/mod/oublog/view.php

<?php

/**

 * This page prints a particular instance of oublog

 *

 * @author Matt Clarkson <mattc@catalyst.net.nz>

 * @author Sam Marshall <s.marshall@open.ac.uk>

 * @package oublog

 */



// This code tells OU authentication system to let the public access this page

// (subject to Moodle restrictions below and with the accompanying .sams file).

global $DISABLESAMS;

$DISABLESAMS = 'opt';



require_once('../../config.php');

require_once('locallib.php');



if(class_exists('ouflags')) {

    require_once('../../local/mobile/ou_lib.php');

    

    global $OUMOBILESUPPORT;

    $OUMOBILESUPPORT = true;

    ou_set_is_mobile(ou_get_is_mobile_from_cookies());



    $blogdets = optional_param('blogdets', null, PARAM_TEXT); 

	

    $DASHBOARD_COUNTER=DASHBOARD_BLOG_VIEW;

}



$id     = optional_param('id', 0, PARAM_INT);       // Course Module ID

$user   = optional_param('user', 0, PARAM_INT);     // User ID

$offset = optional_param('offset', 0, PARAM_INT);   // Offset fo paging

$tag    = optional_param('tag', null, PARAM_TAG);   // Tag to display



if ($id) {

    if (!$cm = get_coursemodule_from_id('oublog', $id)) {

        error("Course module ID was incorrect");

    }



    if (!$course = get_record("course", "id", $cm->course)) {

        error("Course is misconfigured");

    }



    if (!$oublog = get_record("oublog", "id", $cm->instance)) {

        error("Course module is incorrect");

    }

    $oubloguser->id = null;

    $oubloginstance = null;

    $oubloginstanceid = null;



} elseif ($user) {

    if (!$oubloguser = get_record('user', 'id', $user)) {

        error("User not found");

    }

    if (!list($oublog, $oubloginstance) = oublog_get_personal_blog($oubloguser->id)) {

        error("Course module is incorrect");

    }

    if (!$cm = get_coursemodule_from_instance('oublog', $oublog->id)) {

        error("Course module ID was incorrect");

    }

    if (!$course = get_record("course", "id", $oublog->course)) {

        error("Course is misconfigured");

    }

    $oubloginstanceid = $oubloginstance->id;

} elseif (isloggedin()) {

    redirect('view.php?user='.$USER->id);

} else {

    redirect('bloglogin.php');

}



// The mod_edit page gets it wrong when redirecting to a personal blog.

// Since there's no way to know what personal blog was being updated

// this redirects to the users own blog

if ($oublog->global && empty($user)) {

    redirect('view.php?user='.$USER->id);

    exit;

}



$context = get_context_instance(CONTEXT_MODULE, $cm->id);

oublog_check_view_permissions($oublog, $context, $cm);





/// Check security

$canpost        = oublog_can_post($oublog,$user,$cm);

$canmanageposts = has_capability('mod/oublog:manageposts', $context);

$canaudit       = has_capability('mod/oublog:audit', $context);



/// Get strings

$stroublogs     = get_string('modulenameplural', 'oublog');

$stroublog      = get_string('modulename', 'oublog');

$straddpost     = get_string('newpost', 'oublog');

$strtags        = get_string('tags', 'oublog');

$stredit        = get_string('edit', 'oublog');

$strdelete      = get_string('delete', 'oublog');

$strnewposts    = get_string('newerposts', 'oublog');

$strolderposts  = get_string('olderposts', 'oublog');

$strcomment     = get_string('comment', 'oublog');

$strviews       = get_string('views', 'oublog');

$strlinks       = get_string('links', 'oublog');

$strfeeds       = get_string('feeds', 'oublog');

$strblogsearch  = get_string('searchthisblog', 'oublog');



/// Set-up groups

$groupmode = oublog_get_activity_groupmode($cm, $course);

$currentgroup = oublog_get_activity_group($cm, true);



if (!oublog_is_writable_group($cm)) {

    $canpost=false;

    $canmanageposts=false;

    $cancomment=false;

    $canaudit=false;

}



/// Print the header

$PAGEWILLCALLSKIPMAINDESTINATION = true;

$hideunusedblog=false;



if (class_exists('ouflags') && ou_get_is_mobile()){

    ou_mobile_configure_theme();

}



if ($oublog->global) {

    $blogtype = 'personal';

    $returnurl = $CFG->wwwroot . '/mod/oublog/view.php?user='.$user;



    $name = $oubloginstance->name;



    if(oublog_search_installed()) {

        $buttontext=<<<EOF

<form action="search.php" method="get"><div>

  <input type="hidden" name="user" value="{$oubloguser->id}"/>

  <input type="text" name="query" value=""/>

  <input type="submit" value="{$strblogsearch}"/>

</div></form>

EOF;

    } else {

        $buttontext='';

    }

    $buttontext.=update_module_button($cm->id, $course->id, $stroublog);



