Merge pull request Yedidyar#6 from Yedidyar/4-implement-foreign-keys-…

…such-as-it-will-be-robust

feat: add getForeignKeys & extract commands & add types

source/DbTable.ts

@@ -0,0 +1,33 @@
+import { ForeignKey } from "./postgres/commands.js";
+import { toCamelCase, toPascalCase } from "./utils/case.js";
+
+export class DbTable {
+	schema: string;
+	dbName: string;
+	key: string;
+	className: string;
+	foreignKeys: {
+		columnName: string;
+		foreignClassName: string;
+	}[];
+
+	constructor(dbName: string, schema: string, foreignKeys: ForeignKey[]) {
+		this.schema = schema;
+		this.dbName = dbName;
+
+		this.foreignKeys = foreignKeys.map(
+			({ foreign_table_name, column_name: columnName }) => ({
+				columnName,
+				foreignClassName: toPascalCase(foreign_table_name),
+			})
+		);
+		this.className = toPascalCase(dbName);
+
+		this.key = toCamelCase(this.className) + "s";
+
+		// TODO: kinda hacky provide a custom mapping?
+		if (this.key.endsWith("ys")) {
+			this.key = this.key.slice(0, -2) + "ies";
+		}
+	}
+}