feat: events date filter and preserve list page in URL (SAC 0.7.1)

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/views/EventDetailView.vue

@@ -4,7 +4,7 @@
 
     <RouterLink v-if="fromReports" :to="{ path: '/reports', query: backToReportsQuery }">← Отчёты</RouterLink>
 
-    <RouterLink v-else to="/events">← События</RouterLink>
+    <RouterLink v-else :to="{ path: '/events', query: backToEventsQuery }">← События</RouterLink>
 
   </p>
 
@@ -105,6 +105,7 @@ import { apiFetch, type EventDetail } from "../api";
 
 import ReportBodyCard from "../components/ReportBodyCard.vue";
 
+import { eventsBackQueryFromDetail } from "../utils/eventsListQuery";
 import { isDailyReportType } from "../utils/reportDisplay";
 
 
@@ -134,6 +135,8 @@ const backToReportsQuery = computed(() => {
   return q;
 });
 
+const backToEventsQuery = computed(() => eventsBackQueryFromDetail(route.query));
+
 
 
 function formatDt(iso: string) {

frontend/src/views/EventsView.vue

@@ -1,17 +1,26 @@
 <template>
   <h1>События</h1>
   <div class="filters">
-    <input v-model="q" placeholder="Поиск в summary/title" @keyup.enter="load(1)" />
-    <select v-model="severity" @change="load(1)">
+    <input v-model="q" placeholder="Поиск в summary/title" @keyup.enter="applyFilters" />
+    <select v-model="severity" @change="applyFilters">
       <option value="">Все severity</option>
       <option>info</option>
       <option>warning</option>
       <option>high</option>
       <option>critical</option>
     </select>
-    <input v-model="typeFilter" placeholder="type" @keyup.enter="load(1)" />
-    <input v-model="hostnameFilter" placeholder="hostname / имя сервера" @keyup.enter="load(1)" />
-    <button type="button" @click="load(1)">Применить</button>
+    <input v-model="typeFilter" placeholder="type" @keyup.enter="applyFilters" />
+    <input v-model="hostnameFilter" placeholder="hostname / имя сервера" @keyup.enter="applyFilters" />
+    <label class="events-date-field">
+      <span class="events-date-label">С</span>
+      <input v-model="dateFrom" type="date" @change="applyFilters" />
+    </label>
+    <label class="events-date-field">
+      <span class="events-date-label">По</span>
+      <input v-model="dateTo" type="date" @change="applyFilters" />
+    </label>
+    <button type="button" @click="applyFilters">Применить</button>
+    <button v-if="hasActiveFilters" type="button" class="secondary" @click="clearFilters">Сбросить</button>
   </div>
   <p v-if="error" class="error">{{ error }}</p>
   <p v-else-if="loading">Загрузка…</p>
@@ -32,7 +41,7 @@
       <tbody>
         <tr v-for="e in data?.items ?? []" :key="e.id">
           <td>
-            <RouterLink :to="`/events/${e.id}`">{{ e.id }}</RouterLink>
+            <RouterLink :to="{ path: `/events/${e.id}`, query: detailLinkQuery }">{{ e.id }}</RouterLink>
           </td>
           <td>{{ formatDt(e.occurred_at) }}</td>
           <td>{{ e.hostname }}</td>
@@ -59,12 +68,20 @@
 </template>
 
 <script setup lang="ts">
-import { onMounted, ref } from "vue";
-import { useRoute } from "vue-router";
+import { computed, ref, watch } from "vue";
+import { useRoute, useRouter } from "vue-router";
 import { apiFetch, type EventListResponse } from "../api";
+import {
+  apiParamsFromState,
+  buildEventsListQuery,
+  eventsListQueryMatches,
+  parseEventsListQuery,
+  type EventsListState,
+} from "../utils/eventsListQuery";
 import { formatServerName } from "../utils/hostDisplay";
 
 const route = useRoute();
+const router = useRouter();
 
