Implement archiving transactions

Refine info messages

db/crud/bot_transaction.go

@@ -1,12 +1,16 @@
 package crud
 
+import "log"
+
 func (r *Repo) RecordTransaction(chatId int64, tx string) error {
-	_, err := r.db.Exec(`INSERT INTO "bot::transaction" ("tgChatId", "value")
+	_, err := r.db.Exec(`
+		INSERT INTO "bot::transaction" ("tgChatId", "value")
 		VALUES ($1, $2);`, chatId, tx)
 	return err
 }
 
 func (r *Repo) GetTransactions(chatId int64) (string, error) {
+	log.Printf("Getting transactions for %d", chatId)
 	rows, err := r.db.Query(`
 		SELECT "value" FROM "bot::transaction"
 		WHERE "archived" = FALSE AND "tgChatId" = $1
@@ -29,3 +33,12 @@ func (r *Repo) GetTransactions(chatId int64) (string, error) {
 	}
 	return allTransactionsMessage, nil
 }
+
+func (r *Repo) ArchiveTransactions(chatId int64) error {
+	log.Printf("Archiving transactions for %d", chatId)
+	_, err := r.db.Exec(`
+		UPDATE "bot::transaction"
+		SET "archived" = TRUE
+		WHERE "tgChatId" = $1`, chatId)
+	return err
+}

main.go

@@ -157,13 +157,23 @@ func commandClear(b *tb.Bot, m *tb.Message) {
 }
 
 func commandArchiveTransactions(b *tb.Bot, m *tb.Message) {
-	b.Send(m.Sender, "TODO: NOT IMPLEMENTED YET")
+	err := CRUD_REPO.ArchiveTransactions(m.Chat.ID)
+	if err != nil {
+		b.Send(m.Sender, "Something went wrong archiving your transactions: "+err.Error())
+		return
+	}
+	b.Send(m.Sender, "Archived all transactions. Your /list is empty again.")
 }
 
 func commandList(b *tb.Bot, m *tb.Message) {
 	tx, err := CRUD_REPO.GetTransactions(m.Chat.ID)
 	if err != nil {
-		b.Send(m.Sender, "Something went wrong retrieving the transactions list: "+err.Error())
+		b.Send(m.Sender, "Something went wrong retrieving your transactions: "+err.Error())
+		return
+	}
+	if tx == "" {
+		b.Send(m.Sender, "Your transaction list is already empty. Create some first. Check /simple or /help for commands.")
+		return
 	}
 	b.Send(m.Sender, tx)
 }