public function processRequest(User $user = NULL)
{
// attempt to parse and load the next image id
$nextImageId = RequestParser::parseRequestParam($_REQUEST, self::GET_PARAM_NEXT_IMAGE_ID, RequestParser::PARAM_FILTER_TYPE_INT);
// if no image was specified, redirect to the start journey view
$startJourneyUrl = UrlFormatter::formatRoutingItemUrl('views/StartJourneyView');
if (!$nextImageId) {
header("Location: {$startJourneyUrl}");
exit;
}
$dbConnection = DbConnectionUtil::getDbConnection();
$nextImageData = ImageData::loadImageDataById($dbConnection, $nextImageId);
if (!$nextImageData) {
header("Location: {$startJourneyUrl}");
exit;
}
parent::displayHeader($user, 'Journey');
// attempt to parse the chosen attribute, if specified add to its tally
if (isset($_GET[self::GET_PARAM_CHOSEN_ATTRIBUTE])) {
$chosenAttribute = $_GET[self::GET_PARAM_CHOSEN_ATTRIBUTE];
// verify the specified chosen attribute is actually an attribute of the chosen image
if ($nextImageData->hasAttribute($chosenAttribute)) {
if (!isset($_SESSION['JOURNEY_ATTRIBUTE_MAP'][$chosenAttribute])) {
$_SESSION['JOURNEY_ATTRIBUTE_MAP'][$chosenAttribute] = 1;
} else {
$_SESSION['JOURNEY_ATTRIBUTE_MAP'][$chosenAttribute]++;
}
}
}
// store the current image id, in the journey session array, check for membership incase of a page re-load
if (!in_array($nextImageId, $_SESSION['JOURNEY_IMAGE_LIST'])) {
$_SESSION['JOURNEY_IMAGE_LIST'][] = $nextImageId;
}
$commonAttributeImageDataTupleList = NULL;
$commonAttributeImageIdList = NULL;
$randomImageDataList = NULL;
// find NUM_SIMILAR_CHOICES common images if possible
$commonAttributeImageIdTupleList = ImageAttribute::loadCommonAttributeImageIdTupleList($dbConnection, $nextImageId, $_SESSION['JOURNEY_IMAGE_LIST']);
//print( "<br/>common id list: " ); print_r( $commonAttributeImageIdTupleList ); print("<br/>" );
shuffle($commonAttributeImageIdTupleList);
$commonAttributeImageIdList = array();
$commonAttributeImageDataTupleList = array();
while (count($commonAttributeImageDataTupleList) < self::NUM_SIMILAR_CHOICES && count($commonAttributeImageIdTupleList) > 0) {
$currentEntry = array();
$commonAttributeImageIdTuple = array_shift($commonAttributeImageIdTupleList);
if (!in_array($commonAttributeImageIdTuple['imageId'], $commonAttributeImageDataTupleList) && !in_array($commonAttributeImageIdTuple['imageId'], $_SESSION['JOURNEY_IMAGE_LIST'])) {
$imageData = ImageData::loadImageDataById($dbConnection, $commonAttributeImageIdTuple['imageId']);
//print( "<br/>Image Data: " ); print_r( $imageData ); print( '<br/>' );
$commonAttributeImageIdList[] = $commonAttributeImageIdTuple['imageId'];
$currentEntry['imageData'] = $imageData;
$currentEntry['attribute'] = $commonAttributeImageIdTuple['attribute'];
$commonAttributeImageDataTupleList[] = $currentEntry;
}
}
//print( "<br/>common map: " ); print_r( $commonAttributeImageDataTupleList ); print("<br/>" );
// add a random image to the choices list, and fill in the gaps if NUM_SIMILAR_CHOICES could not be found, if possible
/*
print( "<br/>commonAttributeImageDataTupleList: " ); print_r( $commonAttributeImageDataTupleList ); print( "<br/>" );
