Add funding goals

src/app/components/GoalSummary.svelte

@@ -0,0 +1,49 @@
+<script lang="ts">
+  import {now, DAY, uniq, sum} from "@welshman/lib"
+  import type {Zap, TrustedEvent} from "@welshman/util"
+  import {getTagValue, fromMsats, ZAP_RESPONSE} from "@welshman/util"
+  import {deriveEventsMapped} from "@welshman/store"
+  import {repository, getValidZap} from "@welshman/app"
+  import Icon from "@lib/components/Icon.svelte"
+  import ZapButton from "@app/components/ZapButton.svelte"
+
+  type Props = {
+    url: string
+    event: TrustedEvent
+  }
+
+  const {url, event}: Props = $props()
+
+  const zaps = deriveEventsMapped<Zap>(repository, {
+    filters: [{kinds: [ZAP_RESPONSE], "#e": [event.id]}],
+    itemToEvent: item => item.response,
+    eventToItem: (response: TrustedEvent) => getValidZap(response, event),
+  })
+
+  const goalAmount = parseInt(getTagValue("amount", event.tags) || "0")
+  const zapAmount = $derived(fromMsats(sum($zaps.map(zap => zap.invoiceAmount))))
+  const contributorsCount = $derived(uniq($zaps.map(zap => zap.request.pubkey)).length)
+  const daysOld = Math.ceil((now() - event.created_at) / DAY)
+</script>
+
+<div class="card2 bg-alt flex flex-col gap-8">
+  <div class="flex gap-8">
+    <div>
+      <p class="text-xl text-primary">{zapAmount} sats</p>
+      <p class="text-sm opacity-75">funded of {goalAmount} sats</p>
+    </div>
+    <div>
+      <p class="text-xl">{contributorsCount}</p>
+      <p class="text-sm opacity-75">{contributorsCount === 1 ? "contributor" : "contributors"}</p>
+    </div>
+    <div>
+      <p class="text-xl">{daysOld}</p>
+      <p class="text-sm opacity-75">{daysOld === 1 ? "day" : "days"} old</p>
+    </div>
+  </div>
+  <progress class="progress progress-primary" value={zapAmount} max={goalAmount}></progress>
+  <ZapButton {url} {event} class="btn btn-primary lg:m-auto lg:px-20">
+    <Icon icon="bolt" />
+    Contribute to this goal
+  </ZapButton>
+</div>