112 lines
3.6 KiB
Ruby
112 lines
3.6 KiB
Ruby
# frozen_string_literal: true
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class MembersFinder
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# Params can be any of the following:
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# sort: string
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# search: string
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attr_reader :params
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def initialize(project, current_user, params: {})
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@project = project
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@group = project.group
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@current_user = current_user
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@params = params
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end
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def execute(include_relations: [:inherited, :direct])
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members = find_members(include_relations)
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filter_members(members)
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end
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def can?(*args)
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Ability.allowed?(*args)
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end
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private
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attr_reader :project, :current_user, :group
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def find_members(include_relations)
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project_members = project.project_members
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project_members = project_members.non_invite unless can?(current_user, :admin_project, project)
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return project_members if include_relations == [:direct]
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union_members = group_union_members(include_relations)
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union_members << project_members if include_relations.include?(:direct)
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return project_members unless union_members.any?
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distinct_union_of_members(union_members)
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end
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def filter_members(members)
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members = members.search(params[:search]) if params[:search].present?
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members = members.sort_by_attribute(params[:sort]) if params[:sort].present?
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members
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end
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def group_union_members(include_relations)
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[].tap do |members|
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members << direct_group_members(include_relations.include?(:descendants)) if group
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members << project_invited_groups_members if include_relations.include?(:invited_groups_members)
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end
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end
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def direct_group_members(include_descendants)
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requested_relations = [:inherited, :direct]
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requested_relations << :descendants if include_descendants
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GroupMembersFinder.new(group).execute(include_relations: requested_relations).non_invite # rubocop: disable CodeReuse/Finder
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end
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def project_invited_groups_members
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invited_groups_ids_including_ancestors = Gitlab::ObjectHierarchy
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.new(project.invited_groups)
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.base_and_ancestors
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.public_or_visible_to_user(current_user)
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.select(:id)
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GroupMember.with_source_id(invited_groups_ids_including_ancestors)
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end
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def distinct_union_of_members(union_members)
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union = Gitlab::SQL::Union.new(union_members, remove_duplicates: false) # rubocop: disable Gitlab/Union
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sql = distinct_on(union)
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Member.includes(:user).from([Arel.sql("(#{sql}) AS #{Member.table_name}")]) # rubocop: disable CodeReuse/ActiveRecord
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end
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def distinct_on(union)
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# We're interested in a list of members without duplicates by user_id.
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# We prefer project members over group members, project members should go first.
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<<~SQL
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SELECT DISTINCT ON (user_id, invite_email) #{member_columns}
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FROM (#{union.to_sql}) AS #{member_union_table}
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LEFT JOIN users on users.id = member_union.user_id
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LEFT JOIN project_authorizations on project_authorizations.user_id = users.id
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AND
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project_authorizations.project_id = #{project.id}
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ORDER BY user_id,
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invite_email,
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CASE
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WHEN type = 'ProjectMember' THEN 1
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WHEN type = 'GroupMember' THEN 2
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ELSE 3
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END
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SQL
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end
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def member_union_table
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'member_union'
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end
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def member_columns
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Member.column_names.map do |column_name|
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# fallback to members.access_level when project_authorizations.access_level is missing
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next "COALESCE(#{ProjectAuthorization.table_name}.access_level, #{member_union_table}.access_level) access_level" if column_name == 'access_level'
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"#{member_union_table}.#{column_name}"
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end.join(',')
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end
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end
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