Class: MatrixSdk::Util::TinycacheAdapter

Inherits:
Object
  • Object
show all
Extended by:
Extensions
Defined in:
lib/matrix_sdk/util/tinycache_adapter.rb

Defined Under Namespace

Classes: Value

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Extensions

events, ignore_inspect

Constructor Details

#initialize ⇒ TinycacheAdapter

Returns a new instance of TinycacheAdapter.



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# File 'lib/matrix_sdk/util/tinycache_adapter.rb', line 11

def initialize
  @config = {}

  clear
end

Instance Attribute Details

#client ⇒ Object

Returns the value of attribute client.



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# File 'lib/matrix_sdk/util/tinycache_adapter.rb', line 7

def client
  @client
end

#config ⇒ Object

Returns the value of attribute config.



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# File 'lib/matrix_sdk/util/tinycache_adapter.rb', line 7

def config
  @config
end

Instance Method Details

#cleanup ⇒ Object 



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# File 'lib/matrix_sdk/util/tinycache_adapter.rb', line 71

def cleanup
  @cache.select { |_, v| v.expired? }.each { |_, v| v.value = nil }
end

#clear ⇒ Object 



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# File 'lib/matrix_sdk/util/tinycache_adapter.rb', line 67

def clear
  @cache = {}
end

#delete(key) ⇒ Object 



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# File 'lib/matrix_sdk/util/tinycache_adapter.rb', line 54

def delete(key)
  return false unless exist?(key)

  cache.delete key
  true
end

#exist?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/matrix_sdk/util/tinycache_adapter.rb', line 34

def exist?(key)
  cache.key?(key)
end

#expire(key) ⇒ Object 



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# File 'lib/matrix_sdk/util/tinycache_adapter.rb', line 61

def expire(key)
  return unless exist? key

  cache[key].expires_at = Time.at(0)
end

#fetch(key, expires_in: nil, cache_level: nil, **_opts) ⇒ Object 



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# File 'lib/matrix_sdk/util/tinycache_adapter.rb', line 42

def fetch(key, expires_in: nil, cache_level: nil, **_opts)
  expires_in ||= config.dig(key, :expires)
  cache_level ||= client&.cache
  cache_level ||= :all
  cache_level = Tinycache::CACHE_LEVELS[cache_level]

  return read(key) if exist?(key) && !cache[key].expired?

  value = yield
  write(key, value, expires_in: expires_in, cache_level: cache_level)
end

#read(key) ⇒ Object 



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# File 'lib/matrix_sdk/util/tinycache_adapter.rb', line 17

def read(key)
  cache[key]&.value
end

#valid?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/matrix_sdk/util/tinycache_adapter.rb', line 38

def valid?(key)
  exist?(key) && !cache[key].expired?
end

#write(key, value, expires_in: nil, cache_level: nil) ⇒ Object 



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# File 'lib/matrix_sdk/util/tinycache_adapter.rb', line 21

def write(key, value, expires_in: nil, cache_level: nil)
  expires_in ||= config.dig(key, :expires)
  expires_in ||= 24 * 60 * 60
  cache_level ||= client&.cache
  cache_level ||= :all
  cache_level = Tinycache::CACHE_LEVELS[cache_level] unless cache_level.is_a? Integer

  return value if cache_level < Tinycache::CACHE_LEVELS[config.dig(key, :level) || :none]

  cache[key] = Value.new(value, Time.now, Time.now + expires_in)
  value
end