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PHP Cross Reference of Moodle 1.9.3 [Build 15-Oct-2008] |
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1 <?php //$Id: backuplib.php,v 1.12 2006/09/21 09:35:20 stronk7 Exp $ 2 //This php script contains all the stuff to backup/restore 3 //assignment mods 4 5 //This is the "graphical" structure of the assignment mod: 6 // 7 // assignment 8 // (CL,pk->id) 9 // | 10 // | 11 // | 12 // assignment_submisions 13 // (UL,pk->id, fk->assignment,files) 14 // 15 // Meaning: pk->primary key field of the table 16 // fk->foreign key to link with parent 17 // nt->nested field (recursive data) 18 // CL->course level info 19 // UL->user level info 20 // files->table may have files) 21 // 22 //----------------------------------------------------------- 23 24 //This function executes all the backup procedure about this mod 25 function assignment_backup_mods($bf,$preferences) { 26 27 global $CFG; 28 29 $status = true; 30 31 //Iterate over assignment table 32 $assignments = get_records ("assignment","course",$preferences->backup_course,"id"); 33 if ($assignments) { 34 foreach ($assignments as $assignment) { 35 if (backup_mod_selected($preferences,'assignment',$assignment->id)) { 36 $status = assignment_backup_one_mod($bf,$preferences,$assignment); 37 // backup files happens in backup_one_mod now too. 38 } 39 } 40 } 41 return $status; 42 } 43 44 function assignment_backup_one_mod($bf,$preferences,$assignment) { 45 46 global $CFG; 47 48 if (is_numeric($assignment)) { 49 $assignment = get_record('assignment','id',$assignment); 50 } 51 52 $status = true; 53 54 //Start mod 55 fwrite ($bf,start_tag("MOD",3,true)); 56 //Print assignment data 57 fwrite ($bf,full_tag("ID",4,false,$assignment->id)); 58 fwrite ($bf,full_tag("MODTYPE",4,false,"assignment")); 59 fwrite ($bf,full_tag("NAME",4,false,$assignment->name)); 60 fwrite ($bf,full_tag("DESCRIPTION",4,false,$assignment->description)); 61 fwrite ($bf,full_tag("FORMAT",4,false,$assignment->format)); 62 fwrite ($bf,full_tag("RESUBMIT",4,false,$assignment->resubmit)); 63 fwrite ($bf,full_tag("PREVENTLATE",4,false,$assignment->preventlate)); 64 fwrite ($bf,full_tag("EMAILTEACHERS",4,false,$assignment->emailteachers)); 65 fwrite ($bf,full_tag("VAR1",4,false,$assignment->var1)); 66 fwrite ($bf,full_tag("VAR2",4,false,$assignment->var2)); 67 fwrite ($bf,full_tag("VAR3",4,false,$assignment->var3)); 68 fwrite ($bf,full_tag("VAR4",4,false,$assignment->var4)); 69 fwrite ($bf,full_tag("VAR5",4,false,$assignment->var5)); 70 fwrite ($bf,full_tag("ASSIGNMENTTYPE",4,false,$assignment->assignmenttype)); 71 fwrite ($bf,full_tag("MAXBYTES",4,false,$assignment->maxbytes)); 72 fwrite ($bf,full_tag("TIMEDUE",4,false,$assignment->timedue)); 73 fwrite ($bf,full_tag("TIMEAVAILABLE",4,false,$assignment->timeavailable)); 74 fwrite ($bf,full_tag("GRADE",4,false,$assignment->grade)); 75 fwrite ($bf,full_tag("TIMEMODIFIED",4,false,$assignment->timemodified)); 76 //if we've selected to backup users info, then execute backup_assignment_submisions and 77 //backup_assignment_files_instance 78 if (backup_userdata_selected($preferences,'assignment',$assignment->id)) { 79 $status = backup_assignment_submissions($bf,$preferences,$assignment->id); 80 if ($status) { 81 $status = backup_assignment_files_instance($bf,$preferences,$assignment->id); 82 } 83 } 84 //End