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dfischer

fcf's Issues

Assistance with proper struct setup

I'm having a bit of trouble figuring out the right way to setup my types to pick up this structure.

On my server this is the natural type:

// Assessment stores assessment in db
type Assessment struct {
	TemplateID string               `firestore:"templateID"`
	Created    time.Time            `firestore:"created"`
	UserID     string               `firestore:"userID"`
	Slots      map[string]*bot.Slot `firestore:"slots"`
}

type Slot struct {
	Value   interface{} `firestore:"value"`
	Created time.Time   `firestore:"created"`
}

Which then gets sent as this to the firestore trigger cloud function:

{
  "oldValue": {},
  "updateMask": {},
  "value": {
    "createTime": "2019-06-13T22:44:02.081775Z",
    "fields": {
      "created": {
        "timestampValue": "2019-06-13T22:44:01.926976Z"
      },
      "slots": {
        "mapValue": {
          "fields": {
            "frustrated": {
              "mapValue": {
                "fields": {
                  "created": {
                    "timestampValue": "2019-06-13T22:43:57.332848Z"
                  },
                  "value": {
                    "stringValue": "zxc"
                  }
                }
              }
            },
            "hitQuota": {
              "mapValue": {
                "fields": {
                  "created": {
                    "timestampValue": "2019-06-13T22:43:53.571678Z"
                  },
                  "value": {
                    "stringValue": "qwe"
                  }
                }
              }
            },
            "toolsTechnology": {
              "mapValue": {
                "fields": {
                  "created": {
                    "timestampValue": "2019-06-13T22:43:55.566685Z"
                  },
                  "value": {
                    "stringValue": "asd"
                  }
                }
              }
            }
          }
        }
      },
      "templateID": {
        "stringValue": "ae"
      },
      "userID": {
        "stringValue": "1667237206656764"
      }
    },
    "name": "removed",
    "updateTime": "2019-06-13T22:44:02.081775Z"
  }
}

The goal is to iterate over every slot easily and grab that value. That's where I'm having the most trouble. I'm close but... feel like I may be doing it wrong and missing something from a mental model perspective.

Here's the type on the cloud function

type assessmentData struct {
	TemplateID string    `fcf:"templateID"`
	Created    time.Time `fcf:"created"`
	UserID     string    `fcf:"userID"`

	MapVal map[string]struct {
		ValString map[string]string `json:"stringValue"`
	} `fcf:"slots"`
	MapDynamic   map[string]interface{} `fcf:"slots"`
	MapInterface interface{}            `fcf:"slots"`
}

I'm experimenting so there's the superfluous last two attributes.

Basically just want to output each value in slot as finishing my experiment.

	for k, v := range a.MapVal {
		log.Printf("MapVal: k: %s, val: %+v", k, v)
		log.Printf("MapVal: v : %+v", v)
		for kk, vv := range v.ValString { // this would be the slot attributes
			log.Printf("ValString: kk: %s, val: %+v", kk, vv)
			log.Printf("ValString: vv: %+v", vv)
		}
	}

I tried it without having the nested struct with ValString but wasn't having much luck there so trying to do this piece more manually but still close but no cigar.

Anyway, thanks!

edit: note:

Usually I'd expect to just use a map[string]type structure for dynamic keys but this is proving difficult with the payload - want to simplify if possible.

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