immich-app · matitalatina · Jan 4, 2025
diff --git a/web/src/lib/components/asset-viewer/asset-viewer.svelte b/web/src/lib/components/asset-viewer/asset-viewer.svelte
@@ -8,7 +8,6 @@
   import { updateNumberOfComments } from '$lib/stores/activity.store';
   import { closeEditorCofirm } from '$lib/stores/asset-editor.store';
   import { assetViewingStore } from '$lib/stores/asset-viewing.store';
-  import type { AssetStore } from '$lib/stores/assets.store';
   import { isShowDetail } from '$lib/stores/preferences.store';
   import { SlideshowNavigation, SlideshowState, slideshowStore } from '$lib/stores/slideshow.store';
   import { user } from '$lib/stores/user.store';
@@ -49,8 +48,9 @@
   import VideoViewer from './video-wrapper-viewer.svelte';
   import ImagePanoramaViewer from './image-panorama-viewer.svelte';
 
+  type HasAsset = boolean;
+
   interface Props {
-    assetStore?: AssetStore | null;
     asset: AssetResponseDto;
     preloadAssets?: AssetResponseDto[];
     showNavigation?: boolean;
@@ -61,13 +61,13 @@
     onAction?: OnAction | undefined;
     reactions?: ActivityResponseDto[];
     onClose: (dto: { asset: AssetResponseDto }) => void;
-    onNext: () => void;
-    onPrevious: () => void;
+    onNext: () => Promise<HasAsset>;
+    onPrevious: () => Promise<HasAsset>;
+    onRandom: () => Promise<AssetResponseDto | null>;
     copyImage?: () => Promise<void>;
   }
 
   let {
-    assetStore = null,
     asset = $bindable(),
     preloadAssets = $bindable([]),
     showNavigation = true,
@@ -80,6 +80,7 @@
     onClose,
     onNext,
     onPrevious,
+    onRandom,
     copyImage = $bindable(),
   }: Props = $props();
 
@@ -271,22 +272,6 @@
     });
   };
 
-  const navigateAssetRandom = async () => {
-    if (!assetStore) {
-      return;
-    }
-
-    const asset = await assetStore.getRandomAsset();
-    if (!asset) {
-      return;
-    }
-
-    slideshowHistory.queue(asset);
-
-    setAsset(asset);
-    $restartSlideshowProgress = true;
-  };
-
   const navigateAsset = async (order?: 'previous' | 'next', e?: Event) => {
     if (!order) {
       if ($slideshowState === SlideshowState.PlaySlideshow) {
@@ -296,23 +281,30 @@
       }
     }
 
+    e?.stopPropagation();
+
+    let hasNext = false;
+
     if ($slideshowState === SlideshowState.PlaySlideshow && $slideshowNavigation === SlideshowNavigation.Shuffle) {
-      return (order === 'previous' ? slideshowHistory.previous() : slideshowHistory.next()) || navigateAssetRandom();
+      hasNext = order === 'previous' ? slideshowHistory.previous() : slideshowHistory.next();
+      if (!hasNext) {
+        const asset = await onRandom();
+        if (asset) {
+          slideshowHistory.queue(asset);
+          hasNext = true;
+        }
+      }
+    } else {
+      hasNext = order === 'previous' ? await onPrevious() : await onNext();
     }
 
-    if ($slideshowState === SlideshowState.PlaySlideshow && assetStore) {
-      const hasNext =
-        order === 'previous' ? await assetStore.getPreviousAsset(asset) : await assetStore.getNextAsset(asset);
+    if ($slideshowState === SlideshowState.PlaySlideshow) {
       if (hasNext) {
         $restartSlideshowProgress = true;
       } else {
         await handleStopSlideshow();
       }
     }
-
-    e?.stopPropagation();
-    // eslint-disable-next-line @typescript-eslint/no-unused-expressions
-    order === 'previous' ? onPrevious() : onNext();
   };
 
   // const showEditorHandler = () => {
@@ -435,7 +427,7 @@
         {person}
         {stack}
         showDetailButton={enableDetailPanel}
-        showSlideshow={!!assetStore}
+        showSlideshow={true}
         onZoomImage={zoomToggle}
         onCopyImage={copyImage}
         onAction={handleAction}

diff --git a/web/src/lib/components/photos-page/asset-grid.svelte b/web/src/lib/components/photos-page/asset-grid.svelte
@@ -527,6 +527,18 @@
     return !!nextAsset;
   };
 
