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authoricewing <icewing@36083f99-b078-4883-b0ff-0f9b5a30f544>2008-03-14 16:25:19 +0000
committericewing <icewing@36083f99-b078-4883-b0ff-0f9b5a30f544>2008-03-14 16:25:19 +0000
commitd2a63172f0d09475319ea2935575044beea4da4d (patch)
tree35e7760e470f4ad87d6232e7cb113fd5e2de6750 /engine/lib/annotations.php
parent8faeb4bb82920f4ed96338d56c83f4123722af82 (diff)
downloadelgg-d2a63172f0d09475319ea2935575044beea4da4d.tar.gz
elgg-d2a63172f0d09475319ea2935575044beea4da4d.tar.bz2
Marcus Povey <marcus@dushka.co.uk>
* Annotations added git-svn-id: https://code.elgg.org/elgg/trunk@223 36083f99-b078-4883-b0ff-0f9b5a30f544
Diffstat (limited to 'engine/lib/annotations.php')
-rw-r--r--engine/lib/annotations.php399
1 files changed, 225 insertions, 174 deletions
diff --git a/engine/lib/annotations.php b/engine/lib/annotations.php
index 0b2da0d2d..43fc1f171 100644
--- a/engine/lib/annotations.php
+++ b/engine/lib/annotations.php
@@ -11,9 +11,9 @@
* @link http://elgg.org/
*/
-
/**
* @class ElggAnnotation
+ * An annotation is similar to metadata each entity can contain more than one of each annotation.
* @author Marcus Povey <marcus@dushka.co.uk>
*/
class ElggAnnotation
@@ -80,15 +80,18 @@
*
* @return mixed
*/
- function getOwner() { return get_user($this->owner_id); }
+ function getOwner()
+ {
+ return get_user($this->owner_guid);
+ }
function save()
{
if ($this->id > 0)
- return update_annotation($this->id, $this->name, $this->value, $this->value_type, $this->owner_id, $this->access_id);
+ return update_annotation($this->id, $this->name, $this->value, $this->value_type, $this->owner_guid, $this->access_id);
else
{
- $this->id = create_annotation($this->entity_id, $this->entity_type, $this->name, $this->value, $this->value_type, $this->owner_id, $this->access_id);
+ $this->id = create_annotation($this->entity_guid, $this->name, $this->value, $this->value_type, $this->owner_guid, $this->access_id);
if (!$this->id) throw new IOException("Unable to save new ElggAnnotation");
return $this->id;
}
@@ -97,7 +100,10 @@
/**
* Delete a given site.
*/
- function delete() { return delete_annotation($this->id); }
+ function delete()
+ {
+ return delete_annotation($this->id);
+ }
}
@@ -115,88 +121,6 @@
return new ElggAnnotation($row);
}
-
- /**
- * Get a specific annotation.
- *
- * @param int $annotation_id
- */
- function get_annotation($annotation_id)
- {
- global $CONFIG;
-
- $annotation_id = (int) $annotation_id;
- $access = get_access_list();
-
- return row_to_elggannotation(get_data_row("select o.* from {$CONFIG->dbprefix}annotations where id=$annotation_id and (o.access_id in {$access} or (o.access_id = 0 and o.owner_id = {$_SESSION['id']}))"));
- }
-
- /**
- * Get a list of annotations for a given object/user/annotation type.
