CouchRest

USAGE

in your rack.rb file require this file and then:

couch = CouchRest.new LOG_DB = couch.database!('couchrest-logger') use CouchRest::Logger, LOG_DB

Note: to require just this middleware, if you have the gem installed do: require 'couchrest/middlewares/logger'

For log processing examples, see examples at the bottom of this file

CouchRest::Attributes

When included, provide the owner with an attributes hash and accessors that forward calls to it.

Provides the basic functionality of Hash without actually being a Hash using Ruby's standard Forwardable module.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Extracted From github.com/rails/rails/commit/971e2438d98326c994ec6d3ef8e37b7e868ed6e2

CouchRest::Document

Provides basic functions for controlling documents returned from the CouchDB database and provides methods to act as a wrapper around a Hash of @_attributes.

The idea is to provide the basic functionality of a Hash, just enought to support the needs of CouchRest, but not inherit all of the functionality found in a basic Hash.

A Response is similar to Rails' HashWithIndifferentAccess as all requests will convert the keys into Symbols and be stored in the master hash as such.

CouchDB, close to the metal

Public Class Methods

database(url) click to toggle source

# File lib/couchrest.rb, line 105
def database url
  parsed = parse url
  cr = CouchRest.new(parsed[:host])
  cr.database(parsed[:database])
end

database!(url) click to toggle source

ensure that a database exists creates it if it isn't already there returns it after it's been created

# File lib/couchrest.rb, line 99
def database! url
  parsed = parse url
  cr = CouchRest.new(parsed[:host])
  cr.database!(parsed[:database])
end

decode_json_objects() click to toggle source

When set to true, CouchRest.get tries to decode the JSON returned from CouchDB into a Ruby object. Default: false.

# File lib/couchrest.rb, line 130
def decode_json_objects
  @@decode_json_objects
end

decode_json_objects=(value) click to toggle source

# File lib/couchrest.rb, line 124
def decode_json_objects=(value)
  @@decode_json_objects = value
end

new(*opts) click to toggle source

todo, make this parse the url and instantiate a Server or Database instance depending on the specificity.

# File lib/couchrest.rb, line 53
def new(*opts)
  Server.new(*opts)
end

paramify_url(url, params = {}) click to toggle source

# File lib/couchrest.rb, line 111
def paramify_url url, params = {}
  if params && !params.empty?
    query = params.collect do |k,v|
      v = MultiJson.encode(v) if %{key startkey endkey}.include?(k.to_s)
      "#{k}=#{CGI.escape(v.to_s)}"
    end.join("&")
    url = "#{url}?#{query}"
  end
  url
end

parse(url) click to toggle source

# File lib/couchrest.rb, line 57
def parse url
  case url
  when /^(https?:\/\/)(.*)\/(.*)\/(.*)/
    scheme = $1
    host = $2
    db = $3
    docid = $4
  when /^(https?:\/\/)(.*)\/(.*)/
    scheme = $1
    host = $2
    db = $3
  when /^(https?:\/\/)(.*)/
    scheme = $1
    host = $2
  when /(.*)\/(.*)\/(.*)/
    host = $1
    db = $2
    docid = $3
  when /(.*)\/(.*)/
    host = $1
    db = $2
  else
    db = url
  end

  db = nil if db && db.empty?

  {
    :host => (scheme || "http://") + (host || "127.0.0.1:5984"),
    :database => db,
    :doc => docid
  }
end

proxy(url) click to toggle source

set proxy to use

# File lib/couchrest.rb, line 92
def proxy url
  RestClient.proxy = url
end

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CouchRest

CouchDB, close to the metal

Public Class Methods