Add user microposts

Author: mhartl

Gemfile

@@ -3,20 +3,22 @@ git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
 ruby "3.1.1"
 
-gem "rails",                   "7.0.2.3"
-gem "bcrypt",                  "3.1.16"
-gem "faker",                   "2.20.0"
-gem "will_paginate",           "3.3.1"
-gem "bootstrap-will_paginate", "1.0.0"
-gem "bootstrap-sass",          "3.4.1"
-gem "sassc-rails",             "2.1.2"
-gem "sprockets-rails",         "3.4.2"
-gem "importmap-rails",         "1.0.3"
-gem "turbo-rails",             "1.0.1"
-gem "stimulus-rails",          "1.0.4"
-gem "jbuilder",                "2.11.5"
-gem "puma",                    "5.6.4"
-gem "bootsnap",                "1.11.1", require: false
+gem "rails",                      "7.0.2.3"
+gem "image_processing",           "1.12.2"
+gem "active_storage_validations", "0.9.7"
+gem "bcrypt",                     "3.1.16"
+gem "faker",                      "2.20.0"
+gem "will_paginate",              "3.3.1"
+gem "bootstrap-will_paginate",    "1.0.0"
+gem "bootstrap-sass",             "3.4.1"
+gem "sassc-rails",                "2.1.2"
+gem "sprockets-rails",            "3.4.2"
+gem "importmap-rails",            "1.0.3"
+gem "turbo-rails",                "1.0.1"
+gem "stimulus-rails",             "1.0.4"
+gem "jbuilder",                   "2.11.5"
+gem "puma",                       "5.6.4"
+gem "bootsnap",                   "1.11.1", require: false
 
 group :development, :test do
   gem "debug",   "1.4.0", platforms: %i[ mri mingw x64_mingw ]
@@ -39,7 +41,8 @@ group :test do
 end
 
 group :production do
-  gem "pg", "1.3.3"
+  gem "pg",         "1.3.3"
+  gem "aws-sdk-s3", "1.113.0", require: false
 end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem.

Gemfile.lock

@@ -46,6 +46,11 @@ GEM
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.1, >= 1.2.0)
+    active_storage_validations (0.9.7)
+      activejob (>= 5.2.0)
+      activemodel (>= 5.2.0)
+      activestorage (>= 5.2.0)
+      activesupport (>= 5.2.0)
     activejob (7.0.2.3)
       activesupport (= 7.0.2.3)
       globalid (>= 0.3.6)
@@ -71,6 +76,22 @@ GEM
     ansi (1.5.0)
     autoprefixer-rails (10.4.2.0)
       execjs (~> 2)
+    aws-eventstream (1.2.0)
+    aws-partitions (1.574.0)
+    aws-sdk-core (3.130.0)
+      aws-eventstream (~> 1, >= 1.0.2)
+      aws-partitions (~> 1, >= 1.525.0)
+      aws-sigv4 (~> 1.1)
+      jmespath (~> 1.0)
+    aws-sdk-kms (1.55.0)
+      aws-sdk-core (~> 3, >= 3.127.0)
+      aws-sigv4 (~> 1.1)
+    aws-sdk-s3 (1.113.0)
+      aws-sdk-core (~> 3, >= 3.127.0)
+      aws-sdk-kms (~> 1)
+      aws-sigv4 (~> 1.4)
+    aws-sigv4 (1.4.0)
+      aws-eventstream (~> 1, >= 1.0.2)
     bcrypt (3.1.16)
     bindex (0.8.1)
     bootsnap (1.11.1)
@@ -121,6 +142,9 @@ GEM
       minitest (>= 3.0)
     i18n (1.10.0)
       concurrent-ruby (~> 1.0)
+    image_processing (1.12.2)
+      mini_magick (>= 4.9.5, < 5)
+      ruby-vips (>= 2.0.17, < 3)
     importmap-rails (1.0.3)
       actionpack (>= 6.0.0)
       railties (>= 6.0.0)
@@ -130,6 +154,7 @@ GEM
     jbuilder (2.11.5)
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
+    jmespath (1.6.1)
     listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
@@ -142,6 +167,7 @@ GEM
     marcel (1.0.2)
     matrix (0.4.2)
     method_source (1.0.0)
+    mini_magick (4.11.0)
     mini_mime (1.1.2)
     minitest (5.15.0)
     minitest-reporters (1.5.0)
@@ -221,6 +247,8 @@ GEM
       io-console (~> 0.5)
     rexml (3.2.5)
     ruby-progressbar (1.11.0)
+    ruby-vips (2.1.4)
+      ffi (~> 1.12)
     rubyzip (2.3.2)
     sassc (2.4.0)
       ffi (~> 1.9)
@@ -275,6 +303,8 @@ PLATFORMS
   x86_64-darwin-19
 
