adds trail export

2024-05-05 15:46:17 +02:00
parent 930feda4d6
commit 756a9fa79f
18 changed files with 310 additions and 31 deletions
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -18,6 +18,7 @@
        "crypto-random-string": "^5.0.0",
        "isomorphic-xml2js": "^0.1.3",
        "jspdf": "^2.5.1",
+        "jszip": "^3.10.1",
        "leaflet": "^1.9.4",
        "leaflet-gpx": "^1.7.0",
        "leaflet.awesome-markers": "^2.0.5",
@@ -1884,6 +1885,11 @@
        "url": "https://opencollective.com/core-js"
      }
    },
+    "node_modules/core-util-is": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.3.tgz",
+      "integrity": "sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ=="
+    },
    "node_modules/cross-fetch": {
      "version": "3.1.8",
      "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-3.1.8.tgz",
@@ -2879,6 +2885,11 @@
        "node": ">=0.10.0"
      }
    },
+    "node_modules/immediate": {
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/immediate/-/immediate-3.0.6.tgz",
+      "integrity": "sha512-XXOFtyqDjNDAQxVfYxuF7g9Il/IbWmmlQg2MYKOH8ExIT1qg6xc4zyS3HaEEATgs1btfzxq15ciUiY7gjSXRGQ=="
+    },
    "node_modules/import-fresh": {
      "version": "3.3.0",
      "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.3.0.tgz",
@@ -3442,6 +3453,22 @@
      "integrity": "sha512-kY1AZVr2Ra+t+piVaJ4gxaFaReZVH40AKNo7UCX6W+dEwBo/2oZJzqfuN1qLq1oL45o56cPaTXELwrTh8Fpggg==",
      "optional": true
    },
+    "node_modules/jszip": {
+      "version": "3.10.1",
+      "resolved": "https://registry.npmjs.org/jszip/-/jszip-3.10.1.tgz",
+      "integrity": "sha512-xXDvecyTpGLrqFrvkrUSoxxfJI5AH7U8zxxtVclpsUtMCq4JQ290LY8AW5c7Ggnr/Y/oK+bQMbqK2qmtk3pN4g==",
+      "dependencies": {
+        "lie": "~3.3.0",
+        "pako": "~1.0.2",
+        "readable-stream": "~2.3.6",
+        "setimmediate": "^1.0.5"
+      }
+    },
+    "node_modules/jszip/node_modules/pako": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.11.tgz",
+      "integrity": "sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw=="
+    },
    "node_modules/kleur": {
      "version": "4.1.5",
      "resolved": "https://registry.npmjs.org/kleur/-/kleur-4.1.5.tgz",
@@ -3465,6 +3492,14 @@
      "resolved": "https://registry.npmjs.org/leaflet.awesome-markers/-/leaflet.awesome-markers-2.0.5.tgz",
      "integrity": "sha512-Ne/xDjkGyaujwNVVkv2tyXQUV0ZW7gZ0Mo0FuQY4jp2qWrvXi0hwDBvmZyF/8YOvybyMabTMM/mFWCTd1jZIQA=="
    },
+    "node_modules/lie": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/lie/-/lie-3.3.0.tgz",
+      "integrity": "sha512-UaiMJzeWRlEujzAuw5LokY1L5ecNQYZKfmyZ9L7wDHb/p5etKaxXhohBcrw0EYby+G/NA52vRSN4N39dxHAIwQ==",
+      "dependencies": {
+        "immediate": "~3.0.5"
+      }
+    },
    "node_modules/lilconfig": {
      "version": "2.1.0",
      "resolved": "https://registry.npmjs.org/lilconfig/-/lilconfig-2.1.0.tgz",
@@ -4394,6 +4429,11 @@
        "node": "^14.15.0 || ^16.10.0 || >=18.0.0"
      }
    },
+    "node_modules/process-nextick-args": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
+      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
