feat(core): Add ticket_category slash command

ref: #690 closes #598

app/core/lib/slash_commands/linked_model.py

@@ -221,6 +221,14 @@ For this command to process the following conditions must be met:
 
             item_type = TicketLinkedItem.Modules.TEAM
 
+        elif model_type == 'ticket_category':
+
+            from core.models.ticket.ticket_category import TicketCategory
+
+            model = TicketCategory
+
+            item_type = TicketLinkedItem.Modules.TICKET_CATEGORY
+
 
         return tuple([
             model,

app/core/models/ticket/ticket_linked_items.py

@@ -43,6 +43,7 @@ class TicketLinkedItem(TenancyObject):
         TEAM             = 9, 'Team'
         FEATURE_FLAG     = 10, 'Feature Flag'
         SOFTWARE_VERSION = 11, 'Software Version'
+        TICKET_CATEGORY  = 12, 'Ticket Category'
 
 
     is_global = None

app/core/viewsets/ticket_linked_item.py

@@ -7,6 +7,7 @@ from assistance.models.knowledge_base import KnowledgeBase
 
 from config_management.models.groups import ConfigGroups
 
+from core.models.ticket.ticket_category import TicketCategory
 from core.serializers.ticket_linked_item import (
     Ticket,
     TicketLinkedItem,
@@ -200,6 +201,12 @@ class ViewSet(ModelViewSet):
 
                         self.parent_model = SoftwareVersion
 
+                    elif str(getattr(TicketLinkedItem.Modules, 'TICKET_CATEGORY').label).lower().replace(' ', '_') == self.kwargs['item_class']:
+
+                        item_type = getattr(TicketLinkedItem.Modules, 'TICKET_CATEGORY').value
+
+                        self.parent_model = TicketCategory
+
 
                 self.item_type = item_type