On Thu, Feb 14, 2019 at 5:33 AM <afriyie.abra...@gmail.com> wrote:
>
> Hi,
>
> Am quite new in go language and asking for help.
> I have this JSON object in mongodb with collection name "COLLECTION",
> I have multiple object in the database (mongo) and would like to access all
> the string
> values """apiVersionInUri": "string", in all the objects.
> Can anyone help me do this in Golang. I know i will need a for loop to
> achieve this but
> i dont know how to go about it.
>
> Thanks in advance
There are several ways you can do this. You can unmarshal bson from
the db by defining:
type Obj struct {
NFServices []Service `bson:"nfServices"`
...
}
type Service struct {
Versions []Version `bson:"versions"`
...
}
type Version struct {
APIVersionInURI string `bson:"apiVersionInUri"`
}
Then reading Obj from the db, and accessing the values you need:
var obj Obj
itr:=coll.Find(...).Iter()
for itr.Next(&obj) {
for _,svc:=range obj.NFServices {
for _,v:=range svc.Versions {
//use v.APIVersionInURI
}
}
}
You can also read it to a map, and iteratively look in it.
>
> //Example JSON object look like this
>
>
> {
> "nfInstanceId": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
> "heartBeatTimer": 0,
> "sNssais": [
> {
> "sst": 0,
> "sd": "string"
> }
> ],
> "nsiList": [
> "string"
> ],
> "nfServices": [
> {
> "serviceInstanceId": "string",
> "versions": [
> {
> "apiVersionInUri": "string",
> "apiFullVersion": "string",
> "expiry": "2019-02-03T12:08:56.650Z"
> }
> ]
> }
> ]
> }
>
>
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