[mirrors/Kyberia-bloodline.git] / wwwroot / backend / mysql / backend.inc

<?php
class nodes {
// All mysql code should go here
// Split into multiple files if needed

function processContent($node_content) { return processContent_hack($node_content); } //XXX TODO FIXME HACK

// Called for every node view. Updates node views, neurons, 
function update_nodes($user_id,$node_id,$referer_id) {
	global $node,$db,$error;
	$db->update("update nodes set node_views=node_views+1 where".
		     "node_id='".$node_id."'");
	if (is_numeric($referer_id) && ($referer_id)) {
		$q="update neurons set synapse=synapse+1 where ".
		    "dst='".$node_id."' and src='$referer_id'";
		$result=$db->update($q);
		if (!$result) {
			$q="insert into neurons set synapse_creator='".
			   $user_id."',dst='".$node_id.
			   "',src='$referer_id',synapse=1";
			$db->query($q);
		}
	}

	// LEVENSHTEIN

	// these 4 lines are not the source of kyberia lagging problems.
	// leave them. started on the 10.4. 
	// data gained will be used for scientific purposes
	if ($user_id) {
	        $q="insert delayed into levenshtein set user_id='".
		    $user_id."',node_id='".$node_id."'";
	        $db->update($q);
	}
}


function addNode($params) {
        global $db,$node,$error,$error_messages;
        $parent_id=$params['node_parent'];

        if (!is_numeric($parent_id)) {
                $parent_id=$node['node_id'];
        }

        $parent_permissions=permissions::checkPermissions($parent_id);
        if (!$parent_permissions['w']) {
                $error=$error_messages['WRITE_PERMISSION_ERROR'];
                logger::log('add','error','WRITE_PERMISSION_ERROR');
                return false;
        }


        $kset=$db->query("select user_k from users where user_id='$params[node_creator]'");
        $kset->next();
        $user_k=$kset->getString('user_k');

        if ($params['flag']=='registration') $params['node_creator']=UBIK_ID;

        if (!$user_k && $params['node_creator']!=UBIK_ID) {
                $error=$error_messages['K_SPENT'];
                return false;
        }


        $set=$db->query("select node_vector,node_children_count from nodes where node_id='$parent_id'");
        $set->next();
        $parent_vector=$set->getString('node_vector');

        if ($set->getInt('node_children_count')>MAX_CHILDREN) {
                $error=$error_messages['MAX_CHILDREN'];
                return false;
        }

        //working with external links
        $external_link=$params['external_link'];

        $template_id=$params['template_id'];
        if (!is_numeric($template_id)) $template_id=DEFAULT_TEMPLATE_ID;

        if(!isset($params['node_system_access'])) $params['node_system_access'] = $node['node_system_access'];
        if(!isset($params['node_external_access'])) $params['node_external_access'] = $node['node_external_access'];

        $q="insert into nodes set
node_name='".$params['node_name']."',
node_external_access='".$params['node_external_access']."',
node_system_access='".$params['node_system_access']."',
node_creator='".$params['node_creator']."',
template_id='".$template_id."',
external_link='".$external_link."',
node_parent='".$parent_id."',
node_views=0,node_created=NOW(),
node_content='".$params['node_content']."',
node_vector='".$params['node_vector']."'";
        $db->query("start transaction");
        $db->query($q);
        $id=$db->getLastInsertId();

//node_content MyIsam only for FULLTEXT !!!
//        $db->query("insert into node_content set node_id='$id',node_content='".$params['node_content']."'");

        $new_id=str_pad($id,VECTOR_CHARS,"0",STR_PAD_LEFT);
        $new_vector=trim($parent_vector,"z").$new_id;

        if ($params['flag']=='registration') $db->query("update nodes set node_system_access='public',node_external_access='yes',node_creator=$id where node_id=$id");

        $db->query("update nodes set node_vector='$new_vector' where node_id='$id'");
        $db->query("update nodes set node_children_count=node_children_count+1 where node_id='$parent_id'");

        $node_vector=trim(chunk_split($new_vector,VECTOR_CHARS,';'),';');

