Class: Rails::Cache::Debugger

Inherits:
Object
  • Object
show all
Defined in:
lib/rails/cache/debugger.rb,
lib/rails/cache/debugger/railtie.rb,
lib/rails/cache/debugger/version.rb,
lib/rails/cache/debugger/subscriber.rb,
lib/rails/cache/debugger/configuration.rb

Defined Under Namespace

Classes: Configuration, Railtie, Subscriber

Constant Summary collapse

VERSION = 
"0.1.0"

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cache) ⇒ Debugger

Returns a new instance of Debugger.



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# File 'lib/rails/cache/debugger.rb', line 26

def initialize(cache)
  @cache = cache
end

Class Method Details

.configuration ⇒ Object 



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# File 'lib/rails/cache/debugger.rb', line 17

def configuration
  @configuration ||= Configuration.new
end

.configure {|configuration| ... } ⇒ Object

Yields:



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# File 'lib/rails/cache/debugger.rb', line 21

def configure
  yield configuration
end

.log(message) ⇒ Object 



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# File 'lib/rails/cache/debugger.rb', line 13

def log(message)
  puts message
end

Instance Method Details

#delete(key, **options) ⇒ Object 



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# File 'lib/rails/cache/debugger.rb', line 56

def delete(key, **options)
  start_time = Time.now
  result = @cache.delete(key, **options)
  duration = ((Time.now - start_time) * 1000).round(2)
  log_cache_event(
    event: "cache_delete",
    key: key,
    duration: duration
  )
  result
end

#exist?(key, **options) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rails/cache/debugger.rb', line 68

def exist?(key, **options)
  start_time = Time.now
  exists = @cache.exist?(key, **options)
  duration = ((Time.now - start_time) * 1000).round(2)
  log_cache_event(
    event: "cache_exist",
    key: key,
    exists: exists,
    duration: duration
  )
  exists
end

#fetch(key, **options) ⇒ Object 



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# File 'lib/rails/cache/debugger.rb', line 81

def fetch(key, **options)
  start_time = Time.now
  value = @cache.read(key, **options)
  if value.nil?
    value = yield
    @cache.write(key, value, **options)
    duration = ((Time.now - start_time) * 1000).round(2)
    log_cache_event(
      event: "cache_fetch.miss",
      key: key,
      value: value,
      duration: duration
    )
  else
    duration = ((Time.now - start_time) * 1000).round(2)
    log_cache_event(
      event: "cache_fetch.hit",
      key: key,
      value: value,
      duration: duration
    )
  end
  value
end

#read(key, **options) ⇒ Object 



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# File 'lib/rails/cache/debugger.rb', line 30

def read(key, **options)
  start_time = Time.now
  value = @cache.read(key, **options)
  duration = ((Time.now - start_time) * 1000).round(2)
  log_cache_event(
    event: value.nil? ? "cache_read.miss" : "cache_read.hit",
    key: key,
    value: value,
    duration: duration
  )
  value
end

#write(key, value, **options) ⇒ Object 



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# File 'lib/rails/cache/debugger.rb', line 43

def write(key, value, **options)
  start_time = Time.now
  result = @cache.write(key, value, **options)
  duration = ((Time.now - start_time) * 1000).round(2)
  log_cache_event(
    event: "cache_write",
    key: key,
    value: value,
    duration: duration
  )
  result
end