feat: add ability to manually scrobble track (#91)

* feat: add button to manually scrobble from ui

* fix: ensure timestamp is in the past, log fix

* test: add integration test

client/app/components/modals/AddListenModal.tsx

@@ -0,0 +1,57 @@
+import { useState } from "react";
+import { Modal } from "./Modal";
+import { AsyncButton } from "../AsyncButton";
+import { submitListen } from "api/api";
+import { useNavigate } from "react-router";
+
+interface Props {
+    open: boolean 
+    setOpen: Function
+    trackid: number
+}
+
+export default function AddListenModal({ open, setOpen, trackid }: Props) {
+    const [ts, setTS] = useState<Date>(new Date);
+    const [loading, setLoading] = useState(false)
+    const [error, setError] = useState('')
+    const navigate = useNavigate()
+
+    const close = () => {
+        setOpen(false)
+    }
+
+    const submit = () => {
+        setLoading(true)
+        submitListen(trackid.toString(), ts)
+        .then(r => {
+            if(r.ok) {
+                setLoading(false)
+                navigate(0)
+            } else {
+                r.json().then(r => setError(r.error))
+                setLoading(false)
+            }
+        })
+    }
+
+    const formatForDatetimeLocal = (d: Date) => {
+        const pad = (n: number) => n.toString().padStart(2, "0");
+        return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())}T${pad(d.getHours())}:${pad(d.getMinutes())}`;
+    };
+
+    return (
+        <Modal isOpen={open} onClose={close}>
+            <h2>Add Listen</h2>
+            <div className="flex flex-col items-center gap-4">
+                <input
+                    type="datetime-local"
+                    className="w-full mx-auto fg bg rounded p-2"
+                    value={formatForDatetimeLocal(ts)}
+                    onChange={(e) => setTS(new Date(e.target.value))}
+                />
+                <AsyncButton loading={loading} onClick={submit}>Submit</AsyncButton>
+                <p className="error">{error}</p>
+            </div>
+        </Modal>
+    )
+}