mod 85 $status =fwrite ($bf,end_tag("MOD",3,true)); 86 87 return $status; 88 } 89 90 //Backup assignment_submissions contents (executed from assignment_backup_mods) 91 function backup_assignment_submissions ($bf,$preferences,$assignment) { 92 93 global $CFG; 94 95 $status = true; 96 97 $assignment_submissions = get_records("assignment_submissions","assignment",$assignment,"id"); 98 //If there is submissions 99 if ($assignment_submissions) { 100 //Write start tag 101 $status =fwrite ($bf,start_tag("SUBMISSIONS",4,true)); 102 //Iterate over each submission 103 foreach ($assignment_submissions as $ass_sub) { 104 //Start submission 105 $status =fwrite ($bf,start_tag("SUBMISSION",5,true)); 106 //Print submission contents 107 fwrite ($bf,full_tag("ID",6,false,$ass_sub->id)); 108 fwrite ($bf,full_tag("USERID",6,false,$ass_sub->userid)); 109 fwrite ($bf,full_tag("TIMECREATED",6,false,$ass_sub->timecreated)); 110 fwrite ($bf,full_tag("TIMEMODIFIED",6,false,$ass_sub->timemodified)); 111 fwrite ($bf,full_tag("NUMFILES",6,false,$ass_sub->numfiles)); 112 fwrite ($bf,full_tag("DATA1",6,false,$ass_sub->data1)); 113 fwrite ($bf,full_tag("DATA2",6,false,$ass_sub->data2)); 114 fwrite ($bf,full_tag("GRADE",6,false,$ass_sub->grade)); 115 fwrite ($bf,full_tag("SUBMISSIONCOMMENT",6,false,$ass_sub->submissioncomment)); 116 fwrite ($bf,full_tag("FORMAT",6,false,$ass_sub->format)); 117 fwrite ($bf,full_tag("TEACHER",6,false,$ass_sub->teacher)); 118 fwrite ($bf,full_tag("TIMEMARKED",6,false,$ass_sub->timemarked)); 119 fwrite ($bf,full_tag("MAILED",6,false,$ass_sub->mailed)); 120 //End submission 121 $status =fwrite ($bf,end_tag("SUBMISSION",5,true)); 122 } 123 //Write end tag 124 $status =fwrite ($bf,end_tag("SUBMISSIONS",4,true)); 125 } 126 return $status; 127 } 128 129 //Backup assignment files because we've selected to backup user info 130 //and files are user info's level 131 function backup_assignment_files($bf,$preferences) { 132 133 global $CFG; 134 135 $status = true; 136 137 //First we check to moddata exists and create it as necessary 138 //in temp/backup/$backup_code dir 139 $status = check_and_create_moddata_dir($preferences->backup_unique_code); 140 //Now copy the assignment dir 141 if ($status) { 142 //Only if it exists !! Thanks to Daniel Miksik. 143 if (is_dir($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/assignment")) { 144 $status = backup_copy_file($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/assignment", 145 $CFG->dataroot."/temp/backup/".$preferences->backup_unique_code."/moddata/assignment"); 146 } 147 } 148 149 return $status; 150 151 } 152 153 function backup_assignment_files_instance($bf,$preferences,$instanceid) { 154 155 global $CFG; 156 157 $status = true; 158 159 //First we check to moddata exists and create it as necessary 160 //in temp/backup/$backup_code dir 161 $status = check_and_create_moddata_dir($preferences->backup_unique_code); 162 $status = check_dir_exists($CFG->dataroot."/temp/backup/".$preferences->backup_unique_code."/moddata/assignment/",true); 163 //Now copy the assignment dir 164 if ($status) { 165 //Only if it exists !! Thanks to Daniel Miksik. 166 if (is_dir($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/assignment/".$instanceid)) { 167 $status = backup_copy_file($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/assignment/".$instanceid, 168 $CFG->dataroot."