Model refactor, part 2 (stashapp#4092)

* Move conversions into changesetTranslator
* Improve mutation error messages
* Use models.New and models.NewPartial everywhere
* Replace getStashIDsFor functions
* Remove ImageCreateInput
* Remove unused parameters
* Refactor matching functions
---------
Co-authored-by: WithoutPants <53250216+WithoutPants@users.noreply.github.com>

internal/api/changeset_translator.go

@@ -7,7 +7,9 @@ import (
 	"strings"
 
 	"github.com/99designs/gqlgen/graphql"
+
 	"github.com/stashapp/stash/pkg/models"
+	"github.com/stashapp/stash/pkg/sliceutil/stringslice"
 )
 
 const updateInputField = "input"
@@ -91,7 +93,7 @@ func (t changesetTranslator) getFields() []string {
 	return ret
 }
 
-func (t changesetTranslator) string(value *string, field string) string {
+func (t changesetTranslator) string(value *string) string {
 	if value == nil {
 		return ""
 	}
@@ -127,7 +129,7 @@ func (t changesetTranslator) optionalDate(value *string, field string) (models.O
 	return models.NewOptionalDate(date), nil
 }
 
-func (t changesetTranslator) datePtr(value *string, field string) (*models.Date, error) {
+func (t changesetTranslator) datePtr(value *string) (*models.Date, error) {
 	if value == nil || *value == "" {
 		return nil, nil
 	}
@@ -139,7 +141,7 @@ func (t changesetTranslator) datePtr(value *string, field string) (*models.Date,
 	return &date, nil
 }
 
-func (t changesetTranslator) intPtrFromString(value *string, field string) (*int, error) {
+func (t changesetTranslator) intPtrFromString(value *string) (*int, error) {
 	if value == nil || *value == "" {
 		return nil, nil
 	}
@@ -151,35 +153,35 @@ func (t changesetTranslator) intPtrFromString(value *string, field string) (*int
 	return &vv, nil
 }
 
-func (t changesetTranslator) ratingConversionInt(legacyValue *int, rating100Value *int) *int {
+func (t changesetTranslator) ratingConversion(legacyValue *int, rating100Value *int) *int {
 	const (
 		legacyField    = "rating"
 		rating100Field = "rating100"
 	)
 
 	legacyRating := t.optionalInt(legacyValue, legacyField)
-	if legacyRating.Set && !(legacyRating.Null) {
-		ret := int(models.Rating5To100(int(legacyRating.Value)))
+	if legacyRating.Set && !legacyRating.Null {
+		ret := models.Rating5To100(legacyRating.Value)
 		return &ret
 	}
 
 	o := t.optionalInt(rating100Value, rating100Field)
-	if o.Set && !(o.Null) {
+	if o.Set && !o.Null {
 		return &o.Value
 	}
 
 	return nil
 }
 
-func (t changesetTranslator) ratingConversionOptional(legacyValue *int, rating100Value *int) models.OptionalInt {
+func (t changesetTranslator) optionalRatingConversion(legacyValue *int, rating100Value *int) models.OptionalInt {
 	const (
 		legacyField    = "rating"
 		rating100Field = "rating100"
 	)
 
 	legacyRating := t.optionalInt(legacyValue, legacyField)
-	if legacyRating.Set && !(legacyRating.Null) {
-		legacyRating.Value = int(models.Rating5To100(int(legacyRating.Value)))
+	if legacyRating.Set && !legacyRating.Null {
+		legacyRating.Value = models.Rating5To100(legacyRating.Value)
 		return legacyRating
 	}
 	return t.optionalInt(rating100Value, rating100Field)
@@ -212,7 +214,7 @@ func (t changesetTranslator) optionalIntFromString(value *string, field string)
 	return models.NewOptionalInt(vv), nil
 }
 
-func (t changesetTranslator) bool(value *bool, field string) bool {
+func (t changesetTranslator) bool(value *bool) bool {
 	if value == nil {
 		return false
 	}
@@ -235,3 +237,151 @@ func (t changesetTranslator) optionalFloat64(value *float64, field string) model
 
