inserted rubocop; fixed tests to neo4j

.rubocop.yml

@@ -0,0 +1,72 @@
+AllCops:
+  TargetRubyVersion: 2.7.1
+  Exclude:
+    - "Gemfile"
+    - "Gemfile.lock"
+    - "db/schema.rb"
+
+Layout/ParameterAlignment:
+  EnforcedStyle: with_fixed_indentation
+
+Layout/DotPosition:
+  EnforcedStyle: trailing
+
+Layout/FirstHashElementIndentation:
+  EnforcedStyle: consistent
+
+Layout/MultilineMethodCallIndentation:
+  EnforcedStyle: indented
+
+Layout/EmptyLinesAroundAttributeAccessor:
+  Enabled: true
+
+Layout/SpaceAroundMethodCallOperator:
+  Enabled: true
+
+Lint/DeprecatedOpenSSLConstant:
+  Enabled: true
+
+Lint/MixedRegexpCaptureTypes:
+  Enabled: true
+
+Lint/RaiseException:
+  Enabled: true
+
+Lint/StructNewOverride:
+  Enabled: true
+
+Style/Documentation:
+  Enabled: false
+
+Style/FrozenStringLiteralComment:
+  Enabled: false
+
+Style/AsciiComments:
+  Enabled: false
+
+Style/TrailingCommaInHashLiteral:
+  EnforcedStyleForMultiline: comma
+
+Style/TrailingCommaInArrayLiteral:
+  EnforcedStyleForMultiline: comma
+
+Style/ExponentialNotation:
+  Enabled: true
+
+Style/HashEachMethods:
+  Enabled: true
+
+Style/HashTransformKeys:
+  Enabled: true
+
+Style/HashTransformValues:
+  Enabled: true
+
+Style/RedundantRegexpCharacterClass:
+  Enabled: true
+
+Style/RedundantRegexpEscape:
+  Enabled: true
+
+Style/SlicingWithRange:
+  Enabled: true

README.md

@@ -1,31 +1,36 @@
-# README
+# Angora
 
-This README would normally document whatever steps are necessary to get the
-application up and running.
+## Dependencies
 
-Things you may want to cover:
+* Docker https://docs.docker.com
+* Docker Compose https://docs.docker.com/compose/
 
-* Ruby version
+## Running
 
-* System dependencies
+Run the below code:
 
-* Configuration
-
-* Database creation
+```
+docker-compose run web
+```
 
-* Database initialization
+## Setup
 
-* How to run the test suite
+You need execute migrations to neo4j and populate database with default test data to see the system works.
 
-* Services (job queues, cache servers, search engines, etc.)
+```
+docker-compose run web rails neo4j:migrate RAILS_ENV=development
+docker-compose run web rake db:seed
+```
 
-* Deployment instructions
+## Testing
 
-* ...
+Run the below code:
 
-## Debugging with `byebug`
+```
+docker-compose run web rails test
+```
 
-## Docker compos config
+## Debugging with `byebug` inside the Docker
 
 ```yaml
 app:
@@ -37,7 +42,7 @@ This also makes it possible to after the containers are up do `docker attach ang
 
 https://github.com/docker/compose/issues/423#issuecomment-141995398
 
-## Neo4j
+## Neo4j tips
 
 ### Removing data
 

app/controllers/application_controller.rb

@@ -3,7 +3,11 @@ class ApplicationController < ActionController::Base
 
   def set_session_user_id
     if session[:session_user_id].present?
-      @current_user = User.find(session[:session_user_id]) rescue nil
+      @current_user = begin
+                        User.find(session[:session_user_id])
+                      rescue StandardError
+                        nil
+                      end
     end
 
     @current_user = User.first if @current_user.nil?

app/controllers/users_controller.rb

@@ -1,7 +1,7 @@
 class UsersController < ApplicationController
   ACTIVE_MODEL_CLASS = User # UserNeo4j
 
-  before_action :set_user, only: [:show, :friends, :edit, :update, :destroy, :invite]
+  before_action :set_user, only: %i[show friends edit update destroy invite]
 
   # GET /users
   # GET /users.json
@@ -12,13 +12,22 @@ def index
   # GET /users/1
   # GET /users/1.json
   def show
-    @user_neo4j = UserNeo4j.find(@user.neo4j_uuid)
-    @friends_path = {}
+    user_neo4j = UserNeo4j.find(@user.neo4j_uuid)
 
     if params[:q].present?
-      @friends, @friends_path = @user_neo4j.friendsBySearch(params[:q])
-    elsif @user_neo4j.present?
-      @friends = @user_neo4j.friends
+      friends, friends_path = user_neo4j.friends_by_search(params[:q])
+    elsif user_neo4j.present?
+      friends = user_neo4j.friends
+    end
+
+    # FIXME: Change this When use ACTIVE_MODEL_CLASS as UserNeo4j
+    @friends = User.where(:neo4j_uuid.in => friends.pluck(:uuid))
+    @friends_path = friends_path&.transform_values do |item|
+      uuids = item.map { |node| node.props[:uuid] }
+
+      # it is necessary to order after query in database to preser correct path
+      User.where(:neo4j_uuid.in => uuids).
+        to_a.sort_by { |value| uuids.index(value.neo4j_uuid) }
     end
   end
 
@@ -39,8 +48,7 @@ def new
   end
 
   # GET /users/1/edit
-  def edit
-  end
+  def edit; end
 
   # POST /users
   # POST /users.json
@@ -76,19 +84,12 @@ def update
   # GET /users/1/invite.json
   def invite
     notice = 'User was successfully invited.'
-    friend_a = UserNeo4j.find(@current_user.neo4j_uuid)
-    friend_b = UserNeo4j.find(@user.neo4j_uuid)
-
-    if friend_a.friends(rel_length: 1).where({ uuid: @user.neo4j_uuid }).present?
-      notice = 'User was successfully uninvited.'
-      friend_a.friends.delete(friend_b)
-      friend_b.friends.delete(friend_a)
-    else
-      friend_a.friends << friend_b
-      friend_b.friends << friend_a
-    end
+
+    neo4j = UserNeo4j.find(@current_user.neo4j_uuid)
+    neo4j.invite(@user.neo4j_uuid)
 
     respond_to do |format|
+      format.js { render json: { status: :ok, message: notice } }
       format.html { redirect_to user_path(@user), notice: notice }
       format.json { render json: { status: :ok, message: notice } }
     end

app/helpers/users_helper.rb

@@ -1,12 +1,16 @@
 module UsersHelper
   def invite_link_to(user)
     neo4j = UserNeo4j.find(@current_user.neo4j_uuid)
-    invited = neo4j.friends.find(user.neo4j_uuid).present? rescue nil
+    invited = begin
+                neo4j.friends.find(user.neo4j_uuid).present?
+              rescue StandardError
+                nil
+              end
 
     link_to invite_user_path(user), class: "card-footer-item btn-invite #{'is-active' if invited}" do
       content_tag(:div, nil, class: 'heart') + ' Invite'
     end
-  rescue
+  rescue StandardError
     nil
   end
 

app/models/concerns/user_sync.rb

@@ -9,20 +9,20 @@ module UserSync
   def save_neoj4
     return unless (attributes.keys - ['updated_at']).any?
 
-    params = attributes.slice(*%w[
-      first_name
-      last_name
-      slug
-      website
-      titles
-      subtitles
-      introduction
-    ]).merge({ 'skip_get_website_titles' => true })
+    params = attributes.slice(
+      'first_name',
+      'last_name',
+      'slug',
+      'website',
+      'titles',
+      'subtitles',
+      'introduction'
