Class: Optimacms::PageServices::PageRouteService

Inherits:
Object
  • Object
show all
Defined in:
lib/optimacms/page_services/page_route_service.rb

Constant Summary collapse

REGEX_VARIABLE = 
'[a-z\d\_]+'

Class Method Summary collapse

Class Method Details

.count_url_parts(url) ⇒ Object 



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# File 'lib/optimacms/page_services/page_route_service.rb', line 91

def self.count_url_parts(url)
  url_parts = url.split '/'
  n = url_parts.count

  # if nothing after the last /
  n-=1 if url_parts.last == ''

  n
end

.count_url_vars(url) ⇒ Object 



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# File 'lib/optimacms/page_services/page_route_service.rb', line 101

def self.count_url_vars(url)
  #m = url.scan /\{\$[^}]+\}/
  m = url.scan /\:#{REGEX_VARIABLE}/
  m.count
end

.find_page_by_url(url, lang = '') ⇒ Object 



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# File 'lib/optimacms/page_services/page_route_service.rb', line 5

def self.find_page_by_url(url, lang='')
  where_base = 'is_folder = 0 AND enabled = 1 AND '
  order = 'url_parts_count DESC, url_vars_count ASC'

  if url.blank?
    where = where_base + 'url = \'\''
  else
    #where = where_base + '\'' + url + '\' REGEXP parsed_url'
    where = where_base + '\'' + url + '\''+ " REGEXP parsed_url"
  end

  # result
  pagedata = PageData.new
  pagedata.url = url

  # try 1
  rows = Page.where(where).order(order).all
  pagedata.page = rows[0] if rows.count>0

  # try 2
  if pagedata.page.nil? && url.blank?
    where = where_base + "url = '#{lang}'"
    rows = Page.where(where).order(order).all

    pagedata.page = rows[0] if row.count>0
  end

  return pagedata if pagedata.page.nil?


  # params from url
  pagedata.url_vars = get_url_vars(pagedata.url, pagedata.page)

  # controller
  if pagedata.page.controller_action.present?
    pagedata.controller, pagedata.action = parse_controller_action(pagedata.page.controller_action)
  end


  pagedata
end

.get_url_vars(url, page_row) ⇒ Object 



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# File 'lib/optimacms/page_services/page_route_service.rb', line 107

def self.get_url_vars(url, page_row)
  return {} if page_row.nil?
  return {} if url.blank?

  parsed_url = page_row.parsed_url.sub '/', '\/'

  #if (preg_match('/' . $parsed_url . '/', $url, $values_matches)) {
  m_params_in_url = url.scan /#{parsed_url}/

  return nil if m_params_in_url.empty?

  values_matches = m_params_in_url[0]

  # search for variables in URL
  #keys_matches = page_row.url.scan /\{\$([^}\/]+)\}/
  keys_matches = page_row.url.scan /\:(#{REGEX_VARIABLE})/
  if !keys_matches.empty?
    keys_matches = keys_matches.map{|r| r[0]}
    if keys_matches.count == values_matches.count
      res = {}
      values_matches.each_with_index do |val, key|
        res[keys_matches[key].to_sym] = val
      end
      #url_vars = array_combine($keys_matches, $values_matches);
      return res
    else
      #user_error('Keys and values has different number of elements');
      return {}
    end

  elsif m_params_in_url.count == 0
    # no variables found, and parsed_url has no variables => return empty []
    return {}
  else
    # smth wrong
    return {}
  end

end

.make_url(u, p = {}) ⇒ Object 



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# File 'lib/optimacms/page_services/page_route_service.rb', line 147

def self.make_url(u, p={})
  res = u.gsub(/\:#{REGEX_VARIABLE}/) do
    |name| (p[name[1..-1].to_sym] || '')
  end
  res
end

.parse_controller_action(s) ⇒ Object 



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# File 'lib/optimacms/page_services/page_route_service.rb', line 47

def self.parse_controller_action(s)
  m = s.match /^(\w+)#(\w+)$/
  if m
    [m[1], m[2]]
  else
    return nil
  end
end

.parse_url(url) ⇒ Object 



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# File 'lib/optimacms/page_services/page_route_service.rb', line 59

def self.parse_url(url)
  if url.blank?
    return '^$'
  end

  url_parts = url.split '/'
  a = []
  url_parts.each do |part|
    # check for brackets inside brackets
    return nil if part =~ /\{[^{}]*[{}][^{}]*\}/

    # check if any single brackets or symbol $ without brackets or bracket without $
    return nil if part =~ /(\{[^}]*$|^[^{]*\}|[^{]\$|\{[^\$])/

    p = part

    # variables
    #p.gsub! /\{\$[^}]+\}/, '([^/]+)'
    p.gsub! /(\:#{REGEX_VARIABLE})([-\.]|$)/, '([^/]+)\2'


    # escape system symbols
    # replace '.'
    p.sub! '.', '[.]'


    a << p
  end

  return '^'+url_parts.join('\/')+'$'
end