ilCourseFile Class Reference

Inheritance diagram for ilCourseFile:

Collaboration diagram for ilCourseFile:

Public Member Functions
	__construct ($a_file_id=null)
	Constructor. More...
	setFileId ($a_id)
	getFileId ()
	getCourseId ()
	setCourseId ($a_course_id)
	setFileName ($a_name)
	getFileName ()
	setFileType ($a_type)
	getFileType ()
	setFileSize ($a_size)
	getFileSize ()
	setTemporaryName ($a_name)
	getTemporaryName ()
	setErrorCode ($a_code)
	getErrorCode ()
	getAbsolutePath ()
	getInfoDirectory ()
	validate ()
	create ($a_upload=true)
	delete ()
	__read ()

Static Public Member Functions
static	_cloneFiles ($a_source_id, $a_target_id)
	Clone course files. More...
static	_deleteByCourse ($a_course_id)
static	_readFilesByCourse ($a_course_id)

Data Fields
	$ilErr
	$ilDB
	$tree
	$lng
	$course_id = null
	$file_id = null

Private Attributes
	$fss_storage = null

Detailed Description

Author

Stefan Meyer meyer.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Version

$Id$

Definition at line 35 of file class.ilCourseFile.php.

Constructor & Destructor Documentation

__construct()

ilCourseFile::__construct

(

$a_file_id = null

)

Constructor.

Parameters

int

$a_file_id

Definition at line 54 of file class.ilCourseFile.php.

References $ilDB, $ilErr, $lng, and __read().

    {
        global $ilErr,$ilDB,$lng;

        $this->ilErr = $ilErr;
        $this->db  = $ilDB;
        $this->lng = $lng;

        $this->file_id = $a_file_id;
        $this->__read();
    }

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Member Function Documentation

__read()

ilCourseFile::__read

(

)

Definition at line 291 of file class.ilCourseFile.php.

References $ilDB, $query, $res, $row, getCourseId(), setCourseId(), setFileName(), setFileSize(), and setFileType().

Referenced by __construct().

    {
        global $ilDB;
        
        if (!$this->file_id) {
            return true;
        }

        // read file data
        $query = "SELECT * FROM crs_file WHERE file_id = " . $ilDB->quote($this->file_id, 'integer');
        $res = $this->db->query($query);
        while ($row = $ilDB->fetchObject($res)) {
            $this->setFileName($row->file_name);
            $this->setFileSize($row->file_size);
            $this->setFileType($row->file_type);
            $this->setCourseId($row->course_id);
        }
        $this->fss_storage = new ilFSStorageCourse($this->getCourseId());
        return true;
    }

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_cloneFiles()

static ilCourseFile::_cloneFiles (   $a_source_id,   $a_target_id  )

static

Clone course files.

public

Parameters

int	source id
int	target_id

Definition at line 75 of file class.ilCourseFile.php.

References $source, $target, and _readFilesByCourse().

Referenced by ilObjCourse\cloneObject().

    {
        $source = new ilFSStorageCourse($a_source_id);

        foreach (ilCourseFile::_readFilesByCourse($a_source_id) as $file_obj) {
            $new_file = new ilCourseFile();
            $new_file->setCourseId($a_target_id);
            $new_file->setFileName($file_obj->getFileName());
            $new_file->setFileSize($file_obj->getFileSize());
            $new_file->setFileType($file_obj->getFileType());
            $new_file->create(false);

            $target = new ilFSStorageCourse($a_target_id);
            $target->initInfoDirectory();
            $source->copyFile($file_obj->getAbsolutePath(), $new_file->getAbsolutePath());
        }
    }

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_deleteByCourse()

static ilCourseFile::_deleteByCourse (   $a_course_id )

static

Definition at line 260 of file class.ilCourseFile.php.

References $ilDB, $query, and $res.

Referenced by ilObjCourse\delete().

    {
        global $ilDB;

        // delete all course ids and delete assigned files
        $query = "DELETE FROM crs_file " .
            "WHERE course_id = " . $ilDB->quote($a_course_id, 'integer') . "";
        $res = $ilDB->manipulate($query);

        return true;
    }

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_readFilesByCourse()

static ilCourseFile::_readFilesByCourse (   $a_course_id )

static

Parameters

int

$a_course_id

obj_id of course

Returns

ilCourseFile[]

Definition at line 277 of file class.ilCourseFile.php.

