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<script lang="ts">
import Button, { Label } from "@smui/button";
import IconButton from "@smui/icon-button";
import Snackbar, { Actions } from "@smui/snackbar";
import FileUpload from "./FileUpload.svelte";
import {
parseDatabaseFile,
parseLabScheduleFile,
parsePTFile,
} from "../logic/EditorActions";
import { labStore, ptStore } from "../stores";
let ptSchedules: FileList | null;
let labSchedule: FileList | null;
let dbFile: FileList | null;
let snackbar;
let snackbarText;
$: {
if (ptSchedules?.length) {
const promises = [...ptSchedules].map((file) => parsePTFile(file));
Promise.allSettled(promises)
.then((results) =>
results.flatMap((result) => {
if (result.status === "fulfilled") {
ptStore.update((val) => val.set(result.value.id, result.value));
return [];
} else {
return [result];
}
})
)
.then((failed) => {
if (failed.length) {
snackbarText = `Failed to add ${failed.length} PTs. See console for details.`;
snackbar.open();
}
});
}
}
$: {
if (labSchedule?.length) {
parseLabScheduleFile(labSchedule[0])
.then((labs) => {
labStore.update(() => new Map(labs.map((lab) => [lab.id, lab])));
})
.catch(() => {
snackbarText =
"Failed to import lab schedule. See console for details.";
snackbar.open();
});
}
}
$: {
if (dbFile?.length) {
parseDatabaseFile(dbFile[0])
.then((database) => {
labStore.set(database.labs);
ptStore.set(database.peerTeachers);
})
.catch(() => {
snackbarText = "Failed to import database. See console for details.";
snackbar.open();
});
}
}
function exportDB() {
const peerTeachers = [...$ptStore.values()];
const labs = [...$labStore.values()];
const database = {
labs: labs,
peerTeachers: peerTeachers,
};
const dbObj = JSON.stringify(database, (_, value) => {
// Need to manually convert the PeerTeacher objects'
// `labs` set to an array because `JSON.stringify` doesn't
// support "stringing" it out of the box
if (typeof value === "object" && value instanceof Set) {
return [...value];
}
return value;
});
const blob = new Blob([dbObj], { type: "text/json" });
const anchor = document.createElement("a");
const url = window.URL.createObjectURL(blob);
anchor.href = url;
anchor.download = "pt-db.json";
anchor.style.display = "none";
document.body.appendChild(anchor);
anchor.click();
document.body.removeChild(anchor);
window.URL.revokeObjectURL(url);
}
</script>
<div id="action-bar">
<FileUpload accept="text/plain" multiple={true} bind:files={ptSchedules}>
<Label>Add PT</Label>
</FileUpload>
<FileUpload accept="application/json" bind:files={labSchedule}>
<Label>Import Labs</Label>
</FileUpload>
<FileUpload accept="application/json" bind:files={dbFile}>
<Label>Import DB</Label>
</FileUpload>
<Button variant="raised" ripple={false} on:click={exportDB}>
<Label>Export DB</Label>
</Button>
</div>
<Snackbar bind:this={snackbar} labelText={snackbarText}>
<Label />
<Actions>
<IconButton class="material-icons" title="Dismiss">close</IconButton>
</Actions>
</Snackbar>
<style>
#action-bar {
max-width: 100vw;
overflow-x: auto;
white-space: nowrap;
}
</style>
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