+    },
    "node_modules/property-expr": {
      "version": "2.0.6",
      "resolved": "https://registry.npmjs.org/property-expr/-/property-expr-2.0.6.tgz",
@@ -4486,6 +4526,25 @@
        "pify": "^2.3.0"
      }
    },
+    "node_modules/readable-stream": {
+      "version": "2.3.8",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.8.tgz",
+      "integrity": "sha512-8p0AUk4XODgIewSi0l8Epjs+EVnWiK7NoDIEGU0HhE7+ZyY8D1IMY7odu5lRrFXGg71L15KG8QrPmum45RTtdA==",
+      "dependencies": {
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.3",
+        "isarray": "~1.0.0",
+        "process-nextick-args": "~2.0.0",
+        "safe-buffer": "~5.1.1",
+        "string_decoder": "~1.1.1",
+        "util-deprecate": "~1.0.1"
+      }
+    },
+    "node_modules/readable-stream/node_modules/isarray": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+      "integrity": "sha512-VLghIWNM6ELQzo7zwmcg0NmTVyWKYjvIeM83yjp0wRDTmUnrM678fQbcKBo6n2CJEF0szoG//ytg+TKla89ALQ=="
+    },
    "node_modules/readdirp": {
      "version": "3.6.0",
      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz",
@@ -4682,6 +4741,11 @@
        "node": ">=6"
      }
    },
+    "node_modules/safe-buffer": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+    },
    "node_modules/safer-buffer": {
      "version": "2.1.2",
      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@@ -4761,6 +4825,11 @@
        "node": ">= 0.4"
      }
    },
+    "node_modules/setimmediate": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz",
+      "integrity": "sha512-MATJdZp8sLqDl/68LfQmbP8zKPLQNV6BIZoIgrscFDQ+RsvK/BxeDQOgyxKKoh0y/8h3BqVFnCqQ/gd+reiIXA=="
+    },
    "node_modules/shebang-command": {
      "version": "2.0.0",
      "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -4884,6 +4953,14 @@
        "node": ">= 0.4"
      }
    },
+    "node_modules/string_decoder": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "dependencies": {
+        "safe-buffer": "~5.1.0"
+      }
+    },
    "node_modules/string-width": {
      "version": "5.1.2",
      "resolved": "https://registry.npmjs.org/string-width/-/string-width-5.1.2.tgz",
@@ -5611,8 +5688,7 @@
    "node_modules/util-deprecate": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
-      "dev": true
+      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="
    },
    "node_modules/utrie": {
      "version": "1.0.2",
--- a/web/package.json
+++ b/web/package.json
@@ -42,6 +42,7 @@
    "crypto-random-string": "^5.0.0",
    "isomorphic-xml2js": "^0.1.3",
    "jspdf": "^2.5.1",
+    "jszip": "^3.10.1",
    "leaflet": "^1.9.4",
    "leaflet-gpx": "^1.7.0",
    "leaflet.awesome-markers": "^2.0.5",
--- a/web/src/hooks.client.ts
+++ b/web/src/hooks.client.ts
@@ -1,8 +1,6 @@
-import type { User } from '$lib/models/user'
-import { pb } from '$lib/pocketbase'
-import { settings_show } from '$lib/stores/settings_store';
-import { currentUser } from '$lib/stores/user_store'
-import { get } from 'svelte/store';
+import type { User } from '$lib/models/user';
+import { pb } from '$lib/pocketbase';
+import { currentUser } from '$lib/stores/user_store';

