debian-mirror-gitlab/lib/gitlab/background_migration/remove_restricted_todos.rb
2018-11-18 11:00:15 +05:30

105 lines
3.2 KiB
Ruby

# frozen_string_literal: true
# rubocop:disable Style/Documentation
module Gitlab
module BackgroundMigration
class RemoveRestrictedTodos
PRIVATE_FEATURE = 10
PRIVATE_PROJECT = 0
class Project < ActiveRecord::Base
self.table_name = 'projects'
end
class ProjectAuthorization < ActiveRecord::Base
self.table_name = 'project_authorizations'
end
class ProjectFeature < ActiveRecord::Base
self.table_name = 'project_features'
end
class Todo < ActiveRecord::Base
include EachBatch
self.table_name = 'todos'
end
class Issue < ActiveRecord::Base
include EachBatch
self.table_name = 'issues'
end
def perform(start_id, stop_id)
projects = Project.where('EXISTS (SELECT 1 FROM todos WHERE todos.project_id = projects.id)')
.where(id: start_id..stop_id)
projects.each do |project|
remove_confidential_issue_todos(project.id)
if project.visibility_level == PRIVATE_PROJECT
remove_non_members_todos(project.id)
else
remove_restricted_features_todos(project.id)
end
end
end
private
def remove_non_members_todos(project_id)
Todo.where(project_id: project_id)
.where('user_id NOT IN (?)', authorized_users(project_id))
.each_batch(of: 5000) do |batch|
batch.delete_all
end
end
def remove_confidential_issue_todos(project_id)
# min access level to access a confidential issue is reporter
min_reporters = authorized_users(project_id)
.select(:user_id)
.where('access_level >= ?', 20)
confidential_issues = Issue.select(:id, :author_id).where(confidential: true, project_id: project_id)
confidential_issues.each_batch(of: 100) do |batch|
batch.each do |issue|
assigned_users = IssueAssignee.select(:user_id).where(issue_id: issue.id)
todos = Todo.where(target_type: 'Issue', target_id: issue.id)
.where('user_id NOT IN (?)', min_reporters)
.where('user_id NOT IN (?)', assigned_users)
todos = todos.where('user_id != ?', issue.author_id) if issue.author_id
todos.delete_all
end
end
end
def remove_restricted_features_todos(project_id)
ProjectFeature.where(project_id: project_id).each do |project_features|
target_types = []
target_types << 'Issue' if private?(project_features.issues_access_level)
target_types << 'MergeRequest' if private?(project_features.merge_requests_access_level)
target_types << 'Commit' if private?(project_features.repository_access_level)
next if target_types.empty?
Todo.where(project_id: project_id)
.where('user_id NOT IN (?)', authorized_users(project_id))
.where(target_type: target_types)
.delete_all
end
end
def private?(feature_level)
feature_level == PRIVATE_FEATURE
end
def authorized_users(project_id)
ProjectAuthorization.select(:user_id).where(project_id: project_id)
end
end
end
end