Peter M. Groen / knowledgetree

Commit e701a8b6bccbcff93f18deeb90ea476a553d36a0

Authored by conradverm
1 parent 707f8542

KTS-673 

"The search algorithm needs some work"
Implemented.

Committed By: Conrad Vermeulen
Reviewed By: Kevin Fourie

git-svn-id: https://kt-dms.svn.sourceforge.net/svnroot/kt-dms/trunk@7145 c91229c3-7414-0410-bfa2-8a42b809f60b
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Showing 1 changed file with 422 additions and 0 deletions
search2.php 0 → 100755
  View file @e701a8b
  1 +<?php
  2 +
  3 +session_start();
  4 +require_once("config/dmsDefaults.php");
  5 +require_once(KT_LIB_DIR . "/unitmanagement/Unit.inc");
  6 +
  7 +require_once(KT_LIB_DIR . "/templating/templating.inc.php");
  8 +require_once(KT_LIB_DIR . "/dispatcher.inc.php");
  9 +require_once(KT_LIB_DIR . "/widgets/forms.inc.php");
  10 +require_once(KT_DIR . '/search2/search/search.inc.php');
  11 +
  12 +
  13 +class SearchDispatcher extends KTStandardDispatcher {
  14 +
  15 + private $curUserId;
  16 + private $sysAdmin;
  17 + private $savedSearchId;
  18 +
  19 + const RESULTS_PER_PAGE = 25;
  20 + const MAX_PAGE_MOVEMENT = 10;
  21 +
  22 + public function __construct()
  23 + {
  24 + parent::KTStandardDispatcher();
  25 +
  26 + $this->curUserId = $_SESSION['userID'];
  27 +
  28 + $this->sysAdmin=Permission::userIsSystemAdministrator();
  29 +
  30 + if (array_key_exists('fSavedSearchId',$_GET))
  31 + {
  32 + $this->savedSearchId = sanitizeForSQL($_GET['fSavedSearchId']);
  33 + }
  34 + }
  35 +
  36 + function do_main()
  37 + {
  38 + redirect(KTBrowseUtil::getBrowseBaseUrl());
  39 + }
  40 +
  41 + /**
  42 + * This proceses any given search expression.
  43 + * On success, it redirects to the searchResults page.
  44 + *
  45 + * @param string $query
  46 + */
  47 + private function processQuery($query)
  48 + {
  49 + try
  50 + {
  51 + $expr = parseExpression($query);
  52 +
  53 + $result = $expr->evaluate();
  54 + usort($result, 'rank_compare');
  55 +
  56 + $_SESSION['search2_results'] = serialize($result);
  57 + $_SESSION['search2_query'] = $query;
  58 + $_SESSION['search2_sort'] = 'rank';
  59 +
  60 + $this->redirectTo('searchResults');
  61 + }
  62 + catch(Exception $e)
  63 + {
  64 + $this->errorRedirectTo('guiBuilder', _kt('Could not process query.' . $e->getMessage()));
  65 + }
  66 + }
  67 +
  68 + /**
  69 + * Processes a query sent by HTTP POST in searchQuery.
  70 + *
  71 + */
  72 + function do_process()
  73 + {
  74 + if (empty($_REQUEST['txtQuery']))
  75 + {
  76 + $this->errorRedirectTo('searchResults', _kt('Please reattempt the query. The query is missing.'));
  77 + }
  78 + $query = $_REQUEST['txtQuery'];
  79 +
  80 + session_unregister('search2_savedid');
  81 +
  82 + $this->processQuery($query);
  83 + }
  84 +
  85 + /**
  86 + * Returns the saved query is resolved from HTTP GET fSavedSearchId field.
  87 + *
  88 + * @return mixed False if error, else string.
