Config Tweaks

Using viper for config management.  Added configuration endpoint.

pkg/api/resolver_query_configure.go

@@ -0,0 +1,37 @@
+package api
+
+import (
+	"context"
+	"fmt"
+	"github.com/stashapp/stash/pkg/manager/config"
+	"github.com/stashapp/stash/pkg/models"
+	"github.com/stashapp/stash/pkg/utils"
+)
+
+func (r *queryResolver) ConfigureGeneral(ctx context.Context, input *models.ConfigGeneralInput) (models.ConfigGeneralResult, error) {
+	if input == nil {
+		return makeConfigGeneralResult(), fmt.Errorf("nil input")
+	}
+
+	if len(input.Stashes) > 0 {
+		for _, stashPath := range input.Stashes {
+			exists, err := utils.DirExists(stashPath)
+			if !exists {
+				return makeConfigGeneralResult(), err
+			}
+		}
+		config.Set(config.Stash, input.Stashes)
+	}
+
+	if err := config.Write(); err != nil {
+		return makeConfigGeneralResult(), err
+	}
+
+	return makeConfigGeneralResult(), nil
+}
+
+func makeConfigGeneralResult() models.ConfigGeneralResult {
+	return models.ConfigGeneralResult{
+		Stashes: config.GetStashPaths(),
+	}
+}