Class: Postgrest::Builders::FilterBuilder

Inherits:
BaseBuilder
  • Object
show all
Defined in:
lib/postgrest/builders/filter_builder.rb

Constant Summary collapse

SIMPLE_MATCHERS = 
%i[eq neq gt gte lt lte like is ilike fts plfts phfts wfts].freeze
RANGE_MATCHERS = 
%i[sl sr nxr nxl adj].freeze

Instance Attribute Summary

Attributes inherited from BaseBuilder

#http

Instance Method Summary collapse

Methods inherited from BaseBuilder

before_execute, before_execute_hooks, #call

Constructor Details

#initialize(http) ⇒ FilterBuilder

Returns a new instance of FilterBuilder.



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# File 'lib/postgrest/builders/filter_builder.rb', line 11

def initialize(http)
  super
  @inverse_next = false
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *columns, as: nil) ⇒ Object 



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# File 'lib/postgrest/builders/filter_builder.rb', line 53

def method_missing(method_name, *columns, as: nil)
  decoded_query['select'] += as ? ",#{as}:#{method_name}" : ",#{method_name}"
  decoded_query['select'] += columns.empty? ? '(*)' : "(#{columns.join(',')})"

  self
end

Instance Method Details

#decoded_query ⇒ Object 



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# File 'lib/postgrest/builders/filter_builder.rb', line 64

def decoded_query
  @decoded_query ||= URI.decode_www_form(query).to_h
end

#in(values = []) ⇒ Object 



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# File 'lib/postgrest/builders/filter_builder.rb', line 34

def in(values = [])
  transform_params(method_name: __method__, values: values) do |key, value|
    [key, "#{method_key(__method__)}.(#{value.join(',')})"]
  end

  self
end

#limit(number = 0) ⇒ Object 



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# File 'lib/postgrest/builders/filter_builder.rb', line 68

def limit(number = 0)
  decoded_query['limit'] = number
  self
end

#not ⇒ Object 



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# File 'lib/postgrest/builders/filter_builder.rb', line 78

def not
  @inverse_next = !@inverse_next
  self
end

#offset(number = 0) ⇒ Object 



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# File 'lib/postgrest/builders/filter_builder.rb', line 73

def offset(number = 0)
  decoded_query['offset'] = number
  self
end

#order(values) ⇒ Object 



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# File 'lib/postgrest/builders/filter_builder.rb', line 42

def order(values)
  transform_params(method_name: __method__, values: values) do |key, value|
    asc = value.to_sym != :desc
    asc = !asc if should_invert?

    [__method__, "#{key}.#{asc ? 'asc' : 'desc'}"]
  end

  self
end

#query ⇒ Object 



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# File 'lib/postgrest/builders/filter_builder.rb', line 60

def query
  http.uri.query
end