Class: Hollybush::List

Inherits:
Object
  • Object
show all
Extended by:
ActiveModel::Naming
Includes:
ActiveModel::Conversion, ActiveModel::Validations, Enumerable
Defined in:
lib/hollybush/list.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attributes = {}) ⇒ List

Returns a new instance of List.



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# File 'lib/hollybush/list.rb', line 12

def initialize(attributes = {})
  update_attributes(attributes)
  @entries = [] unless @entries      
  @id = attributes["_id"].to_s if attributes.include?("_id")
end

Instance Attribute Details

#entries ⇒ Object

Returns the value of attribute entries.



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# File 'lib/hollybush/list.rb', line 9

def entries
  @entries
end

#id ⇒ Object

Returns the value of attribute id.



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# File 'lib/hollybush/list.rb', line 9

def id
  @id
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/hollybush/list.rb', line 9

def name
  @name
end

Class Method Details

.count(query = {}) ⇒ Object 



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# File 'lib/hollybush/list.rb', line 95

def self.count(query = {})
  coll.find(query, :fields => []).count
end

.create(attributes) ⇒ Object 



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# File 'lib/hollybush/list.rb', line 31

def self.create(attributes)
  list = List.new(attributes)
  list.save
  list
end

.delete(query = {}) ⇒ Object 



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# File 'lib/hollybush/list.rb', line 71

def self.delete(query = {})
  begin
    List.coll.remove(prepare(query))
  rescue BSON::InvalidObjectId
  end
end

.delete_entry(query = {}) ⇒ Object 



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# File 'lib/hollybush/list.rb', line 78

def self.delete_entry(query = {})
  begin
    List.coll.remove(prepare(query))
  rescue BSON::InvalidObjectId
  end
end

.find(query = {}, options = {}) ⇒ Object 



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# File 'lib/hollybush/list.rb', line 86

def self.find(query = {}, options = {})
  begin
    coll.find(prepare(query), options).to_a.map {|doc| Hollybush::List.new(doc)}
  rescue BSON::InvalidObjectId => e
    puts e.message
    []
  end
end

Instance Method Details

#<<(entry) ⇒ Object 



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# File 'lib/hollybush/list.rb', line 42

def <<(entry)
  save unless persisted?
  BSON::ObjectId.create_pk(entry)
  @entries << entry if List.coll.update({"_id" => make_id(@id)}, {"$push" => {:entries => entry}})
end

#delete ⇒ Object 



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# File 'lib/hollybush/list.rb', line 67

def delete
  List.coll.remove({"_id" => make_id(@id)})
end

#delete_entry(entry) ⇒ Object 



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# File 'lib/hollybush/list.rb', line 48

def delete_entry(entry)
  @entries.delete(entry) if List.coll.update({"_id" => make_id(@id)}, {"$pull" => {:entries => {"_id" => entry["_id"]}}})
end

#each(&a_block) ⇒ Object 



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# File 'lib/hollybush/list.rb', line 37

def each(&a_block)
  doc = List.coll.find_one({"_id" => @id})
  doc["entries"].each(&a_block) if doc["entries"] 
end

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/hollybush/list.rb', line 57

def persisted?
  @id != nil
end

#save ⇒ Object 



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# File 'lib/hollybush/list.rb', line 18

def save
  if valid?
    update_doc = {:name => @name, :entries => @entries}
    if @id
      List.coll.update({"_id" => make_id(@id)}, update_doc)
    else
      @id = List.coll.save(update_doc).to_s
    end
  else
    false
  end
end

#update_attributes(attributes = {}) ⇒ Object 



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# File 'lib/hollybush/list.rb', line 61

def update_attributes(attributes = {})
  attributes.each do |name, value|
    send("#{name}=", value) if respond_to?(name)
  end      
end

#update_entry(entry) ⇒ Object 



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# File 'lib/hollybush/list.rb', line 52

def update_entry(entry)
  entry["_id"] = make_id(entry["_id"])
  List.coll.update({"_id" => make_id(@id), "entries._id" => entry["_id"]}, {"$set" => {"entries.$"=> entry}})
end