From a735725d116c3e8dca2b4d1cad3425bcd473311c Mon Sep 17 00:00:00 2001
From: George Goldberg <george@gberg.me>
Date: Wed, 7 Feb 2018 18:15:07 +0000
Subject: XYZ-59: Implement redis caching layer for Role store. (#8207)

* XYZ-59: Implement redis caching layer for Role store.

* Use variable for key where used more than once.
---
 store/redis_supplier_reactions.go | 57 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 store/redis_supplier_reactions.go

(limited to 'store/redis_supplier_reactions.go')

diff --git a/store/redis_supplier_reactions.go b/store/redis_supplier_reactions.go
new file mode 100644
index 000000000..cece8113d
--- /dev/null
+++ b/store/redis_supplier_reactions.go
@@ -0,0 +1,57 @@
+// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package store
+
+import (
+	"context"
+
+	l4g "github.com/alecthomas/log4go"
+
+	"github.com/mattermost/mattermost-server/model"
+)
+
+func (s *RedisSupplier) ReactionSave(ctx context.Context, reaction *model.Reaction, hints ...LayeredStoreHint) *LayeredStoreSupplierResult {
+	if err := s.client.Del("reactions:" + reaction.PostId).Err(); err != nil {
+		l4g.Error("Redis failed to remove key reactions:" + reaction.PostId + " Error: " + err.Error())
+	}
+	return s.Next().ReactionSave(ctx, reaction, hints...)
+}
+
+func (s *RedisSupplier) ReactionDelete(ctx context.Context, reaction *model.Reaction, hints ...LayeredStoreHint) *LayeredStoreSupplierResult {
+	if err := s.client.Del("reactions:" + reaction.PostId).Err(); err != nil {
+		l4g.Error("Redis failed to remove key reactions:" + reaction.PostId + " Error: " + err.Error())
+	}
+	return s.Next().ReactionDelete(ctx, reaction, hints...)
+}
+
+func (s *RedisSupplier) ReactionGetForPost(ctx context.Context, postId string, hints ...LayeredStoreHint) *LayeredStoreSupplierResult {
+	var resultdata []*model.Reaction
+	found, err := s.load("reactions:"+postId, &resultdata)
+	if found {
+		result := NewSupplierResult()
+		result.Data = resultdata
+		return result
+	}
+	if err != nil {
+		l4g.Error("Redis encountered an error on read: " + err.Error())
+	}
+
+	result := s.Next().ReactionGetForPost(ctx, postId, hints...)
+
+	if err := s.save("reactions:"+postId, result.Data, REDIS_EXPIRY_TIME); err != nil {
+		l4g.Error("Redis encountered and error on write: " + err.Error())
+	}
+
+	return result
+}
+
+func (s *RedisSupplier) ReactionDeleteAllWithEmojiName(ctx context.Context, emojiName string, hints ...LayeredStoreHint) *LayeredStoreSupplierResult {
+	// Ignoring this. It's probably OK to have the emoji slowly expire from Redis.
+	return s.Next().ReactionDeleteAllWithEmojiName(ctx, emojiName, hints...)
+}
+
+func (s *RedisSupplier) ReactionPermanentDeleteBatch(ctx context.Context, endTime int64, limit int64, hints ...LayeredStoreHint) *LayeredStoreSupplierResult {
+	// Ignoring this. It's probably OK to have the emoji slowly expire from Redis.
+	return s.Next().ReactionPermanentDeleteBatch(ctx, endTime, limit, hints...)
+}
-- 
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