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<script>
import { btc, f, sat, post } from "$lib/utils";
import { browser } from "$app/environment";
import { goto, invalidate } from "$app/navigation";
import { fade } from "svelte/transition";
import { cubicIn } from "svelte/easing";
import { flip } from "svelte/animate";
import {
dndzone,
SHADOW_ITEM_MARKER_PROPERTY_NAME,
SOURCES,
TRIGGERS,
} from "svelte-dnd-action";
import DeleteItem from "$comp/DeleteItem.svelte";
import Icon from "$comp/Icon.svelte";
export let subject, user, items, total, rate, currency;
let flipDurationMs = 200;
let dropTargetStyle = {};
let dragDisabled =
subject?.id !== user?.id || (browser && window.innerWidth < 768);
let deleting;
let del = (item) => {
deleting = item;
};
function handleConsider(e) {
const {
items: newItems,
info: { source, trigger },
} = e.detail;
items = newItems;
if (source === SOURCES.KEYBOARD && trigger === TRIGGERS.DRAG_STOPPED)
reset();
}
async function handleFinalize(e) {
const {
items: newItems,
info: { source },
} = e.detail;
items = newItems;
if (source === SOURCES.POINTER) reset();
if (subject?.id === user?.id) {
await post("/api/items/sort", { items });
invalidate("app:items");
}
}
function startDrag(e) {
e.preventDefault();
dragDisabled = false;
}
function handleKeyDown(e) {
if ((e.key === "Enter" || e.key === " ") && dragDisabled)
dragDisabled = false;
}
$: if (total > 0 && browser) {
let payButton = document.querySelector("#payButton");
if (payButton) payButton.addEventListener("click", checkout);
}
let checkout = async () => {
let invoice = {
type: "lightning",
amount: btc(total, rate),
currency,
items: items.filter((i) => i.quantity > 0),
prompt: subject.prompt,
memoPrompt: subject.memoPrompt,
rate,
};
let { id } = await post(`/${subject.username}/invoice`, {
invoice,
user: { username: subject.username },
});
if (invoice.memoPrompt) {
return goto(`/${subject.username}/invoice/${id}/memo`);
}
goto(`/${subject.username}/invoice/${id}`);
};
let reset = () =>
(dragDisabled =
user?.username !== subject?.username || window.innerWidth < 768);
</script>
<svelte:window on:resize={reset} />
{#if deleting}
<DeleteItem bind:item={deleting} />
{/if}
{#if items.length}
<h2 class="text-2xl font-bold">Select items</h2>
{/if}
<div
class="grid sm:grid-cols-2 gap-4 pb-20"
use:dndzone={{ items, flipDurationMs, dropTargetStyle, dragDisabled }}
on:consider={handleConsider}
on:finalize={handleFinalize}
>
{#each items as i (i.id)}
<button
type="button"
class="w-full text-center cursor-pointer hover:opacity-80 mb-auto"
on:click={() => i.quantity++}
>
<div class="relative w-full h-64 overflow-hidden rounded-xl">
{#if i[SHADOW_ITEM_MARKER_PROPERTY_NAME]}
<div
in:fade={{ duration: 200, easing: cubicIn }}
class="custom-shadow-item"
/>
{:else if i.image}
<img
src={`/api/public/${i.image}.webp`}
alt={i.name}
class="mx-auto object-cover h-full w-full"
/>
{:else}
<div
class="bg-gradient-to-r from-primary to-gradient mb-4 cursor-pointer hover:opacity-80 w-full h-full"
alt="Banner"
/>
{/if}
{#if user?.username === subject.username}
<div class="flex gap-2 justify-center absolute top-2 right-2">
<button type="button" on:click|stopPropagation={() => {}}>
<a href={`/${user.username}/items/${i.id}`}>
<button
class="bg-black rounded-full w-12 h-12 bg-opacity-40 hover:bg-opacity-100"
>
<Icon icon="edit" style="w-8 mx-auto invert" />
</button>
</a>
</button>
<button
class="bg-black rounded-full w-12 h-12 bg-opacity-40 hover:bg-opacity-100"
on:click|stopPropagation={() => del(i)}
>
<Icon icon="trash" style="w-8 mx-auto invert" />
</button>
<button
type="button"
on:click|stopPropagation={() => {}}
class="sm:hidden"
on:mousedown={startDrag}
on:touchstart={startDrag}
on:keydown={handleKeyDown}
>
<a href={`/${user.username}/items/${i.id}`}>
<button
class="bg-black rounded-full w-12 h-12 bg-opacity-40 hover:bg-opacity-100"
>
<Icon icon="move" style="w-8 mx-auto invert" />
</button>
</a>
</button>
</div>
{/if}
</div>
<div class="bg-white rounded-xl py-2">
<div class="flex text-left gap-2">
<div class="overflow-hidden space-y-1">
<div class="text-2xl break-words">{i.name}</div>
<div class="flex gap-2">
<div class="font-semibold text-lg">
{f(i.price, currency)}
</div>
<div class="text-secondary my-auto">
{sat(btc(i.price, rate))}
</div>
</div>
</div>
<div class="flex gap-1 ml-auto mb-auto justify-around tabular-nums">
{#if i.quantity}
<button
type="button"
on:click|stopPropagation={() => i.quantity > 0 && i.quantity--}
>
<Icon icon="minus" style="w-10 min-w-10" />
</button>
{/if}
<div class="text-2xl my-auto text-center">
{#if i.quantity}{i.quantity}{:else}—{/if}
</div>
{#if i.quantity}
<button
type="button"
on:click|stopPropagation={() => i.quantity++}
>
<Icon icon="plus" style="w-10 min-w-10" />
</button>
{/if}
</div>
</div>
</div>
</button>
{/each}
</div>
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