feat(graphql): add children query

database/metadata.go

@@ -98,6 +98,34 @@ func GetItemsCountFromLibrary(libraryID string) (*int64, error) {
 	return &count, nil
 }
 
+// Returns all the children of a given item.
+func GetChildrenFromItem(id string, limit, offset *int64) ([]*ItemMetadata, error) {
+	var children []*ItemMetadata
+
+	result := db.
+		Limit(int(*limit)).
+		Offset(int(*offset)).
+		Where("parent_id = ?", id).
+		Find(&children)
+	if result.Error != nil {
+		return nil, result.Error
+	}
+
+	return children, nil
+}
+
+// Returns the number of children for a given item.
+func GetChildrenCountFromItem(id string) (*int64, error) {
+	var count int64
+
+	result := db.Model(&ItemMetadata{}).Where("parent_id = ?", id).Count(&count)
+	if result.Error != nil {
+		return nil, result.Error
+	}
+
+	return &count, nil
+}
+
 func GetLatestItemsFromLibrary(libraryID uint64, limit int) ([]*ItemMetadata, error) {
 	var items []*ItemMetadata
 

go.mod

@@ -8,6 +8,7 @@ require (
 	github.com/middelink/go-parse-torrent-name v0.0.0-20190301154245-3ff4efacd4c4
 	github.com/panjf2000/ants/v2 v2.4.7
 	github.com/ryanbradynd05/go-tmdb v0.0.0-20201006144520-c0566c3d1506
+	github.com/spf13/viper v1.10.1
 	github.com/vektah/gqlparser/v2 v2.3.1
 	gopkg.in/vansante/go-ffprobe.v2 v2.0.3
 	gorm.io/datatypes v1.0.5
@@ -17,18 +18,15 @@ require (
 
 require (
 	github.com/fsnotify/fsnotify v1.5.1 // indirect
-	github.com/google/go-cmp v0.5.6 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/magiconair/properties v1.8.5 // indirect
 	github.com/pelletier/go-toml v1.9.4 // indirect
 	github.com/spf13/afero v1.6.0 // indirect
 	github.com/spf13/cast v1.4.1 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/spf13/viper v1.10.1 // indirect
 	github.com/subosito/gotenv v1.2.0 // indirect
 	gopkg.in/ini.v1 v1.66.2 // indirect
-	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )
 
 require (