Adds the link_view concept to reports; adds a link_view to credit notes report

registrasion/reporting/reports.py

@@ -23,9 +23,10 @@ _all_report_views = []
 
 class Report(object):
 
-    def __init__(self, title, headings, data):
+    def __init__(self, title, headings, data, link_view=None):
         self._headings = headings
         self._data = data
+        self._link_view = link_view
 
     @property
     def title(self):
@@ -42,6 +43,14 @@ class Report(object):
         ''' Returns the data rows for the table. '''
         return self._data
 
+    @property
+    def link_view(self):
+        ''' Returns the URL name or the view callable that can be used to
+        view the row's detail. The left-most value is passed into `reverse`
+        as an argument. '''
+
+        return self._link_view
+
 
 def report_view(title, form_type=None):
     ''' Decorator that converts a report view function into something that

registrasion/staff_views.py

@@ -199,4 +199,4 @@ def credit_notes(request, form):
             note.value,
         ])
 
-    return Report("Credit Notes", headings, data)
+    return Report("Credit Notes", headings, data, link_view="credit_note")