/temp/backup/".$preferences->backup_unique_code."/moddata/assignment/".$instanceid); 169 } 170 } 171 172 return $status; 173 174 } 175 176 //Return an array of info (name,value) 177 function assignment_check_backup_mods($course,$user_data=false,$backup_unique_code,$instances=null) { 178 if (!empty($instances) && is_array($instances) && count($instances)) { 179 $info = array(); 180 foreach ($instances as $id => $instance) { 181 $info += assignment_check_backup_mods_instances($instance,$backup_unique_code); 182 } 183 return $info; 184 } 185 //First the course data 186 $info[0][0] = get_string("modulenameplural","assignment"); 187 if ($ids = assignment_ids ($course)) { 188 $info[0][1] = count($ids); 189 } else { 190 $info[0][1] = 0; 191 } 192 193 //Now, if requested, the user_data 194 if ($user_data) { 195 $info[1][0] = get_string("submissions","assignment"); 196 if ($ids = assignment_submission_ids_by_course ($course)) { 197 $info[1][1] = count($ids); 198 } else { 199 $info[1][1] = 0; 200 } 201 } 202 return $info; 203 } 204 205 //Return an array of info (name,value) 206 function assignment_check_backup_mods_instances($instance,$backup_unique_code) { 207 $info[$instance->id.'0'][0] = '<b>'.$instance->name.'</b>'; 208 $info[$instance->id.'0'][1] = ''; 209 if (!empty($instance->userdata)) { 210 $info[$instance->id.'1'][0] = get_string("submissions","assignment"); 211 if ($ids = assignment_submission_ids_by_instance ($instance->id)) { 212 $info[$instance->id.'1'][1] = count($ids); 213 } else { 214 $info[$instance->id.'1'][1] = 0; 215 } 216 } 217 return $info; 218 } 219 220 //Return a content encoded to support interactivities linking. Every module 221 //should have its own. They are called automatically from the backup procedure. 222 function assignment_encode_content_links ($content,$preferences) { 223 224 global $CFG; 225 226 $base = preg_quote($CFG->wwwroot,"/"); 227 228 //Link to the list of assignments 229 $buscar="/(".$base."\/mod\/assignment\/index.php\?id\=)([0-9]+)/"; 230 $result= preg_replace($buscar,'$@ASSIGNMENTINDEX*$2@$',$content); 231 232 //Link to assignment view by moduleid 233 $buscar="/(".$base."\/mod\/assignment\/view.php\?id\=)([0-9]+)/"; 234 $result= preg_replace($buscar,'$@ASSIGNMENTVIEWBYID*$2@$',$result); 235 236 return $result; 237 } 238 239 // INTERNAL FUNCTIONS. BASED IN THE MOD STRUCTURE 240 241 //Returns an array of assignments id 242 function assignment_ids ($course) { 243 244 global $CFG; 245 246 return get_records_sql ("SELECT a.id, a.course 247 FROM {$CFG->prefix}assignment a 248 WHERE a.course = '$course'"); 249 } 250 251 //Returns an array of assignment_submissions id 252 function assignment_submission_ids_by_course ($course) { 253 254 global $CFG; 255 256 return get_records_sql ("SELECT s.id , s.assignment 257 FROM {$CFG->prefix}assignment_submissions s, 258 {$CFG->prefix}assignment a 259 WHERE a.course = '$course' AND 260 s.assignment = a.id"); 261 } 262 263 //Returns an array of assignment_submissions id 264 function assignment_submission_ids_by_instance ($instanceid) { 265 266 global $CFG; 267 268 return get_records_sql ("SELECT s.id , s.assignment 269 FROM {$CFG->prefix}assignment_submissions s 270 WHERE s.assignment = $instanceid"); 271 } 272 ?>
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| Generated: Wed Jan 14 11:33:29 2009 | Cross-referenced by PHPXref 0.7 |