🏷️(backend) accept string as saved document

Saved documents has to be a string now.
Before it has to be a json object.

src/backend/core/api/serializers.py

@@ -7,8 +7,6 @@ from timezone_field.rest_framework import TimeZoneSerializerField
 
 from core import models
 
-from .fields import JSONField
-
 
 class UserSerializer(serializers.ModelSerializer):
     """Serialize users."""
@@ -136,7 +134,7 @@ class BaseResourceSerializer(serializers.ModelSerializer):
 class DocumentSerializer(BaseResourceSerializer):
     """Serialize documents."""
 
-    content = JSONField(required=False)
+    content = serializers.CharField(required=False)
 
     class Meta:
         model = models.Document

src/backend/core/api/viewsets.py

@@ -344,7 +344,7 @@ class DocumentViewSet(
 
         return drf_response.Response(
             {
-                "content": json.loads(response["Body"].read()),
+                "content": response["Body"].read().decode("utf-8"),
                 "last_modified": response["LastModified"],
             }
         )

src/backend/core/factories.py

@@ -35,7 +35,7 @@ class DocumentFactory(factory.django.DjangoModelFactory):
 
     title = factory.Sequence(lambda n: f"document{n}")
     is_public = factory.Faker("boolean")
-    content = factory.LazyFunction(lambda: {"foo": fake.word()})
+    content = factory.Sequence(lambda n: f"content{n}")
 
     @factory.post_generation
     def users(self, create, extracted, **kwargs):

src/backend/core/models.py

@@ -325,16 +325,15 @@ class Document(BaseModel):
             except (FileNotFoundError, ClientError):
                 pass
             else:
-                self._content = json.loads(response["Body"].read())
+                self._content = response["Body"].read().decode('utf-8')
         return self._content
 
     @content.setter
     def content(self, content):
         """Cache the content, don't write to object storage yet"""
-        if isinstance(content, str):
-            content = json.loads(content)
-        if not isinstance(content, dict):
-            raise ValueError("content should be a json object.")
+        if not isinstance(content, str):
+            raise ValueError("content should be a string.")
+        
         self._content = content
 
     def get_content_response(self, version_id=""):
@@ -349,7 +348,7 @@ class Document(BaseModel):
 
         if self._content:
             file_key = self.file_key
-            bytes_content = json.dumps(self._content).encode("utf-8")
+            bytes_content = self._content.encode("utf-8")
 
             if default_storage.exists(file_key):
                 response = default_storage.connection.meta.client.head_object(

src/backend/core/tests/documents/test_api_documents_retrieve.py

@@ -31,7 +31,7 @@ def test_api_documents_retrieve_anonymous_public():
         "accesses": [],
         "title": document.title,
         "is_public": True,
-        "content": {"foo": document.content["foo"]},
+        "content": document.content,
     }
 
 
@@ -76,7 +76,7 @@ def test_api_documents_retrieve_authenticated_unrelated_public():
         "accesses": [],
         "title": document.title,
         "is_public": True,
-        "content": {"foo": document.content["foo"]},
+        "content": document.content,
     }
 
 
@@ -140,7 +140,7 @@ def test_api_documents_retrieve_authenticated_related_direct():
     assert response.json() == {
         "id": str(document.id),
         "title": document.title,
-        "content": {"foo": document.content["foo"]},
+        "content": document.content,
         "abilities": document.get_abilities(user),
         "is_public": document.is_public,
     }
@@ -255,7 +255,7 @@ def test_api_documents_retrieve_authenticated_related_team_members(
     assert response.json() == {
         "id": str(document.id),
         "title": document.title,
-        "content": {"foo": document.content["foo"]},
+        "content": document.content,
         "abilities": document.get_abilities(user),
         "is_public": False,
     }
@@ -353,7 +353,7 @@ def test_api_documents_retrieve_authenticated_related_team_administrators(
     assert response.json() == {
         "id": str(document.id),
         "title": document.title,
-        "content": {"foo": document.content["foo"]},
+        "content": document.content,
         "abilities": document.get_abilities(user),
         "is_public": False,
     }
@@ -455,7 +455,7 @@ def test_api_documents_retrieve_authenticated_related_team_owners(
     assert response.json() == {
         "id": str(document.id),
         "title": document.title,
-        "content": {"foo": document.content["foo"]},
+        "content": document.content,
         "abilities": document.get_abilities(user),
         "is_public": False,
     }

src/backend/core/tests/test_api_document_versions.py

@@ -128,7 +128,7 @@ def test_api_document_versions_list_authenticated_related(via, mock_user_get_tea
     assert len(content["versions"]) == 0
 
     # Add a new version to the document
-    document.content = {"foo": "bar"}
+    document.content = "new content"
     document.save()
 
     response = client.get(
@@ -243,7 +243,7 @@ def test_api_document_versions_retrieve_authenticated_related(via, mock_user_get
 
     # Create a new version should make it available to the user
     time.sleep(1)  # minio stores datetimes with the precision of a second
-    document.content = {"foo": "bar"}
+    document.content = "new content"
     document.save()
 
     version_id = document.get_versions_slice()["versions"][0]["version_id"]
@@ -253,7 +253,7 @@ def test_api_document_versions_retrieve_authenticated_related(via, mock_user_get
     )
 
     assert response.status_code == 200
-    assert response.json()["content"] == {"foo": "bar"}
+    assert response.json()["content"] == "new content"
 
 
 def test_api_document_versions_create_anonymous():
@@ -459,7 +459,7 @@ def test_api_document_versions_delete_member(via, mock_user_get_teams):
 
     # Create a new version should make it available to the user
     time.sleep(1)  # minio stores datetimes with the precision of a second
-    document.content = {"foo": "bar"}
+    document.content = "new content"
     document.save()
 
     versions = document.get_versions_slice()["versions"]
@@ -503,7 +503,7 @@ def test_api_document_versions_delete_administrator_or_owner(via, mock_user_get_
 
     # Create a new version should make it available to the user
     time.sleep(1)  # minio stores datetimes with the precision of a second
-    document.content = {"foo": "bar"}
+    document.content = "new content"
     document.save()
 
     versions = document.get_versions_slice()["versions"]

src/backend/core/tests/test_models_documents.py

@@ -196,7 +196,7 @@ def test_models_documents_get_versions_slice(settings):
     # Create a document with 7 versions
     document = factories.DocumentFactory()
     for i in range(6):
-        document.content = {"foo": f"bar{i:d}"}
+        document.content = f"bar{i:d}"
         document.save()
 
     # Add a version not related to the first document
@@ -246,7 +246,7 @@ def test_models_documents_version_duplicate():
     assert len(response["Versions"]) == 1
 
     # Save modified content
-    document.content = {"foo": "spam"}
+    document.content = "new content"
     document.save()
 
     response = default_storage.connection.meta.client.list_object_versions(