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lmxopcua/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Components/Pages/Reservations.razor
T

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@page "/reservations"
@attribute [Authorize(Policy = AdminUiPolicies.AuthenticatedRead)]
@rendermode RenderMode.InteractiveServer
@using Microsoft.EntityFrameworkCore
@using ZB.MOM.WW.OtOpcUa.Configuration
@using ZB.MOM.WW.OtOpcUa.Configuration.Entities
@inject IDbContextFactory<OtOpcUaConfigDbContext> DbFactory
<div class="d-flex justify-content-between align-items-center mb-3">
<h4 class="mb-0">External ID reservations</h4>
</div>
@if (_rows is null)
{
<p>Loading…</p>
}
else
{
<section class="panel notice rise" style="animation-delay:.02s">
External IDs (ZTag, SAPID) are reserved fleet-wide via this table. Reservations bind a
value to an Equipment's UUID so the ID can move with the equipment across cluster
reshuffles without colliding with another cluster's equipment.
</section>
<section class="panel rise mt-3" style="animation-delay:.08s">
<div class="panel-head">@_rows.Count reservation@(_rows.Count == 1 ? "" : "s")</div>
@if (_rows.Count == 0)
{
<div style="padding:1rem" class="text-muted">No reservations yet.</div>
}
else
{
<div class="table-wrap">
<table class="data-table">
<thead>
<tr>
<th>Kind</th>
<th>Value</th>
<th>Equipment UUID</th>
<th>Cluster</th>
</tr>
</thead>
<tbody>
@foreach (var r in _rows)
{
<tr>
<td><span class="chip chip-idle">@r.Kind</span></td>
<td><span class="mono">@r.Value</span></td>
<td><span class="mono small">@r.EquipmentUuid</span></td>
<td><span class="mono small">@r.ClusterId</span></td>
</tr>
}
</tbody>
</table>
</div>
}
</section>
}
@code {
private List<ExternalIdReservation>? _rows;
protected override async Task OnInitializedAsync()
{
await using var db = await DbFactory.CreateDbContextAsync();
_rows = await db.ExternalIdReservations.AsNoTracking()
.OrderBy(r => r.Kind).ThenBy(r => r.Value)
.ToListAsync();
}
}