Module: DatabaseUrl

Defined in:
lib/database_url.rb,
lib/database_url/version.rb

Constant Summary collapse

DEFAULT_HOST = 
'127.0.0.1'
VERSION = 
"0.0.1"

Class Method Summary collapse

Class Method Details

.active_record_config(url = nil) ⇒ Object 



8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
# File 'lib/database_url.rb', line 8

def active_record_config(url = nil)
  if url.nil?
    url = ENV.fetch 'DATABASE_URL'
  end
  uri = URI.parse url
  retval = {
    adapter: uri.scheme,
    host: uri.host,
    database: File.basename(uri.path),
  }
  if uri.port
    retval[:port] = uri.port
  end
  if uri.user
    retval[:user] = uri.user
  end
  if uri.password
    retval[:password] = uri.password
  end
  query = CGI.parse uri.query
  if query.has_key?('encoding')
    retval[:encoding] = query['encoding'][0]
  end
  if query.has_key?('pool')
    retval[:pool] = query['pool'][0].to_i
  end
  retval
end

.database_url(active_record_config) ⇒ Object 



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
66
67
68
 
# File 'lib/database_url.rb', line 37

def database_url(active_record_config)
  # stringify keys
  c = active_record_config.inject({}) { |memo, (k, v)| memo[k.to_s] = v; memo }
  userinfo = if c.has_key?('user') or c.has_key?('username') or c.has_key?('password')
    username = c.values_at('user', 'username').compact.first
    [ username, c['password'] ].join ':'
  end
  query = {}
  if c.has_key?('encoding')
    query['encoding'] = c['encoding']
  end
  if c.has_key?('pool')
    query['pool'] = c['pool'].to_i
  end
  query = if query.length > 0
    URI.encode_www_form query
  end

  # URI.new(scheme, userinfo, host, port, registry, path, opaque, query, fragment, parser = DEFAULT_PARSER, arg_check = false)
  uri = URI::Generic.new(
    c.fetch('adapter'),
    userinfo,
    c.fetch('host', DEFAULT_HOST),
    c['port'],
    nil, # registry
    "/#{c.fetch('database')}", # path
    nil, # opaque
    query, # query
    nil, # fragment
  )
  uri.to_s
end