blob: 75d5a5df74b110896bacefd421f3ff69f1b05fe4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
# frozen_string_literal: true
#
module Gitlab
module DiscussionsDiff
class HighlightCache
class << self
VERSION = 1
EXPIRATION = 1.week
# Sets multiple keys to a given value. The value
# is serialized as JSON.
#
# mapping - Write multiple cache values at once
def write_multiple(mapping)
Redis::Cache.with do |redis|
redis.multi do |multi|
mapping.each do |raw_key, value|
key = cache_key_for(raw_key)
multi.set(key, value.to_json, ex: EXPIRATION)
end
end
end
end
# Reads multiple cache keys at once.
#
# raw_keys - An Array of unique cache keys, without namespaces.
#
# It returns a list of deserialized diff lines. Ex.:
# [[Gitlab::Diff::Line, ...], [Gitlab::Diff::Line]]
def read_multiple(raw_keys)
return [] if raw_keys.empty?
keys = raw_keys.map { |id| cache_key_for(id) }
content =
Redis::Cache.with do |redis|
redis.mget(keys)
end
content.map! do |lines|
next unless lines
Gitlab::Json.parse(lines).map! do |line|
Gitlab::Diff::Line.safe_init_from_hash(line)
end
end
end
# Clears multiple cache keys at once.
#
# raw_keys - An Array of unique cache keys, without namespaces.
#
# It returns the number of cache keys cleared. Ex.: 42
def clear_multiple(raw_keys)
return [] if raw_keys.empty?
keys = raw_keys.map { |id| cache_key_for(id) }
Redis::Cache.with { |redis| redis.del(keys) }
end
def cache_key_for(raw_key)
"#{cache_key_prefix}:#{raw_key}"
end
private
def cache_key_prefix
"#{Redis::Cache::CACHE_NAMESPACE}:#{VERSION}:discussion-highlight"
end
end
end
end
end
|
