feat(frontend): analytics panel and online statuses speak russian and english with real plurals

frontend/src/lib/components/presence/AnalyticsPanel.svelte

@@ -24,35 +24,11 @@
     formatSpan,
     isOnline,
   } from "#lib/format/presence.js";
+  import { t } from "#lib/i18n/locale.svelte.js";
   import { accounts } from "#lib/stores/accounts.svelte.js";
   import { presence } from "#lib/stores/presence.svelte.js";
   import { page } from "$app/state";
 
-  const TEXT = {
-    average: "В среднем за день",
-    byDay: "По дням",
-    byHour: "По часам недели",
-    failed: "Не удалось загрузить аналитику.",
-    firstOnline: "Обычно появляется",
-    hidden:
-      "Скрывает, когда был(а) в сети. Telegram показывает только «был(а) недавно», поэтому время в сети не посчитать.",
-    lastOffline: "Обычно уходит",
-    median: "Обычная сессия",
-    messages: "Сообщения",
-    mine: "Я отвечаю",
-    missing: "Нет данных",
-    noData: "нет данных",
-    noMessages: "За этот период сообщений нет.",
-    noStatus: "Статусов пока нет.",
-    openChat: "Откройте чат",
-    period: (count: number) => `${count} дней`,
-    retry: "Повторить",
-    sessions: "Сессии",
-    theirs: "Мне отвечают",
-    title: "Аналитика",
-    total: (count: number) => `в сети за ${count} дней`,
-  };
-
   const PERIODS = [7, 30, 90];
   const DEFAULT_PERIOD = 30;
   const SESSION_PAGE = 30;
@@ -60,7 +36,7 @@
   const MS_IN_SECOND = 1000;
 
   const tz = browserTimeZone();
-  const zone = timeZoneLabel();
+  const zone = $derived(timeZoneLabel());
 
   const chatId = $derived(
     page.params.chatId ? Number(page.params.chatId) : null
@@ -97,25 +73,25 @@
     const result: { label: string; value: string }[] = [];
     if (summary.daily_seconds !== null) {
       result.push({
-        label: TEXT.average,
+        label: t("presence.average"),
         value: formatSpan(summary.daily_seconds),
       });
     }
     if (summary.median_session_seconds !== null) {
       result.push({
-        label: TEXT.median,
+        label: t("presence.median"),
         value: formatSpan(summary.median_session_seconds),
       });
     }
     if (summary.first_online !== null) {
       result.push({
-        label: TEXT.firstOnline,
+        label: t("presence.firstOnline"),
         value: formatClock(summary.first_online),
       });
     }
     if (summary.last_offline !== null) {
       result.push({
-        label: TEXT.lastOffline,
+        label: t("presence.lastOffline"),
         value: formatClock(summary.last_offline),
       });
     }
@@ -124,13 +100,16 @@
       MS_IN_SECOND;
     const missing = period - summary.covered_seconds;
     if (missing >= SECONDS_IN_HOUR) {
-      result.push({ label: TEXT.missing, value: formatLongSpan(missing) });
+      result.push({
+        label: t("presence.missing"),
+        value: formatLongSpan(missing),
+      });
     }
     return result;
   });
 
   function reply(seconds: number | null): string {
-    return seconds === null ? TEXT.noData : formatSpan(seconds);
+    return seconds === null ? t("presence.noData") : formatSpan(seconds);
   }
 
   async function load(id: number, period: number) {
@@ -172,7 +151,7 @@
 </script>
 
 {#if chatId === null}
-  <EmptyState description={TEXT.openChat} title={TEXT.title} />
+  <EmptyState description={t("profile.empty")} title={t("profile.analytics")} />
 {:else}
   <div class="analytics">
     <div class="periods">
@@ -185,20 +164,20 @@
           }}
           type="button"
         >
-          {TEXT.period(period)}
+          {t("presence.days", { count: period })}
         </button>
       {/each}
     </div>
 
