add many-to-many inserting and updating

Author: schultek

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Unreleased
 
 - Added support for default column values via the `@Default` annotation.
+- Added support for creating and updating many-to-many relations through the normal `insert` and `update` methods.
 
 # 0.17.0
 

example/lib/main.dart

@@ -6,6 +6,7 @@ import 'models/account.dart';
 import 'models/address.dart';
 import 'models/company.dart';
 import 'models/latlng.dart';
+import 'models/party.dart';
 
 Future<void> main() async {
   var db = Database(
@@ -21,7 +22,6 @@ Future<void> main() async {
   await migrate(db);
 
   await db.companies.deleteOne('abc');
-
   await db.companies.insertOne(CompanyInsertRequest(id: 'abc', name: 'Minga', addresses: []));
 
   await db.accounts.deleteMany([0, 1, 2]);
@@ -42,11 +42,19 @@ Future<void> main() async {
   );
 
   var account = await db.accounts.queryUserView(accountId);
+  print((account!.id, account.parties));
 
-  print(account!.id);
+  await db.parties.deleteOne('party1');
+  await db.parties.insertOne(PartyInsertRequest(id: 'party1', name: 'Party 1', date: 1));
 
-  var company = await db.companies.queryFullView('abc');
+  await db.accounts.updateOne(
+    AccountUpdateRequest(id: accountId, parties: UpdateValues.add(['party1'])),
+  );
 
+  account = await db.accounts.queryUserView(accountId);
+  print((account!.id, account.parties));
+
+  var company = await db.companies.queryFullView('abc');
   print(company!.id);
 
   await db.close();