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<?php
/**
* SQL.PHP
* This file is include from view.php and print.php
* @version $Id$
* @copyright 2003
**/
/// Creating the SQL statements
/// Initialise some variables
$sqlorderby = '';
$sqlsortkey = NULL;
$textlib = textlib_get_instance();
/// Calculate the SQL sortkey to be used by the SQL statements later
switch ( $sortkey ) {
case "CREATION":
$sqlsortkey = "timecreated";
break;
case "UPDATE":
$sqlsortkey = "timemodified";
break;
case "FIRSTNAME":
$sqlsortkey = "firstname";
break;
case "LASTNAME":
$sqlsortkey = "lastname";
break;
}
$sqlsortorder = $sortorder;
switch ($CFG->dbtype) {
case 'postgres7':
$as = 'as';
break;
case 'mysql':
$as = '';
break;
}
/// Pivot is the field that set the break by groups (category, initial, author name, etc)
/// fullpivot indicate if the whole pivot should be compared agasint the db or just the first letter
/// printpivot indicate if the pivot should be printed or not
$fullpivot = 1;
$userid = '';
if ( isset($USER->id) ) {
$userid = "OR ge.userid = $USER->id";
}
switch ($tab) {
case GLOSSARY_CATEGORY_VIEW:
if ($hook == GLOSSARY_SHOW_ALL_CATEGORIES ) {
$sqlselect = "SELECT gec.id, ge.*, gec.entryid, gc.name $as pivot";
$sqlfrom = "FROM {$CFG->prefix}glossary_entries ge,
{$CFG->prefix}glossary_entries_categories gec,
{$CFG->prefix}glossary_categories gc";
$sqlwhere = "WHERE (ge.glossaryid = '$glossary->id' OR ge.sourceglossaryid = '$glossary->id') AND
ge.id = gec.entryid AND gc.id = gec.categoryid AND
(ge.approved != 0 $userid)";
$sqlorderby = ' ORDER BY gc.name, ge.concept';
} elseif ($hook == GLOSSARY_SHOW_NOT_CATEGORISED ) {
$printpivot = 0;
$sqlselect = "SELECT ge.*, concept $as pivot";
$sqlfrom = "FROM {$CFG->prefix}glossary_entries ge LEFT JOIN {$CFG->prefix}glossary_entries_categories gec
ON ge.id = gec.entryid";
$sqlwhere = "WHERE (glossaryid = '$glossary->id' OR sourceglossaryid = '$glossary->id') AND
(ge.approved != 0 $userid) AND gec.entryid IS NULL";
$sqlorderby = ' ORDER BY concept';
} else {
$printpivot = 0;
$sqlselect = "SELECT ge.*, ce.entryid, c.name $as pivot";
$sqlfrom = "FROM {$CFG->prefix}glossary_entries ge, {$CFG->prefix}glossary_entries_categories ce, {$CFG->prefix}glossary_categories c";
$sqlwhere = "WHERE ge.id = ce.entryid AND ce.categoryid = '$hook' AND
ce.categoryid = c.id AND ge.approved != 0 AND
(ge.glossaryid = '$glossary->id' OR ge.sourceglossaryid = '$glossary->id') AND
(ge.approved != 0 $userid)";
$sqlorderby = ' ORDER BY c.name, ge.concept';
}
break;
case GLOSSARY_AUTHOR_VIEW:
$where = '';
switch ($CFG->dbtype) {
case 'postgres7':
$usernametoshow = "u.firstname || ' ' || u.lastname";
if ( $sqlsortkey == 'FIRSTNAME' ) {
$usernamefield = "u.firstname || ' ' || u.lastname";
} else {
$usernamefield = "u.lastname || ' ' || u.firstname";
}
$where = "AND substr(upper($usernamefield),1," . $textlib->strlen($hook, current_charset()) . ") = '" . $textlib->strtoupper($hook, current_charset()) . "'";
break;
case 'mysql':
if ( $sqlsortkey == 'FIRSTNAME' ) {
