From 3800fb1ab0302545f3e5b69d27a724a3b782af23 Mon Sep 17 00:00:00 2001
From: Jack Robison <jackrobison@lbry.io>
Date: Mon, 30 Aug 2021 13:36:24 -0400
Subject: [PATCH] make app backward compatible with `trending_score`

-update trending decay function to zero out low trending score values faster
---
 lbry/wallet/server/db/elasticsearch/constants.py | 1 +
 lbry/wallet/server/db/elasticsearch/search.py    | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/lbry/wallet/server/db/elasticsearch/constants.py b/lbry/wallet/server/db/elasticsearch/constants.py
index 8461c6ab7..1d93ba025 100644
--- a/lbry/wallet/server/db/elasticsearch/constants.py
+++ b/lbry/wallet/server/db/elasticsearch/constants.py
@@ -73,6 +73,7 @@ RANGE_FIELDS = {
 ALL_FIELDS = RANGE_FIELDS | TEXT_FIELDS | FIELDS
 
 REPLACEMENTS = {
+    'trending_mixed': 'trending_score'
     # 'name': 'normalized_name',
     'txid': 'tx_id',
     'nout': 'tx_nout',
diff --git a/lbry/wallet/server/db/elasticsearch/search.py b/lbry/wallet/server/db/elasticsearch/search.py
index ec8677d44..de1f6b59b 100644
--- a/lbry/wallet/server/db/elasticsearch/search.py
+++ b/lbry/wallet/server/db/elasticsearch/search.py
@@ -183,7 +183,7 @@ class SearchIndex:
         decay_factor = 2 * (2.0 ** (-1 / self._trending_half_life))
         decay_script = """
         if (ctx._source.trending_score == null) { ctx._source.trending_score = 0.0; }
-        if ((-0.000001 <= ctx._source.trending_score) && (ctx._source.trending_score <= 0.000001)) {
+        if ((-0.1 <= ctx._source.trending_score) && (ctx._source.trending_score <= 0.1)) {
             ctx._source.trending_score = 0.0;
         } else if (ctx._source.effective_amount >= %s) {
             ctx._source.trending_score *= %s;