diff --git a/app/api/tasks.py b/app/api/tasks.py
index 7e9e3235..e1a4f711 100644
--- a/app/api/tasks.py
+++ b/app/api/tasks.py
@@ -1,28 +1,40 @@
 from celery import shared_task
 from django.conf import settings
-from django_drf_filepond.api import store_upload
-from django_drf_filepond.models import TemporaryUpload
+from django.shortcuts import get_object_or_404
 
-from .models import Document, Label
+from .models import Document, Label, Project
+from .serializers import LabelSerializer, DocumentSerializer
+from .views.upload.factory import get_data_class, get_dataset_class, get_label_class
+from .views.upload.utils import append_field
 
 
 @shared_task
-def add(x, y):
-    return x + y
-
-
-@shared_task
-def mul(x, y):
-    return x * y
-
-
-@shared_task
-def xsum(numbers):
-    return sum(numbers)
-
-
-@shared_task
-def parse(upload_id):
-    tu = TemporaryUpload.objects.get(upload_id=upload_id)
-    su = store_upload(upload_id, destination_file_path=tu.upload_name)
-    return su.file.path
+def injest_data(project_id, filenames, format: str, **kwargs):
+    project = get_object_or_404(Project, pk=project_id)
+    data_class = get_data_class(project.project_type)
+    dataset_class = get_dataset_class(format)
+    label_class = get_label_class(project.project_type)
+    dataset = dataset_class(
+      filenames=filenames,
+      label_class=label_class,
+      data_class=data_class
+    )
+    annotation_serializer_class = project.get_annotation_serializer()
+    for batch in dataset.batch(settings.IMPORT_BATCH_SIZE):
+        data_serializer = DocumentSerializer(data=batch.data(), many=True)
+        data_serializer.is_valid()
+        data = data_serializer.save(project=project)
+
+        label_serializer = LabelSerializer(data=batch.label(), many=True)
+        label_serializer.is_valid()
+        label_serializer.save(project=project)
+
+        mapping = {label['text']: label['id'] for label in project.labels.values()}
+        annotation = batch.annotation(mapping)
+        for a, d in zip(annotation, data):
+            append_field(a, document=d.id)
+        annotation_serializer = annotation_serializer_class(data=annotation, many=True)
+        annotation_serializer.is_valid()
+        annotation_serializer.save()
+
+    return {'error': []}