feature 2791: batch manager, filter by filesize

git-svn-id: http://piwigo.org/svn/trunk@29238 68402e56-0260-453c-a942-63ccdbb3a9ee

3 files changed, 138 insertions, 2 deletions

diff --git a/admin/batch_manager.php b/admin/batch_manager.php
index c34ee7406..e00364367 100644
--- a/admin/batch_manager.php
+++ b/admin/batch_manager.php
@@ -132,6 +132,17 @@ if (isset($_POST['submitFilter']))
     }
   }
 
+  if (isset($_POST['filter_filesize_use']))
+  {
+    foreach (array('min','max') as $type)
+    {
+      if ( preg_match('#^[0-9\.]+$#', $_POST['filter_filesize_'. $type ]) )
+      {
+        $_SESSION['bulk_manager_filter']['filesize'][$type] = $_POST['filter_filesize_'. $type ];
+      }
+    }
+  }
+
   if (isset($_POST['filter_search_use']))
   {
     $_SESSION['bulk_manager_filter']['search']['q'] = $_POST['q'];
@@ -412,6 +423,29 @@ SELECT id
   $filter_sets[] = query2array($query, null, 'id');
 }
 
+if (isset($_SESSION['bulk_manager_filter']['filesize']))
+{
+  $where_clauses = array();
+  
+  if (isset($_SESSION['bulk_manager_filter']['filesize']['min']))
+  {
+    $where_clause[] = 'filesize >= '.$_SESSION['bulk_manager_filter']['filesize']['min']*1024;
+  }
+  
+  if (isset($_SESSION['bulk_manager_filter']['filesize']['max']))
+  {
+    $where_clause[] = 'filesize <= '.$_SESSION['bulk_manager_filter']['filesize']['max']*1024;
+  }
+
+  $query = '
+SELECT id
+  FROM '.IMAGES_TABLE.'
+  WHERE '.implode(' AND ',$where_clause).'
+  '.$conf['order_by'];
+
+  $filter_sets[] = query2array($query, null, 'id');
+}
+
 if (isset($_SESSION['bulk_manager_filter']['search']))
 {
   include_once( PHPWG_ROOT_PATH .'include/functions_search.inc.php' );
@@ -579,6 +613,55 @@ foreach (array_keys($dimensions['bounds']) as $type)
 
 $template->assign('dimensions', $dimensions);
 
+// +-----------------------------------------------------------------------+
+// | filesize                                                              |
+// +-----------------------------------------------------------------------+
+
+$filesizes = array();
+
+$query = '
+SELECT
+  filesize
+  FROM '.IMAGES_TABLE.'
+  WHERE filesize IS NOT NULL
+  GROUP BY filesize
+;';
+$result = pwg_query($query);
+
+while ($row = pwg_db_fetch_assoc($result))
+{
+  $filesizes[] = sprintf('%.1f', $row['filesize']/1024);
+}
+
+if (empty($filesizes))
+{ // arbitrary values, only used when no photos on the gallery
+  $filesizes = array(0, 1, 2, 5, 8, 15);
+}
+
+$filesizes = array_unique($filesizes);
+sort($filesizes);
+
+// add 0.1MB to the last value, to make sure the heavier photo will be in
+// the result
+$filesizes[count($filesizes)-1]+= 0.1;
+
+$filesize['list'] = implode(',', $filesizes);
+
+$filesize['bounds'] = array(
+  'min' => $filesizes[0],
+  'max' => $filesizes[count($filesizes)-1],
+  );
+
+// selected=bound if nothing selected
+foreach (array_keys($filesize['bounds']) as $type)
+{
+  $filesize['selected'][$type] = isset($_SESSION['bulk_manager_filter']['filesize'][$type])
+    ? $_SESSION['bulk_manager_filter']['filesize'][$type]
+    : $filesize['bounds'][$type]
+  ;
+}
+
+$template->assign('filesize', $filesize);
 
 // +-----------------------------------------------------------------------+
 // |                         open specific mode                            |
diff --git a/admin/themes/default/template/batch_manager_global.tpl b/admin/themes/default/template/batch_manager_global.tpl
index 94adb98be..6ee116408 100644
--- a/admin/themes/default/template/batch_manager_global.tpl
+++ b/admin/themes/default/template/batch_manager_global.tpl
@@ -353,6 +353,43 @@ $(document).ready(function() {
 			.slider("values", 1, getSliderKeyFromValue(max, dimension_values[type]) );
   });
 
