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78 lines
2.6 KiB
PHP
78 lines
2.6 KiB
PHP
<?PHP //$Id$
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//This php script contains all the stuff to backup/restore
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//resource mods
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//This is the "graphical" structure of the resource mod:
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//
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// resource
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// (CL,pk->id,files)
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//
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// Meaning: pk->primary key field of the table
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// fk->foreign key to link with parent
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// nt->nested field (recursive data)
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// CL->course level info
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// UL->user level info
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// files->table may have files)
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//
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//-----------------------------------------------------------
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//This function executes all the backup procedure about this mod
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function resource_backup_mods($bf,$preferences) {
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global $CFG;
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$status = true;
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////Iterate over resource table
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$resources = get_records ("resource","course",$preferences->backup_course,"id");
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if ($resources) {
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foreach ($resources as $resource) {
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//Start mod
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fwrite ($bf,start_tag("MOD",3,true));
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//Print assignment data
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fwrite ($bf,full_tag("ID",4,false,$resource->id));
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fwrite ($bf,full_tag("MODTYPE",4,false,"resource"));
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fwrite ($bf,full_tag("NAME",4,false,$resource->name));
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fwrite ($bf,full_tag("TYPE",4,false,$resource->type));
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fwrite ($bf,full_tag("REFERENCE",4,false,$resource->reference));
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fwrite ($bf,full_tag("SUMMARY",4,false,$resource->summary));
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fwrite ($bf,full_tag("ALLTEXT",4,false,$resource->alltext));
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fwrite ($bf,full_tag("TIMEMODIFIED",4,false,$resource->timemodified));
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//End mod
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$status = fwrite ($bf,end_tag("MOD",3,true));
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}
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}
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return $status;
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}
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////Return an array of info (name,value)
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function resource_check_backup_mods($course,$user_data=false,$backup_unique_code) {
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//First the course data
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$info[0][0] = get_string("modulenameplural","resource");
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if ($ids = resource_ids ($course)) {
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$info[0][1] = count($ids);
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} else {
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$info[0][1] = 0;
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}
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return $info;
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}
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// INTERNAL FUNCTIONS. BASED IN THE MOD STRUCTURE
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//Returns an array of resources id
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function resource_ids ($course) {
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global $CFG;
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return get_records_sql ("SELECT a.id, a.course
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FROM {$CFG->prefix}resource a
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WHERE a.course = '$course'");
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}
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?>
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