How to iterate over GraphQL models inside override.ts

[xonaman]

Amplify CLI Version

12.8.2

Question

Hello everyone,

I am trying to apply some settings to all my GraphQL models inside the override.ts file generated via amplify override api:

import { AmplifyApiGraphQlResourceStackTemplate } from '@aws-amplify/cli-extensibility-helper';

export function override(resources: AmplifyApiGraphQlResourceStackTemplate) {
  for (const model in resources.models) {
    resources.models[model].modelDDBTable.deletionProtectionEnabled = true;
    resources.models[model].modelDDBTable.pointInTimeRecoverySpecification = {
      pointInTimeRecoveryEnabled: true,
    };
    resources.models[model].modelDDBTable.timeToLiveSpecification = {
      attributeName: 'ttl',
      enabled: false,
    };
  }
}

However, when trying to push, I get the following error:

robertmainzer@Roberts-Air remonon_app % amplify push -y
✖ There was an error pulling the backend environment staging.
🛑 Executing overrides failed.
Cannot set properties of undefined (setting 'deletionProtectionEnabled')

How does one iterate over all models correctly?

[ykethan]

Hey @xonaman, thank you for reaching out. On testing this a new application by running
amplify add api
amplify override api

for (const model in resources.models) {
    resources.models[model].modelDDBTable.pointInTimeRecoverySpecification = {
      pointInTimeRecoveryEnabled: true,
    };

    resources.models[model].modelDDBTable.timeToLiveSpecification = {
      attributeName: "ttl",
      enabled: false,
    };

    resources.models[model].modelDDBTable.deletionProtectionEnabled = true;
    console.log(resources.models[model].modelDDBTable); //ensure property is set
  }

the running push did not throw an error

[xonaman]

Turns out that the "ConnectionStack" was also part of the resources.models array, which does indeed not have a "modelDDBTable" property. This code works for me now:

for (const model in resources.models) {
  if (!resources.models[model].modelDDBTable) {
    continue;
  }
  resources.models[model].modelDDBTable.deletionProtectionEnabled = true;
  resources.models[model].modelDDBTable.pointInTimeRecoverySpecification = {
    pointInTimeRecoveryEnabled: true,
  };
  resources.models[model].modelDDBTable.timeToLiveSpecification = {
    attributeName: '_ttl',
    enabled: false,
  };
}

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