Class: Queries::Serial::Autocomplete
- Inherits:
-
Query
- Object
- Query
- Queries::Serial::Autocomplete
show all
- Defined in:
- lib/queries/serial/autocomplete.rb
Instance Attribute Summary
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_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(string, project_id: nil) ⇒ Autocomplete
Returns a new instance of Autocomplete.
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# File 'lib/queries/serial/autocomplete.rb', line 6
def initialize(string, project_id: nil) super
end
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Instance Method Details
#alternate_value_table ⇒ Arel::Table
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# File 'lib/queries/serial/autocomplete.rb', line 107
def alternate_value_table
::AlternateValue.arel_table
end
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#autocomplete ⇒ Array
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# File 'lib/queries/serial/autocomplete.rb', line 16
def autocomplete
queries = [
autocomplete_exact_name,
autocomplete_exact_alternate_value,
autocomplete_exact_alternate_value('name', 'AlternateValue::Translation'),
autocomplete_exact_alternate_value('name', 'AlternateValue::Abbreviation'),
autocomplete_begining_name,
autocomplete_begining_alternate_value,
autocomplete_begining_alternate_value('name', 'AlternateValue::Translation'),
autocomplete_begining_alternate_value('name', 'AlternateValue::Abbreviation'),
autocomplete_ordered_wildcard_pieces_in_name,
autocomplete_ordered_wildcard_alternate_value,
autocomplete_ordered_wildcard_alternate_value('name', 'AlternateValue::Translation'),
autocomplete_ordered_wildcard_alternate_value('name', 'AlternateValue::Abbreviation')
]
queries.compact!
updated_queries = []
queries.each_with_index do |q ,i|
a ||= q
updated_queries[i] = a
end
result = []
updated_queries.each do |q|
result += q.to_a
result.uniq!
break if result.count > 19
end
result[0..19]
end
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#autocomplete_begining_alternate_value(attribute = 'name', type = 'AlternateValue') ⇒ Object
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# File 'lib/queries/serial/autocomplete.rb', line 90
def autocomplete_begining_alternate_value(attribute = 'name', type = 'AlternateValue')
::Serial.joins(:alternate_values).where(
alternate_value_table[:type].eq(type).and(
alternate_value_table[:alternate_value_object_attribute].eq(attribute).
and(alternate_value_table[:value].matches(query_string + '%'))).to_sql
).limit(5)
end
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#autocomplete_begining_name ⇒ ActiveRecord::Relation
Returns match begining of name.
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# File 'lib/queries/serial/autocomplete.rb', line 61
def autocomplete_begining_name
a = table[:name].matches(query_string + '%')
base_query.where(a.to_sql).limit(10)
end
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#autocomplete_exact_alternate_value(attribute = 'name', type = 'AlternateValue') ⇒ Object
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# File 'lib/queries/serial/autocomplete.rb', line 82
def autocomplete_exact_alternate_value(attribute = 'name', type = 'AlternateValue')
::Serial.joins(:alternate_values).where(
alternate_value_table[:type].eq(type).and(
alternate_value_table[:alternate_value_object_attribute].eq(attribute).
and(alternate_value_table[:value].eq(query_string))).to_sql
).limit(5)
end
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#autocomplete_exact_name ⇒ ActiveRecord::Relation
Returns match exact name.
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# File 'lib/queries/serial/autocomplete.rb', line 54
def autocomplete_exact_name
a = table[:name].eq(query_string)
base_query.where(a.to_sql).limit(4)
end
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#autocomplete_ordered_wildcard_alternate_value(attribute = 'name', type = 'AlternateValue') ⇒ Object
TODO: these three should be factored out to just the join, made more Arel like
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# File 'lib/queries/serial/autocomplete.rb', line 74
def autocomplete_ordered_wildcard_alternate_value(attribute = 'name', type = 'AlternateValue')
::Serial.joins(:alternate_values).where(
alternate_value_table[:type].eq(type).and(
alternate_value_table[:alternate_value_object_attribute].eq(attribute).
and(alternate_value_table[:value].matches(wildcard_pieces))).to_sql
).limit(5)
end
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#autocomplete_ordered_wildcard_pieces_in_name ⇒ ActiveRecord::Relation
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# File 'lib/queries/serial/autocomplete.rb', line 67
def autocomplete_ordered_wildcard_pieces_in_name
a = table[:name].matches(wildcard_pieces)
base_query.where( a.to_sql).limit(6)
end
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#base_query ⇒ Scope
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# File 'lib/queries/serial/autocomplete.rb', line 11
def base_query
::Serial.select('serials.*')
end
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#table ⇒ Arel::Table
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# File 'lib/queries/serial/autocomplete.rb', line 112
def table
::Serial.arel_table
end
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