From 6afd71b6283a03e14050e1fcfc68d255c62095b2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emilio=20A=2E=20S=C3=A1nchez=20L=C3=B3pez?=
 <esanchez@yaco.es>
Date: Mon, 17 Jan 2011 18:16:57 +0000
Subject: [PATCH] Util functions to get workflows, states and annotation tags
 for a draft. See #543  - Legacy-Id: 2743

---
 ietf/ietfworkflows/utils.py | 96 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 94 insertions(+), 2 deletions(-)

diff --git a/ietf/ietfworkflows/utils.py b/ietf/ietfworkflows/utils.py
index 5096d7bb9..4dff8d10b 100644
--- a/ietf/ietfworkflows/utils.py
+++ b/ietf/ietfworkflows/utils.py
@@ -1,8 +1,18 @@
 import copy
+import datetime
 
-from workflows.utils import get_workflow_for_object, set_workflow_for_object
+from django.contrib.contenttypes.models import ContentType
 
-from ietf.ietfworkflows.models import WGWorkflow
+from workflows.models import State
+from workflows.utils import (get_workflow_for_object, set_workflow_for_object,
+                             get_state)
+
+from ietf.ietfworkflows.models import (WGWorkflow, AnnotationTagObjectRelation,
+                                       AnnotationTag, ObjectAnnotationTagHistoryEntry)
+
+
+WAITING_WRITEUP = 'WG Consensus: Waiting for Write-Up'
+FOLLOWUP_TAG = 'Doc Shepherd Follow-up Underway'
 
 
 def get_default_workflow_for_wg():
@@ -51,3 +61,85 @@ def get_workflow_for_wg(wg):
         workflow = clone_workflow(workflow, name='%s workflow' % wg)
         set_workflow_for_object(wg, workflow)
     return workflow
+
+def get_workflow_for_draft(draft):
+    workflow = get_workflow_for_object(draft)
+    try:
+        workflow = workflow and workflow.wgworkflow
+    except WGWorkflow.DoesNotExist:
+        workflow = None
+    if not workflow:
+        workflow = get_workflow_for_wg(draft.group.ietfwg)
+        set_workflow_for_object(draft, workflow)
+    return workflow
+
+
+def get_annotation_tags_for_draft(draft):
+    ctype = ContentType.objects.get_for_model(draft)
+    tags = AnnotationTagObjectRelation.objects.filter(content_type=ctype, content_id=draft.pk)
+    return tags
+
+
+def get_state_for_draft(draft):
+    return get_state(draft)
+
+
+def get_state_by_name(state_name):
+    try:
+        return State.objects.get(name=state_name)
+    except State.DoesNotExist:
+        return None
+
+
+def get_annotation_tag_by_name(tag_name):
+    try:
+        return AnnotationTag.objects.get(name=tag_name)
+    except AnnotationTag.DoesNotExist:
+        return None
+
+def set_tag_by_name(obj, tag_name):
+    ctype = ContentType.objects.get_for_model(obj)
+    try:
+        tag = AnnotationTag.objects.get(name=tag_name)
+        (relation, created) = AnnotationTagObjectRelation.objects.get_or_create(
+            content_type=ctype,
+            content_id=obj.pk,
+            annotation_tag=tag)
+    except AnnotationTag.DoesNotExist:
+        return None
+    return relation
+
+
+def reset_tag_by_name(obj, tag_name):
+    ctype = ContentType.objects.get_for_model(obj)
+    try:
+        tag = AnnotationTag.objects.get(name=tag_name)
+        tag_relation = AnnotationTagObjectRelation.objects.get(
+            content_type=ctype,
+            content_id=obj.pk,
+            annotation_tag=tag)
+        tag_relation.delete()
+        return True
+    except AnnotationTagObjectRelation.DoesNotExist:
+        return False
+    except AnnotationTag.DoesNotExist:
+        return False
+
+
+def update_tags(obj, comment, set_tags=[], reset_tags=[]):
+    ctype = ContentType.objects.get_for_model(obj)
+    setted = []
+    resetted = []
+    for name in set_tags:
+        if set_tag_by_name(obj, name):
+            setted.append(name)
+    for name in reset_tags:
+        if reset_tag_by_name(obj, name):
+            resetted.append(name)
+    ObjectAnnotationTagHistoryEntry.objects.create(
+        content_type=ctype,
+        content_id=obj.pk,
+        setted = ','.join(setted),
+        unsetted = ','.join(resetted),
+        change_date = datetime.datetime.now(),
+        comment = comment)