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18d032ad91
* Ordering by username results in a very expensive query for very little upside UX wise.
71 lines
2.3 KiB
Ruby
71 lines
2.3 KiB
Ruby
class DirectoryItemsController < ApplicationController
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PAGE_SIZE = 50
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def index
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raise Discourse::InvalidAccess.new(:enable_user_directory) unless SiteSetting.enable_user_directory?
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period = params.require(:period)
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period_type = DirectoryItem.period_types[period.to_sym]
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raise Discourse::InvalidAccess.new(:period_type) unless period_type
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result = DirectoryItem.where(period_type: period_type).includes(:user)
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order = params[:order] || DirectoryItem.headings.first
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if DirectoryItem.headings.include?(order.to_sym)
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dir = params[:asc] ? 'ASC' : 'DESC'
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result = result.order("directory_items.#{order} #{dir}")
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end
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if period_type == DirectoryItem.period_types[:all]
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result = result.includes(:user_stat)
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end
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page = params[:page].to_i
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user_ids = nil
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if params[:name].present?
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user_ids = UserSearch.new(params[:name]).search.pluck(:id)
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if user_ids.present?
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# Add the current user if we have at least one other match
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if current_user && result.dup.where(user_id: user_ids).count > 0
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user_ids << current_user.id
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end
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result = result.where(user_id: user_ids)
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else
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result = result.where('false')
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end
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end
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if params[:username]
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user_id = User.where(username_lower: params[:username].to_s.downcase).pluck(:id).first
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if user_id
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result = result.where(user_id: user_id)
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else
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result = result.where('false')
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end
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end
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result_count = result.count
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result = result.limit(PAGE_SIZE).offset(PAGE_SIZE * page).to_a
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more_params = params.slice(:period, :order, :asc)
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more_params[:page] = page + 1
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# Put yourself at the top of the first page
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if result.present? && current_user.present? && page == 0
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position = result.index {|r| r.user_id == current_user.id }
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# Don't show the record unless you're not in the top positions already
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if (position || 10) >= 10
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your_item = DirectoryItem.where(period_type: period_type, user_id: current_user.id).first
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result.insert(0, your_item) if your_item
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end
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end
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render_json_dump(directory_items: serialize_data(result, DirectoryItemSerializer),
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total_rows_directory_items: result_count,
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load_more_directory_items: directory_items_path(more_params))
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end
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end
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