class Parse::Query

Attributes

keys[R]
parse_class_name[RW]
parse_client[RW]
where[R]

Public Class Methods

new(parse_class_name=nil, parse_client=nil) click to toggle source
# File lib/parse/query.rb, line 6
def initialize parse_class_name=nil, parse_client=nil
  @parse_class_name = parse_class_name.to_s
  @parse_client = parse_client || Parse::Client.default
  @limit = nil
  @skip = nil
  @count = false
  @where = [] # array of Conditions
  @order = []
  @include = []
  @keys = []
end

Public Instance Methods

count(val=nil) click to toggle source
# File lib/parse/query.rb, line 50
def count val=nil
  if val
    @count = val
  else
    @count
  end
  self
end
include(*vals) click to toggle source
# File lib/parse/query.rb, line 92
def include *vals
  return @include if vals.empty?
  @include += vals
end
inspect() click to toggle source
# File lib/parse/query.rb, line 115
def inspect
  "#{@parse_class_name}, #{to_params}"
end
invoke(&block)
Alias for: run
limit(val=nil) click to toggle source
# File lib/parse/query.rb, line 32
def limit val=nil
  if val
    @limit = val
  else
    @limit
  end
  self
end
order(*vals) click to toggle source
# File lib/parse/query.rb, line 73
def order *vals
  return @order if vals.empty?
  @order += vals
  self
end
Also aliased as: order_asc
order_asc(*vals)
Alias for: order
order_desc(*vals) click to toggle source
# File lib/parse/query.rb, line 80
def order_desc *vals
  order *(vals.map do |val|
    val[0] == '-' ? val[1..-1] : "-#{val}"
  end)
end
run(&block) click to toggle source
# File lib/parse/query.rb, line 18
def run &block
  block = proc do |body| 
    # TODO: should handle error
    results = body['results']
    results.query_count = body['count'] if results
    results
  end unless block
  endpoint = %w(User).include?(@parse_class_name) \
    ? "#{@parse_class_name.lowercase}s" 
    : "classes/#{@parse_class_name}"
  @parse_client.call_api :get, "#{endpoint}?#{to_params}", nil, &block
end
Also aliased as: invoke
skip(val=nil) click to toggle source
# File lib/parse/query.rb, line 41
def skip val=nil
  if val
    @skip = val
  else
    @skip
  end
  self
end
to_params() click to toggle source
# File lib/parse/query.rb, line 97
def to_params
  params = []

  where = @where.join ','
  order = @order.join ','
  keys = @keys.join ','
  include = @include.join ','
  params.push "where=#{URI.encode "{#{where}}"}" unless where.empty?
  params.push "order=#{URI.encode order}" unless order.empty?
  params.push "keys=#{URI.encode keys}" unless keys.empty?
  params.push "include=#{URI.encode include}" unless include.empty?
  params.push "skip=#{URI.encode @skip.to_s}" if @skip
  params.push "limit=#{URI.encode @limit.to_s}" if @limit
  params.push "count=1" if @count

  params.join '&'
end

Private Instance Methods

_(name)
Alias for: column
_or_(*conds)
Alias for: or_condition
column(name) click to toggle source
# File lib/parse/query.rb, line 121
def column name
  Condition.new(self, name).tap do |condition|
    @where.push condition
  end
end
Also aliased as: _
or_condition(*conds) click to toggle source
# File lib/parse/query.rb, line 132
def or_condition *conds
  conds.each do |cond|
    @where.delete cond
  end
  OrCondition.new(conds).tap do |condition|
    @where.push condition
  end
end
Also aliased as: _or_
subquery_for(parse_class_name) click to toggle source
# File lib/parse/query.rb, line 128
def subquery_for parse_class_name
  Subquery.new parse_class_name
end