3_Play

README

Play

Limit the access to the Firestore database to the service account:

Get the client id from the credential file:

grep client_id ${LOCAL_CREDENTIALS_DIR}/${GCP_PROJECT}-${GCP_SA_NAME}.json

Change Firestore rules in the Firestore console:

rules_version = '2';
service cloud.firestore {
  match /databases/{database}/documents {
    match /{document=**} {
      allow read, write: if request.auth.uid == "<client_id>";
    }
  }
}

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Enhance the request to control the path and type, i.e. collection or document

{
  "path": "creative-learning-cycles/cycle_1/",
  "type": "collection",
  "data": "some data"
}

Let's find out how using main.go copied from ../2_Create/main.go.

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Create new Go function in file functions/store-data.go using template.txt and main.go.

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Prepare deployment and deploy Cloud Function store-data

cd functions

go mod init
go mod vendor

gcloud functions deploy store-data --region "${GCP_REGION}" \
    --entry-point StoreData --runtime go113 --trigger-http \
    --service-account="${GCP_SA_NAME}@${GCP_PROJECT}.iam.gserviceaccount.com" \
    --set-env-vars=GCP_PROJECT="${GCP_PROJECT}" \
    --update-labels=topic=creative-learning-cycles,cycle=1 \
    --allow-unauthenticated 

Get the URL and test the function

gcloud functions describe store-data --region "${GCP_REGION}" --format='value(httpsTrigger.url)'

curl <url> -d '{
    "path": "creative-learning-cycles/my-doc",
    "type": "document",
    "data": "setting data to a doc by function"
}'

curl <url> -d '{
    "path": "creative-learning-cycles/my-doc/my-new-collection",
    "type": "collection",
    "data": "adding a document to a new collection of a document by function"
}'

curl <url> -d '{
    "path": "creative-learning-cycles/cycle_1/my-collection",
    "type": "collection",
    "data": "adding a document to a collection by function"
}'

curl <url> -d '{
    "path": "creative-learning-cycles/cycle_1",
    "type": "document",
    "data": "setting data to a document with collection by function"
}'

Implement a read functionality

Let's find out how using main.go - save the old one under main/path-and-type.go

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