 pb.authStore.loadFromCookie(document.cookie)
 pb.authStore.onChange(() => {
--- a/web/src/lib/components/trail/trail_dropdown.svelte
+++ b/web/src/lib/components/trail/trail_dropdown.svelte
@@ -9,17 +9,22 @@
    } from "$lib/stores/list_store";
    import { show_toast } from "$lib/stores/toast_store";
    import { trails_delete } from "$lib/stores/trail_store";
-    import { getFileURL } from "$lib/util/file_util";
+    import { trail2gpx } from "$lib/util/gpx_util";
+    import { gpx } from "$lib/vendor/toGeoJSON/toGeoJSON";
+    import { _ } from "svelte-i18n";
    import Dropdown, { type DropdownItem } from "../base/dropdown.svelte";
    import ConfirmModal from "../confirm_modal.svelte";
    import ListSelectModal from "../list/list_select_modal.svelte";
-    import { _ } from "svelte-i18n";
+    import TrailExportModal from "./trail_export_modal.svelte";
+    import JSZip from "jszip";
+    import { getFileURL, saveAs } from "$lib/util/file_util";

    export let trail: Trail;
    export let mode: "overview" | "map";

    let openConfirmModal: () => void;
    let openListSelectModal: () => void;
+    let openExportModal: () => void;

    const dropdownItems: DropdownItem[] = [
        mode == "overview"
@@ -34,7 +39,7 @@
        ...(trail.gpx
            ? [
                  {
-                      text: $_("download-gpx"),
+                      text: $_("export"),
                      value: "download",
                      icon: "download",
                  },
@@ -65,7 +70,7 @@
        } else if (item.value == "print") {
            goto(`/map/trail/${trail.id}/print`);
        } else if (item.value == "download") {
-            downloadURI(getFileURL(trail, trail.gpx), trail.gpx!);
+            openExportModal();
        } else if (item.value == "edit") {
            goto(`/trail/edit/${trail.id}`);
        } else if (item.value == "delete") {
@@ -73,13 +78,46 @@
        }
    }

-    function downloadURI(uri: string, name: string) {
-        var link = document.createElement("a");
-        link.setAttribute("download", name);
-        link.href = uri;
-        document.body.appendChild(link);
-        link.click();
-        link.remove();
+    async function exportTrail(exportSettings: {
+        fileFormat: "gpx" | "json";
+        photos: boolean;
+        summitLog: boolean;
+    }) {
+        try {
+            let fileData: string = await trail2gpx(trail);            
+            if (exportSettings.fileFormat == "json") {
+                fileData = JSON.stringify(gpx(new DOMParser().parseFromString(fileData, "text/xml")));
+            }
+            const zip = new JSZip();
+            zip.file(`${trail.name}.${exportSettings.fileFormat}`, fileData);
+            if (exportSettings.photos) {
+                const photoFolder = zip.folder($_("photos"));
+                for (const photo of trail.photos) {
+                    const photoURL = getFileURL(trail, photo);
+                    const photoBlob = await fetch(photoURL).then((response) =>
+                        response.blob(),
+                    );
+                    const photoData = new File([photoBlob], photo);
+                    photoFolder?.file(photo, photoData, { base64: true });
+                }
+            }
+            if(exportSettings.summitLog) {
+                let summitLogString = ""
+                for (const summitLog of trail.expand.summit_logs) {
+                    summitLogString += `${summitLog.date},${summitLog.text}\n`
+                }
+                zip.file(`${trail.name} - ${$_("summit-book")}.csv`, summitLogString)
+            }
+            const blob = await zip.generateAsync({ type: "blob" });
+            saveAs(blob, `${trail.name}.zip`);
+        } catch (e) {
+            console.error(e);
+            show_toast({
+                type: "error",
+                icon: "close",
+                text: $_("error-exporting-trail"),
+            });
+        }
    }

