133 lines
4.9 KiB
PHP
133 lines
4.9 KiB
PHP
<?php
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//todo: removal by tag returns 1 less image in test for some reason, actually a combined search doesn't seem to work for shit either
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class BulkRemove extends Extension
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{
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public function onPageRequest(PageRequestEvent $event)
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{
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global $user;
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if ($event->page_matches("bulk_remove") && $user->can(Permissions::BULK_ADD) && $user->check_auth_token()) {
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if ($event->get_arg(0) == "confirm") {
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$this->do_bulk_remove();
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} else {
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$this->show_confirm();
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}
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}
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}
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public function onAdminBuilding(AdminBuildingEvent $event)
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{
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global $page;
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$html = "<b>Be extremely careful when using this!</b><br>
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Once an image is removed there is no way to recover it so it is recommended that
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you first take when removing a large amount of images.<br>
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<b>Note:</b> Entering both an ID range and tags will only remove images between the given ID's that have the given tags.
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<p>".make_form(make_link("bulk_remove"))."
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<table class='form'>
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<tr><td colspan='2'><b>Remove images by ID</b></td></tr>
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<tr><th>From</th><td> <input type='text' name='remove_id_min' size='2'></td></tr>
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<tr><th>Until</th><td> <input type='text' name='remove_id_max' size='2'></td></tr>
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<tr><td colspan='2'><b>Where tags are</b></td></tr>
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<tr><td colspan='2'>
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<input type='text' name='remove_tags' size='10'>
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</td> </tr>
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<tr><td colspan='2'><input type='submit' value='Remove'></td></tr>
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</table>
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</form>
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";
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$page->add_block(new Block("Bulk Remove", $html));
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}
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// returns a list of images to be removed
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private function determine_images()
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{
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// set vars
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$images_for_removal = [];
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$error = "";
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$min_id = $_POST['remove_id_min'];
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$max_id = $_POST['remove_id_max'];
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$tags = $_POST['remove_tags'];
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// if using id range to remove (comined removal with tags)
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if ($min_id != "" && $max_id != "") {
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// error if values are not correctly entered
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if (!is_numeric($min_id) || !is_numeric($max_id) ||
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intval($max_id) < intval($min_id)) {
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$error = "Values not correctly entered for removal between id.";
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} else { // if min & max id are valid
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// Grab the list of images & place it in the removing array
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foreach (Image::find_images(intval($min_id), intval($max_id)) as $image) {
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array_push($images_for_removal, $image);
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}
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}
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}
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// refine previous results or create results from tags
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if ($tags != "") {
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$tags_arr = explode(" ", $_POST['remove_tags']);
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// Search all images with the specified tags & add to list
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foreach (Image::find_images(1, 2147483647, $tags_arr) as $image) {
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array_push($images_for_removal, $image);
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}
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}
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// if no images were found with the given info
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if (count($images_for_removal) == 0) {
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$error = "No images selected for removal";
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}
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//var_dump($tags_arr);
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return [
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"error" => $error,
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"images_for_removal" => $images_for_removal];
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}
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// displays confirmation to admin before removal
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private function show_confirm()
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{
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global $page;
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// set vars
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$determined_imgs = $this->determine_images();
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$error = $determined_imgs["error"];
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$images_for_removal = $determined_imgs["images_for_removal"];
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// if there was an error in determine_images()
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if ($error != "") {
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$page->add_block(new Block("Cannot remove images", $error));
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return;
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}
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// generates the image array & places it in $_POST["bulk_remove_images"]
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$_POST["bulk_remove_images"] = $images_for_removal;
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// Display confirmation message
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$html = make_form(make_link("bulk_remove")).
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"Are you sure you want to PERMANENTLY remove ".
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count($images_for_removal) ." images?<br></form>";
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$page->add_block(new Block("Confirm Removal", $html));
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}
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private function do_bulk_remove()
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{
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global $page;
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// display error if user didn't go through admin board
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if (!isset($_POST["bulk_remove_images"])) {
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$page->add_block(new Block(
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"Bulk Remove Error",
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"Please use Board Admin to use bulk remove."
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));
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}
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//
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$image_arr = $_POST["bulk_remove_images"];
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}
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}
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