Support file-less scenes. Add scene split, merge and reassign file (#3006)

* Reassign scene file functionality
* Implement scene create
* Add scene create UI
* Add sceneMerge backend support
* Add merge scene to UI
* Populate split create with scene details
* Add merge button to duplicate checker
* Handle file-less scenes in marker preview generate
* Make unique file name for file-less scene exports
* Add o-counter to scene update input
* Hide rescan for file-less scenes
* Generate heatmap if no speed set on file
* Fix count in scene/image queries

internal/api/changeset_translator.go

@@ -5,6 +5,7 @@ import (
 	"database/sql"
 	"fmt"
 	"strconv"
+	"strings"
 
 	"github.com/99designs/gqlgen/graphql"
 	"github.com/stashapp/stash/pkg/models"
@@ -19,19 +20,35 @@ func getArgumentMap(ctx context.Context) map[string]interface{} {
 }
 
 func getUpdateInputMap(ctx context.Context) map[string]interface{} {
+	return getNamedUpdateInputMap(ctx, updateInputField)
+}
+
+func getNamedUpdateInputMap(ctx context.Context, field string) map[string]interface{} {
 	args := getArgumentMap(ctx)
 
-	input := args[updateInputField]
-	var ret map[string]interface{}
-	if input != nil {
-		ret, _ = input.(map[string]interface{})
+	// field can be qualified
+	fields := strings.Split(field, ".")
+
+	currArgs := args
+
+	for _, f := range fields {
+		v, found := currArgs[f]
+		if !found {
+			currArgs = nil
+			break
+		}
+
+		currArgs, _ = v.(map[string]interface{})
+		if currArgs == nil {
+			break
+		}
 	}
 
-	if ret == nil {
-		ret = make(map[string]interface{})
+	if currArgs != nil {
+		return currArgs
 	}
 
-	return ret
+	return make(map[string]interface{})
 }
 
 func getUpdateInputMaps(ctx context.Context) []map[string]interface{} {
@@ -90,6 +107,14 @@ func (t changesetTranslator) nullString(value *string, field string) *sql.NullSt
 	return ret
 }
 
+func (t changesetTranslator) string(value *string, field string) string {
+	if value == nil {
+		return ""
+	}
+
+	return *value
+}
+
 func (t changesetTranslator) optionalString(value *string, field string) models.OptionalString {
 	if !t.hasField(field) {
 		return models.OptionalString{}
@@ -128,6 +153,27 @@ func (t changesetTranslator) optionalDate(value *string, field string) models.Op
 	return models.NewOptionalDate(models.NewDate(*value))
 }
 
+func (t changesetTranslator) datePtr(value *string, field string) *models.Date {
+	if value == nil {
+		return nil
+	}
+
+	d := models.NewDate(*value)
+	return &d
+}
+
+func (t changesetTranslator) intPtrFromString(value *string, field string) (*int, error) {
+	if value == nil || *value == "" {
+		return nil, nil
+	}
+
+	vv, err := strconv.Atoi(*value)
+	if err != nil {
+		return nil, fmt.Errorf("converting %v to int: %w", *value, err)
+	}
+	return &vv, nil
+}
+
 func (t changesetTranslator) nullInt64(value *int, field string) *sql.NullInt64 {
 	if !t.hasField(field) {
 		return nil
@@ -185,6 +231,14 @@ func (t changesetTranslator) optionalIntFromString(value *string, field string)
 	return models.NewOptionalInt(vv), nil
 }
 
+func (t changesetTranslator) bool(value *bool, field string) bool {
+	if value == nil {
+		return false
+	}
+
+	return *value
+}
+
 func (t changesetTranslator) optionalBool(value *bool, field string) models.OptionalBool {
 	if !t.hasField(field) {
 		return models.OptionalBool{}