Create Announcement model & controller

app/assets/javascripts/announcement.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/stylesheets/announcement.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the announcement controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/controllers/announcement_controller.rb

@@ -0,0 +1,20 @@
+class AnnouncementController < ApplicationController
+  def index
+    @announcements = Announcement.all
+  end
+
+  def new
+  end
+
+  def create
+  end
+
+  def edit
+  end
+
+  def update
+  end
+
+  def destroy
+  end
+end

app/helpers/announcement_helper.rb

@@ -0,0 +1,2 @@
+module AnnouncementHelper
+end

app/models/announcement.rb

@@ -0,0 +1,2 @@
+class Announcement < ApplicationRecord
+end

app/views/announcement/edit.html.haml

@@ -0,0 +1,2 @@
+<h1>Announcement#edit</h1>
+<p>Find me in app/views/announcement/edit.html.erb</p>

app/views/announcement/index.html.haml

@@ -0,0 +1,8 @@
+- provide(:title, generate_title("Announcements"))
+.container.j2-page
+  .row
+    .col-md-12
+      = link_to "Add new", :announcement_new, class: "btn btn-default"
+  - @announcements.each do |announcement|
+    .panel.panel-default
+      = announcement.content

app/views/announcement/new.html.haml

@@ -0,0 +1,2 @@
+<h1>Announcement#new</h1>
+<p>Find me in app/views/announcement/new.html.erb</p>

config/routes.rb

@@ -127,5 +127,12 @@ Rails.application.routes.draw do
   match '/:username/groups(/p/:page)', to: 'user#groups', via: 'get', as: :show_user_groups, defaults: {page: 1}
   match '/:username/questions(/p/:page)', to: 'user#questions', via: 'get', as: :show_user_questions, defaults: {page: 1}
 
+  match "/admin/announcements", to: "announcement#index", via: :get, as: :announcement_index
+  match "/admin/announcements", to: "announcement#create", via: :post, as: :announcement_create
+  match "/admin/announcements/new", to: "announcement#new", via: :get, as: :announcement_new
+  match "/admin/announcements/:id/edit", to: "announcement#edit", via: :get, as: :announcement_edit
+  match "/admin/announcements/:id", to: "announcement#update", via: :patch, as: :announcement_update
+  match "/admin/announcements/:id", to: "announcement#destroy", via: :delete, as: :announcement_destroy
+
   puts 'processing time of routes.rb: ' + "#{(Time.now - start).round(3).to_s.ljust(5, '0')}s".light_green
 end

db/migrate/20200419183714_create_announcements.rb

@@ -0,0 +1,14 @@
+class CreateAnnouncements < ActiveRecord::Migration[5.2]
+  def change
+    create_table :announcements do |t|
+      t.text :content, null: false
+      t.string :link_text
+      t.string :link_href
+      t.datetime :starts_at, null: false
+      t.datetime :ends_at, null: false
+      t.belongs_to :user, null: false
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -10,11 +10,23 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2016_01_05_165913) do
+ActiveRecord::Schema.define(version: 2020_04_19_183714) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
+  create_table "announcements", force: :cascade do |t|
+    t.text "content", null: false
+    t.string "link_text"
+    t.string "link_href"
+    t.datetime "starts_at", null: false
+    t.datetime "ends_at", null: false
+    t.bigint "user_id", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["user_id"], name: "index_announcements_on_user_id"
+  end
+
   create_table "answers", id: :serial, force: :cascade do |t|
     t.text "content"
     t.integer "question_id"

spec/helpers/announcement_helper_spec.rb

@@ -0,0 +1,15 @@
+require 'rails_helper'
+
+# Specs in this file have access to a helper object that includes
+# the AnnouncementHelper. For example:
+#
+# describe AnnouncementHelper do
+#   describe "string concat" do
+#     it "concats two strings with spaces" do
+#       expect(helper.concat_strings("this","that")).to eq("this that")
+#     end
+#   end
+# end
+RSpec.describe AnnouncementHelper, type: :helper do
+  pending "add some examples to (or delete) #{__FILE__}"
+end

spec/models/announcement_spec.rb

@@ -0,0 +1,5 @@
+require 'rails_helper'
+
+RSpec.describe Announcement, type: :model do
+  pending "add some examples to (or delete) #{__FILE__}"
+end