Class: FullSearch::Search

Inherits:
Object
  • Object
show all
Includes:
Quoting
Defined in:
lib/full_search/search.rb

Constant Summary collapse

MIN_TERM_LENGTH = 
3

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(model, query, filters:, include_soft_deleted:, limit:, offset:, highlight: false, highlight_fields: false, matching_strategy: nil, per_strategy_limit: nil) ⇒ Search

Returns a new instance of Search.



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# File 'lib/full_search/search.rb', line 7

def initialize(model, query, filters:, include_soft_deleted:, limit:, offset:, highlight: false, highlight_fields: false, matching_strategy: nil, per_strategy_limit: nil)
  @model = model
  @query = query.to_s.strip
  @filters = filters
  @include_soft_deleted = include_soft_deleted
  @limit = limit
  @offset = offset
  @highlight = highlight
  @highlight_fields = highlight_fields
  @matching_strategy = matching_strategy
  @per_strategy_limit = per_strategy_limit
end

Instance Attribute Details

#filters ⇒ Object (readonly)

Returns the value of attribute filters.



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# File 'lib/full_search/search.rb', line 5

def filters
  @filters
end

#highlight ⇒ Object (readonly)

Returns the value of attribute highlight.



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# File 'lib/full_search/search.rb', line 5

def highlight
  @highlight
end

#highlight_fields ⇒ Object (readonly)

Returns the value of attribute highlight_fields.



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# File 'lib/full_search/search.rb', line 5

def highlight_fields
  @highlight_fields
end

#include_soft_deleted ⇒ Object (readonly)

Returns the value of attribute include_soft_deleted.



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# File 'lib/full_search/search.rb', line 5

def include_soft_deleted
  @include_soft_deleted
end

#limit ⇒ Object (readonly)

Returns the value of attribute limit.



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# File 'lib/full_search/search.rb', line 5

def limit
  @limit
end

#matching_strategy ⇒ Object (readonly)

Returns the value of attribute matching_strategy.



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# File 'lib/full_search/search.rb', line 5

def matching_strategy
  @matching_strategy
end

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/full_search/search.rb', line 5

def model
  @model
end

#offset ⇒ Object (readonly)

Returns the value of attribute offset.



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# File 'lib/full_search/search.rb', line 5

def offset
  @offset
end

#per_strategy_limit ⇒ Object (readonly)

Returns the value of attribute per_strategy_limit.



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# File 'lib/full_search/search.rb', line 5

def per_strategy_limit
  @per_strategy_limit
end

#query ⇒ Object (readonly)

Returns the value of attribute query.



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# File 'lib/full_search/search.rb', line 5

def query
  @query
end

Instance Method Details

#relation ⇒ Object 



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# File 'lib/full_search/search.rb', line 22

def relation
  validate_filter_keys!
  validate_required_filters!
  check_stale_config!

  return model.none if dsl.tokenize == "trigram" && query.length < MIN_TERM_LENGTH && !dsl.typo_tolerance?

  parsed = QueryParser.parse(query)
  exact_ids = ExactMatch.ids_for(model, query, filters)
  primary_ids = fts_match_ids(parsed)
  fallback_ids = (dsl.typo_tolerance? && matching_strategy != "all") ? trigram_match_ids(parsed, primary_ids, candidate_limit: per_strategy_limit) : []
  fuzzy_ids = (dsl.typo_tolerance? && matching_strategy != "all" && primary_ids.empty? && fallback_ids.empty?) ? fuzzy_match_ids(parsed, candidate_limit: per_strategy_limit) : []

  all_ids = (exact_ids + primary_ids + fallback_ids + fuzzy_ids).uniq
  return model.none if all_ids.empty?

  rel = model.where(id: all_ids)
  rel = rel.where(model.arel_table[dsl.soft_delete_column].eq(nil)) if dsl.soft_delete_column && !include_soft_deleted
  rel = rel.limit(limit) if limit
  rel = rel.offset(offset) if offset

  rel = apply_ranking(rel, all_ids, exact_ids)

  if highlight
    records = rel.to_a
    Highlighter.apply!(records, model, query, record_ids: records.map(&:id))
    records
  elsif highlight_fields
    records = rel.to_a
    Highlighter.apply_fields!(records, model, query, record_ids: records.map(&:id))
    records
  else
    rel
  end
end