Hello all,
I am using mongo-go-driver to replace globalsign-mgo, I want to write a new
module for mongo-go instead of changing directly the existing module
running on globalsign-mgo.
I facing a problem, there is a common data structure defined as below:
type Meeting struct {
// Id of the Meeting
ID bson.ObjectId `json:"id,omitempty" bson:"_id,omitempty"`
// UserId is the owner of the Meeting
UserID bson.ObjectId `json:"user_id,omitempty" bson:"user_id,omitempty"`
}
where the bson.ObjectId is defined in globalsign.mgo, but in the
mongo-driver, it should be *primitive.bson.ObjectID, defined
in "go.mongodb.org/mongo-driver/bson/primitive".
So when I make the object of Meeting from protobuf, if I using
mongo-driver, the code looks like:
// FromProto buils a Meeting model from corresponding prototype
func FromProto(proto *proto.Meeting) *Meeting {
model := Meeting{}
if proto.Id != "" {
model.ID, _ = primitive.ObjectIDFromHex(proto.Id)
} else {
model.ID = primitive.NewObjectID()
}
model.UserID, _ = primitive.ObjectIDFromHex(proto.UserId)
return &model
}
It looks the Meeting and the related operation code have to be deep coupled
with either globalsign or mongo-driver.
If I add a new Meeting struct for mongo-driver, a lot of code need to add
or modify. Is there any way to dynamic switch the bson between globalsign
and mongo-driver, so that the Meeting structure be compliant with two
modules?
Thanks,
James
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