        $ancestors=explode(";",$node_vector);
        foreach($ancestors as $key => $ancestor_id) {
                if ($key) {
                        $ancestor_id=ltrim($ancestor_id,'0');
                        $db->query("update nodes set node_descendant_count=node_descendant_count+1,lastdescendant_created=NOW() where node_id='$ancestor_id'");
                }
        }
        $db->query("update node_access set node_user_subchild_count=node_user_subchild_count+1 where node_id='$parent_id'");
        --$user_k;
        $db->query("update users set user_k='$user_k' where user_id='$params[node_creator]'");
        $db->query("commit");
        logger::log('add','ok',$id);

        if ($_POST['code']) {
                $params['node_creator']=UBIK_ID;
                $params['node_parent']=WARNING_ZONE;
                $params['node_name']="node $id added with code_parameter";
                $params['node_content']="node <a href='/id/$id'>$id</a> added with code_parameter";
                unset($_POST['code']);
                nodes::addNode($params);
        }

        return $id;
}


        function getUserByLogin($login) {
                global $error, $error_messages;
                $q2="select user_id from users where login='".$login."'";
                $userset=$db->query($q2);
                $userset->next();
                $id=$userset->getString('user_id');
                if (is_numeric($id)) return $id;
                else {
                        $error = $error_messages['USER_NOT_FOUND'];
                        return false;
                }
        }


        function getNodeIdByName($name,$external_link=false) {
                global $db;
                $q="select node_id from nodes where node_name='$name'";
                if ($external_link) $q.=" and external_link='$external_link'";
                $set=$db->query($q);
                $set->next();
                return $set->getString('node_id');
        }

        function getNodeById($node_handle,$user_id, $table_name="nodes") {
                global $db, $error;
                $q="select length(concat($table_name.node_vector)) as
vector_depth,$table_name.*,$table_name.node_creator as
node_owner_id,creator.node_name as owner,node_access.*,$table_name.node_id as
node_id,node_parent.node_name as node_parent_name
from $table_name left join $table_name as creator on creator.node_id=$table_name.node_creator
left join $table_name as node_parent on $table_name.node_parent=node_parent.node_id
left join node_access on (node_access.node_id='$node_handle' and node_access.user_id='$user_id')
where $table_name.node_id='$node_handle'";

                $result=$db->query($q);
                if (!$result->next()) {
                        return false;
                }
                else {
                        $node=addBase36id($result->getRecord());
                        $node['node_vector']=trim($node['node_vector'],"z");
                        $ancestors=str_split($node['node_vector'],VECTOR_CHARS);
                        foreach ($ancestors as $ancestor) {
                          $node['ancestors'][]=array("name"=>"","link"=>ltrim($ancestor,"0"));
                        }
                }
		transport_process_node($node);
                return $node;

        }


        function redirByName($node_handle) {
                global $db, $error;
                $user_id=$_SESSION['user_id'];
                $set=$db->query("select node_id from nodes where node_name='$node_handle' and node_creator='$user_id'");
                if ($set->next()) {
                        $node_id=$set->getString('node_id');
                        if (!empty($node_id)) {
                                return nodes::getNodeById($node_id,$_SESSION['user_id']);
                        }

                }
                $set=$db->query("select node_id from nodes where node_name='$node_handle' ");
                $set->next();
                $node_id=$set->getString('node_id');
                if (!empty($node_id)) {
                        return nodes::getNodeById($node_id,$_SESSION['user_id']);
                }

        }

        function getNodesByName($node_handle) {
                global $db, $error;
                $q="select nodes.* from nodes where node_name='$node_handle%'";

                $result=$db->query($q);

                while ($result->next()){
                        $record[]=addBase36id($result->getRecord());
                }
                return $record;

        }


        function getChildrenNodes($orderby="desc",$offset=0,$limit=DEFAULT_LISTING_AMOUNT) {
                global $db, $error, $node;
                $node_handle=$node['node_id'];

                $q="select users.*,nodes.* from nodes
left join users on users.user_id=nodes.node_creator where
node_parent='$node_handle' order by node_created $orderby LIMIT $offset,$limit";
                echo $q;
                $result=$db->query($q);

                while ($result->next()) {
                        $array[]=addBase36id($result->getRecord());
                }

                return $array;

        }


        function getThreadedChildrenNodes($orderby="desc",$offset=0,$limit=DEFAULT_LISTING_AMOUNT) {
                global $db, $error, $node;
                $node_handle=$node['node_id'];

