From a71f5e26e057555056a8c6e41e544f3478d63f1c Mon Sep 17 00:00:00 2001
From: Israel Barreto Sant'Anna <ibsa14@inf.ufpr.br>
Date: Thu, 14 Apr 2016 09:31:52 -0300
Subject: [PATCH] SearchController for REST API created and logic migrated to
SearchService class
Signed-off-by: Israel Barreto Sant'Anna <ibsa14@inf.ufpr.br>
---
app/controllers/v1/search_controller.rb | 21 +++++
app/services/search_service.rb | 119 ++++++++++++++++++++++++
2 files changed, 140 insertions(+)
create mode 100644 app/controllers/v1/search_controller.rb
create mode 100644 app/services/search_service.rb
diff --git a/app/controllers/v1/search_controller.rb b/app/controllers/v1/search_controller.rb
new file mode 100644
index 00000000..7ed1ead4
--- /dev/null
+++ b/app/controllers/v1/search_controller.rb
@@ -0,0 +1,21 @@
+class V1::SearchController < ApplicationController
+
+ # GET v1/searches
+ # GET v1/searches.json
+ def index
+ render json: search_service.search(params)
+ end
+
+ # GET v1/searches/autocomplete
+ # GET v1/searches/autocomplete.json
+ def autocomplete
+ render json: search_service.autocomplete(params)
+ end
+
+ private
+
+ def search_service
+ @search_service ||= SearchService.new
+ end
+
+end
\ No newline at end of file
diff --git a/app/services/search_service.rb b/app/services/search_service.rb
new file mode 100644
index 00000000..8ee8fdd9
--- /dev/null
+++ b/app/services/search_service.rb
@@ -0,0 +1,119 @@
+class SearchService
+
+ def search(params)
+ params[:query] = "*" if params[:query].blank?
+
+ case params[:search_class]
+ when "LearningObject"
+ result = LearningObject.search params[:query], where: where_hash(params), order: lo_order_hash(params[:order]), page: params[:page] || 1, per_page: 10
+ when "Collection"
+ result = Collection.search params[:query], where: {privacy: "public"}, order: col_order_hash(params[:order]), page: params[:page] || 1, per_page: 10
+ when "User"
+ result = User.search params[:query], order: user_order_hash(params[:order]), page: params[:page] || 1, per_page: 10
+ else
+ raise "Wrong search class parameter"
+ end
+ result
+ end
+
+ def autocomplete(params)
+ params_hash = {}
+ get_thumbnail = nil
+ case params[:search_class]
+ when "LearningObject"
+ params_hash = { fields: ['name^10', 'description', 'author'] }
+ get_thumbnail = Proc.new { |obj| image_tag(learning_object_thumbnail(obj)) }
+ when "Collection"
+ params_hash = { where: {privacy: "public"},
+ fields: ['name^10', 'description', 'owner'] }
+ get_thumbnail = Proc.new { |obj| image_tag("/assets/icons/collection") }
+ when "User"
+ params_hash = { fields: ['name'] }
+ get_thumbnail = Proc.new { |obj| image_tag(obj.avatar.url(:thumb), 32) }
+ else
+ raise "Wrong search class parameter"
+ end
+ autocomplete_search(Object.const_get(params[:search_class]), params[:query], params_hash, get_thumbnail)
+ end
+
+ private
+
+ def autocomplete_search(search_class, query, params_hash={}, get_thumbnail)
+ response = []
+ search_params = { limit: 10, misspellings: { below: 5 }, where: {state: validate_object} }
+ objs = search_class.search(query, search_params.merge(params_hash))
+ objs.each do |obj|
+ hash = {}
+ hash["name"] = obj.name
+ hash["thumbnail"] = get_thumbnail.call(obj)
+ hash["url"] = url_for([obj, :only_path => false])
+ response << hash
+ end
+ response
+ end
+
+ def image_tag(image, width=56, height=32)
+ ActionController::Base.helpers.image_tag image, width: width, height: height, class: "autocomplete"
+ end
+
+ def where_hash(params)
+ hash = {}
+
+ topics = params[:topic] unless params[:topic].blank?
+ topics += ", " unless topics.nil?
+ topics = topics.to_s + params[:school_level] unless params[:school_level].blank?
+
+ # build hash
+ hash[:topics_name] = topics.split(', ') unless topics.nil?
+ hash[:object_type] = params[:type].split(', ') unless params[:type].blank?
+ hash[:publisher] = params[:source].split("-s- ") unless params[:source].blank?
+ hash[:state] = validate_object
+ # year = params[:year].blank? ? nil : params[:year].split('-').take(2)
+
+ hash.blank? ? nil : hash
+ end
+
+ def lo_order_hash(order)
+ case order
+ when 'author'
+ { author: {order: :asc, unmapped_type: :string} }
+ when 'publicationasc'
+ { published_at: {order: :asc, unmapped_type: :timestamp} }
+ when 'publicationdesc'
+ { published_at: {order: :desc, unmapped_type: :timestamp} }
+ when 'title'
+ { name: {order: :asc, unmapped_type: :string} }
+ else
+ { score: {order: :desc, unmapped_type: :integer} }
+ end
+ end
+
+ def col_order_hash(order)
+ case order
+ when 'author'
+ { owner: {order: :asc, unmapped_type: :string} }
+ when 'publicationasc'
+ { created_at: {order: :asc, unmapped_type: :timestamp} }
+ when 'publicationdesc'
+ { created_at: {order: :desc, unmapped_type: :timestamp} }
+ when 'title'
+ { name: {order: :asc, unmapped_type: :string} }
+ else
+ { score: {order: :desc, unmapped_type: :integer} }
+ end
+ end
+
+ def user_order_hash(order)
+ if order == 'title'
+ { name: {order: :asc, unmapped_type: :string} }
+ else
+ { score: {order: :desc, unmapped_type: :integer} }
+ end
+ end
+
+ def validate_object
+ return 'published' if current_user.nil? || !current_user.is_admin?
+ return ['published', 'suspended', 'draft']
+ end
+
+end
\ No newline at end of file
--
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