add zip and parity stuff

db/db.go

@@ -17,6 +17,9 @@ type DB interface {
 	Migrate() error
 	StoreFile(fileMetadata types.FileMetadata) error
 	RemoveFile(fileMetadata types.FileMetadata) error
+	GetTotalSize() (int64, error)
+	GetFileCount() (int64, error)
+	GetFiles() ([]types.FileMetadata, error)
 }
 
 type store struct {
@@ -90,6 +93,45 @@ func (d *store) RemoveFile(fileMetadata types.FileMetadata) error {
 	return nil
 }
 
+func (d *store) GetTotalSize() (int64, error) {
+	var size int64
+	query := `SELECT SUM(size) FROM files`
+	err := d.db.QueryRow(query).Scan(&size)
+	if err != nil {
+		return 0, fmt.Errorf("error getting size | %w", err)
+	}
+	return size, nil
+}
+
+func (d *store) GetFileCount() (int64, error) {
+	var count int64
+	query := `SELECT COUNT(*) FROM files`
+	err := d.db.QueryRow(query).Scan(&count)
+	if err != nil {
+		return 0, fmt.Errorf("error getting count | %w", err)
+	}
+	return count, nil
+}
+
+func (d *store) GetFiles() ([]types.FileMetadata, error) {
+	var files []types.FileMetadata
+	query := `SELECT name, path, size, hash, modifiedDate, backedUp FROM files order by path, name`
+	rows, err := d.db.Query(query)
+	if err != nil {
+		return nil, fmt.Errorf("error getting files | %w", err)
+	}
+	defer rows.Close()
+	for rows.Next() {
+		var file types.FileMetadata
+		err := rows.Scan(&file.Name, &file.Path, &file.Size, &file.Hash, &file.ModifiedDate, &file.BackedUp)
+		if err != nil {
+			return nil, fmt.Errorf("error scanning file | %w", err)
+		}
+		files = append(files, file)
+	}
+	return files, nil
+}
+
 func (d *store) Close() error {
 	return d.db.Close()
 }