From 6f11963d8c41be7176bd48bd192c526cb7c189a5 Mon Sep 17 00:00:00 2001
From: uvok cheetah
Date: Sat, 9 Dec 2023 17:57:32 +0000
Subject: Implement confirm function

---
 persistence/sqlite/sqliteRepository.go | 54 ++++++++++++++++++++++++++++++++--
 1 file changed, 52 insertions(+), 2 deletions(-)

diff --git a/persistence/sqlite/sqliteRepository.go b/persistence/sqlite/sqliteRepository.go
index 7b66c80..0ae7132 100644
--- a/persistence/sqlite/sqliteRepository.go
+++ b/persistence/sqlite/sqliteRepository.go
@@ -3,6 +3,7 @@ package sqlite
 import (
 	"context"
 	"database/sql"
+	"fmt"
 	"log"
 	"os"
 
@@ -85,8 +86,57 @@ func (repo *sqliteRepository) GetUnconfirmedRegistrations() ([]*registration.Reg
 }
 
 func (repo *sqliteRepository) ConfirmRegistration(registrationId string) (*registration.Registration, error) {
-	repo.checkInit()
-	panic("not implemented") // TODO: Implement
+	db, err := repo.checkInit()
+
+	if err != nil {
+		return nil, err
+	}
+	defer db.Close()
+
+	transaction, err := db.BeginTx(repo.context, nil)
+	if err != nil {
+		return nil, err
+	}
+	defer transaction.Rollback()
+
+	updateRes, err := transaction.Exec(
+		"UPDATE registrations SET confirmed=1 WHERE reg_id=? AND confirmed=0",
+		registrationId)
+
+	if err != nil {
+		return nil, err
+	}
+	count, err := updateRes.RowsAffected()
+	switch {
+	case err != nil:
+		return nil, err
+	case count == 0:
+		return nil, sql.ErrNoRows
+	case count > 1:
+		newError := fmt.Errorf("more than one result for registration ID %v", registrationId)
+		return nil, newError
+	}
+	transaction.Commit()
+
+	queryRes := db.QueryRowContext(
+		repo.context,
+		`SELECT reg_id, first_name, last_name, email, company, training_code, date, privacy_policy_accepted
+		FROM registrations
+		WHERE reg_id=?
+		`,
+		registrationId)
+
+	reg, err := rowToRegistration(queryRes)
+	// Not included in result set
+	reg.Confirmed = true
+	switch {
+	// case err == sql.ErrNoRows:
+	// 	return nil, err
+	case err != nil:
+		return nil, err
+	default:
+		return reg, nil
+	}
 }
 
 func (repo *sqliteRepository) checkInit() (*sql.DB, error) {
-- 
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