    async function deleteTrail() {
@@ -137,3 +175,7 @@
    bind:openModal={openListSelectModal}
    on:change={(e) => handleListSelection(e.detail)}
 ></ListSelectModal>
+<TrailExportModal
+    bind:openModal={openExportModal}
+    on:export={(e) => exportTrail(e.detail)}
+></TrailExportModal>
--- a/web/src/lib/components/trail/trail_export_modal.svelte
+++ b/web/src/lib/components/trail/trail_export_modal.svelte
@@ -0,0 +1,80 @@
+<script lang="ts">
+    import Modal from "$lib/components/base/modal.svelte";
+    import { createEventDispatcher } from "svelte";
+    import { _ } from "svelte-i18n";
+    import Select from "../base/select.svelte";
+
+    export let openModal: (() => void) | undefined = undefined;
+    export let closeModal: (() => void) | undefined = undefined;
+
+    const dispatch = createEventDispatcher();
+
+
+    const fileFormats = [
+        { text: "GPX", value: "gpx" },
+        { text: "GeoJSON", value: "json" },
+    ];
+
+    const exportSettings = {
+        fileFormat: "gpx",
+        photos: false,
+        summitLog: false,
+    };
+
+
+    function exportTrail() {
+        dispatch("export", exportSettings);
+        closeModal!();
+    }
+</script>
+
+<Modal
+    id="export-modal"
+    title="Export trail"
+    size="max-w-sm"
+    bind:openModal
+    bind:closeModal
+>
+    <div slot="content">
+        <div class="mb-3">
+            <Select
+                bind:value={exportSettings.fileFormat}
+                items={fileFormats}
+                label={$_("file-format")}
+            ></Select>
+        </div>
+        <div class="mb-2">
+            <input
+                id="include-photos-checkbox"
+                type="checkbox"
+                bind:checked={exportSettings.photos}
+                class="w-4 h-4 bg-input-background accent-primary border-input-border focus:ring-input-ring focus:ring-2"
+            />
+            <label for="include-photos-checkbox" class="ms-2 text-sm"
+                >{$_("photos")}</label
+            >
+        </div>
+        <div class="mb-2">
+            <input
+                id="include-summit-log-checkbox"
+                type="checkbox"
+                bind:checked={exportSettings.summitLog}
+                class="w-4 h-4 bg-input-background accent-primary border-input-border focus:ring-input-ring focus:ring-2"
+            />
+            <label for="include-summit-log-checkbox" class="ms-2 text-sm"
+                >{$_("summit-book")}</label
+            >
+        </div>
+    </div>
+    <div slot="footer" class="flex items-center gap-4">
+        <button class="btn-secondary" on:click={closeModal}
+            >{$_("cancel")}</button
+        >
+        <button
+            class="btn-primary"
+            type="button"
+            on:click={exportTrail}
+            name="save">{$_("export")}</button
+        >
+    </div></Modal
+>
--- a/web/src/lib/i18n/locales/de.json
+++ b/web/src/lib/i18n/locales/de.json
@@ -55,12 +55,15 @@
  "entry": "Eintrag",
  "error-creating-user": "Fehler beim Erstellen des Nutzers",
  "error-during-login": "Fehler beim Login",
+  "error-exporting-trail": "Fehler beim Exportieren des Trails",
  "error-printing-map": "Fehler beim Drucken der Karte",
  "error-reading-file": "Fehler beim Lesen der Datei",
  "est-duration": "Gesch. Dauer",
  "explore": "Erkunden",
  "explore-some-trails": "Erkunden Sie einige Routen",
+  "export": "Exportieren",
  "features": "Features",
+  "file-format": "Dateiformat",
  "french": "Französisch",
  "german": "Deutsch",
  "grid": "Gitter",
--- a/web/src/lib/i18n/locales/en.json
+++ b/web/src/lib/i18n/locales/en.json
@@ -55,12 +55,15 @@
  "entry": "Entry",
  "error-creating-user": "Error creating user",
  "error-during-login": "Error during login",
+  "error-exporting-trail": "Error exporting trail",
  "error-printing-map": "Error printing map",
  "error-reading-file": "Error reading file",
  "est-duration": "Est. duration",
  "explore": "Explore",
  "explore-some-trails": "Explore some trails",
+  "export": "Export",
  "features": "Features",
+  "file-format": "File format",
  "french": "French",
  "german": "German",
  "grid": "Grid",
--- a/web/src/lib/i18n/locales/fr.json
+++ b/web/src/lib/i18n/locales/fr.json
@@ -55,12 +55,15 @@
  "entry": "Entrée",
  "error-creating-user": "Erreur durant la création de l'utilisateur",
  "error-during-login": "Erreur durant la connexion",
+  "error-exporting-trail": "",
  "error-printing-map": "Erreur d'impression de la carte",
  "error-reading-file": "Erreur de lecture du fichier",
  "est-duration": "Temps estimé",
  "explore": "Explorer",
  "explore-some-trails": "Explorer certains itinéraires",
+  "export": "",
  "features": "Fonctionnalités",
+  "file-format": "",
  "french": "Français",
  "german": "Allemand",
  "grid": "Grille",
