👔 Created server use case module implementation

internal/server/usecase/server_ucase.go

@@ -0,0 +1,66 @@
+package usecase
+
+import (
+	"context"
+
+	"source.toby3d.me/toby3d/home/internal/domain"
+	"source.toby3d.me/toby3d/home/internal/server"
+)
+
+type serverUseCase struct{}
+
+func NewServerUseCase() server.UseCase {
+	return serverUseCase{}
+}
+
+func (serverUseCase) Do(ctx context.Context, site domain.Site) (*domain.Server, error) {
+	if site.Params == nil {
+		return nil, server.ErrParams
+	}
+
+	serverMap, ok := site.Params["server"].(map[string]any)
+	if !ok {
+		return nil, server.ErrServer
+	}
+
+	serverHeaderValues, ok := serverMap["header"].([]any)
+	if !ok {
+		return nil, server.ErrServerHeader
+	}
+
+	out := domain.NewServer()
+
+	for i := range serverHeaderValues {
+		headerMap, ok := serverHeaderValues[i].(map[string]any)
+		if !ok {
+			continue
+		}
+
+		header := domain.Header{
+			Headers: make(map[string]string),
+			Path:    "",
+		}
+
+		if header.Path, ok = headerMap["path"].(string); !ok {
+			continue
+		}
+
+		headers, ok := headerMap["headers"].(map[string]any)
+		if !ok {
+			continue
+		}
+
+		for name, value := range headers {
+			v, ok := value.(string)
+			if !ok {
+				continue
+			}
+
+			header.Headers[name] = v
+		}
+
+		out.Headers = append(out.Headers, header)
+	}
+
+	return out, nil
+}

internal/server/usecase/server_ucase_test.go

@@ -0,0 +1,41 @@
+package usecase_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+
+	"source.toby3d.me/toby3d/home/internal/domain"
+	"source.toby3d.me/toby3d/home/internal/server/usecase"
+)
+
+func TestDo(t *testing.T) {
+	t.Parallel()
+
+	site := domain.TestSite(t)
+
+	actual, err := usecase.NewServerUseCase().Do(context.Background(), *site)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	expect := &domain.Server{
+		Headers: []domain.Header{{
+			Path: "/**",
+			Headers: map[string]string{
+				"Link": `<https://auth.example.com/>; rel="indieauth-metadata", ` +
+					`<https://pub.example.com/>; rel="micropub"`,
+			},
+		}, {
+			Path: "/foo/bar",
+			Headers: map[string]string{
+				"X-Testing": `sample-text`,
+			},
+		}},
+		Redirects: make([]domain.Redirect, 0),
+	}
+	if diff := cmp.Diff(actual, expect); diff != "" {
+		t.Error(diff)
+	}
+}