Class: Stretchy::Builders::WhereBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/stretchy/builders/where_builder.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ WhereBuilder

Returns a new instance of WhereBuilder.



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# File 'lib/stretchy/builders/where_builder.rb', line 10

def initialize(options = {})
  @terms            = Hash.new { [] }
  @antiterms        = Hash.new { [] }
  @shouldterms      = Hash.new { [] }
  @shouldnotterms   = Hash.new { [] }
  
  @ranges           = {}
  @antiranges       = {}
  @shouldranges     = {}
  @shouldnotranges  = {}
  
  @geos             = {}
  @antigeos         = {}
  @shouldgeos       = {}
  @shouldnotgeos    = {}

  @exists           = []
  @antiexists       = []
  @shouldexists     = []
  @shouldnotexists  = []
end

Instance Attribute Details

#antiexists ⇒ Object

Returns the value of attribute antiexists.



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# File 'lib/stretchy/builders/where_builder.rb', line 5

def antiexists
  @antiexists
end

#antigeos ⇒ Object

Returns the value of attribute antigeos.



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# File 'lib/stretchy/builders/where_builder.rb', line 5

def antigeos
  @antigeos
end

#antiranges ⇒ Object

Returns the value of attribute antiranges.



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# File 'lib/stretchy/builders/where_builder.rb', line 5

def antiranges
  @antiranges
end

#antiterms ⇒ Object

Returns the value of attribute antiterms.



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# File 'lib/stretchy/builders/where_builder.rb', line 5

def antiterms
  @antiterms
end

#exists ⇒ Object

Returns the value of attribute exists.



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# File 'lib/stretchy/builders/where_builder.rb', line 5

def exists
  @exists
end

#geos ⇒ Object

Returns the value of attribute geos.



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# File 'lib/stretchy/builders/where_builder.rb', line 5

def geos
  @geos
end

#ranges ⇒ Object

Returns the value of attribute ranges.



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# File 'lib/stretchy/builders/where_builder.rb', line 5

def ranges
  @ranges
end

#shouldexists ⇒ Object

Returns the value of attribute shouldexists.



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# File 'lib/stretchy/builders/where_builder.rb', line 5

def shouldexists
  @shouldexists
end

#shouldgeos ⇒ Object

Returns the value of attribute shouldgeos.



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# File 'lib/stretchy/builders/where_builder.rb', line 5

def shouldgeos
  @shouldgeos
end

#shouldnotexists ⇒ Object

Returns the value of attribute shouldnotexists.



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# File 'lib/stretchy/builders/where_builder.rb', line 5

def shouldnotexists
  @shouldnotexists
end

#shouldnotgeos ⇒ Object

Returns the value of attribute shouldnotgeos.



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# File 'lib/stretchy/builders/where_builder.rb', line 5

def shouldnotgeos
  @shouldnotgeos
end

#shouldnotranges ⇒ Object

Returns the value of attribute shouldnotranges.



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# File 'lib/stretchy/builders/where_builder.rb', line 5

def shouldnotranges
  @shouldnotranges
end

#shouldnotterms ⇒ Object

Returns the value of attribute shouldnotterms.



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# File 'lib/stretchy/builders/where_builder.rb', line 5

def shouldnotterms
  @shouldnotterms
end

#shouldranges ⇒ Object

Returns the value of attribute shouldranges.



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# File 'lib/stretchy/builders/where_builder.rb', line 5

def shouldranges
  @shouldranges
end

#shouldterms ⇒ Object

Returns the value of attribute shouldterms.



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# File 'lib/stretchy/builders/where_builder.rb', line 5

def shouldterms
  @shouldterms
end

#terms ⇒ Object

Returns the value of attribute terms.



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# File 'lib/stretchy/builders/where_builder.rb', line 5

def terms
  @terms
end

Instance Method Details

#and_filter ⇒ Object 



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# File 'lib/stretchy/builders/where_builder.rb', line 93

def and_filter
  filter = nil
  filters = build_filters(
    terms:  @terms,
    exists: @exists,
    ranges: @ranges,
    geos:   @geos
  )
  if filters.count > 1
    filter = Stretchy::Filters::AndFilter.new(filters)
  else
    filter = filters.first
  end
  filter
end

