net_nemein_wiki_wikipage::update_link_cache() - Code Metrics - Inspection of "Add some missing visibilty keywords & correct a co..." - flack/openpsa - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 7668ba...b7b643 )

by Andreas

created 2016-10-22 17:11 UTC

net_nemein_wiki_wikipage::update_link_cache() B

↳ Parent: net_nemein_wiki_wikipage

Complexity

Conditions	4
Paths	6

Size

Total Lines	33
Code Lines	18

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	4
eloc	18
nc	6
nop	0
dl	0
loc	33
rs	8.5806
c	0
b	0
f	0

<?php
/**
 * @package net.nemein.wiki
 * @author The Midgard Project, http://www.midgard-project.org
 * @copyright The Midgard Project, http://www.midgard-project.org
 * @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License
 */

/**
 * Wiki note helper class to be used by other components
 *
 * @package net.nemein.wiki
 */
class net_nemein_wiki_wikipage extends midcom_db_article
namespace YourVendor;

class YourClass { }
{
    public $autodelete_dependents = array
    (
        'net_nemein_wiki_link_dba' => 'frompage'
    );

    public function _on_loaded()
    {
        // Backwards compatibility
        if ($this->name == '')
        {
            $generator = midcom::get()->serviceloader->load('midcom_core_service_urlgenerator');
            $this->name = $generator->from_string($this->title);
            $this->update();
        }
    }

    public function _on_creating()
    {
        if (   $this->title == ''
            || !$this->topic)
        {
            // We must have wikiword and topic at this stage
            return false;
        }

        // Check for duplicates
        $qb = net_nemein_wiki_wikipage::new_query_builder();
        $qb->add_constraint('topic', '=', $this->topic);
        $qb->add_constraint('title', '=', $this->title);
        if ($qb->count() > 0)
        {
            midcom_connection::set_error(MGD_ERR_OBJECT_NAME_EXISTS);
            return false;
        }

        // Generate URL-clean name
        if ($this->name != 'index')
        {
            $generator = midcom::get()->serviceloader->load('midcom_core_service_urlgenerator');
            $this->name = $generator->from_string($this->title);
        }
        return true;
    }

    public function _on_updating()
    {
        if (midcom::get()->auth->user)
        {
            // Place current user in the page authors list
            $authors = explode('|', substr($this->metadata->authors, 1, -1));
            if (!in_array(midcom::get()->auth->user->guid, $authors))
            {
                $authors[] = midcom::get()->auth->user->guid;
                $this->metadata->authors = '|' . implode('|', $authors) . '|';
            }
        }
        return parent::_on_updating();
    }

    public function _on_updated()
    {
        parent::_on_updated();
        $this->update_watchers();
        $this->update_link_cache();
    }

    /**
     * Caches links in the wiki page into database for faster "what links here" queries
     */
    private function update_link_cache()
    {
        $parser = new net_nemein_wiki_parser($this);
        $links_in_content = $parser->find_links_in_content();

        $qb = net_nemein_wiki_link_dba::new_query_builder();
        $qb->add_constraint('frompage', '=', $this->id);
        $links_in_db = $qb->execute();

        // Check links in DB versus links in content to see what needs to be removed
        foreach ($links_in_db as $link)
$collection = json_decode($data, true);
if ( ! is_array($collection)) {
    throw new \RuntimeException('$collection must be an array.');
}

foreach ($collection as $item) { /** ... */ }
        {
            if (!array_key_exists($link->topage, $links_in_content))
            {
                // This link is not any more in content, remove
                $link->delete();
                continue;
            }
            //no change for this link
            unset($links_in_content[$link->topage]);
        }

