Impl storage mongo driver and config

storage/graph.go

@@ -0,0 +1,43 @@
+package storage
+
+import (
+	"context"
+
+	"go.mongodb.org/mongo-driver/bson"
+)
+
+type Graph struct {
+	mongo Mongo
+}
+
+func NewGraph() Graph {
+	mongo := NewMongo()
+	return Graph{
+		mongo: mongo,
+	}
+}
+
+func (g Graph) List(ctx context.Context, from ...string) ([]One, error) {
+	filter := newFilterIn("_id", from)
+	ch, err := g.mongo.Find(ctx, filter)
+	if err != nil {
+		return nil, err
+	}
+	var ones []One
+	for one := range ch {
+		var o One
+		if err := bson.Unmarshal(one, &o); err != nil {
+			return nil, err
+		}
+		ones = append(ones, o)
+	}
+	return ones, nil
+}
+
+func (g Graph) Insert(ctx context.Context, one One) error {
+	return g.mongo.Insert(ctx, one)
+}
+
+func (g Graph) Update(ctx context.Context, one One, modify interface{}) error {
+	return g.mongo.Update(ctx, one, modify)
+}