Private conversation

app/assets/javascripts/private/conversations.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/partials/posts/branch_page.scss

@@ -95,6 +95,30 @@
   .infinite-scroll {
     display: none;
   }
+
+  .send-message-to-user {
+    background-color: $navbarColor;
+    padding: 10px;
+    color: white;
+    border-radius: 10px;
+    margin-top: 10px;
+    &:hover {
+      background-color: black;
+      color: white;
+    }
+  }
+
+  .contact-user {
+    text-align: center;
+  }
+
+  .contacted-user {
+    display: inline-block;
+    border-radius: 10px;
+    padding: 10px;
+    background-color: $navbarColor;
+    color: white;
+  }
 
   #branch-main-content {
     background: white;

app/assets/stylesheets/private/conversations.scss

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

app/controllers/posts_controller.rb

@@ -17,7 +17,10 @@ def create
     end
 
     def show
-        @post = Post.find(params[:id]) 
+        @post = Post.find(params[:id])
+        if user_signed_in?
+            @message_has_been_sent = conversation_exist?
+        end 
     end
 
     def study
@@ -56,4 +59,8 @@ def get_posts
 
         }).call
     end
+
+    def conversation_exist?
+        Private::Conversation.between_users(current_user.id, @post.user.id).present?
+    end
 end

app/controllers/private/conversations_controller.rb

@@ -0,0 +1,33 @@
+class Private::ConversationsController < ApplicationController
+    def create 
+        recipient_id = Post.find(params[:post_id]).user.id 
+        @conversation = Private::Conversation.new(sender_id: current_user.id,
+                                                 recipient_id: recipient_id)
+        if @conversation.save
+            Private::Message.create(user_id: recipient_id,
+                                    conversation_id: @conversation.id,
+                                    body: params[:message_body])
+
+            add_to_conversations unless already_added?
+
+            respond_to do |format|
+                format.js {render partial: 'posts/show/contact_user/message_form/success'}
+            end
+        else
+            respond_to do |format|
+                format.js {render partial: 'posts/show/contact_user/message_form/fail'}
+            end
+        end
+    end
+
+    private 
+
+    def add_to_conversations
+        session[:private_conversations] ||= []
+        session[:private_conversations] << @conversation.id
+    end
+
+    def already_added?
+        session[:private_conversations].include?(@conversation.id)
+    end
+end

app/helpers/posts_helper.rb

@@ -38,4 +38,20 @@ def update_pagination_partial_path
             'posts/posts_pagination_page/remove_pagination'
         end
     end
+
+    def contact_user_partial_path
+        if user_signed_in?
+            @post.user.id != current_user.id ? 'posts/show/contact_user' : 'shared/empty_partial'
+        else
+            'posts/show/login_required'
+        end
+    end
+
+    def leave_message_partial_path
+        if @message_has_been_sent
+            'posts/show/contact_user/already_in_touch'
+        else
+            'posts/show/contact_user/message_form'
+        end
+    end
 end

app/helpers/private/conversations_helper.rb

@@ -0,0 +1,13 @@
+module Private::ConversationsHelper
+    def private_conv_recipient(conversation)
+        conversation.opposed_user(current_user)
+    end
+
+    def load_private_messages(conversation)
+        if conversation.messages.count > 0
+            'private/conversations/conversation/messages_list/link_to_previous_messages'
+        else
+            'shared/empty_partial'
+        end
+    end
+end

app/models/private/conversation.rb

@@ -0,0 +1,19 @@
+class Private::Conversation < ApplicationRecord
+    self.table_name = 'private_conversations'
+
+    has_many :messages, 
+             class_name: "Private::Message",
+             foreign_key: :conversation_id
+    belongs_to :sender, foreign_key: :sender_id, class_name: 'User'
+    belongs_to :recipient, foreign_key: :recipient_id, class_name: 'User'
+
+    scope :between_users, -> (user1_id, user2_id) do
+        where(sender_id: user1_id, recipient_id: user2_id).or(
+            where(sender_id: user2_id, recipient_id: user1_id)
+        ) 
+    end
+
+    def opposed_user(user)
+        user == recipient ? sender : recipient
+    end
+end

