feat: version 2 beta

adapters/postgres/adapter.ts

@@ -0,0 +1,45 @@
+import { EventStoreAdapter } from "../../types/adapter.ts";
+import { PostgresConnection } from "./connection.ts";
+import { PostgresDatabase } from "./database.ts";
+import { PostgresEventsProvider } from "./providers/event.ts";
+import { PostgresRelationsProvider } from "./providers/relations.ts";
+import { PostgresSnapshotsProvider } from "./providers/snapshot.ts";
+
+/**
+ * A server-based event store adapter that integrates database-specific providers.
+ *
+ * The `PostgresAdapter` enables event sourcing in a back end environment by utilizing
+ * PostgreSql for storage. It provides implementations for event storage, relations,
+ * and snapshots, allowing seamless integration with the shared event store interface.
+ *
+ * @template TEvent - The type of events managed by the event store.
+ */
+export class PostgresAdapter implements EventStoreAdapter<PostgresDatabase> {
+  readonly providers: {
+    readonly events: PostgresEventsProvider;
+    readonly relations: PostgresRelationsProvider;
+    readonly snapshots: PostgresSnapshotsProvider;
+  };
+
+  #database: PostgresDatabase;
+
+  constructor(
+    readonly connection: PostgresConnection,
+    readonly options: Options = {},
+  ) {
+    this.#database = new PostgresDatabase(connection);
+    this.providers = {
+      events: new PostgresEventsProvider(this.#database, options.schema),
+      relations: new PostgresRelationsProvider(this.#database, options.schema),
+      snapshots: new PostgresSnapshotsProvider(this.#database, options.schema),
+    };
+  }
+
+  get db(): PostgresDatabase {
+    return this.#database;
+  }
+}
+
+type Options = {
+  schema?: string;
+};