- *
- * @param int $entity_id
- * @param string $entity_type
- * @param string $name
- * @param mixed $value
- * @param int $owner_id
- * @param string $order_by
- * @param int $limit
- * @param int $offset
- */
- function get_annotations($entity_id = 0, $entity_type = "", $entity_subtype = "", $name = "", $value = "", $owner_id = 0, $order_by = "created desc", $limit = 10, $offset = 0)
- {
- global $CONFIG;
-
- $entity_id = (int)$entity_id;
- $entity_type = sanitise_string($entity_type);
- $entity_subtype = sanitise_string($entity_subtype);
- $name = sanitise_string($name);
- $value = get_metastring_id($value);
-
- $owner_id = (int)$owner_id;
-
- $limit = (int)$limit;
- $offset = (int)$offset;
-
-
- // Construct query
- $where = array();
-
- if ($entity_id != 0)
- $where[] = "o.entity_id=$entity_id";
-
- if ($entity_type != "")
- $where[] = "o.entity_type='$entity_type'";
-
- if ($owner_id != 0)
- $where[] = "o.owner_id=$owner_id";
-
- if ($name != "")
- $where[] = "o.name='$name'";
-
- if ($value != "")
- $where[] = "o.value='$value'";
-
- if ($entity_subtype != "")
- $where[] = "s.id=" . get_entity_subtype($entity_id, $entity_type);
-
- // add access controls
- $access = get_access_list();
- $where[] = "(o.access_id in {$access} or (o.access_id = 0 and o.owner_id = {$_SESSION['id']}))";
-
- // construct query.
- $query = "SELECT * from {$CONFIG->dbprefix}annotations o LEFT JOIN {$CONFIG->dbprefix}entity_subtypes s on o.entity_id=s.entity_id and o.entity_type=s.entity_type where ";
- for ($n = 0; $n < count($where); $n++)
- {
- if ($n > 0) $query .= " and ";
- $query .= $where[$n];
- }
-
- $query .= " order by $order_by limit $offset,$limit";
-
- return get_data($query, "row_to_elggannotation");
- }
-
/**
* Detect the value_type for a given value.
* Currently this is very crude.
@@ -219,28 +143,41 @@
}
/**
+ * Get a specific annotation.
+ *
+ * @param int $annotation_id
+ */
+ function get_annotation($annotation_id)
+ {
+ global $CONFIG;
+
+ $annotation_id = (int) $annotation_id;
+ $access = get_access_list();
+
+ return row_to_elggannotation(get_data_row("select * from {$CONFIG->dbprefix}annotations where id=$annotation_id and (access_id in {$access} or (access_id = 0 and owner_guid = {$_SESSION['id']}))"));
+ }
+
+ /**
* Create a new annotation.
*
- * @param int $entity_id
- * @param string $entity_type
+ * @param int $entity_guid
* @param string $name
* @param string $value
* @param string $value_type
- * @param int $owner_id
+ * @param int $owner_guid
* @param int $access_id
*/
- function create_annotation($entity_id, $entity_type, $name, $value, $value_type, $owner_id, $access_id = 0)
+ function create_annotation($entity_guid, $name, $value, $value_type, $owner_guid, $access_id = 0)
{
global $CONFIG;
- $entity_id = (int)$entity_id;
- $entity_type = sanitise_string(trim($entity_type));
+ $entity_guid = (int)$entity_id;
$name = sanitise_string(trim($name));
$value = sanitise_string(trim($value));
$value_type = detect_annotation_valuetype($value, sanitise_string(trim($value_type)));
- $owner_id = (int)$owner_id;
- if ($owner_id==0) $owner_id = $_SESSION['id'];
+ $owner_guid = (int)$owner_guid;
+ if ($owner_guid==0) $owner_guid = $_SESSION['id'];
$access_id = (int)$access_id;
@@ -251,7 +188,7 @@
if (!$value) return false;
// If ok then add it
- return insert_data("INSERT into {$CONFIG->dbprefix}annotations (entity_id, entity_type, name, value, value_type, owner_id, created, access_id) VALUES ($entity_id,'$entity_type','$name','$value','$value_type', $owner_id, $time, $access_id)");
+ return insert_data("INSERT into {$CONFIG->dbprefix}annotations (entity_guid, name, value, value_type, owner_id, time_created, access_id) VALUES ($entity_guid,'$name',$value,'$value_type', $owner_guid, $time, $access_id)");
}
/**
@@ -261,10 +198,10 @@
* @param string $name
* @param string $value
* @param string $value_type
- * @param int $owner_id