--- a/web/src/lib/i18n/locales/hu.json
+++ b/web/src/lib/i18n/locales/hu.json
@@ -55,12 +55,15 @@
  "entry": "Bejegyzés",
  "error-creating-user": "Hiba felhasználó hozzáadása közben",
  "error-during-login": "Hiba bejelentkezés közben",
+  "error-exporting-trail": "",
  "error-printing-map": "",
  "error-reading-file": "Hiba a fájl olvasása közben",
  "est-duration": "Becsült időtartam",
  "explore": "Felfedezés",
  "explore-some-trails": "Fedezzen fel néhány ösvényt",
+  "export": "",
  "features": "Jellemzők",
+  "file-format": "",
  "french": "Francia",
  "german": "Német",
  "grid": "",
--- a/web/src/lib/i18n/locales/nl.json
+++ b/web/src/lib/i18n/locales/nl.json
@@ -55,12 +55,15 @@
  "entry": "Item",
  "error-creating-user": "Het account kan niet worden aangemaakt",
  "error-during-login": "Het inloggen is mislukt",
+  "error-exporting-trail": "",
  "error-printing-map": "Fout bij afdrukken van kaart",
  "error-reading-file": "Het bestand kan niet worden ingelezen",
  "est-duration": "Geschatte duur",
  "explore": "Verkennen",
  "explore-some-trails": "Verken enkele wandelroutes",
+  "export": "",
  "features": "Kenmerken",
+  "file-format": "",
  "french": "Frans",
  "german": "Duits",
  "grid": "Rooster",
--- a/web/src/lib/i18n/locales/pl.json
+++ b/web/src/lib/i18n/locales/pl.json
@@ -55,12 +55,15 @@
  "entry": "Pozycja",
  "error-creating-user": "Błąd tworzenia użytkownika",
  "error-during-login": "Błąd podczas logowania",
+  "error-exporting-trail": "",
  "error-printing-map": "",
  "error-reading-file": "Błąd wczytywania pliku",
  "est-duration": "Szacowany czas",
  "explore": "Eksploruj",
  "explore-some-trails": "Eksploruj różne ścieżki",
+  "export": "",
  "features": "Funkcje",
+  "file-format": "",
  "french": "Francuski",
  "german": "Niemiecki",
  "grid": "",
--- a/web/src/lib/i18n/locales/pt.json
+++ b/web/src/lib/i18n/locales/pt.json
@@ -55,12 +55,15 @@
  "entry": "Entrada",
  "error-creating-user": "Erro ao criar usuário",
  "error-during-login": "Erro durante o login",
+  "error-exporting-trail": "",
  "error-printing-map": "",
  "error-reading-file": "Erro ao ler o arquivo",
  "est-duration": "Duração prevista",
  "explore": "Explorar",
  "explore-some-trails": "Explore algumas trilhas",
+  "export": "",
  "features": "Características",
+  "file-format": "",
  "french": "Francês",
  "german": "Alemão",
  "grid": "",
--- a/web/src/lib/i18n/locales/zh.json
+++ b/web/src/lib/i18n/locales/zh.json
@@ -55,12 +55,15 @@
  "entry": "日程",
  "error-creating-user": "创建用户错误",
  "error-during-login": "登录错误",
+  "error-exporting-trail": "",
  "error-printing-map": "",
  "error-reading-file": "读取文件错误",
  "est-duration": "预计时长",
  "explore": "探索",
  "explore-some-trails": "探索行程",
+  "export": "",
  "features": "特性",
+  "file-format": "",
  "french": "法语",
  "german": "德语",
  "grid": "",
--- a/web/src/lib/models/gpx/metadata.ts
+++ b/web/src/lib/models/gpx/metadata.ts
@@ -8,7 +8,7 @@ export default class Metadata {
  desc: string;
  time: Date;
  keywords: string;
-  extensions: string;
+  extensions?: string;
  author?: Person;
  link?: Link[];
  bounds?: Bounds;
@@ -18,7 +18,7 @@ export default class Metadata {
    desc: string,
    time: string,
    keywords: string,
-    extensions: string,
+    extensions?: string,
    author?: Person,
    link?: Link | Link[],
    bounds?: Bounds,
--- a/web/src/lib/models/trail.ts
+++ b/web/src/lib/models/trail.ts
@@ -61,7 +61,7 @@ class Trail {
        this.id = params?.id;
        this.name = name;
        this.location = params?.location;
-        this.date = params?.date;
+        this.date = params?.date ?? new Date().toISOString().split('T')[0];
        this.public = params?.public ?? false
        this.distance = params?.distance;
        this.elevation_gain = params?.elevation_gain;
--- a/web/src/lib/util/file_util.ts
+++ b/web/src/lib/util/file_util.ts
@@ -17,3 +17,14 @@ export function readAsDataURLAsync(file: File) {
        fr.readAsDataURL(file);
    });
 }
+
+export function saveAs(data: Blob, fileName: string) {
+    var a = document.createElement("a") as HTMLAnchorElement;
+    a.setAttribute("style", "display: none");
+    document.body.appendChild(a);
+    const url = window.URL.createObjectURL(data);
+    a.href = url;
+    a.download = fileName;
+    a.click();
+    window.URL.revokeObjectURL(url);
+};
--- a/web/src/lib/util/gpx_util.ts
+++ b/web/src/lib/util/gpx_util.ts
@@ -1,9 +1,11 @@
 import GPX from "$lib/models/gpx/gpx";
 import { Trail } from "$lib/models/trail";
 import { Waypoint } from "$lib/models/waypoint";
+import { currentUser } from "$lib/stores/user_store";
 import GeoJsonToGpx from "$lib/vendor/geoJSONToGPX";
 import { kml, tcx } from "$lib/vendor/toGeoJSON/toGeoJSON";
 import cryptoRandomString from "crypto-random-string";
+import { get } from "svelte/store";

