feat: add dataflow publication contracts and workflow webui

tests/test_datasource_contract.py

@@ -6,6 +6,7 @@ from govoplan_core.core.datasources import (
     CAPABILITY_DATASOURCE_CATALOGUE,
     CAPABILITY_DATASOURCE_LIFECYCLE,
     CAPABILITY_DATASOURCE_ORIGINS,
+    CAPABILITY_DATASOURCE_PUBLICATION,
     DatasourceCatalogueProvider,
     DatasourceDescriptor,
     DatasourceField,
@@ -14,11 +15,14 @@ from govoplan_core.core.datasources import (
     DatasourceOrigin,
     DatasourceOriginProvider,
     DatasourceOriginReadResult,
+    DatasourcePublicationProvider,
+    DatasourcePublicationResult,
     DatasourceReadResult,
     DatasourceStage,
     datasource_catalogue,
     datasource_lifecycle,
     datasource_origins,
+    datasource_publication,
 )
 from govoplan_core.core.modules import ModuleContext, ModuleManifest
 from govoplan_core.core.registry import PlatformRegistry
@@ -99,6 +103,21 @@ class _Provider:
         del session, principal, datasource_ref
         return self.descriptor
 
+    def publish_rows(self, session, principal, *, request):
+        del session, principal, request
+        return DatasourcePublicationResult(
+            ref="publication:1",
+            status="published",
+            datasource=self.descriptor,
+            materialization=DatasourceMaterialization(
+                ref="materialization:1",
+                datasource_ref=self.descriptor.ref,
+                revision=1,
+                state="published",
+                fingerprint=self.descriptor.fingerprint,
+            ),
+        )
+
     def list_origins(self, session, principal, *, query="", limit=100):
         del session, principal, query
         return (
@@ -131,6 +150,7 @@ class DatasourceContractTests(unittest.TestCase):
         provider = _Provider()
         self.assertIsInstance(provider, DatasourceCatalogueProvider)
         self.assertIsInstance(provider, DatasourceLifecycleProvider)
+        self.assertIsInstance(provider, DatasourcePublicationProvider)
         self.assertIsInstance(provider, DatasourceOriginProvider)
         registry = PlatformRegistry()
         registry.register(
@@ -141,6 +161,7 @@ class DatasourceContractTests(unittest.TestCase):
                 capability_factories={
                     CAPABILITY_DATASOURCE_CATALOGUE: lambda context: provider,
                     CAPABILITY_DATASOURCE_LIFECYCLE: lambda context: provider,
+                    CAPABILITY_DATASOURCE_PUBLICATION: lambda context: provider,
                     CAPABILITY_DATASOURCE_ORIGINS: lambda context: provider,
                 },
             )
@@ -149,6 +170,7 @@ class DatasourceContractTests(unittest.TestCase):
 
         self.assertIs(provider, datasource_catalogue(registry))
         self.assertIs(provider, datasource_lifecycle(registry))
+        self.assertIs(provider, datasource_publication(registry))
         self.assertIs(provider, datasource_origins(registry))
         self.assertIsNone(datasource_catalogue(PlatformRegistry()))