WIP: Add preview of text pastes to historydev-text-paste-preview

 - Performance needs to be improved by putting the preview text into the
database instead of fetching it on each call.

Signed-off-by: Florian Pritz <bluewind@xinu.at>

2 files changed, 26 insertions, 0 deletions

diff --git a/application/controllers/api/v2/file.php b/application/controllers/api/v2/file.php
index 3d4103f1c..34e472d74 100644
--- a/application/controllers/api/v2/file.php
+++ b/application/controllers/api/v2/file.php
@@ -60,6 +60,9 @@ class file extends \controllers\api\api_controller {
 	{
 		$this->CI->muser->require_access("apikey");
 		$history = \service\files::history($this->CI->muser->get_userid());
+		foreach ($history['items'] as $key => $item) {
+			unset($history['items'][$key]['preview_text']);
+		}
 		foreach ($history['multipaste_items'] as $key => $item) {
 			foreach ($item['items'] as $inner_key => $item) {
 				unset($history['multipaste_items'][$key]['items'][$inner_key]['sort_order']);
diff --git a/application/service/files.php b/application/service/files.php
index a98e0873f..a0db41b1f 100644
--- a/application/service/files.php
+++ b/application/service/files.php
@@ -26,6 +26,29 @@ class files {
 			if (\libraries\Image::type_supported($item["mimetype"])) {
 				$item['thumbnail'] = site_url("file/thumbnail/".$item['id']);
 			}
+
+			// FIXME performance is baaaaad here. put this in the db and populate when uploading
+			$filedata = $CI->mfile->get_filedata($item['id']);
+			$file = $CI->mfile->file($filedata["data_id"]);
+			$pygments = new \libraries\Pygments($file, $item['mimetype'], $item['filename']);
+			if ($pygments->should_highlight()) {
+				$max_preview_len = 1024;
+				$max_lines = 15;
+
+				try {
+					$f = fopen($file, "r");
+				} catch (\ErrorException $e) {
+					$f = null;
+				}
+
+				if ($f) {
+					$text = fread($f, $max_preview_len);
+					fclose($f);
+
+					$item['preview_text'] = self::ellipsize($text, $max_lines, filesize($file));
+				}
+			}
+
 			$items[$item["id"]] = $item;
 		}