                $q="select length(node_vector) as depth,users.login,nodes.* from nodes left join users on users.user_id=nodes.node_creator where  node_vector like '".$node['node_vector'].";".$node['node_id']."%' and node_type=3 order by concat(node_vector,';',nodes.node_id,';z') desc,depth LIMIT $offset,$limit";

                $result=$db->query($q);

                while ($result->next()) {
                        $children_array[]=addBase36id($result->getRecord());
                }

                return $children_array;

        }


        function getNodeAccessData() {
                global $node,$db;
                $q="select users.login,node_access.* from node_access left join users on users.user_id=node_access.user_id where node_id='".$node['node_id']."' and node_permission!=''";
                $result=$db->query($q);

                while ($result->next()) {
                        $access_data[]=$result->getRecord();
                }

                return $access_data;

        }


// Simple internal function to set node parrent

function setParent($params) {
        global $db,$node,$error,$error_messages;
        $parent_id=$params['node_parent'];
        $node_id=$params['node_id'];

        if (!is_numeric($parent_id)) {
                return false;
        }
	$q="select node_vector from nodes where node_id='$parent_id'";
	$parent_vector=$db->query($q);

	$new_vector=$parent_vector.str_pad($node_id,VECTOR_CHARS,"0",STR_PAD_LEFT);	
	$q="update nodes set node_parent='$parent_id',node_vector='".$new_vector."
		' where node_id='$node_id'";
	$db->query($q);
}

