Module: Redcord::VacuumHelper

Extended by:
T::Helpers, T::Sig
Defined in:
lib/redcord/vacuum_helper.rb

Overview

typed: strict

Class Method Summary collapse

Class Method Details

._remove_stale_ids_from_set(model, set_key) ⇒ Object 



62
63
64
65
66
67
68
 
# File 'lib/redcord/vacuum_helper.rb', line 62

def self._remove_stale_ids_from_set(model, set_key)
  model.redis.sscan_each(set_key) do |id|
    if !model.redis.exists?("#{model.model_key}:id:#{id}")
      model.redis.srem(set_key, id)
    end
  end
end

._remove_stale_ids_from_sorted_set(model, sorted_set_key) ⇒ Object 



71
72
73
74
75
76
77
 
# File 'lib/redcord/vacuum_helper.rb', line 71

def self._remove_stale_ids_from_sorted_set(model, sorted_set_key)
  model.redis.zscan_each(sorted_set_key) do |id, _|
    if !model.redis.exists?("#{model.model_key}:id:#{id}")
      model.redis.zrem(sorted_set_key, id)
    end
  end
end

._remove_stale_records_from_custom_index(model, hash_tag, index_name) ⇒ Object 



80
81
82
83
84
85
86
87
88
89
 
# File 'lib/redcord/vacuum_helper.rb', line 80

def self._remove_stale_records_from_custom_index(model, hash_tag, index_name)
  index_key = "#{model.model_key}:custom_index:#{index_name}#{hash_tag}"
  index_content_key = "#{model.model_key}:custom_index:#{index_name}_content#{hash_tag}"
  model.redis.hscan_each(index_content_key).each do |id, index_string|
    if !model.redis.exists?("#{model.model_key}:id:#{id}")
      model.redis.hdel(index_content_key, id)
      model.redis.zremrangebylex(index_key, "[#{index_string}", "[#{index_string}")
    end
  end
end

._vacuum_custom_index(model, index_name) ⇒ Object 



51
52
53
54
55
56
57
58
59
 
# File 'lib/redcord/vacuum_helper.rb', line 51

def self._vacuum_custom_index(model, index_name)
  key_suffix = model.shard_by_attribute.nil? ? nil : '{*}'
  custom_index_content_key = "#{model.model_key}:custom_index:#{index_name}_content"

  model.redis.scan_each_shard("#{custom_index_content_key}#{key_suffix}") do |key|
    hash_tag = key.split(custom_index_content_key)[1] || ""
    _remove_stale_records_from_custom_index(model, hash_tag, index_name)
  end
end

._vacuum_index_attribute(model, index_attr) ⇒ Object 



26
27
28
29
30
31
 
# File 'lib/redcord/vacuum_helper.rb', line 26

def self._vacuum_index_attribute(model, index_attr)
  # Scan through all index attribute values by matching on Redcord:Model:index_attr:*
  model.redis.scan_each_shard("#{model.model_key}:#{index_attr}:*") do |key|
    _remove_stale_ids_from_set(model, key)
  end
end

._vacuum_range_index_attribute(model, range_index_attr) ⇒ Object 



34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
 
# File 'lib/redcord/vacuum_helper.rb', line 34

def self._vacuum_range_index_attribute(model, range_index_attr)
  key_suffix = model.shard_by_attribute.nil? ? nil : '{*}'
  range_index_set_key = "#{model.model_key}:#{range_index_attr}"
  range_index_set_nil_key = "#{range_index_set_key}:"

  # Handle nil values for range index attributes, which are stored in a normal
  # set at Redcord:Model:range_index_attr:
  model.redis.scan_each_shard("#{range_index_set_nil_key}#{key_suffix}") do |key|
    _remove_stale_ids_from_set(model, key)
  end

  model.redis.scan_each_shard("#{range_index_set_key}#{key_suffix}") do |key|
    _remove_stale_ids_from_sorted_set(model, key)
  end
end

.vacuum(model) ⇒ Object 



10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
# File 'lib/redcord/vacuum_helper.rb', line 10

def self.vacuum(model)
  model.class_variable_get(:@@index_attributes).each do |index_attr|
    puts "Vacuuming index attribute: #{index_attr}"
    _vacuum_index_attribute(model, index_attr)
  end
  model.class_variable_get(:@@range_index_attributes).each do |range_index_attr|
    puts "Vacuuming range index attribute: #{range_index_attr}"
    _vacuum_range_index_attribute(model, range_index_attr)
  end
  model.class_variable_get(:@@custom_index_attributes).keys.each do |index_name|
    puts "Vacuuming custom index: #{index_name}"
    _vacuum_custom_index(model, index_name)
  end
end