well then... recursive filtering works :)

.version

@@ -1 +1 @@
-2.7.4
+2.8.0

modules/generate_html.py

@@ -98,8 +98,32 @@ def initialize_metadata(folder: str) -> dict[str, dict[str, int]]:
     # remove old sizelist if it exists
     sizelist_path = os.path.join(folder, ".sizelist.json")
     if os.path.exists(sizelist_path):
+        with open(sizelist_path, "r") as sizelist:
+            metadata = json.loads(sizelist.read())
         logger.warning("found old .sizelist.json, removing it...", extra={"path": sizelist_path})
         os.remove(sizelist_path)
+
+    # convert from old metadata format
+    if "images" not in metadata and "subfolders" not in metadata:
+        images = metadata.copy()
+        metadata = {}
+        metadata["images"] = images
+    elif "images" not in metadata:
+        metadata["images"] = {}
+    for k, v in metadata["images"].items():
+        if "width" in v:
+            metadata["images"][k]["w"] = v["width"]
+            del metadata["images"][k]["width"]
+        if "height" in v:
+            metadata["images"][k]["h"] = v["height"]
+            del metadata["images"][k]["height"]
+        if "tags" not in v:
+            metadata["images"][k]["tags"] = []
+        if "exifdata" not in v:
+            metadata["images"][k]["exifdata"] = None
+        if "xmp" not in v:
+            metadata["images"][k]["xmp"] = None
+
     return metadata
 
 
@@ -144,7 +168,7 @@ def get_image_info(item: str, folder: str) -> dict[str, Any]:
     except UnidentifiedImageError:
         logger.error("cannot identify image file", extra={"file": file})
         print(f"cannot identify image file: {file}")
-        return {"width": None, "height": None, "tags": None, "exifdata": None, "xmp": None}
+        return {"w": None, "h": None, "tags": None, "exifdata": None, "xmp": None}
     if exif:
         logger.info("extracting EXIF data", extra={"file": file})
         ifd = exif.get_ifd(ExifTags.IFD.Exif)
@@ -220,7 +244,7 @@ def get_image_info(item: str, folder: str) -> dict[str, Any]:
             pass
     if None in tags:
         tags.remove(None)
-    return {"width": width, "height": height, "tags": tags, "exifdata": exifdata, "xmp": xmp}
+    return {"w": width, "h": height, "tags": tags, "exifdata": exifdata, "xmp": xmp}
 
 
 def nested_dict():
@@ -318,25 +342,23 @@ def process_image(item: str, folder: str, _args: Args, baseurl: str, metadata: d
         dict[str, Any]: dictionary containing image details for HTML rendering.
     """
     extsplit = os.path.splitext(item)
-    if item not in metadata or _args.reread_metadata:
-        metadata[item] = get_image_info(item, folder)
+    if item not in metadata["images"] or _args.reread_metadata:
+        metadata["images"][item] = get_image_info(item, folder)
     sidecarfile = os.path.join(folder, item + ".xmp")
     if os.path.exists(sidecarfile):
         logger.info("xmp sidecar file found", extra={"file": sidecarfile})
         try:
-            metadata[item]["tags"] = get_tags(sidecarfile)
+            metadata["images"][item]["tags"] = get_tags(sidecarfile)
         except Exception as e:
             logger.error(e)
 
     image = {
-        "url": f"{_args.web_root_url}{baseurl}{urllib.parse.quote(item)}",
-        "thumbnail": f"{_args.web_root_url}.thumbnails/{baseurl}{urllib.parse.quote(item)}.jpg",
+        "src": f"{_args.web_root_url}{baseurl}{urllib.parse.quote(item)}",
+        "msrc": f"{_args.web_root_url}.thumbnails/{baseurl}{urllib.parse.quote(item)}.jpg",
         "name": item,
-        "width": metadata[item]["width"],
-        "height": metadata[item]["height"],
-        "tags": metadata[item]["tags"],
-        "exifdata": metadata[item].get("exifdata", ""),
-        "xmp": metadata[item].get("xmp", ""),
+        "w": metadata["images"][item]["w"],
+        "h": metadata["images"][item]["h"],
+        "tags": metadata["images"][item]["tags"],
     }
     path = os.path.join(_args.root_directory, ".thumbnails", baseurl, item + ".jpg")
     if not os.path.exists(path) or _args.regenerate_thumbnails:
@@ -354,10 +376,13 @@ def process_image(item: str, folder: str, _args: Args, baseurl: str, metadata: d
             else:
                 logger.info("raw file found", extra={"file": file, "extension": _raw})
                 image["raw"] = url
-    return image
+
+    metadata["images"][item].update(image)
+
+    return image, metadata
 
 
-def generate_html(folder: str, title: str, _args: Args, raw: list[str], version: str, logo) -> None:
+def generate_html(folder: str, title: str, _args: Args, raw: list[str], version: str, logo) -> list[str]:
     """
     Generates HTML content for a folder of images.
 
