Class: Xhive::Mapper

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/xhive/mapper.rb

Overview

Maps resources to pages.

Defined Under Namespace

Classes: InvalidPolicyError

Class Method Summary collapse

Class Method Details

.all_by_resource(site, resource) ⇒ Object

Public: returns all the mappers for a specific resource.

site - The Site owner of the mappers. resource - The String containing the resource to filter by.

Returns: an ActiveRecord::Relation filtered by resource.



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# File 'app/models/xhive/mapper.rb', line 59

def self.all_by_resource(site, resource)
  where(:site_id => site.id).where(:resource => resource)
end

.map_resource(site, page, resource, action, key = nil, policy = nil) ⇒ Object

Public: creates a mapper for a specific resource and page.

site - The Site to associate the mapper to. page - The Page object to map. resource - The String containing the associated resource name. action - The String containing the associated action name. key - The String containing the associated key. policy - The String containing the policy class.

Returns: true if created. False otherwise.



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# File 'app/models/xhive/mapper.rb', line 41

def self.map_resource(site, page, resource, action, key = nil, policy = nil)
  check_policy_class(policy) if policy.present?

  mapper = find_exact_map(site, resource, action, key, policy)
  mapper = new(:site_id => site.id, :resource => resource,
               :action => action, :policy => policy.present? ? policy : nil,
               :key => key.present? ? key : nil) unless mapper.present?
  mapper.page = page
  mapper.save
end

.page_for(site, resource, action, key = nil, opts = {}) ⇒ Object

Public: looks for a page mapper and returns the associated page.

site - The Site to look into. resource - The String containing the resource name filter. action - The String containing the action name filter. key - The String containing the key filter. opts - The Hash containing extra values for policy-based filters.

Returns: the mapped page or nil if not found.



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# File 'app/models/xhive/mapper.rb', line 25

def self.page_for(site, resource, action, key = nil, opts = {})
  mapper = find_map(site, resource, action, key, opts)
  page = mapper.try(:page)
end