From 3efa032e32c5eb2ce325e7141f431b5eae32cee0 Mon Sep 17 00:00:00 2001
From: Daniel Wood <daniel@woods.us>
Date: Sat, 5 Sep 2020 16:17:09 -0700
Subject: [PATCH] Create GVoice2Drive.js

---
 GVoice2Drive.js | 118 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 GVoice2Drive.js

diff --git a/GVoice2Drive.js b/GVoice2Drive.js
new file mode 100644
index 0000000..8aaf496
--- /dev/null
+++ b/GVoice2Drive.js
@@ -0,0 +1,118 @@
+function GVoice2Drive() {
+    // User Adjustable Variables
+    var fileNamePrefix = "Voicemail_";        // Prefix applies to all MP3 files
+    var folder, folder_name = "Google Voice"; // Folder or path in Google Drive where MP3s are saved
+    var archive, gmail_label = "GV2Drive";    // Gmail label applied to processed voicemails
+    var enableDebugging = false;              // Enables extra logging info for debugging purposes
+
+    // Function to set file modified date to custom value  
+    function DriveAPI_setFileModifiedDate(newModifiedTime, fileId) {
+        var url = "https://www.googleapis.com/drive/v3/files/" + fileId;
+        var params = {
+            method: "patch",
+            headers: { Authorization: "Bearer " + ScriptApp.getOAuthToken() },
+            payload: JSON.stringify({ modifiedTime: newModifiedTime }),
+            contentType: "application/json",
+        };
+        UrlFetchApp.fetch(url, params);
+    }
+
+    // Create CRON trigger if none exists.
+    if (ScriptApp.getProjectTriggers()[0] == null) {
+        // Trigger every 5 minutes.
+        let timerMinutes = 5;
+        Logger.log('No Triggers found for this project, creating default %s minute timer.', timerMinutes);
+        // If you change the function name from GVoice2Drive, change below to catch the trigger.
+        ScriptApp.newTrigger('GVoice2Drive')
+            .timeBased()
+            .everyMinutes(timerMinutes)
+            .create();
+    }
+
+    // Find unprocessed Google Voice messages in Gmail
+    var filter = "from:voice-noreply@google.com -label:" + gmail_label;
+
+    // Process up to 10 emails per call.
+    var threads = GmailApp.search(filter, 0, 10);
+    if (threads.length) {
+
+        // Google Drive folder where the MP3 files will be saved
+        let folders = DriveApp.getFoldersByName(folder_name);
+        let folder = folders.hasNext() ? folders.next() : DriveApp.createFolder(folder_name);
+
+        /* Gmail Label that is applied to processed voice mails */
+        archive = GmailApp.getUserLabelByName(gmail_label) ?
+            GmailApp.getUserLabelByName(gmail_label) : GmailApp.createLabel(gmail_label);
+
+        for (var x = 0; x < threads.length; x++) {
+
+            var msg = threads[x].getMessages()[0];
+
+            /* Find the link to play the voice mail message */
+            regexp = /https\:\/\/www.google.com\/voice\/fm[^\"]*/;
+            var url = msg.getBody().match(regexp);
+
+            if (url) {
+                Logger.log('URL: %s', url);
+                Logger.log('SUBJ: %s', msg.getSubject());
+
+                // Extract the name or number of the voice sender
+                regexp = /new voicemail from (.*)/i;
+                var subject = msg.getSubject().match(regexp);
+
+                // Add the voice mail datetime to the file name
+                var file_date = Utilities.formatDate(
+                    msg.getDate(), Session.getScriptTimeZone(), "yyyyMMddHHmm");
+
+                if (subject) {
+                    // Strip non-alphanumerics
+                    regexp = /[^0-9a-z]/gi;
+                    let callerID = subject[1].replace(regexp, '');
+                    Logger.log('CallerID: %s', callerID);
+
+
+                    // Extract the audio url and save it to Drive
+                    var mp3 = url[0].replace("/voice/fm/", "/voice/media/svm/");
+                    var file = folder.createFile(UrlFetchApp.fetch(mp3).getBlob());
+
+                    // Ignore "https://voice.google.com>", capture any text, ignore "play message\r\n\https://www.google.com/voice/fm"
+                    regexp = /(?:\<https\:\/\/voice\.google\.com\>[\s]{2})([\s\S]*)(?:play\ message[\s]{1,2}\<https\:\/\/www\.google\.com\/voice\/fm\/)/;
+                    let Transcript = msg.getPlainBody().match(regexp);
+                    if (Transcript[1]) {
+                        fileDescription = 'Transcript: ' + Transcript[1];
+                        file.setName(fileNamePrefix + callerID + "_" + file_date + ".mp3");
+                    } else {
+                        file.setName(fileNamePrefix + callerID + "_" + file_date + "_NoTranscript.mp3");
+                        fileDescription = 'Transcript: ' + Transcript[1];
+                    }
+                    // Save the voice mail transcript as the GDrive File Description.
+                    file.setDescription(fileDescription);
+                    Logger.log(fileDescription);
+
+                    if (enableDebugging) {
+                        Logger.log('Transcript: %s', Transcript);
+                        Logger.log('Transcript.stringify: %s', JSON.stringify(Transcript));
+                        Logger.log('Transcript[0]: %s', Transcript[0]);
+                        Logger.log('Transcript[1].stringify: %s', JSON.stringify(Transcript[1]));
+                        Logger.log('getPlainBody: %s', encodeURI(msg.getPlainBody()));
+                        Logger.log('getPlainBody: %s', msg.getPlainBody());
+                        Logger.log('getBody: %s', msg.getBody());
+                        Logger.log('file.getName: %s', file.getName());
+                        Logger.log('file.getId: %s', file.getId());
+                    }
+                    // Change the modified datetime to when the email arrived.
+                    DriveAPI_setFileModifiedDate(msg.getDate(), file.getId());
+
+                } else {
+                    Logger.log('No Matching Subject.');
+                }
+            } else {
+                Logger.log('No Matching URL found.');
+            }
+            // Only archive processed emails.
+            threads[x].addLabel(archive);
+        }
+    } else {
+        Logger.log('No New Voicemails found.');
+    }
+}
\ No newline at end of file