精简后的项目：仅保留 api/ui 源码、文档、构建依赖

api/graphql/resolvers/resolver.go

@@ -0,0 +1,24 @@
+package resolvers
+
+import (
+	"context"
+
+	"gorm.io/gorm"
+)
+
+//go:generate go tool github.com/99designs/gqlgen
+
+type Resolver struct {
+	database *gorm.DB
+}
+
+func NewRootResolver(db *gorm.DB) Resolver {
+	return Resolver{
+		database: db,
+	}
+}
+
+// DB returns a database instance that is tied to the given context
+func (r *Resolver) DB(ctx context.Context) *gorm.DB {
+	return r.database.WithContext(ctx)
+}