Class: Zooline::Storage

Inherits:
Object
  • Object
show all
Defined in:
lib/zooline/storage.rb

Constant Summary collapse

JSON_FILE = 
"#{ENV['HOME']}/.zooline"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Storage

Public: initializes a Storage instance by loading in your persisted data.

Returns the Storage instance.



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# File 'lib/zooline/storage.rb', line 23

def initialize
  @bookmarks = []
  explode_json(json_file)
end

Instance Attribute Details

#bookmarks(o = nil) ⇒ Object

Public: the list of Lists in your JSON data, sorted by number of items descending.

Returns an Array of List objects.



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# File 'lib/zooline/storage.rb', line 40

def bookmarks(o = nil)
			if o == 'date'
@bookmarks.sort_by { |bk| -bk.added.to_i }
			elsif o == 'title'
@bookmarks.sort_by { |bk| bk.title }
			elsif o == 'uid'
@bookmarks.sort_by { |bk| bk.uid }
			else
@bookmarks.sort_by { |bk| -bk.added.to_i }
			end
end

Instance Method Details

#bookmark_exists?(title) ⇒ Boolean

Public: tests whether a named List exists.

name - the String name of a List

Returns true if found, false if not.

Returns:

  • (Boolean) 


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# File 'lib/zooline/storage.rb', line 57

def bookmark_exists?(title)
  @Bookmarks.detect { |bk| bk.title == title }
end

#bootstrap_json ⇒ Object

Takes care of bootstrapping the JSON file, both in terms of creating the file and in terms of creating a skeleton JSON schema.

Return true if successfully saved.



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# File 'lib/zooline/storage.rb', line 96

def bootstrap_json
  FileUtils.touch json_file
  save!
end

#check? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/zooline/storage.rb', line 9

def check?
	!(@bookmarks.nil? || @bookmarks.empty?)
end

#explode_json(json) ⇒ Object

Take a JSON representation of data and explode it out into the consituent Lists and Items for the given Storage instance.

Returns nothing.



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# File 'lib/zooline/storage.rb', line 82

def explode_json(json)
  bootstrap_json unless File.exist?(json)

  storage = Yajl::Parser.new.parse(File.new(json, 'r'))

  storage.each do |bookmark|
    @bookmarks << bk = Bookmark.new(bookmark['content'])
  end
end

#json_file ⇒ Object

Public: the path to the JSON file used by boom.

Returns the String path of boom’s JSON representation.



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# File 'lib/zooline/storage.rb', line 16

def json_file
  JSON_FILE
end

#save! ⇒ Object

Public: persists your in-memory objects to disk in JSON format.

Returns true if successful, false if unsuccessful.



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# File 'lib/zooline/storage.rb', line 64

def save!
  File.open(json_file, 'w') {|f| f.write(to_json) }
end

#to_json ⇒ Object

Public: the JSON representation of the current List and Item assortment attached to the Storage instance.

Returns a String JSON representation of its Lists and their Items.



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# File 'lib/zooline/storage.rb', line 72

def to_json
  Yajl::Encoder.encode(bookmarks.collect{|b| b.to_hash }, :pretty => true)
end