@@ -373,15 +398,23 @@ def generate_html(folder: str, title: str, _args: Args, raw: list[str], version:
             logger.info("removing .metadata.json", extra={"folder": folder})
             os.remove(os.path.join(folder, ".metadata.json"))
     metadata = initialize_metadata(folder)
-    items = sorted(os.listdir(folder))
+    if _args.reverse_sort:
+        items = sorted(os.listdir(folder), reverse=True)
+    else:
+        items = sorted(os.listdir(folder))
 
     contains_files = False
     images = []
     subfolders = []
+    subfoldertags = []
     foldername = folder.removeprefix(_args.root_directory)
     foldername = f"{foldername}/" if foldername else ""
     baseurl = urllib.parse.quote(foldername)
 
+    gone = [item for item in metadata["images"] if item not in items]
+    for gon in gone:
+        del metadata["images"][gon]
+
     create_thumbnail_folder(foldername, _args.root_directory)
 
     logger.info("processing contents", extra={"folder": folder})
@@ -389,11 +422,12 @@ def generate_html(folder: str, title: str, _args: Args, raw: list[str], version:
         for item in tqdm(items, total=len(items), desc=f"Getting image infos - {folder}", unit="files", ascii=True, dynamic_ncols=True):
             if item not in EXCLUDES and not item.startswith("."):
                 if os.path.isdir(os.path.join(folder, item)):
-                    process_subfolder(item, folder, baseurl, subfolders, _args, raw, version, logo)
+                    subfoldertags = process_subfolder(item, folder, baseurl, subfolders, _args, raw, version, logo)
                 else:
                     contains_files = True
                     if os.path.splitext(item)[1].lower() in _args.file_extensions:
-                        images.append(process_image(item, folder, _args, baseurl, metadata, raw))
+                        img, metadata = process_image(item, folder, _args, baseurl, metadata, raw)
+                        images.append(img)
                     if item == "info":
                         process_info_file(folder, item)
                     if item == "LICENSE":
@@ -402,24 +436,27 @@ def generate_html(folder: str, title: str, _args: Args, raw: list[str], version:
         for item in items:
             if item not in EXCLUDES and not item.startswith("."):
                 if os.path.isdir(os.path.join(folder, item)):
-                    process_subfolder(item, folder, baseurl, subfolders, _args, raw, version, logo)
+                    subfoldertags = process_subfolder(item, folder, baseurl, subfolders, _args, raw, version, logo)
                 else:
                     contains_files = True
                     if os.path.splitext(item)[1].lower() in _args.file_extensions:
-                        images.append(process_image(item, folder, _args, baseurl, metadata, raw))
+                        img, metadata = process_image(item, folder, _args, baseurl, metadata, raw)
+                        images.append(img)
                     if item == "info":
                         process_info_file(folder, item)
                     if item == "LICENSE":
                         process_license(folder, item)
 
+    metadata["subfolders"] = subfolders
     update_metadata(metadata, folder)
 
     if should_generate_html(images, contains_files, _args):
-        create_html_file(folder, title, foldername, images, subfolders, _args, version, logo)
+        subfoldertags = create_html_file(folder, title, foldername, images, subfolders, _args, version, logo, subfoldertags)
     else:
         if os.path.exists(os.path.join(folder, "index.html")):
             logger.info("removing existing index.html", extra={"folder": folder})
             os.remove(os.path.join(folder, "index.html"))
+    return subfoldertags
 
 
 def create_thumbnail_folder(foldername: str, root_directory: str) -> None:
@@ -436,7 +473,7 @@ def create_thumbnail_folder(foldername: str, root_directory: str) -> None:
         os.mkdir(thumbnails_path)
 
 
-def process_subfolder(item: str, folder: str, baseurl: str, subfolders: list[dict[str, str | None]], _args: Args, raw: list[str], version: str, logo: str) -> None:
+def process_subfolder(item: str, folder: str, baseurl: str, subfolders: list[dict[str, str | None]], _args: Args, raw: list[str], version: str, logo: str) -> list[str]:
     """
     Processes a subfolder.
 
