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# frozen_string_literal: true
module Mutations
module MergeRequests
class SetReviewers < Base
graphql_name 'MergeRequestSetReviewers'
argument :reviewer_usernames,
[GraphQL::Types::String],
required: true,
description: 'Usernames of reviewers to assign. Replaces existing reviewers by default.'
argument :operation_mode,
Types::MutationOperationModeEnum,
required: false,
default_value: Types::MutationOperationModeEnum.default_mode,
description: 'Operation to perform. Defaults to REPLACE.'
def resolve(project_path:, iid:, reviewer_usernames:, operation_mode:)
resource = authorized_find!(project_path: project_path, iid: iid)
::MergeRequests::UpdateReviewersService.new(
project: resource.project,
current_user: current_user,
params: { reviewer_ids: reviewer_ids(resource, reviewer_usernames, operation_mode) }
).execute(resource)
{
resource.class.name.underscore.to_sym => resource,
errors: errors_on_object(resource)
}
end
private
def reviewer_ids(resource, usernames, mode)
new_reviewers = UsersFinder.new(current_user, username: usernames).execute.to_a
new_reviewer_ids = user_ids(new_reviewers)
case mode
when 'REPLACE' then new_reviewer_ids
when 'APPEND' then user_ids(resource.reviewers) | new_reviewer_ids
when 'REMOVE' then user_ids(resource.reviewers) - new_reviewer_ids
end
end
def user_ids(users)
users.map(&:id)
end
end
end
end
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