 DEPENDENCIES
+  active_storage_validations (= 0.9.7)
+  aws-sdk-s3 (= 1.113.0)
   bcrypt (= 3.1.16)
   bootsnap (= 1.11.1)
   bootstrap-sass (= 3.4.1)
@@ -284,6 +314,7 @@ DEPENDENCIES
   faker (= 2.20.0)
   guard (= 2.18.0)
   guard-minitest (= 2.4.6)
+  image_processing (= 1.12.2)
   importmap-rails (= 1.0.3)
   jbuilder (= 2.11.5)
   minitest (= 5.15.0)

app/assets/stylesheets/custom.scss

@@ -224,4 +224,51 @@ input {
     padding: 10px 0;
     border-bottom: 1px solid $gray-lighter;
   }
+}
+
+/* microposts */
+
+.microposts {
+  list-style: none;
+  padding: 0;
+  li {
+    padding: 10px 0;
+    border-top: 1px solid #e8e8e8;
+  }
+  .user {
+    margin-top: 5em;
+    padding-top: 0;
+  }
+  .content {
+    display: block;
+    margin-left: 60px;
+    img {
+      display: block;
+      padding: 5px 0;
+    }
+  }
+  .timestamp {
+    color: $gray-light;
+    display: block;
+    margin-left: 60px;
+  }
+  .gravatar {
+    float: left;
+    margin-right: 10px;
+    margin-top: 5px;
+  }
+}
+
+aside {
+  textarea {
+    height: 100px;
+    margin-bottom: 5px;
+  }
+}
+
+span.image {
+  margin-top: 10px;
+  input {
+    border: 0;
+  }
 }

app/controllers/application_controller.rb

@@ -1,3 +1,14 @@
 class ApplicationController < ActionController::Base
   include SessionsHelper
-end
+
+  private
+
+    # Confirms a logged-in user.
+    def logged_in_user
+      unless logged_in?
+        store_location
+        flash[:danger] = "Please log in."
+        redirect_to login_url
+      end
+    end
+end

app/controllers/microposts_controller.rb

@@ -0,0 +1,37 @@
+class MicropostsController < ApplicationController
+  before_action :logged_in_user, only: [:create, :destroy]
+  before_action :correct_user,   only: :destroy
+
+  def create
+    @micropost = current_user.microposts.build(micropost_params)
+    @micropost.image.attach(params[:micropost][:image])
+    if @micropost.save
+      flash[:success] = "Micropost created!"
+      redirect_to root_url
+    else
+      @feed_items = current_user.feed.paginate(page: params[:page])
+      render 'static_pages/home', status: :unprocessable_entity
+    end
+  end
+
+  def destroy
+    @micropost.destroy
+    flash[:success] = "Micropost deleted"
+    if request.referrer.nil? || request.referrer == microposts_url
+      redirect_to root_url
+    else
+      redirect_to request.referrer, status: :see_other
+    end
+  end
+
+  private
+
+    def micropost_params
+      params.require(:micropost).permit(:content, :image)
+    end
+
+    def correct_user
+      @micropost = current_user.microposts.find_by(id: params[:id])
+      redirect_to root_url if @micropost.nil?
+    end
+end

app/controllers/static_pages_controller.rb

@@ -1,13 +1,18 @@
 class StaticPagesController < ApplicationController
+
   def home
+    if logged_in?
+      @micropost  = current_user.microposts.build
+      @feed_items = current_user.feed.paginate(page: params[:page])
+    end
   end
 
   def help
   end
 
   def about
   end
-  
+
   def contact
   end
 end

app/controllers/users_controller.rb

@@ -9,6 +9,7 @@ def index
 
   def show
     @user = User.find(params[:id])
+    @microposts = @user.microposts.paginate(page: params[:page])
   end
 
   def new
@@ -55,15 +56,6 @@ def user_params
 
     # Before filters
 
-    # Confirms a logged-in user.
-    def logged_in_user
-      unless logged_in?
-        store_location
-        flash[:danger] = "Please log in."
-        redirect_to login_url
-      end
-    end
-
     # Confirms the correct user.
     def correct_user
       @user = User.find(params[:id])

app/helpers/microposts_helper.rb

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

app/javascript/application.js

@@ -3,3 +3,4 @@
 import "@hotwired/turbo-rails"
 import "controllers"
 import "custom/menu"
+import "custom/image_upload"

app/javascript/custom/image_upload.js

@@ -0,0 +1,9 @@
+// Prevent uploading of big images.
+document.addEventListener("change", function(event) {
+  let image_upload = document.querySelector("#micropost_image");
+  const size_in_megabytes = image_upload.files[0].size/1024/1024;
+  if (size_in_megabytes > 5) {
+    alert("Maximum file size is 5MB. Please choose a smaller file.");
+    image_upload.value = "";
+  }
+});