Separate graphql API from rest of the system (#2503)

* Move graphql generated files to api
* Refactor identify options
* Remove models.StashBoxes
* Move ScraperSource to scraper package
* Rename field strategy enums
* Rename identify.TaskOptions to Options

internal/manager/import.go

@@ -2,11 +2,55 @@ package manager
 
 import (
 	"fmt"
+	"io"
+	"strconv"
 
 	"github.com/stashapp/stash/pkg/logger"
-	"github.com/stashapp/stash/pkg/models"
 )
 
+type ImportDuplicateEnum string
+
+const (
+	ImportDuplicateEnumIgnore    ImportDuplicateEnum = "IGNORE"
+	ImportDuplicateEnumOverwrite ImportDuplicateEnum = "OVERWRITE"
+	ImportDuplicateEnumFail      ImportDuplicateEnum = "FAIL"
+)
+
+var AllImportDuplicateEnum = []ImportDuplicateEnum{
+	ImportDuplicateEnumIgnore,
+	ImportDuplicateEnumOverwrite,
+	ImportDuplicateEnumFail,
+}
+
+func (e ImportDuplicateEnum) IsValid() bool {
+	switch e {
+	case ImportDuplicateEnumIgnore, ImportDuplicateEnumOverwrite, ImportDuplicateEnumFail:
+		return true
+	}
+	return false
+}
+
+func (e ImportDuplicateEnum) String() string {
+	return string(e)
+}
+
+func (e *ImportDuplicateEnum) UnmarshalGQL(v interface{}) error {
+	str, ok := v.(string)
+	if !ok {
+		return fmt.Errorf("enums must be strings")
+	}
+
+	*e = ImportDuplicateEnum(str)
+	if !e.IsValid() {
+		return fmt.Errorf("%s is not a valid ImportDuplicateEnum", str)
+	}
+	return nil
+}
+
+func (e ImportDuplicateEnum) MarshalGQL(w io.Writer) {
+	fmt.Fprint(w, strconv.Quote(e.String()))
+}
+
 type importer interface {
 	PreImport() error
 	PostImport(id int) error
@@ -16,7 +60,7 @@ type importer interface {
 	Update(id int) error
 }
 
-func performImport(i importer, duplicateBehaviour models.ImportDuplicateEnum) error {
+func performImport(i importer, duplicateBehaviour ImportDuplicateEnum) error {
 	if err := i.PreImport(); err != nil {
 		return err
 	}
@@ -31,9 +75,9 @@ func performImport(i importer, duplicateBehaviour models.ImportDuplicateEnum) er
 	var id int
 
 	if existing != nil {
-		if duplicateBehaviour == models.ImportDuplicateEnumFail {
+		if duplicateBehaviour == ImportDuplicateEnumFail {
 			return fmt.Errorf("existing object with name '%s'", name)
-		} else if duplicateBehaviour == models.ImportDuplicateEnumIgnore {
+		} else if duplicateBehaviour == ImportDuplicateEnumIgnore {
 			logger.Info("Skipping existing object")
 			return nil
 		}