added static files server

.gitignore

@@ -0,0 +1 @@
+/internal/static

internal/debug.go

@@ -0,0 +1,9 @@
+//go:build !prod
+// +build !prod
+
+package s3browser
+
+// Since we dont have the static directory when developing we replace the function with an empty one
+func initStatic() {
+	// NOOP
+}

internal/graphqlTypes.go

@@ -3,7 +3,6 @@ package s3browser
 import (
 	"fmt"
 	"path/filepath"
-	"strings"
 	"time"
 
 	"github.com/graph-gophers/dataloader"
@@ -160,7 +159,7 @@ func graphqlTypes() {
 
 			loader := p.Context.Value("loader").(map[string]*dataloader.Loader)
 
-			thunk := loader["getFiles"].Load(p.Context, dataloader.StringKey(source.ID))
+			thunk := loader["getFiles"].Load(p.Context, dataloader.StringKey(nomalizeID(source.ID)))
 			return thunk()
 		},
 	})
@@ -174,7 +173,7 @@ func graphqlTypes() {
 			}
 
 			loader := p.Context.Value("loader").(map[string]*dataloader.Loader)
-			thunk := loader["getDirs"].Load(p.Context, dataloader.StringKey(source.ID))
+			thunk := loader["getDirs"].Load(p.Context, dataloader.StringKey(nomalizeID(source.ID)))
 
 			return thunk()
 		},
@@ -188,10 +187,8 @@ func graphqlTypes() {
 				return nil, fmt.Errorf("Failed to parse Source for directories resolve")
 			}
 
-			dirs := strings.Split(source.ID, "/")
-
 			return Directory{
-				ID: strings.Join(dirs[:len(dirs)-2], "/") + "/",
+				ID: getParentDir(source.ID),
 			}, nil
 		},
 	})
@@ -206,7 +203,7 @@ func loadFile(p graphql.ResolveParams) (*File, error) {
 
 	loader := p.Context.Value("loader").(map[string]*dataloader.Loader)
 
-	thunk := loader["getFile"].Load(p.Context, dataloader.StringKey(source.ID))
+	thunk := loader["getFile"].Load(p.Context, dataloader.StringKey(nomalizeID(source.ID)))
 	result, err := thunk()
 
 	if err != nil {

internal/helper.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"path/filepath"
+	"strings"
 
 	"github.com/graph-gophers/dataloader"
 	"github.com/minio/minio-go/v7"
@@ -18,13 +19,12 @@ func invalidateCache(ctx context.Context, id string) error {
 
 	log.Debug("Invalidate cache for id: ", id)
 
+	path := getPathFromId(id)
+
 	loader["getFile"].Clear(ctx, dataloader.StringKey(id))
-	loader["getFiles"].Clear(ctx, dataloader.StringKey(getPathFromId(id)))
-
-	// FIXME: this is the only way i can invalidate the cache without it breaking stuff
-	// loader["listObjects"].Clear(ctx, dataloader.StringKey(id))
-	loader["listObjects"].ClearAll()
-
+	loader["getFiles"].Clear(ctx, dataloader.StringKey(path))
+	loader["listObjects"].Clear(ctx, dataloader.StringKey(path))
+	loader["listObjectsRecursive"].Clear(ctx, dataloader.StringKey(path))
 	return nil
 }
 
@@ -35,7 +35,7 @@ func getPathFromId(id string) string {
 		return "/"
 	}
 
-	return dir + "/"
+	return nomalizeID(dir + "/")
 }
 
 func getFilenameFromID(id string) string {
@@ -50,11 +50,17 @@ func invalidateCacheForDir(ctx context.Context, path string) error {
 
 	log.Debug("Invalidate cache for dir: ", path)
 