}
Commit	Line	Data
9b80aa4a	1	<?php
3676f242	2	class nodes {
2bda541f	3	// All mysql code should go here
5b9c0808	4	// Split into multiple files if needed
5b9c0808	5
3676f242	6	function processContent($node_content) { return processContent_hack($node_content); } //XXX TODO FIXME HACK
5b9c0808	7
5b9c0808	8	// Called for every node view. Updates node views, neurons,
3676f242 H	9	function update_nodes($user_id,$node_id,$referer_id) {
3676f242 H	10	global $node,$db,$error;
5b9c0808	11	$db->update("update nodes set node_views=node_views+1 where".
	12	"node_id='".$node_id."'");
	13	if (is_numeric($referer_id) && ($referer_id)) {
	14	$q="update neurons set synapse=synapse+1 where ".
	15	"dst='".$node_id."' and src='$referer_id'";
	16	$result=$db->update($q);
	17	if (!$result) {
	18	$q="insert into neurons set synapse_creator='".
	19	$user_id."',dst='".$node_id.
	20	"',src='$referer_id',synapse=1";
	21	$db->query($q);
	22	}
	23	}
	24
	25	// LEVENSHTEIN
	26
	27	// these 4 lines are not the source of kyberia lagging problems.
	28	// leave them. started on the 10.4.
	29	// data gained will be used for scientific purposes
	30	if ($user_id) {
	31	$q="insert delayed into levenshtein set user_id='".
	32	$user_id."',node_id='".$node_id."'";
	33	$db->update($q);
	34	}
	35	}
	36
3676f242 H	37
	38	function addNode($params) {
	39	global $db,$node,$error,$error_messages;
	40	$parent_id=$params['node_parent'];
	41
	42	if (!is_numeric($parent_id)) {
	43	$parent_id=$node['node_id'];
	44	}
	45
	46	$parent_permissions=permissions::checkPermissions($parent_id);
	47	if (!$parent_permissions['w']) {
	48	$error=$error_messages['WRITE_PERMISSION_ERROR'];
	49	logger::log('add','error','WRITE_PERMISSION_ERROR');
	50	return false;
	51	}
	52
	53
	54	$kset=$db->query("select user_k from users where user_id='$params[node_creator]'");
	55	$kset->next();
	56	$user_k=$kset->getString('user_k');
	57
	58	if ($params['flag']=='registration') $params['node_creator']=UBIK_ID;
	59
	60	if (!$user_k && $params['node_creator']!=UBIK_ID) {
	61	$error=$error_messages['K_SPENT'];
	62	return false;
	63	}
	64
	65
	66
	67	$set=$db->query("select node_vector,node_children_count from nodes where node_id='$parent_id'");
	68	$set->next();
	69	$parent_vector=$set->getString('node_vector');
	70
	71	if ($set->getInt('node_children_count')>MAX_CHILDREN) {
	72	$error=$error_messages['MAX_CHILDREN'];
	73	return false;
	74	}
	75
	76	//working with external links
	77	$external_link=$params['external_link'];
	78
	79	$template_id=$params['template_id'];
	80	if (!is_numeric($template_id)) $template_id=DEFAULT_TEMPLATE_ID;
	81
	82	if(!isset($params['node_system_access'])) $params['node_system_access'] = $node['node_system_access'];
	83	if(!isset($params['node_external_access'])) $params['node_external_access'] = $node['node_external_access'];
	84
	85	$q="insert into nodes set
	86	node_name='".$params['node_name']."',
	87	node_external_access='".$params['node_external_access']."',
	88	node_system_access='".$params['node_system_access']."',
	89	node_creator='".$params['node_creator']."',
	90	template_id='".$template_id."',
	91	external_link='".$external_link."',
	92	node_parent='".$parent_id."',
	93	node_views=0,node_created=NOW(),
	94	node_content='".$params['node_content']."',
	95	node_vector='".$params['node_vector']."'";
	96	$db->query("start transaction");
	97	$db->query($q);
	98	$id=$db->getLastInsertId();
	99
	100	//node_content MyIsam only for FULLTEXT !!!
101	// $db->query("insert into node_content set node_id='$id',node_content='".$params['node_content']."'");
102
103	$new_id=str_pad($id,VECTOR_CHARS,"0",STR_PAD_LEFT);
104	$new_vector=trim($parent_vector,"z").$new_id;
105
106	if ($params['flag']=='registration') $db->query("update nodes set node_system_access='public',node_external_access='yes',node_creator=$id where node_id=$id");
107
108	$db->query("update nodes set node_vector='$new_vector' where node_id='$id'");
109	$db->query("update nodes set node_children_count=node_children_count+1 where node_id='$parent_id'");
110
111	$node_vector=trim(chunk_split($new_vector,VECTOR_CHARS,';'),';');
112
113	$ancestors=explode(";",$node_vector);
114	foreach($ancestors as $key => $ancestor_id) {
115	if ($key) {
116	$ancestor_id=ltrim($ancestor_id,'0');
117	$db->query("update nodes set node_descendant_count=node_descendant_count+1,lastdescendant_created=NOW() where node_id='$ancestor_id'");
118	}
119	}
120	$db->query("update node_access set node_user_subchild_count=node_user_subchild_count+1 where node_id='$parent_id'");
121	--$user_k;
122	$db->query("update users set user_k='$user_k' where user_id='$params[node_creator]'");
123	$db->query("commit");
124	logger::log('add','ok',$id);
125
126	if ($_POST['code']) {
127	$params['node_creator']=UBIK_ID;
128	$params['node_parent']=WARNING_ZONE;
129	$params['node_name']="node $id added with code_parameter";
130	$params['node_content']="node <a href='/id/$id'>$id</a> added with code_parameter";
