ILIAS  release_5-2 Revision v5.2.25-18-g3f80b828510
Public Member Functions | Static Public Member Functions | Static Public Attributes
ilObjContentObjectAccess Class Reference
Modules/IliasLearningModule

Class ilObjContentObjectAccess. More...

+ Inheritance diagram for ilObjContentObjectAccess:
+ Collaboration diagram for ilObjContentObjectAccess:

Public Member Functions

 _checkAccess ($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id="")
 checks wether a user may invoke a command or not (this method is called by ilAccessHandler::checkAccess) More...
 
- Public Member Functions inherited from ilObjectAccess
 _checkAccess ($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id="")
 Checks wether a user may invoke a command or not (this method is called by ilAccessHandler::checkAccess) More...
 
 _checkCondition ($a_obj_id, $a_operator, $a_value, $a_usr_id)
 check condition More...
 

Static Public Member Functions

static _lookupOnline ($a_id)
 check wether learning module is online More...
 
static _getLastAccessedPage ($a_ref_id, $a_user_id="")
 get last accessed page More...
 
static _checkGoto ($a_target)
 check whether goto script will succeed More...
 
static _isOffline ($a_obj_id)
 Type-specific implementation of general status. More...
 
static _preloadData ($a_obj_ids, $a_ref_ids)
 Preload data. More...
 
- Static Public Member Functions inherited from ilObjectAccess
static _getCommands ()
 get commands More...
 
static _checkGoto ($a_target)
 check whether goto script will succeed More...
 
static _isOffline ($a_obj_id)
 Type-specific implementation of general status, has to be overwritten. More...
 
static _preloadData ($a_obj_ids, $a_ref_ids)
 Preload data. More...
 

Static Public Attributes

static $online
 
static $lo_access
 

Detailed Description

Class ilObjContentObjectAccess.

Author
Alex Killing alex..nosp@m.kill.nosp@m.ing@g.nosp@m.mx.d.nosp@m.e
Version
$Id$

Definition at line 17 of file class.ilObjContentObjectAccess.php.

Member Function Documentation

◆ _checkAccess()

ilObjContentObjectAccess::_checkAccess (   $a_cmd,
  $a_permission,
  $a_ref_id,
  $a_obj_id,
  $a_user_id = "" 
)

checks wether a user may invoke a command or not (this method is called by ilAccessHandler::checkAccess)

Parameters
string$a_cmdcommand (not permission!)
string$a_permissionpermission
int$a_ref_idreference id
int$a_obj_idobject id
int$a_user_iduser id (if not provided, current user is taken)
Returns
boolean true, if everything is ok

Definition at line 34 of file class.ilObjContentObjectAccess.php.

References $ilUser, $lng, _lookupOnline(), and IL_NO_OBJECT_ACCESS.

35  {
36  global $ilUser, $lng, $rbacsystem, $ilAccess;
37 
38  if ($a_user_id == "")
39  {
40  $a_user_id = $ilUser->getId();
41  }
42 
43  switch ($a_cmd)
44  {
45  case "view":
46 
47  if(!ilObjContentObjectAccess::_lookupOnline($a_obj_id)
48  && !$rbacsystem->checkAccessOfUser($a_user_id,'write',$a_ref_id))
49  {
50  $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
51  return false;
52  }
53  break;
54 
55  case "continue":
56  if(!$rbacsystem->checkAccessOfUser($a_user_id,'write',$a_ref_id))
57  {
58  if(!ilObjContentObjectAccess::_lookupOnline($a_obj_id))
59  {
60  $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
61  return false;
62  }
63  }
64 
65  // continue is now default and works all the time
66  // see ilLMPresentationGUI::resume()
67  /*
68  if ($ilUser->getId() == ANONYMOUS_USER_ID)
69  {
70  $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("lm_no_continue_for_anonym"));
71  return false;
72  }
73  if (ilObjContentObjectAccess::_getLastAccessedPage($a_ref_id,$a_user_id) <= 0)
74  {
75  $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("not_accessed_yet"));
76  return false;
77  }
78  */
79  break;
80 
81  // for permission query feature
82  case "info":
83  if(!ilObjContentObjectAccess::_lookupOnline($a_obj_id))
84  {
85  $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
86  }
87  else
88  {
89  $ilAccess->addInfoItem(IL_STATUS_MESSAGE, $lng->txt("online"));
90  }
91  break;
92 
93  }
94 
95  switch ($a_permission)
96  {
97  case "read":
98  case "visible":
99  if (!ilObjContentObjectAccess::_lookupOnline($a_obj_id) &&
100  (!$rbacsystem->checkAccessOfUser($a_user_id,'write', $a_ref_id)))
101  {
102  $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
103  return false;
104  }
105  break;
106  }
107 
108 
109  return true;
110  }
IL_NO_OBJECT_ACCESS
const IL_NO_OBJECT_ACCESS
Definition: class.ilAccessInfo.php:26
$ilUser
$ilUser
Definition: imgupload.php:18
$lng
global $lng
Definition: privfeed.php:17
ilObjContentObjectAccess\_lookupOnline
static _lookupOnline($a_id)
check wether learning module is online
Definition: class.ilObjContentObjectAccess.php:121
+ Here is the call graph for this function:

