Feature: add emergency image backup. If uploading images fails, they are saved into local storage and uploaded later on. Part of #2111, but also #2342

src/UI/Image/FailedImage.svelte

@@ -0,0 +1,88 @@
+<script lang="ts">
+  import type { FailedImageArgs } from "../../Logic/ImageProviders/EmergencyImageBackup"
+  import ThemeViewState from "../../Models/ThemeViewState"
+  import EmergencyImageBackup from "../../Logic/ImageProviders/EmergencyImageBackup"
+  import Loading from "../Base/Loading.svelte"
+  import { TrashIcon } from "@babeard/svelte-heroicons/mini"
+  import Popup from "../Base/Popup.svelte"
+  import { UIEventSource } from "../../Logic/UIEventSource"
+  import Page from "../Base/Page.svelte"
+  import BackButton from "../Base/BackButton.svelte"
+  import Tr from "../Base/Tr.svelte"
+  import Translations from "../i18n/Translations"
+
+  let emergencyBackup = EmergencyImageBackup.singleton
+  let isUploading = emergencyBackup.isUploading
+  export let state: ThemeViewState
+  let _state: "idle" | "retrying" | "failed" | "success" = "idle"
+  export let failedImage: FailedImageArgs
+  let confirmDelete = new UIEventSource(false)
+
+  async function retry() {
+    _state = "retrying"
+    const success = await emergencyBackup.retryUploading(state, failedImage)
+    if (success) {
+      _state = "success"
+    } else {
+      _state = "failed"
+    }
+  }
+
+  function del() {
+    emergencyBackup.delete(failedImage)
+  }
+
+  const t = Translations.t
+</script>
+
+<div class="low-interaction rounded border-interactive w-fit p-2 m-1 flex flex-col">
+
+  <img class="max-w-64 w-auto max-h-64 w-auto" src={URL.createObjectURL(failedImage.blob)} />
+  {failedImage.featureId} {failedImage.layoutId}
+  {#if $isUploading || _state === "retrying"}
+    <Loading>
+      <Tr t={t.image.upload.one.uploading} />
+    </Loading>
+  {:else if _state === "idle" || _state === "failed"}
+    <button on:click={() => retry()}>
+      <Tr t={t.failedImages.retry} />
+    </button>
+    {#if _state === "failed"}
+      <span class="alert"><Tr t={t.image.upload.one.failed} /></span>
+    {/if}
+  {:else if _state === "success"}
+    <div class="thanks">
+      <Tr t={t.image.upload.one.done} />
+    </div>
+  {/if}
+  <button class="as-link self-end" on:click={() => {confirmDelete.set(true)}}>
+    <TrashIcon class="w-4" />
+    <Tr t={t.failedImages.delete} />
+  </button>
+  <Popup shown={confirmDelete} dismissable={true}>
+    <Page shown={confirmDelete}>
+      <svelte:fragment slot="header">
+        <TrashIcon class="w-8 m-1" />
+        <Tr t={t.failedImages.confirmDeleteTitle} />
+      </svelte:fragment>
+
+      <div class="flex flex-col ">
+
+        <div class="flex justify-center">
+          <img class="max-w-128 w-auto max-h-128 w-auto" src={URL.createObjectURL(failedImage.blob)} />
+        </div>
+
+        <div class="flex w-full">
+          <BackButton clss="w-full" on:click={() => confirmDelete.set(false)}>
+            <Tr t={t.general.back} />
+          </BackButton>
+          <button on:click={() => del()} class="primary w-full">
+
+            <TrashIcon class="w-8 m-1" />
+            <Tr t={t.failedImages.confirmDelete} />
+          </button>
+        </div>
+      </div>
+    </Page>
+  </Popup>
+</div>

src/UI/Image/FailedImagesView.svelte

@@ -0,0 +1,41 @@
+<script lang="ts">
+  import EmergencyImageBackup from "../../Logic/ImageProviders/EmergencyImageBackup"
+  import ThemeViewState from "../../Models/ThemeViewState"
+  import FailedImage from "./FailedImage.svelte"
+  import { ArrowPathIcon } from "@babeard/svelte-heroicons/mini"
+  import Loading from "../Base/Loading.svelte"
+  import { WithImageState } from "../../Models/ThemeViewState/WithImageState"
+  import Tr from "../Base/Tr.svelte"
+  import Translations from "../i18n/Translations"
+
+  let emergencyBackup = EmergencyImageBackup.singleton
+  let failed = emergencyBackup.failedImages
+  export let state: WithImageState
+  let isUploading = emergencyBackup.isUploading
+
+  const t = Translations.t
+</script>
+
+<div class="m-4 flex flex-col">
+  {#if $failed.length === 0}
+    <Tr t={t.failedImages.noFailedImages} />
+  {:else}
+    <div>
+      <Tr t={t.failedImages.intro} />
+    </div>
+
+    {#if $isUploading}
+      <Loading />
+    {:else}
+      <button class="primary" on:click={() => emergencyBackup.retryAll(state)}>
+        <ArrowPathIcon class="w-8 h-8 m-1" />
+        <Tr t={t.failedImages.retryAll} />
+      </button>
+    {/if}
+    <div class="flex flex-wrap">
+      {#each $failed as failedImage (failedImage.date + failedImage.featureId)}
+        <FailedImage {failedImage} {state} />
+      {/each}
+    </div>
+  {/if}
+</div>

src/UI/Image/UploadImage.svelte

@@ -58,7 +58,9 @@
             "image",
             noBlur,
             feature,
-            ignoreGps
+            {
+              ignoreGps
+            }
           )
           if (!uploadResult) {
             return