131	unset($_POST['code']);
132	nodes::addNode($params);
133	}
134
135	return $id;
136	}
137
138
139	function getUserByLogin($login) {
140	global $error, $error_messages;
141	$q2="select user_id from users where login='".$login."'";
142	$userset=$db->query($q2);
143	$userset->next();
144	$id=$userset->getString('user_id');
145	if (is_numeric($id)) return $id;
146	else {
147	$error = $error_messages['USER_NOT_FOUND'];
148	return false;
149	}
150	}
151
152
153	function getNodeIdByName($name,$external_link=false) {
154	global $db;
155	$q="select node_id from nodes where node_name='$name'";
156	if ($external_link) $q.=" and external_link='$external_link'";
157	$set=$db->query($q);
158	$set->next();
159	return $set->getString('node_id');
160	}
161
162	function getNodeById($node_handle,$user_id, $table_name="nodes") {
163	global $db, $error;
164	$q="select length(concat($table_name.node_vector)) as
165	vector_depth,$table_name.*,$table_name.node_creator as
166	node_owner_id,creator.node_name as owner,node_access.*,$table_name.node_id as
167	node_id,node_parent.node_name as node_parent_name
168	from $table_name left join $table_name as creator on creator.node_id=$table_name.node_creator
169	left join $table_name as node_parent on $table_name.node_parent=node_parent.node_id
170	left join node_access on (node_access.node_id='$node_handle' and node_access.user_id='$user_id')
171	where $table_name.node_id='$node_handle'";
172
173	$result=$db->query($q);
174	if (!$result->next()) {
175	return false;
176	}
177	else {
178	$node=addBase36id($result->getRecord());
179	$node['node_vector']=trim($node['node_vector'],"z");
180	$ancestors=str_split($node['node_vector'],VECTOR_CHARS);
181	foreach ($ancestors as $ancestor) {
182	$node['ancestors'][]=array("name"=>"","link"=>ltrim($ancestor,"0"));
183	}
184	}
185	transport_process_node($node);
186	return $node;
187
188	}
189
190
191	function redirByName($node_handle) {
192	global $db, $error;
193	$user_id=$_SESSION['user_id'];
194	$set=$db->query("select node_id from nodes where node_name='$node_handle' and node_creator='$user_id'");
195	if ($set->next()) {
196	$node_id=$set->getString('node_id');
197	if (!empty($node_id)) {
198	return nodes::getNodeById($node_id,$_SESSION['user_id']);
199	}
200
201	}
202	$set=$db->query("select node_id from nodes where node_name='$node_handle' ");
203	$set->next();
204	$node_id=$set->getString('node_id');
205	if (!empty($node_id)) {
206	return nodes::getNodeById($node_id,$_SESSION['user_id']);
207	}
208
209	}
210
211	function getNodesByName($node_handle) {
212	global $db, $error;
213	$q="select nodes.* from nodes where node_name='$node_handle%'";
214
215	$result=$db->query($q);
216
217	while ($result->next()){
218	$record[]=addBase36id($result->getRecord());
219	}
220	return $record;
221
222	}
223
224
225
226	function getChildrenNodes($orderby="desc",$offset=0,$limit=DEFAULT_LISTING_AMOUNT) {
227	global $db, $error, $node;
228	$node_handle=$node['node_id'];
229
230	$q="select users.,nodes. from nodes
231	left join users on users.user_id=nodes.node_creator where
232	node_parent='$node_handle' order by node_created $orderby LIMIT $offset,$limit";
233	echo $q;
234	$result=$db->query($q);
235
236	while ($result->next()) {
237	$array[]=addBase36id($result->getRecord());
238	}
239
240	return $array;
241
242	}
243
244
245	function getThreadedChildrenNodes($orderby="desc",$offset=0,$limit=DEFAULT_LISTING_AMOUNT) {
246	global $db, $error, $node;
247	$node_handle=$node['node_id'];
248
249	$q="select length(node_vector) as depth,users.login,nodes.* from nodes left join users on users.user_id=nodes.node_creator where node_vector like '".$node['node_vector'].";".$node['node_id']."%' and node_type=3 order by concat(node_vector,';',nodes.node_id,';z') desc,depth LIMIT $offset,$limit";
250
251	$result=$db->query($q);
252
253	while ($result->next()) {
254	$children_array[]=addBase36id($result->getRecord());
255	}
256
257	return $children_array;
258
259	}
260
261
262
263	function getNodeAccessData() {
264	global $node,$db;
265	$q="select users.login,node_access.* from node_access left join users on users.user_id=node_access.user_id where node_id='".$node['node_id']."' and node_permission!=''";
266	$result=$db->query($q);
267
268	while ($result->next()) {
269	$access_data[]=$result->getRecord();
270	}
271
272	return $access_data;
273
274	}
275
276
277	// Simple internal function to set node parrent
278
279	function setParent($params) {
280	global $db,$node,$error,$error_messages;
281	$parent_id=$params['node_parent'];
282	$node_id=$params['node_id'];
283
284	if (!is_numeric($parent_id)) {
285	return false;
286	}
287	$q="select node_vector from nodes where node_id='$parent_id'";
288	$parent_vector=$db->query($q);
289
290	$new_vector=$parent_vector.str_pad($node_id,VECTOR_CHARS,"0",STR_PAD_LEFT);
291	$q="update nodes set node_parent='$parent_id',node_vector='".$new_vector."
292	' where node_id='$node_id'";
293	$db->query($q);
294	}
295
296	}
297