Initial logic is implemented

internal/config/repository/repository.go

@@ -0,0 +1,64 @@
+package repository
+
+import (
+	"fmt"
+	"regexp"
+	"strings"
+)
+
+/*
+* Helm repo kinds: default/oci
+ */
+const (
+	HELM_REPO_OCI     = "oci"
+	HELM_REPO_DEFAULT = "default"
+)
+
+type Repository struct {
+	Name string
+	URL  string
+	Kind string `yaml:"-"`
+}
+
+type Repositories []*Repository
+
+// ValidateURL returns error if the repo URL doens't follow the format
+func (r *Repository) ValidateURL() error {
+	// An regex that should check if a string is a valid repo URL
+	const urlRegex = "^(http|https|oci):\\/\\/.*"
+
+	valid, err := regexp.MatchString(urlRegex, r.URL)
+	if err != nil {
+		return nil
+	}
+	if !valid {
+		return fmt.Errorf("it's not a valid repo URL: %s", r.URL)
+	}
+
+	return nil
+}
+
+// KindFromUrl sets Repository.Kind according to the prefix of an URL
+func (r *Repository) KindFromUrl() error {
+	// It panics if URL is not valid,
+	// but invalid url should not pass the ValidateURL function
+	prefix := r.URL[:strings.IndexByte(r.URL, ':')]
+	switch prefix {
+	case "oci":
+		r.Kind = HELM_REPO_OCI
+	case "https", "http":
+		r.Kind = HELM_REPO_DEFAULT
+	default:
+		return fmt.Errorf("unknown repo kind: %s", prefix)
+	}
+	return nil
+}
+
+func (rs Repositories) NameByUrl(repoURL string) (string, error) {
+	for _, r := range rs {
+		if repoURL == r.URL {
+			return r.Name, nil
+		}
+	}
+	return "", fmt.Errorf("repo couldn't be found in the config: %s", repoURL)
+}

internal/config/repository/repository_test.go

@@ -0,0 +1,107 @@
+package repository_test
+
+import (
+	"fmt"
+	"testing"
+
+	"git.badhouseplants.net/allanger/giops/internal/config/repository"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestValidateURLHttps(t *testing.T) {
+	repo := &repository.Repository{
+		Name: "test",
+		URL:  "https://test.test",
+	}
+	err := repo.ValidateURL()
+	assert.NoError(t, err, fmt.Sprintf("unexpected err occured: %s", err))
+}
+
+func TestValidateURLOci(t *testing.T) {
+	repo := &repository.Repository{
+		Name: "test",
+		URL:  "oci://test.test",
+	}
+	err := repo.ValidateURL()
+	assert.NoError(t, err, fmt.Sprintf("unexpected err occured: %s", err))
+}
+
+func TestValidateURLInvalid(t *testing.T) {
+	repo := &repository.Repository{
+		Name: "test",
+		URL:  "invalid://test.test",
+	}
+	err := repo.ValidateURL()
+	assert.ErrorContains(t, err,
+		"it's not a valid repo URL: invalid://test.test",
+		fmt.Sprintf("got unexpected err: %s", err),
+	)
+}
+
+func TestValidateURLNonURL(t *testing.T) {
+	repo := &repository.Repository{
+		Name: "test",
+		URL:  "test",
+	}
+	err := repo.ValidateURL()
+	assert.ErrorContains(t, err,
+		"it's not a valid repo URL: test",
+		fmt.Sprintf("got unexpected err: %s", err),
+	)
+
+}
+
+func TestKindFromUrlDefaultHttps(t *testing.T) {
+	repo := &repository.Repository{
+		Name: "test",
+		URL:  "https://test.test",
+	}
+	if err := repo.KindFromUrl(); err != nil {
+		t.Error(err)
+	}
+	assert.Equal(t, repo.Kind,
+		repository.HELM_REPO_DEFAULT,
+		fmt.Sprintf("got unexpected repo type: %s", repo.Kind),
+	)
+}
+
+func TestKindFromUrlDefaultHttp(t *testing.T) {
+	repo := &repository.Repository{
+		Name: "test",
+		URL:  "http://test.test",
+	}
+	if err := repo.KindFromUrl(); err != nil {
+		t.Error(err)
+	}
+	assert.Equal(t, repo.Kind,
+		repository.HELM_REPO_DEFAULT,
+		fmt.Sprintf("got unexpected repo type: %s", repo.Kind),
+	)
+}
+
+func TestKindFromUrlDefaultOci(t *testing.T) {
+	repo := &repository.Repository{
+		Name: "test",
+		URL:  "oci://test.test",
+	}
+	if err := repo.KindFromUrl(); err != nil {
+		t.Error(err)
+	}
+
+	assert.Equal(t, repo.Kind,
+		repository.HELM_REPO_OCI,
+		fmt.Sprintf("got unexpected repo type: %s", repo.Kind),
+	)
+}
+
+func TestKindFromUrlDefaultInvalid(t *testing.T) {
+	repo := &repository.Repository{
+		Name: "test",
+		URL:  "invalid:url",
+	}
+	err := repo.KindFromUrl()
+
+	assert.ErrorContains(t, err,
+		"unknown repo kind: invalid",
+		fmt.Sprintf("got unexpected err: %s", err))
+}