Class: DataDoc::Store

Inherits:
Object
  • Object
show all
Defined in:
lib/data_doc/store.rb

Overview

Defines schema for structured content and accepts rows.

Sets up an ActiveRecord store, defines its tables and fields, and adds row content.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(doc, table_name_or_sym, opts = {}, &blk) ⇒ Store

Define a store.

Yields to a block calling the store for fields and other schema definition. Table is re-created and emptied unless read_only, and just emptied if data_only.



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# File 'lib/data_doc/store.rb', line 20

def initialize(doc, table_name_or_sym, opts = {}, &blk)
  @doc = doc
  @connection = @doc.connection
  create_store(table_name_or_sym, opts, &blk)
end

Instance Attribute Details

#arel ⇒ Object (readonly)

AREL object encapsulating table.



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# File 'lib/data_doc/store.rb', line 27

def arel
  @arel
end

Instance Method Details

#datetime(name, opts = {}) ⇒ Object

Define a datetime field.



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# File 'lib/data_doc/store.rb', line 53

def datetime(name, opts = {})
  @connection.add_column(@arel.name, name, :datetime, opts)
end

#insert(record) ⇒ Object

Insert a row from a hash.



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# File 'lib/data_doc/store.rb', line 60

def insert(record)
  return if @doc.read_only
  manager = @arel.insert_manager
  columns = record.keys.map { |k| @arel[k] }
  manager.insert(columns.zip(record.values))
  @connection.insert(manager)
end

#integer(name, opts = {}) ⇒ Object

Define an integer field.



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# File 'lib/data_doc/store.rb', line 39

def integer(name, opts = {})
  @connection.add_column(@arel.name, name, :integer, opts)
end

#string(name, opts = {}) ⇒ Object

Define a string field.



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# File 'lib/data_doc/store.rb', line 32

def string(name, opts = {})
  @connection.add_column(@arel.name, name, :string, opts)
end

#text(name, opts = {}) ⇒ Object

Define a text field.



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# File 'lib/data_doc/store.rb', line 46

def text(name, opts = {})
  @connection.add_column(@arel.name, name, :text, opts)
end