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Contents
# See Pagy API documentation: https://ddnexus.github.io/pagy/docs/api/keyset
# frozen_string_literal: true
class Pagy
class Keyset
# Keyset adapter for ActiveRecord
class ActiveRecord < Keyset
protected
# Get the keyset attributes of the record
def latest_from(latest_record) = latest_record.slice(*@keyset.keys)
# Extract the keyset from the set
def extract_keyset
@set.order_values.each_with_object({}) do |node, keyset|
keyset[node.value.name.to_sym] = node.direction
end
end
# Filter out the already retrieved records
def after_latest = @set.where(after_latest_query, **@latest)
# Append the missing keyset keys if the set is restricted by select
def apply_select
@set.select(*@keyset.keys)
end
# Set with selected columns?
def select? = !@set.select_values.empty?
# Typecast the latest attributes
def typecast_latest(latest)
@set.model.new(latest).slice(latest.keys)
.to_hash.transform_keys(&:to_sym)
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems