teecup/frontend/components/round-messages.tsx
Erol Haagenrud aaec9c811d @-tagging (frontend): egen-implementert etter V0-credits tomme
Fullfører ADR-063 -- backend var allerede committet (206beef). Bruker
ba eksplisitt om at Claude selv implementerer frontend-promptet siden
V0-kreditter var oppbrukt.

lib/mentions.ts: ren offset-/diff-logikk (deteksjon, innsetting,
diff-justering ved redigering, tekst-segmentering), 15 enhetstester.
components/mention-input.tsx: MentionTextarea (autocomplete-dropdown,
tastaturnavigasjon) + TaggedText (lenker til /my-friends/{id}). Koblet
inn i round-messages.tsx (innlegg) og post-engagement.tsx (kommentarer,
delt av flere meldingssystemer -- roundId/tags gjort valgfrie for å
ikke bryte de org-scopede callerne uten tagging).

Rettet også et hull oppdaget underveis: backendens GET /feed manglet
tags (kun list_round_messages/comments hadde det) -- det er nettopp
/my-feed-siden som var det opprinnelige brukseksempelet.

Scratch-verifisert (egen DB/rolle/MinIO/API-/frontend-container, to
ekte testbrukere, venn-relasjon, felles runde): autocomplete, tagging
i både innlegg og kommentar, rendring som lenke i rundevisning OG i
aggregert feed, varsel opprettet, personvern-scoping bekreftet (kun
faktiske relasjoner tilbys, ikke seg selv, ikke fremmede), lys+mørk.
tsc --noEmit rent, 45/45 vitest grønt. teecup_db urørt.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-08-11 10:15:02 +02:00

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"use client"
import { useCallback, useEffect, useRef, useState } from "react"
import { Camera, ImagePlus, Send, Trash2, X } from "lucide-react"
import { MentionTextarea, TaggedText } from "./mention-input"
import type { Tag } from "@/lib/mentions"
import { PostEngagement, type ReactionSummary } from "./post-engagement"
/** Rå meldingsform fra backend. */
export type ApiRoundMessage = {
id: string
round_id: string
author_user_id: string
author_display_name: string
body: string | null
image_url: string | null
created_at: string // ISO 8601
reactions: ReactionSummary[]
comment_count: number
tags: Tag[]
}
export type RoundMessagesProps = {
roundId: string
currentUserId: string
roundOwnerUserId: string
// Økes av round-detail.tsx sitt "/ws/rounds/{id}/live"-signal (samme
// "noe endret seg, hent på nytt"-mønster som resten av rundens
// sanntid) -- trigger en ny henting av meldingslisten uten å måtte
// koble en egen WebSocket til akkurat denne komponenten.
refreshKey?: number
}
// "image/*" (ikke en eksplisitt liste av MIME-typer) -- mange mobilnett-
// lesere viser bare galleri, ikke kamera, i filvelgeren når accept lister
// flere eksplisitte typer. Server-siden validerer uansett strengt mot
// storage.ALLOWED_INPUT_CONTENT_TYPES, så dette svekker ingen kontroll.
const ACCEPTED_IMAGE_TYPES = "image/*"
// Funnet 2026-08-06 (ekte enhet, Android/Chrome, installert som PWA): siden
// Android 13 bruker Chrome systemets eget bilde-vlger ("Photo Picker") for
// <input type=file accept="image/*"> UTEN capture-attributt -- den viser
// KUN galleri, aldri et kamera-alternativ. Løsning: to atskilte knapper/
// inputs -- én med capture="environment" (rett til kamera), én uten (rett
// til galleri) -- i stedet for å stole på at nettleseren tilbyr begge i
// samme velger.
const MAX_IMAGE_HEIGHT = 300
// Samme grense som storage.MAX_UPLOAD_BYTES (server-siden) -- sjekket
// klient-side også for en umiddelbar, presis feilmelding uten en unødvendig
// tur-retur til serveren for noe som uansett vil bli avvist.
const MAX_UPLOAD_BYTES = 20 * 1024 * 1024
/** Leser {detail:{code,message}} fra et feil-svar, samme kontrakt som
* resten av API-et (app/errors.py). Faller tilbake til en generisk
* norsk melding hvis svaret ikke har denne formen (f.eks. et rått 502
* fra en proxy, ikke fra selve API-et). */
async function readErrorMessage(res: Response, fallback: string): Promise<string> {
try {
const data = await res.json()
const message = data?.detail?.message
if (typeof message === "string" && message.length > 0) return message
} catch {
// Ikke JSON -- bruk fallback.