print( "allImageIdList: " ); print_r( $allImageIdList ); print( "<br/>" );
print( "att_map: " ); print_r( $_SESSION['JOURNEY_IMAGE_LIST'] ); print( "<br/>" );
*/
$allImageIdList = ImageData::loadAllImageIdList($dbConnection);
shuffle($allImageIdList);
$randomImageIdList = array();
while (count($randomImageIdList) + count($commonAttributeImageIdList) < self::NUM_SIMILAR_CHOICES + 1 && count($allImageIdList) > 0) {
$imageId = array_shift($allImageIdList);
if ($imageId != $nextImageId && !in_array($imageId, $randomImageIdList) && !in_array($imageId, $commonAttributeImageIdList) && !in_array($imageId, $_SESSION['JOURNEY_IMAGE_LIST'])) {
$randomImageIdList[] = $imageId;
}
}
if (!empty($randomImageIdList)) {
$randomImageDataList = ImageData::loadImageDataListByIdSet($dbConnection, $randomImageIdList);
} else {
$randomImageDataList = array();
}
// If the journey session array size has reached the number of journey steps, then set the is last
// step flag to true, otherwise it should be false
$IS_LAST_STEP = FALSE;
if (count($_SESSION['JOURNEY_IMAGE_LIST']) == self::NUM_JOURNEY_STEPS) {
$IS_LAST_STEP = TRUE;
}
// display the current image
?>
<div class="currentJourneyImageSection">
<img src="<?php
echo UrlFormatter::formatImageUrl($nextImageData->getContentUri());
?>
"/>
</div>
<?php
// if this is not the last step, display further choices
if (!$IS_LAST_STEP) {
?>
<p class="imageGridHeader">Choose Your Journey's Next Step</p>
<div class="centerWrapper">
<div class="imageGrid">
<?php
// list common choices
foreach ($commonAttributeImageDataTupleList as $commonAttributeImageDataTuple) {
$commonImageId = $commonAttributeImageDataTuple['imageData']->getId();
$commonImageThumbUrl = UrlFormatter::formatImageUrl($commonAttributeImageDataTuple['imageData']->getThumbnailUri());
$commonAttribute = $commonAttributeImageDataTuple['attribute'];
$choiceUrl = UrlFormatter::formatRoutingItemUrl('views/JourneyStepView', array(self::GET_PARAM_NEXT_IMAGE_ID => $commonImageId, self::GET_PARAM_CHOSEN_ATTRIBUTE => $commonAttribute));
?>
<a href="<?php
echo $choiceUrl;
?>
"><img src="<?php
echo $commonImageThumbUrl;
?>
"/></a>
<?php
}
// list random choices
foreach ($randomImageDataList as $randomImageData) {
$randomImageId = $randomImageData->getId();
$thumbnailUrl = UrlFormatter::formatImageUrl($randomImageData->getThumbnailUri());
$choiceUrl = UrlFormatter::formatRoutingItemUrl('views/JourneyStepView', array(self::GET_PARAM_NEXT_IMAGE_ID => $randomImageId));
?>
<a href="<?php
echo $choiceUrl;
?>
"><img src="<?php
echo $thumbnailUrl;
?>
"/></a>
<?php
}
?>
</div>
</div>
<?php
} else {
$finishJourneyUrl = UrlFormatter::formatRoutingItemUrl('views/FinishJourneyView');
?>
<div class="finishJourneyButtonSection">
<a class="button" href="<?php
echo $finishJourneyUrl;
?>
">Finish Journey</a>
</div>
<?php
}
parent::displayFooter();
}
/**
* This abstract function performs the processing of the user request.
* @param User $user The requesting user. If the user is not null, then by convention
* actions will assume the user is authenticated, otherwise not.
* @throws Exception If an error was encountered while processing this request, an exception
* will be thrown.