$usernamefield = "CONCAT(CONCAT(u.firstname,' '), u.lastname)";
} else {
$usernamefield = "CONCAT(CONCAT(u.lastname,' '), u.firstname)";
}
$where = "AND left(ucase($usernamefield)," . $textlib->strlen($hook, current_charset()) . ") = '$hook'";
break;
}
if ( $hook == 'ALL' ) {
$where = '';
}
$sqlselect = "SELECT ge.id, $usernamefield $as pivot, u.id as uid, ge.*";
$sqlfrom = "FROM {$CFG->prefix}glossary_entries ge, {$CFG->prefix}user u";
$sqlwhere = "WHERE ge.userid = u.id AND
(ge.approved != 0 $userid)
$where AND
(ge.glossaryid = '$glossary->id' OR ge.sourceglossaryid = '$glossary->id')";
$sqlorderby = "ORDER BY $usernamefield $sqlsortorder, ge.concept";
break;
case GLOSSARY_APPROVAL_VIEW:
$fullpivot = 0;
$printpivot = 0;
$where = '';
if ($hook != 'ALL' and $hook != 'SPECIAL') {
switch ($CFG->dbtype) {
case 'postgres7':
$where = 'AND substr(upper(concept),1,' . $textlib->strlen($hook, current_charset()) . ') = \'' . $textlib->strtoupper($hook, current_charset()) . '\'';
break;
case 'mysql':
$where = 'AND left(ucase(concept),' . $textlib->strlen($hook, current_charset()) . ") = '$hook'";
break;
}
}
$sqlselect = "SELECT ge.*, ge.concept $as pivot";
$sqlfrom = "FROM {$CFG->prefix}glossary_entries ge";
$sqlwhere = "WHERE (ge.glossaryid = '$glossary->id' OR ge.sourceglossaryid = '$glossary->id') AND
ge.approved = 0 $where";
if ( $sqlsortkey ) {
$sqlorderby = "ORDER BY $sqlsortkey $sqlsortorder";
} else {
$sqlorderby = "ORDER BY ge.concept";
}
break;
case GLOSSARY_DATE_VIEW:
$printpivot = 0;
case GLOSSARY_STANDARD_VIEW:
default:
$sqlselect = "SELECT ge.*, ge.concept $as pivot";
$sqlfrom = "FROM {$CFG->prefix}glossary_entries ge";
$where = '';
$fullpivot = 0;
if ($CFG->dbtype == "postgres7") {
$LIKE = "ILIKE"; // case-insensitive
} else {
$LIKE = "LIKE";
}
switch ( $mode ) {
case 'search':
/// Some differences in syntax for PostgreSQL
if ($CFG->dbtype == "postgres7") {
$LIKE = "ILIKE"; // case-insensitive
$NOTLIKE = "NOT ILIKE"; // case-insensitive
$REGEXP = "~*";
$NOTREGEXP = "!~*";
} else {
$LIKE = "LIKE";
$NOTLIKE = "NOT LIKE";
$REGEXP = "REGEXP";
$NOTREGEXP = "NOT REGEXP";
}
$conceptsearch = "";
$aliassearch = "";
$definitionsearch = "";
$searchterms = explode(" ",$hook);
foreach ($searchterms as $searchterm) {
if ($conceptsearch) {
$conceptsearch .= " AND ";
}
if ($aliassearch) {
$aliassearch .= " AND ";
}
if ($definitionsearch) {
$definitionsearch .= " AND ";
}
if (substr($searchterm,0,1) == "+") {
$searchterm = substr($searchterm,1);
$conceptsearch .= " ge.concept $REGEXP '(^|[^a-zA-Z0-9])$searchterm([^a-zA-Z0-9]|$)' ";
$aliassearch .= " al.alias $REGEXP '(^|[^a-zA-Z0-9])$searchterm([^a-zA-Z0-9]|$)' ";
$definitionsearch .= " ge.definition $REGEXP '(^|[^a-zA-Z0-9])$searchterm([^a-zA-Z0-9]|$)' ";
} else if (substr($searchterm,0,1) == "-") {
$searchterm = substr($searchterm,1);
$conceptsearch .= " ge.concept $NOTREGEXP '(^|[^a-zA-Z0-9])$searchterm([^a-zA-Z0-9]|$)' ";
$aliassearch .= " al.alias $NOTREGEXP '(^|[^a-zA-Z0-9])$searchterm([^a-zA-Z0-9]|$)' ";
$definitionsearch .= " ge.definition $NOTREGEXP '(^|[^a-zA-Z0-9])$searchterm([^a-zA-Z0-9]|$)' ";