} else {

    $blogtype = 'course';

    $returnurl = $CFG->wwwroot . '/mod/oublog/view.php?id='.$id;



    $name = $oublog->name;



    if(oublog_search_installed()) {

        $buttontext=<<<EOF

<form action="search.php" method="get"><div>

  <input type="hidden" name="id" value="{$cm->id}"/>

  <input type="text" name="query" value=""/>

  <input type="submit" value="{$strblogsearch}"/>

</div></form>

EOF;

    } else {

        $buttontext='';

    }

    $buttontext.=update_module_button($cm->id, $course->id, $stroublog);

}

if ($tag) {

    $returnurl .= '&amp;tag='.urlencode($tag);

}



/// Set-up individual

$currentindividual = -1;

$individualdetails = 0;



//set up whether the group selector should display

$showgroupselector = true;

if($oublog->individual) {

    //if separate individual and visible group, do not show groupselector

    //unless the current user has permission

    if ($oublog->individual == OUBLOG_SEPARATE_INDIVIDUAL_BLOGS

        && !has_capability('mod/oublog:viewindividual', $context)) {

        $showgroupselector = false;

    }

    

    $canpost=true;

    $individualdetails = oublog_individual_get_activity_details($cm, $returnurl, $oublog, $currentgroup, $context);

    if ($individualdetails) {

        $currentindividual = $individualdetails->activeindividual;

        if (!$individualdetails->newblogpost) {

            $canpost=false;

        }

    }

}



/// Get Posts

list($posts, $recordcount) = oublog_get_posts($oublog, $context, $offset, $cm, $currentgroup, $currentindividual, $oubloguser->id, $tag, $canaudit);



/// Generate extra navigation

$extranav = array();

if ($offset) {

    $a = new stdClass();

    $a->from = ($offset+1);

    $a->to   = (($recordcount - $offset) > OUBLOG_POSTS_PER_PAGE) ? $offset + OUBLOG_POSTS_PER_PAGE : $recordcount;

    $extranav = array('name' => get_string('extranavolderposts', 'oublog', $a), 'link' => '', 'type' => 'misc');

}

if ($tag) {

    $extranav = array('name' => get_string('extranavtag', 'oublog', $tag), 'link' => '', 'type' => 'misc');

}



if ($oublog->global) {

    // bit about hidden with if global then $posts

    // In order to prevent people from looping through numbers to get the

    // name of every user in the site (in case these names are considered

    // private), don't display the header when not displaying posts, except

    // to users who can post

    $hideunusedblog=!$posts && !$canpost && !$canaudit;

    if($hideunusedblog) {

        print_header();

    } else {

        $navigation = oublog_build_navigation($cm, $oublog, $oubloginstance, 

            $oubloguser, $extranav);

        print_header_simple(format_string($oublog->name), "", $navigation, "", oublog_get_meta_tags($oublog, $oubloginstance, $currentgroup, $cm), true,

            $buttontext, navmenu($course, $cm));

    }

} else {

    $navigation = oublog_build_navigation($cm, $oublog, $oubloginstance, 

        null, $extranav);

    print_header_simple(format_string($oublog->name), "", $navigation, "", oublog_get_meta_tags($oublog, $oubloginstance, $currentgroup, $cm), true,

                  $buttontext, navmenu($course, $cm));

}



print '<div class="oublog-topofpage"></div>';    



require_once(dirname(__FILE__).'/pagelib.php');

 

// Initialize $PAGE, compute blocks

$PAGE       = page_create_instance($oublog->id);

$pageblocks = blocks_setup($PAGE);

$editing = isediting($cm->course);



if (class_exists('ouflags') && ou_get_is_mobile() && $blogdets == 'show'){

    print '<div id="middle-column">';



    ou_print_mobile_navigation($id,$blogdets,null,$user);

}

else {

	// The left column ...

	if($hasleft=!empty($CFG->showblocksonmodpages) && (blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $editing)) {

	    print '<div id="left-column">';

	    blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);

	    print '</div>';

	}



print '</div>';// fix mixed columns in rtl mode and editing mode (nadavkav patch)



	// The right column, BEFORE the middle-column.

	print '<div id="right-column">';

}



if(!$hideunusedblog) {

    // Name, summary, related links

    oublog_print_summary_block($oublog, $oubloginstance, $canmanageposts);



    /// Tag Cloud

    if ($tags = oublog_get_tag_cloud($returnurl, $oublog, $currentgroup, $cm, $oubloginstanceid, $currentindividual)) {

        print_side_block($strtags, $tags, NULL, NULL, NULL, array('id' => 'oublog-tags'),$strtags);

    }



/// Links

    $links = oublog_get_links($oublog, $oubloginstance, $context);

    if ($links) {

        print_side_block($strlinks, $links, NULL, NULL, NULL, array('id' => 'oublog-links'),$strlinks);

