Add admin dashboard (#8029)

8 files changed, 279 insertions, 8 deletions

diff --git a/app/controllers/admin/dashboard_controller.rb b/app/controllers/admin/dashboard_controller.rb
new file mode 100644
index 000000000..01d4a9847
--- /dev/null
+++ b/app/controllers/admin/dashboard_controller.rb
@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+require 'sidekiq/api'
+
+module Admin
+  class DashboardController < BaseController
+    def index
+      @users_count           = User.count
+      @registrations_week    = Redis.current.get("activity:accounts:local:#{current_week}") || 0
+      @logins_week           = Redis.current.pfcount("activity:logins:#{current_week}")
+      @interactions_week     = Redis.current.get("activity:interactions:#{current_week}") || 0
+      @relay_enabled         = Relay.enabled.exists?
+      @single_user_mode      = Rails.configuration.x.single_user_mode
+      @registrations_enabled = Setting.open_registrations
+      @deletions_enabled     = Setting.open_deletions
+      @invites_enabled       = Setting.min_invite_role == 'user'
+      @search_enabled        = Chewy.enabled?
+      @version               = Mastodon::Version.to_s
+      @database_version      = ActiveRecord::Base.connection.execute('SELECT VERSION()').first['version'].match(/\A(?:PostgreSQL |)([^\s]+).*\z/)[1]
+      @redis_version         = redis_info['redis_version']
+      @reports_count         = Report.unresolved.count
+      @queue_backlog         = Sidekiq::Stats.new.enqueued
+      @recent_users          = User.confirmed.recent.includes(:account).limit(4)
+      @database_size         = ActiveRecord::Base.connection.execute('SELECT pg_database_size(current_database())').first['pg_database_size']
+      @redis_size            = redis_info['used_memory']
+      @ldap_enabled          = ENV['LDAP_ENABLED'] == 'true'
+      @cas_enabled           = ENV['CAS_ENABLED'] == 'true'
+      @saml_enabled          = ENV['SAML_ENABLED'] == 'true'
+      @pam_enabled           = ENV['PAM_ENABLED'] == 'true'
+      @hidden_service        = ENV['ALLOW_ACCESS_TO_HIDDEN_SERVICE'] == 'true'
+    end
+
+    private
+
+    def current_week
+      @current_week ||= Time.now.utc.to_date.cweek
+    end
+
+    def redis_info
+      @redis_info ||= Redis.current.info
+    end
+  end
+end
diff --git a/app/javascript/styles/application.scss b/app/javascript/styles/application.scss
index f207c02a6..7b3b10dfe 100644
--- a/app/javascript/styles/application.scss
+++ b/app/javascript/styles/application.scss
@@ -21,5 +21,6 @@
 @import 'mastodon/about';
 @import 'mastodon/tables';
 @import 'mastodon/admin';
+@import 'mastodon/dashboard';
 @import 'mastodon/rtl';
 @import 'mastodon/accessibility';
diff --git a/app/javascript/styles/mastodon/dashboard.scss b/app/javascript/styles/mastodon/dashboard.scss
new file mode 100644
index 000000000..949ca733f
--- /dev/null
+++ b/app/javascript/styles/mastodon/dashboard.scss
@@ -0,0 +1,69 @@
+.dashboard__counters {
+  display: flex;
+  flex-wrap: wrap;
+  margin: 0 -5px;
+  margin-bottom: 20px;
+
+  & > div {
+    box-sizing: border-box;
+    flex: 0 0 33.333%;
+    padding: 0 5px;
+    margin-bottom: 10px;
+
+    & > div,
+    & > a {
+      padding: 20px;
+      background: lighten($ui-base-color, 4%);
+      border-radius: 4px;
+    }
+
+    & > a {
+      text-decoration: none;
+      color: inherit;
+      display: block;
+
+      &:hover,
+      &:focus,
+      &:active {
+        background: lighten($ui-base-color, 8%);
+      }
+    }
+  }
+
+  &__num {
+    text-align: center;
+    font-weight: 500;
+    font-size: 24px;
+    color: $primary-text-color;
+    font-family: 'mastodon-font-display', sans-serif;
+    margin-bottom: 20px;
+  }
+
+  &__label {
+    font-size: 14px;
+    color: $darker-text-color;
+    text-align: center;
+    font-weight: 500;
+  }
+}
+
+.dashboard__widgets {
+  display: flex;
+  flex-wrap: wrap;
+  margin: 0 -5px;
+
+  & > div {
+    flex: 0 0 33.333%;
+    margin-bottom: 20px;
+
+    & > div {
+      padding: 0 5px;
+    }
+  }
+
+  a:not(.name-tag) {
+    color: $ui-secondary-color;
+    font-weight: 500;
+    text-decoration: none;
+  }
+}
diff --git a/app/lib/potential_friendship_tracker.rb b/app/lib/potential_friendship_tracker.rb
index 017a9748d..dfca54f7b 100644
--- a/app/lib/potential_friendship_tracker.rb
+++ b/app/lib/potential_friendship_tracker.rb
@@ -20,6 +20,8 @@ class PotentialFriendshipTracker
       redis.zincrby(key, weight, target_account_id)
       redis.zremrangebyrank(key, 0, -MAX_ITEMS)
       redis.expire(key, EXPIRE_AFTER)
+
+      ActivityTracker.increment('activity:interactions')
     end
 
