Started work on new layered setup, making a huge mess.

models/tag-kind.go

@@ -1,47 +0,0 @@
-package models
-
-import (
-	"fmt"
-	"io"
-)
-
-// TagKind represents the kind of tags.
-type TagKind string
-
-const (
-	// TagKindOrganization is a tag kind, see GraphQL documentation.
-	TagKindOrganization TagKind = "Organization"
-
-	// TagKindCharacter is a tag kind, see GraphQL documentation.
-	TagKindCharacter TagKind = "Character"
-
-	// TagKindLocation is a tag kind, see GraphQL documentation.
-	TagKindLocation TagKind = "Location"
-
-	// TagKindEvent is a tag kind, see GraphQL documentation.
-	TagKindEvent TagKind = "Event"
-
-	// TagKindSeries is a tag kind, see GraphQL documentation.
-	TagKindSeries TagKind = "Series"
-)
-
-// UnmarshalGQL unmarshals
-func (e *TagKind) UnmarshalGQL(v interface{}) error {
-	str, ok := v.(string)
-	if !ok {
-		return fmt.Errorf("enums must be strings")
-	}
-
-	*e = TagKind(str)
-	switch *e {
-	case TagKindOrganization, TagKindCharacter, TagKindLocation, TagKindEvent, TagKindSeries:
-		return nil
-	default:
-		return fmt.Errorf("%s is not a valid TagKind", str)
-	}
-}
-
-// MarshalGQL turns it into a JSON string
-func (e TagKind) MarshalGQL(w io.Writer) {
-	fmt.Fprint(w, "\""+string(e), "\"")
-}

models/tag.go

@@ -1,5 +1,10 @@
 package models
 
+import (
+	"fmt"
+	"io"
+)
+
 // A Tag associates a story with other content, like other stories, logs and more.
 type Tag struct {
 	Kind TagKind `bson:"kind"`
@@ -15,4 +20,50 @@ func (tag *Tag) Equal(other Tag) bool {
 // ChangeObject in GQL.
 func (*Tag) IsChangeObject() {
 	panic("this method is a dummy, and so is its caller")
-}
+}
+
+// TagKind represents the kind of tags.
+type TagKind string
+
+const (
+	// TagKindOrganization is a tag kind, see GraphQL documentation.
+	TagKindOrganization TagKind = "Organization"
+
+	// TagKindCharacter is a tag kind, see GraphQL documentation.
+	TagKindCharacter TagKind = "Character"
+
+	// TagKindLocation is a tag kind, see GraphQL documentation.
+	TagKindLocation TagKind = "Location"
+
+	// TagKindEvent is a tag kind, see GraphQL documentation.
+	TagKindEvent TagKind = "Event"
+
+	// TagKindSeries is a tag kind, see GraphQL documentation.
+	TagKindSeries TagKind = "Series"
+)
+
+// UnmarshalGQL unmarshals
+func (e *TagKind) UnmarshalGQL(v interface{}) error {
+	str, ok := v.(string)
+	if !ok {
+		return fmt.Errorf("enums must be strings")
+	}
+
+	*e = TagKind(str)
+	switch *e {
+	case TagKindOrganization, TagKindCharacter, TagKindLocation, TagKindEvent, TagKindSeries:
+		return nil
+	default:
+		return fmt.Errorf("%s is not a valid TagKind", str)
+	}
+}
+
+// MarshalGQL turns it into a JSON string
+func (e TagKind) MarshalGQL(w io.Writer) {
+	fmt.Fprint(w, "\""+string(e), "\"")
+}
+
+// TagFilter is a filter of tags.
+type TagFilter struct {
+	Kind *TagKind `bson:"kind,omitempty"`
+}