     {#if failed}
       <div class="state">
-        <p>{TEXT.failed}</p>
+        <p>{t("presence.failed")}</p>
         <Button
           onclick={() => chatId !== null && load(chatId, days)}
           smaller
           variant="text"
         >
-          {TEXT.retry}
+          {t("ui.retry")}
         </Button>
       </div>
     {:else if volume === null || (isDm && stats === null)}
@@ -211,7 +190,9 @@
               <span class="total"
                 >{formatSpan(stats.summary.online_seconds)}</span
               >
-              <span class="count">{TEXT.total(shownDays)}</span>
+              <span class="count"
+                >{t("presence.total", { count: shownDays })}</span
+              >
             </div>
           {/if}
           {#if sample}
@@ -220,9 +201,9 @@
             </p>
           {/if}
           {#if stats.hidden}
-            <p class="note">{TEXT.hidden}</p>
+            <p class="note">{t("presence.hidden")}</p>
           {:else if !tracked}
-            <p class="note">{TEXT.noStatus}</p>
+            <p class="note">{t("presence.noStatus")}</p>
           {/if}
         </section>
 
@@ -242,34 +223,34 @@
 
           <section>
             <div class="section-title">
-              <h3>{TEXT.byHour}</h3>
+              <h3>{t("presence.byHour")}</h3>
               <span>{zone}</span>
             </div>
             <PresenceHeatmap week={stats.week} />
           </section>
 
           <section>
-            <div class="section-title"><h3>{TEXT.byDay}</h3></div>
+            <div class="section-title"><h3>{t("presence.byDay")}</h3></div>
             <OnlineDays days={stats.days} />
           </section>
         {/if}
       {/if}
 
       <section>
-        <div class="section-title"><h3>{TEXT.messages}</h3></div>
+        <div class="section-title"><h3>{t("presence.messages")}</h3></div>
         {#if quiet}
-          <p class="state">{TEXT.noMessages}</p>
+          <p class="state">{t("presence.noMessages")}</p>
         {:else}
           <VolumeChart {volume} />
         {/if}
         {#if response && response.mine_count + response.their_count > 0}
           <dl class="rows replies">
             <div class="row">
-              <dt>{TEXT.mine}</dt>
+              <dt>{t("presence.mine")}</dt>
               <dd>{reply(response.mine_median_seconds)}</dd>
             </div>
             <div class="row">
-              <dt>{TEXT.theirs}</dt>
+              <dt>{t("presence.theirs")}</dt>
               <dd>{reply(response.their_median_seconds)}</dd>
             </div>
           </dl>
@@ -278,7 +259,7 @@
 
       {#if isDm && stats && tracked && !stats.hidden}
         <section>
-          <div class="section-title"><h3>{TEXT.sessions}</h3></div>
+          <div class="section-title"><h3>{t("presence.sessions")}</h3></div>
           {#key `${chatId}:${shownDays}:${stats.until}`}
             <PresenceSessions
               days={shownDays}

frontend/src/lib/components/presence/OnlineDays.svelte

@@ -2,6 +2,7 @@
   import type { PresenceDay } from "#lib/api/types.js";
   import { formatDay, parseDay } from "#lib/format/datetime.js";
   import { formatSpan } from "#lib/format/presence.js";
+  import { t } from "#lib/i18n/locale.svelte.js";
 
   interface Props {
     days: PresenceDay[];
@@ -12,18 +13,6 @@
   const SECONDS_IN_HOUR = 3600;
   const SECONDS_IN_DAY = 86_400;
 
-  const TEXT = {
-    bar: (day: string, online: number, missing: number) => {
-      if (missing >= SECONDS_IN_DAY - SECONDS_IN_HOUR) {
-        return `${day}, нет данных`;
-      }
-      const gap =
-        missing >= SECONDS_IN_HOUR ? `, нет данных ${formatSpan(missing)}` : "";
-      return `${day}, ${formatSpan(online)} в сети${gap}`;
-    },
-    today: "сегодня",
-  };
-
   const peak = $derived(Math.max(1, ...days.map((day) => day.online_seconds)));
   const first = $derived(days[0]);
 
