Class: ConstructorPages::Page

Inherits:
ActiveRecord::Base
  • Object
show all
Includes:
ActiveSupport::Inflector
Defined in:
app/models/constructor_pages/page.rb

Overview

Page model. Pages are core for company websites, blogs etc.

Class Method Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object

When method missing it get/set field value or get page in branch

Examples:

page.content = 'Hello world'
puts page.price
page.brand.models.each do...



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# File 'app/models/constructor_pages/page.rb', line 197

def method_missing(name, *args, &block)
  super && return if new_record?
  name = name.to_s
  name[-1] == '=' ? set_field_value(name[0..-2], args[0]) : get_field_value(name) || find_pages_in_branch(name)
end

Class Method Details

.by(params = nil) ⇒ Object 



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# File 'app/models/constructor_pages/page.rb', line 69

def by(params = nil); tap {@params = params} end

.check_code_name(code_name) ⇒ Object

Check code_name for field and template. When missing method Page find field or page in branch with plural and singular code_name so field and template code_name should be uniqueness for page methods



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# File 'app/models/constructor_pages/page.rb', line 43

def check_code_name(code_name)
  [code_name, code_name.pluralize, code_name.singularize].each {|name|
    return false if Page.instance_methods.include?(name.to_sym)}
  true
end

.find_by_request_or_first(request = nil) ⇒ Object

Used for find page by request. It return first page if no request given or request is home page

Parameters:

  • request (defaults to: nil) —

    for example '/conditioners/split-systems/zanussi'



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# File 'app/models/constructor_pages/page.rb', line 29

def find_by_request_or_first(request = nil)
  (request.nil? || request == '/') ? Page.first : Page.find_by(full_url: request)
end

.full_url_generate(parent_id, url = '') ⇒ Object

Generate full_url from parent id and url

Parameters:

  • parent_id —

    integer

  • url (defaults to: '') —

    should looks like 'hello-world-page' without leading slash



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# File 'app/models/constructor_pages/page.rb', line 36

def full_url_generate(parent_id, url = '')
  '/' + Page.find(parent_id).self_and_ancestors.map{|p| p.url if p.in_url}.append(url).compact.join('/')
end

.ids_by_params(params) ⇒ Object

Return ids of pages founded by params



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# File 'app/models/constructor_pages/page.rb', line 75

def ids_by_params(params)
  _hash = {}

  params.each_pair do |key, value|
    next if key == 'utf8'

    key = key.to_s
    _key, _value = key.gsub(/>|</, ''), value

    if _value.is_a?(String)
      next if _value.strip.empty?
      _value = _value.gsub(/>|</, '')
      _value = _value.numeric? ? _value.to_f : (_value.to_boolean if _value.boolean?)
    end

    sign = '='

    if key =~ />$/ || value =~ /^>/
      sign = '>'
    elsif key =~ /<$/ || value =~ /^</
      sign = '<'
    end

    _fields = ConstructorPages::Field.where(code_name: _key)

    _ids = []

    _fields.each do |_field|
      _hash[:field_id] = _field.id
      _ids << _field.type_class.where("value #{sign} ?", _value).where(_hash).map(&:page_id)
    end

    _hash[:page_id] = _ids.flatten.uniq
  end

  return _hash[:page_id] || []
end

.in(where = nil) ⇒ Object 



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# File 'app/models/constructor_pages/page.rb', line 68

def in(where  = nil); tap {@where  = where}  end

.search(what = nil) ⇒ Object

Search pages

Example:

Page.in('/conditioners').search_by(area: 25)
Page.by('price<' => 5000).search_in('/zanussi')
Page.in('/midea').by('price>' => 10000).search(:models)



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# File 'app/models/constructor_pages/page.rb', line 55

def search(what = nil)
  _hash, _array = {}, []
  @where = Page.find_by(full_url: @where) if @where.is_a?(String)
  _array = ['lft > ? and rgt < ?', @where.lft, @where.rgt] if @where
  if what
    what = what.to_s.singularize.downcase
    _hash[:template_id] = ConstructorPages::Template.find_by(code_name: what).try(:id)
  end
  _hash[:id] = ids_by_params(@params) if @params
  @where = @params = nil
  _hash.empty? && _array.empty? ? [] : Page.where(_hash).where(_array).to_a
end

.search_by(params = nil) ⇒ Object 



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# File 'app/models/constructor_pages/page.rb', line 72

def search_by(params = nil); self.by(params).search end

.search_in(where = nil) ⇒ Object 



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# File 'app/models/constructor_pages/page.rb', line 71

def search_in(where  = nil); self.in(where).search  end

Instance Method Details

#as_json(options = {}) ⇒ Object

Returns page hash attributes with fields.

