diff --git a/VERSIONS_WIP/50471 b/VERSIONS_WIP/50471
new file mode 100644
index 0000000000000000000000000000000000000000..eeb1f4fe41fbe2cdceb0a1200171283d51c2792f
--- /dev/null
+++ b/VERSIONS_WIP/50471
@@ -0,0 +1 @@
+- ticket #50471 : ajout d'un sélecteur de domaines dans la boîte de recherche simple
\ No newline at end of file
diff --git a/library/Class/CodifThesaurus.php b/library/Class/CodifThesaurus.php
index c42b55c3222769643b7ca1c529bfcc371a180259..2be4f8956f5ed8d15a3f6286eaaed2812109eac8 100644
--- a/library/Class/CodifThesaurus.php
+++ b/library/Class/CodifThesaurus.php
@@ -32,6 +32,7 @@ class CodifThesaurusLoader extends Storm_Model_Loader {
 
 
   public function findThesaurusForCatalogue($catalogue_id) {
+    xdebug_break();
     return Class_CodifThesaurus::getLoader()
       ->findFirstBy(['id_origine'=> $catalogue_id,
                      'code' => Class_CodifThesaurus::fixedCodeOf('Domain')]);
diff --git a/library/Class/Systeme/ModulesAccueil/RechercheSimple.php b/library/Class/Systeme/ModulesAccueil/RechercheSimple.php
index 315f52e33c547d810b000f12b48f1a1212497e7e..beab0248ab3aae138189fa017f018c9cf79b8215 100644
--- a/library/Class/Systeme/ModulesAccueil/RechercheSimple.php
+++ b/library/Class/Systeme/ModulesAccueil/RechercheSimple.php
@@ -52,7 +52,8 @@ class Class_Systeme_ModulesAccueil_RechercheSimple extends Class_Systeme_Modules
      'tri' => '*',
      'profil_redirect' => 0, //type de profil vers lequel basculer lors d'une recherche
      'placeholder' => '', //message d'exemple dans le champ de recherche
-     'search_button' => ''//search button text value
+     'search_button' => '', //search button text value,
+     'domain_ids' => '' // list of domains user can choose to restrict search
     ];
 }
 ?>
\ No newline at end of file
diff --git a/library/ZendAfi/View/Helper/TagRechercheSimple.php b/library/ZendAfi/View/Helper/TagRechercheSimple.php
index b9599aac203ecf478b9520f2246340e408b1b790..17f741d483575769ed1b605bca4802501288ba57 100644
--- a/library/ZendAfi/View/Helper/TagRechercheSimple.php
+++ b/library/ZendAfi/View/Helper/TagRechercheSimple.php
@@ -147,7 +147,7 @@ class ZendAfi_View_Helper_TagRechercheSimple extends Zend_View_Helper_HtmlElemen
 
 
   public function renderDomainSelect() {
-    $domain_ids = array_filter(explode('-', trim($this->preferences['domain_ids'])));
+    $domain_ids = array_filter(explode('-', trim($this->preferences['domain_ids'])), 'is_numeric');
     if (!$domain_ids)
       return '';
 
diff --git a/tests/application/modules/admin/controllers/AccueilControllerTest.php b/tests/application/modules/admin/controllers/AccueilControllerTest.php
index f1a90dc463a3ec191a2255fe3b61f882e4f07db3..3e54432e1eb52ddd5893040cae81ae9959f03bc8 100644
--- a/tests/application/modules/admin/controllers/AccueilControllerTest.php
+++ b/tests/application/modules/admin/controllers/AccueilControllerTest.php
@@ -822,7 +822,8 @@ abstract class AccueilControllerRechSimpleConfigurationTestCase extends Admin_Ab
                         'id_module' => 2,
                         'preferences' => ['titre' => 'Recherchez',
                                           'boite' => 'boite_vide',
-                                          'placeholder' => 'ex: Potter']];
+                                          'placeholder' => 'ex: Potter',
+                                          'domain_ids' => '4']];
 
     $this->_profil_adulte = Class_Profil::getCurrentProfil()
       ->setLibelle('Adulte')
@@ -898,6 +899,7 @@ class AccueilControllerRechSimpleConfigurationTest extends AccueilControllerRech
       ->answers([$this->_profil_adulte,
                  Class_Profil::newInstanceWithId(98, ['libelle' => 'Jeunesse'])]);
 