@@ -31,6 +20,23 @@
     return formatDay(parseDay(day).toISOString());
   }
 
+  function title(day: PresenceDay, index: number): string {
+    const date = label(day.day);
+    const missing = absent(day, index);
+    if (missing >= SECONDS_IN_DAY - SECONDS_IN_HOUR) {
+      return t("presence.dayNoData", { day: date });
+    }
+    const span = formatSpan(day.online_seconds);
+    if (missing >= SECONDS_IN_HOUR) {
+      return t("presence.dayGap", {
+        day: date,
+        gap: formatSpan(missing),
+        span,
+      });
+    }
+    return t("presence.day", { day: date, span });
+  }
+
   function absent(day: PresenceDay, index: number): number {
     if (index === days.length - 1) {
       return 0;
@@ -46,11 +52,7 @@
       {#each days as day, index (day.day)}
         <div
           class={["slot", { empty: day.covered_seconds < SECONDS_IN_HOUR }]}
-          title={TEXT.bar(
-            label(day.day),
-            day.online_seconds,
-            absent(day, index)
-          )}
+          title={title(day, index)}
         >
           <span
             class={["bar", { zero: day.online_seconds === 0 }]}
@@ -63,7 +65,7 @@
   {#if first}
     <div class="axis">
       <span>{label(first.day)}</span>
-      <span>{TEXT.today}</span>
+      <span>{t("presence.axisToday")}</span>
     </div>
   {/if}
 </div>

frontend/src/lib/components/presence/PresenceHeatmap.svelte

@@ -1,6 +1,7 @@
 <script lang="ts">
   import type { PresenceHour } from "#lib/api/types.js";
-  import { formatSpan } from "#lib/format/presence.js";
+  import { formatSpan, weekdayLabels } from "#lib/format/presence.js";
+  import { t } from "#lib/i18n/locale.svelte.js";
 
   interface Props {
     week: PresenceHour[];
@@ -8,28 +9,14 @@
 
   const { week }: Props = $props();
 
-  const TEXT = {
-    cell: (day: string, cell: PresenceHour) => {
-      const slot = `${day}, ${cell.hour}:00`;
-      if (cell.hours === 0) {
-        return slot;
-      }
-      if (cell.online_minutes === null) {
-        return `${slot}, нет данных`;
-      }
-      return `${slot}, в среднем ${formatSpan(cell.online_minutes * 60)} в сети`;
-    },
-    days: ["Пн", "Вт", "Ср", "Чт", "Пт", "Сб", "Вс"],
-    empty: "нет данных",
-    max: (minutes: number) => `до ${formatSpan(minutes * 60)}`,
-  };
-
   const HOURS_IN_DAY = 24;
+  const SECONDS_IN_MINUTE = 60;
   const HOUR_TICKS = [0, 6, 12, 18];
   const MIN_SHADE = 0.18;
 
+  const weekdays = $derived(weekdayLabels());
   const rows = $derived(
-    TEXT.days.map((_, weekday) =>
+    weekdays.map((_, weekday) =>
       week
         .filter((cell) => cell.weekday === weekday)
         .sort((a, b) => a.hour - b.hour)
@@ -44,6 +31,20 @@
     return cell.hours > 0 && cell.online_minutes === null;
   }
 