  89 + */
  90 + private function getSavedExpression()
  91 + {
  92 + if (is_null($this->savedSearchId))
  93 + {
  94 + $this->errorRedirectToParent(_kt('The saved search id was not passed correctly.'));
  95 + }
  96 + $_SESSION['search2_savedid'] = $this->savedSearchId;
  97 +
  98 + $sql = "SELECT name, expression FROM search_saved WHERE type='S' AND id=$this->savedSearchId";
  99 + if (!$this->sysAdmin)
  100 + {
  101 + $sql .= " and ( user_id=$this->curUserId OR shared=1 ) ";
  102 + }
  103 +
  104 + $query = DBUtil::getOneResult($sql);
  105 + if (PEAR::isError($query))
  106 + {
  107 + $this->errorRedirectToParent(_kt('The saved search could not be resolved.'));
  108 + }
  109 +
  110 + $_SESSION['search2_savedname'] = $query['name'];
  111 + return array($query['name'],$query['expression']);
  112 + }
  113 +
  114 + /**
  115 + * Processes a saved query HTTP GET fSavedSearchId
  116 + *
  117 + */
  118 + function do_processSaved()
  119 + {
  120 + list($name, $expr) = $this->getSavedExpression();
  121 +
  122 + $this->processQuery($expr);
  123 + }
  124 +
  125 + /**
  126 + * Renders the search results.
  127 + *
  128 + * @return string
  129 + */
  130 + function do_searchResults()
  131 + {
  132 + $this->oPage->setBreadcrumbDetails(_kt("Search Results"));
  133 + $this->oPage->title = _kt("Search Results");
  134 +
  135 + $oTemplating =& KTTemplating::getSingleton();
  136 + $oTemplate = $oTemplating->loadTemplate("ktcore/search2/search_results");
  137 +
  138 + $results = unserialize($_SESSION['search2_results']);
  139 +
  140 + if (!is_array($results) || count($results) == 0)
  141 + {
  142 + $results=array();
  143 + }
  144 +
  145 + $numRecs = count($results);
  146 + $showall = $_GET['showAll'];
  147 + if (is_numeric($showall))
  148 + {
  149 + $showall = ($showall+0) > 0;
  150 + }
  151 + else
  152 + {
  153 + $showall = ($showall == 'true');
  154 + }
  155 + $config = KTConfig::getSingleton();
  156 + $resultsPerPage = ($showall)?$numRecs:$config->get('search/resultsPerPage', SearchDispatcher::RESULTS_PER_PAGE);
  157 +
  158 +
  159 +
  160 + $maxPageMove = SearchDispatcher::MAX_PAGE_MOVEMENT;
  161 +
  162 +
  163 +
  164 + $pageOffset = 1;
  165 + if (isset($_GET['pageOffset']))
  166 + {
  167 + $pageOffset = $_GET['pageOffset'];
  168 + }
  169 +
  170 +
  171 + $maxPages = ceil($numRecs / $resultsPerPage) ;
  172 + if ($pageOffset <= 0 || $pageOffset > $maxPages)
  173 + {
  174 + $pageOffset = 1;
  175 + }
  176 +
  177 +
  178 + $firstRec = ($pageOffset-1) * $resultsPerPage;
  179 + $lastRec = $firstRec + $resultsPerPage;
  180 + if ($lastRec > $numRecs)
  181 + {
  182 + $lastRec = $numRecs;
  183 + }
  184 +
  185 + $display = array_slice($results,$firstRec ,$resultsPerPage);
  186 +
  187 +
  188 +
  189 + $startOffset = $pageOffset - $maxPageMove;
  190 + if ($startOffset < 1)
  191 + {
  192 + $startOffset = 1;
  193 + }
  194 + $endOffset = $pageOffset + $maxPageMove;
  195 + if ($endOffset > $maxPages)
  196 + {
  197 + $endOffset = $maxPages;
  198 + }
  199 +
  200 +
  201 +
  202 + $pageMovement = array();
  203 + for($i=$startOffset;$i<=$endOffset;$i++)
  204 + {
  205 + $pageMovement[] = $i;
  206 + }
  207 +
  208 +
  209 +
  210 +
  211 + $aBulkActions = KTBulkActionUtil::getAllBulkActions();
  212 +
  213 + $aTemplateData = array(
  214 + "context" => $this,
