Add project view JSON endpoints [SCI-2728]

.rubocop.yml

@@ -3,7 +3,7 @@ AllCops:
     - "vendor/**/*"
     - "db/schema.rb"
   UseCache: false
-  TargetRubyVersion: 2.2
+  TargetRubyVersion: 2.4
 
 ##################### Style ####################################
 

app/controllers/my_modules_controller.rb

@@ -382,7 +382,7 @@ class MyModulesController < ApplicationController
                                              current_user,
                                              @my_module)
     @assigned_rows = records.assigned_rows
-    @repository_row_count = records.repository_rows.count
+    @repository_row_count = records.repository_rows.length
     @columns_mappings = records.mappings
     @repository_rows = records.repository_rows.page(page).per(per_page)
     render 'repository_rows/index.json'

app/controllers/projects_controller.rb

@@ -9,7 +9,7 @@ class ProjectsController < ApplicationController
                                      notifications reports
                                      samples experiment_archive
                                      delete_samples samples_index)
-  before_action :load_projects_tree, only: %i(index show samples archive
+  before_action :load_projects_tree, only: %i(show samples archive
                                               experiment_archive)
   before_action :load_archive_vars, only: :archive
   before_action :check_view_permissions, only: %i(show reports notifications
@@ -25,14 +25,32 @@ class ProjectsController < ApplicationController
   DELETE_SAMPLES = 'Delete'.freeze
 
   def index
-    if params[:team]
-      current_team_switch(Team.find_by_id(params[:team]))
+    respond_to do |format|
+      format.json do
+        @current_team = current_team if current_team
+        @current_team ||= current_user.teams.first
+        @projects = ProjectsOverviewService.new(@current_team, current_user)
+                                           .project_cards(params)
       end
-
+      format.html do
+        current_team_switch(Team.find_by_id(params[:team])) if params[:team]
         @teams = current_user.teams
-
         # New project for create new project modal
         @project = Project.new
+        load_projects_tree
+      end
+    end
+  end
+
+  def index_dt
+    respond_to do |format|
+      format.json do
+        @current_team = current_team if current_team
+        @current_team ||= current_user.teams.first
+        @projects = ProjectsOverviewService.new(@current_team, current_user)
+                                           .projects_datatable(params)
+      end
+    end
   end
 
   def archive

app/controllers/repository_rows_controller.rb

@@ -23,7 +23,7 @@ class RepositoryRowsController < ApplicationController
                                              params,
                                              current_user)
     @assigned_rows = records.assigned_rows
-    @repository_row_count = records.repository_rows.count
+    @repository_row_count = records.repository_rows.length
     @columns_mappings = records.mappings
     @repository_rows = records.repository_rows.page(page).per(per_page)
   end

app/models/my_module.rb

@@ -66,6 +66,13 @@ class MyModule < ApplicationRecord
   has_many :protocols, inverse_of: :my_module, dependent: :destroy
 
   scope :is_archived, ->(is_archived) { where('archived = ?', is_archived) }
+  scope :active, -> { where(archived: false) }
+  scope :overdue, -> { where('my_modules.due_date < ?', Time.current.utc) }
+  scope :one_day_prior, (lambda do
+    where('my_modules.due_date > ? AND my_modules.due_date < ?',
+          Time.current.utc,
+          Time.current.utc + 1.day)
+  end)
 
   # A module takes this much space in canvas (x, y) in database
   WIDTH = 30

app/models/project.rb

@@ -150,11 +150,7 @@ class Project < ApplicationRecord
   end
 
   def user_role(user)
-    unless self.users.include? user
-      return nil
-    end
-
-    return (self.user_projects.select { |up| up.user == user }).first.role
+    user_projects.find_by_user_id(user)&.role
   end
 
   def sorted_active_experiments(sort_by = :new)

