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# frozen_string_literal: true
# == Schema Information
#
# Table name: tags
#
# id :bigint not null, primary key
# name :string default(""), not null
# created_at :datetime not null
# updated_at :datetime not null
#
class Tag < ApplicationRecord
has_and_belongs_to_many :statuses
HASHTAG_NAME_RE = '[[:word:]_]*[[:alpha:]_][[:word:]_]*'
HASHTAG_RE = /(?:^|[^\/\)\w])#(#{HASHTAG_NAME_RE})/i
validates :name, presence: true, uniqueness: true, format: { with: /\A#{HASHTAG_NAME_RE}\z/i }
def to_param
name
end
class << self
def search_for(term, limit = 5)
pattern = sanitize_sql_like(term) + '%'
Tag.where('lower(name) like lower(?)', pattern).order(:name).limit(limit)
end
end
end