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# Search for milestones
#
# params - Hash
# project_ids: Array of project ids or single project id.
# group_ids: Array of group ids or single group id.
# order - Orders by field default due date asc.
# title - filter by title.
# state - filters by state.
class MilestonesFinder
attr_reader :params, :project_ids, :group_ids
def initialize(params = {})
@project_ids = Array(params[:project_ids])
@group_ids = Array(params[:group_ids])
@params = params
end
def execute
return Milestone.none if project_ids.empty? && group_ids.empty?
items = Milestone.all
items = by_groups_and_projects(items)
items = by_title(items)
items = by_state(items)
order(items)
end
private
def by_groups_and_projects(items)
items.for_projects_and_groups(project_ids, group_ids)
end
def by_title(items)
if params[:title]
items.where(title: params[:title])
else
items
end
end
def by_state(items)
Milestone.filter_by_state(items, params[:state])
end
def order(items)
order_statement = Gitlab::Database.nulls_last_order('due_date', 'ASC')
items.reorder(order_statement).order('title ASC')
end
end