app/services/projects_overview_service.rb

@@ -0,0 +1,134 @@
+# frozen_string_literal: true
+
+class ProjectsOverviewService
+  def initialize(team, user)
+    @team = team
+    @user = user
+  end
+
+  def project_cards(params)
+    records = fetch_records
+    records = records.where(archived: true) if params[:archived] == 'true'
+    records = records.where(archived: false) if params[:archived] == 'false'
+    return records unless params[:sort]
+    case params[:sort]
+    when 'new'
+      records.order(created_at: :desc)
+    when 'old'
+      records.order(:created_at)
+    when 'atoz'
+      records.order(:name)
+    when 'ztoa'
+      records.order(name: :desc)
+    else
+      records
+    end
+  end
+
+  def projects_datatable(params)
+    per_page = params[:length] == '-1' ? 10 : params[:length].to_i
+    page = params[:start] ? (params[:start].to_i / per_page) + 1 : 1
+    records = fetch_dt_records
+    records = records.where(archived: true) if params[:archived] == 'true'
+    records = records.where(archived: false) if params[:archived] == 'false'
+    search_value = params.dig(:search, :value)
+    records = search(records, search_value) if search_value.present?
+    sort(records, params).page(page).per(per_page)
+  end
+
+  private
+
+  def fetch_records
+    due_modules =
+      MyModule.active
+              .overdue
+              .or(MyModule.one_day_prior)
+              .distinct
+              .joins(experiment: :project)
+              .joins('LEFT OUTER JOIN user_projects ON '\
+                'user_projects.project_id = projects.id')
+              .left_outer_joins(:user_my_modules)
+              .where('user_my_modules.user_id = :user_id '\
+                'OR (user_projects.role = 0 '\
+                'AND user_projects.user_id = :user_id)', user_id: @user.id)
+              .select('my_modules.id', 'my_modules.experiment_id')
+    projects = @team.projects.joins(
+      'LEFT OUTER JOIN experiments ON experiments.project_id = projects.id '\
+      'AND experiments.archived = false'
+    ).joins(
+      "LEFT OUTER JOIN (#{due_modules.to_sql}) due_modules "\
+      "ON due_modules.experiment_id = experiments.id"
+    ).left_outer_joins(:user_projects, :project_comments)
+
+    # Only admins see all projects of the team
+    unless @user.is_admin_of_team?(@team)
+      projects = projects.where(
+        'visibility = 1 OR user_projects.user_id = :user_id', user_id: @user.id
+      )
+    end
+    projects = projects
+               .select('projects.*')
+               .select('COUNT(DISTINCT user_projects.id) AS user_count')
+               .select('COUNT(DISTINCT comments.id) AS comment_count')
+               .select('COUNT(DISTINCT due_modules.id) AS notification_count')
+               .group('projects.id')
+               .limit(1_000_000)
+    Project.from(projects, 'projects')
+  end
+
+  def fetch_dt_records
+    projects = @team.projects.joins(
+      'LEFT OUTER JOIN user_projects ON user_projects.project_id = projects.id'
+    ).joins(
+      'LEFT OUTER JOIN experiments ON experiments.project_id = projects.id'\
+      ' AND experiments.archived = projects.archived'
+    ).joins(
+      'LEFT OUTER JOIN my_modules ON my_modules.experiment_id = experiments.id'\
+      ' AND my_modules.archived = projects.archived'
+    )
+
+    # Only admins see all projects of the team
+    unless @user.is_admin_of_team?(@team)
+      projects = projects.where(
+        'visibility = 1 OR user_projects.user_id = :user_id', user_id: @user.id
+      )
+    end
+    projects = projects
+               .select('projects.*')
+               .select('COUNT(DISTINCT user_projects.id) AS user_count')
+               .select('COUNT(DISTINCT experiments.id) AS experiment_count')
+               .select('COUNT(DISTINCT my_modules.id) AS task_count')
+               .group('projects.id')
+    Project.from(projects, 'projects')
+  end
+
+  def search(records, value)
+    records.where_attributes_like('projects.name', value)
+  end
+
+  def sortable_columns
+    {
+      '1' => 'projects.archived',
+      '2' => 'projects.name',
+      '3' => 'projects.created_at',
+      '4' => 'projects.visibility',
+      '5' => 'projects.user_count',
+      '6' => 'projects.experiment_count',
+      '7' => 'projects.task_count'
+    }
+  end
+
+  def sort(records, params)
+    order = params[:order]&.values&.first
+    if order
+      dir = order[:dir] == 'DESC' ? 'DESC' : 'ASC'
+      column_index = order[:column]
+    else
+      dir = 'ASC'
+      column_index = '1'
+    end
+    sort_column = sortable_columns[column_index]
+    sort_column ||= sortable_columns['1']
+    records.order("#{sort_column} #{dir}")
+  end
+end

app/views/projects/index.json.jbuilder

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+json.data do
+  json.array! @projects do |project|
+    json.set! 'id', project.id
+    json.set! 'archived', project.archived
+    json.set! 'name', project.name
+    json.set! 'created_at', I18n.l(project.created_at, format: :full)
+    json.set! 'visibility', if project.visibility == 'hidden'
+                              '<i class="fas fa-eye-slash"></i>' +
+                              I18n.t('projects.index.hidden')
+                            else
+                              '<i class="fas fa-eye"></i>' +
+                              I18n.t('projects.index.visible')
+                            end
+    json.set! 'user_count', project.user_count
+    json.set! 'notification_count', project.notification_count
+    json.set! 'comment_count', project.comment_count
+  end
+end

app/views/projects/index_dt.json.jbuilder

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+json.recordsTotal @projects.total_count
+json.recordsFiltered @projects.length
+json.data do
+  json.array! @projects do |project|
+    json.set! 'DT_RowId', project.id
+    json.set! '1', if project.archived
+                     '<i class="fas fa-archive"></i>' +
+                     I18n.t('projects.index.archived')
+                   else
+                     '<i class="fas fa-arrow-alt-circle-right"></i>' +
+                     I18n.t('projects.index.active')
+                   end
+    json.set! '2', project.name
+    json.set! '3', I18n.l(project.created_at, format: :full)
+    json.set! '4', if project.visibility == 'hidden'
+                     '<i class="fas fa-eye-slash"></i>' +
+                     I18n.t('projects.index.hidden')
+                   else
+                     '<i class="fas fa-eye"></i>' +
+                     I18n.t('projects.index.visible')
+                   end
+    json.set! '5', project.user_count
+    json.set! '6', project.experiment_count
+    json.set! '7', project.task_count
+  end
+end

config/locales/en.yml

@@ -211,6 +211,10 @@ en:
     index:
       head_title: "Home"
       archive: "Archive"
+      archived: "Archived"
+      active: "Active"
+      hidden: "Project members only"
+      visible: "All team members"
       no_projects:
         text: "You don't have any active projects."
         title: "Please create your Project"

config/routes.rb

@@ -188,6 +188,7 @@ Rails.application.routes.draw do
     end
 
     get 'projects/archive', to: 'projects#archive', as: 'projects_archive'
+    get 'projects/index_dt', to: 'projects#index_dt', as: 'projects_index_dt'
 
     resources :reports, only: :index
     get 'reports/datatable', to: 'reports#datatable'