Default attributes are name and title. Options param allows to add more.

Parameters:

  • options (defaults to: {}) —

    default merge name and title page attributes



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# File 'app/models/constructor_pages/page.rb', line 177

def as_json(options = {})
  {name: self.name, title: self.title}.merge(options).tap do |options|
    fields.each {|f| options.merge!({f.code_name.to_sym => f.get_value_for(self)})}
  end
end

#by(params = nil) ⇒ Object 



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# File 'app/models/constructor_pages/page.rb', line 115

def by(params = nil); Page.by(params); self end

#create_fields_values ⇒ Object

Create fields values



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# File 'app/models/constructor_pages/page.rb', line 142

def create_fields_values; fields.each {|f| f.create_type_object self} end

#field(code_name) ⇒ Object

Get field by code_name



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# File 'app/models/constructor_pages/page.rb', line 119

def field(code_name)
  Field.find_by code_name: code_name, template_id: template_id
end

#find_page_in_branch(cname) ⇒ Object Also known as: find_pages_in_branch

Search page by template code_name in same branch of pages and templates. It allows to call page.category.brand.series.model etc.

Return one page if founded in ancestors, and return array of pages if founded in descendants

It determines if code_name is singular or nor

Parameters:

  • cname —

    template code name



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# File 'app/models/constructor_pages/page.rb', line 155

def find_page_in_branch(cname)
  Template.find_by(code_name: cname.singularize).tap {|t| t || return
    (descendants.where(template_id: t.id) if cname == cname.pluralize).tap {|r| r ||= []
      return r.empty? ? ancestors.find_by(template_id: t.id) : r}}
end

#get_field_value(code_name) ⇒ Object

Get value of field by code_name



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# File 'app/models/constructor_pages/page.rb', line 124

def get_field_value(code_name); field(code_name).try(:get_value_for, self) end

#in_breadcrumbs ⇒ Object 



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# File 'app/models/constructor_pages/page.rb', line 163

def in_breadcrumbs; in_nav end

#multipart? ⇒ Boolean

Return true if there is a file upload field in page

Returns:

  • (Boolean) 


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# File 'app/models/constructor_pages/page.rb', line 168

def multipart?
  fields.each {|f| return true if f.type_value == 'image'}
  false
end

#published? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/constructor_pages/page.rb', line 165

def published?; active? end

#redirect? ⇒ Boolean

Check if link specified

Returns:

  • (Boolean) 


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# File 'app/models/constructor_pages/page.rb', line 184

def redirect?; url != redirect && !redirect.empty? end

#remove_fields_values ⇒ Object

Remove all fields values



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# File 'app/models/constructor_pages/page.rb', line 145

def remove_fields_values; fields.each {|f| f.remove_type_object self} end

#search(what = nil) ⇒ Object 



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# File 'app/models/constructor_pages/page.rb', line 114

def search(what = nil); Page.in(self).search(what) end

#search_by(params = nil) ⇒ Object 



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# File 'app/models/constructor_pages/page.rb', line 116

def search_by(params = nil); Page.by(params).in(self).search end

#set_field_value(code_name, value) ⇒ Object

Set value of field by code_name and value



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# File 'app/models/constructor_pages/page.rb', line 127

def set_field_value(code_name, value); field(code_name).try(:set_value_for, self, value) end

#touch_branch ⇒ Object

Touch all pages in same branch



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# File 'app/models/constructor_pages/page.rb', line 187

def touch_branch
  [ancestors, descendants].each {|p| p.map(&:touch)}
end

#update_fields_values(params, reset_booleans = true) ⇒ Object

Update all fields values with given params.

Parameters:

  • params —

    should looks like {price: 500, content: 'Hello'}

  • reset_booleans (defaults to: true) —

    reset all boolean fields to false before assign params



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# File 'app/models/constructor_pages/page.rb', line 132

def update_fields_values(params, reset_booleans = true)
  params || return

  fields.each {|f| f.find_or_create_type_object(self).tap {|t| t || next
    t.value = 0 if f.type_value == 'boolean' && reset_booleans
    params[f.code_name.to_sym].tap {|v| v && t.value = v}
    t.save }}
end