+ * @param int $owner_guid
* @param int $access_id
*/
- function update_annotation($annotation_id, $name, $value, $value_type, $owner_id, $access_id)
+ function update_annotation($annotation_id, $name, $value, $value_type, $owner_guid, $access_id)
{
global $CONFIG;
@@ -273,8 +210,8 @@
$value = sanitise_string(trim($value));
$value_type = detect_annotation_valuetype($value, sanitise_string(trim($value_type)));
- $owner_id = (int)$owner_id;
- if ($owner_id==0) $owner_id = $_SESSION['id'];
+ $owner_guid = (int)$owner_guid;
+ if ($owner_guid==0) $owner_guid = $_SESSION['id'];
$access_id = (int)$access_id;
@@ -285,150 +222,174 @@
if (!$value) return false;
// If ok then add it
- return update_data("UPDATE {$CONFIG->dbprefix}annotations set value='$value', value_type='$value_type', access_id=$access_id, owner_id=$owner_id where id=$annotation_id and name='$name' and (access_id in {$access} or (access_id = 0 and owner_id = {$_SESSION['id']}))");
+ return update_data("UPDATE {$CONFIG->dbprefix}annotations set value='$value', value_type='$value_type', access_id=$access_id, owner_guid=$owner_guid where id=$annotation_id and name='$name' and (access_id in {$access} or (access_id = 0 and owner_guid = {$_SESSION['id']}))");
}
/**
- * Count the number of annotations based on search parameters
+ * Get a list of annotations for a given object/user/annotation type.
*
- * @param int $entity_id
+ * @param int $entity_guid
* @param string $entity_type
+ * @param string $entity_subtype
* @param string $name
* @param mixed $value
- * @param string $value_type
* @param int $owner_id
+ * @param int $limit
+ * @param int $offset
+ * @param string $order_by
*/
- function count_annotations($entity_id = 0, $entity_type = "", $name = "", $value = "", $value_type = "", $owner_id = 0)
+ function get_annotations($entity_guid = 0, $entity_type = "", $entity_subtype = "", $name = "", $value = "", $owner_guid = 0, $limit = 10, $offset = 0,$order_by = "a.created desc")
{
global $CONFIG;
- $entity_id = (int)$entity_id;
+ $entity_guid = (int)$entity_guid;
$entity_type = sanitise_string($entity_type);
+ $entity_subtype = get_subtype_id($entity_subtype);
$name = sanitise_string($name);
$value = get_metastring_id($value);
- $value_type = sanitise_string($value_type);
- $owner_id = (int)$owner_id;
+ $owner_guid = (int)$owner_guid;
+ $limit = (int)$limit;
+ $offset = (int)$offset;
+
$access = get_access_list();
$where = array();
- $where_q = "";
- if ($entity_id != 0)
- $where[] = "entity_id=$entity_id";
+ if ($entity_guid != 0)
+ $where[] = "a.guid=$entity_guid";
if ($entity_type != "")
- $where[] = "entity_type='$entity_type'";
+ $where[] = "e.type='$entity_type'";
+
+ if ($entity_subtype != "")
+ $where[] = "e.subtype='$entity_subtype'";
+
+ if ($owner_guid != 0)
+ $where[] = "a.owner_guid=$owner_guid";
if ($name != "")
- $where[] = "name='$name'";
+ $where[] = "a.name='$name'";
if ($value != "")
- $where[] = "value='$value'";
-
- if ($value_type != "")
- $where[] = "value_type='$value_type'";
+ $where[] = "a.value='$value'";
- if ($owner_id != 0)
- $where[] = "owner_id=$owner_id";
-
- for ($n = 0; $n < count($where); $n++)
- $where_q .= $where[$n] ." and ";
+ $query = "SELECT * from {$CONFIG->dbprefix}annotations a JOIN {$CONFIG->dbprefix}entities e on a.entity_guid = e.guid where ";
+ foreach ($where as $w)
+ $query .= " $w and ";
+ $query .= " (a.access_id in {$access} or (a.access_id = 0 and a.owner_guid = {$_SESSION['id']}))"; // Add access controls
+ $query .= " order by $order_by limit $offset,$limit"; // Add order and limit
+
+ return get_data($query, "row_to_elggannotation");
- $result = get_data_row("SELECT count(*) as count from {$CONFIG->dbprefix}annotations WHERE $where_q (access_id in {$access} or (access_id = 0 and owner_id = {$_SESSION['id']}))");
- if ($result)
- return $result->count;
-
- return false;
}
/**
* Return the sum of a given integer annotation.
