feat: add campaign copying scheduling and residual handling

src/govoplan_campaign/backend/integrations.py

@@ -38,9 +38,12 @@ from govoplan_core.core.postbox import (
 )
 from govoplan_core.core.templates import (
     CAPABILITY_TEMPLATE_CATALOG,
+    CAPABILITY_TEMPLATE_CONTENT_LIBRARY,
     CAPABILITY_TEMPLATE_RENDERER,
     TemplateCatalogProvider,
     TemplateCompatibility,
+    TemplateContentDraftRequest,
+    TemplateContentLibraryProvider,
     TemplateRef,
     TemplateRenderRequest,
     TemplateRenderResult,
@@ -56,6 +59,7 @@ POSTBOX_DIRECTORY_CAPABILITY = CAPABILITY_POSTBOX_DIRECTORY
 POSTBOX_EVIDENCE_CAPABILITY = CAPABILITY_POSTBOX_EVIDENCE
 APPROVALS_CAPABILITY = CAPABILITY_APPROVAL_REQUESTS
 TEMPLATE_CATALOG_CAPABILITY = CAPABILITY_TEMPLATE_CATALOG
+TEMPLATE_CONTENT_LIBRARY_CAPABILITY = CAPABILITY_TEMPLATE_CONTENT_LIBRARY
 TEMPLATE_RENDERER_CAPABILITY = CAPABILITY_TEMPLATE_RENDERER
 CALENDAR_INVITATIONS_CAPABILITY = CAPABILITY_CALENDAR_INVITATIONS
 
@@ -527,6 +531,7 @@ class TemplatesCampaignIntegration:
         self,
         catalog_delegate: object | None = None,
         renderer_delegate: object | None = None,
+        content_library_delegate: object | None = None,
     ) -> None:
         self._catalog = (
             catalog_delegate
@@ -538,11 +543,24 @@ class TemplatesCampaignIntegration:
             if isinstance(renderer_delegate, TemplateRendererProvider)
             else None
         )
+        self._content_library = (
+            content_library_delegate
+            if isinstance(content_library_delegate, TemplateContentLibraryProvider)
+            else None
+        )
 
     @property
     def available(self) -> bool:
         return self._catalog is not None and self._renderer is not None
 
+    @property
+    def content_available(self) -> bool:
+        return self._catalog is not None
+
+    @property
+    def content_writable(self) -> bool:
+        return self._content_library is not None
+
     def list_templates(
         self,
         session: object,
@@ -563,6 +581,43 @@ class TemplatesCampaignIntegration:
             )
         )
 
+    def list_content_templates(
+        self,
+        session: object,
+        principal: object,
+        *,
+        query: str = "",
+        limit: int = 100,
+    ) -> tuple[TemplateRef, ...]:
+        if self._catalog is None:
+            return ()
+        return tuple(
+            self._catalog.list_templates(
+                session,
+                principal,
+                query=query,
+                usage="campaign.content",
+                limit=limit,
+            )
+        )
+
+    def create_content_draft(
+        self,
+        session: object,
+        principal: object,
+        *,
+        request: TemplateContentDraftRequest,
+    ) -> TemplateRef:
+        if self._content_library is None:
+            raise TemplateOutputUnavailable(
+                "Saving reusable Campaign content requires the Templates content-library capability."
+            )
+        return self._content_library.create_content_draft(
+            session,
+            principal,
+            request=request,
+        )
+
     def check_compatibility(
         self,
         session: object,
@@ -799,6 +854,7 @@ def templates_integration() -> TemplatesCampaignIntegration:
     return TemplatesCampaignIntegration(
         capability(TEMPLATE_CATALOG_CAPABILITY),
         capability(TEMPLATE_RENDERER_CAPABILITY),
+        capability(TEMPLATE_CONTENT_LIBRARY_CAPABILITY),
     )