```ruby
# The hope is to make this the start of ripping out the
# oauth connection functions out of the model and into
# service classes
class Util::Wallet::ConnectionSyncer
  def self.build
    new
  end

  def call(publisher:)
    selected_wallet = publisher.selected_wallet_provider

    # Could make this dynamic, but the intention is to add typing and make this a union type
    # for exhaustiveness checking. Spelling it out to reduce magic in the codebase.
    syncer = case selected_wallet
    in UpholdConnection
      Uphold::WalletConnectionSyncer
    in GeminiConnection
      Gemini::WalletConnectionSyncer
    in BitflyerConnection
      Bitflyer::WalletConnectionSyncer
    else
      # Until we have sorbet typing with exhaustive checks, log any data problems in new relic
      LogException.perform(StandardError.new("Unknown Wallet Provider type: #{selected_wallet}"))
      nil
    end

    syncer&.build&.call(connection: selected_wallet)
  end
end
```

Add Exception Handling to Connection Sync Login
user
```ruby
# The hope is to make this the start of ripping out the
# oauth connection functions out of the model and into
# service classes
class Util::Wallet::ConnectionSyncer
  def self.build
    new
  end

  def call(publisher:)
    selected_wallet = publisher.selected_wallet_provider

    # Could make this dynamic, but the intention is to add typing and make this a union type
    # for exhaustiveness checking. Spelling it out to reduce magic in the codebase.
    syncer = case selected_wallet
    in UpholdConnection
      Uphold::WalletConnectionSyncer
    in GeminiConnection
      Gemini::WalletConnectionSyncer
    in BitflyerConnection
      Bitflyer::WalletConnectionSyncer
    else
      # Until we have sorbet typing with exhaustive checks, log any data problems in new relic
      LogException.perform(StandardError.new("Unknown Wallet Provider type: #{selected_wallet}"))
      nil
    end

    begin
      syncer&.build&.call(connection: selected_wallet)
    rescue => e
      LogException.perform("Error trying to refresh wallet credentials for publisher #{publisher.id} on login. Error: #{e}")
    end
  end
end
```
assistant