* @return void
*/
public function processRequest(User $user = NULL)
{
// if image id was specified, parse it, attempt to load an image data object using the id
$imageId = RequestParser::parseRequestParam($_REQUEST, EditImageAction::GET_PARAM_IMAGE_ID, RequestParser::PARAM_FILTER_TYPE_INT);
$imageData = NULL;
if ($imageId != NULL) {
$imageData = ImageData::loadImageDataById(DbConnectionUtil::getDbConnection(), $imageId);
}
// otherwise create a new image data object
if ($imageData == NULL) {
$imageData = new ImageData();
$imageData->setSubmitterUserId($user->getId());
}
// set the fields in the image data object
$author = NULL;
if (isset($_POST['author'])) {
$author = $_POST['author'];
}
if ($author != NULL) {
$imageData->setAuthor($author);
}
$title = NULL;
if (isset($_POST['title'])) {
$title = $_POST['title'];
}
if ($title != NULL) {
$imageData->setTitle($title);
}
$year = NULL;
if (isset($_POST['year'])) {
$year = $_POST['year'];
}
if ($year != NULL) {
$imageData->setYear($year);
}
// update attributes list
$attributeString = $_POST[EditImageAction::POST_PARAM_ATTRIBUTE_LIST];
if (!empty($attributeString)) {
$attributeStringList = explode(",", $attributeString);
} else {
$attributeStringList = array();
}
// add new attributes
foreach ($attributeStringList as $attString) {
if ($attString != "") {
if (!$imageData->hasAttribute($attString)) {
$imageData->addAttributeByString($attString);
}
}
}
$dbConnection = DbConnectionUtil::getDbConnection();
// remove deleted ones
$attributeList = $imageData->getAttributeList();
foreach ($attributeList as $attribute) {
if (!in_array($attribute->getAttribute(), $attributeStringList)) {
$imageData->removeAttributeBystring($attribute->getAttribute());
$attribute->delete($dbConnection);
}
}
// save the image data object
$imageData->save($dbConnection);
// if image data was uploaded, process the image uploads and save again
if (!empty($_FILES[EditImageAction::POST_PARAM_THUMBNAIL]['name'])) {
$thumbnailUri = $this->processImageUpload('image_data_thumbs', $imageData->getId(), EditImageAction::POST_PARAM_THUMBNAIL);
$imageData->setThumbnailUri($thumbnailUri);
$imageData->save($dbConnection);
}
if (!empty($_FILES[EditImageAction::POST_PARAM_FILE]['name'])) {
$fileUri = $this->processImageUpload('image_data', $imageData->getId(), EditImageAction::POST_PARAM_FILE);
$imageData->setContentUri($fileUri);
$imageData->save($dbConnection);
}
// redirect the user to the image viewing page
$getParamMap = array(ImageDetailsView::GET_PARAM_IMAGE_ID => $imageData->getId());
$imageDetailsViewUrl = UrlFormatter::formatRoutingItemUrl('views/ImageDetailsView', $getParamMap);
header("Location: {$imageDetailsViewUrl}");
}
/**
* This function performs the processing of the user request.
* @param User $user The requesting user. If the user is not null, then by convention
* actions will assume the user is authenticated, otherwise not.
* @throws Exception If an error was encountered while processing this request, an exception
* will be thrown.
* @return void
*/
public function processRequest(User $user = NULL)
{
// if an image id was specified, assuming editting an existing image, otherwise assume it's a new image
$imageId = NULL;
if (isset($_GET[EditImageView::GET_PARAM_IMAGE_ID])) {
$imageId = $_GET[EditImageView::GET_PARAM_IMAGE_ID];
}
$pageHeader = $imageId == NULL ? 'Add New Image' : 'Edit Image';
parent::displayHeader($user, $pageHeader);
$editImageActionUrl = NULL;
$getParamMap = NULL;
$imageData = NULL;
if ($imageId != NULL) {
$getParamMap = array();
$getParamMap[EditImageAction::GET_PARAM_IMAGE_ID] = $imageId;
$imageData = ImageData::loadImageDataById(DbConnectionUtil::getDbConnection(), $imageId);
}
$author = '';
$title = '';
$year = '';
$attributeList = NULL;
$attributeListString = "";
$thumbnailUri = NULL;
$contentUri = NULL;
if ($imageData != NULL) {
$contentUri = $imageData->getContentUri();
$thumbnailUri = $imageData->getThumbnailUri();
$title = $imageData->getTitle();
$year = $imageData->getYear();
$author = $imageData->getAuthor();
$attributeList = $imageData->getAttributeList();
foreach ($attributeList as $attribute) {
