wip: gallery refactoring

core/gallery/btree.go

@@ -0,0 +1,91 @@
+package gallery
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/google/btree"
+	"gopkg.in/yaml.v3"
+)
+
+type Gallery[T GalleryElement] struct {
+	*btree.BTreeG[T]
+}
+
+func less[T GalleryElement](a, b T) bool {
+	return a.GetName() < b.GetName()
+}
+
+func (g *Gallery[T]) Search(term string) GalleryElements[T] {
+	var filteredModels GalleryElements[T]
+	g.Ascend(func(item T) bool {
+		if strings.Contains(item.GetName(), term) ||
+			strings.Contains(item.GetDescription(), term) ||
+			strings.Contains(item.GetGallery().Name, term) ||
+			strings.Contains(strings.Join(item.GetTags(), ","), term) {
+			filteredModels = append(filteredModels, item)
+		}
+		return true
+	})
+
+	return filteredModels
+}
+
+// processYAMLFile takes a single file path and adds its models to the existing tree.
+func processYAMLFile[T GalleryElement](filePath string, tree *Gallery[T]) error {
+	file, err := os.Open(filePath)
+	if err != nil {
+		return fmt.Errorf("could not open %s: %w", filePath, err)
+	}
+	defer file.Close()
+
+	decoder := yaml.NewDecoder(file)
+
+	// Stream documents from the file
+	for {
+		var model T
+		err := decoder.Decode(&model)
+		if err == io.EOF {
+			break // End of file
+		}
+		if err != nil {
+			return fmt.Errorf("error decoding %s: %w", filePath, err)
+		}
+
+		tree.ReplaceOrInsert(model)
+	}
+	return nil
+}
+
+// loadModelsFromDirectory scans a directory and processes all .yaml/.yml files.
+func LoadGalleryFromDirectory[T GalleryElement](dirPath string) (*Gallery[T], error) {
+	tree := &Gallery[T]{btree.NewG[T](2, less[T])}
+
+	entries, err := os.ReadDir(dirPath)
+	if err != nil {
+		return nil, fmt.Errorf("could not read directory: %w", err)
+	}
+
+	for _, entry := range entries {
+		// Skip subdirectories and non-YAML files.
+		if entry.IsDir() {
+			continue
+		}
+		fileName := entry.Name()
+		if !strings.HasSuffix(fileName, ".yaml") && !strings.HasSuffix(fileName, ".yml") {
+			continue
+		}
+
+		fullPath := filepath.Join(dirPath, fileName)
+
+		err := processYAMLFile(fullPath, tree)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return tree, nil
+}