Automatically resize album thumbnail

sas/forms.py

@@ -1,16 +1,22 @@
-from typing import Any
+from pathlib import Path
+from typing import TYPE_CHECKING, Any
 
 from django import forms
 from django.core.exceptions import ValidationError
 from django.utils.translation import gettext_lazy as _
+from PIL import Image
 
 from core.models import User
+from core.utils import resize_image
 from core.views import MultipleImageField
 from core.views.forms import SelectDate
 from core.views.widgets.ajax_select import AutoCompleteSelectMultipleGroup
 from sas.models import Album, Picture, PictureModerationRequest
 from sas.widgets.ajax_select import AutoCompleteSelectAlbum
 
+if TYPE_CHECKING:
+    from django.db.models.fields.files import FieldFile
+
 
 class AlbumCreateForm(forms.ModelForm):
     class Meta:
@@ -49,17 +55,30 @@ class AlbumEditForm(forms.ModelForm):
     class Meta:
         model = Album
         fields = ["name", "date", "file", "parent", "edit_groups"]
-        widgets = {
-            "edit_groups": AutoCompleteSelectMultipleGroup,
-        }
+        widgets = {"edit_groups": AutoCompleteSelectMultipleGroup, "date": SelectDate}
 
     name = forms.CharField(max_length=Album.NAME_MAX_LENGTH, label=_("file name"))
-    date = forms.DateField(label=_("Date"), widget=SelectDate, required=True)
     recursive = forms.BooleanField(label=_("Apply rights recursively"), required=False)
     parent = forms.ModelChoiceField(
         Album.objects.all(), required=True, widget=AutoCompleteSelectAlbum
     )
 
+    def clean_file(self):
+        # if a file was given in the form, resize it
+        f: FieldFile = self.cleaned_data["file"]
+        if self.errors or not f or "file" not in self.changed_data:
+            return f
+        f.file = resize_image(Image.open(f.file), 200, "WEBP")
+        return f
+
+    def save(self, commit=True):  # noqa: FBT002
+        if self.instance.file:
+            self.instance.file.name = str(Path(self.instance.name) / "thumb.webp")
+        self.instance = super().save(commit=commit)
+        if not self.instance.file:
+            self.instance.generate_thumbnail()
+        return self.instance
+
 
 class PictureModerationRequestForm(forms.ModelForm):
     """Form to create a PictureModerationRequest.

sas/models.py

@@ -110,7 +110,7 @@ class Picture(SasFile):
     def get_absolute_url(self):
         return reverse("sas:picture", kwargs={"picture_id": self.id})
 
-    def generate_thumbnails(self, *, overwrite=False):
+    def generate_thumbnails(self):
         im = Image.open(BytesIO(self.file.read()))
         with contextlib.suppress(Exception):
             im = exif_auto_rotate(im)
@@ -126,10 +126,6 @@ class Picture(SasFile):
         file = resize_image(im, max(im.size), extension, optimize=False)
         thumb = resize_image(im, 200, "webp")
         compressed = resize_image(im, 1200, "webp")
-        if overwrite:
-            self.file.delete()
-            self.thumbnail.delete()
-            self.compressed.delete()
         new_extension_name = str(Path(self.name).with_suffix(".webp"))
         self.file = file
         self.file.name = self.name
@@ -245,17 +241,15 @@ class Album(SasFile):
         return reverse("sas:album_preview", kwargs={"album_id": self.id})
 
     def generate_thumbnail(self):
-        p = (
-            self.children_pictures.order_by("?").first()
-            or self.children_albums.exclude(file=None)
-            .exclude(file="")
+        p = self.children_pictures.order_by("?").first() or (
+            self.children_albums.exclude(Q(file=None) | Q(file=""))
             .order_by("?")
             .first()
         )
         if p and p.file:
             image = resize_image(Image.open(BytesIO(p.file.read())), 200, "webp")
             self.file = image
-            self.file.name = f"{self.name}/thumb.webp"
+            self.file.name = str(Path(self.name) / "thumb.webp")
             self.save()
 
 

sas/static/sas/css/picture.scss

@@ -134,7 +134,7 @@
           --loading-size: 20px
         }
 
-        @media (min-width: 700px) and (max-width: 1000px) {
+        @media (max-width: 1000px) {
           max-width: calc(50% - 5px);
         }
 
@@ -201,70 +201,75 @@
   }
 }
 
-#pict .general {
+.general {
   display: flex;
   flex-direction: row;
-  gap: 3em;
-  justify-content: space-evenly;
+  gap: 20px;
 
   @media (max-width: 1000px) {
-    gap: 1em;
     flex-direction: column;
   }
 
-  .infos, .tools {
-    flex: 1;
+  >.infos {
     display: flex;
     flex-direction: column;
-    gap: .5em;
-    @media (min-width: 700px) {
-      max-width: 350px;
+    width: 50%;
+
+    >div>div {
+      display: flex;
+      flex-direction: row;
+      justify-content: space-between;
+
+      >*:first-child {
+        min-width: 150px;
+
+        @media (max-width: 1000px) {
+          min-width: auto;
+        }
+      }
     }
   }
-  .infos > div, .tools > div > div {
-    display: flex;
-    flex-direction: column;
-    gap: .35em;
-  }
-
-  .tools > div, >.infos >div>div {
-    display: flex;
-    flex-direction: row;
-    justify-content: space-between;
-  }
 
   >.tools {
-    flex: 1;
+    display: flex;
+    flex-direction: column;
+    width: 50%;
 