◆ _checkGoto()

static ilObjContentObjectAccess::_checkGoto (   $a_target)
static

check whether goto script will succeed

Definition at line 185 of file class.ilObjContentObjectAccess.php.

References $ref_id, ilObject\_getAllReferences(), ilLMObject\_lookupContObjID(), and array.

186  {
187  global $ilAccess;
188 
189  $t_arr = explode("_", $a_target);
190 
191  if (($t_arr[0] != "lm" && $t_arr[0] != "st"
192  && $t_arr[0] != "pg")
193  || ((int) $t_arr[1]) <= 0)
194  {
195  return false;
196  }
197 
198  if ($t_arr[0] == "lm")
199  {
200  if ($ilAccess->checkAccess("read", "", $t_arr[1]) ||
201  $ilAccess->checkAccess("visible", "", $t_arr[1]))
202  {
203  return true;
204  }
205  }
206  else
207  {
208  if ($t_arr[2] > 0)
209  {
210  $ref_ids = array($t_arr[2]);
211  }
212  else
213  {
214  // determine learning object
215  include_once("./Modules/LearningModule/classes/class.ilLMObject.php");
216  $lm_id = ilLMObject::_lookupContObjID($t_arr[1]);
217  $ref_ids = ilObject::_getAllReferences($lm_id);
218  }
219  // check read permissions
220  foreach ($ref_ids as $ref_id)
221  {
222  // Permission check
223  if ($ilAccess->checkAccess("read", "", $ref_id))
224  {
225  return true;
226  }
227  }
228 
229  }
230  return false;
231  }
ilLMObject\_lookupContObjID
static _lookupContObjID($a_id)
get learning module / digibook id for lm object
Definition: class.ilLMObject.php:746
ilObject\_getAllReferences
static _getAllReferences($a_id)
get all reference ids of object
Definition: class.ilObject.php:902
array
Create styles array
The data for the language used.
Definition: 40duplicateStyle.php:19
$ref_id
$ref_id
Definition: sahs_server.php:39
+ Here is the call graph for this function:

◆ _getLastAccessedPage()

static ilObjContentObjectAccess::_getLastAccessedPage (   $a_ref_id,
  $a_user_id = "" 
)
static

get last accessed page

Parameters
int$a_obj_idcontent object id
int$a_user_iduser object id

Definition at line 144 of file class.ilObjContentObjectAccess.php.

References $ilDB, $ilUser, and ilObject\_lookupObjId().

Referenced by ilLMPresentationGUI\resume().

145  {
146  global $ilDB, $ilUser;
147 
148  if ($a_user_id == "")
149  {
150  $a_user_id = $ilUser->getId();
151  }
152 
153  if (isset(self::$lo_access[$a_ref_id]))
154  {
155  $acc_rec["obj_id"] = self::$lo_access[$a_ref_id];
156  }
157  else
158  {
159  $q = "SELECT * FROM lo_access WHERE ".
160  "usr_id = ".$ilDB->quote($a_user_id, "integer")." AND ".
161  "lm_id = ".$ilDB->quote($a_ref_id, "integer");
162 
163  $acc_set = $ilDB->query($q);
164  $acc_rec = $ilDB->fetchAssoc($acc_set);
165  }
166 
167  if ($acc_rec["obj_id"] > 0)
168  {
169  $lm_id = ilObject::_lookupObjId($a_ref_id);
170  $mtree = new ilTree($lm_id);
171  $mtree->setTableNames('lm_tree','lm_data');
172  $mtree->setTreeTablePK("lm_id");
173  if ($mtree->isInTree($acc_rec["obj_id"]))
174  {
175  return $acc_rec["obj_id"];
176  }
177  }
178 
179  return 0;
180  }
ilObject\_lookupObjId
static _lookupObjId($a_id)
Definition: class.ilObject.php:1021
$ilUser
$ilUser
Definition: imgupload.php:18
ilTree
Tree class data representation in hierachical trees using the Nested Set Model with Gaps by Joe Celco...
Definition: class.ilTree.php:24
$ilDB
global $ilDB
Definition: storeScorm2004.php:16
+ Here is the call graph for this function:
+ Here is the caller graph for this function:

◆ _isOffline()

static ilObjContentObjectAccess::_isOffline (   $a_obj_id)
static

Type-specific implementation of general status.

