Fully implement local and container MRVA

pkg/qldbstore/qldbstore_local.go

@@ -0,0 +1,66 @@
+package qldbstore
+
+import (
+	"fmt"
+	"mrvacommander/pkg/common"
+	"os"
+	"path/filepath"
+)
+
+type FilesystemCodeQLDatabaseStore struct {
+	basePath string
+}
+
+func NewLocalFilesystemCodeQLDatabaseStore(basePath string) *FilesystemCodeQLDatabaseStore {
+	return &FilesystemCodeQLDatabaseStore{
+		basePath: basePath,
+	}
+}
+
+func (store *FilesystemCodeQLDatabaseStore) FindAvailableDBs(analysisReposRequested []common.NameWithOwner) (
+	notFoundRepos []common.NameWithOwner,
+	foundRepos *map[common.NameWithOwner]CodeQLDatabaseLocation) {
+
+	foundReposMap := make(map[common.NameWithOwner]CodeQLDatabaseLocation)
+	for _, repo := range analysisReposRequested {
+		location, err := store.GetDatabaseLocationByNWO(repo)
+		if err != nil {
+			notFoundRepos = append(notFoundRepos, repo)
+		} else {
+			foundReposMap[repo] = location
+		}
+	}
+
+	return notFoundRepos, &foundReposMap
+}
+
+func (store *FilesystemCodeQLDatabaseStore) GetDatabase(location CodeQLDatabaseLocation) ([]byte, error) {
+	path, exists := location.data["path"]
+	if !exists {
+		return nil, fmt.Errorf("path not specified in location")
+	}
+
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil, err
+	}
+
+	return data, nil
+}
+
+func (store *FilesystemCodeQLDatabaseStore) GetDatabaseLocationByNWO(nwo common.NameWithOwner) (CodeQLDatabaseLocation, error) {
+	filePath := filepath.Join(store.basePath, fmt.Sprintf("%s/%s/%s_%s_db.zip", nwo.Owner, nwo.Repo, nwo.Owner, nwo.Repo))
+
+	// Check if the file exists
+	if _, err := os.Stat(filePath); os.IsNotExist(err) {
+		return CodeQLDatabaseLocation{}, fmt.Errorf("database not found for %s", nwo)
+	}
+
+	location := CodeQLDatabaseLocation{
+		data: map[string]string{
+			"path": filePath,
+		},
+	}
+
+	return location, nil
+}