class Client

Public Class Methods

new(url = ENV['REPLIT_DB_URL']) click to toggle source

Change url to point to a different path. @param url [String, nil]

# File lib/repldb.rb, line 9
def initialize(url = ENV['REPLIT_DB_URL'])
  @url = url
end

Public Instance Methods

del(key) click to toggle source

Deletes key. @param key [String]

# File lib/repldb.rb, line 46
def del(key)
  uri = URI.parse("#{@url}/#{serialize(key)}")
  req = Net::HTTP::Delete.new(uri.path)

  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = true
  http.request(req)
end

del_all() click to toggle source

Deletes all keys, ultimately emptying the database.

# File lib/repldb.rb, line 56
def del_all
  keys.each { |k| del(k) }
end

exists?(key) click to toggle source

Check if key exists. @param key [String]

# File lib/repldb.rb, line 81
def exists?(key)
  !get(key).nil?
end

get(key, default = nil) click to toggle source

Gets key. If it doesn't exist, <tt>default<tt> will be used. @param key [String] the key to get @param default [Any] the default value if the key doesn't exist.

# File lib/repldb.rb, line 24
def get(key, default = nil)
  val = get_url("#{@url}/#{serialize(key)}")
  if val.body == ''
    default
  else
    begin
      JSON.parse(val.body)
    rescue StandardError
      default
    end
  end
end

get_hash() click to toggle source

Gets all the keys as a hash.

# File lib/repldb.rb, line 72
def get_hash
  o = {}
  ks = keys
  ks.each { |k| o[k] = get(k) }
  o
end

keys(prefix = '') click to toggle source

Get all the keys as an array. prefix can be used to get all keys with a prefix. @param prefix [String, nil] Get all keys with prefix at the start.

# File lib/repldb.rb, line 40
def keys(prefix = '')
  get_url("#{@url}?prefix=#{prefix}").body.split("\n").map { |k| deserialize(k) }
end

set(key, val) click to toggle source

Sets key to val. @param key [String] the key to set. @param val [Any] the value.

# File lib/repldb.rb, line 16
def set(key, val)
  post_url(@url.to_s, serialize(key) => JSON.generate(val))
end

set_hash(hash) click to toggle source

This will append hash. **This will NOT replace existing keys!** @param hash [Hash]

# File lib/repldb.rb, line 63
def set_hash(hash)
  if hash.is_a? Hash
    hash.each { |k, v| set(k, v) }
  else
    raise '[GemDb] Error: Argument must be a hash'
  end
end

Private Instance Methods

deserialize(key) click to toggle source

# File lib/repldb.rb, line 98
        def deserialize(key)
  CGI.unescape key.to_s
end

get_url(url) click to toggle source

# File lib/repldb.rb, line 90
        def get_url(url)
  Net::HTTP.get_response(URI(url))
end

post_url(url, data) click to toggle source

internals

# File lib/repldb.rb, line 86
        def post_url(url, data)
  Net::HTTP.post_form(URI(url), data)
end

serialize(key) click to toggle source

# File lib/repldb.rb, line 94
        def serialize(key)
  CGI.escape key.to_s
end