app/models/private/message.rb

@@ -0,0 +1,8 @@
+class Private::Message < ApplicationRecord
+    self.table_name = 'private_messages'
+
+    belongs_to :user 
+    belongs_to :conversation,
+                class_name: "Private::Conversation",
+                foreign_key: :conversation_id
+end

app/models/user.rb

@@ -5,4 +5,8 @@ class User < ApplicationRecord
          :recoverable, :rememberable, :validatable
 
   has_many :posts, dependent: :destroy
+  has_many :private_messages, class_name: "Private::Message"
+  has_many :private_conversations,
+            foreign_key: :sender_id,
+            class_name: "Private::Conversation"
 end

app/views/posts/show.html.erb

@@ -4,6 +4,7 @@
       <div class="posted-by">Posted by <%= @post.user.name %></div>
       <h3><%= @post.title %></h3>
       <p><%= @post.content %></p>
+      <%= render contact_user_partial_path %>
     </div>
   </div><!-- row -->
 </div>

app/views/posts/show/_contact_user.html.erb

@@ -0,0 +1,3 @@
+<div class="contact-user">
+  <%= render leave_message_partial_path %>
+</div><!-- contact-user -->

app/views/posts/show/_login_required.html.erb

@@ -0,0 +1,3 @@
+<div class="text-center">
+  To contact the user you have to <%= link_to 'Login', login_path %> 
+</div>

app/views/posts/show/contact_user/_already_in_touch.html.erb

@@ -0,0 +1,3 @@
+<div class="contacted-user">
+  You are already in touch with this user
+</div>

app/views/posts/show/contact_user/_message_form.html.erb

@@ -0,0 +1,12 @@
+<%= form_tag({controller: "private/conversations", action: "create"},
+              method: "post",
+              remote: true) do %>
+    <%= hidden_field_tag(:post_id, @post.id) %>
+    <%= text_area_tag(:message_body,
+                      nil,
+                      rows: 3,
+                      class: 'form-control',
+                      placeholder: 'Send a message to the user') %>
+    <%= submit_tag('Send a message', class: 'btn send-message-to-user') %>
+<% end %>
+

app/views/posts/show/contact_user/message_form/_fail.js

@@ -0,0 +1 @@
+$('.contact-user').replaceWith('<div>Message has not been sent</div>');

app/views/posts/show/contact_user/message_form/_success.js.erb

@@ -0,0 +1,4 @@
+$('.contact-user').replaceWith('\
+    <div class="contact-user">\
+        <div class="contacted-user">Message has been sent</div>\
+    </div>');

app/views/private/conversations/_conversation.html.erb

@@ -0,0 +1,20 @@
+<% @recipient = private_conv_recipient(conversation) %>
+<% @is_messenger = false %>
+<li class="conversation-window" 
+    id="pc<%= conversation.id %>" 
+    data-pconversation-user-name="<%= @recipient.name %>" 
+    data-turbolinks-permanent>
+  <div class="panel panel-default" data-pconversation-id="<%= conversation.id %>">
+    <%= render 'private/conversations/conversation/heading', 
+                conversation: conversation %>
+
+    <!-- Conversation window's content -->
+    <div class="panel-body">
+      <%= render 'private/conversations/conversation/messages_list', 
+                  conversation: conversation %>
+      <%= render 'private/conversations/conversation/new_message_form', 
+                  conversation: conversation,
+                  user: user %>
+    </div><!-- panel-body -->
+  </div>
+</li><!-- conversation-window -->

app/views/private/conversations/conversation/_heading.html.erb

@@ -0,0 +1,11 @@
+<div class="panel-heading conversation-heading">
+  <span class="contact-name-notif"><%= @recipient.name %></span>  
+</div> <!-- conversation-heading -->
+
+<!-- Close conversation button -->
+<%= link_to "X", 
+            close_private_conversation_path(conversation), 
+            class: 'close-conversation', 
+            title: 'Close', 
+            remote: true, 
+            method: :post %>

app/views/private/conversations/conversation/_messages_list.html.erb

@@ -0,0 +1,9 @@
+<div class="messages-list">
+  <%= render load_private_messages(conversation), conversation: conversation %>
+  <div class="loading-more-messages">
+    <i class="fa fa-spinner" aria-hidden="true"></i>
+  </div>
+  <!-- messages -->
+  <ul>
+  </ul>
+</div>

app/views/private/conversations/conversation/messages_list/_link_to_previous_messages.html.erb