References $files, $ilDB, $query, $res, $row, and array.

Referenced by _cloneFiles(), ilAppointmentPresentationCourseGUI\collectPropertiesAndActions(), ilObjCourseGUI\editInfoObject(), ilAppointmentCourseFileHandler\getFiles(), and ilObjCourseGUI\infoScreen().

    {
        global $ilDB;

        $query = "SELECT * FROM crs_file " .
            "WHERE course_id = " . $ilDB->quote($a_course_id, 'integer') . "";

        $res = $ilDB->query($query);
        while ($row = $ilDB->fetchObject($res)) {
            $files[] = new ilCourseFile($row->file_id);
        }
        return is_array($files) ? $files : array();
    }

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create()

ilCourseFile::create

(

$a_upload = true

)

Definition at line 209 of file class.ilCourseFile.php.

References $ilDB, $query, $res, getCourseId(), getErrorCode(), getFileId(), getFileName(), getFileSize(), getFileType(), getTemporaryName(), and setFileId().

    {
        global $ilDB;
        
        if ($this->getErrorCode() != 0) {
            return false;
        }

        $next_id = $ilDB->nextId('crs_file');
        $query = "INSERT INTO crs_file (file_id,course_id,file_name,file_size,file_type) " .
            "VALUES( " .
            $ilDB->quote($next_id, 'integer') . ", " .
            $ilDB->quote($this->getCourseId(), 'integer') . ", " .
            $ilDB->quote($this->getFileName(), 'text') . ", " .
            $ilDB->quote($this->getFileSize(), 'integer') . ", " .
            $ilDB->quote($this->getFileType(), 'text') . " " .
            ")";
        $res = $ilDB->manipulate($query);
        $this->setFileId($next_id);

        $this->fss_storage = new ilFSStorageCourse($this->getCourseId());
        $this->fss_storage->initInfoDirectory();

        if ($a_upload) {
            // now create file
            ilUtil::moveUploadedFile(
                $this->getTemporaryName(),
                $this->getFileName(),
                $this->fss_storage->getInfoDirectory() . '/' . $this->getFileId()
            );
        }
        return true;
    }

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delete()

ilCourseFile::delete

(

)

Definition at line 243 of file class.ilCourseFile.php.

References $ilDB, $query, $res, getAbsolutePath(), and getFileId().

    {
        global $ilDB;
        
        // Delete db entry
        $query = "DELETE FROM crs_file " .
            "WHERE file_id = " . $ilDB->quote($this->getFileId(), 'integer') . "";
        $res = $ilDB->manipulate($query);

        // Delete file
        if (file_exists($this->getAbsolutePath())) {
            unlink($this->getAbsolutePath());
        }

        return true;
    }

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getAbsolutePath()

ilCourseFile::getAbsolutePath

(

)

Returns

bool|string

Definition at line 155 of file class.ilCourseFile.php.

References $file, and getFileId().

Referenced by delete().

    {
        // workaround for "secured" files.
        if (!$this->fss_storage instanceof \ilFSStorageCourse) {
            return false;
        }

        $file = $this->fss_storage->getInfoDirectory() . '/' . $this->getFileId();
        if (!file_exists($file)) {
            $file = $this->fss_storage->getInfoDirectory() . '/' . $this->getFileId() . '.sec';
        }
        if (file_exists($file)) {
            return $file;
        }
        return false;
    }

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getCourseId()

ilCourseFile::getCourseId

(

)

Definition at line 102 of file class.ilCourseFile.php.

References $course_id.

Referenced by __read(), and create().

    {
        return $this->course_id;
    }

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getErrorCode()

ilCourseFile::getErrorCode

(

)

Definition at line 147 of file class.ilCourseFile.php.

Referenced by create(), and validate().

    {
        return $this->error_code;
    }

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getFileId()

ilCourseFile::getFileId

(

)

Definition at line 97 of file class.ilCourseFile.php.

References $file_id.

Referenced by create(), delete(), and getAbsolutePath().

    {
        return $this->file_id;
    }

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getFileName()

ilCourseFile::getFileName

(

)

Definition at line 115 of file class.ilCourseFile.php.

Referenced by create().

    {
        return $this->file_name;
    }

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getFileSize()

ilCourseFile::getFileSize

(

)

Definition at line 131 of file class.ilCourseFile.php.

