Add parsing infrastructure for prisma schema

src/assets/helper.ts

@@ -0,0 +1,59 @@
+// @ts-nocheck
+import { formatAst, parsePrismaSchema } from '@loancrate/prisma-schema-parser';
+import * as fs from 'fs';
+import { log } from '../index.js';
+
+/**
+ * A helper function which returns every models' required, optional and relation fields
+ *
+ * @returns {{}} An object containing every model and their required, optional and relation fields
+ */
+function returnAllModelFieldData() {
+	const ast = parsePrismaSchema(fs.readFileSync('./prisma/schema.prisma', { encoding: 'utf8' }));
+	const modelData: Record<string, object> = {};
+
+	Object.keys(ast.declarations).forEach((key) => {
+		if (ast.declarations[key].kind === 'model') {
+			log.helper.debug('Found model: ', ast.declarations[key].name.value);
+
+			Object.keys(ast.declarations[key].members).forEach((key2) => {
+				if (ast.declarations[key].members[key2].kind === 'field') {
+					const currentField = ast.declarations[key].members[key2];
+					switch (currentField.type.kind) {
+						case 'optional':
+							log.helper.debug('Found optional field:', currentField.name.value);
+							modelData[ast.declarations[key].name.value].optional.push(currentField.name.value);
+							break;
+						case 'typeId':
+							// Required fields are not always required for our purposes, fields with a default value are not required
+							let isRequired = true;
+							if (currentField.attributes.length > 0) {
+								Object.keys(currentField.attributes).forEach((key3) => {
+									if (currentField.attributes[key3].path != {}) {
+										if (currentField.attributes[key3].path.value == 'default') {
+											const defValue = currentField.attributes[key3].args[0].value;
+											log.helper.debug('Found default field:', currentField.name.value, 'with value: ', defValue);
+											modelData[ast.declarations[key].name.value].optional.push(currentField.name.value);
+											isRequired = false;
+										}
+									}
+								});
+							}
+							if (isRequired) {
+								modelData[ast.declarations[key].name.value].required.push(currentField.name.value);
+								log.helper.debug('Found required field: ', currentField.name.value);
+							}
+							break;
+						case 'list':
+							log.helper.debug('Found relation/list field:', currentField.name.value);
+							modelData[ast.declarations[key].name.value].relation.push(currentField.name.value);
+							break;
+						default:
+							log.helper.error('Unable to determine field type:', currentField.name.value, currentField.type.kind);
+					}
+				}
+			});
+		}
+	});
+	return modelData;
+}