@@ -462,10 +499,11 @@ def process_subfolder(item: str, folder: str, baseurl: str, subfolders: list[dic
             else:
                 thumb = f"{_args.web_root_url}.thumbnails/{baseurl}{urllib.parse.quote(item)}/{urllib.parse.quote(thumbitems[0])}.jpg"
 
-    subfolders.append({"url": subfolder_url, "name": item, "thumb": thumb})
+    subfolders.append({"url": subfolder_url, "name": item, "thumb": thumb, "metadata": f"{_args.web_root_url}{baseurl}{urllib.parse.quote(item)}/.metadata.json"})
     if item not in _args.exclude_folders:
         if not any(fnmatch.fnmatchcase(os.path.join(folder, item), exclude) for exclude in _args.exclude_folders):
-            generate_html(os.path.join(folder, item), os.path.join(folder, item).removeprefix(_args.root_directory), _args, raw, version, logo)
+            return generate_html(os.path.join(folder, item), os.path.join(folder, item).removeprefix(_args.root_directory), _args, raw, version, logo)
+    return []
 
 
 def process_license(folder: str, item: str) -> None:
@@ -510,7 +548,9 @@ def should_generate_html(images: list[dict[str, Any]], contains_files, _args: Ar
     return images or (_args.use_fancy_folders and not contains_files) or (_args.use_fancy_folders and _args.ignore_other_files)
 
 
-def create_html_file(folder: str, title: str, foldername: str, images: list[dict[str, Any]], subfolders: list[dict[str, str]], _args: Args, version: str, logo: str) -> None:
+def create_html_file(
+    folder: str, title: str, foldername: str, images: list[dict[str, Any]], subfolders: list[dict[str, str]], _args: Args, version: str, logo: str, subfoldertags: list[str]
+) -> list[str]:
     """
     Creates the HTML file using the template.
 
@@ -545,7 +585,7 @@ def create_html_file(folder: str, title: str, foldername: str, images: list[dict
     for img in images:
         alltags.update(img["tags"])
 
-    nested_tags = parse_hierarchical_tags(alltags)
+    alltags.update(set(subfoldertags))
 
     folder_info = info.get(urllib.parse.quote(folder), "").split("\n")
     _info = [i for i in folder_info if len(i) > 1] if folder_info else None
@@ -589,19 +629,28 @@ def create_html_file(folder: str, title: str, foldername: str, images: list[dict
         header=header,
         license=license_info,
         subdirectories=subfolders,
-        images=images,
         info=_info,
         webmanifest=_args.generate_webmanifest,
         version=version,
         logo=logo,
         licensefile=license_url,
-        tags=nested_tags,
+        tags=parse_hierarchical_tags(alltags),
     )
 
     with open(html_file, "w", encoding="utf-8") as f:
         logger.info("writing html file", extra={"path": html_file})
         f.write(content)
 
+    if len(subfoldertags) > 1 and len(alltags) > 1:
+        alltags.update(set(subfoldertags))
+        return sorted(alltags)
+    elif len(subfoldertags) > 1:
+        return sorted(subfoldertags)
+    elif len(alltags) > 1:
+        return sorted(alltags)
+    else:
+        return []
+
 
 def list_folder(folder: str, title: str, _args: Args, raw: list[str], version: str, logo: str) -> list[tuple[str, str, str]]:
     """

templates/index.html.j2

@@ -1,16 +1,16 @@
 {%- macro render_tags(tag_tree, parent) -%}
-  <ol>
-    {%- for key, value in tag_tree.items() %}
-      <li class="tagentry">
-        <label onclick="filter()" title="{{ key }}" id="{{ parent }}|{{ key }}">
-          <input type="checkbox" />{{ key }}
-        </label>
-        {%- if value %}
-          {{ render_tags(value, parent + '|' + key) }}
-        {%- endif %}
-      </li>
-    {%- endfor %}
-  </ol>
+<ol>
+  {%- for key, value in tag_tree.items() %}
+  <li class="tagentry">
+    <label onclick="filter()" title="{{ key }}" id="{{ parent }}|{{ key }}">
+      <input class="tag" type="checkbox" />{{ key }}
+    </label>
+    {%- if value %}
+    {{ render_tags(value, parent + '|' + key) }}
+    {%- endif %}
+  </li>
+  {%- endfor %}
+</ol>
 {%- endmacro -%}
 <!DOCTYPE html>
 <html lang="en">
@@ -35,12 +35,10 @@
   <link rel="preload" href="{{ root }}.static/pswp/default-skin/default-skin.css" as="style">
   <link rel="modulepreload" href="{{ root }}.static/pswp/photoswipe.min.js">
   <link rel="modulepreload" href="{{ root }}.static/pswp/photoswipe-ui-default.min.js">
-  {%- if images %}
   <link rel="stylesheet" href="{{ root }}.static/pswp/photoswipe.css">
   <link rel="stylesheet" href="{{ root }}.static/pswp/default-skin/default-skin.css">
   <script src="{{ root }}.static/pswp/photoswipe.min.js"></script>
   <script src="{{ root }}.static/pswp/photoswipe-ui-default.min.js"></script>
-  {%- endif %}
 </head>
 