Referenced by create().

    {
        return $this->file_size;
    }

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getFileType()

ilCourseFile::getFileType

(

)

Definition at line 123 of file class.ilCourseFile.php.

Referenced by create().

    {
        return $this->file_type;
    }

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getInfoDirectory()

ilCourseFile::getInfoDirectory

(

)

Definition at line 172 of file class.ilCourseFile.php.

    {
        if (is_object($this->fss_storage)) {
            return $this->fss_storage->getInfoDirectory();
        }
    }

getTemporaryName()

ilCourseFile::getTemporaryName

(

)

Definition at line 139 of file class.ilCourseFile.php.

Referenced by create().

    {
        return $this->tmp_name;
    }

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setCourseId()

ilCourseFile::setCourseId

(

$a_course_id

)

Definition at line 106 of file class.ilCourseFile.php.

Referenced by __read().

    {
        $this->course_id = $a_course_id;
    }

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setErrorCode()

ilCourseFile::setErrorCode

(

$a_code

)

Definition at line 143 of file class.ilCourseFile.php.

    {
        $this->error_code = $a_code;
    }

setFileId()

ilCourseFile::setFileId

(

$a_id

)

Definition at line 93 of file class.ilCourseFile.php.

Referenced by create().

    {
        $this->file_id = $a_id;
    }

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setFileName()

ilCourseFile::setFileName

(

$a_name

)

Definition at line 111 of file class.ilCourseFile.php.

Referenced by __read().

    {
        $this->file_name = $a_name;
    }

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setFileSize()

ilCourseFile::setFileSize

(

$a_size

)

Definition at line 127 of file class.ilCourseFile.php.

Referenced by __read().

    {
        $this->file_size = $a_size;
    }

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setFileType()

ilCourseFile::setFileType

(

$a_type

)

Definition at line 119 of file class.ilCourseFile.php.

References $a_type.

Referenced by __read().

    {
        $this->file_type = $a_type;
    }

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setTemporaryName()

ilCourseFile::setTemporaryName

(

$a_name

)

Definition at line 135 of file class.ilCourseFile.php.

    {
        $this->tmp_name = $a_name;
    }

validate()

ilCourseFile::validate

(

)

Definition at line 179 of file class.ilCourseFile.php.

References getErrorCode().

    {
        switch ($this->getErrorCode()) {
            case UPLOAD_ERR_INI_SIZE:
                $this->ilErr->appendMessage($this->lng->txt('file_upload_ini_size'));
                break;
            case UPLOAD_ERR_FORM_SIZE:
                $this->ilErr->appendMessage($this->lng->txt('file_upload_form_size'));
                break;

            case UPLOAD_ERR_PARTIAL:
                $this->ilErr->appendMessage($this->lng->txt('file_upload_only_partial'));
                break;

            case UPLOAD_ERR_NO_TMP_DIR:
                $this->ilErr->appendMessage($this->lng->txt('file_upload_no_tmp_dir'));
                break;

                // not possible with php 4
            #case UPLOAD_ERR_CANT_WRITE:
            #   $this->ilErr->appendMessage($this->lng->txt('file_upload_no_write'));
            #   break;

            case UPLOAD_ERR_OK:
            case UPLOAD_ERR_NO_FILE:
            default:
                return true;
        }
    }

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Field Documentation

$course_id

ilCourseFile::$course_id = null

Definition at line 42 of file class.ilCourseFile.php.

Referenced by getCourseId().

$file_id

ilCourseFile::$file_id = null

Definition at line 43 of file class.ilCourseFile.php.

Referenced by getFileId().

$fss_storage

ilCourseFile::$fss_storage = null

private

Definition at line 48 of file class.ilCourseFile.php.

$ilDB

ilCourseFile::$ilDB

Definition at line 38 of file class.ilCourseFile.php.

Referenced by __construct(), __read(), _deleteByCourse(), _readFilesByCourse(), create(), and delete().

$ilErr

ilCourseFile::$ilErr

Definition at line 37 of file class.ilCourseFile.php.

Referenced by __construct().

$lng

ilCourseFile::$lng

Definition at line 40 of file class.ilCourseFile.php.

Referenced by __construct().

$tree

ilCourseFile::$tree

Definition at line 39 of file class.ilCourseFile.php.

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

• Modules/Course/classes/class.ilCourseFile.php