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itflow
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Introduce cleanupUnusedImages function to delete referenced files that have been deleted when editing content which as been added to document template edit. Did not do this for documents as they are versioned and images will remain until the document is fully deleted

This commit is contained in:
johnnyq 2025-11-23 15:36:11 -05:00
parent 4153c91f84
commit 155b8598ff
2 changed files with 51 additions and 9 deletions
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24
admin/post/document_template.php
View File

@ -40,18 +40,24 @@ if (isset($_POST['edit_document_template'])) {
$name = sanitizeInput($_POST['name']);
$description = sanitizeInput($_POST['description']);
$processed_content = mysqli_escape_string(
$mysqli,
saveBase64Images(
$_POST['content'],
$_SERVER['DOCUMENT_ROOT'] . "/uploads/document_templates/",
"uploads/document_templates/",
$document_template_id
)
$processed_content = saveBase64Images(
$_POST['content'],
$_SERVER['DOCUMENT_ROOT'] . "/uploads/document_templates/",
"uploads/document_templates/",
$document_template_id
);
$processed_content_escaped = mysqli_escape_string($mysqli, $processed_content);
// CLEAN UP unused images
cleanupUnusedImages(
$processed_content,
$_SERVER['DOCUMENT_ROOT'] . "/uploads/document_templates/" . $document_template_id,
"/uploads/document_templates/" . $document_template_id
);
// Document edit query
mysqli_query($mysqli,"UPDATE document_templates SET document_template_name = '$name', document_template_description = '$description', document_template_content = '$processed_content', document_template_updated_by = $session_user_id WHERE document_template_id = $document_template_id");
mysqli_query($mysqli,"UPDATE document_templates SET document_template_name = '$name', document_template_description = '$description', document_template_content = '$processed_content_escaped', document_template_updated_by = $session_user_id WHERE document_template_id = $document_template_id");
logAction("Document Template", "Edit", "$session_name edited document template $name", 0, $document_template_id);

36
functions.php
View File

@ -1752,3 +1752,39 @@ function saveBase64Images(string $html, string $baseFsPath, string $baseWebPath,
return $html;
}
function cleanupUnusedImages(string $html, string $folderFsPath, string $folderWebPath) {
$folderFsPath = rtrim($folderFsPath, '/\\') . '/';
$folderWebPath = rtrim($folderWebPath, '/\\') . '/';
if (!is_dir($folderFsPath)) {
return; // no folder = nothing to delete
}
// 1. Get all files currently on disk
$filesOnDisk = glob($folderFsPath . "*");
// 2. Find all <img src="">
preg_match_all('/<img[^>]+src=["\']([^"\']+)["\']/i', $html, $matches);
$htmlImagePaths = $matches[1] ?? [];
// Normalize paths: keep only filenames belonging to this template folder
$referencedFiles = [];
foreach ($htmlImagePaths as $src) {
if (strpos($src, $folderWebPath) !== false) {
$filename = basename($src);
$referencedFiles[] = $filename;
}
}
// 3. Delete any physical file not referenced in the HTML
foreach ($filesOnDisk as $filePath) {
$filename = basename($filePath);
if (!in_array($filename, $referencedFiles)) {
unlink($filePath);
}
}
}