    }



    // Feeds

    if ($feeds = oublog_get_feedblock($oublog, $oubloginstance, $currentgroup, false, $cm, $currentindividual)) {

        $feedicon = ' <img src="'.$CFG->pixpath.'/i/rss.gif" alt="'.get_string('blogfeed', 'oublog').'"  class="feedicon" />';

        print_side_block($strfeeds . $feedicon, $feeds, NULL, NULL, NULL, array('id' => 'oublog-feeds'), $strfeeds);

    }

}



if (class_exists('ouflags') && ou_get_is_mobile() && $blogdets == 'show'){

    ou_print_mobile_navigation($id,$blogdets,null,$user);

}



print '</div>';



if (class_exists('ouflags') && ou_get_is_mobile() && $blogdets == 'show'){

    print_footer($course);

    exit;

}



// Start main column

$classes='';



if (!class_exists('ouflags') || !ou_get_is_mobile()){

	$classes.=$hasleft ? 'has-left-column ' : '';

    $classes.='has-right-column ';

}

    

$classes=trim($classes);

if($classes) {

    print '<div id="middle-column" class="'.$classes.'">';

} else {    

    print '<div id="middle-column">';

}



if (class_exists('ouflags') && ou_get_is_mobile()){

	ou_print_mobile_navigation($id,$blogdets,null,$user);

}



print skip_main_destination();



//adding a link to the computing guide

if (class_exists('ouflags')) { 

    require_once($CFG->dirroot.'/local/utils_shared.php');

    $computingguidelink = get_link_to_computing_guide('oublog');

    print '<span class="computing-guide"> '.$computingguidelink.'</span>';

}



/// Print Groups and individual drop-down menu

echo '<div class="oublog-groups-individual-selectors">';



/// Print Groups

if ($showgroupselector) {

    groups_print_activity_menu($cm, $returnurl);

}

/// Print Individual

if($oublog->individual) {

    if ($individualdetails) {

        echo $individualdetails->display;

        $individualmode = $individualdetails->mode;

        $currentindividual = $individualdetails->activeindividual;

    }

}

echo '</div>';



/// Print the main part of the page



// New post button - in group blog, you can only post if a group is selected

if ($oublog->individual && $individualdetails) {

    $showpostbutton = $canpost;

} else {

    $showpostbutton = $canpost && ($currentgroup || !$groupmode );

}

if ($showpostbutton) {

    print_single_button('editpost.php', array('blog' => $cm->instance), $straddpost);

}



// Print blog posts

if ($posts) {

    echo '<div id="oublog-posts">';

    if ($offset > 0) {

        if ($offset-OUBLOG_POSTS_PER_PAGE == 0) {

            print "<div class='oublog-newerposts'><a href=\"$returnurl\">$strnewposts</a></div>";

        } else {

            print "<div class='oublog-newerposts'><a href=\"$returnurl&amp;offset=".($offset-OUBLOG_POSTS_PER_PAGE)."\">$strnewposts</a></div>";

        }

    }



    foreach ($posts as $post) {

        oublog_print_post($cm, $oublog, $post, $returnurl, $blogtype, $canmanageposts, $canaudit);

    }



    if ($recordcount - $offset > OUBLOG_POSTS_PER_PAGE) {

        print "<div class='oublog-olderposts'><a href=\"$returnurl&amp;offset=".($offset+OUBLOG_POSTS_PER_PAGE)."\">$strolderposts</a></div>";

    }

    echo '</div>';

} 



// Print information allowing the user to log in if necessary, or letting

// them know if there are no posts in the blog

if (isguestuser() && $USER->id==$user) {

    print '<p class="oublog_loginnote">'.

        get_string('guestblog','oublog',

            'bloglogin.php?returnurl='.urlencode($returnurl)).'</p>';

} else if(!isloggedin() || isguestuser()) {

    print '<p class="oublog_loginnote">'.

        get_string('maybehiddenposts','oublog',

            'bloglogin.php?returnurl='.urlencode($returnurl)).'</p>';

} else if(!$posts) {

    print '<p class="oublog_noposts">'.

        get_string('noposts','oublog').'</p>';

}



/// Log visit and bump view count

add_to_log($course->id, "oublog", "view", $returnurl, $oublog->id, $cm->id);

$views = oublog_update_views($oublog, $oubloginstance);



// Show dashboard feature if enabled, if course blog

if (class_exists('ouflags') && !$oublog->global) {

    require_once($CFG->dirroot . '/local/externaldashboard/external_dashboard.php');

    external_dashboard::print_favourites_button($cm);

}



/// Finish the page

echo "<div class=\"clearer\"></div><div class=\"oublog-views\">$strviews $views</div></div>";



if(class_exists('ouflags')) {

    completion_set_module_viewed($course,$cm);    

}



if (class_exists('ouflags') && ou_get_is_mobile()){

    ou_print_mobile_navigation($id,$blogdets,null,$user);

}



print_footer($course);

?>