Import and export timelines

taiga/export_import/dump_service.py

@@ -65,6 +65,14 @@ def store_user_stories(project, data):
     return results
 
 
+def store_timeline_entries(project, data):
+    results = []
+    for timeline in data.get('timeline', []):
+        tl = service.store_timeline_entry(project, timeline)
+        results.append(tl)
+    return results
+
+
 def store_issues(project, data):
     issues = []
     for issue in data.get('issues', []):
@@ -167,4 +175,11 @@ def dict_to_project(data, owner=None):
 
     store_tags_colors(proj, data)
 
+    if service.get_errors(clear=False):
+        raise TaigaImportError('error importing colors')
+
+    store_timeline_entries(proj, data)
+    if service.get_errors(clear=False):
+        raise TaigaImportError('error importing timelines')
+
     return proj

taiga/export_import/serializers.py

@@ -15,6 +15,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import base64
+import copy
 import os
 from collections import OrderedDict
 
@@ -39,6 +40,8 @@ from taiga.projects.milestones import models as milestones_models
 from taiga.projects.wiki import models as wiki_models
 from taiga.projects.history import models as history_models
 from taiga.projects.attachments import models as attachments_models
+from taiga.timeline import models as timeline_models
+from taiga.timeline import service as timeline_service
 from taiga.users import models as users_models
 from taiga.projects.votes import services as votes_service
 from taiga.projects.history import services as history_service
@@ -548,6 +551,39 @@ class WikiLinkExportSerializer(serializers.ModelSerializer):
         exclude = ('id', 'project')
 
 
+
+class TimelineDataField(serializers.WritableField):
+    read_only = False
+
+    def to_native(self, data):
+        new_data = copy.deepcopy(data)
+        try:
+            user = users_models.User.objects.get(pk=new_data["user"]["id"])
+            new_data["user"]["email"] = user.email
+            del new_data["user"]["id"]
+        except users_models.User.DoesNotExist:
+            pass
+        return new_data
+
+    def from_native(self, data):
+        new_data = copy.deepcopy(data)
+        try:
+            user = users_models.User.objects.get(email=new_data["user"]["email"])
+            new_data["user"]["id"] = user.id
+            del new_data["user"]["email"]
+        except users_models.User.DoesNotExist:
+            pass
+
+        return new_data
+
+
+class TimelineExportSerializer(serializers.ModelSerializer):
+    data = TimelineDataField()
+    class Meta:
+        model = timeline_models.Timeline
+        exclude = ('id', 'project', 'namespace', 'object_id')
+
+
 class ProjectExportSerializer(serializers.ModelSerializer):
     owner = UserRelatedField(required=False)
     default_points = serializers.SlugRelatedField(slug_field="name", required=False)
@@ -579,7 +615,12 @@ class ProjectExportSerializer(serializers.ModelSerializer):
     anon_permissions = PgArrayField(required=False)
     public_permissions = PgArrayField(required=False)
     modified_date = serializers.DateTimeField(required=False)
+    timeline = serializers.SerializerMethodField("get_timeline")
 
     class Meta:
         model = projects_models.Project
         exclude = ('id', 'creation_template', 'members')
+
+    def get_timeline(self, obj):
+        timeline_qs = timeline_service.get_project_timeline(obj)
+        return TimelineExportSerializer(timeline_qs, many=True).data

taiga/export_import/service.py

@@ -23,6 +23,7 @@ from django.contrib.contenttypes.models import ContentType
 from django.core.exceptions import ObjectDoesNotExist
 
 from taiga.projects.history.services import make_key_from_model_object
+from taiga.timeline.service import build_project_namespace
 from taiga.projects.references import sequences as seq
 from taiga.projects.references import models as refs
 from taiga.projects.services import find_invited_user
@@ -275,6 +276,19 @@ def store_attachment(project, obj, attachment):
     return serialized
 
 
+def store_timeline_entry(project, timeline):
+    serialized = serializers.TimelineExportSerializer(data=timeline, context={"project": project})
+    if serialized.is_valid():
+        serialized.object.project = project
+        serialized.object.namespace = build_project_namespace(project)
+        serialized.object.object_id = project.id
+        serialized.object._importing = True
+        serialized.save()
+        return serialized
+    add_errors("timeline", serialized.errors)
+    return serialized
+
+
 def store_history(project, obj, history):
     serialized = serializers.HistoryExportSerializer(data=history, context={"project": project})
     if serialized.is_valid():

taiga/projects/history/models.py

@@ -76,6 +76,8 @@ class HistoryEntry(models.Model):
     # snapshot. The rest are partial snapshot.
     is_snapshot = models.BooleanField(default=False)
 
+    _importing = None
+    
     @cached_property
     def is_change(self):
       return self.type == HistoryType.change

taiga/timeline/models.py

@@ -29,8 +29,8 @@ class Timeline(models.Model):
     content_type = models.ForeignKey(ContentType, related_name="content_type_timelines")
     object_id = models.PositiveIntegerField()
     content_object = GenericForeignKey('content_type', 'object_id')
-    namespace = models.SlugField(default="default")
-    event_type = models.SlugField()
+    namespace = models.CharField(max_length=250, default="default", db_index=True)
+    event_type = models.CharField(max_length=250, db_index=True)
     project = models.ForeignKey(Project)
     data = JsonField()
     data_content_type = models.ForeignKey(ContentType, related_name="data_timelines")

taiga/timeline/signals.py

@@ -71,6 +71,9 @@ def _push_to_timelines(project, user, obj, event_type, extra_data={}):
 
 
 def on_new_history_entry(sender, instance, created, **kwargs):
+    if instance._importing:
+        return
+
     if instance.is_hidden:
         return None