From c512f71b2085552b3d7258f96b54012eff7c7c2e Mon Sep 17 00:00:00 2001
From: David Avila <8167941+davilag@users.noreply.github.com>
Date: Thu, 2 Apr 2026 11:17:23 +0100
Subject: [PATCH 1/2] Return not found errors

---
 internal/repository/memory.go | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/internal/repository/memory.go b/internal/repository/memory.go
index 69c4cdf..096c00d 100644
--- a/internal/repository/memory.go
+++ b/internal/repository/memory.go
@@ -4,10 +4,13 @@ import (
 	"fmt"
 	"sync"
 	"time"
+	"errors"
 
 	"github.com/wise/backend-interview-kit/internal/model"
 )
 
+var ErrNotFound = errors.New("item not found")
+
 type memoryRepository struct {
 	mu      sync.RWMutex
 	jobs    map[string]*model.Job
@@ -134,7 +137,7 @@ func (r *memoryRepository) GetJob(id string) (*model.Job, error) {
 
 	job, ok := r.jobs[id]
 	if !ok {
-		return nil, nil
+		return nil, ErrNotFound
 	}
 	return job, nil
 }
@@ -175,7 +178,7 @@ func (r *memoryRepository) GetDriver(id string) (*model.Driver, error) {
 
 	driver, ok := r.drivers[id]
 	if !ok {
-		return nil, nil
+		return nil, ErrNotFound
 	}
 	return driver, nil
 }
@@ -197,7 +200,7 @@ func (r *memoryRepository) GetDepot(id string) (*model.Depot, error) {
 
 	depot, ok := r.depots[id]
 	if !ok {
-		return nil, nil
+		return nil, ErrNotFound
 	}
 	return depot, nil
 }

From b7cffe4c562f22c9e0d76ec8d08232f74176b846 Mon Sep 17 00:00:00 2001
From: David Avila <8167941+davilag@users.noreply.github.com>
Date: Thu, 2 Apr 2026 13:05:52 +0100
Subject: [PATCH 2/2] Reordering errors

---
 internal/repository/memory.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/repository/memory.go b/internal/repository/memory.go
index 096c00d..f47c7a6 100644
--- a/internal/repository/memory.go
+++ b/internal/repository/memory.go
@@ -1,10 +1,10 @@
 package repository
 
 import (
+	"errors"
 	"fmt"
 	"sync"
 	"time"
-	"errors"
 
 	"github.com/wise/backend-interview-kit/internal/model"
 )