+
     $this->request_url = '/admin/accueil/rechsimple?id_module=2&type_module=RECH_SIMPLE&config=accueil';
     $this->dispatch($this->request_url, true);
   }
@@ -948,6 +950,15 @@ class AccueilControllerRechSimpleConfigurationTest extends AccueilControllerRech
   }
 
 
+  /** @test */
+  public function domainSelectorShouldBePresent() {
+    $this->assertXPath('//input[@name="domain_ids"][@value="4"]');
+  }
+
+  /** @test */
+  public function domainSelectorScriptShouldBeLoaded() {
+    $this->assertXPathContentContains('//script', '$.getJSON("/abonne/viewable-domains-json"');
+  }
 }
 
 
diff --git a/tests/library/ZendAfi/View/Helper/TagRechercheSimpleTest.php b/tests/library/ZendAfi/View/Helper/TagRechercheSimpleTest.php
index 47210c9b6d33da0e7cf53b4f36801479598ef26a..ad2abe667a8b8cf04e3c9c67b95584da2c53086b 100644
--- a/tests/library/ZendAfi/View/Helper/TagRechercheSimpleTest.php
+++ b/tests/library/ZendAfi/View/Helper/TagRechercheSimpleTest.php
@@ -72,10 +72,76 @@ class ZendAfi_View_Helper_TagRechercheSimpleDefaultTest extends ViewHelperTestCa
     $html = $this->_helper->tagRechercheSimple($this->_preferences, 1);
     $this->assertXPath($html, '//form//input[@name="expressionRecherche"][@placeholder="ex: Nineteen Eighty Four"]');
   }
+
+
+  /** @test */
+  public function withoutDomainPreferencesMultifacetCheckboxShouldNotBeIncluded() {
+    $html = $this->_helper->tagRechercheSimple($this->_preferences, 1);
+    $this->assertNotXPath($html, '//input[contains(@name, "multifacet")]');
+  }
+
+
+  /** @test */
+  public function withDomainPreferencesMultifacetCheckboxShouldBePresent() {
+    Storm_Test_ObjectWrapper::onLoaderOfModel('Class_Catalogue')
+      ->whenCalled('saveThesaurus')
+      ->answers(null);
+    $this->fixture('Class_Catalogue',
+                   ['id' => 4,
+                    'libelle' => 'Adults']);
+
+    $this->fixture('Class_Catalogue',
+                   ['id' => 5,
+                    'libelle' => 'Youths']);
+
+    $this->fixture('Class_CodifThesaurus',
+                   ['id' => 4,
+                    'id_thesaurus' => 'CCCC0004',
+                    'id_origine' => 4,
+                    'code' => 'Catalogue',
+                    'libelle' => 'Adults']);
+
+    $this->fixture('Class_CodifThesaurus',
+                   ['id' => 5,
+                    'id_thesaurus' => 'CCCC0005',
+                    'id_origine' => 5,
+                    'code' => 'Catalogue',
+                    'libelle' => 'Youth']);
+
+    $this->_preferences['domain_ids'] = 'a-4-5-b 1-';
+    $html = $this->_helper->tagRechercheSimple($this->_preferences, 1);
+    $this->assertXPathCount($html, '//input[@type="checkbox"][contains(@name, "multifacet")]',
+                            2);
+    return $html;
+  }
+
+
+  /**
+   * @depends withDomainPreferencesMultifacetCheckboxShouldBePresent
+   * @test
+   */
+  public function multifaceHCCCC0004ShouldBePresent($html) {
+    $this->assertXPathContentContains($html,
+                                      '//label[preceding-sibling::input[@name="multifacet_HCCCC0004"]]',
+                                      'Adult');
+  }
+
+
+  /**
+   * @depends withDomainPreferencesMultifacetCheckboxShouldBePresent
+   * @test
+   */
+  public function multifaceHCCCC0005ShouldBePresent($html) {
+    $this->assertXPathContentContains($html,
+                                      '//label[preceding-sibling::input[@name="multifacet_HCCCC0005"]]',
+                                      'Youth',
+                                      $html);
+  }
 }
 
 
 
+
 class ZendAfi_View_Helper_TagRechercheSimpleWithSessionParamsTest extends ViewHelperTestCase {
   protected $_session;