daniel-c-harvey
a7e2335c20
Session/Mix browsers share base (load/state/thumb) and a shared table shell carrying the per-row Edit link to BatchEdit; subclasses supply only their medium action.
63 lines
2.6 KiB
C#
63 lines
2.6 KiB
C#
using DeepDrftManager.Services;
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using DeepDrftModels.DTOs;
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using DeepDrftModels.Enums;
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using Microsoft.AspNetCore.Components;
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using MudBlazor;
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namespace DeepDrftManager.Components.Pages.Tracks;
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/// <summary>
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/// Shared fetch + state logic for the single-track medium browsers (Sessions, Mixes). Analogous to the
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/// public-site <c>MediumBrowseBase</c>: subclasses supply the <see cref="Medium"/>, the noun used in
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/// error text, and a per-row projection from <see cref="ReleaseDto"/> to their own row model; this base
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/// owns the loading flag, the row list, the initial load, and the cover-thumbnail URL helper. The shared
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/// table structure lives in <c>CmsMediumTable</c>; subclasses render it and fill only the action column.
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/// </summary>
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/// <typeparam name="TRow">The subclass's row model wrapping a <see cref="ReleaseDto"/>.</typeparam>
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public abstract class CmsMediumBrowserBase<TRow> : ComponentBase
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{
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[Inject] public required ICmsReleaseService CmsReleaseService { get; set; }
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[Inject] public required ISnackbar Snackbar { get; set; }
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/// <summary>The medium this browser lists. Subclass-supplied constant.</summary>
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protected abstract ReleaseMedium Medium { get; }
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/// <summary>Plural noun for this medium used in error text (e.g. "sessions", "mixes").</summary>
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protected abstract string MediumNoun { get; }
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/// <summary>Projects a fetched release into the subclass's row model.</summary>
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protected abstract TRow ToRow(ReleaseDto release);
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protected List<TRow> Rows { get; private set; } = new();
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protected bool Loading { get; private set; } = true;
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protected override async Task OnInitializedAsync() => await LoadAsync();
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private async Task LoadAsync()
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{
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Loading = true;
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// Single-track releases; a single generous page covers the CMS catalogue (same small-catalogue
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// assumption the album browser makes).
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var result = await CmsReleaseService.GetPagedAsync(
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Medium, page: 1, pageSize: 100,
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sortColumn: "Title", sortDescending: false);
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if (result.Success && result.Value is not null)
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{
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Rows = result.Value.Items.Select(ToRow).ToList();
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}
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else
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{
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var error = result.Messages.FirstOrDefault()?.Message ?? "Unknown error";
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Snackbar.Add($"Failed to load {MediumNoun}: {error}", Severity.Error);
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Rows = new List<TRow>();
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}
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Loading = false;
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}
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// Relative path — resolves against the Manager's own origin, proxied by ImageProxyController.
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protected static string ThumbUrl(string entryKey) =>
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$"/api/image/{Uri.EscapeDataString(entryKey)}";
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}
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