5365: add @distinct handling to workbench select queries and use this to preload...

[arvados.git] / apps / workbench / app / helpers / application_helper.rb

diff --git a/apps/workbench/app/helpers/application_helper.rb b/apps/workbench/app/helpers/application_helper.rb
index 794ce1b77e04e545d6e67ca5c1d6b64f6b9b44ba..b145fddcc9e63fad5c315e26856260c99dac6b7c 100644 (file)
--- a/apps/workbench/app/helpers/application_helper.rb
+++ b/apps/workbench/app/helpers/application_helper.rb
@@ -52,11 +52,12 @@ module ApplicationHelper
     ArvadosBase::resource_class_for_uuid(attrvalue, opts)
   end
 
-  # When using {remote:true} or {method:...}, move the target URI from
-  # href to data-remote-href. Otherwise, browsers offer features like
-  # "open in new window" and "copy link address" which bypass Rails'
-  # click handler and therefore end up at incorrect/nonexistent routes
-  # (by ignoring data-method) and expect to receive pages rather than
+  # When using {remote:true}, or using {method:...} to use an HTTP
+  # method other than GET, move the target URI from href to
+  # data-remote-href. Otherwise, browsers offer features like "open in
+  # new window" and "copy link address" which bypass Rails' click
+  # handler and therefore end up at incorrect/nonexistent routes (by
+  # ignoring data-method) and expect to receive pages rather than
   # javascript responses.
   #
   # See assets/javascripts/link_to_remote.js for supporting code.
@@ -176,6 +177,33 @@ module ApplicationHelper
     end
   end
 
+  def link_to_arvados_object_if_readable(attrvalue, link_text, link_text_if_not_readable, use_friendly_name=false)
+    resource_class = resource_class_for_uuid(attrvalue)
+    if !resource_class
+      return link_text_if_not_readable
+    end
+
+    if resource_class.to_s == 'Collection'
+      if CollectionsHelper.match(attrvalue)
+        readable = collection_for_pdh(attrvalue).any?
+      else
+        readable = collections_for_object(attrvalue).any?
+      end
+    else
+      readable = object_for_dataclass(resource_class, attrvalue)
+    end
+
+    if readable
+      if use_friendly_name
+        link_to_if_arvados_object attrvalue, friendly_name: true
+      else
+        link_to_if_arvados_object attrvalue, link_text: link_text
+      end
+    else
+      link_text_if_not_readable
+    end
+  end
+
   def render_editable_attribute(object, attr, attrvalue=nil, htmloptions={})
     attrvalue = object.send(attr) if attrvalue.nil?
     if not object.attribute_editable?(attr)