*
- * @param $entity_id int
+ * @param $entity_guid int
* @param $entity_type string
+ * @param $entity_subtype string
* @param $name string
*/
- function get_annotations_sum($entity_id, $entity_type, $name)
+ function get_annotations_sum($entity_guid, $entity_type = "", $entity_subtype = "", $name = "")
{
- global $CONFIG;
-
- $entity_id = (int)$entity_id;
- $entity_type = sanitise_string($entity_type);
- $name = santitise_string($name);
-
- $row = get_data_row("SELECT sum(value) as sum from {$CONFIG->dbprefix}annotations where entity_id=$entity_id and entity_type='$entity_type' and value_type='integer' and name='$name' and (access_id in {$access} or (access_id = 0 and owner_id = {$_SESSION['id']}))");
-
- if ($row)
- return $row->sum;
-
- return false;
+ return __get_annotations_calculate_x("sum", $entity_guid, $entity_type, $entity_subtype, $name);
}
/**
* Return the max of a given integer annotation.
*
- * @param $entity_id int
+ * @param $entity_guid int
* @param $entity_type string
+ * @param $entity_subtype string
* @param $name string
*/
- function get_annotations_max($entity_id, $entity_type, $name)
+ function get_annotations_max($entity_guid, $entity_type = "", $entity_subtype = "", $name = "")
{
- global $CONFIG;
-
- $entity_id = (int)$entity_id;
- $entity_type = sanitise_string($entity_type);
- $name = santitise_string($name);
-
- $row = get_data_row("SELECT max(value) as max from {$CONFIG->dbprefix}annotations where entity_id=$entity_id and entity_type='$entity_type' and value_type='integer' and name='$name' and (access_id in {$access} or (access_id = 0 and owner_id = {$_SESSION['id']}))");
-
- if ($row)
- return $row->max;
-
- return false;
+ return __get_annotations_calculate_x("max", $entity_guid, $entity_type, $entity_subtype, $name);
}
/**
* Return the minumum of a given integer annotation.
*
- * @param $entity_id int
+ * @param $entity_guid int
* @param $entity_type string
+ * @param $entity_subtype string
* @param $name string
*/
- function get_annotations_min($entity_id, $entity_type, $name)
+ function get_annotations_min($entity_guid, $entity_type = "", $entity_subtype = "", $name = "")
{
- global $CONFIG;
-
- $entity_id = (int)$entity_id;
- $entity_type = sanitise_string($entity_type);
- $name = santitise_string($name);
-
- $row = get_data_row("SELECT min(value) as min from {$CONFIG->dbprefix}annotations where entity_id=$entity_id and entity_type='$entity_type' and value_type='integer' and name='$name' and (access_id in {$access} or (access_id = 0 and owner_id = {$_SESSION['id']}))");
-
- if ($row)
- return $row->min;
-
- return false;
+ return __get_annotations_calculate_x("min", $entity_guid, $entity_type, $entity_subtype, $name);
}
/**
* Return the average of a given integer annotation.
