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Contents
module Searchlogic
module Condition
class Keywords < Base
# Because be default it joins with AND, so padding an array just gives you more options. Joining with and is no different than combining all of the words.
self.join_arrays_with_or = true
BLACKLISTED_WORDS = ('a'..'z').to_a + ["about", "an", "are", "as", "at", "be", "by", "com", "de", "en", "for", "from", "how", "in", "is", "it", "la", "of", "on", "or", "that", "the", "the", "this", "to", "und", "was", "what", "when", "where", "who", "will", "with", "www"] # from ranks.nl
ALLOWED_CHARACTERS = 'àáâãäåßéèêëìíîïñòóôõöùúûüýÿ\-_\.@'
class << self
def condition_names_for_column
super + ["kwords", "kw"]
end
end
def to_conditions(value)
strs = []
subs = []
search_parts = value.gsub(/,/, " ").split(/ /)
replace_non_alnum_characters!(search_parts)
search_parts.uniq!
remove_blacklisted_words!(search_parts)
return if search_parts.blank?
search_parts.each do |search_part|
strs << "#{column_sql} #{like_condition_name} ?"
subs << "%#{search_part}%"
end
[strs.join(" AND "), *subs]
end
private
def replace_non_alnum_characters!(search_parts)
search_parts.each do |word|
word.downcase!
word.gsub!(/[^[:alnum:]#{ALLOWED_CHARACTERS}]/, '')
end
end
def remove_blacklisted_words!(search_parts)
search_parts.delete_if { |word| word.blank? || BLACKLISTED_WORDS.include?(word.downcase) }
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems