Add support for RTL text direction for template content (#2321)

* feat(rtl): add new text direction column to db, model

* feat(rtl): add `text_direction_rtl` property to `TemplateSchema`

* feat(rtl): add `text_direction_rtl` property to the list of properties checked to see if a template changed

* chore: formatting

* tests(rtl): add tests to ensure template updates when text direction changes

* chore: update utils dep

* chore: update poetry lock file

* test(rtl): add tests for creating templates

* chore: bump utils

* chore: update poetry.lock

app/models.py

@@ -1096,6 +1096,7 @@ def __init__(self, **kwargs):
     hidden = db.Column(db.Boolean, nullable=False, default=False)
     subject = db.Column(db.Text)
     postage = db.Column(db.String, nullable=True)
+    text_direction_rtl = db.Column(db.Boolean, nullable=False, default=False)
     CheckConstraint(
         """
         CASE WHEN template_type = 'letter' THEN

app/schemas.py

@@ -406,6 +406,7 @@ class TemplateSchema(BaseTemplateSchema):
     redact_personalisation = fields.Method("redact")
     created_at = FlexibleDateTime()
     updated_at = FlexibleDateTime()
+    text_direction_rtl = field_for(models.Template, "text_direction_rtl")
 
     def get_is_precompiled_letter(self, template):
         return template.is_precompiled_letter
@@ -578,6 +579,7 @@ class Meta(BaseSchema.Meta):
             "subject",
             "redact_personalisation",
             "is_precompiled_letter",
+            "text_direction_rtl",
         ],
         dump_only=True,
     )

app/template/rest.py

@@ -278,7 +278,16 @@ def _template_has_not_changed(current_data, updated_template):
         return False
     return all(
         current_data[key] == updated_template[key]
-        for key in ("name", "content", "subject", "archived", "process_type", "postage", "template_category_id")
+        for key in (
+            "name",
+            "content",
+            "subject",
+            "archived",
+            "process_type",
+            "postage",
+            "template_category_id",
+            "text_direction_rtl",
+        )
     )
 
 

migrations/versions/0461_add_rtl_column_templates.py

@@ -0,0 +1,26 @@
+"""
+Revision ID: 0461_add_rtl_column_templates
+Revises: 0460_new_service_columns
+Create Date: 2024-06-27 13:32:00
+"""
+import sqlalchemy as sa
+from alembic import op
+
+revision = "0461_add_rtl_column_templates"
+down_revision = "0460_new_service_columns"
+
+
+def upgrade():
+    # Add the new column to the templates table
+    op.add_column("templates", sa.Column("text_direction_rtl", sa.Boolean(), nullable=False, server_default=sa.false()))
+
+    # Add the new column to the templates_history table
+    op.add_column("templates_history", sa.Column("text_direction_rtl", sa.Boolean(), nullable=False, server_default=sa.false()))
+
+
+def downgrade():
+    # Remove the column from the templates table
+    op.drop_column("templates", "text_direction_rtl")
+
+    # Remove the column from the templates_history table
+    op.drop_column("templates_history", "text_direction_rtl")