application_helper.rb in krikri-0.5.0

- old
+ new
@@ -1,4 +1,66 @@
 module Krikri
   module ApplicationHelper
+    ##
+    # @return [Array<Blacklight::SolrResponse::Facets::FacetItem>]
+    def available_providers
+      Krikri::Provider.all(&:reload)
+    end
+
+    ##
+    # @param provider [String, nil]
+    # @return [String]
+    def provider_name(provider)
+      provider = Krikri::Provider.find(provider) if provider.is_a? String
+      provider.present? ? provider.provider_name : "All Providers"
+    end
+
+    ##
+    # Gives the last path fragment for a given URI string in HTML escaped form
+    #
+    # @example
+    #   local_name('http://my_domain/blah/0123') => '0123'
+    #
+    # @param uri [#to_s] a URL formatted string to split
+    # @return [String] the escaped fragment
+    def local_name(uri)
+      uri.to_s.split('/').last.html_safe
+    end
+
+    ##
+    # Link to the current page, changing the session provider the given
+    # value.
+    # @param provider [String, nil]
+    def link_to_current_page_by_provider(provider)
+      provider = Krikri::Provider.find(provider) if provider.is_a? String
+
+      return link_to_provider_page(provider) if params[:controller] ==
+                                                'krikri/providers'
+      params[:provider] = provider.id
+      params[:session_provider] = provider.id
+      link_to provider_name(provider), params
+    end
+
+    def set_session_provider(provider)
+      provider = Krikri::Provider.find(provider) if provider.is_a? String
+      link_to provider_name(provider),
+              krikri.provider_path(provider.id, set_session: 1),
+              rel: 'nofollow'
+    end
+
+    def remove_session_provider
+      link_to "All Providers",
+              krikri.provider_path('clear', clear_session: 1),
+              rel: 'nofollow'
+    end
+
+    ##
+    # Link to the ProviderController's :index or :show route, using the given
+    # provider id in the case of :show.
+    # @param provider [String, nil]
+    def link_to_provider_page(provider)
+      return link_to(provider_name(provider), providers_path) unless provider
+      return link_to provider_name(provider),
+              provider_path(provider.id, set_session: provider.id)
+    end
   end
 end