     def remove(account_id, target_account_id)
diff --git a/app/views/admin/dashboard/index.html.haml b/app/views/admin/dashboard/index.html.haml
new file mode 100644
index 000000000..50004de33
--- /dev/null
+++ b/app/views/admin/dashboard/index.html.haml
@@ -0,0 +1,140 @@
+- content_for :page_title do
+  = t('admin.dashboard.title')
+
+.dashboard__counters
+  %div
+    = link_to admin_accounts_url(local: 1, recent: 1) do
+      .dashboard__counters__num= number_with_delimiter @users_count
+      .dashboard__counters__label= t 'admin.dashboard.total_users'
+  %div
+    %div
+      .dashboard__counters__num= number_with_delimiter @registrations_week
+      .dashboard__counters__label= t 'admin.dashboard.week_users_new'
+  %div
+    %div
+      .dashboard__counters__num= number_with_delimiter @logins_week
+      .dashboard__counters__label= t 'admin.dashboard.week_users_active'
+  %div
+    %div
+      .dashboard__counters__num= number_with_delimiter @interactions_week
+      .dashboard__counters__label= t 'admin.dashboard.week_interactions'
+  %div
+    = link_to admin_reports_url do
+      .dashboard__counters__num= number_with_delimiter @reports_count
+      .dashboard__counters__label= t 'admin.dashboard.open_reports'
+  %div
+    = link_to sidekiq_url do
+      .dashboard__counters__num= number_with_delimiter @queue_backlog
+      .dashboard__counters__label= t 'admin.dashboard.backlog'
+
+.dashboard__widgets
+  .dashboard__widgets__users
+    %div
+      %h4= t 'admin.dashboard.recent_users'
+      %ul
+        - @recent_users.each do |user|
+          %li= admin_account_link_to(user.account)
+
+  .dashboard__widgets__features
+    %div
+      %h4= t 'admin.dashboard.features'
+      %ul
+        %li
+          = link_to t('admin.dashboard.feature_registrations'), edit_admin_settings_path
+          - if @registrations_enabled
+            %span.pull-right.positive-hint= fa_icon 'check fw'
+          - else
+            %span.pull-right.negative-hint= fa_icon 'times fw'
+        %li
+          = link_to t('admin.dashboard.feature_invites'), edit_admin_settings_path
+          - if @invites_enabled
+            %span.pull-right.positive-hint= fa_icon 'check fw'
+          - else
+            %span.pull-right.negative-hint= fa_icon 'times fw'
+        %li
+          = link_to t('admin.dashboard.feature_deletions'), edit_admin_settings_path
+          - if @deletions_enabled
+            %span.pull-right.positive-hint= fa_icon 'check fw'
+          - else
+            %span.pull-right.negative-hint= fa_icon 'times fw'
+        %li
+          = link_to t('admin.dashboard.feature_relay'), admin_relays_path
+          - if @relay_enabled
+            %span.pull-right.positive-hint= fa_icon 'check fw'
+          - else
+            %span.pull-right.negative-hint= fa_icon 'times fw'
+
+  .dashboard__widgets__versions
+    %div
+      %h4= t 'admin.dashboard.software'
+      %ul
+        %li
+          Mastodon
+          %span.pull-right= @version
+        %li
+          Ruby
+          %span.pull-right= "#{RUBY_VERSION}p#{RUBY_PATCHLEVEL}"
+        %li
+          PostgreSQL
+          %span.pull-right= @database_version
+        %li
+          Redis
+          %span.pull-right= @redis_version
+
+  .dashboard__widgets__space
+    %div
+      %h4= t 'admin.dashboard.space'
+      %ul
+        %li
+          PostgreSQL
+          %span.pull-right= number_to_human_size @database_size
+        %li
+          Redis
+          %span.pull-right= number_to_human_size @redis_size
+
+  .dashboard__widgets__config
+    %div
+      %h4= t 'admin.dashboard.config'
+      %ul
+        %li
+          = t('admin.dashboard.search')
+          - if @search_enabled
+            %span.pull-right.positive-hint= fa_icon 'check fw'
+          - else
+            %span.pull-right.negative-hint= fa_icon 'times fw'
+        %li
+          = t('admin.dashboard.single_user_mode')
+          - if @single_user_mode
+            %span.pull-right.positive-hint= fa_icon 'check fw'
+          - else
+            %span.pull-right.negative-hint= fa_icon 'times fw'
+        %li
+          LDAP
+          - if @ldap_enabled
+            %span.pull-right.positive-hint= fa_icon 'check fw'
+          - else
+            %span.pull-right.negative-hint= fa_icon 'times fw'
+        %li
+          CAS
+          - if @cas_enabled
+            %span.pull-right.positive-hint= fa_icon 'check fw'
+          - else
+            %span.pull-right.negative-hint= fa_icon 'times fw'
+        %li
+          SAML
+          - if @saml_enabled
+            %span.pull-right.positive-hint= fa_icon 'check fw'
+          - else
+            %span.pull-right.negative-hint= fa_icon 'times fw'
+        %li
+          PAM
+          - if @pam_enabled
+            %span.pull-right.positive-hint= fa_icon 'check fw'
+          - else
+            %span.pull-right.negative-hint= fa_icon 'times fw'
+        %li
+          = t 'admin.dashboard.hidden_service'
+          - if @hidden_service
+            %span.pull-right.positive-hint= fa_icon 'check fw'
+          - else
+            %span.pull-right.negative-hint= fa_icon 'times fw'
diff --git a/config/locales/en.yml b/config/locales/en.yml
index ec08f0d78..e0a2c9f82 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -206,6 +206,26 @@ en:
       update_failed_msg: Could not update that emoji
       updated_msg: Emoji successfully updated!
       upload: Upload
+    dashboard:
+      backlog: backlogged jobs
+      config: Configuration
+      feature_deletions: Account deletions
+      feature_invites: Invite links
+      feature_registrations: Registrations
+      feature_relay: Federation relay
+      features: Features
+      hidden_service: Federation with hidden services
+      open_reports: open reports
+      recent_users: Recent users
+      search: Full-text search
+      single_user_mode: Single user mode
+      software: Software
+      space: Space usage
+      title: Dashboard
+      total_users: users in total
+      week_interactions: interactions this week
+      week_users_active: active this week
+      week_users_new: users this week
     domain_blocks:
       add_new: Add new
       created_msg: Domain block is now being processed
diff --git a/config/navigation.rb b/config/navigation.rb
index a13ad6f43..99d227f11 100644
--- a/config/navigation.rb
+++ b/config/navigation.rb
@@ -33,7 +33,8 @@ SimpleNavigation::Configuration.run do |navigation|
       admin.item :email_domain_blocks, safe_join([fa_icon('envelope fw'), t('admin.email_domain_blocks.title')]), admin_email_domain_blocks_url, highlights_on: %r{/admin/email_domain_blocks}, if: -> { current_user.admin? }
     end
 
