First Commit. Duplicate bunext-sqlite preset

src/functions/backend/db/check-allowed-joins.ts

@@ -0,0 +1,69 @@
+import type { BUN_SQLITE_BSQLITE_ALL_TYPEDEFS } from "@/db/types/db";
+import type { TableType } from "@/src/types";
+import uniqueStringArr from "@/src/utils/unique-string-arr";
+import type { ServerQueryParam } from "@moduletrace/bun-sqlite";
+import BunSQLite from "@moduletrace/bun-sqlite";
+import type { APIResponseObject } from "@moduletrace/bunext/types";
+import _ from "lodash";
+
+type Params = {
+    /**
+     * Allowed joins
+     */
+    joins: TableType[];
+    query: ServerQueryParam<any>;
+    /**
+     * Allowed fields from joins
+     */
+    include_fields?: (keyof BUN_SQLITE_BSQLITE_ALL_TYPEDEFS)[];
+    /**
+     * Fields to exclude from joins
+     */
+    exclude_fields?: (keyof BUN_SQLITE_BSQLITE_ALL_TYPEDEFS)[];
+};
+
+export default function checkAllowedJoins({
+    joins,
+    query,
+    include_fields,
+    exclude_fields,
+}: Params): APIResponseObject {
+    const all_joins = BunSQLite.utils.grab_join_fields_from_query_object({
+        query,
+    });
+
+    const all_joins_str_arr = uniqueStringArr(
+        all_joins
+            .filter((j) => Boolean(j.table))
+            .map((j) => j.table) as string[],
+    );
+
+    const are_joins_allowed =
+        _.intersection(joins, all_joins_str_arr).length >=
+        all_joins_str_arr.length;
+
+    if (!are_joins_allowed) {
+        return {
+            success: false,
+            msg: `Can't Join all tables: \`${all_joins_str_arr.join(", ")}\`. Tables allowed are \`${joins.join(", ")}\``,
+        };
+    }
+
+    if (include_fields?.[0]) {
+        for (let i = 0; i < all_joins.length; i++) {
+            const join = all_joins[i];
+            if (!join) continue;
+            const join_field = join.field as keyof BUN_SQLITE_BSQLITE_ALL_TYPEDEFS;
+            if (!include_fields.includes(join_field)) {
+                return {
+                    success: false,
+                    msg: `Can't Join field: \`${join_field}\` in \`${join.table}\` table`,
+                };
+            }
+        }
+    }
+
+    return {
+        success: true,
+    };
+}