feat: add hourly portfolio sync history

src/modules/investments/tbank-connection/tbank-connection.service.ts

@@ -35,11 +35,22 @@ export class TbankConnectionService {
       this.tbank.validateToken(token),
     );
     const encryptedToken = this.tokens.encrypt(token);
+    const confirmed = supportedTbankAccounts(accounts).map(({ id }) => id);
     const connection = await this.prisma.$transaction(async (tx) => {
       // Cascade old private data and attempts in the same transaction that
       // publishes the validated membership and the new connection revision.
       await tx.tbankConnection.deleteMany({ where: { userId } });
       const now = new Date();
+      // Value history survives token replacement but is visible only for
+      // accounts confirmed by the new token.
+      await tx.tbankPortfolioValueHistory.updateMany({
+        where: { userId, accountId: { in: confirmed } },
+        data: { deletedAt: null },
+      });
+      await tx.tbankPortfolioValueHistory.updateMany({
+        where: { userId, accountId: { notIn: confirmed }, deletedAt: null },
+        data: { deletedAt: now },
+      });
       return tx.tbankConnection.create({
         data: {
           userId,
@@ -66,6 +77,14 @@ export class TbankConnectionService {
   }
 
   async delete(userId: string): Promise<void> {
-    await this.prisma.tbankConnection.deleteMany({ where: { userId } });
+    await this.prisma.$transaction(async (tx) => {
+      await tx.tbankConnection.deleteMany({ where: { userId } });
+      // History stays stored but hidden until a new connection reconfirms
+      // the same account.
+      await tx.tbankPortfolioValueHistory.updateMany({
+        where: { userId, deletedAt: null },
+        data: { deletedAt: new Date() },
+      });
+    });
   }
 }