}
return fallback
}
/** Kort, norsk relativt tidsstempel (f.eks. "nå", "5 min", "2 t", "i går"). */
function formatRelativeTime(iso: string): { label: string; title: string } {
const then = new Date(iso)
const title = then.toLocaleString("nb-NO", {
day: "2-digit",
month: "short",
hour: "2-digit",
minute: "2-digit",
})
const diffMs = Date.now() - then.getTime()
const diffSec = Math.round(diffMs / 1000)
const diffMin = Math.round(diffSec / 60)
const diffHour = Math.round(diffMin / 60)
const diffDay = Math.round(diffHour / 24)
let label: string
if (diffSec < 45) label = "nå nettopp"
else if (diffMin < 60) label = `for ${diffMin} min siden`
else if (diffHour < 24) label = `for ${diffHour} t siden`
else if (diffDay === 1) label = "i går"
else if (diffDay < 7) label = `for ${diffDay} dager siden`
else
label = then.toLocaleDateString("nb-NO", {
day: "numeric",
month: "short",
})
return { label, title }
}
export function RoundMessages({ roundId, currentUserId, roundOwnerUserId, refreshKey }: RoundMessagesProps) {
const [messages, setMessages] = useState<ApiRoundMessage[]>([])
const [loading, setLoading] = useState(true)
const [loadError, setLoadError] = useState<string | null>(null)
const [body, setBody] = useState("")
const [tags, setTags] = useState<Tag[]>([])
const [imageFile, setImageFile] = useState<File | null>(null)
const [imagePreview, setImagePreview] = useState<string | null>(null)
const [posting, setPosting] = useState(false)
const [postError, setPostError] = useState<string | null>(null)
const [deletingId, setDeletingId] = useState<string | null>(null)
const fileInputRef = useRef<HTMLInputElement | null>(null)
const cameraInputRef = useRef<HTMLInputElement | null>(null)
// Hent meldinger ved mount, og på nytt hver gang refreshKey endres
// (WS-signal fra round-detail.tsx).
useEffect(() => {
const controller = new AbortController()
async function load() {
setLoading(true)
setLoadError(null)
try {
const res = await fetch(`/rounds/${roundId}/messages`, {
credentials: "include",
signal: controller.signal,
})
if (!res.ok) throw new Error(`Status ${res.status}`)
const data: ApiRoundMessage[] = await res.json()
setMessages(data)
} catch (err) {
if ((err as Error).name === "AbortError") return
setLoadError("Kunne ikke laste kommentarene. Prøv å laste siden på nytt.")
} finally {
setLoading(false)
}
}
load()
return () => controller.abort()
}, [roundId, refreshKey])
// Rydd opp objekt-URL-en for bildeforhåndsvisning.
useEffect(() => {
return () => {
if (imagePreview) URL.revokeObjectURL(imagePreview)
}
}, [imagePreview])
const clearSelectedImage = useCallback(() => {
setImageFile(null)
setImagePreview((prev) => {
if (prev) URL.revokeObjectURL(prev)
return null
})
if (fileInputRef.current) fileInputRef.current.value = ""
if (cameraInputRef.current) cameraInputRef.current.value = ""
}, [])
function handleFileChange(e: React.ChangeEvent<HTMLInputElement>) {
const file = e.target.files?.[0]
if (!file) return
if (file.size > MAX_UPLOAD_BYTES) {
setPostError("Bildet er for stort (maks 20 MB). Velg et mindre bilde.")
e.target.value = ""
return
}
setPostError(null)
setImageFile(file)
setImagePreview((prev) => {
if (prev) URL.revokeObjectURL(prev)
return URL.createObjectURL(file)
})
}
const trimmedBody = body.trim()
const canPost = (trimmedBody.length > 0 || imageFile != null) && !posting
async function handlePost(e: React.FormEvent) {
e.preventDefault()
if (!canPost) return
setPosting(true)
setPostError(null)
try {
const formData = new FormData()
if (trimmedBody.length > 0) formData.append("body", trimmedBody)
if (imageFile) formData.append("image", imageFile)
if (tags.length > 0) formData.append("tags", JSON.stringify(tags))
const res = await fetch(`/rounds/${roundId}/messages`, {
method: "POST",
credentials: "include",
body: formData,
})
if (res.status !== 201) {
setPostError(await readErrorMessage(res, "Kunne ikke poste kommentaren. Prøv igjen."))
return
}
const created: ApiRoundMessage = await res.json()
// Legg øverst — nyeste først (2026-08-06, samme rekkefølge som
// backend nå returnerer listen i).
setMessages((prev) => [created, ...prev])
setBody("")
setTags([])
clearSelectedImage()
} catch {
setPostError("Kunne ikke poste kommentaren. Sjekk tilkoblingen og prøv igjen.")