+  {* filesize, copied from dimensions filter and modified, to be moved in a plugin later *}
+  var filesize_values = [{$filesize.list}];
+
+  function filesize_onSliderChange(ui, pattern) {
+    $("input[name='filter_filesize_min']").val(filesize_values[ui.values[0]]);
+    $("input[name='filter_filesize_max']").val(filesize_values[ui.values[1]]);
+
+    $("#filter_filesize_info").html(sprintf(
+      pattern,
+      filesize_values[ui.values[0]],
+      filesize_values[ui.values[1]]
+    ));
+  }
+	
+  $("#filter_filesize_slider").slider({
+    range: true,
+    min: 0,
+    max: filesize_values.length - 1,
+    values: [
+      getSliderKeyFromValue({$filesize.selected.min}, filesize_values),
+      getSliderKeyFromValue({$filesize.selected.max}, filesize_values)
+    ],
+    slide: function(event, ui) {
+      filesize_onSliderChange(ui, "{'between %s and %s MB'|translate|escape:'javascript'}");
+    },
+    change: function(event, ui) {
+      filesize_onSliderChange(ui, "{'between %s and %s MB'|translate|escape:'javascript'}");
+    }
+  });
+
+  $("a.filesize-choice").click(function() {
+    $("#filter_filesize_slider")
+      .slider("values", 0, 0)
+      .slider("values", 1, filesize_values.length - 1);
+  });
+
+
   jQuery("select[name=filter_prefilter]").change(function() {
     jQuery("#empty_caddie").toggle(jQuery(this).val() == "caddie");
   });
@@ -460,6 +497,21 @@ $(document).ready(function() {
 				{combine_script id='core.scripts' load='async' path='themes/default/js/scripts.js'}
 				<a href="admin/popuphelp.php?page=quick_search" onclick="popuphelp(this.href);return false;" title="{'Help'|@translate}"><span class="icon-help-circled"></span></a>
 			</li>
+
+      <li id="filter_filesize" {if !isset($filter.filesize)}style="display:none"{/if}>
+        <a href="#" class="removeFilter" title="remove this filter"><span>[x]</span></a>
+        <input type="checkbox" name="filter_filesize_use" class="useFilterCheckbox" {if isset($filter.filesize)}checked="checked"{/if}>
+        {'Filesize'|@translate}
+
+        <blockquote>
+          <span id="filter_filesize_info">{'between %s and %s MB'|@translate:$filesize.selected.min:$filesize.selected.max}</span>
+          | <a class="filesize-choice">{'Reset'|@translate}</a>
+          <div id="filter_filesize_slider"></div>
+        </blockquote>
+
+        <input type="hidden" name="filter_filesize_min" value="{$filesize.selected.min}">
+        <input type="hidden" name="filter_filesize_max" value="{$filesize.selected.max}">
+      </li>
     </ul>
 
     <p class="actionButtons">
@@ -471,6 +523,7 @@ $(document).ready(function() {
         <option value="filter_tags" {if isset($filter.tags)}disabled="disabled"{/if}>{'Tags'|@translate}</option>
         <option value="filter_level" {if isset($filter.level)}disabled="disabled"{/if}>{'Privacy level'|@translate}</option>
         <option value="filter_dimension" {if isset($filter.dimension)}disabled="disabled"{/if}>{'Dimensions'|@translate}</option>
+        <option value="filter_filesize" {if isset($filter.filesize)}disabled="disabled"{/if}>{'Filesize'|@translate}</option>
 				<option value="filter_search"{if isset($filter.search)} disabled="disabled"{/if}>{'Search'|@translate}</option>
       </select>
       <a id="removeFilters">{'Remove all filters'|@translate}</a>
diff --git a/admin/themes/default/theme.css b/admin/themes/default/theme.css
index 05f7282f0..1dd29258f 100644
--- a/admin/themes/default/theme.css
+++ b/admin/themes/default/theme.css
@@ -978,8 +978,8 @@ LEGEND {
 #batchManagerGlobal #applyFilterBlock {margin-top:20px;}
 #batchManagerGlobal .useFilterCheckbox {display:none;}
 
-#batchManagerGlobal #filter_dimension blockquote {margin:5px 0 20px 15px;}
-#batchManagerGlobal #filter_dimension .ui-slider-horizontal {width:650px;margin:5px 0 10px 0;}
+#batchManagerGlobal blockquote {margin:5px 0 20px 15px;}
+#batchManagerGlobal .ui-slider-horizontal {width:650px;margin:5px 0 10px 0;}
 
 #order_filters a.addFilter {font-weight:normal;margin-left:20px;}
 #order_filters a.removeFilter {font-weight:normal;}