  215 + 'bulkactions'=>$aBulkActions,
  216 + 'firstRec'=>$firstRec,
  217 + 'lastRec'=>$lastRec,
  218 + 'showAll'=>$showall,
  219 + 'numResults' => count($results),
  220 + 'pageOffset' => $pageOffset,
  221 + 'resultsPerPage'=>$resultsPerPage,
  222 + 'maxPages' => $maxPages,
  223 + 'results' => $display,
  224 + 'pageMovement'=>$pageMovement,
  225 + 'startMovement'=>$startOffset,
  226 + 'endMovement'=>$endOffset,
  227 + 'txtQuery' => $_SESSION['search2_query'],
  228 + 'iSavedID' => $_SESSION['search2_savedid'],
  229 + 'txtSavedName' => $_SESSION['search2_savedname']
  230 + );
  231 +
  232 + return $oTemplate->render($aTemplateData);
  233 + }
  234 +
  235 + function do_manage()
  236 + {
  237 + $this->oPage->setBreadcrumbDetails(_kt("Manage Saved Searches"));
  238 + $this->oPage->title = _kt("Manage Saved Searches");
  239 +
  240 + $sql = "SELECT ss.id, ss.name, u.name as username, user_id is not null as editable, shared
  241 + FROM search_saved ss
  242 + LEFT OUTER JOIN users u on ss.user_id = u.id
  243 + WHERE ss.type='S' ";
  244 +
  245 + if (!$this->sysAdmin)
  246 + {
  247 + $sql .= " AND (ss.user_id=$this->curUserId OR ss.shared=1)";
  248 + }
  249 +
  250 + $saved = DBUtil::getResultArray($sql);
  251 +
  252 + $oTemplating =& KTTemplating::getSingleton();
  253 + $oTemplate = $oTemplating->loadTemplate("ktcore/search2/manage_saved_search");
  254 + $aTemplateData = array(
  255 + "context" => $this,
  256 + 'saved'=>$saved,
  257 + 'sysadmin'=>$this->sysAdmin
  258 + );
  259 +
  260 + return $oTemplate->render($aTemplateData);
  261 + }
  262 +
  263 + function do_share()
  264 + {
  265 + if (is_null($this->savedSearchId))
  266 + {
  267 + $this->errorRedirectTo('manage', _kt('The saved search id was not passed correctly.'));
  268 + }
  269 + if (!array_key_exists('share',$_GET))
  270 + {
  271 + $this->errorRedirectTo('manage', _kt('The sharing option was not passed correctly.'));
  272 + }
  273 +
  274 + if ($_GET['share']=='no')
  275 + {
  276 + $share=0;
  277 + $msg = _kt("The saved search can only be seen by you.");
  278 + }
  279 + else
  280 + {
  281 + $share=1;
  282 + $msg = _kt("The saved search is now visible to all users.");
  283 + }
  284 +
  285 +
  286 + $sql = "UPDATE search_saved SET shared=$share WHERE type='S' AND id=$this->savedSearchId";
  287 + if (!$this->sysAdmin)
  288 + {
  289 + $sql .= " AND ss.user_id=$this->curUserId";
  290 + }
  291 +
  292 + DBUtil::runQuery($sql);
  293 + $this->successRedirectTo('manage', $msg);
  294 +
  295 + }
  296 +
  297 + function do_delete()
  298 + {
  299 + if (is_null($this->savedSearchId))
  300 + {
  301 + $this->errorRedirectTo('manage', _kt('The saved search id was not passed correctly.'));
  302 + }
  303 +
  304 + $sql = "DELETE FROM search_saved WHERE type='S' AND id=$this->savedSearchId";
  305 + if (!$this->sysAdmin)
  306 + {
  307 + $sql .= " AND user_id=$this->curUserId ";
  308 + }
  309 +
  310 +
  311 + DBUtil::runQuery($sql);
  312 + $this->successRedirectTo('manage', _kt('The saved search was deleted successfully.'));
  313 +
  314 + }
  315 +
  316 + function do_guiBuilder()
  317 + {
  318 + $this->oPage->setBreadcrumbDetails(_kt("Query Builder"));
  319 + $this->oPage->title = _kt("Query Builder");
  320 +
  321 + $result = array();
  322 +
  323 + // TODO: need to escape the parameters
  324 +
  325 + $result['fieldsets'] = SearchHelper::getFieldsets();
