From 6a72b3683e617658ad5d74959f5563b27d8967fe Mon Sep 17 00:00:00 2001
From: Job Evers-Meltzer <jobevers@users.noreply.github.com>
Date: Wed, 28 Sep 2016 09:07:25 -0700
Subject: [PATCH] send Download Started event

---
 lbrynet/analytics/events.py          | 29 ++++++++++++++++++++++++++++
 lbrynet/lbrynet_daemon/LBRYDaemon.py |  6 +++++-
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/lbrynet/analytics/events.py b/lbrynet/analytics/events.py
index 3f6e58135..8b1c63287 100644
--- a/lbrynet/analytics/events.py
+++ b/lbrynet/analytics/events.py
@@ -1,6 +1,21 @@
+import logging
+
 from lbrynet.analytics import utils
 
 
+log = logging.getLogger(__name__)
+
+
+def get_sd_hash(stream_info):
+    if not stream_info:
+        return None
+    try:
+        return stream_info['sources']['lbry_sd_hash']
+    except (KeyError, TypeError, ValueError):
+        log.debug('Failed to get sd_hash from %s', stream_info, exc_info=True)
+        return None
+
+
 class Events(object):
     def __init__(self, context, lbry_id, session_id):
         self.context = context
@@ -19,6 +34,20 @@ class Events(object):
             'timestamp': utils.now()
         }
 
+    def download_started(self, name, stream_info=None):
+        return {
+            'userId': 'lbry',
+            'event': 'Download Started',
+            'properties': {
+                'lbry_id': self.lbry_id,
+                'session_id': self.session_id,
+                'name': name,
+                'stream_info': get_sd_hash(stream_info)
+            },
+            'context': self.context,
+            'timestamp': utils.now()
+        }
+
 
 def make_context(platform, wallet, is_dev=False):
     # TODO: distinguish between developer and release instances
diff --git a/lbrynet/lbrynet_daemon/LBRYDaemon.py b/lbrynet/lbrynet_daemon/LBRYDaemon.py
index 17157e38b..ce7ea97af 100644
--- a/lbrynet/lbrynet_daemon/LBRYDaemon.py
+++ b/lbrynet/lbrynet_daemon/LBRYDaemon.py
@@ -561,10 +561,13 @@ class LBRYDaemon(jsonrpc.JSONRPC):
         self.send_heartbeat.start(60)
 
     def _send_heartbeat(self):
-        log.debug('Sending heartbeat')
         heartbeat = self._events.heartbeat()
         self.analytics_api.track(heartbeat)
 
+    def _send_download_started(self, name, stream_info=None):
+        event = self._events.download_started(name, stream_info)
+        self.analytics_api.track(event)
+
     def _get_platform(self):
         r =  {
             "processor": platform.processor(),
@@ -1129,6 +1132,7 @@ class LBRYDaemon(jsonrpc.JSONRPC):
         Add a lbry file to the file manager, start the download, and return the new lbry file.
         If it already exists in the file manager, return the existing lbry file
         """
+        self._send_download_started(name)
         helper = _DownloadNameHelper(
             self, name, timeout, download_directory, file_name, wait_for_write)