init

src/services/read-api.ts

@@ -0,0 +1,22 @@
+import { DiaryEntries } from "@/db/schemas";
+import { singleResultOrFail } from "@/libs/utils/effects";
+import { desc } from "drizzle-orm";
+import { Data, Effect } from "effect";
+
+import { LocalSqlite } from "./db";
+
+class ReadApiError extends Data.TaggedError("ReadApiError")<{ cause: unknown }> {}
+
+export class ReadApi extends Effect.Service<ReadApi>()("ReadApi", {
+  dependencies: [LocalSqlite.Default],
+  effect: Effect.gen(function*() {
+    const { query } = yield* LocalSqlite;
+
+    return {
+      getLastAddedEntry: () =>
+        query(_ => _.select().from(DiaryEntries).limit(1).orderBy(desc(DiaryEntries.dateCreated))).pipe(
+          singleResultOrFail(() => new ReadApiError({ cause: "Aucune entrée n'a encore été ajoutée." })),
+        ),
+    };
+  }),
+}) {}