        // What is still left needs to be added
        $links_in_content = array_keys($links_in_content);
        foreach ($links_in_content as $wikilink)
        {
            $link = new net_nemein_wiki_link_dba();
            $link->frompage = $this->id;
            $link->topage = $wikilink;
            debug_add("Creating net_nemein_wiki_link_dba: from page #{$link->frompage}, to page: '$link->topage'");
            $link->create();
        }
    }

    private function list_watchers()
    {
        $topic = new midcom_db_topic($this->topic);
        // Get list of people watching this page
        $watchers = array();
        $qb = new midgard_query_builder('midgard_parameter');
        $qb->add_constraint('domain', '=', 'net.nemein.wiki:watch');
        $qb->begin_group('OR');
            // List people watching the whole wiki
            $qb->add_constraint('parentguid', '=', $topic->guid);
            // List people watching this particular page
            $qb->add_constraint('parentguid', '=', $this->guid);
        $qb->end_group();
        $watcher_params = $qb->execute();

        foreach ($watcher_params as $parameter)
        {
            if (in_array($parameter->name, $watchers))
            {
                // We found this one already, skip
                continue;
            }

            $watchers[] = $parameter->name;
        }
        return $watchers;
    }

    private function update_watchers()
    {
        $watchers = $this->list_watchers();
        if (empty($watchers))
        {
            return;
        }

        $diff = $this->get_diff();
        if (empty($diff))
        {
            // No sense to email empty diffs
            return;
        }

        // Construct the message
        $message = array();
        $user_string = midcom::get()->i18n->get_string('anonymous', 'net.nemein.wiki');
        if (midcom::get()->auth->user)
        {
            $user = midcom::get()->auth->user->get_storage();
            $user_string = $user->name;
        }
        // Title for long notifications
        $message['title'] = sprintf(midcom::get()->i18n->get_string('page %s has been updated by %s', 'net.nemein.wiki'), $this->title, $user_string);
        // Content for long notifications
        $message['content']  = "{$message['title']}\n\n";

        // TODO: Get RCS diff here
        $message['content'] .= midcom::get()->i18n->get_string('page modifications', 'net.nemein.wiki') . ":\n";
        $message['content'] .= "\n{$diff}\n\n";

        $message['content'] .= midcom::get()->i18n->get_string('link to page', 'net.nemein.wiki') . ":\n";
        $message['content'] .= midcom::get()->permalinks->create_permalink($this->guid);

        // Content for short notifications
        $topic = new midcom_db_topic($this->topic);
        $message['abstract'] = sprintf(midcom::get()->i18n->get_string('page %s has been updated by %s in wiki %s', 'net.nemein.wiki'), $this->title, $user_string, $topic->extra);

        debug_add("Processing list of Wiki subscribers");

        // Send the message out
        foreach ($watchers as $recipient)
        {
            debug_add("Notifying {$recipient}...");
            org_openpsa_notifications::notify('net.nemein.wiki:page_updated', $recipient, $message);
        }
    }

    private function get_diff($field = 'content')
    {
        // Load the RCS handler
        $rcs = midcom::get()->rcs;
        $rcs_handler = $rcs->load_handler($this);
        if (!$rcs_handler)
        {
            return null;
        }

        // Find out what versions to diff
        $history = $rcs_handler->list_history_numeric();
        if (count($history) < 2)
        {
            return '';
        }
        $this_version = $history[0];
        $prev_version = $history[1];

        try
        {
            $diff_fields = $rcs_handler->get_diff($prev_version, $this_version, 'unified');
        }
        catch (midcom_error $e)
        {
            $e->log();
            return '';
        }

        if (!array_key_exists('diff', $diff_fields[$field]))
        {
            // No differences
            return '';
        }

