Remove "Congratulations!" tweet button on newly-created project.

I’ve removed everything related to the feature based on this commit:
ce08f919f34fd8849834365

Resolves #10857.

CHANGELOG

@@ -15,6 +15,7 @@ v 8.7.0 (unreleased)
   - Implement 'TODOs View' as an option for dashboard preferences !3379 (Elias W.)
   - Gracefully handle notes on deleted commits in merge requests (Stan Hu)
   - Fall back to `In-Reply-To` and `References` headers when sub-addressing is not available (David Padilla)
+  - Remove "Congratulations!" tweet button on newly-created project. (Connor Shea)
 
 v 8.6.3 (unreleased)
   - Destroy related todos when an Issue/MR is deleted. !3376

app/assets/stylesheets/pages/events.scss

@@ -43,10 +43,6 @@
       .md {
         color: #7f8fa4;
         font-size: $gl-font-size;
-
-        iframe.twitter-share-button {
-          vertical-align: bottom;
-        }
       }
 
       pre {

app/controllers/admin/application_settings_controller.rb

@@ -52,7 +52,6 @@ class Admin::ApplicationSettingsController < Admin::ApplicationController
       :require_two_factor_authentication,
       :two_factor_grace_period,
       :gravatar_enabled,
-      :twitter_sharing_enabled,
       :sign_in_text,
       :help_page_text,
       :home_page_url,

app/helpers/application_settings_helper.rb

@@ -3,10 +3,6 @@ module ApplicationSettingsHelper
     current_application_settings.gravatar_enabled?
   end
 
-  def twitter_sharing_enabled?
-    current_application_settings.twitter_sharing_enabled?
-  end
-
   def signup_enabled?
     current_application_settings.signup_enabled?
   end

app/models/application_setting.rb

@@ -12,7 +12,6 @@
 #  updated_at                        :datetime
 #  home_page_url                     :string(255)
 #  default_branch_protection         :integer          default(2)
-#  twitter_sharing_enabled           :boolean          default(TRUE)
 #  restricted_visibility_levels      :text
 #  version_check_enabled             :boolean          default(TRUE)
 #  max_attachment_size               :integer          default(10), not null
@@ -140,7 +139,6 @@ class ApplicationSetting < ActiveRecord::Base
       default_branch_protection: Settings.gitlab['default_branch_protection'],
       signup_enabled: Settings.gitlab['signup_enabled'],
       signin_enabled: Settings.gitlab['signin_enabled'],
-      twitter_sharing_enabled: Settings.gitlab['twitter_sharing_enabled'],
       gravatar_enabled: Settings.gravatar['enabled'],
       sign_in_text: Settings.extra['sign_in_text'],
       restricted_visibility_levels: Settings.gitlab['restricted_visibility_levels'],

app/views/admin/application_settings/_form.html.haml

@@ -76,13 +76,6 @@
           = f.label :gravatar_enabled do
             = f.check_box :gravatar_enabled
             Gravatar enabled
-    .form-group
-      .col-sm-offset-2.col-sm-10
-        .checkbox
-          = f.label :twitter_sharing_enabled do
-            = f.check_box :twitter_sharing_enabled, :'aria-describedby' => 'twitter_help_block'
-            Twitter enabled
-          %span.help-block#twitter_help_block Show users a button to share their newly created public or internal projects on twitter
     .form-group
       = f.label :default_projects_limit, class: 'control-label col-sm-2'
       .col-sm-10

app/views/events/event/_created_project.html.haml

@@ -7,21 +7,3 @@
     = link_to_project event.project
   - else
     = event.project_name
-
-- if !event.project.private? && twitter_sharing_enabled?
-  .event-body{"data-user-is" => event.author_id}
-    .event-note
-      .md
-        %p
-          Congratulations! Why not share your accomplishment with the world?
-
-          %a.twitter-share-button{ |
-            href: "https://twitter.com/share", |
-            "data-url" => event.project.web_url, |
-            "data-text" => "I just #{event.action_name} a new project on GitLab! GitLab is version control on your server.", |
-            "data-size" => "medium", |
-            "data-related" => "gitlab", |
-            "data-hashtags" => "gitlab", |
-            "data-count" => "none"}
-            Tweet
-          %script{src: "//platform.twitter.com/widgets.js"}

