Add delete workbook support

Partially implements blueprint mistral-dashboard-crud-operations

Change-Id: Ifde0de4542f01452cf201f785edfae2f63a4cf4d

mistraldashboard/api.py

@@ -133,3 +133,12 @@ def workbook_validate(request, workbook_definition):
     """
 
     return mistralclient(request).workbooks.validate(workbook_definition)
+
+
+def workbook_delete(request, workbook_definition):
+    """Delete workbook.
+
+    :param workbook_definition: Workbook definition
+    """
+
+    return mistralclient(request).workbooks.delete(workbook_definition)

mistraldashboard/workbooks/tables.py

@@ -15,10 +15,13 @@
 # limitations under the License.
 
 from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import ungettext_lazy
 
 from horizon import tables
 from horizon.utils import filters
 
+from mistraldashboard import api
+
 
 class CreateWorkbook(tables.LinkAction):
     name = "create"
@@ -28,6 +31,27 @@ class CreateWorkbook(tables.LinkAction):
     icon = "plus"
 
 
+class DeleteWorkbook(tables.DeleteAction):
+    @staticmethod
+    def action_present(count):
+        return ungettext_lazy(
+            u"Delete Workbook",
+            u"Delete Workbooks",
+            count
+        )
+
+    @staticmethod
+    def action_past(count):
+        return ungettext_lazy(
+            u"Deleted Workbook",
+            u"Deleted Workbooks",
+            count
+        )
+
+    def delete(self, request, workbook_name):
+        api.workbook_delete(request, workbook_name)
+
+
 def tags_to_string(workbook):
     return ', '.join(workbook.tags) if workbook.tags else None
 
@@ -62,4 +86,5 @@ class WorkbooksTable(tables.DataTable):
     class Meta:
         name = "workbooks"
         verbose_name = _("Workbooks")
-        table_actions = (CreateWorkbook,)
+        table_actions = (CreateWorkbook, DeleteWorkbook)
+        row_actions = (DeleteWorkbook,)