.new(section_params)
+
+    respond_to do |format|
+      if @section.save
+        format.html { redirect_to [@newsletter, @section], notice: 'Section was successfully created.' }
+        format.json { render :show, status: :created, location: [@newsletter, @section] }
+      else
+        format.html { render :new }
+        format.json { render json: @section.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /sections/1
+  # PATCH/PUT /sections/1.json
+  def update
+    respond_to do |format|
+      if @section.update(section_params)
+        format.html { redirect_to [@section.newsletter, @section], notice: 'Section was successfully updated.' }
+        format.json { render :show, status: :ok, location: @section }
+      else
+        format.html { render :edit }
+        format.json { render json: @section.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /sections/1
+  # DELETE /sections/1.json
+  def destroy
+    @section.destroy
+    respond_to do |format|
+      format.html { redirect_to sections_url, notice: 'Section was successfully destroyed.' }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_section
+      @section = Section.find(params[:id])
+    end
+
+    def set_newsletter
+      @newsletter = Newsletter.find(params[:newsletter_id])
+    end
+
+
+    # Never trust parameters from the scary internet, only allow the white list through.
+    def section_params
+      params.require(:section).permit(:heading, :content, :image)
+    end
+end

app/views/layouts/preview.html.haml

@@ -0,0 +1,11 @@
+!!!
+%html
+  %head
+    %meta{:content => "text/html; charset=UTF-8", "http-equiv" => "Content-Type"}/
+    %title Newslater
+    = csrf_meta_tags
+    = csp_meta_tag
+    -#= stylesheet_link_tag 'application', media: 'all', 'data-turbolinks-track': 'reload'
+  %body
+    = yield
+

app/views/newsletters/_form.html.haml

@@ -0,0 +1,23 @@
+= form_with(model: newsletter, local: true) do |form|
+  - if newsletter.errors.any?
+    #error_explanation
+      %h2
+        = pluralize(newsletter.errors.count, "error")
+        prohibited this newsletter from being saved:
+      %ul
+        - newsletter.errors.full_messages.each do |message|
+          %li= message
+  .field
+    = form.label :name
+    = form.text_field :name
+  .field
+    = form.label :header
+    = form.text_field :header
+
+  %div
+    %ul
+      - newsletter.sections.order(order: :asc).each do |section|
+        %li= section.heading
+
+  .actions
+    = form.submit

app/views/newsletters/_newsletter.json.jbuilder

@@ -0,0 +1,2 @@
+json.extract! newsletter, :id, :name, :header, :created_at, :updated_at
+json.url newsletter_url(newsletter, format: :json)

app/views/newsletters/edit.html.haml

@@ -0,0 +1,5 @@
+%h1 Editing Newsletter
+= render 'form', newsletter: @newsletter
+= link_to 'Show', @newsletter
+|
+= link_to 'Back', newsletters_path

app/views/newsletters/index.html.haml

@@ -0,0 +1,21 @@
+%p#notice= notice
+%h1 Newsletters
+%table
+  %thead
+    %tr
+      %th Name
+      %th Header
+      %th{:colspan => "6"}
+  %tbody
+    - @newsletters.each do |newsletter|
+      %tr
+        %td= newsletter.name
+        %td= newsletter.header
+        %td= newsletter.sections.count
+        %td= link_to 'Add Section', new_newsletter_section_path(newsletter)
+        %td= link_to 'Preview', newsletter_preview_path(newsletter_id: newsletter)
+        %td= link_to 'Show', newsletter
+        %td= link_to 'Edit', edit_newsletter_path(newsletter)
+        %td= link_to 'Destroy', newsletter, method: :delete, data: { confirm: 'Are you sure?' }
+%br/
+= link_to 'New Newsletter', new_newsletter_path

app/views/newsletters/index.json.jbuilder

@@ -0,0 +1 @@
+json.array! @newsletters, partial: "newsletters/newsletter", as: :newsletter

app/views/newsletters/new.html.haml

@@ -0,0 +1,3 @@
+%h1 New Newsletter
+= render 'form', newsletter: @newsletter
+= link_to 'Back', newsletters_path

app/views/newsletters/show.html.haml

@@ -0,0 +1,20 @@
+%p#notice= notice
+%p
+  %strong Name:
+  = @newsletter.name
+%p
+  %strong Header:
+  = @newsletter.header
+
+%div
+  %ul
+    - @newsletter.sections.order(order: :asc).each do |section|
+      %li= link_to section.heading, [@newsletter, section]
+
+= link_to 'Edit', edit_newsletter_path(@newsletter)
+|
+= link_to 'Add section', new_newsletter_section_path(@newsletter)
+|
+= link_to 'Back', newsletters_path
+|
+= link_to 'Preview', newsletter_preview_path(newsletter_id: @newsletter)

app/views/newsletters/show.json.jbuilder

@@ -0,0 +1 @@
+json.partial! "newsletters/newsletter", newsletter: @newsletter

app/views/previews/show.html.haml

@@ -0,0 +1,5 @@
+= @newsletter.name
+= @newsletter.header
+= @newsletter.sections.order(order: :asc).each do |section|
+  = section.heading
+  = section.content