} else {
$conceptsearch .= " ge.concept $LIKE '%$searchterm%' ";
$aliassearch .= " al.alias $LIKE '%$searchterm%' ";
$definitionsearch .= " ge.definition $LIKE '%$searchterm%' ";
}
}
//Search in aliases first
$idaliases = '';
$listaliases = array();
$recaliases = get_records_sql ("SELECT al.id, al.entryid
FROM {$CFG->prefix}glossary_alias al,
{$CFG->prefix}glossary_entries ge
WHERE (ge.glossaryid = '$glossary->id' OR
ge.sourceglossaryid = '$glossary->id') AND
(ge.approved != 0 $userid) AND
ge.id = al.entryid AND
$aliassearch");
//Process aliases id
if ($recaliases) {
foreach ($recaliases as $recalias) {
$listaliases[] = $recalias->entryid;
}
$idaliases = implode (',',$listaliases);
}
//Add seach conditions in concepts and, if needed, in definitions
$printpivot = 0;
$where = "AND (( $conceptsearch) ";
//Include aliases id if found
if (!empty($idaliases)) {
$where .= " OR ge.id IN ($idaliases) ";
}
//Include search in definitions if requested
if ( $fullsearch ) {
$where .= " OR ($definitionsearch) )";
} else {
$where .= ")";
}
break;
case 'term':
$printpivot = 0;
$sqlfrom .= " left join {$CFG->prefix}glossary_alias ga on ge.id = ga.entryid ";
$where = "AND (ge.concept = '$hook' OR ga.alias = '$hook' )
";
break;
case 'entry':
$printpivot = 0;
$where = "AND ge.id = '$hook'";
break;
case 'letter':
if ($hook != 'ALL' and $hook != 'SPECIAL') {
switch ($CFG->dbtype) {
case 'postgres7':
$where = 'AND substr(upper(concept),1,' . $textlib->strlen($hook, current_charset()) . ') = \'' . $textlib->strtoupper($hook, current_charset()) . '\'';
break;
case 'mysql':
$where = 'AND left(ucase(concept),' . $textlib->strlen($hook, current_charset()) . ") = '" . $textlib->strtoupper($hook, current_charset()) . "'";
break;
}
}
if ($hook == 'SPECIAL') {
//Create appropiate IN contents
$alphabet = explode(",", get_string("alphabet"));
$sqlalphabet = '';
for ($i = 0; $i < count($alphabet); $i++) {
if ($i != 0) {
$sqlalphabet .= ',';
}
$sqlalphabet .= '\''.$alphabet[$i].'\'';
}
switch ($CFG->dbtype) {
case 'postgres7':
$where = 'AND substr(upper(concept),1,1) NOT IN (' . $textlib->strtoupper($sqlalphabet, current_charset()) . ')';
break;
case 'mysql':
$where = 'AND left(ucase(concept),1) NOT IN (' . $textlib->strtoupper($sqlalphabet, current_charset()) . ')';
break;
}
}
break;
}
$sqlwhere = "WHERE (ge.glossaryid = '$glossary->id' or ge.sourceglossaryid = '$glossary->id') AND
(ge.approved != 0 $userid)
$where";
switch ( $tab ) {
case GLOSSARY_DATE_VIEW:
$sqlorderby = "ORDER BY $sqlsortkey $sqlsortorder";
break;
case GLOSSARY_STANDARD_VIEW:
$sqlorderby = "ORDER BY ge.concept";
default:
break;
}
break;
}
$count = count_records_sql("select count(*) $sqlfrom $sqlwhere");
$sqllimit = '';
if ( $offset >= 0 ) {
switch ($CFG->dbtype) {
case 'postgres7':
$sqllimit = " LIMIT $entriesbypage OFFSET $offset";
break;
case 'mysql':
$sqllimit = " LIMIT $offset, $entriesbypage";
break;
}
}
$allentries = get_records_sql("$sqlselect $sqlfrom $sqlwhere $sqlorderby $sqllimit");
?>
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