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kaangiray26
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| <template> | ||
| <div class="card border-0"> | ||
| <div class="card-body p-3"> | ||
| <div class="d-flex flex-column rounded theme-shadow"> | ||
| <h6 class="fw-bold m-0 px-3 pt-3">Backup Utility</h6> | ||
| <div class="d-flex flex-column p-3"> | ||
| <div class="d-flex justify-content-between"> | ||
| <button type="button" class="btn btn-dark text-light p-2 flex-fill me-1" @click="save_backup">Export | ||
| backup</button> | ||
| <button type="button" class="btn btn-dark text-light p-2 flex-fill ms-1" | ||
| @click="prompt_backup">Import | ||
| backup</button> | ||
| </div> | ||
| </div> | ||
| <div v-if="img_visible"> | ||
| <div class="d-flex flex-column p-3 pt-0"> | ||
| <span class="text-muted mb-2">Save this image to your device.</span> | ||
| <div class="d-flex square"> | ||
| <img :src="img_src" class="img-post rounded theme-shadow" @contextmenu="save_image"> | ||
| </div> | ||
| </div> | ||
| </div> | ||
| <input type="file" id="upload" @change="load_backup" hidden> | ||
| <div v-if="message_visible" class="p-3 pt-0"> | ||
| <div class="bg-light border rounded p-3"> | ||
| <span class="fw-bold text-muted">Backup imported successfully!</span> | ||
| </div> | ||
| </div> | ||
| </div> | ||
| </div> | ||
| </div> | ||
| </template> | ||
|
|
||
| <script setup> | ||
| import { onActivated, ref } from 'vue'; | ||
| import { Filesystem, Directory } from '@capacitor/filesystem'; | ||
| import { Share } from '@capacitor/share'; | ||
| const pos = 9424; | ||
| const img_src = ref(null); | ||
| const img_visible = ref(false); | ||
| const message_visible = ref(false); | ||
| async function save_image() { | ||
| let photo = await Filesystem.writeFile({ | ||
| path: `endless_backup_${Date.now()}.png`, | ||
| data: img_src.value, | ||
| directory: Directory.External, | ||
| }); | ||
| await Share.share({ | ||
| url: photo.uri, | ||
| }); | ||
| } | ||
| async function save_backup() { | ||
| img_visible.value = false; | ||
| message_visible.value = false; | ||
| // Prepare our data | ||
| let upvoted = JSON.parse(localStorage.getItem("upvoted")); | ||
| let commented = JSON.parse(localStorage.getItem("commented")); | ||
| let data = JSON.stringify({ | ||
| upvoted: upvoted, | ||
| commented: commented, | ||
| }); | ||
| // Convert data into Uint8Array | ||
| let b_data = new TextEncoder().encode(data); | ||
| // Read sample png file | ||
| let b_sample = await fetch("/images/bitmap.png") | ||
| .then(res => res.blob()) | ||
| .then(blob => blob.arrayBuffer()) | ||
| .then(buffer => new Uint8Array(buffer)) | ||
| .catch(err => null); | ||
| // Combine sample, magic numbers and our data | ||
| let combined = new Uint8Array(b_sample.length + b_data.length); | ||
| combined.set(b_sample); | ||
| combined.set(b_data, b_sample.length); | ||
| // Convert to blob | ||
| let blob = new Blob([combined], { type: "image/png" }); | ||
| // Convert to base64 | ||
| let reader = new FileReader(); | ||
| reader.readAsDataURL(blob); | ||
| reader.onloadend = () => { | ||
| img_src.value = reader.result; | ||
| img_visible.value = true; | ||
| } | ||
| } | ||
| async function prompt_backup() { | ||
| img_visible.value = false; | ||
| message_visible.value = false; | ||
| document.getElementById("upload").click(); | ||
| } | ||
| async function load_backup(obj) { | ||
| // Get file | ||
| let file = obj.target.files[0]; | ||
| if (!file) return; | ||
| // Read file as array buffer | ||
| let buffer = await file.arrayBuffer(); | ||
| let arr = new Uint8Array(buffer); | ||
| // Get our data after position | ||
| let data = arr.slice(pos); | ||
| // Convert to string | ||
| let str = new TextDecoder().decode(data); | ||
| // Parse data | ||
| let parsed = JSON.parse(str); | ||
| // Save data | ||
| localStorage.setItem("upvoted", JSON.stringify(parsed.upvoted)); | ||
| localStorage.setItem("commented", JSON.stringify(parsed.commented)); | ||
| // Show message | ||
| message_visible.value = true; | ||
| } | ||
| onActivated(() => { | ||
| img_visible.value = false; | ||
| message_visible.value = false; | ||
| }) | ||
| </script> |
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