cartodb/app/models/table/relator.rb

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2020-06-15 10:58:47 +08:00
require_relative '../visualization/collection'
require_relative '../visualization/member'
module CartoDB
class TableRelator
INTERFACE = %w{
synchronization
row_count_and_size
related_templates
}
def initialize(db, table)
@db = db
@table = table
end
def dependent_visualizations
affected_visualizations.select { |v| v.dependent_on?(table) }
end
def affected_visualizations
affected_visualization_records.to_a
.uniq { |attributes| attributes.fetch(:id) }
.map { |attributes| Visualization::Member.new(attributes) }
end
def preview_for(visualization)
data = {
id: visualization.id,
name: visualization.name,
updated_at: visualization.updated_at
}
if visualization[:permission_id].present? && !visualization.permission.nil?
data[:permission] = CartoDB::PermissionPresenter.new(visualization.permission).to_poro.select do |key, _val|
[:id, :owner].include?(key)
end
end
data[:auth_tokens] = if visualization.password_protected?
visualization.get_auth_tokens
elsif visualization.is_privacy_private?
visualization.user.get_auth_tokens
else
[]
end
data
end
def synchronization
return nil unless synchronization_record && !synchronization_record.empty?
CartoDB::Synchronization::Member.new(synchronization_record.first)
end
def row_count_and_size
@table.row_count_and_size
end
def related_templates
Carto::Template.all.select { |template| template.relates_to_table?(@table) }
end
private
attr_reader :db, :table
def affected_visualization_records
db[:visualizations].with_sql(%Q{
SELECT *
FROM layers_user_tables, layers_maps, visualizations
WHERE layers_user_tables.user_table_id = '#{table.id}'
AND layers_user_tables.layer_id = layers_maps.layer_id
AND layers_maps.map_id = visualizations.map_id
})
end
def synchronization_record
@syncronization_record ||= db[:synchronizations].with_sql(%Q{
SELECT *
FROM synchronizations
WHERE synchronizations.user_id = '#{table.user_id}'
AND synchronizations.name = '#{table.name}'
LIMIT 1
}).to_a
rescue => exception
puts exception.to_s
puts exception.backtrace
nil
end
end
end