Virtualization of contact selector & improved decoupling of contacts on PUT

packages/api/src/controllers/v1/Campaigns.ts

@@ -299,6 +299,13 @@ export class Campaigns {
 		});
 
 		const chunkSize = 500;
+
+		for (let i = 0; i < campaign.recipients.length; i += chunkSize) {
+			const chunk = campaign.recipients.slice(i, i + chunkSize);
+
+			await prisma.$executeRaw`DELETE FROM "_CampaignToContact" WHERE "A" = ${campaign.id} AND "B" = ANY(${chunk.map((c) => c.id)})`;
+		}
+
 		for (let i = 0; i < recipients.length; i += chunkSize) {
 			const chunk = recipients.slice(i, i + chunkSize);