        return $diff_fields[$field]['diff'];
    }
}


1			<?php
2			/**
3			* @package net.nemein.wiki
4			* @author The Midgard Project, http://www.midgard-project.org
5			* @copyright The Midgard Project, http://www.midgard-project.org
6			* @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License
7			*/
8
9			/**
10			* Wiki note helper class to be used by other components
11			*
12			* @package net.nemein.wiki
13			*/
14			class net_nemein_wiki_wikipage extends midcom_db_article
			1 ignored issue – show Coding Style Compatibility introduced 2016-10-21 11:20 UTC by Report Bug Copy Issue Report PSR1 recommends that each class must be in a namespace of at least one level to avoid collisions. You can fix this by adding a namespace to your class: namespace YourVendor; class YourClass { } When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries. Loading history...
15			{
16			public $autodelete_dependents = array
17			(
18			'net_nemein_wiki_link_dba' => 'frompage'
19			);
20
21			public function _on_loaded()
22			{
23			// Backwards compatibility
24			if ($this->name == '')
25			{
26			$generator = midcom::get()->serviceloader->load('midcom_core_service_urlgenerator');
27			$this->name = $generator->from_string($this->title);
28			$this->update();
29			}
30			}
31
32			public function _on_creating()
33			{
34			if ( $this->title == ''
35			\|\| !$this->topic)
36			{
37			// We must have wikiword and topic at this stage
38			return false;
39			}
40
41			// Check for duplicates
42			$qb = net_nemein_wiki_wikipage::new_query_builder();
43			$qb->add_constraint('topic', '=', $this->topic);
44			$qb->add_constraint('title', '=', $this->title);
45			if ($qb->count() > 0)
46			{
47			midcom_connection::set_error(MGD_ERR_OBJECT_NAME_EXISTS);
48			return false;
49			}
50
51			// Generate URL-clean name
52			if ($this->name != 'index')
53			{
54			$generator = midcom::get()->serviceloader->load('midcom_core_service_urlgenerator');
55			$this->name = $generator->from_string($this->title);
56			}
57			return true;
58			}
59
60			public function _on_updating()
61			{
62			if (midcom::get()->auth->user)
63			{
64			// Place current user in the page authors list
65			$authors = explode('\|', substr($this->metadata->authors, 1, -1));
66			if (!in_array(midcom::get()->auth->user->guid, $authors))
67			{
68			$authors[] = midcom::get()->auth->user->guid;
69			$this->metadata->authors = '\|' . implode('\|', $authors) . '\|';
70			}
71			}
72			return parent::_on_updating();
73			}
74
75			public function _on_updated()
76			{
77			parent::_on_updated();
78			$this->update_watchers();
79			$this->update_link_cache();
80			}
81
82			/**
83			* Caches links in the wiki page into database for faster "what links here" queries
84			*/
85			private function update_link_cache()
86			{
87			$parser = new net_nemein_wiki_parser($this);
88			$links_in_content = $parser->find_links_in_content();
89
90			$qb = net_nemein_wiki_link_dba::new_query_builder();
91			$qb->add_constraint('frompage', '=', $this->id);
92			$links_in_db = $qb->execute();
93
94			// Check links in DB versus links in content to see what needs to be removed
95			foreach ($links_in_db as $link)
			0 ignored issues – show Bug introduced 2016-10-21 11:20 UTC by Report Bug Copy Issue Report The expression `$links_in_db` of type `array\|false` is not guaranteed to be traversable. How about adding an additional type check? There are different options of fixing this problem. If you want to be on the safe side, you can add an additional type-check: $collection = json_decode($data, true); if ( ! is_array($collection)) { throw new \RuntimeException('$collection must be an array.'); } foreach ($collection as $item) { /** ... / } If you are sure that the expression is traversable, you might want to add a doc comment cast* to improve IDE auto-completion and static analysis: /** @var array $collection / $collection = json_decode($data, true); foreach ($collection as $item) { /* .. / } Mark the issue as a false-positive*: Just hover the remove button, in the top-right corner of this issue for more options. Loading history...
96			{
97			if (!array_key_exists($link->topage, $links_in_content))
98			{
99			// This link is not any more in content, remove
100			$link->delete();