+  function title(day: string, cell: PresenceHour): string {
+    const slot = `${day}, ${cell.hour}:00`;
+    if (cell.hours === 0) {
+      return slot;
+    }
+    if (cell.online_minutes === null) {
+      return t("presence.cellNoData", { slot });
+    }
+    return t("presence.cellAverage", {
+      slot,
+      span: formatSpan(cell.online_minutes * SECONDS_IN_MINUTE),
+    });
+  }
+
   function shade(minutes: number | null): number {
     if (minutes === null || minutes === 0 || peak === 0) {
       return 0;
@@ -55,7 +56,7 @@
 <div class="heatmap">
   {#each rows as cells, weekday (weekday)}
     <div class="row">
-      <span class="day">{TEXT.days[weekday]}</span>
+      <span class="day">{weekdays[weekday]}</span>
       <div class="cells">
         {#each cells as cell (cell.hour)}
           <span
@@ -67,7 +68,7 @@
                 zero: cell.online_minutes === 0,
               },
             ]}
-            title={TEXT.cell(TEXT.days[weekday] ?? "", cell)}
+            title={title(weekdays[weekday] ?? "", cell)}
             style:--shade="{shade(cell.online_minutes) * 100}%"
           ></span>
         {/each}
@@ -87,13 +88,13 @@
     {#if peak > 0}
       <span class="key">
         <span class="scale"></span>
-        {TEXT.max(peak)}
+        {t("presence.max", { span: formatSpan(peak * SECONDS_IN_MINUTE) })}
       </span>
     {/if}
     {#if hasGaps}
       <span class="key">
         <span class="swatch empty"></span>
-        {TEXT.empty}
+        {t("presence.noData")}
       </span>
     {/if}
   </div>
@@ -115,7 +116,7 @@
 
   .day {
     flex-shrink: 0;
-    width: 1.375rem;
+    width: 1.75rem;
     font-size: 0.75rem;
     color: var(--color-text-secondary);
   }
@@ -173,7 +174,7 @@
     gap: 0.25rem 0.75rem;
     align-items: center;
 
-    margin: 0.375rem 0 0 1.875rem;
+    margin: 0.375rem 0 0 2.25rem;
 
     font-size: 0.75rem;
     font-variant-numeric: tabular-nums;

frontend/src/lib/components/presence/PresenceSessions.svelte

@@ -5,6 +5,7 @@
   import Spinner from "#lib/components/ui/Spinner.svelte";
   import { formatLongDay, formatTime } from "#lib/format/datetime.js";
   import { formatSpan } from "#lib/format/presence.js";
+  import { t } from "#lib/i18n/locale.svelte.js";
 
   interface Props {
     days: number;
@@ -16,18 +17,6 @@
 
   const { days, first, pageSize, peerId, tz }: Props = $props();
 
-  const TEXT = {
-    failed: "Не удалось загрузить сессии.",
-    more: "Показать ещё",
-    none: "За этот период в сети не был(а).",
-    now: "в сети",
-    retry: "Повторить",
-    since: (time: string) => `с ${time}`,
-    span: (from: string, to: string) => (from === to ? from : `${from}–${to}`),
-    today: "Сегодня",
-    yesterday: "Вчера",
-  };
-
   const MS_IN_DAY = 86_400_000;
 
   let extra = $state<PresenceSession[]>([]);
@@ -54,18 +43,22 @@
   function dayLabel(date: Date): string {
     const today = new Date();
     if (date.toDateString() === today.toDateString()) {
-      return TEXT.today;
+      return t("presence.today");
     }
     if (
       date.toDateString() ===
       new Date(today.getTime() - MS_IN_DAY).toDateString()
     ) {
-      return TEXT.yesterday;
+      return t("presence.yesterday");
     }
     const text = formatLongDay(date);
     return text.charAt(0).toUpperCase() + text.slice(1);
   }
 
+  function span(from: string, to: string): string {
+    return from === to ? from : `${from}–${to}`;
+  }
+
   async function loadMore() {
     if (loading) {
       return;
@@ -92,7 +85,7 @@
 </script>
 