 const data = ref<EventListResponse | null>(null);
 const loading = ref(false);
@@ -75,25 +92,72 @@ const q = ref("");
 const severity = ref("");
 const typeFilter = ref("");
 const hostnameFilter = ref("");
+const dateFrom = ref("");
+const dateTo = ref("");
+
+const syncingFromRoute = ref(false);
+
+const listState = computed(
+  (): EventsListState => ({
+    page: page.value,
+    q: q.value,
+    severity: severity.value,
+    type: typeFilter.value,
+    hostname: hostnameFilter.value,
+    dateFrom: dateFrom.value,
+    dateTo: dateTo.value,
+  }),
+);
+
+const detailLinkQuery = computed(() => buildEventsListQuery(listState.value));
+
+const hasActiveFilters = computed(
+  () =>
+    Boolean(
+      q.value.trim() ||
+        severity.value ||
+        typeFilter.value.trim() ||
+        hostnameFilter.value.trim() ||
+        dateFrom.value ||
+        dateTo.value,
+    ),
+);
 
 function formatDt(iso: string) {
   return new Date(iso).toLocaleString("ru-RU");
 }
 
-async function load(p: number) {
-  page.value = p;
+function applyStateFromQuery() {
+  const parsed = parseEventsListQuery(route.query);
+  page.value = parsed.page;
+  q.value = parsed.q;
+  severity.value = parsed.severity;
+  typeFilter.value = parsed.type;
+  hostnameFilter.value = parsed.hostname;
+  dateFrom.value = parsed.dateFrom;
+  dateTo.value = parsed.dateTo;
+}
+
+async function syncRouteQuery() {
+  if (eventsListQueryMatches(listState.value, route.query)) return;
+  syncingFromRoute.value = true;
+  try {
+    await router.replace({ path: "/events", query: buildEventsListQuery(listState.value) });
+  } finally {
+    syncingFromRoute.value = false;
+  }
+}
+
+async function load(p?: number, options?: { syncUrl?: boolean }) {
+  if (p !== undefined) page.value = p;
   loading.value = true;
   error.value = "";
   try {
-    const params = new URLSearchParams({
-      page: String(page.value),
-      page_size: String(pageSize),
-    });
-    if (severity.value) params.set("severity", severity.value);
-    if (typeFilter.value) params.set("type", typeFilter.value);
-    if (hostnameFilter.value.trim()) params.set("hostname", hostnameFilter.value.trim());
-    if (q.value.trim()) params.set("q", q.value.trim());
+    const params = apiParamsFromState(listState.value, pageSize);
     data.value = await apiFetch<EventListResponse>(`/api/v1/events?${params}`);
+    if (options?.syncUrl !== false && !syncingFromRoute.value) {
+      await syncRouteQuery();
+    }
   } catch (e) {
     error.value = e instanceof Error ? e.message : "Ошибка загрузки";
   } finally {
@@ -101,13 +165,52 @@ async function load(p: number) {
   }
 }
 
-onMounted(() => {
-  const t = route.query.type;
-  if (typeof t === "string" && t) typeFilter.value = t;
-  const sev = route.query.severity;
-  if (typeof sev === "string" && sev) severity.value = sev;
-  const h = route.query.hostname;
-  if (typeof h === "string" && h) hostnameFilter.value = h;
+function applyFilters() {
   load(1);
-});
+}
+
+function clearFilters() {
+  q.value = "";
+  severity.value = "";
+  typeFilter.value = "";
+  hostnameFilter.value = "";
+  dateFrom.value = "";
+  dateTo.value = "";
+  load(1);
+}
+
+watch(
+  () => route.fullPath,
+  async () => {
+    if (route.path !== "/events") return;
+    const matched = eventsListQueryMatches(listState.value, route.query);
+    if (!matched) {
+      syncingFromRoute.value = true;
+      applyStateFromQuery();
+      syncingFromRoute.value = false;
+    }
+    if (!matched || !data.value) {
+      await load(undefined, { syncUrl: false });
+    }
+  },
+  { immediate: true },
+);
 </script>
+
+<style scoped>
+.events-date-field {
+  display: inline-flex;
+  align-items: center;
+  gap: 0.35rem;
+}
+
+.events-date-label {
+  color: #9aa4b2;
+  font-size: 0.9rem;
+  white-space: nowrap;
+}
+
+.events-date-field input[type="date"] {
+  min-width: 9.5rem;
+}
+</style>