$attributeListString .= "," . $attribute->getAttribute();
}
}
$editImageActionUrl = UrlFormatter::formatRoutingItemUrl('actions/EditImageAction', $getParamMap);
$submitLabel = $imageId == NULL ? 'Create' : 'Save';
?>
<script type="text/javascript" >
function replaceThumbnail( ) {
$("#thumbnail_div").html( "<input type=\"file\" id=\"thumbnail_field\" name=\"<?php
echo EditImageAction::POST_PARAM_THUMBNAIL;
?>
\">" );
}
function replaceFile( ) {
$("#file_div").html( "<input type=\"file\" id=\"file_field\" name=\"<?php
echo EditImageAction::POST_PARAM_FILE;
?>
\">" );
}
function cancel( ) {
var previousPageUrl = "<?php
echo $_SERVER['HTTP_REFERER'];
?>
";
window.location.href = previousPageUrl;
}
function removeAttributeAtIndex( index ) {
var rowList = $("#attribute_list_table tr");
for( i = 0; i < rowList.length; i++ ) {
if ( i == index ) {
var removedAttString = $( rowList[i] ).children( ).first( ).text( );
var attList = $( "#attribute_list").val( ).split( "," );
attList.splice( attList.indexOf( removedAttString ), 1 );
$( "#attribute_list").val( attList.join( ) );
$( rowList[i] ).remove( );
}
}
}
function addAttribute( ) {
var attributeValue = prompt( "Specify New Attribute" );
var attList = $( "#attribute_list").val( ).split( "," );
if ( attributeValue != null && attributeValue != "" && attList.indexOf( attributeValue ) == -1 ) {
var newIndex = $( "#attribute_list_table tr" ).length;
$( "#attribute_list_table" ).append( "<tr><td>" + attributeValue + "</td><td><a onclick=\"removeAttributeAtIndex( " + newIndex + " );\">Remove</a></td></tr>" );
attList.push( attributeValue );
$( "#attribute_list").val( attList.join( ) );
}
}
function validate( ) {
var result = true;
$("#errorSection").html("" );
<?php
if ($imageData == NULL) {
?>
var thumbnailVal = $("#thumbnail_field").val( );
if ( thumbnailVal == null || thumbnailVal == "" ) {
$("#errorSection").append( "<span class=\"errorMessage\">Thumbnail Required</span><br/>" );
$("#errorSection").css( "display", "inline-block");
$("#thumbnail_field_label").css( "color", " #EE3124" );
result = false;
}
var fileVal = $("#file_field").val( );
if ( fileVal == null || fileVal == "" ) {
$("#errorSection").append( "<span class=\"errorMessage\">File Required</span><br/>" );
$("#errorSection").css( "display", "inline-block");
$("#file_field_label").css( "color", " #EE3124" );
result = false;
}
<?php
}
?>
var authorVal = $("#author_field").val( );
if ( authorVal == null || authorVal == "" ) {
$("#errorSection").append( "<span class=\"errorMessage\">Author Required</span><br/>" );
$("#errorSection").css( "display", "inline-block");
$("#author_field_label").css( "color", " #EE3124" );
result = false;
}
var titleVal = $("#title_field").val( );
if ( titleVal == null || titleVal == "" ) {
$("#errorSection").append( "<span class=\"errorMessage\">Title Required</span><br/>" );
$("#errorSection").css( "display", "inline-block");
$("#title_field_label").css( "color", " #EE3124" );
result = false;
}
var yearVal = $("#year_field").val( );
if ( yearVal == null || yearVal == "" ) {
$("#errorSection").append( "<span class=\"errorMessage\">Year Required</span><br/>" );
$("#errorSection").css( "display", "inline-block");
$("#year_field_label").css( "color", " #EE3124" );
result = false;
}
return result;
}
</script>
<form class="imageForm" method="POST" action="<?php
echo $editImageActionUrl;
?>
" enctype="multipart/form-data" onsubmit="return validate( )">
<div class="errorSection" id="errorSection"></div>
<br/>
<label id="author_field_label" for="author_field">Author</label>
<br/>
<input id="author_field" type="text" name="<?php
echo EditImageAction::POST_PARAM_AUTHOR;
?>
" value="<?php
echo $author;
?>
"/>
<?php
parent::formatImageDataAutoComplete(DbConnectionUtil::getDbConnection(), 'author', 'author_field');
?>
<br/>
<label id="title_field_label" for="title_field">Title</label>
<br/>
<input id="title_field" type="text" name="<?php
echo EditImageAction::POST_PARAM_TITLE;
?>
" value="<?php
echo $title;
?>
"/>
<br/>
<label id="year_field_label" for="year_field">Year</label>
<br/>
<input id="year_field" name="<?php
echo EditImageAction::POST_PARAM_YEAR;
?>
" value="<?php