Used in ListGUI and Learning Progress

Parameters
int$a_obj_id
Returns
bool

Definition at line 241 of file class.ilObjContentObjectAccess.php.

Referenced by ilObjLearningModuleListGUI\getProperties().

242  {
243  return !self::_lookupOnline($a_obj_id);
244  }
+ Here is the caller graph for this function:

◆ _lookupOnline()

static ilObjContentObjectAccess::_lookupOnline (   $a_id)
static

check wether learning module is online

Parameters
int$a_idlearning object id

Definition at line 121 of file class.ilObjContentObjectAccess.php.

References $ilDB, $lm_set, and ilUtil\yn2tf().

Referenced by _checkAccess().

122  {
123  global $ilDB;
124 
125  if (isset(self::$online[$a_id]))
126  {
127  return self::$online[$a_id];
128  }
129 
130  $q = "SELECT is_online FROM content_object WHERE id = ".$ilDB->quote($a_id, "integer");
131  $lm_set = $ilDB->query($q);
132  $lm_rec = $ilDB->fetchAssoc($lm_set);
133 
134  self::$online[$a_id] = ilUtil::yn2tf($lm_rec["is_online"]);
135  return ilUtil::yn2tf($lm_rec["is_online"]);
136  }
$lm_set
$lm_set
Definition: storeScorm2004.php:21
$ilDB
global $ilDB
Definition: storeScorm2004.php:16
ilUtil\yn2tf
static yn2tf($a_yn)
convert "y"/"n" to true/false
Definition: class.ilUtil.php:3228
+ Here is the call graph for this function:
+ Here is the caller graph for this function:

◆ _preloadData()

static ilObjContentObjectAccess::_preloadData (   $a_obj_ids,
  $a_ref_ids 
)
static

Preload data.

Parameters
array$a_obj_idsarray of object ids

Definition at line 251 of file class.ilObjContentObjectAccess.php.

References $ilDB, $ilUser, $lm_set, $r, and ilUtil\yn2tf().

252  {
253  global $ilDB, $ilUser;
254 
255  $q = "SELECT id, is_online FROM content_object WHERE ".
256  $ilDB->in("id", $a_obj_ids, false, "integer");
257 
258  $lm_set = $ilDB->query($q);
259  while ($rec = $ilDB->fetchAssoc($lm_set))
260  {
261  self::$online[$rec["id"]] = ilUtil::yn2tf($rec["is_online"]);
262  }
263 
264  $q = "SELECT obj_id, lm_id FROM lo_access WHERE ".
265  "usr_id = ".$ilDB->quote($ilUser->getId(), "integer")." AND ".
266  $ilDB->in("lm_id", $a_ref_ids, false, "integer");;
267  $set = $ilDB->query($q);
268  foreach ($a_ref_ids as $r)
269  {
270  self::$lo_access[$r] = 0;
271  }
272  while ($rec = $ilDB->fetchAssoc($set))
273  {
274  self::$lo_access[$rec["lm_id"]] = $rec["obj_id"];
275  }
276 
277  }
$r
$r
Definition: example_031.php:79
$ilUser
$ilUser
Definition: imgupload.php:18
$lm_set
$lm_set
Definition: storeScorm2004.php:21
$ilDB
global $ilDB
Definition: storeScorm2004.php:16
ilUtil\yn2tf
static yn2tf($a_yn)
convert "y"/"n" to true/false
Definition: class.ilUtil.php:3228
+ Here is the call graph for this function:

Field Documentation

◆ $lo_access

ilObjContentObjectAccess::$lo_access
static

Definition at line 20 of file class.ilObjContentObjectAccess.php.

◆ $online

ilObjContentObjectAccess::$online
static

Definition at line 19 of file class.ilObjContentObjectAccess.php.

The documentation for this class was generated from the following file: