Bulk Remove

2013-06-19 20:57:54 +01:00 · 2013-06-19 20:57:54 +01:00 · a3486f9b29
commit a3486f9b29
parent 668ebdcb2e
1 changed files with 132 additions and 0 deletions
--- a/ext/bulk_remove/main.php
+++ b/ext/bulk_remove/main.php
@ -0,0 +1,132 @@
+<?php
+/*
+ * Name: Bulk Remove (Beta)
+ * Author: Drudex Software <support@drudexsoftware.com>
+ * Link: http://www.drudexsoftware.com/
+ * License: GPLv2
+ * Description: Allows admin to delete many images at once through Board Admin.
+ * Documentation:
+ *  
+ */
+//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
+
+class BulkRemove extends Extension {
+	public function onPageRequest(PageRequestEvent $event) {
+		global $page, $user;
+		if($event->page_matches("bulk_remove") && $user->is_admin() && $user->check_auth_token()) {
+			if ($event->get_arg(0) == "confirm") $this->do_bulk_remove(); 
+			else $this->show_confirm();
+		}
+	}
+ 
+	public function onAdminBuilding(AdminBuildingEvent $event) {
+		global $page, $user;
+		$html = "<b>Be extremely careful when using this!</b><br>
+                    Once an image is removed there is no way to recover it so it is recommended that
+                    you first take when removing a large amount of images.<br>
+                    <b>Note:</b> Entering both an ID range and tags will only remove images between the given ID's that have the given tags.
+
+			<p>".make_form(make_link("bulk_remove"))."
+                            <table class='form'>
+                                <tr><td colspan='2'><b>Remove images by ID</b></td></tr>
+                                <tr><th>From</th><td> <input type='text' name='remove_id_min' size='2'></td></tr>
+                                <tr><th>Until</th><td> <input type='text' name='remove_id_max' size='2'></td></tr>
+
+                                <tr><td colspan='2'><b>Where tags are</b></td></tr>
+                                <tr><td colspan='2'>
+                                <input type='text' name='remove_tags' size='10'>
+                               </td> </tr>
+                                <tr><td colspan='2'><input type='submit' value='Remove'></td></tr>
+                            </table>
+			</form>
+		";
+		$page->add_block(new Block("Bulk Remove", $html));
+	}
+
+        // returns a list of images to be removed
+	private function determine_images()
+        {
+            // set vars
+            $images_for_removal = array();
+            $error = "";
+            
+            $min_id = $_POST['remove_id_min'];
+            $max_id = $_POST['remove_id_max'];
+            $tags = $_POST['remove_tags'];
+            
+            
+            // if using id range to remove (comined removal with tags)
+            if ($min_id != "" && $max_id != "") 
+            { 
+                // error if values are not correctly entered
+                if (!is_numeric($min_id) || !is_numeric($max_id) || 
+                intval($max_id) < intval($min_id))
+                    $error = "Values not correctly entered for removal between id.";
+                
+                else { // if min & max id are valid
+                    
+                    // Grab the list of images & place it in the removing array
+                    foreach (Image::find_images(intval($min_id), intval($max_id)) as $image)
+                    array_push($images_for_removal, $image);
+                }      
+            }
+          
+            // refine previous results or create results from tags
+            if ($tags != "")
+            {
+                $tags_arr = explode(" ", $_POST['remove_tags']);
+                
+                // Search all images with the specified tags & add to list
+                foreach (Image::find_images(1, 2147483647, $tags_arr) as $image)
+                    array_push($images_for_removal, $image);
+            }
+            
+            
+            // if no images were found with the given info
+            if (count($images_for_removal) == 0 && $html == "")
+                $error = "No images selected for removal";
+            
+            var_dump($tags_arr); 
+            return array(
+                "error" => $error, 
+                "images_for_removal" => $images_for_removal);
+        }
+        
+        // displays confirmation to admin before removal
+        private function show_confirm()
+        {
+            global $page;
+            
+            // set vars
+            $determined_imgs = $this->determine_images();
+            $error = $determined_imgs["error"];
+            $images_for_removal = $determined_imgs["images_for_removal"];
+            
+            // if there was an error in determine_images()
+            if ($error != "") {
+                $page->add_block(new Block("Cannot remove images", $error));
+                return;
+            }
+            // generates the image array & places it in $_POST["bulk_remove_images"]
+            $_POST["bulk_remove_images"] = $images_for_removal;
+            
+            // Display confirmation message 
+            $html = make_form(make_link("bulk_remove")).
+                    "Are you sure you want to PERMANENTLY remove ". 
+                    count($images_for_removal) ." images?<br></form>";
+            $page->add_block(new Block("Confirm Removal", $html));
+        }
+        
+        private function do_bulk_remove()
+        {
+            // display error if user didn't go through admin board
+            if (!isset($_POST["bulk_remove_images"])) {
+                $page->add_block(new Block("Bulk Remove Error", 
+                    "Please use Board Admin to use bulk remove."));
+            }
+            
+            //
+            $image_arr = $_POST["bulk_remove_images"];
+        }
+}
+?>