101			continue;
102			}
103			//no change for this link
104			unset($links_in_content[$link->topage]);
105			}
106
107			// What is still left needs to be added
108			$links_in_content = array_keys($links_in_content);
109			foreach ($links_in_content as $wikilink)
110			{
111			$link = new net_nemein_wiki_link_dba();
112			$link->frompage = $this->id;
113			$link->topage = $wikilink;
114			debug_add("Creating net_nemein_wiki_link_dba: from page #{$link->frompage}, to page: '$link->topage'");
115			$link->create();
116			}
117			}
118
119			private function list_watchers()
120			{
121			$topic = new midcom_db_topic($this->topic);
122			// Get list of people watching this page
123			$watchers = array();
124			$qb = new midgard_query_builder('midgard_parameter');
125			$qb->add_constraint('domain', '=', 'net.nemein.wiki:watch');
126			$qb->begin_group('OR');
127			// List people watching the whole wiki
128			$qb->add_constraint('parentguid', '=', $topic->guid);
129			// List people watching this particular page
130			$qb->add_constraint('parentguid', '=', $this->guid);
131			$qb->end_group();
132			$watcher_params = $qb->execute();
133
134			foreach ($watcher_params as $parameter)
135			{
136			if (in_array($parameter->name, $watchers))
137			{
138			// We found this one already, skip
139			continue;
140			}
141
142			$watchers[] = $parameter->name;
143			}
144			return $watchers;
145			}
146
147			private function update_watchers()
148			{
149			$watchers = $this->list_watchers();
150			if (empty($watchers))
151			{
152			return;
153			}
154
155			$diff = $this->get_diff();
156			if (empty($diff))
157			{
158			// No sense to email empty diffs
159			return;
160			}
161
162			// Construct the message
163			$message = array();
164			$user_string = midcom::get()->i18n->get_string('anonymous', 'net.nemein.wiki');
165			if (midcom::get()->auth->user)
166			{
167			$user = midcom::get()->auth->user->get_storage();
168			$user_string = $user->name;
169			}
170			// Title for long notifications
171			$message['title'] = sprintf(midcom::get()->i18n->get_string('page %s has been updated by %s', 'net.nemein.wiki'), $this->title, $user_string);
172			// Content for long notifications
173			$message['content'] = "{$message['title']}\n\n";
174
175			// TODO: Get RCS diff here
176			$message['content'] .= midcom::get()->i18n->get_string('page modifications', 'net.nemein.wiki') . ":\n";
177			$message['content'] .= "\n{$diff}\n\n";
178
179			$message['content'] .= midcom::get()->i18n->get_string('link to page', 'net.nemein.wiki') . ":\n";
180			$message['content'] .= midcom::get()->permalinks->create_permalink($this->guid);
181
182			// Content for short notifications
183			$topic = new midcom_db_topic($this->topic);
184			$message['abstract'] = sprintf(midcom::get()->i18n->get_string('page %s has been updated by %s in wiki %s', 'net.nemein.wiki'), $this->title, $user_string, $topic->extra);
185
186			debug_add("Processing list of Wiki subscribers");
187
188			// Send the message out
189			foreach ($watchers as $recipient)
190			{
191			debug_add("Notifying {$recipient}...");
192			org_openpsa_notifications::notify('net.nemein.wiki:page_updated', $recipient, $message);
193			}
194			}
195
196			private function get_diff($field = 'content')
197			{
198			// Load the RCS handler
199			$rcs = midcom::get()->rcs;
200			$rcs_handler = $rcs->load_handler($this);
201			if (!$rcs_handler)
202			{
203			return null;
204			}
205
206			// Find out what versions to diff
207			$history = $rcs_handler->list_history_numeric();
208			if (count($history) < 2)
209			{
210			return '';
211			}
212			$this_version = $history[0];
213			$prev_version = $history[1];
214
215			try
216			{
217			$diff_fields = $rcs_handler->get_diff($prev_version, $this_version, 'unified');
218			}
219			catch (midcom_error $e)
220			{
221			$e->log();
222			return '';
223			}
224
225			if (!array_key_exists('diff', $diff_fields[$field]))
226			{
227			// No differences
228			return '';
229			}
230
231			return $diff_fields[$field]['diff'];
232			}
233			}
234

flack / openpsa

Push — master ( 7668ba...b7b643 )

net_nemein_wiki_wikipage::update_link_cache() B

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Duplication

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