 {#if sessions.length === 0}
-  <p class="state">{TEXT.none}</p>
+  <p class="state">{t("presence.noSessions")}</p>
 {:else}
   {#each groups as group (group.label)}
     <h4 class="day">{group.label}</h4>
@@ -101,14 +94,13 @@
         <li>
           <span>
             {session.ongoing
-              ? TEXT.since(formatTime(session.started))
-              : TEXT.span(
-                  formatTime(session.started),
-                  formatTime(session.ended)
-                )}
+              ? t("presence.since", { time: formatTime(session.started) })
+              : span(formatTime(session.started), formatTime(session.ended))}
           </span>
           <span class={["length", { online: session.ongoing }]}>
-            {session.ongoing ? TEXT.now : formatSpan(session.seconds)}
+            {session.ongoing
+              ? t("presence.online")
+              : formatSpan(session.seconds)}
           </span>
         </li>
       {/each}
@@ -118,11 +110,13 @@
     <div class="state"><Spinner /></div>
   {:else if failed}
     <div class="state">
-      <p>{TEXT.failed}</p>
-      <Button onclick={loadMore} smaller variant="text">{TEXT.retry}</Button>
+      <p>{t("presence.sessionsFailed")}</p>
+      <Button onclick={loadMore} smaller variant="text">{t("ui.retry")}</Button>
     </div>
   {:else if !exhausted}
-    <button class="more" onclick={loadMore} type="button">{TEXT.more}</button>
+    <button class="more" onclick={loadMore} type="button">
+      {t("ui.showMore")}
+    </button>
   {/if}
 {/if}
 

frontend/src/lib/components/presence/VolumeChart.svelte

@@ -1,6 +1,7 @@
 <script lang="ts">
   import type { VolumeBucket } from "#lib/api/types.js";
   import { formatDay, parseDay } from "#lib/format/datetime.js";
+  import { t } from "#lib/i18n/locale.svelte.js";
 
   interface Props {
     volume: VolumeBucket[];
@@ -8,22 +9,25 @@
 
   const { volume }: Props = $props();
 
-  const TEXT = {
-    bar: (day: string, bucket: VolumeBucket) =>
-      bucket.total === 0
-        ? `${day}, нет сообщений`
-        : `${day}, всего ${bucket.total}: входящих ${bucket.incoming}, моих ${bucket.outgoing}`,
-    incoming: "входящие",
-    outgoing: "мои",
-    today: "сегодня",
-  };
-
   const peak = $derived(Math.max(1, ...volume.map((bucket) => bucket.total)));
   const first = $derived(volume[0]);
 
   function label(day: string): string {
     return formatDay(parseDay(day).toISOString());
   }
+
+  function title(bucket: VolumeBucket): string {
+    const day = label(bucket.bucket);
+    if (bucket.total === 0) {
+      return t("presence.volumeEmpty", { day });
+    }
+    return t("presence.volume", {
+      day,
+      incoming: bucket.incoming,
+      outgoing: bucket.outgoing,
+      total: bucket.total,
+    });
+  }
 </script>
 
 <div class="volume">
@@ -31,7 +35,7 @@
     <span class="peak">{peak}</span>
     <div class={["bars", { dense: volume.length > 45 }]}>
       {#each volume as bucket (bucket.bucket)}
-        <div class="slot" title={TEXT.bar(label(bucket.bucket), bucket)}>
+        <div class="slot" title={title(bucket)}>
           <div
             class={["bar", { zero: bucket.total === 0 }]}
             style:height="{(bucket.total / peak) * 100}%"
@@ -46,12 +50,16 @@
   {#if first}
     <div class="axis">
       <span>{label(first.bucket)}</span>
-      <span>{TEXT.today}</span>
+      <span>{t("presence.axisToday")}</span>
     </div>
   {/if}
   <div class="legend">
-    <span class="key"><span class="swatch in"></span>{TEXT.incoming}</span>
-    <span class="key"><span class="swatch out"></span>{TEXT.outgoing}</span>
+    <span class="key"
+      ><span class="swatch in"></span>{t("presence.volumeIncoming")}</span
+    >
+    <span class="key"
+      ><span class="swatch out"></span>{t("presence.volumeOutgoing")}</span
+    >
   </div>
 </div>