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72 lines
2.1 KiB
72 lines
2.1 KiB
# Class that allows "Grantable" searches.
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# Note a Grantable is not an actual ActiveRecord model but an aggregation of User and Group.
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# Since ActiveRecord doesn't support polymorphic queries or has_many associations
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# with table per class inheritance, we do it manually here
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class Carto::GrantableQueryBuilder
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def initialize(organization)
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@filter = nil
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@organization = organization
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end
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def with_filter(filter)
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return self unless filter
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clean_filter = filter.gsub('%', '\\%').gsub('_', '\\_')
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@filter = "%#{clean_filter}%"
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self
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end
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def run(page = 1, per_page = 200, order = 'name')
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query = ActiveRecord::Base.send(:sanitize_sql_array, paged_query_array(page, per_page, order))
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ActiveRecord::Base.connection.execute(query).map { |r| Carto::Grantable.new(r) }
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end
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def count
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query = ActiveRecord::Base.send(:sanitize_sql_array, count_query_array)
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ActiveRecord::Base.connection.execute(query).first['count'].to_i
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end
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private
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def compose_query
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query = <<-SQL
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select * from
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(select id, display_name as name, 'group' as type, '' as avatar_url,
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created_at, updated_at,
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organization_id
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from groups
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union
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select id, username as name, 'user' as type, avatar_url,
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created_at, updated_at,
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organization_id
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from users) grantables
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where grantables.organization_id = ?
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SQL
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@filter.nil? ? query : "#{query} and name ilike ?"
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end
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def paged_query_array(page, per_page, order)
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offset = (page - 1) * per_page
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query = "#{compose_query} order by #{safe_order(order)} limit ? offset ?"
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if @filter.nil?
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[query, @organization.id, per_page, offset]
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else
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[query, @organization.id, @filter, per_page, offset]
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end
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end
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def count_query_array
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query = "select count(1) from (#{compose_query}) c"
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if @filter.nil?
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[query, @organization.id]
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else
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[query, @organization.id, @filter]
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end
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end
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def safe_order(order)
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order && %w{ id name type avatar_url created_at updated_at organization_id }.include?(order.to_s) ? order.to_s : 'name'
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end
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end
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