-	// FIXME: only clear required ids
-	loader["getFile"].ClearAll()
-	loader["listObjects"].ClearAll()
-	loader["getFiles"].ClearAll()
-	loader["getDirs"].ClearAll()
+	parent := getParentDir(path)
+
+	log.Debug("Cache clear dir: ", path, " parent: ", parent)
+
+	loader["getFile"].Clear(ctx, dataloader.StringKey(path))
+	loader["listObjects"].Clear(ctx, dataloader.StringKey(path))
+	loader["listObjectsRecursive"].Clear(ctx, dataloader.StringKey(path))
+	loader["getFiles"].Clear(ctx, dataloader.StringKey(path))
+	loader["getDirs"].Clear(ctx, dataloader.StringKey(parent))
+	loader["listObjects"].Clear(ctx, dataloader.StringKey(parent))
+	loader["listObjectsRecursive"].Clear(ctx, dataloader.StringKey(parent))
 
 	return nil
 }
@@ -77,3 +83,28 @@ func deleteMultiple(ctx context.Context, s3Client minio.Client, ids []minio.Obje
 
 	return nil
 }
+
+// nomalizeID makes sure there is a leading "/" in the id
+func nomalizeID(id string) string {
+	if !strings.HasPrefix(id, "/") {
+		if id == "." {
+			return "/"
+		}
+		id = "/" + id
+	}
+
+	return id
+}
+
+func getParentDir(id string) string {
+	dirs := strings.Split(id, "/")
+
+	cut := 1
+	if strings.HasSuffix(id, "/") {
+		cut = 2
+	}
+
+	parent := strings.Join(dirs[:len(dirs)-cut], "/") + "/"
+
+	return nomalizeID(parent)
+}

internal/httpServer.go

@@ -50,6 +50,9 @@ func initHttp(resolveContext context.Context, schema graphql.Schema) error {
 		}
 	})
 
+	// Init the embedded static files
+	initStatic()
+
 	return http.ListenAndServe(":8080", nil)
 }
 

internal/mutations.go

@@ -25,7 +25,7 @@ func deleteMutation(ctx context.Context, id string) error {
 	}
 
 	// Invalidate cache
-	return invalidateCache(ctx, id)
+	return invalidateCache(ctx, nomalizeID(id))
 }
 
 func copyMutation(ctx context.Context, src, dest string) (*File, error) {
@@ -56,7 +56,7 @@ func copyMutation(ctx context.Context, src, dest string) (*File, error) {
 
 	// Invalidate cache
 	// TODO: check error
-	invalidateCache(ctx, info.Key)
+	invalidateCache(ctx, nomalizeID(info.Key))
 
 	return &File{
 		ID: info.Key,
@@ -97,7 +97,7 @@ func moveMutation(ctx context.Context, src, dest string) (*File, error) {
 		return nil, err
 	}
 
-	invalidateCache(ctx, info.Key)
+	invalidateCache(ctx, nomalizeID(info.Key))
 
 	return &File{
 		ID: info.Key,
@@ -126,7 +126,7 @@ func createDirectory(ctx context.Context, path string) (*Directory, error) {
 
 	// Invalidate cache
 	// TODO: check error
-	invalidateCacheForDir(ctx, info.Key)
+	invalidateCacheForDir(ctx, nomalizeID(info.Key))
 
 	return &Directory{
 		ID: info.Key,
@@ -152,7 +152,7 @@ func deleteDirectory(ctx context.Context, path string) error {
 	}
 
 	// Get all files inside the directory
-	thunk := loader["listObjectsRecursive"].Load(ctx, dataloader.StringKey(path))
+	thunk := loader["listObjectsRecursive"].Load(ctx, dataloader.StringKey(nomalizeID(path)))
 
 	result, err := thunk()
 
@@ -185,7 +185,7 @@ func deleteDirectory(ctx context.Context, path string) error {
 	}
 
 	//Invalidate cache
-	invalidateCacheForDir(ctx, path)
+	invalidateCacheForDir(ctx, nomalizeID(path))
 
 	return nil
 }

internal/staticFiles.go

@@ -0,0 +1,32 @@
+//go:build prod
+// +build prod
+
+package s3browser
+
+import (
+	"embed"
+	"io/fs"
+	"net/http"
+	"os"
+)
+
+// content holds our static web server content.
+//go:embed static
+var staticFiles embed.FS
+
+type spaFileSystem struct {
+	root http.FileSystem
+}
+
+func (spa *spaFileSystem) Open(name string) (http.File, error) {
+	f, err := spa.root.Open(name)
+	if os.IsNotExist(err) {
+		return spa.root.Open("index.html")
+	}
+	return f, err
+}
+
+func initStatic() {
+	staticFS, _ := fs.Sub(staticFiles, "static")
+	http.Handle("/", http.FileServer(&spaFileSystem{http.FS(staticFS)}))
+}