 <body>
@@ -67,6 +65,11 @@
         <li class="tooltip">
           <a>Filter by Tags</a>
           <ol class="tooltiptext tagdropdown" id="tagdropdown">
+            <span class="tagentry">
+              <label onclick="recursive()">
+                <input type="checkbox" id="recursive" />recursive filter
+              </label>
+            </span>
             {{ render_tags(tags, '') }}
           </ol>
         </li>
@@ -95,11 +98,8 @@
     </div>
     {%- endif %}
   </div>
-  {% if images %}
-  {%- set ns = namespace(count = 0) -%}
   <div class="row" id="imagelist">
   </div>
-  {%- endif %}
   {% if license %}
   {%- if 'CC' in license.type %}
   <div class="footer" xmlns:cc="http://creativecommons.org/ns#" xmlns:dct="http://purl.org/dc/terms/">
@@ -130,7 +130,6 @@
     <button type="button" onclick="topFunction()" id="totop" title="Back to Top">Back to Top</button>
   </div>
   {%- endif %}
-  {% if images %}
   <div class="pswp" tabindex="-1" role="dialog" aria-hidden="true">
     <div class="pswp__bg"></div>
     <div class="pswp__scroll-wrap">
@@ -168,29 +167,86 @@
     </div>
   </div>
   <script>
-    var pswpElement = document.querySelectorAll('.pswp')[0];
-    var items = [
-      {%- for image in images %}
-      {%- if image.exifdata.DateTime %}
-      { name: "{{ image.name }}", tiff: "{{ image.tiff }}", raw: "{{ image.raw }}", src: "{{ image.url }}", w: {{ image.width }}, h: {{ image.height }}, msrc: "{{ image.thumbnail }}", tags: "{{ image.tags }}", title: "Captured: {{ image.exifdata.DateTime }}" },
-      {%- else %}
-      { name: "{{ image.name }}", tiff: "{{ image.tiff }}", raw: "{{ image.raw }}", src: "{{ image.url }}", w: {{ image.width }}, h: {{ image.height }}, msrc: "{{ image.thumbnail }}", tags: "{{ image.tags }}" },
-      {%- endif %}
-      {%- endfor %}
-    ];
-    var re = /pid=(\d+)/;
-    var filterre = /#(.*)/;
-    var controllers = {}
+    const pswpElement = document.querySelectorAll('.pswp')[0];
+    const re = /pid=(\d+)/;
+    const filterre = /#(.*)/;
+    let items = [];
+    let shown = [];
+    let subfolders = [];
+    let controllers = {};
+    let currentFolder = "";
+
+    function requestMetadata() {
+      fetch(".metadata.json").then(response => {
+        if (!response.ok) {
+          throw new Error(`HTTP error! Status: ${response.status}`);
+        }
+        return response.json();
+      })
+        .then(data => {
+          items = Object.values(data.images);
+          subfolders = data.subfolders;
+          if (filterre.test(window.location.href)) {
+            var selected = window.location.href.match(filterre)[1].split(",");
+            setFilter(selected);
+          }
+          filter();
+
+          if (re.test(window.location.href)) {
+            var pid = window.location.href.match(re)[1];
+            openSwipe(parseInt(pid));
+          }
+
+          if (items == []) {
+            document.getElementById("imagelist").style.display = "none"
+          } else {
+            document.getElementById("imagelist").style.display = ""
+          }
+        })
+        .catch(error => console.error('Failed to fetch data:', error));
+    }
 
     function openSwipe(img) {
-      var options = {
+      const options = {
         index: img
       };
-      var gallery = new PhotoSwipe(pswpElement, PhotoSwipeUI_Default, shown, options);
+      const gallery = new PhotoSwipe(pswpElement, PhotoSwipeUI_Default, shown, options);
       gallery.init();
     }
 
