listing: implement a service layer stub along with tests

1 files changed, 89 insertions, 0 deletions

diff --git a/internal/listing/mock_test.go b/internal/listing/mock_test.go
new file mode 100644
index 0000000..5aa6d68
--- /dev/null
+++ b/internal/listing/mock_test.go
@@ -0,0 +1,89 @@
+package listing
+
+import "time"
+
+type RepositoryMock struct {
+	listings []Listing
+	err      error
+}
+
+func (r *RepositoryMock) GetAll() ([]Listing, error) {
+	if r.err != nil {
+		return nil, r.err
+	}
+
+	return r.listings, nil
+}
+
+func (r *RepositoryMock) GetByCategory(c string) ([]Listing, error) {
+	if r.err != nil {
+		return nil, r.err
+	}
+
+	var res []Listing
+	for _, l := range r.listings {
+		for _, cat := range l.category {
+			if cat == c {
+				res = append(res, l)
+				break
+			}
+		}
+	}
+
+	return res, nil
+}
+
+func NewRepositoryMock() *RepositoryMock {
+	mockListings := []Listing{
+		{
+			id:          0,
+			title:       "Audi a5 2.0 2015 godiste",
+			slug:        "audi-a5-2-0-2015-godiste",
+			location:    Location{city: "Novi Sad", street: "Bulevar Cara Lazara", premise: "3"},
+			status:      PublishedStatus,
+			category:    []string{"automobile", "audi", "a5"},
+			price:       5000,
+			currency:    "EUR",
+			description: "Pali odma ide lepo",
+			images:      []string{},
+			views:       10,
+			createdAt:   time.Now(),
+			author:      nil,
+			isExternal:  false,
+		},
+		{
+			id:          1,
+			title:       "Led lampa za glavu TJ-1608",
+			slug:        "led-lampa-za-glavu-tj-1608",
+			location:    Location{city: "Belgrade"},
+			status:      PublishedStatus,
+			category:    []string{"hunting", "hunting-lamps"},
+			price:       1200,
+			currency:    "RSD",
+			description: "Odlična lampa, svetli super",
+			images:      []string{},
+			views:       21,
+			createdAt:   time.Now(),
+			author:      nil,
+			isExternal:  false,
+		},
+		{
+			id:          2,
+			title:       "Školski anatomski ranac Minnie Mouse metalik",
+			slug:        "skolski-anatomski-ranac-minnie-mouse-metalik",
+			location:    Location{city: "Mladenovac"},
+			status:      PublishedStatus,
+			category:    []string{"school", "backpacks"},
+			price:       3400,
+			currency:    "RSD",
+			description: "Minnie ranac mnogo lep za devojčice",
+			images:      []string{},
+			views:       131,
+			createdAt:   time.Now(),
+			author:      nil,
+			isExternal:  false,
+		},
+	}
+
+	return &RepositoryMock{listings: mockListings}
+}