use dsl for search definition and fix pagination

app/controllers/search_controller.rb

@@ -1,35 +1,5 @@
 class SearchController < ApplicationController
   def index
-    @paper_type = params[:paper_type]
-    @originator = params[:originator]
-
-    @show_search_result = @show_filters = params[:q].present?
-    papers_found = if @show_search_result
-      Paper.search(params[:q]).records
-    else
-      Paper.all
-    end
- 
-    if @show_filters
-
-      @paper_types_found = papers_found.map(&:paper_type).uniq
-      @originators_found = papers_found.map(&:originator).uniq
-
-      if @paper_type.present?
-        papers_found = papers_found.where(paper_type: @paper_type)
-      end
-
-      if @originator.present?
-        papers_found = papers_found.where(originator: @originator)
-      end
-    end
-
-    @papers_count = papers_found.page(params[:page]).total_count
-    @papers = papers_found.page(params[:page])
-                # Fixme Pagination
-                #order(published_at: :desc).
-                # page(params[:page])
-
-
+    @papers = Paper.search(params[:q]).page(params[:page]).results
   end
 end

app/models/paper.rb

@@ -29,5 +29,26 @@ class Paper < ActiveRecord::Base
       end
       puts "Imported #{count - old_count} Papers!"
     end
+
+    # use DSL to define search queries
+    # see https://github.com/elastic/elasticsearch-ruby/tree/master/elasticsearch-dsl
+    # and https://github.com/elastic/elasticsearch-rails/tree/master/elasticsearch-rails/lib/rails/templates
+    def search(q)
+      @search_definition = Elasticsearch::DSL::Search.search do
+        query do
+          unless q.blank?
+            multi_match do
+              query q
+              fields ["name", "content"]
+            end
+          else
+            match_all
+          end
+        end
+      end
+      puts @search_definition.to_hash
+      __elasticsearch__.search(@search_definition)
+    end
+
   end
 end

app/views/search/_form.slim

@@ -1,6 +1,6 @@
 = form_tag(search_path, method: :get)
   = text_field_tag(:q, params[:q], placeholder: 'Suche…', autofocus: true)
-  - if @show_filters
+  - if false #@show_filters
     fieldset
       legend Ergebnisse filtern
       .row

app/views/search/index.html.slim

@@ -2,13 +2,13 @@ div
   = render 'search/form'
 
 .clearfix
-  - if @show_search_result
+  - if params[:q].present?
     .left
-      | #{@papers_count} Treffer
+      | #{@papers.total} Treffer
     .right
       / button.button. TODO: Suche Abbonieren
   - else
-    | #{@papers_count} Dokumente in der Datenbank
+    | #{@papers.total} Dokumente in der Datenbank
 div
   ul.no-bullet
     - @papers.each do |doc|

config/initializers/kaminari_config.rb

@@ -1,5 +1,5 @@
 Kaminari.configure do |config|
-  # config.default_per_page = 25
+  config.default_per_page = 10
   # config.max_per_page = nil
   # config.window = 4
   # config.outer_window = 0