echo $year;
?>
"/>
<br/><br/>
<input id="attribute_list" type="hidden" name="<?php
echo EditImageAction::POST_PARAM_ATTRIBUTE_LIST;
?>
" value="<?php
echo $attributeListString;
?>
"/>
<label for="attribute_table">Attributes</label>
<table class="attribute_table" id="attribute_list_table">
<?php
if ($attributeList != NULL) {
for ($i = 0; $i < count($attributeList); $i++) {
?>
<tr>
<td><?php
echo $attributeList[$i]->getAttribute();
?>
</td>
<td><a onclick="removeAttributeAtIndex(<?php
echo $i;
?>
);">Remove</a>
</tr>
<?php
}
}
?>
</table>
<br/>
<a class="button" onclick="addAttribute( );">Add Attribute</a>
<br/><br/>
<label id="thumbnail_field_label" for="thumbnail_field">Thumbnail</label>
<br/>
<div id="thumbnail_div">
<?php
if ($thumbnailUri == NULL) {
?>
<input type="file" id="thumbnail_field" name="<?php
echo EditImageAction::POST_PARAM_THUMBNAIL;
?>
"/>
<?php
} else {
?>
<img src="<?php
echo UrlFormatter::formatImageUrl($thumbnailUri);
?>
"/>
<br/>
<input type="button" onclick="replaceThumbnail( )" value="Replace"/>
<?php
}
?>
</div>
<label id="file_field_label" for="file_field">File</label>
<br/>
<div id="file_div">
<?php
if ($contentUri == NULL) {
?>
<input type="file" id="file_field" name="<?php
echo EditImageAction::POST_PARAM_FILE;
?>
"/>
<?php
} else {
?>
<img style="max-width: 100%" src="<?php
echo UrlFormatter::formatImageUrl($contentUri);
?>
"/>
<br/>
<input type="button" onclick="replaceFile( )" value="Replace"/>
<br/>
<?php
}
?>
</div>
<input class="button" type="submit" value="<?php
echo $submitLabel;
?>
"/>
<input class="button" type="button" onclick="cancel( )" value="Cancel"/>
</form>
<?php
parent::displayFooter();
}
/**
* This function performs the processing of the user request.
* @param User $user The requesting user. If the user is not null, then by convention
* actions will assume the user is authenticated, otherwise not.
* @throws Exception If an error was encountered while processing this request, an exception
* will be thrown.
* @return void
*/
public function processRequest(User $user = NULL)
{
parent::displayHeader($user, 'Image Details');
if (isset($_REQUEST[ImageDetailsView::GET_PARAM_RETURN_URL])) {
?>
<a href="<?php
echo $_REQUEST[ImageDetailsView::GET_PARAM_RETURN_URL];
?>
">Return</a>
<br/>
<?php
}
if (isset($_REQUEST[ImageDetailsView::GET_PARAM_IMAGE_ID])) {
$imageId = $_REQUEST[ImageDetailsView::GET_PARAM_IMAGE_ID];
$imageData = ImageData::loadImageDataById(DbConnectionUtil::getDbConnection(), $imageId);
if ($imageData == NULL) {
print "Failed to load image data ";
} else {
$editImageUrl = UrlFormatter::formatRoutingItemUrl('views/EditImageView', array(EditImageView::GET_PARAM_IMAGE_ID => $imageData->getId()));
$thumbnailUri = $imageData->getThumbnailUri();
$contentUri = $imageData->getContentUri();
?>
<div class="imageDetailsView">
<label for="title_field">Title</label>
<br/>
<span id="title_field" class="imageDetailsViewField"><?php
echo $imageData->getTitle();
?>
</span>
<br/>
<label for="author_field">Author</label>
<br/>
<span id="author_field" class="imageDetailsViewField"><?php
echo $imageData->getAuthor();
?>
</span>
<br/>
<label for="year_field">Year</label>
<br/>
<span id="year_field" class="imageDetailsViewField"><?php
echo $imageData->getYear();
?>
</span>
<br/>
<label for="attributes_field">Attributes</label>
<br/>
<table class="attribute_table" id="attributes_field">
<?php
foreach ($imageData->getAttributeList() as $attribute) {
?>
<tr><td><?php
echo $attribute->getAttribute();
?>
</td></tr>
<?php
}
?>
</table>
<br/>
<br/>
<label for="content_uri_field">Image</label>
<br/>
<span id="content_uri_field" class="imageDetailsViewField">
<image style="max-width: 100%" id="content_uri_field" src="<?php
echo UrlFormatter::formatImageUrl($contentUri);
?>
"/>
</span>
<br/><br/>
<label for="thumbnail_field">Thumbnail</label>
<br/>
<img id="thumbnail_field" src="<?php
echo UrlFormatter::formatImageUrl($thumbnailUri);
?>
"/>
<br/><br/>
<?php
if ($user != NULL) {
?>
<a class="button" href="<?php
echo $editImageUrl;
?>
">Edit</a>
<?php
}
?>
</div>
<?php
}
} else {
print "No image specified";
}
parent::displayFooter();
}
