From 98337f23342c91d0be6ef52cfffc428cc907f0e4 Mon Sep 17 00:00:00 2001
From: clemkeirua <clement@keiruaprod.fr>
Date: Fri, 3 Apr 2020 16:07:18 +0200
Subject: [PATCH] recherche usager full-text avec 1 resultat

---
 app/controllers/users/dossiers_controller.rb | 10 ++++-----
 app/services/dossier_search_service.rb       | 23 ++++++++++++++++++++
 2 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/app/controllers/users/dossiers_controller.rb b/app/controllers/users/dossiers_controller.rb
index c69c4d1d1..38e285248 100644
--- a/app/controllers/users/dossiers_controller.rb
+++ b/app/controllers/users/dossiers_controller.rb
@@ -219,13 +219,13 @@ module Users
     end
 
     def recherche
-      @dossier_id = params[:q]
-      dossier = current_user.dossiers.find_by(id: @dossier_id)
+      @search_terms = params[:q]
+      @dossiers = DossierSearchService.matching_dossiers_for_user(@search_terms, current_user)
 
-      if dossier
-        redirect_to url_for_dossier(dossier)
+      if @dossiers.present?
+        redirect_to url_for_dossier(@dossiers.first)
       else
-        flash.alert = "Vous n’avez pas de dossier avec le nº #{@dossier_id}."
+        flash.alert = "Vous n’avez pas de dossier contenant «#{@search_terms}»."
         redirect_to dossiers_path
       end
     end
diff --git a/app/services/dossier_search_service.rb b/app/services/dossier_search_service.rb
index a161e8e50..67308babb 100644
--- a/app/services/dossier_search_service.rb
+++ b/app/services/dossier_search_service.rb
@@ -4,6 +4,11 @@ class DossierSearchService
       .presence || dossier_by_full_text_for_instructeur(search_terms, instructeur)
   end
 
+  def self.matching_dossiers_for_user(search_terms, user)
+    dossier_by_exact_id_for_user(search_terms, user)
+      .presence || dossier_by_full_text_for_user(search_terms, user.dossiers) || dossier_by_full_text_for_user(search_terms, user.dossiers_invites)
+  end
+
   private
 
   def self.dossier_by_exact_id_for_instructeur(search_terms, instructeur)
@@ -26,6 +31,24 @@ class DossierSearchService
     false
   end
 
+  def self.dossier_by_full_text_for_user(search_terms, dossiers)
+    ts_vector = "to_tsvector('french', search_terms)"
+    ts_query = "to_tsquery('french', #{Dossier.connection.quote(to_tsquery(search_terms))})"
+
+    dossiers
+      .where("#{ts_vector} @@ #{ts_query}")
+      .order("COALESCE(ts_rank(#{ts_vector}, #{ts_query}), 0) DESC")
+  end
+
+  def self.dossier_by_exact_id_for_user(search_terms, user)
+    id = search_terms.to_i
+    if id != 0 && id_compatible?(id) # Sometimes user is searching dossiers with a big number (ex: SIRET), ActiveRecord can't deal with them and throws ActiveModel::RangeError. id_compatible? prevents this.
+      Dossier.where(id: user.dossiers.where(id: id) + user.dossiers_invites.where(id: id)).distinct
+    else
+      Dossier.none
+    end
+  end
+
   def self.dossier_by_full_text_for_instructeur(search_terms, instructeur)
     ts_vector = "to_tsvector('french', search_terms || private_search_terms)"
     ts_query = "to_tsquery('french', #{Dossier.connection.quote(to_tsquery(search_terms))})"