Module: WebCache::CacheOperations

Included in:
WebCache, WebCache
Defined in:
lib/webcache/cache_operations.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#dir ⇒ Object 



34
35
36
 
# File 'lib/webcache/cache_operations.rb', line 34

def dir
  @dir ||= 'cache'
end

#last_error ⇒ Object (readonly)

Returns the value of attribute last_error.



8
9
10
 
# File 'lib/webcache/cache_operations.rb', line 8

def last_error
  @last_error
end

Instance Method Details

#cached?(url) ⇒ Boolean

Returns:

  • (Boolean) 


38
39
40
41
 
# File 'lib/webcache/cache_operations.rb', line 38

def cached?(url)
  path = get_path url
  File.exist?(path) and !stale?(path)
end

#clear(url) ⇒ Object 



55
56
57
58
 
# File 'lib/webcache/cache_operations.rb', line 55

def clear(url)
  path = get_path url
  FileUtils.rm path if File.exist? path
end

#disable ⇒ Object 



51
52
53
 
# File 'lib/webcache/cache_operations.rb', line 51

def disable
  @enabled = false
end

#enable ⇒ Object 



47
48
49
 
# File 'lib/webcache/cache_operations.rb', line 47

def enable
  @enabled = true
end

#enabled? ⇒ Boolean

Returns:

  • (Boolean) 


43
44
45
 
# File 'lib/webcache/cache_operations.rb', line 43

def enabled?
  @enabled ||= (@enabled.nil? ? true : @enabled)
end

#flush ⇒ Object 



60
61
62
 
# File 'lib/webcache/cache_operations.rb', line 60

def flush
  FileUtils.rm_rf dir if Dir.exist? dir
end

#get(url, force: false) ⇒ Object 



17
18
19
20
21
22
23
24
 
# File 'lib/webcache/cache_operations.rb', line 17

def get(url, force: false)
  return http_get url unless enabled?

  path = get_path url
  clear url if force or stale? path

  get! path, url
end

#initialize(dir: 'cache', life: '1h') ⇒ Object 



11
12
13
14
15
 
# File 'lib/webcache/cache_operations.rb', line 11

def initialize(dir: 'cache', life: '1h')
  @dir = dir
  @life = life_to_seconds life
  @enabled = true
end

#life ⇒ Object 



26
27
28
 
# File 'lib/webcache/cache_operations.rb', line 26

def life
  @life ||= 3600
end

#life=(new_life) ⇒ Object 



30
31
32
 
# File 'lib/webcache/cache_operations.rb', line 30

def life=(new_life)
  @life = life_to_seconds new_life
end

#options ⇒ Object 



64
65
66
 
# File 'lib/webcache/cache_operations.rb', line 64

def options
  @options ||= default_open_uri_options
end