| 1 | # frozen_string_literal: true |
| 2 | |
| 3 | module Admin |
| 4 | # Search / filter / paginate users for the admin users index. Encapsulates the |
| 5 | # query so the controller is a one-liner and the behaviour is unit-testable |
| 6 | # without HTTP. Instantiate with the request params. |
| 7 | class UserSearch |
| 8 | PER_PAGE = 30 |
| 9 | |
| 10 | attr_reader :query, :filter, :page |
| 11 | |
| 12 | def initialize(params) |
| 13 | @query = params[:q].to_s.strip |
| 14 | @filter = params[:filter].presence |
| 15 | @page = [ params[:page].to_i, 1 ].max |
| 16 | end |
| 17 | |
| 18 | def records |
| 19 | @records ||= scope.includes(:subscription) |
| 20 | .order(created_at: :desc) |
| 21 | .limit(PER_PAGE) |
| 22 | .offset((page - 1) * PER_PAGE) |
| 23 | .to_a |
| 24 | end |
| 25 | |
| 26 | def total = @total ||= scope.count |
| 27 | def has_next? = page * PER_PAGE < total |
| 28 | def per_page = PER_PAGE |
| 29 | def admins_only? = filter == "admins" |
| 30 | |
| 31 | private |
| 32 | |
| 33 | def scope |
| 34 | s = User.all |
| 35 | s = s.admins if admins_only? |
| 36 | if query.present? |
| 37 | like = "%#{User.sanitize_sql_like(query)}%" |
| 38 | s = s.where("username ILIKE :q OR email ILIKE :q OR display_name ILIKE :q", q: like) |
| 39 | end |
| 40 | s |
| 41 | end |
| 42 | end |
| 43 | end |