config/initializers/1_settings.rb

@@ -174,7 +174,6 @@ end
 Settings.gitlab['time_zone']  ||= nil
 Settings.gitlab['signup_enabled'] ||= true if Settings.gitlab['signup_enabled'].nil?
 Settings.gitlab['signin_enabled'] ||= true if Settings.gitlab['signin_enabled'].nil?
-Settings.gitlab['twitter_sharing_enabled'] ||= true if Settings.gitlab['twitter_sharing_enabled'].nil?
 Settings.gitlab['restricted_visibility_levels'] = Settings.send(:verify_constant_array, Gitlab::VisibilityLevel, Settings.gitlab['restricted_visibility_levels'], [])
 Settings.gitlab['username_changing_enabled'] = true if Settings.gitlab['username_changing_enabled'].nil?
 Settings.gitlab['issue_closing_pattern'] = '((?:[Cc]los(?:e[sd]?|ing)|[Ff]ix(?:e[sd]|ing)?|[Rr]esolv(?:e[sd]?|ing)) +(?:(?:issues? +)?%{issue_ref}(?:(?:, *| +and +)?)|([A-Z][A-Z0-9_]+-\d+))+)' if Settings.gitlab['issue_closing_pattern'].nil?

db/migrate/20160331223143_remove_twitter_sharing_enabled_from_application_settings.rb

+class RemoveTwitterSharingEnabledFromApplicationSettings < ActiveRecord::Migration
+  def change
+    remove_column :application_settings, :twitter_sharing_enabled, :boolean
+  end
+end

doc/api/settings.md

@@ -26,7 +26,6 @@ Example response:
    "default_branch_protection" : 2,
    "restricted_visibility_levels" : [],
    "signin_enabled" : true,
-   "twitter_sharing_enabled" : true,
    "after_sign_out_path" : null,
    "max_attachment_size" : 10,
    "user_oauth_applications" : true,
@@ -57,7 +56,6 @@ PUT /application/settings
 | `sign_in_text`      | string  | no  | Text on login page |
 | `home_page_url`     | string  | no  | Redirect to this URL when not logged in |
 | `default_branch_protection` | integer | no | Determine if developers can push to master. Can take `0` _(not protected, both developers and masters can push new commits, force push or delete the branch)_, `1` _(partially protected, developers can push new commits, but cannot force push or delete the branch, masters can do anything)_ or `2` _(fully protected, developers cannot push new commits, force push or delete the branch, masters can do anything)_ as a parameter. Default is `1`. |
-| `twitter_sharing_enabled` | boolean | no | Allow users to share project creation on Twitter |
 | `restricted_visibility_levels` | array of integers | no | Selected levels cannot be used by non-admin users for projects or snippets. Can take `0` _(Private)_, `1` _(Internal)_ and `2` _(Public)_ as a parameter. Default is null which means there is no restriction. |
 | `max_attachment_size` | integer | no | Limit attachment size in MB |
 | `session_expire_delay` | integer | no | Session duration in minutes. GitLab restart is required to apply changes |
@@ -85,7 +83,6 @@ Example response:
   "updated_at": "2015-06-30T13:22:42.210Z",
   "home_page_url": "",
   "default_branch_protection": 2,
-  "twitter_sharing_enabled": true,
   "restricted_visibility_levels": [],
   "max_attachment_size": 10,
   "session_expire_delay": 10080,

lib/api/entities.rb

@@ -334,7 +334,6 @@ module API
       expose :updated_at
       expose :home_page_url
       expose :default_branch_protection
-      expose :twitter_sharing_enabled
       expose :restricted_visibility_levels
       expose :max_attachment_size
       expose :session_expire_delay

lib/gitlab/current_settings.rb

@@ -21,7 +21,6 @@ module Gitlab
         default_branch_protection: Settings.gitlab['default_branch_protection'],
         signup_enabled: Settings.gitlab['signup_enabled'],
         signin_enabled: Settings.gitlab['signin_enabled'],
-        twitter_sharing_enabled: Settings.gitlab['twitter_sharing_enabled'],
         gravatar_enabled: Settings.gravatar['enabled'],
         sign_in_text: Settings.extra['sign_in_text'],
         restricted_visibility_levels: Settings.gitlab['restricted_visibility_levels'],

spec/models/application_setting_spec.rb

@@ -12,7 +12,6 @@
 #  updated_at                        :datetime
 #  home_page_url                     :string(255)
 #  default_branch_protection         :integer          default(2)
-#  twitter_sharing_enabled           :boolean          default(TRUE)
 #  restricted_visibility_levels      :text
 #  version_check_enabled             :boolean          default(TRUE)
 #  max_attachment_size               :integer          default(10), not null