Add ability to delete configurations

apps/api/src/server.ts

@@ -157,6 +157,9 @@ export const app = new Elysia()
             params: t.Object({ id: t.String() }),
             body: t.Object({ name: t.String(), datasetId: t.String(), params: StandardsParamsSchema })
         })
+        .delete("/configs/:id", async ({ params: { id } }) => {
+            await s.Standards.Configs.delete(id);
+        }, { params: t.Object({ id: t.String() }) })
         .get("/datasets", async () => {
             return await s.Standards.Datasets.list();
         })

apps/api/src/services/standards.ts

@@ -61,6 +61,18 @@ class StandardsConfigService {
             .execute();
         if (result[0]?.numUpdatedRows === 0n) throw new Error(`No config with id "${id}"`);
     }
+
+    async delete(id: string) {
+        const { count } = await db.selectFrom("standards_configs")
+            .select(db.fn.countAll<number>().as("count"))
+            .executeTakeFirstOrThrow();
+        if (Number(count) <= 1) throw new Error("Cannot delete the last remaining standards configuration");
+
+        const result = await db.deleteFrom("standards_configs")
+            .where("id", "=", id)
+            .execute();
+        if (result[0]?.numDeletedRows === 0n) throw new Error(`No config with id "${id}"`);
+    }
 }
 
 class StandardsDatasetService {