Module: ScribeDb

Defined in:
lib/scribelite/models/forward.rb,
lib/scribelite.rb,
lib/scribelite/schema.rb,
lib/scribelite/models/tx.rb,
lib/scribelite/models/scribe.rb

Overview

forward references

require first to resolve circular references

Defined Under Namespace

Modules: Model Classes: CreateDb

Constant Summary collapse

Models =

note: convenience alias for Model lets you use include ScribeDb::Models

Model

Class Method Summary collapse

Class Method Details

.auto_migrate! ⇒ Object 



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# File 'lib/scribelite.rb', line 57

def self.auto_migrate!
  ### todo/fix:
  ##    check props table and versions!!!!!

  # first time? - auto-run db migratation, that is, create db tables
  unless LogDb::Model::Log.table_exists?
    LogDb.create     # add logs table
  end

  unless ConfDb::Model::Prop.table_exists?
    ConfDb.create    # add props table
  end

  unless ScribeDb::Model::Scribe.table_exists?
    ScribeDb.create
  end
end

.connect(config = {}) ⇒ Object 



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# File 'lib/scribelite.rb', line 86

def self.connect( config={} )

  if config.empty?
    puts "ENV['DATBASE_URL'] - >#{ENV['DATABASE_URL']}<"

    ### change default to ./scribe.db ?? why? why not?
    db = URI.parse( ENV['DATABASE_URL'] || 'sqlite3:///scribe.db' )

    if db.scheme == 'postgres'
      config = {
        adapter: 'postgresql',
        host: db.host,
        port: db.port,
        username: db.user,
        password: db.password,
        database: db.path[1..-1],
        encoding: 'utf8'
      }
    else # assume sqlite3
     config = {
       adapter: db.scheme, # sqlite3
       database: db.path[1..-1] # scribe.db (NB: cut off leading /, thus 1..-1)
    }
    end
  end

  puts "Connecting to db using settings: "
  pp config
  ActiveRecord::Base.establish_connection( config )
  # ActiveRecord::Base.logger = Logger.new( STDOUT )
end

.create ⇒ Object 



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# File 'lib/scribelite.rb', line 45

def self.create
  CreateDb.new.up
  ConfDb::Model::Prop.create!( key: 'db.schema.scribe.version', 
                               value: Scribelite::VERSION )
end

.create_all ⇒ Object 



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# File 'lib/scribelite.rb', line 51

def self.create_all
  LogDb.create    # add logs table
  ConfDb.create   # add props table
  ScribeDb.create
end

.open(database = './scribe.db') ⇒ Object

convenience helper for sqlite only



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# File 'lib/scribelite.rb', line 76

def self.open( database='./scribe.db' )   ## convenience helper for sqlite only
    connect( adapter:  'sqlite3',
             database: database )

    ## build schema if database new/empty
    auto_migrate!
end

.setup_in_memory_db ⇒ Object 



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# File 'lib/scribelite.rb', line 119

def self.setup_in_memory_db

  # Database Setup & Config
  ActiveRecord::Base.logger = Logger.new( STDOUT )
  ## ActiveRecord::Base.colorize_logging = false  - no longer exists - check new api/config setting?

  self.connect( adapter:  'sqlite3',
                database: ':memory:' )

  ## build schema
  ScribeDb.create_all
end