get table definition

src/helpers/dynamicQueryBuilder.ts

@@ -0,0 +1,34 @@
+import { dataSource } from "../data-source";
+import { DynamicQueryStructure } from "../type/dynamicQueries";
+
+export default abstract class DynamicQueryBuilder {
+  public static buildQuery(query: DynamicQueryStructure) {}
+
+  // use switch... for compare functions
+  // use NotBrackets/Brackets for nested conditions
+  // use joins by requesting table schema and setting correct column
+
+  public static getTableMeta(tableName: string) {
+    let { name, columns, relations } = dataSource.getMetadata(tableName);
+
+    const uniqueColumns = columns.map((c) => ({ column: c.propertyName, type: c.type }));
+
+    return {
+      tableName: name,
+      columns: [
+        ...uniqueColumns,
+        ...relations
+          .filter((r) => !uniqueColumns.some((c) => r.propertyName == c.column))
+          .map((r) => ({
+            column: r.propertyName,
+            type: r.inverseEntityMetadata?.columns.find((col) => col.propertyName === r.inverseSidePropertyPath)?.type,
+          })),
+      ],
+      relations: relations.map((r) => ({
+        column: r.propertyName,
+        relationType: r.relationType,
+        referencedTableName: r.inverseEntityMetadata?.tableName,
+      })),
+    };
+  }
+}