Add support for custom path pattern

Author: codingjoe

joeflow/models.py

@@ -154,7 +154,13 @@ def urls(cls):
                     route = "{name}/".format(name=name)
                 else:
                     route = "{name}/<pk>/".format(name=name)
-                urls.append(path(route, cls._wrap_view_instance(name, node), name=name))
+                urls.append(
+                    path(
+                        route + node.path,
+                        cls._wrap_view_instance(name, node),
+                        name=name,
+                    )
+                )
         if cls.detail_view:
             urls.append(
                 path("<pk>/", cls.detail_view.as_view(model=cls), name="detail")

joeflow/views.py

@@ -26,6 +26,16 @@ def get_template_names(self):
 
 class TaskViewMixin(ProcessTemplateNameViewMixin, RevisionMixin):
     name = None
+    path = ""
+    """
+    URL pattern postfix for task view.
+
+    Should a task require custom arguments via URL, path
+    can be set to provide a pattern postfix. e.G.::
+
+        start = tasks.StartView(path="path/to/<other_pk>")
+
+    """
 
     def __init__(self, **kwargs):
         self._instance_kwargs = kwargs

tests/test_models.py

@@ -238,6 +238,11 @@ def test_urls(self):
             "detail",
         }
 
+    def test_urls__custom_path(self):
+        patterns, namespace = models.SimpleProcess.urls()
+        patterns = {pattern.pattern.describe() for pattern in patterns}
+        assert "'start_view/custom/postfix/' [name='start_view']" in patterns
+
     def test_urls__no_override(self):
         class TestProcess(Process):
             override_view = None

tests/testapp/models.py

@@ -43,7 +43,7 @@ def end(self):
 
 
 class SimpleProcess(Process):
-    start_view = views.StartView(fields="__all__")
+    start_view = views.StartView(fields="__all__", path="custom/postfix/")
     start_method = tasks.Start()
     save_the_princess = views.TaskView(fields="__all__")