Class: Queries::OriginRelationship::Filter
- Inherits:
-
Query
- Object
- Query
- Queries::OriginRelationship::Filter
show all
- Includes:
- Concerns::Polymorphic
- Defined in:
- lib/queries/origin_relationship/filter.rb
Instance Attribute Summary collapse
Attributes inherited from Query
#dynamic_limit, #options, #project_id, #query_string, #terms
Instance Method Summary
collapse
Methods inherited from Query
#alphabetic_strings, #attribute_exact_facet, #autocomplete, #autocomplete_cached, #autocomplete_cached_wildcard_anywhere, #autocomplete_common_name_exact, #autocomplete_common_name_like, #autocomplete_exact_id, #autocomplete_exactly_named, #autocomplete_named, #autocomplete_ordered_wildcard_pieces_in_cached, #build_terms, #cached, #combine_or_clauses, #common_name_name, #common_name_table, #common_name_wild_pieces, #end_wildcard, #exactly_named, #fragments, #integers, #levenshtein_distance, #match_ordered_wildcard_pieces_in_cached, #match_wildcard_end_in_cached, #match_wildcard_in_cached, #named, #no_terms?, #only_ids, #only_integers?, #parent, #parent_child_join, #parent_child_where, #pieces, #result, #scope, #start_and_end_wildcard, #start_wildcard, #wildcard_pieces, #wildcard_wrapped_integers, #wildcard_wrapped_years, #with_cached, #with_cached_like, #with_id, #with_project_id, #year_letter, #years
Constructor Details
#initialize(params) ⇒ Filter
Returns a new instance of Filter.
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# File 'lib/queries/origin_relationship/filter.rb', line 14
def initialize(params)
@new_object_global_id = params[:new_object_global_id]
@old_object_global_id = params[:old_object_global_id]
set_polymorphic_ids(params)
end
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Instance Attribute Details
#new_object_global_id ⇒ Object
attr_accessor :object_global_id from Queries::Concerns::Polymorphic attr_accessor :polymorphic_ids from Queries::Concerns::Polymorphic
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# File 'lib/queries/origin_relationship/filter.rb', line 11
def new_object_global_id
@new_object_global_id
end
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#old_object_global_id ⇒ Object
Returns the value of attribute old_object_global_id.
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# File 'lib/queries/origin_relationship/filter.rb', line 12
def old_object_global_id
@old_object_global_id
end
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Instance Method Details
#all ⇒ ActiveRecord::Relation
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# File 'lib/queries/origin_relationship/filter.rb', line 78
def all
a = and_clauses
b = merge_clauses
if a && b
b.where(a).distinct
elsif a
::OriginRelationship.where(a).distinct
elsif b
b.distinct
else
::OriginRelationship.all
end
end
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#and_clauses ⇒ ActiveRecord::Relation
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# File 'lib/queries/origin_relationship/filter.rb', line 50
def and_clauses
clauses = [
matching_new_object_facet,
matching_old_object_facet,
matching_polymorphic_ids
].compact
a = clauses.shift
clauses.each do |b|
a = a.and(b)
end
a
end
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#matching_new_object_facet ⇒ Object
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# File 'lib/queries/origin_relationship/filter.rb', line 37
def matching_new_object_facet
return nil if new_object_global_id.nil?
table[:new_object_type].eq(new_object.class.base_class)
.and(table[:new_object_id].eq(new_object.id))
end
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#matching_old_object_facet ⇒ Object
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# File 'lib/queries/origin_relationship/filter.rb', line 43
def matching_old_object_facet
return nil if old_object_global_id.nil?
table[:old_object_type].eq(old_object.class.base_class)
.and(table[:old_object_id].eq(old_object.id))
end
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#merge_clauses ⇒ Object
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# File 'lib/queries/origin_relationship/filter.rb', line 64
def merge_clauses
clauses = [
].compact
return nil if clauses.empty?
a = clauses.shift
clauses.each do |b|
a = a.merge(b)
end
a
end
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#new_object ⇒ Object
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# File 'lib/queries/origin_relationship/filter.rb', line 21
def new_object
if o = GlobalID::Locator.locate(new_object_global_id)
o
else
nil
end
end
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#old_object ⇒ Object
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# File 'lib/queries/origin_relationship/filter.rb', line 29
def old_object
if o = GlobalID::Locator.locate(old_object_global_id)
o
else
nil
end
end
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#table ⇒ Arel::Table
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# File 'lib/queries/origin_relationship/filter.rb', line 93
def table
::OriginRelationship.arel_table
end
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