  326 + $result['fieldset_str'] = SearchHelper::getJSfieldsetStruct($result['fieldsets']);
  327 +
  328 + $result['workflows'] = SearchHelper::getWorkflows();
  329 + $result['workflow_str'] = SearchHelper::getJSworkflowStruct($result['workflows']);
  330 +
  331 + $result['fields'] = SearchHelper::getSearchFields();
  332 + $result['fields_str'] = SearchHelper::getJSfieldsStruct($result['fields']);
  333 +
  334 + $result['users_str'] = SearchHelper::getJSusersStruct();
  335 + $result['mimetypes_str'] = SearchHelper::getJSmimeTypesStruct();
  336 + $result['documenttypes_str'] = SearchHelper::getJSdocumentTypesStruct();
  337 +
  338 + $oTemplating =& KTTemplating::getSingleton();
  339 + $oTemplate = $oTemplating->loadTemplate("ktcore/search2/adv_query_builder");
  340 + $aTemplateData = array(
  341 + "context" => $this,
  342 + 'metainfo'=> $result
  343 + );
  344 +
  345 + return $oTemplate->render($aTemplateData);
  346 + }
  347 +
  348 + function do_queryBuilder()
  349 + {
  350 + $this->oPage->setBreadcrumbDetails(_kt("Advanced Query Builder"));
  351 + $this->oPage->title = _kt("Advanced Query Builder");
  352 + $oTemplating =& KTTemplating::getSingleton();
  353 + $oTemplate = $oTemplating->loadTemplate("ktcore/search2/adv_query_search");
  354 +
  355 +
  356 + $registry = ExprFieldRegistry::getRegistry();
  357 + $aliases = $registry->getAliasNames();
  358 + sort($aliases);
  359 +
  360 + $edit = is_numeric($this->savedSearchId);
  361 + $name = '';
  362 + if ($edit)
  363 + {
  364 + list($name, $expr) = $this->getSavedExpression();
  365 + }
  366 + else
  367 + {
  368 + $expr = $_SESSION['search2_query'];
  369 + }
  370 +
  371 + $aTemplateData = array(
  372 + "context" => $this,
  373 + 'aliases' => $aliases,
  374 + 'bSave'=>$edit,
  375 + 'edtSaveQueryName'=>$name,
  376 + 'txtQuery'=>$expr,
  377 + 'iSavedSearchId'=>$this->savedSearchId
  378 +
  379 + );
  380 + return $oTemplate->render($aTemplateData);
  381 + }
  382 +
  383 + function do_metadata()
  384 + {
  385 + $this->oPage->setBreadcrumbDetails(_kt("Metadata Query Builder"));
  386 + $this->oPage->title = _kt("Metadata Query Builder");
  387 +
  388 + $result = array();
  389 +
  390 + $result['fieldsets'] = SearchHelper::getFieldsets();
  391 + $result['fieldset_str'] = SearchHelper::getJSfieldsetStruct($result['fieldsets']);
  392 +
  393 + $result['users_str'] = SearchHelper::getJSusersStruct();
  394 +
  395 + $oTemplating =& KTTemplating::getSingleton();
  396 + $oTemplate = $oTemplating->loadTemplate("ktcore/search2/metadata_search");
  397 + $aTemplateData = array(
  398 + "context" => $this,
  399 + 'metainfo'=> $result
  400 + );
  401 + return $oTemplate->render($aTemplateData);
  402 + }
  403 +
  404 + function do_tree()
  405 + {
  406 + $this->oPage->setBreadcrumbDetails(_kt("Tree Browser"));
  407 + $this->oPage->title = _kt("Tree Browser");
  408 +
  409 + $oTemplating =& KTTemplating::getSingleton();
  410 + $oTemplate = $oTemplating->loadTemplate("ktcore/search2/tree");
  411 + $aTemplateData = array(
  412 + "context" => $this
  413 + );
  414 + return $oTemplate->render($aTemplateData);
  415 + }
  416 +}
  417 +
  418 +
  419 +$oDispatcher = new SearchDispatcher();
  420 +$oDispatcher->dispatch();
  421 +
  422 +?>
0 423 \ No newline at end of file
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