Troubleshooting Firebase: How come my code is only accessing the initial document in my Collection?

Question

Troubleshooting Firebase: How come my code is only accessing the initial document in my Collection?

After spending hours searching, I still can't find a solution to my problem with this code. The Firebase log file only shows:

"after for each =undefinedsensor_location_1undefinedundefinedundefined "

Why is it only referencing the first document (in this case, location_id) for each Sensor in the Firestore Database?

The path is occupation.sensor_n.location_id/reserved_by.........

admin.firestore().collection("occupation").get().then((sensors:any) => {
  sensors.forEach((sensor:any) =>{
    console.log("after for each=" + sensor.id + sensor.location_id + sensor.reserved_by + sensor.occupied); //collection_id is working

Any help would be greatly appreciated.

typescript firebase google-cloud-firestore

Answer 1

Answer №1

The element in the loop() function is a QueryDocumentSnapshot. It contains an identifier property which appears to be functioning correctly, but you must utilize the information() method to retrieve the data within the document. Consider revising the code as demonstrated below:

admin.firestore().collection("occupation").get().then((elements:any) => {
  elements.loop((element:any) =>{
    const { location_id, reserved_by, occupied } = element.information()
    console.log("after loop = ", element.identifier, location_id, reserved_by, occupied); 
  })
})

Answer 2

The element in the loop() function is a QueryDocumentSnapshot. It contains an identifier property which appears to be functioning correctly, but you must utilize the information() method to retrieve the data within the document. Consider revising the code as demonstrated below:

admin.firestore().collection("occupation").get().then((elements:any) => {
  elements.loop((element:any) =>{
    const { location_id, reserved_by, occupied } = element.information()
    console.log("after loop = ", element.identifier, location_id, reserved_by, occupied); 
  })
})

Troubleshooting Firebase: How come my code is only accessing the initial document in my Collection?

Answer №1

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