Add ability to browse data

data.go

@@ -27,3 +27,29 @@ func (a *App) GetAllRAMTypes() ([]string, error) {
 	}
 	return types, err
 }
+
+func (a *App) GetAllTypes() ([]string, error) {
+	var types []string
+	var err error
+	for row := range a.db.Query("SELECT type FROM assets GROUP BY type ORDER BY type ASC").Range(&err) {
+		var name string
+		err := row.Scan(&name)
+		if err != nil {
+			return nil, err
+		}
+		types = append(types, name)
+	}
+	return types, err
+}
+
+func (a *App) GetAssetCount() (int, error) {
+	var count int
+	err := a.db.Query("SELECT COUNT(*) FROM assets").ScanSingle(&count)
+	return count, err
+}
+
+func (a *App) GetBrandCount() (int, error) {
+	var count int
+	err := a.db.Query("SELECT COUNT(DISTINCT brand) FROM assets").ScanSingle(&count)
+	return count, err
+}