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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License
     15  */
     16 package com.android.voicemail.impl.transcribe;
     17 
     18 import android.content.Context;
     19 import android.os.Build;
     20 import com.android.dialer.configprovider.ConfigProviderBindings;
     21 import java.util.concurrent.TimeUnit;
     22 
     23 /** Provides configuration values needed to connect to the transcription server. */
     24 public class TranscriptionConfigProvider {
     25   private final Context context;
     26 
     27   public TranscriptionConfigProvider(Context context) {
     28     this.context = context;
     29   }
     30 
     31   public boolean isVoicemailTranscriptionAvailable() {
     32     return Build.VERSION.SDK_INT >= Build.VERSION_CODES.O
     33         && ConfigProviderBindings.get(context)
     34             .getBoolean("voicemail_transcription_available", false);
     35   }
     36 
     37   public String getServerAddress() {
     38     // Private voicemail transcription service
     39     return ConfigProviderBindings.get(context)
     40         .getString(
     41             "voicemail_transcription_server_address", "voicemailtranscription-pa.googleapis.com");
     42   }
     43 
     44   public String getApiKey() {
     45     // Android API key restricted to com.google.android.dialer
     46     return ConfigProviderBindings.get(context)
     47         .getString(
     48             "voicemail_transcription_client_api_key", "AIzaSyAXdDnif6B7sBYxU8hzw9qAp3pRPVHs060");
     49   }
     50 
     51   public String getAuthToken() {
     52     return null;
     53   }
     54 
     55   public boolean shouldUsePlaintext() {
     56     return ConfigProviderBindings.get(context)
     57         .getBoolean("voicemail_transcription_server_use_plaintext", false);
     58   }
     59 
     60   public boolean shouldUseSyncApi() {
     61     return ConfigProviderBindings.get(context)
     62         .getBoolean("voicemail_transcription_server_use_sync_api", false);
     63   }
     64 
     65   public long getMaxTranscriptionRetries() {
     66     return ConfigProviderBindings.get(context)
     67         .getLong("voicemail_transcription_max_transcription_retries", 2L);
     68   }
     69 
     70   public int getMaxGetTranscriptPolls() {
     71     return (int)
     72         ConfigProviderBindings.get(context)
     73             .getLong("voicemail_transcription_max_get_transcript_polls", 20L);
     74   }
     75 
     76   public long getInitialGetTranscriptPollDelayMillis() {
     77     return ConfigProviderBindings.get(context)
     78         .getLong(
     79             "voicemail_transcription_get_initial_transcript_poll_delay_millis",
     80             TimeUnit.SECONDS.toMillis(1));
     81   }
     82 
     83   public long getMaxGetTranscriptPollTimeMillis() {
     84     return ConfigProviderBindings.get(context)
     85         .getLong(
     86             "voicemail_transcription_get_max_transcript_poll_time_millis",
     87             TimeUnit.MINUTES.toMillis(20));
     88   }
     89 
     90   public boolean isVoicemailDonationAvailable() {
     91     return ConfigProviderBindings.get(context)
     92         .getBoolean("voicemail_transcription_donation_available", false);
     93   }
     94 
     95   public boolean useClientGeneratedVoicemailIds() {
     96     return ConfigProviderBindings.get(context)
     97         .getBoolean("voicemail_transcription_client_generated_voicemail_ids", false);
     98   }
     99 
    100   @Override
    101   public String toString() {
    102     return String.format(
    103         "{ address: %s, api key: %s, auth token: %s, plaintext: %b, sync: %b, retries: %d, polls:"
    104             + " %d, poll ms: %d }",
    105         getServerAddress(),
    106         getApiKey(),
    107         getAuthToken(),
    108         shouldUsePlaintext(),
    109         shouldUseSyncApi(),
    110         getMaxTranscriptionRetries(),
    111         getMaxGetTranscriptPolls(),
    112         getMaxGetTranscriptPollTimeMillis());
    113   }
    114 }
    115