} finally {
setPosting(false)
}
}
async function handleDelete(id: string) {
setDeletingId(id)
setPostError(null)
try {
const res = await fetch(`/rounds/${roundId}/messages/${id}`, {
method: "DELETE",
credentials: "include",
})
if (res.status !== 204) throw new Error(`Status ${res.status}`)
setMessages((prev) => prev.filter((m) => m.id !== id))
} catch {
setPostError("Kunne ikke slette kommentaren. Prøv igjen.")
} finally {
setDeletingId(null)
}
}
return (
<section className="flex flex-col gap-4" aria-label="Kommentarer og bilder fra runden">
{/* Composer */}
<form
onSubmit={handlePost}
className="flex flex-col gap-3 rounded-2xl border border-border bg-card p-4 sm:p-5"
>
<label htmlFor="round-message-body" className="sr-only">
Skriv en kommentar
</label>
<MentionTextarea
roundId={roundId}
id="round-message-body"
value={body}
tags={tags}
onChange={(v, t) => {
setBody(v)
setTags(t)
if (postError) setPostError(null)
}}
placeholder="Skriv en kommentar... (skriv @ for å tagge noen)"
rows={3}
className="w-full resize-y rounded-xl border border-border bg-background px-3 py-2.5 text-base text-foreground outline-none transition-all duration-200 ease-in-out placeholder:text-muted-foreground focus-visible:ring-2 focus-visible:ring-ring"
/>
{/* Valgt bilde forhåndsvisning */}
{imagePreview && (
<div className="flex items-center gap-3 rounded-xl border border-border bg-muted p-2.5">
{/* eslint-disable-next-line @next/next/no-img-element */}
<img
src={imagePreview || "/placeholder.svg"}
alt="Forhåndsvisning av valgt bilde"
className="size-14 shrink-0 rounded-lg object-cover"
/>
<span className="min-w-0 flex-1 truncate text-sm font-medium text-foreground">
{imageFile?.name}
</span>
<button
type="button"
onClick={clearSelectedImage}
className="inline-flex h-11 min-w-11 items-center justify-center gap-1.5 rounded-lg px-3 text-sm font-medium text-muted-foreground outline-none transition-all duration-200 ease-in-out hover:text-foreground focus-visible:ring-2 focus-visible:ring-ring active:scale-[0.98]"
>
<X aria-hidden="true" className="size-4" />
Fjern
</button>
</div>
)}
<div className="flex flex-wrap items-center justify-between gap-3">
<div className="flex flex-wrap items-center gap-2">
{/* To atskilte inputs -- se MAX_IMAGE_HEIGHT-kommentaren over:
Android sin systembilde-vlger (Photo Picker) viser ALDRI
et kamera-alternativ når accept="image/*" mangler
capture, uansett hvilken nettleser. capture="environment"
her sender rett til kamera i stedet for å stole på at
velgeren tilbyr det. */}
<input
ref={cameraInputRef}
type="file"
accept={ACCEPTED_IMAGE_TYPES}
capture="environment"
onChange={handleFileChange}
className="sr-only"
aria-hidden="true"
tabIndex={-1}
/>
<button
type="button"
onClick={() => cameraInputRef.current?.click()}
className="inline-flex h-11 items-center justify-center gap-2 rounded-lg border border-border bg-background px-4 text-base font-medium text-foreground outline-none transition-all duration-200 ease-in-out hover:bg-muted focus-visible:ring-2 focus-visible:ring-ring active:scale-[0.98]"
>
<Camera aria-hidden="true" className="size-5" />
Ta bilde
</button>
<input
ref={fileInputRef}
type="file"
accept={ACCEPTED_IMAGE_TYPES}
onChange={handleFileChange}
className="sr-only"
aria-hidden="true"
tabIndex={-1}
/>
<button
type="button"
onClick={() => fileInputRef.current?.click()}
className="inline-flex h-11 items-center justify-center gap-2 rounded-lg border border-border bg-background px-4 text-base font-medium text-foreground outline-none transition-all duration-200 ease-in-out hover:bg-muted focus-visible:ring-2 focus-visible:ring-ring active:scale-[0.98]"
