elasticsearch_plugin_controller.rb
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class ElasticsearchPluginController < ApplicationController
no_design_blocks
SEARCHABLE_TYPES = { :all => { label: _("All Results")},
:community => { label: _("Communities")},
:event => { label: _("Events")},
:person => { label: _("People")}
}
SEARCH_FILTERS = { :lexical => { label: _("Alphabetical Order")},
:recent => { label: _("More Recent Order")},
:access => { label: _("More accessed")}
}
def index
search()
render :action => 'search'
end
def search
puts "="*80
puts params.inspect
define_searchable_types
define_search_fields_types
process_results
end
def process_results
@query = params[:query]
if @selected_type == :all
@results = search_from_all_models
else
@results = search_from_model @selected_type
end
end
private
def fields_from_model
klass::SEARCHABLE_FIELDS.map do |key, value|
if value[:weight]
"#{key}^#{value[:weight]}"
else
"#{key}"
end
end
end
def get_query text, klass=nil
query = {}
unless text.blank?
text = text.downcase
query = {
query: {
match_all: {
}
},
filter: {
regexp: {
name: {
value: ".*" + text + ".*" }
}
},
suggest: {
autocomplete: {
text: text,
term: {
field: "name",
suggest_mode: "always"
}
}
}
}
end
query
end
def search_from_all_models
models = []
query = get_query params[:query]
SEARCHABLE_TYPES.keys.each {| model | models.append( model.to_s.classify.constantize) if model != :all }
Elasticsearch::Model.search(query, models, size: default_per_page).page(params[:page]).records
end
def search_from_model model
begin
klass = model.to_s.classify.constantize
query = get_query params[:query], klass
klass.search(query, size: default_per_page).page(params[:page]).records
rescue
[]
end
end
def define_searchable_types
@searchable_types = SEARCHABLE_TYPES
@selected_type = params[:selected_type].nil? ? :all : params[:selected_type].to_sym
end
def define_search_fields_types
@search_filter_types = SEARCH_FILTERS
@selected_filter_field = params[:selected_filter_field].nil? ? SEARCH_FILTERS.keys.first : params[:selected_filter_field].to_sym
end
def default_per_page
10
end
end