Class: Divan::Database

Inherits:
Object
  • Object
show all
Defined in:
lib/divan/database.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, options = {}) ⇒ Database

Returns a new instance of Database.



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# File 'lib/divan/database.rb', line 6

def initialize(name, options = {})
  @name, @user, @password = name, options['user'], options['password']
#TODO: Add user & password support
  @host     = options['host'] || 'http://127.0.0.1'
  @port     = options['port'] || 5984
  @database = options['database']
  @views    = {}
  build_model_class
end

Instance Attribute Details

#database ⇒ Object

Returns the value of attribute database.



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# File 'lib/divan/database.rb', line 5

def database
  @database
end

#host ⇒ Object

Returns the value of attribute host.



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# File 'lib/divan/database.rb', line 5

def host
  @host
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/divan/database.rb', line 5

def name
  @name
end

#password ⇒ Object

Returns the value of attribute password.



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# File 'lib/divan/database.rb', line 5

def password
  @password
end

#port ⇒ Object

Returns the value of attribute port.



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# File 'lib/divan/database.rb', line 5

def port
  @port
end

#user ⇒ Object

Returns the value of attribute user.



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# File 'lib/divan/database.rb', line 5

def user
  @user
end

#views ⇒ Object

Returns the value of attribute views.



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# File 'lib/divan/database.rb', line 5

def views
  @views
end

Instance Method Details

#[](path, params = {}) ⇒ Object 



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# File 'lib/divan/database.rb', line 72

def [](path, params={})
  client[ Divan::Utils.formatted_path(path, params) ]
end

#client ⇒ Object 



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# File 'lib/divan/database.rb', line 76

def client
  @client ||= RestClient::Resource.new( basic_url, *([@user, @password].compact) )
end

#compact ⇒ Object 



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# File 'lib/divan/database.rb', line 33

def compact
  begin
    client['_compact'].post Hash.new, :'content-type' => 'application/json'
  rescue RestClient::ResourceNotFound
    raise Divan::DatabaseNotFound.new(self), "Database was not found"
  end
end

#create ⇒ Object 



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# File 'lib/divan/database.rb', line 41

def create
  begin
    client.put Hash.new
  rescue RestClient::PreconditionFailed
    raise Divan::DatabaseAlreadyCreated.new(self), "Database already created"
  end
end

#create_view(view_name) ⇒ Object 



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# File 'lib/divan/database.rb', line 63

def create_view(view_name)
  if view_doc = model_class.find("_design/#{view_name}")
    view_doc.views = views[view_name]
    view_doc.save
  else
    model_class.create :id => "_design/#{view_name}", :language => 'javascript', :views => views[view_name]
  end
end

#create_views ⇒ Object 



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# File 'lib/divan/database.rb', line 57

def create_views
  views.each do |name, views|
    create_view(name)
  end
end

#delete ⇒ Object 



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# File 'lib/divan/database.rb', line 49

def delete
  begin
    client.delete
  rescue RestClient::ResourceNotFound
    raise Divan::DatabaseNotFound.new(self), "Database was not found"
  end
end

#exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/divan/database.rb', line 16

def exists?
  begin
    client.get
    return true
  rescue RestClient::ResourceNotFound
    return false
  end
end

#model_class ⇒ Object 



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# File 'lib/divan/database.rb', line 80

def model_class
  @model_class ||= eval model_class_full_name
end

#stats ⇒ Object 



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# File 'lib/divan/database.rb', line 25

def stats
  begin
    JSON.parse client.get, :symbolize_names => true
  rescue RestClient::ResourceNotFound
    raise Divan::DatabaseNotFound.new(self), "Database was not found"
  end
end