@@ -0,0 +1,6 @@
+<%= link_to "Load messages", 
+            private_messages_path(:conversation_id => conversation.id, 
+                                  :messages_to_display_offset => @messages_to_display_offset,
+                                  :is_messenger => @is_messenger),
+            class: 'load-more-messages', 
+            remote: true %>

config/routes.rb

@@ -15,4 +15,13 @@
       get 'team'
     end 
   end
+
+  namespace :private do
+    resources :conversations, only: [:create] do
+      member do
+        post :close 
+      end 
+    end
+    resources :messages, only: [:index, :create] 
+  end
 end

db/migrate/20211211044212_create_private_conversations.rb

@@ -0,0 +1,14 @@
+class CreatePrivateConversations < ActiveRecord::Migration[5.1]
+  def change
+    create_table :private_conversations do |t|
+      t.integer :recipient_id
+      t.integer :sender_id
+
+      t.timestamps
+    end
+
+    add_index :private_conversations, :recipient_id
+    add_index :private_conversations, :sender_id
+    add_index :private_conversations, [:recipient_id, :sender_id], unique: true
+  end
+end

db/migrate/20211211044226_create_private_messages.rb

@@ -0,0 +1,12 @@
+class CreatePrivateMessages < ActiveRecord::Migration[5.1]
+  def change
+    create_table :private_messages do |t|
+      t.text :body
+      t.references :user, foreign_key: true
+      t.belongs_to :conversation, index: true
+      t.boolean :seen, default: false
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20211111154915) do
+ActiveRecord::Schema.define(version: 20211211044226) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -31,6 +31,27 @@
     t.index ["user_id"], name: "index_posts_on_user_id"
   end
 
+  create_table "private_conversations", force: :cascade do |t|
+    t.integer "recipient_id"
+    t.integer "sender_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["recipient_id", "sender_id"], name: "index_private_conversations_on_recipient_id_and_sender_id", unique: true
+    t.index ["recipient_id"], name: "index_private_conversations_on_recipient_id"
+    t.index ["sender_id"], name: "index_private_conversations_on_sender_id"
+  end
+
+  create_table "private_messages", force: :cascade do |t|
+    t.text "body"
+    t.bigint "user_id"
+    t.bigint "conversation_id"
+    t.boolean "seen", default: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["conversation_id"], name: "index_private_messages_on_conversation_id"
+    t.index ["user_id"], name: "index_private_messages_on_user_id"
+  end
+
   create_table "users", force: :cascade do |t|
     t.string "name", default: "", null: false
     t.string "email", default: "", null: false
@@ -44,4 +65,5 @@
     t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
   end
 
+  add_foreign_key "private_messages", "users"
 end

spec/controllers/private/conversations_controller_spec.rb

@@ -0,0 +1,5 @@
+require 'rails_helper'
+
+RSpec.describe Private::ConversationsController, type: :controller do
+
+end

spec/factories/private_conversations.rb

@@ -0,0 +1,17 @@
+FactoryGirl.define do
+  factory :private_conversation, class: 'Private::Conversation' do
+    association :recipient, factory: :user 
+    association :sender, factory: :user
+
+    factory :private_conversation_with_messages do
+      transient do 
+        messages_count 1
+      end
+
+      after(:create) do |private_conversation, evaluator|
+        create_list(:private_message, evaluator.messages_count, 
+                    conversation: private_conversation)
+      end      
+    end
+  end
+end

spec/factories/private_messages.rb

@@ -0,0 +1,7 @@
+FactoryGirl.define do
+  factory :private_message, class: 'Private::Message' do
+    body 'a'*20
+    association :conversation, factory: :private_conversation
+    user
+  end
+end