Peter M. Groen / knowledgetree

Commit 087321d59b6c1c9fc4159e4f5e724be1099f36fd

Authored by michael
1 parent ca0e0162

added array utility functions and getCurrentDateTime 


git-svn-id: https://kt-dms.svn.sourceforge.net/svnroot/kt-dms/trunk@218 c91229c3-7414-0410-bfa2-8a42b809f60b
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Showing 1 changed file with 58 additions and 15 deletions
lib/lookup.inc
  View file @087321d
... ... @@ -20,20 +20,7 @@
20 20 * @return the id of the row in the db with $fieldName=$fieldValue
21 21 */
22 22 function lookupID($tableName, $fieldName, $fieldValue){
23   - $sql = new Owl_DB();
24   - $query = "select id from $tableName where $fieldName = '$fieldValue'";
25   - //echo "lookup.inc::lookupID: about to execute $query<br>";
26   - if ($sql->query($query)) {
27   - if ($sql->next_record()) {
28   - return $sql->f("id");
29   - } else {
30   - $_SESSION["errorMessage"] = "id retrieval failed.";
31   - return false;
32   - }
33   - } else {
34   - $_SESSION["errorMessage"] = "lookup query ($query) failed.";
35   - return false;
36   - }
  23 + return lookupField($tableName, "id", $fieldName, $fieldValue);
37 24 }
38 25  
39 26 /**
... ... @@ -45,6 +32,7 @@ function lookupID($tableName, $fieldName, $fieldValue){
45 32 function lookupGroupIDs($userID) {
46 33 global $default;
47 34 $groupIDs = array();
  35 +
48 36 $sql = new Owl_DB;
49 37 $sql->query("select group_id from $default->owl_groups_users_table where user_id = '$userID'");
50 38 while($sql->next_record()) {
... ... @@ -53,7 +41,37 @@ function lookupGroupIDs($userID) {
53 41 return $groupIDs;
54 42 }
55 43  
56   -
  44 +/**
  45 + * Performs a generic one field lookup on a table
  46 + *
  47 + * @param $tableName the name of the table to perform the lookup on
  48 + * @param $selectFieldName the field to return
  49 + * @param $whereFieldName the field to discriminate against(?!)
  50 + * @param $whereFieldValue the field value to return rows for
  51 + * (NOTE: the caller is responsible for quoting this value)
  52 + */
  53 +function lookupField($tableName, $selectFieldName, $whereFieldName, $whereFieldValue) {
  54 + global $default;
  55 + $sql = new Owl_DB();
  56 + $query = "select $selectFieldName from $tableName where $whereFieldName = $whereFieldValue";
  57 + $default->log->debug("lookup.inc::lookupField query=$query");
  58 + if ($sql->query($query)) {
  59 + if ($sql->next_record()) {
  60 + return $sql->f($selectFieldName);
  61 + } else {
  62 + $_SESSION["errorMessage"] = "$selectFieldName field lookup retrieval failed ($query).";
  63 + return false;
  64 + }
  65 + } else {
  66 + $_SESSION["errorMessage"] = "lookup query failed ($query).";
  67 + return false;
  68 + }
  69 +}
  70 +
  71 +
  72 +/**
  73 + * Converts an array to a string
  74 + */
57 75 function arrayToString($array) {
58 76 ob_start();
59 77 print_r($array);
... ... @@ -61,4 +79,29 @@ function arrayToString($array) {
61 79 ob_end_clean();
62 80 return $arrToStr;
63 81 }
  82 +
  83 +/**
  84 + * Converts an array to a comma separated string
  85 + *
  86 + * @param $array the array to convert
  87 + * @return a comma separated string of the array values
  88 + */
  89 +function arrayToCss($array) {
  90 + $css = "";
  91 + foreach ($array as $key=>$value) {
  92 + $css = $css . $value . ",";
  93 + }
  94 + // trim the last comma
  95 + $css = substr("$css", 0, -1);
  96 + return $css;
  97 +}
  98 +
  99 +/**
  100 + * Returns the current date time
  101 + *
  102 + * @return String the current date time (Y-m-d H:i:s)
  103 + */
  104 +function getCurrentDateTime() {
  105 + return date("Y-m-d H:i:s", time());
  106 +}
64 107 ?>
... ...