 export async function gpx2trail(gpxString: string) {
    const gpx = await GPX.parse(gpxString);
@@ -52,6 +54,43 @@ export async function gpx2trail(gpxString: string) {
    return { gpx: gpx, trail: trail }
 }

+export async function trail2gpx(trail: Trail) {
+    if (!trail.expand.gpx_data) {
+        throw Error("Trail has no GPX data")
+    }
+    const gpx = await GPX.parse(trail.expand.gpx_data) as GPX;
+
+    if (gpx instanceof Error) {
+        throw gpx;
+    }
+
+    gpx.metadata = {
+        name: trail.name,
+        desc: trail.description ?? "",
+        time: trail.date ? new Date(trail.date) : new Date(),
+        keywords: `${trail.category ?? ""}, ${trail.location ?? ""}`,
+        author: { name: trail.author ?? "", email: get(currentUser)?.email ?? "" }
+    }
+
+    if(!gpx.wpt) {
+        gpx.wpt = [];
+    }
+
+    for (const wp of trail.expand.waypoints) {
+        const gpxWpt = gpx.wpt.find((w) => w.$.lat == wp.lat && w.$.lon == wp.lon)
+        if(!gpxWpt) {
+            gpx.wpt.push({
+                $: {
+                    lat: wp.lat,
+                    lon: wp.lon
+                }
+            })
+        }
+    }
+
+    return gpx.toString();
+}
+
 export function fromKML(kmlData: string) {
    const geojson = kml(new DOMParser().parseFromString(kmlData, "text/xml"))
    const options = {
--- a/web/src/routes/trail/edit/[id]/+page.svelte
+++ b/web/src/routes/trail/edit/[id]/+page.svelte
@@ -101,9 +101,9 @@
    });

    const modesOfTransport = [
-        { text: $_('hiking'), value: "pedestrian" },
-        { text: $_('cycling'), value: "bicycle" },
-        { text: $_('driving'), value: "auto" },
+        { text: $_("hiking"), value: "pedestrian" },
+        { text: $_("cycling"), value: "bicycle" },
+        { text: $_("driving"), value: "auto" },
    ];
    let selectedModeOfTransport = modesOfTransport[0].value;

@@ -385,6 +385,11 @@
        savedWaypoint.marker = marker;
    }

+    function beforSummitLogModalOpen() {
+        summitLog.set(new SummitLog(new Date().toISOString().split('T')[0]));
+        openSummitLogModal();
+    }
+
    function saveSummitLog(e: CustomEvent<SummitLog>) {
        const savedSummitLog = e.detail;
        let editedSummitLogIndex = $form.expand.summit_logs.findIndex(
@@ -791,7 +796,7 @@
        <button
            class="btn-secondary"
            type="button"
-            on:click={openSummitLogModal}
+            on:click={beforSummitLogModalOpen}
            ><i class="fa fa-plus mr-2"></i>{$_("add-entry")}</button
        >
        {#if $lists.length}
@@ -846,7 +851,10 @@
            >
                <Toggle bind:value={autoRouting} label="Enable auto-routing"
                ></Toggle>
-                <Select items={modesOfTransport} bind:value={selectedModeOfTransport} disabled={!autoRouting}
+                <Select
+                    items={modesOfTransport}
+                    bind:value={selectedModeOfTransport}
+                    disabled={!autoRouting}
                ></Select>
            </div>
        {/if}