-    >div>div {
-      >a.btn {
-        background-color: $primary-neutral-light-color;
-        display: flex;
-        justify-content: center;
-        align-items: center;
-        padding: 0;
-        color: black;
-        width: 40px;
-        height: 40px;
-        font-size: 20px;
+    >div {
+      display: flex;
+      flex-direction: row;
+      justify-content: space-between;
 
-        &:hover {
-          background-color: #aaa;
+      >div {
+        >a.button {
+          box-sizing: border-box;
+          background-color: $primary-neutral-light-color;
+          display: flex;
+          justify-content: center;
+          align-items: center;
+          padding: 10px;
+          color: black;
+          border-radius: 5px;
+          width: 40px;
+          height: 40px;
+
+          &:hover {
+            background-color: #aaa;
+          }
         }
-      }
 
-      >a.text.danger {
-        color: red;
+        >a.text.danger {
+          color: red;
 
-        &:hover {
-          color: darkred;
+          &:hover {
+            color: darkred;
+          }
         }
-      }
 
-      &.buttons {
-        display: flex;
-        flex-direction: row;
-        gap: 5px;
+        &.buttons {
+          display: flex;
+          gap: 5px;
+        }
       }
     }
   }

sas/templates/sas/macros.jinja

@@ -2,19 +2,19 @@
   <a href="{{ url('sas:album', album_id=a.id) }}">
     {% if a.file %}
       {% set img = a.get_download_url() %}
-      {% set src = a.name %}
+      {% set alt = a.name %}
     {% elif a.children.filter(is_folder=False, is_moderated=True).exists() %}
       {% set picture = a.children.filter(is_folder=False).first().as_picture %}
       {% set img = picture.get_download_thumb_url()  %}
-      {% set src = picture.name %}
+      {% set alt = picture.name %}
     {% else %}
       {% set img = static('core/img/sas.jpg') %}
-      {% set src = "sas.jpg" %}
+      {% set alt = "sas.jpg" %}
     {% endif %}
     <div
       class="album{% if not a.is_moderated %} not_moderated{% endif %}"
     >
-      <img src="{{ img }}" alt="{{ src }}" loading="lazy" />
+      <img src="{{ img }}" alt="{{ alt }}" loading="lazy" />
       {% if not a.is_moderated %}
         <div class="overlay">&nbsp;</div>
         <div class="text">{% trans %}To be moderated{% endtrans %}</div>

sas/templates/sas/main.jinja

@@ -12,17 +12,6 @@
   {% trans %}See all the photos taken during events organised by the AE.{% endtrans %}
 {%- endblock %}
 
-{% block metatags %}
-  <meta property="og:url" content="{{ request.build_absolute_uri() }}" />
-  <meta property="og:type" content="website" />
-  <meta property="og:title" content="Stock à souvenirs" />
-  <meta
-    property="og:description"
-    content="Retrouvez toutes les photos prises durant les événements organisés par l'AE."
-  />
-  <meta property="og:image" content="{{ request.build_absolute_uri(static("core/img/logo_no_text.png")) }}" />
-{% endblock %}
-
 {% set is_sas_admin = user.is_root or user.is_in_group(pk=settings.SITH_GROUP_SAS_ADMIN_ID) %}
 
 {% from "sas/macros.jinja" import display_album %}

sas/templates/sas/picture.jinja

@@ -118,20 +118,15 @@
                 <a class="text" :href="currentPicture.full_size_url">
                   {% trans %}HD version{% endtrans %}
                 </a>
-                <a class="text danger " :href="currentPicture.report_url">
+                <br>
+                <a class="text danger" :href="currentPicture.report_url">
                   {% trans %}Ask for removal{% endtrans %}
                 </a>
               </div>
               <div class="buttons">
-                <a
-                  class="btn btn-no-text"
-                  :href="currentPicture.edit_url"
-                  x-show="{{ user.has_perm("sas.change_sasfile")|tojson }} || currentPicture.owner.id === {{ user.id }}"
-                >
-                  <i class="fa-regular fa-pen-to-square edit-action"></i>
-                </a>
-                <a class="btn btn-no-text" href="?rotate_left"><i class="fa-solid fa-rotate-left"></i></a>
-                <a class="btn btn-no-text" href="?rotate_right"><i class="fa-solid fa-rotate-right"></i></a>
+                <a class="button" :href="currentPicture.edit_url"><i class="fa-regular fa-pen-to-square edit-action"></i></a>
+                <a class="button" href="?rotate_left"><i class="fa-solid fa-rotate-left"></i></a>
+                <a class="button" href="?rotate_right"><i class="fa-solid fa-rotate-right"></i></a>
               </div>
             </div>
           </div>

sas/views.py

@@ -16,6 +16,7 @@ from typing import Any
 
 from django.conf import settings
 from django.contrib.auth.mixins import PermissionRequiredMixin
+from django.core.exceptions import PermissionDenied
 from django.db.models import Count, OuterRef, Subquery
 from django.http import Http404, HttpResponseRedirect
 from django.shortcuts import get_object_or_404, redirect
@@ -152,10 +153,9 @@ class AlbumView(CanViewMixin, UseFragmentsMixin, DetailView):
 
     def post(self, request, *args, **kwargs):
         self.object = self.get_object()
-        if not self.object.file:
-            self.object.generate_thumbnail()
-        if request.user.can_edit(self.object):  # Handle the copy-paste functions
-            FileView.handle_clipboard(request, self.object)
+        if not request.user.can_edit(self.object):
+            raise PermissionDenied
+        FileView.handle_clipboard(request, self.object)
         return HttpResponseRedirect(self.request.path)
 
     def get_fragment_data(self) -> dict[str, dict[str, Any]]: