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Contents
# frozen_string_literal: true
module Motor
module ApiQuery
module Search
SELECT_COLUMNS_AMOUNT = 2
COLUMN_TYPES = BuildSchema::SEARCHABLE_COLUMN_TYPES
ID_REGEXP = /\A\d+\z/.freeze
module_function
def call(rel, keyword)
return rel if keyword.blank?
filters = fetch_filters(rel, keyword)
arel_where = build_arel_or_query(filters)
rel.where(arel_where)
end
def fetch_filters(rel, keyword)
arel_filters = []
klass = rel.klass
arel_table = klass.arel_table
arel_filters << arel_table[klass.primary_key].eq(keyword) if keyword.match?(ID_REGEXP)
string_column_names = find_searchable_columns(klass)
selected_columns = select_columns(string_column_names)
selected_columns.each { |name| arel_filters << arel_table[name].matches("%#{keyword}%") }
arel_filters
end
def build_arel_or_query(filter_array)
filter_array.reduce(nil) do |acc, filter|
next acc = filter unless acc
acc.or(filter)
end
end
def select_columns(columns)
selected_columns =
columns.select do |name|
BuildSchema::FindDisplayColumn::DISPLAY_NAME_REGEXP.match?(name)
end.presence
selected_columns ||= columns.first(SELECT_COLUMNS_AMOUNT)
selected_columns
end
def find_searchable_columns(model)
model.columns.map do |column|
next unless column.type.in?(COLUMN_TYPES)
has_inclusion_validator =
model.validators_on(column.name).any? do |e|
e.is_a?(ActiveModel::Validations::InclusionValidator)
end
next if has_inclusion_validator
column.name
end.compact
end
end
end
end
Version data entries
33 entries across 33 versions & 1 rubygems