Module: Sinatra::ActiveRecordExtension

Defined in:
lib/sinatra/activerecord.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.registered(app) ⇒ Object 



20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
 
# File 'lib/sinatra/activerecord.rb', line 20

def self.registered(app)
  if ENV['DATABASE_URL'] && File.exist?("#{Dir.pwd}/config/database.yml")
    path = "#{Dir.pwd}/config/database.yml"
    url = ENV['DATABASE_URL']
    file_path = File.join(root, path) if Pathname(path).relative? and root
    source = ERB.new(File.read(path)).result
    file_spec = YAML.respond_to?(:unsafe_load) ? YAML.unsafe_load(source) : YAML.load(source)
    file_spec ||= {}

    # ActiveRecord 6.1+ has moved the connection url resolver to another module
    if Gem.loaded_specs["activerecord"].version >= Gem::Version.create('6.1')
      url_spec = ActiveRecord::DatabaseConfigurations::ConnectionUrlResolver.new(url).to_hash
    else
      url_spec = ActiveRecord::ConnectionAdapters::ConnectionSpecification::ConnectionUrlResolver.new(url).to_hash
    end
    
    # if the configuration concerns only one database, and url_spec exist, url_spec will override the same key
    # if the configuration has multiple databases (Rails 6.0+ feature), url_spec is discarded
    # Following Active Record config convention
    # https://github.com/rails/rails/blob/main/activerecord/lib/active_record/database_configurations.rb#L169
    final_spec = file_spec.keys.map do |env|
      config = file_spec[env]
      if config.is_a?(Hash) && config.all? { |_k, v| v.is_a?(Hash) }
        [env, config]
      else
        [env, config.merge(url_spec)]
      end
    end.to_h

    app.set :database, final_spec
  elsif ENV['DATABASE_URL']
    app.set :database, ENV['DATABASE_URL']
  elsif File.exist?("#{Dir.pwd}/config/database.yml")
    app.set :database_file, "#{Dir.pwd}/config/database.yml"
  end

  unless defined?(Rake) || [:test, :production].include?(app.settings.environment)
    ActiveRecord::Base.logger = Logger.new(STDOUT)
  end

  app.helpers ActiveRecordHelper

  # re-connect if database connection dropped (Rails 3 only)
  app.before { ActiveRecord::Base.verify_active_connections! if ActiveRecord::Base.respond_to?(:verify_active_connections!) }
  app.after { ActiveRecord::Base.clear_active_connections! }
end

Instance Method Details

#database ⇒ Object 



97
98
99
 
# File 'lib/sinatra/activerecord.rb', line 97

def database
  ActiveRecord::Base
end

#database=(spec) ⇒ Object 



75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
 
# File 'lib/sinatra/activerecord.rb', line 75

def database=(spec)
  if spec.is_a?(Hash) and spec.symbolize_keys[environment.to_sym]
    ActiveRecord::Base.configurations = spec.stringify_keys
    ActiveRecord::Base.establish_connection(environment.to_sym)
  elsif spec.is_a?(Hash)     
    ActiveRecord::Base.configurations = {
      environment.to_s => spec.stringify_keys
    }

    ActiveRecord::Base.establish_connection(spec.stringify_keys)
  else
    if Gem.loaded_specs["activerecord"].version >= Gem::Version.create('6.0')
      ActiveRecord::Base.configurations ||= ActiveRecord::DatabaseConfigurations.new({}).resolve(spec)
    else
      ActiveRecord::Base.configurations ||= {}
      ActiveRecord::Base.configurations[environment.to_s] = ActiveRecord::ConnectionAdapters::ConnectionSpecification::ConnectionUrlResolver.new(spec).to_hash
    end

    ActiveRecord::Base.establish_connection(spec)
  end
end

#database_file=(path) ⇒ Object 



67
68
69
70
71
72
73
 
# File 'lib/sinatra/activerecord.rb', line 67

def database_file=(path)
  path = File.join(root, path) if Pathname(path).relative? and root
  source = ERB.new(File.read(path)).result
  spec = YAML.respond_to?(:unsafe_load) ? YAML.unsafe_load(source) : YAML.load(source)
  spec ||= {}
  set :database, spec
end