+    ).merge({ 'skip_load_website_titles' => true })
 
     if neo4j_uuid.present?
       user = UserNeo4j.find(neo4j_uuid)
       user.update(params)
-    elsif
+    else
       user = UserNeo4j.create(params)
 
       # update without callbacks
@@ -33,7 +33,11 @@ def save_neoj4
   def destroy_neoj4
     return unless neo4j_uuid.present?
 
-    UserNeo4j.find(neo4j_uuid).destroy rescue nil
+    begin
+      UserNeo4j.find(neo4j_uuid).destroy
+    rescue StandardError
+      nil
+    end
 
     set({ neo4j_uuid: nil })
   end

app/models/user.rb

@@ -15,14 +15,14 @@ class User
   field :introduction, type: String
   field :neo4j_uuid, type: String
 
-  attr_accessor :skip_get_website_titles
+  attr_accessor :skip_load_website_titles
 
-  slug :first_name, reserve: ['admin', 'root'] + RouteRecognizer.initial_path_segments
+  slug :first_name, reserve: %w[admin root] + RouteRecognizer.initial_path_segments
 
   validates :first_name, presence: true
-  validates :website, uniqueness: true, presence: true, website: true, unless: :skip_get_website_titles
+  validates :website, uniqueness: true, presence: true, website: true, unless: :skip_load_website_titles
 
-  after_save :get_website_titles, unless: :skip_get_website_titles
+  after_save :load_website_titles, unless: :skip_load_website_titles
   after_create :clear_database
 
   def full_name
@@ -42,7 +42,7 @@ def reload_titles!
 
   protected
 
-  def get_website_titles
+  def load_website_titles
     return unless changed_attributes.keys.include?('website')
 
     reload_titles!
@@ -61,15 +61,15 @@ def clear_database
 
   # Used as default user list on start project
   DEFAULT_USERS = [
-    { first_name: 'Vinnie', last_name: 'Lintott', website: 'http://indiatimes.com', titles: [''], skip_get_website_titles: true },
-    { first_name: 'Otha', last_name: 'Kunes', website: 'https://edublogs.org', titles: ['.NET'], skip_get_website_titles: true },
-    { first_name: 'Dayle', last_name: 'Caswill', website: 'http://sohu.com', titles: ['C', 'C++'], skip_get_website_titles: true },
-    { first_name: 'Erastus', last_name: 'Quilligan', website: 'http://skyrock.com', titles: ['Javascript', 'ASP'], skip_get_website_titles: true },
-    { first_name: 'Jamal', last_name: 'Cullington', website: 'https://webmd.com', titles: ['Pascal'], skip_get_website_titles: true },
-    { first_name: 'Joice', last_name: 'Brooke', website: 'http://marketwatch.com', titles: ['Python'], skip_get_website_titles: true },
-    { first_name: 'Gwenni', last_name: 'Dines', website: 'http://typepad.com', titles: ['Go'], skip_get_website_titles: true },
-    { first_name: 'Glyn', last_name: 'Clouter', website: 'https://google.ru', titles: ['PHP', 'Ruby'], skip_get_website_titles: true },
-    { first_name: 'Lucienne', last_name: 'Ready', website: 'http://myspace.com', titles: ['Ruby'], skip_get_website_titles: true },
-    { first_name: 'Katuscha', last_name: 'Tinman', website: 'http://umn.edu', titles: ['Java'], skip_get_website_titles: true },
-  ]
+    { first_name: 'Vinnie', last_name: 'Lintott', website: 'http://indiatimes.com', titles: [''], skip_load_website_titles: true },
+    { first_name: 'Otha', last_name: 'Kunes', website: 'https://edublogs.org', titles: ['.NET'], skip_load_website_titles: true },
+    { first_name: 'Dayle', last_name: 'Caswill', website: 'http://sohu.com', titles: ['C', 'C++'], skip_load_website_titles: true },
+    { first_name: 'Erastus', last_name: 'Quilligan', website: 'http://skyrock.com', titles: %w[Javascript ASP], skip_load_website_titles: true },
+    { first_name: 'Jamal', last_name: 'Cullington', website: 'https://webmd.com', titles: ['Pascal'], skip_load_website_titles: true },
+    { first_name: 'Joice', last_name: 'Brooke', website: 'http://marketwatch.com', titles: ['Python'], skip_load_website_titles: true },
+    { first_name: 'Gwenni', last_name: 'Dines', website: 'http://typepad.com', titles: ['Go'], skip_load_website_titles: true },
+    { first_name: 'Glyn', last_name: 'Clouter', website: 'https://google.ru', titles: %w[PHP Ruby], skip_load_website_titles: true },
+    { first_name: 'Lucienne', last_name: 'Ready', website: 'http://myspace.com', titles: ['Ruby'], skip_load_website_titles: true },
+    { first_name: 'Katuscha', last_name: 'Tinman', website: 'http://umn.edu', titles: ['Java'], skip_load_website_titles: true },
+  ].freeze
 end