Merged API and Databank into Main branch

database/helpers/utils/core_utils.ts

@@ -0,0 +1,46 @@
+/// <reference lib="deno.ns" />
+/**
+ * @author Esad Mustafoski
+ * @description Core Utility for querying the Database and inserting Sample Data
+ * @file core_utils.ts
+ */
+
+// +++ IMPORTS ------------------------------------------------------ //
+import { DB, Row } from "https://deno.land/x/sqlite@v3.9.1/mod.ts";
+import * as db_create from "../../create_db.ts";
+
+// +++ Helper ------------------------------------------------------ //
+// "T" is a generic type, it can be anything and makes the function "flexible"(?)
+async function queryDatabase<T>(
+  db: DB,
+  query: string,
+  params: any[],
+  mapRow: (row: Row) => T,
+): Promise<T[]> {
+  const results: T[] = [];
+  try {
+    const rows = await db.query(query, params);
+    for (const row of rows) {
+      results.push(mapRow(row));
+    }
+  } catch (error) {
+    console.error("Database query error:", error);
+  }
+  return results;
+}
+
+// +++ FUNCTIONS --------------------------------------------------- //
+
+/**
+ * See:
+ * @file ./create_db.ts
+ */
+function insertSamples(): void {
+  db_create.insertSampleData();
+}
+
+function createDatabaseIfNotExist(): void {
+  db_create.createDatabase();
+}
+
+export { queryDatabase, insertSamples, createDatabaseIfNotExist };