#any? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/stretchy/builders/where_builder.rb', line 71

def any?
  musts? || must_nots? || shoulds? || should_nots?
end

#bool_filter ⇒ Object 



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# File 'lib/stretchy/builders/where_builder.rb', line 75

def bool_filter
  Stretchy::Filters::BoolFilter.new(
    must: build_filters(
      terms:  @terms,
      exists: @exists,
      ranges: @ranges,
      geos:   @geos
    ),
    must_not: build_filters(
      terms:  @antiterms,
      exists: @antiexists,
      ranges: @antiranges,
      geos:   @antigeos
    ),
    should: build_should
  )
end

#build ⇒ Object 



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# File 'lib/stretchy/builders/where_builder.rb', line 32

def build
  if use_bool?
    bool_filter
  elsif musts?
    and_filter
  elsif must_nots?
    not_filter
  else
    nil
  end
end

#build_filters(options = {}) ⇒ Object 



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# File 'lib/stretchy/builders/where_builder.rb', line 162

def build_filters(options = {})
  filters = []
  terms       = Hash(options[:terms])
  ranges      = Hash(options[:ranges])
  geos        = Hash(options[:geos])
  near_fields = Hash(options[:near_fields])
  exists      = Array(options[:exists])
  
  terms.each do |field, values|
    filters << Stretchy::Filters::TermsFilter.new(field, values)
  end
  
  filters += exists.map do |field|
    Stretchy::Filters::ExistsFilter.new(field)
  end

  filters += ranges.map do |field, value|
    Stretchy::Filters::RangeFilter.new(field: field, stretchy_range: value)
  end

  filters += geos.map do |field, values|
    Stretchy::Filters::GeoFilter.new(
      field: field,
      distance: values[:distance],
      geo_point: values[:geo_point],
      lat: values[:lat],
      lng: values[:lng]
    )
  end
  filters
end

#build_should ⇒ Object 



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# File 'lib/stretchy/builders/where_builder.rb', line 120

def build_should
  if shoulds? && should_nots?
    Stretchy::Filters::BoolFilter.new(
      must: build_filters(
        terms:  @shouldterms,
        exists: @shouldexists,
        ranges: @shouldranges,
        geos:   @shouldgeos
      ),
      must_not: build_filters(
        terms:  @shouldnotterms,
        exists: @shouldnotexists,
        ranges: @shouldnotranges,
        geos:   @shouldnotgeos
      )
    )
  elsif should_nots?
    filters = build_filters(
      terms:  @shouldnotterms,
      exists: @shouldnotexists,
      ranges: @shouldnotranges,
      geos:   @shouldnotgeos
    )
    if filters.count > 1
      filters = Stretchy::Filters::OrFilter.new(filters) 
    else
      filters = filters.first
    end
    
    Stretchy::Filters::NotFilter.new(filters)
  else
    filters = build_filters(
      terms:  @shouldterms,
      exists: @shouldexists,
      ranges: @shouldranges,
      geos:   @shouldgeos
    )
    filters = Stretchy::Filters::AndFilter.new(filters) if filters.count > 1
    filters
  end
end

#must_nots? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/stretchy/builders/where_builder.rb', line 48

def must_nots?
  @antiterms.any?   || @antiexists.any? || 
  @antiranges.any?  || @antigeos.any?
end

#musts? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/stretchy/builders/where_builder.rb', line 44

def musts?
  @terms.any? || @exists.any? || @ranges.any? || @geos.any?
end

#not_filter ⇒ Object 



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# File 'lib/stretchy/builders/where_builder.rb', line 109

def not_filter
  filter = build_filters(
    terms:    @antiterms,
    exists:   @antiexists,
    ranges:   @antiranges,
    geos:     @antigeos
  )
  filter = Stretchy::Filters::OrFilter.new(filter) if filter.count > 1
  Stretchy::Filters::NotFilter.new(filter)
end

#should_nots? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/stretchy/builders/where_builder.rb', line 60

def should_nots?
  @shouldnotterms.any?    ||
  @shouldnotranges.any?   ||
  @shouldnotgeos.any?     ||
  @shouldnotexists.any?
end

#shoulds? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/stretchy/builders/where_builder.rb', line 53

def shoulds?
  @shouldterms.any?       ||
  @shouldranges.any?      ||
  @shouldgeos.any?        ||
  @shouldexists.any?
end

#use_bool? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/stretchy/builders/where_builder.rb', line 67

def use_bool?
  (musts? && must_nots?) || shoulds? || should_nots?
end