Class: Gumdrop::DataManager

Inherits:
Object
  • Object
show all
Defined in:
lib/gumdrop/data_manager.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(site, data_dir = "./data") ⇒ DataManager

Returns a new instance of DataManager.



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# File 'lib/gumdrop/data_manager.rb', line 12

def initialize(site, data_dir="./data")
  @site= site
  @dir= File.expand_path data_dir
  @cache= {}
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(key, value = nil) ⇒ Object 



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# File 'lib/gumdrop/data_manager.rb', line 18

def method_missing(key, value=nil)
  cache_dataset(key)
  @cache[key]
end

Instance Attribute Details

#cache ⇒ Object (readonly)

Returns the value of attribute cache.



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# File 'lib/gumdrop/data_manager.rb', line 10

def cache
  @cache
end

Instance Method Details

#load_from_file(filename) ⇒ Object

Exposing these publicly because, well, they’re useful:



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# File 'lib/gumdrop/data_manager.rb', line 48

def load_from_file( filename )
  ext=File.extname(filename)
  if ext == '.yamldoc' or ext == '.ymldoc'
    load_from_yamldoc filename
  elsif ext == '.yamldb' or ext == '.ymldb'
    load_from_yamldb filename
  elsif ext == '.yaml' or ext == '.yml' or ext == '.json'
    hashes2ostruct( YAML.load_file(filename)  )
  else
    # raise "Unknown data type (#{ext}) for #{filename}"
    Gumdrop.report "Unknown data type (#{ext}) for #{filename}", :warning
    nil
  end
end

#load_yamldoc(filename, source = nil) ⇒ Object 



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# File 'lib/gumdrop/data_manager.rb', line 62

def load_yamldoc(filename, source=nil)
  load_from_yamldoc filename, source
end

#pager_for(key, opts = {}) ⇒ Object 



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# File 'lib/gumdrop/data_manager.rb', line 35

def pager_for(key, opts={})
  base_path= opts.fetch(:base_path, 'page')
  page_size= opts.fetch(:page_size, 5)
  data= if key.is_a? Symbol
    cache_dataset(key)
    @cache[key]
  else
    key
  end
  Pager.new( data, base_path, page_size )
end

#reset ⇒ Object 



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# File 'lib/gumdrop/data_manager.rb', line 27

def reset
  @cache={}
end

#set(key, value) ⇒ Object 



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# File 'lib/gumdrop/data_manager.rb', line 23

def set(key, value)
  @cache[key]= value
end

#site(pattern = nil, opts = {}) ⇒ Object 



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# File 'lib/gumdrop/data_manager.rb', line 31

def site(pattern=nil, opts={})
  @site.contents(pattern, opts)
end