>
<ImagePlus aria-hidden="true" className="size-5" />
Velg fra galleri
</button>
</div>
<button
type="submit"
disabled={!canPost}
className="inline-flex h-11 min-w-11 items-center justify-center gap-2 rounded-lg bg-primary px-5 text-base font-medium text-primary-foreground outline-none transition-all duration-200 ease-in-out hover:bg-primary/90 focus-visible:ring-2 focus-visible:ring-ring active:scale-[0.98] disabled:pointer-events-none disabled:opacity-50"
>
{posting ? (
<span
aria-hidden="true"
className="size-4 animate-spin rounded-full border-2 border-primary-foreground/30 border-t-primary-foreground"
/>
) : (
<Send aria-hidden="true" className="size-5" />
)}
{posting ? "Poster..." : "Post"}
</button>
</div>
{postError && (
<p role="alert" className="text-sm font-medium text-destructive">
{postError}
</p>
)}
</form>
{/* Meldingsliste */}
{loading ? (
<div className="flex justify-center py-12" aria-live="polite" aria-busy="true">
<span
aria-hidden="true"
className="size-8 animate-spin rounded-full border-4 border-primary/20 border-t-primary"
/>
<span className="sr-only">Laster kommentarer...</span>
</div>
) : loadError ? (
<p role="alert" className="rounded-2xl border border-border bg-card p-5 text-base text-destructive">
{loadError}
</p>
) : messages.length === 0 ? (
<p className="rounded-2xl border border-border bg-card p-5 text-base text-muted-foreground">
Ingen kommentarer ennå vær den første til å dele et bilde eller en kommentar fra runden.
</p>
) : (
<ul className="divide-y divide-border overflow-hidden rounded-2xl border border-border bg-card">
{messages.map((m) => {
const canDelete = m.author_user_id === currentUserId || roundOwnerUserId === currentUserId
const isDeleting = deletingId === m.id
const { label, title } = formatRelativeTime(m.created_at)
return (
<li key={m.id} className="flex flex-col gap-3 p-4 sm:p-5">
<div className="flex items-start justify-between gap-3">
<div className="flex min-w-0 flex-col">
<span className="truncate text-base font-semibold text-foreground">
{m.author_display_name}
</span>
<time
dateTime={m.created_at}
title={title}
className="text-sm font-medium text-muted-foreground"
>
{label}
</time>
</div>
{canDelete && (
<button
type="button"
onClick={() => handleDelete(m.id)}
disabled={isDeleting}
className="inline-flex h-11 min-w-11 shrink-0 items-center justify-center gap-1.5 rounded-lg px-3 text-sm font-medium text-destructive outline-none transition-all duration-200 ease-in-out hover:bg-destructive/10 focus-visible:ring-2 focus-visible:ring-ring active:scale-[0.98] disabled:pointer-events-none disabled:opacity-50"
>
{isDeleting ? (
<span
aria-hidden="true"
className="size-4 animate-spin rounded-full border-2 border-destructive/30 border-t-destructive"
/>
) : (
<Trash2 aria-hidden="true" className="size-4" />
)}
Slett
</button>
)}
</div>
{m.image_url && (
// eslint-disable-next-line @next/next/no-img-element
<img
src={m.image_url || "/placeholder.svg"}
alt={`Bilde delt av ${m.author_display_name}`}
style={{ maxHeight: MAX_IMAGE_HEIGHT }}
className="w-full rounded-xl object-cover"
/>
)}
{m.body && (
<p className="text-base leading-relaxed text-foreground whitespace-pre-wrap">
<TaggedText body={m.body} tags={m.tags} />
</p>
)}
<PostEngagement
apiBase={`/rounds/${roundId}/messages/${m.id}`}
roundId={roundId}
currentUserId={currentUserId || null}
initialReactions={m.reactions}
initialCommentCount={m.comment_count}
canModerate={roundOwnerUserId === currentUserId}
/>
</li>
)
})}
</ul>
)}
</section>
)
}
export default RoundMessages