-    primary.item :admin, safe_join([fa_icon('cogs fw'), t('admin.title')]), proc { current_user.admin? ? edit_admin_settings_url : admin_custom_emojis_url }, if: proc { current_user.staff? } do |admin|
+    primary.item :admin, safe_join([fa_icon('cogs fw'), t('admin.title')]), admin_dashboard_url, if: proc { current_user.staff? } do |admin|
+      admin.item :dashboard, safe_join([fa_icon('tachometer fw'), t('admin.dashboard.title')]), admin_dashboard_url
       admin.item :settings, safe_join([fa_icon('cogs fw'), t('admin.settings.title')]), edit_admin_settings_url, if: -> { current_user.admin? }
       admin.item :custom_emojis, safe_join([fa_icon('smile-o fw'), t('admin.custom_emojis.title')]), admin_custom_emojis_url, highlights_on: %r{/admin/custom_emojis}
       admin.item :relays, safe_join([fa_icon('exchange fw'), t('admin.relays.title')]), admin_relays_url, if: -> { current_user.admin? }, highlights_on: %r{/admin/relays}
diff --git a/config/routes.rb b/config/routes.rb
index 3d0da1a85..1c97f5a82 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -124,6 +124,8 @@ Rails.application.routes.draw do
   resource :share, only: [:show, :create]
 
   namespace :admin do
+    get '/dashboard', to: 'dashboard#index'
+
     resources :subscriptions, only: [:index]
     resources :domain_blocks, only: [:index, :new, :create, :show, :destroy]
     resources :email_domain_blocks, only: [:index, :new, :create, :destroy]
@@ -196,13 +198,7 @@ Rails.application.routes.draw do
     resources :account_moderation_notes, only: [:create, :destroy]
   end
 
-  authenticate :user, lambda { |u| u.admin? } do
-    get '/admin', to: redirect('/admin/settings/edit', status: 302)
-  end
-
-  authenticate :user, lambda { |u| u.moderator? } do
-    get '/admin', to: redirect('/admin/reports', status: 302)
-  end
+  get '/admin', to: redirect('/admin/dashboard', status: 302)
 
   namespace :api do
     # PubSubHubbub outgoing subscriptions