-    let totopbutton = document.getElementById("totop");
+    async function recursive(sub = undefined) {
+      const ischecked = document.getElementById("recursive").checked;
+      const folders = document.getElementsByClassName("folders")[0];
+      if (sub == undefined) {
+        sub = subfolders;
+      }
+      if (ischecked) {
+        if (folders != undefined) {
+          folders.style.display = "none";
+        }
+        for (const folder of sub) {
+          currentFolder = folder.name;
+          try {
+            const response = await fetch(folder.metadata);
+            const data = await response.json();
+            if (data.subfolders.length > 0) {
+              await recursive(data.subfolders);
+            }
+            items = items.concat(Object.values(data.images));
+            filter();
+          } catch (error) {
+            console.error('Failed to fetch folder metadata:', error);
+          }
+        }
+      } else {
+        if (folders != undefined) {
+          folders.style.display = "";
+        }
+        requestMetadata();
+      }
+    }
+
+    const totopbutton = document.getElementById("totop");
 
     window.onscroll = function () { scrollFunction() };
 
@@ -206,15 +262,15 @@
       window.scrollTo({ top: 0, behavior: 'smooth' })
     }
 
-    function updateImageList(images) {
-      var str = ""
-      var imagelist = document.getElementById("imagelist");
-      images.forEach((item, index) => {
+    function updateImageList() {
+      let str = ""
+      let imagelist = document.getElementById("imagelist");
+      shown.forEach((item, index) => {
         str += '<div class="column"><figure><img src="' + item.msrc + '" onclick="openSwipe(' + index + ')" onmouseover="prefetch(' + index + ')" onmouseleave="cancel(' + index + ')" /><figcaption class="caption">' + item.name;
-        if (item.tiff != "") {
+        if (item.tiff != "" & item.tiff != undefined) {
           str += ' <a href="' + item.tiff + '">TIFF</a>';
         }
-        if (item.raw != "") {
+        if (item.raw != "" & item.raw != undefined) {
           str += ' <a href="' + item.raw + '">RAW</a>';
         }
         str += '</figcaption></figure></div>';
@@ -241,33 +297,38 @@
     }
 
     function filter() {
+      shown = [];
+
       window.location.href = window.location.href.split("#")[0] + "#";
 
       const selected_tags = [];
-      const shown = [];
-
-      const tagcheckboxes = document.querySelectorAll("#tagdropdown input[type='checkbox']:checked");
+      const tagcheckboxes = document.querySelectorAll("#tagdropdown input[class='tag']:checked");
 
       tagcheckboxes.forEach((checkbox) => {
         const tag = checkbox.parentElement.id.trim().substring(1);
         selected_tags.push(tag);
       });
-      console.log(selected_tags);
 
       const urltags = selected_tags.join(",");
 
-      items.forEach((item) => {
-        const tags = item.tags || [];
-        const include = selected_tags.every(tag => tags.includes(tag));
-        if (include || selected_tags.length === 0) {
-          shown.push(item);
-        }
-      });
+      const isRecursiveChecked = document.getElementById("recursive").checked;
 
-      updateImageList(shown);
+      for (const item of items) {
+        const tags = item.tags || [];
+        const include = selected_tags.every(tag => tags.some(t => t.startsWith(tag)));
+
+        if (include || selected_tags.length === 0) {
+          if (isRecursiveChecked || item.folder === currentFolder) {
+            shown.push(item);
+          }
+        }
+      }
+
+      updateImageList();
       window.location.href += urltags;
     }
 
+
     function setFilter(selected) {
       tagdropdown = document.getElementById("tagdropdown").getElementsByTagName("li");
       selected.forEach((tag) => {
@@ -280,20 +341,7 @@
     }
 
     function onLoad() {
-      {%- if tags | length > 0 %}
-      if (filterre.test(window.location.href)) {
-        var selected = window.location.href.match(filterre)[1].split(",");
-        setFilter(selected);
-      }
-      filter();
-      {%- else %}
-      updateImageList(items);
-      {%- endif %}
-
-      if (re.test(window.location.href)) {
-        var pid = window.location.href.match(re)[1];
-        openSwipe(parseInt(pid));
-      }
+      requestMetadata();
     }
 
     window.addEventListener ?
@@ -301,7 +349,6 @@
       window.attachEvent && window.attachEvent("onload", onLoad);
 
   </script>
-  {%- endif %}
 </body>
 
 </html>