*
+ * @param $entity_guid int
+ * @param $entity_type string
+ * @param $entity_subtype string
+ * @param $name string
+ */
+ function get_annotations_avg($entity_guid, $entity_type = "", $entity_subtype = "", $name = "")
+ {
+ return __get_annotations_calculate_x("avg", $entity_guid, $entity_type, $entity_subtype, $name);
+ }
+
+ /**
+ * Count the number of annotations based on search parameters
+ *
+ * @param int $entity_guid
+ * @param string $entity_type
+ * @param string $entity_subtype
+ * @param string $name
+ */
+ function count_annotations($entity_guid = 0, $entity_type = "", $entity_subtype = "", $name = "", $value = "", $value_type = "", $owner_guid = 0)
+ {
+ return __get_annotations_calculate_x("count", $entity_guid, $entity_type, $entity_subtype, $name);
+ }
+
+ /**
+ * Perform a mathmatical calculation on integer annotations.
+ *
+ * @param $sum string
* @param $entity_id int
* @param $entity_type string
+ * @param $entity_subtype string
* @param $name string
*/
- function get_annotations_avg($entity_id, $entity_type, $name)
+ function __get_annotations_calculate_x($sum = "avg", $entity_guid, $entity_type = "", $entity_subtype = "", $name = "")
{
global $CONFIG;
- $entity_id = (int)$entity_id;
+ $sum = sanitise_string($sum);
+ $entity_guid = (int)$entity_id;
$entity_type = sanitise_string($entity_type);
+ $entity_subtype = get_subtype_id($entity_subtype);
$name = santitise_string($name);
+ $access = get_access_list();
- $row = get_data_row("SELECT avg(value) as avg from {$CONFIG->dbprefix}annotations where entity_id=$entity_id and entity_type='$entity_type' and value_type='integer' and name='$name' and (access_id in {$access} or (access_id = 0 and owner_id = {$_SESSION['id']}))");
+ $where = array();
+
+ if ($entity_guid)
+ $where[] = "e.guid=$entity_guid";
+ if ($entity_type!="")
+ $where[] = "e.type='$entity_type'";
+ if ($entity_subtype)
+ $where[] = "e.subtype=$entity_subtype";
+ if ($name!="")
+ $where[] = "a.name='$name'";
+
+ $where[] = "a.value_type='integer'"; // Limit on integer types
+
+ $query = "SELECT $sum(ms.string) as sum from {$CONFIG->dbprefix}annotations a JOIN {$CONFIG->dbprefix}entities e on a.entity_guid = e.guid JOIN {$CONFIG->dbprefix}metastrings ms on a.value=ms.id WHERE ";
+ foreach ($where as $w)
+ $query .= " $w and ";
+ $query .= " (a.access_id in {$access} or (a.access_id = 0 and a.owner_guid = {$_SESSION['id']}))"; // now add access
+
+ $row = get_data_row($query);
if ($row)
- return $row->avg;
+ return $row->sum;
return false;
}
@@ -446,6 +407,96 @@
$access = get_access_list();
- return delete_data("DELETE from {$CONFIG->dbprefix}annotations where id=$id and (access_id in {$access} or (access_id = 0 and owner_id = {$_SESSION['id']}))");
+ return delete_data("DELETE from {$CONFIG->dbprefix}annotations where id=$id and (access_id in {$access} or (access_id = 0 and owner_guid = {$_SESSION['id']}))");
}
+
+ /**
+ * Clear all the annotations for a given entity, assuming you have access to that metadata.
+ *
+ * @param int $guid
+ */
+ function clear_annotations($guid, $name = "")
+ {
+ global $CONFIG;
+
+ $guid = (int)$guid;
+ $name = sanitise_string($name);
+
+ $where = array();
+
+ if ($name != "")
+ $where[] = " name='$name'";
+
+ $query = "DELETE from {$CONFIG->dbprefix}annotations where ";
+ foreach ($where as $w)
+ $query .= " $w and ";
+ $query .= "(access_id in {$access} or (access_id = 0 and owner_guid = {$_SESSION['id']}))";
+
+ return delete_data();
+ }
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?> \ No newline at end of file