+  const handleRandom = async () => {
+    const randomAsset = await $assetStore.getRandomAsset();
+
+    if (randomAsset) {
+      const preloadAsset = await $assetStore.getNextAsset(randomAsset);
+      assetViewingStore.setAsset(randomAsset, preloadAsset ? [preloadAsset] : []);
+      await navigate({ targetRoute: 'current', assetId: randomAsset.id });
+    }
+
+    return randomAsset;
+  };
+
   const handleClose = async ({ asset }: { asset: AssetResponseDto }) => {
     assetViewingStore.showAssetViewer(false);
     showSkeleton = true;
@@ -911,7 +923,6 @@
     {#await import('../asset-viewer/asset-viewer.svelte') then { default: AssetViewer }}
       <AssetViewer
         {withStacked}
-        {assetStore}
         asset={$viewingAsset}
         preloadAssets={$preloadAssets}
         {isShared}
@@ -920,6 +931,7 @@
         onAction={handleAction}
         onPrevious={handlePrevious}
         onNext={handleNext}
+        onRandom={handleRandom}
         onClose={handleClose}
       />
     {/await}

diff --git a/web/src/lib/components/shared-components/gallery-viewer/gallery-viewer.svelte b/web/src/lib/components/shared-components/gallery-viewer/gallery-viewer.svelte
@@ -34,6 +34,7 @@
     isShowDeleteConfirmation?: boolean;
     onPrevious?: (() => Promise<AssetResponseDto | undefined>) | undefined;
     onNext?: (() => Promise<AssetResponseDto | undefined>) | undefined;
+    onRandom?: (() => Promise<AssetResponseDto | undefined>) | undefined;
   }
 
   let {
@@ -47,6 +48,7 @@
     isShowDeleteConfirmation = $bindable(false),
     onPrevious = undefined,
     onNext = undefined,
+    onRandom = undefined,
   }: Props = $props();
 
   let { isViewing: isViewerOpen, asset: viewingAsset, setAsset } = assetViewingStore;
@@ -202,35 +204,71 @@
     })(),
   );
 
-  const handleNext = async () => {
+  const handleNext = async (): Promise<boolean> => {
     try {
       let asset: AssetResponseDto | undefined;
       if (onNext) {
         asset = await onNext();
       } else {
-        currentViewAssetIndex = Math.min(currentViewAssetIndex + 1, assets.length - 1);
-        asset = assets[currentViewAssetIndex];
+        currentViewAssetIndex = currentViewAssetIndex + 1;
+        asset = currentViewAssetIndex < assets.length ? assets[currentViewAssetIndex] : undefined;
+      }
+
+      if (!asset) {
+        return false;
+      }
+
+      await navigateToAsset(asset);
+      return true;
+    } catch (error) {
+      handleError(error, $t('errors.cannot_navigate_next_asset'));
+      return false;
+    }
+  };
+
+  const handleRandom = async (): Promise<AssetResponseDto | null> => {
+    try {
+      let asset: AssetResponseDto | undefined;
+      if (onRandom) {
+        asset = await onRandom();
+      } else {
+        if (assets.length > 0) {
+          const randomIndex = Math.floor(Math.random() * assets.length);
+          asset = assets[randomIndex];
+        }
+      }
+
+      if (!asset) {
+        return null;
       }
 
       await navigateToAsset(asset);
+      return asset;
     } catch (error) {
       handleError(error, $t('errors.cannot_navigate_next_asset'));
+      return null;
     }
   };
 
-  const handlePrevious = async () => {
+  const handlePrevious = async (): Promise<boolean> => {
     try {
       let asset: AssetResponseDto | undefined;
       if (onPrevious) {
         asset = await onPrevious();
       } else {
-        currentViewAssetIndex = Math.max(currentViewAssetIndex - 1, 0);
-        asset = assets[currentViewAssetIndex];
+        currentViewAssetIndex = currentViewAssetIndex - 1;
+        asset = currentViewAssetIndex >= 0 ? assets[currentViewAssetIndex] : undefined;
+      }
+
+      if (!asset) {
+        return false;
       }
 
       await navigateToAsset(asset);
+      return true;
     } catch (error) {
       handleError(error, $t('errors.cannot_navigate_previous_asset'));
+      return false;
     }
   };
 
