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-rw-r--r--migrations/auth/20230907_01_pjnxz-refactor-add-resource-ownership-table.py32
-rw-r--r--tests/unit/auth/test_migrations_create_tables.py4
2 files changed, 35 insertions, 1 deletions
diff --git a/migrations/auth/20230907_01_pjnxz-refactor-add-resource-ownership-table.py b/migrations/auth/20230907_01_pjnxz-refactor-add-resource-ownership-table.py
new file mode 100644
index 0000000..37fcfe7
--- /dev/null
+++ b/migrations/auth/20230907_01_pjnxz-refactor-add-resource-ownership-table.py
@@ -0,0 +1,32 @@
+"""
+refactor: add resource_ownership table
+"""
+
+from yoyo import step
+
+__depends__ = {'20230410_02_WZqSf-create-mrna-resources-table'}
+
+steps = [
+    step(
+        """
+        CREATE TABLE IF NOT EXISTS resource_ownership(
+        -- This table links resources to groups, where relevant
+          group_id TEXT NOT NULL,
+          resource_id TEXT NOT NULL,
+          PRIMARY KEY(group_id, resource_id),
+          FOREIGN KEY(group_id)
+            REFERENCES groups(group_id)
+            ON UPDATE CASCADE ON DELETE RESTRICT,
+          FOREIGN KEY(resource_id)
+            REFERENCES resources(resource_id)
+            ON UPDATE CASCADE ON DELETE RESTRICT
+        ) WITHOUT ROWID
+        """,
+        "DROP TABLE IF EXISTS resource_ownership"),
+    step(# Copy over data
+        """
+        INSERT INTO resource_ownership
+        SELECT group_id, resource_id FROM resources
+        """
+    )
+]
diff --git a/tests/unit/auth/test_migrations_create_tables.py b/tests/unit/auth/test_migrations_create_tables.py
index bd0164e..eb0e161 100644
--- a/tests/unit/auth/test_migrations_create_tables.py
+++ b/tests/unit/auth/test_migrations_create_tables.py
@@ -39,7 +39,9 @@ migrations_and_tables = (
     ("20230404_02_la33P-create-genotype-resources-table.py",
      "genotype_resources"),
     ("20230410_01_8mwaf-create-linked-mrna-data-table.py", "linked_mrna_data"),
-    ("20230410_02_WZqSf-create-mrna-resources-table.py", "mrna_resources"))
+    ("20230410_02_WZqSf-create-mrna-resources-table.py", "mrna_resources"),
+    ("20230907_01_pjnxz-refactor-add-resource-ownership-table.py",
+     "resource_ownership"))
 
 @pytest.mark.unit_test
 @pytest.mark.parametrize("migration_file,the_table", migrations_and_tables)