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# File 'lib/searchkick/search.rb', line 4
def search(term, options = {})
term = term.to_s
fields =
if options[:fields]
if options[:autocomplete]
options[:fields].map{|f| "#{f}.autocomplete" }
else
options[:fields].map{|f| "#{f}.analyzed" }
end
else
if options[:autocomplete]
(searchkick_options[:autocomplete] || []).map{|f| "#{f}.autocomplete" }
else
["_all"]
end
end
operator = options[:partial] ? "or" : "and"
load = options[:load].nil? ? true : options[:load]
load = (options[:include] ? {include: options[:include]} : true) if load
page = [options[:page].to_i, 1].max
per_page = (options[:limit] || options[:per_page] || 100000).to_i
offset = options[:offset] || (page - 1) * per_page
index_name = options[:index_name] || searchkick_index.name
conversions_field = searchkick_options[:conversions]
personalize_field = searchkick_options[:personalize]
all = term == "*"
if options[:similar]
payload = {
more_like_this: {
fields: fields,
like_text: term,
min_doc_freq: 1,
min_term_freq: 1,
analyzer: "searchkick_search2"
}
}
elsif all
payload = {
match_all: {}
}
else
if options[:autocomplete]
payload = {
multi_match: {
fields: fields,
query: term,
analyzer: "searchkick_autocomplete_search"
}
}
else
shared_options = {
fields: fields,
query: term,
use_dis_max: false,
operator: operator
}
queries = [
{multi_match: shared_options.merge(boost: 10, analyzer: "searchkick_search")},
{multi_match: shared_options.merge(boost: 10, analyzer: "searchkick_search2")}
]
if options[:misspellings] != false
distance = (options[:misspellings].is_a?(Hash) && options[:misspellings][:distance]) || 1
queries.concat [
{multi_match: shared_options.merge(fuzziness: distance, max_expansions: 3, analyzer: "searchkick_search")},
{multi_match: shared_options.merge(fuzziness: distance, max_expansions: 3, analyzer: "searchkick_search2")}
]
end
payload = {
dis_max: {
queries: queries
}
}
end
if conversions_field and options[:conversions] != false
payload = {
bool: {
must: payload,
should: {
nested: {
path: conversions_field,
score_mode: "total",
query: {
custom_score: {
query: {
match: {
query: term
}
},
script: "doc['count'].value"
}
}
}
}
}
}
end
end
custom_filters = []
if options[:boost]
custom_filters << {
filter: {
exists: {
field: options[:boost]
}
},
script: "log(doc['#{options[:boost]}'].value + 2.718281828)"
}
end
if options[:user_id] and personalize_field
custom_filters << {
filter: {
term: {
personalize_field => options[:user_id]
}
},
boost: 100
}
end
if custom_filters.any?
payload = {
custom_filters_score: {
query: payload,
filters: custom_filters,
score_mode: "total"
}
}
end
payload = {
query: payload,
size: per_page,
from: offset
}
payload[:explain] = options[:explain] if options[:explain]
if options[:order]
order = options[:order].is_a?(Enumerable) ? options[:order] : {options[:order] => :asc}
payload[:sort] = order
end
where_filters =
proc do |where|
filters = []
(where || {}).each do |field, value|
field = :_id if field.to_s == "id"
if field == :or
value.each do |or_clause|
filters << {or: or_clause.map{|or_statement| {and: where_filters.call(or_statement)} }}
end
else
if value.is_a?(Range)
value = {gte: value.first, (value.exclude_end? ? :lt : :lte) => value.last}
end
if value.is_a?(Array) filters << {terms: {field => value}}
elsif value.is_a?(Hash)
if value[:near]
filters << {
geo_distance: {
field => value.delete(:near).map(&:to_f).reverse,
distance: value.delete(:within) || "50mi"
}
}
end
if value[:top_left]
filters << {
geo_bounding_box: {
field => {
top_left: value.delete(:top_left).map(&:to_f).reverse,
bottom_right: value.delete(:bottom_right).map(&:to_f).reverse
}
}
}
end
value.each do |op, op_value|
if op == :not if op_value.is_a?(Array)
filters << {not: {terms: {field => op_value}}}
else
filters << {not: {term: {field => op_value}}}
end
elsif op == :all
filters << {terms: {field => op_value, execution: "and"}}
else
range_query =
case op
when :gt
{from: op_value, include_lower: false}
when :gte
{from: op_value, include_lower: true}
when :lt
{to: op_value, include_upper: false}
when :lte
{to: op_value, include_upper: true}
else
raise "Unknown where operator"
end
filters << {range: {field => range_query}}
end
end
else
if value.nil?
filters << {missing: {"field" => field, existence: true, null_value: true}}
else
filters << {term: {field => value}}
end
end
end
end
filters
end
filters = where_filters.call(options[:where])
if filters.any?
payload[:filter] = {
and: filters
}
end
facet_limits = {}
if options[:facets]
facets = options[:facets] || {}
if facets.is_a?(Array) facets = Hash[ facets.map{|f| [f, {}] } ]
end
payload[:facets] = {}
facets.each do |field, facet_options|
if facet_options[:ranges]
payload[:facets][field] = {
range: {
field.to_sym => facet_options[:ranges]
}
}
else
payload[:facets][field] = {
terms: {
field: field,
size: facet_options[:limit] ? facet_options[:limit] + 150 : 100000
}
}
end
facet_limits[field] = facet_options[:limit] if facet_options[:limit]
facet_filters = where_filters.call(facet_options[:where])
if facet_filters.any?
payload[:facets][field][:facet_filter] = {
and: {
filters: facet_filters
}
}
end
end
end
if options[:suggest]
suggest_fields = (searchkick_options[:suggest] || []).map(&:to_s)
suggest_fields = suggest_fields & options[:fields].map(&:to_s) if options[:fields]
if suggest_fields.any?
payload[:suggest] = {text: term}
suggest_fields.each do |field|
payload[:suggest][field] = {
phrase: {
field: "#{field}.suggest"
}
}
end
end
end
if options[:highlight]
payload[:highlight] = {
fields: Hash[ fields.map{|f| [f, {}] } ]
}
if options[:highlight].is_a?(Hash) and tag = options[:highlight][:tag]
payload[:highlight][:pre_tags] = [tag]
payload[:highlight][:post_tags] = [tag.to_s.gsub(/\A</, "</")]
end
end
payload[:fields] = [] if load
tire_options = {load: load, payload: payload, size: per_page, from: offset}
tire_options[:type] = document_type if self != searchkick_klass
search = Tire::Search::Search.new(index_name, tire_options)
begin
response = search.json
rescue Tire::Search::SearchRequestFailed => e
status_code = e.message[0..3].to_i
if status_code == 404
raise "Index missing - run #{searchkick_klass.name}.reindex"
elsif status_code == 500 and (e.message.include?("IllegalArgumentException[minimumSimilarity >= 1]") or e.message.include?("No query registered for [multi_match]"))
raise "Upgrade Elasticsearch to 0.90.0 or greater"
else
raise e
end
end
facet_limits.each do |field, limit|
field = field.to_s
facet = response["facets"][field]
response["facets"][field]["terms"] = facet["terms"].first(limit)
response["facets"][field]["other"] = facet["total"] - facet["terms"].sum{|term| term["count"] }
end
Searchkick::Results.new(response, search.options.merge(term: term))
end
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