@@ -372,6 +410,7 @@
       onAction={handleAction}
       onPrevious={handlePrevious}
       onNext={handleNext}
+      onRandom={handleRandom}
       onClose={() => {
         assetViewingStore.showAssetViewer(false);
         handlePromiseError(navigate({ targetRoute: 'current', assetId: null }));

diff --git a/web/src/lib/components/utilities-page/duplicates/duplicates-compare-control.svelte b/web/src/lib/components/utilities-page/duplicates/duplicates-compare-control.svelte
@@ -41,6 +41,34 @@
     assetViewingStore.showAssetViewer(false);
   });
 
+  const onNext = () => {
+    const index = getAssetIndex($viewingAsset.id) + 1;
+    if (index >= assets.length) {
+      return Promise.resolve(false);
+    }
+    setAsset(assets[index]);
+    return Promise.resolve(true);
+  };
+
+  const onPrevious = () => {
+    const index = getAssetIndex($viewingAsset.id) - 1;
+    if (index < 0) {
+      return Promise.resolve(false);
+    }
+    setAsset(assets[index]);
+    return Promise.resolve(true);
+  };
+
+  const onRandom = () => {
+    if (assets.length <= 0) {
+      return Promise.resolve(null);
+    }
+    const index = Math.floor(Math.random() * assets.length);
+    const asset = assets[index];
+    setAsset(asset);
+    return Promise.resolve(asset);
+  };
+
   const onSelectAsset = (asset: AssetResponseDto) => {
     if (selectedAssetIds.has(asset.id)) {
       selectedAssetIds.delete(asset.id);
@@ -152,14 +180,9 @@
       <AssetViewer
         asset={$viewingAsset}
         showNavigation={assets.length > 1}
-        onNext={() => {
-          const index = getAssetIndex($viewingAsset.id) + 1;
-          setAsset(assets[index % assets.length]);
-        }}
-        onPrevious={() => {
-          const index = getAssetIndex($viewingAsset.id) - 1 + assets.length;
-          setAsset(assets[index % assets.length]);
-        }}
+        {onNext}
+        {onPrevious}
+        {onRandom}
         onClose={() => {
           assetViewingStore.showAssetViewer(false);
           handlePromiseError(navigate({ targetRoute: 'current', assetId: null }));

diff --git a/web/src/lib/stores/asset-viewing.store.ts b/web/src/lib/stores/asset-viewing.store.ts
@@ -15,9 +15,10 @@ function createAssetViewingStore() {
     viewState.set(true);
   };
 
-  const setAssetId = async (id: string) => {
+  const setAssetId = async (id: string): Promise<AssetResponseDto> => {
     const asset = await getAssetInfo({ id, key: getKey() });
     setAsset(asset);
+    return asset;
   };
 
   const showAssetViewer = (show: boolean) => {

diff --git a/web/src/routes/(user)/map/[[photos=photos]]/[[assetId=id]]/+page.svelte b/web/src/routes/(user)/map/[[photos=photos]]/[[assetId=id]]/+page.svelte
@@ -107,14 +107,28 @@
     if (viewingAssetCursor < viewingAssets.length - 1) {
       await setAssetId(viewingAssets[++viewingAssetCursor]);
       await navigate({ targetRoute: 'current', assetId: $viewingAsset.id });
+      return true;
     }
+    return false;
   }
 
   async function navigatePrevious() {
     if (viewingAssetCursor > 0) {
       await setAssetId(viewingAssets[--viewingAssetCursor]);
       await navigate({ targetRoute: 'current', assetId: $viewingAsset.id });
+      return true;
     }
+    return false;
+  }
+
+  async function navigateRandom() {
+    if (viewingAssets.length <= 0) {
+      return null;
+    }
+    const index = Math.floor(Math.random() * viewingAssets.length);
+    const asset = await setAssetId(viewingAssets[index]);
+    await navigate({ targetRoute: 'current', assetId: $viewingAsset.id });
+    return asset;
   }
 </script>
 
@@ -132,6 +146,7 @@
           showNavigation={viewingAssets.length > 1}
           onNext={navigateNext}
           onPrevious={navigatePrevious}
+          onRandom={navigateRandom}
           onClose={() => {
             assetViewingStore.showAssetViewer(false);
             handlePromiseError(navigate({ targetRoute: 'current', assetId: null }));