function extractFormElementsQuick($sqlQuery, $showLinks, $userID, $displayType, $originalDisplayType)
{
global $tableRefs, $tableUserData;
// defined in 'db.inc.php'
global $defaultFieldsListViewMajor;
// these variables are specified in 'ini.inc.php'
global $defaultFieldsListViewMinor;
global $query;
$quickSearchSelector = $_REQUEST['quickSearchSelector'];
// extract field name chosen by the user
$quickSearchName = $_REQUEST['quickSearchName'];
// extract search text entered by the user
$userMainFieldsArray = preg_split("/ *, */", $_SESSION['userMainFields']);
// get the list of "main fields" preferred by the current user
if (!empty($originalDisplayType)) {
// NOTE: if the user submits the 'quickSearch' form from Browse view, we currently don't display
// the new search results in Browse view but switch to the user's default view instead
if ($originalDisplayType == "Browse") {
// note that, as long as the 'quickSearch' form doesn't transmit a 'submit' parameter, the next line
// isn't strictly necessary (since then '$displayType' will already contain the user's default view)
$displayType = $_SESSION['userDefaultView'];
} else {
// re-assign the correct display type (i.e. the view that was active when the user clicked the 'Search' button of the 'quickSearch' form):
$displayType = $originalDisplayType;
}
}
// Build SELECT clause:
if (preg_match("/^(Cite|Display)\$/i", $displayType)) {
if (preg_match("/^Display\$/i", $displayType) and isset($_SESSION['lastDetailsViewQuery'])) {
$previousSelectClause = extractSELECTclause($_SESSION['lastDetailsViewQuery']);
// function 'extractSELECTclause()' is defined in 'include.inc.php'
$query = buildSELECTclause($displayType, $showLinks, "", false, true, $previousSelectClause);
// function 'buildSELECTclause()' is defined in 'include.inc.php'
} else {
// generate a new SELECT clause that's appropriate for Citation view (or Details view):
$query = buildSELECTclause($displayType, $showLinks);
}
} else {
if ($quickSearchSelector == "main_fields") {
$additionalFields = $defaultFieldsListViewMinor;
// note that for the "main fields" option, we simply display the default list of columns
} else {
// if the default list of "major" fields (to be displayed in List view) doesn't already contain the chosen field name...
// (which is e.g. the case for the 'keywords' & 'abstract' fields)
if (!preg_match("/" . $quickSearchSelector . "/", $defaultFieldsListViewMajor)) {
$additionalFields = $quickSearchSelector;
} else {
$additionalFields = $defaultFieldsListViewMinor;
}
// ...otherwise, add further default columns
}
$query = buildSELECTclause("", $showLinks, $additionalFields, false, true, $defaultFieldsListViewMajor);
}
// Build FROM clause:
if (isset($_SESSION['loginEmail'])) {
// if a user is logged in...
$query .= " FROM {$tableRefs} LEFT JOIN {$tableUserData} ON serial = record_id AND user_id = " . $userID;
} else {
// NO user logged in
$query .= " FROM {$tableRefs}";
}
// Build WHERE clause:
$query .= " WHERE";
// we construct a hierarchical '$searchArray' from the given search field name(s) & value;
// this array then gets merged into a full SQL WHERE clause by function 'appendToWhereClause()'
$searchArray = array();
$searchArray[] = array("_boolean" => "", "_query" => "serial RLIKE \".+\"");
if ($quickSearchName != "") {
if ($quickSearchSelector == "main_fields") {
$searchSubArray = array();
foreach ($userMainFieldsArray as $userMainField) {
$searchSubArray[] = array("_boolean" => "OR", "_query" => $userMainField . " RLIKE " . quote_smart($quickSearchName));
}
$searchArray[] = array("_boolean" => "AND", "_query" => $searchSubArray);
} else {
$searchArray[] = array("_boolean" => "AND", "_query" => $quickSearchSelector . " RLIKE " . quote_smart($quickSearchName));
}
}
appendToWhereClause($searchArray);
// function 'appendToWhereClause()' is defined in 'include.inc.php'
// Build ORDER BY clause:
$query .= " ORDER BY ";
if ($originalDisplayType != "Browse" and !empty($sqlQuery)) {
// use the custom ORDER BY clause chosen by the user:
$query .= extractORDERBYclause($sqlQuery);
} else {
// add the default ORDER BY clause:
$query .= "author, year DESC, publication";
}
return array($query, $displayType);
}
}
// -------------------------------------------------------------------------------------------------------------------
// Handle the special index 'main_fields':
if (!(preg_match("/^suggest\$/i", $operation) and preg_match("/^(html|json)\$/i", $recordSchema)) and preg_match("/^main_fields( +(all|any|exact|within) +| *(<>|<=|>=|<|>|=) *)/i", $cqlQuery)) {
// if the 'main_fields' index is used in conjunction with a non-"suggest" operation
$cqlQuery = preg_replace("/^main_fields(?= +(all|any|exact|within) +| *(<>|<=|>=|<|>|=) *)/i", "cql.serverChoice", $cqlQuery);
}
// replace 'main_fields' index (which, ATM, is only supported for search suggestions) with 'cql.serverChoice'
// Parse CQL query:
$searchArray = parseCQL("1.1", $cqlQuery, $operation);
// function 'parseCQL()' is defined in 'webservice.inc.php'
// Build SQL WHERE clause:
$query = "";
// NOTE: although we don't supply a full SQL query here, the variable MUST be named '$query' to have function 'appendToWhereClause()' work correctly
if (!empty($searchArray)) {
appendToWhereClause($searchArray);
}
// function 'appendToWhereClause()' is defined in 'include.inc.php'
// -------------------------------------------------------------------------------------------------------------------
// Check that mandatory parameters have been passed:
// - if 'opensearch.php' was called with 'operation=explain', we'll return an appropriate OpenSearch description document:
if (preg_match("/^explain\$/i", $operation)) {
// Use an appropriate default stylesheet:
if ($exportStylesheet == "DEFAULT") {
$exportStylesheet = "";
}
// TODO: create a stylesheet ('opensearchDescription2html.xsl') that's appropriate for the OpenSearch description
// Set the appropriate mimetype & set the character encoding to the one given
// in '$contentTypeCharset' (which is defined in 'ini.inc.php'):
setHeaderContentType("application/opensearchdescription+xml", $contentTypeCharset);
// function 'setHeaderContentType()' is defined in 'include.inc.php'
function appendToWhereClause($searchArray)
{
global $query;
foreach ($searchArray as $searchArrayItem) {
if (!preg_match("/\\(\$/", $query)) {
$query .= " ";
if (!empty($searchArrayItem["_boolean"])) {
$query .= $searchArrayItem["_boolean"] . " ";
}
}
if (is_array($searchArrayItem["_query"])) {
$query .= "(";
// NOTE: the parentheses must be on their own code lines to allow for correct recursion
$query .= appendToWhereClause($searchArrayItem["_query"]);
$query .= ")";
} else {
$query .= $searchArrayItem["_query"];
}
}
}