 	return models.NewOptionalFloat64Ptr(value)
 }
+
+func (t changesetTranslator) fileIDPtrFromString(value *string) (*models.FileID, 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)
+	}
+
+	id := models.FileID(vv)
+	return &id, nil
+}
+
+func (t changesetTranslator) fileIDSliceFromStringSlice(value []string) ([]models.FileID, error) {
+	ints, err := stringslice.StringSliceToIntSlice(value)
+	if err != nil {
+		return nil, err
+	}
+
+	fileIDs := make([]models.FileID, len(ints))
+	for i, v := range ints {
+		fileIDs[i] = models.FileID(v)
+	}
+
+	return fileIDs, nil
+}
+
+func (t changesetTranslator) relatedIds(value []string) (models.RelatedIDs, error) {
+	ids, err := stringslice.StringSliceToIntSlice(value)
+	if err != nil {
+		return models.RelatedIDs{}, err
+	}
+
+	return models.NewRelatedIDs(ids), nil
+}
+
+func (t changesetTranslator) updateIds(value []string, field string) (*models.UpdateIDs, error) {
+	if !t.hasField(field) {
+		return nil, nil
+	}
+
+	ids, err := stringslice.StringSliceToIntSlice(value)
+	if err != nil {
+		return nil, err
+	}
+
+	return &models.UpdateIDs{
+		IDs:  ids,
+		Mode: models.RelationshipUpdateModeSet,
+	}, nil
+}
+
+func (t changesetTranslator) updateIdsBulk(value *BulkUpdateIds, field string) (*models.UpdateIDs, error) {
+	if !t.hasField(field) || value == nil {
+		return nil, nil
+	}
+
+	ids, err := stringslice.StringSliceToIntSlice(value.Ids)
+	if err != nil {
+		return nil, fmt.Errorf("converting ids [%v]: %w", value.Ids, err)
+	}
+
+	return &models.UpdateIDs{
+		IDs:  ids,
+		Mode: value.Mode,
+	}, nil
+}
+
+func (t changesetTranslator) updateStrings(value []string, field string) *models.UpdateStrings {
+	if !t.hasField(field) {
+		return nil
+	}
+
+	return &models.UpdateStrings{
+		Values: value,
+		Mode:   models.RelationshipUpdateModeSet,
+	}
+}
+
+func (t changesetTranslator) updateStringsBulk(value *BulkUpdateStrings, field string) *models.UpdateStrings {
+	if !t.hasField(field) || value == nil {
+		return nil
+	}
+
+	return &models.UpdateStrings{
+		Values: value.Values,
+		Mode:   value.Mode,
+	}
+}
+
+func (t changesetTranslator) updateStashIDs(value []models.StashID, field string) *models.UpdateStashIDs {
+	if !t.hasField(field) {
+		return nil
+	}
+
+	return &models.UpdateStashIDs{
+		StashIDs: value,
+		Mode:     models.RelationshipUpdateModeSet,
+	}
+}
+
+func (t changesetTranslator) relatedMovies(value []models.SceneMovieInput) (models.RelatedMovies, error) {
+	moviesScenes, err := models.MoviesScenesFromInput(value)
+	if err != nil {
+		return models.RelatedMovies{}, err
+	}
+
+	return models.NewRelatedMovies(moviesScenes), nil
+}
+
+func (t changesetTranslator) updateMovieIDs(value []models.SceneMovieInput, field string) (*models.UpdateMovieIDs, error) {
+	if !t.hasField(field) {
+		return nil, nil
+	}
+
+	moviesScenes, err := models.MoviesScenesFromInput(value)
+	if err != nil {
+		return nil, err
+	}
+
+	return &models.UpdateMovieIDs{
+		Movies: moviesScenes,
+		Mode:   models.RelationshipUpdateModeSet,
+	}, nil
+}
+
+func (t changesetTranslator) updateMovieIDsBulk(value *BulkUpdateIds, field string) (*models.UpdateMovieIDs, error) {
+	if !t.hasField(field) || value == nil {
+		return nil, nil
+	}
+
+	ids, err := stringslice.StringSliceToIntSlice(value.Ids)
+	if err != nil {
+		return nil, fmt.Errorf("converting ids [%v]: %w", value.Ids, err)
+	}
+
+	movies := make([]models.MoviesScenes, len(value.Ids))
+	for _, id := range ids {
+		movies = append(movies, models.MoviesScenes{MovieID: id})
+	}
+
+	return &models.UpdateMovieIDs{
+		Movies: movies,
+		Mode:   value.Mode,
+	}, nil
+}

internal/api/resolver_model_scene.go

@@ -275,16 +275,6 @@ func (r *sceneResolver) Performers(ctx context.Context, obj *models.Scene) (ret
 	return ret, firstError(errs)
 }
 
-func stashIDsSliceToPtrSlice(v []models.StashID) []*models.StashID {
-	ret := make([]*models.StashID, len(v))
-	for i, vv := range v {
-		c := vv
-		ret[i] = &c
-	}
-
-	return ret
-}
-
 func (r *sceneResolver) StashIds(ctx context.Context, obj *models.Scene) (ret []*models.StashID, err error) {
 	if err := r.withReadTxn(ctx, func(ctx context.Context) error {
 		return obj.LoadStashIDs(ctx, r.repository.Scene)

internal/api/resolver_mutation_file.go

@@ -26,7 +26,7 @@ func (r *mutationResolver) MoveFiles(ctx context.Context, input MoveFilesInput)
 
 		fileIDs, err := stringslice.StringSliceToIntSlice(input.Ids)
 		if err != nil {
-			return fmt.Errorf("converting file ids: %w", err)
+			return fmt.Errorf("converting ids: %w", err)
 		}
 
 		switch {
@@ -35,7 +35,7 @@ func (r *mutationResolver) MoveFiles(ctx context.Context, input MoveFilesInput)
 
 			folderID, err := strconv.Atoi(*input.DestinationFolderID)
 			if err != nil {
-				return fmt.Errorf("invalid folder id %s: %w", *input.DestinationFolderID, err)
+				return fmt.Errorf("converting destination folder id: %w", err)
 			}
 
 			folder, err = folderStore.Find(ctx, models.FolderID(folderID))
@@ -146,7 +146,7 @@ func (r *mutationResolver) validateFileExtensionList(exts []string, oldBasename,
 func (r *mutationResolver) DeleteFiles(ctx context.Context, ids []string) (ret bool, err error) {
 	fileIDs, err := stringslice.StringSliceToIntSlice(ids)
 	if err != nil {
-		return false, err
+		return false, fmt.Errorf("converting ids: %w", err)
 	}
 
 	fileDeleter := file.NewDeleter()