forked from xiongyuxing/tiku-backend.net
1153 lines
46 KiB
C#
1153 lines
46 KiB
C#
using System.Text;
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using System.Text.Json;
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using Microsoft.EntityFrameworkCore;
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using Tiku.Application.Catalog;
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using Tiku.Application.Content;
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using Tiku.Application.QuestionBanks;
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using Tiku.Application.Security;
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using Tiku.Domain.Catalog;
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using Tiku.Domain.Common;
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using Tiku.Domain.Content;
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using Tiku.Domain.QuestionBanks;
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using Tiku.Infrastructure.Persistence;
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using Tiku.Infrastructure.Security;
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namespace Tiku.Infrastructure.Content;
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public sealed class ContentManagementService(
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TikuDbContext dbContext,
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IQuestionReferenceService questionReferenceService,
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ICurrentAccessContext currentAccessContext) : IContentManagementService
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{
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private const int DefaultLimit = 100;
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private const int MaxLimit = 1000;
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public async Task<CatalogList<ContentEntryManagementItem>> GetEntriesAsync(
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ContentManagementActor actor,
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ContentManagementFilter filter,
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CancellationToken cancellationToken = default)
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{
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var scope = await RequireDataScopeAsync(actor, cancellationToken);
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var regionIds = scope.RegionIds.ToArray();
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var query = dbContext.ContentEntries
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.AsNoTracking()
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.Where(entry => entry.TenantId == actor.TenantId)
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.ApplyDataScope(
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scope,
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entry => entry.CreatedBy == actor.UserId,
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entry => entry.RegionId.HasValue && regionIds.Contains(entry.RegionId.Value));
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if (!filter.IncludeInactive)
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{
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query = query.Where(entry => entry.IsActive);
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}
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if (filter.RegionId.HasValue)
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{
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query = query.Where(entry => entry.RegionId == filter.RegionId.Value);
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}
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if (TryParse(filter.EntryType, out ContentEntryType entryType))
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{
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query = query.Where(entry => entry.EntryType == entryType);
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}
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if (!string.IsNullOrWhiteSpace(filter.Keyword))
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{
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var keyword = filter.Keyword.Trim();
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query = query.Where(entry =>
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entry.Name.Contains(keyword) ||
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entry.EntryKey.Contains(keyword) ||
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(entry.Description != null && entry.Description.Contains(keyword)));
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}
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var items = await query
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.OrderBy(entry => entry.SortOrder)
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.ThenBy(entry => entry.CreatedAt)
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.Take(ResolveLimit(filter.Limit))
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.Select(entry => ToEntryItem(entry))
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.ToArrayAsync(cancellationToken);
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return new CatalogList<ContentEntryManagementItem>(items);
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}
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public async Task<ContentManagementResult<ContentEntryManagementItem>> UpsertEntryAsync(
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ContentManagementActor actor,
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UpsertContentEntryCommand command,
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CancellationToken cancellationToken = default)
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{
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var scope = await RequireDataScopeAsync(actor, cancellationToken);
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ArgumentException.ThrowIfNullOrWhiteSpace(command.Name);
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await AssertRegionAsync(actor.TenantId, command.RegionId, cancellationToken);
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var entryKey = Normalize(command.EntryKey) ??
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Normalize(command.Id?.ToString("N")) ??
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Guid.NewGuid().ToString("N");
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var entry = await ResolveEntityAsync(
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dbContext.ContentEntries,
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actor.TenantId,
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command.Id,
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item => item.EntryKey == entryKey,
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cancellationToken);
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var isNew = entry is null;
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if (command.Id.HasValue && (entry is null || entry.Id != command.Id.Value))
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{
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throw new ContentManagementException("Content entry was not found.", "entry_not_found");
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}
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if (entry is not null && !scope.AllowsResource(actor.UserId, entry.CreatedBy, entry.RegionId))
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{
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throw new ContentManagementException("Content entry was not found.", "entry_not_found");
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}
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if (entry is null && !scope.AllowsResource(actor.UserId, actor.UserId, command.RegionId))
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{
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throw new ContentManagementException("Content entry was not found.", "entry_not_found");
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}
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entry ??= new ContentEntry
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{
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Id = command.Id ?? Guid.NewGuid(),
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TenantId = actor.TenantId,
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EntryKey = entryKey,
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CreatedBy = actor.UserId
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};
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entry.RegionId = command.RegionId;
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entry.LegacyId = Normalize(command.LegacyId);
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entry.Name = command.Name.Trim();
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entry.EntryType = Parse(command.EntryType, ContentEntryType.QuestionPractice, "entry_type_invalid");
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entry.Icon = Normalize(command.Icon);
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entry.Route = Normalize(command.Route);
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entry.Description = Normalize(command.Description);
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entry.Visibility = Parse(command.Visibility, ContentVisibility.Public, "visibility_invalid");
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entry.AccessRules = JsonObjectOrDefault(command.AccessRules);
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entry.LayoutConfig = JsonObjectOrDefault(command.LayoutConfig);
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entry.SortOrder = command.Order ?? 0;
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entry.IsActive = command.IsActive ?? true;
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entry.UpdatedBy = actor.UserId;
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if (isNew)
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{
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dbContext.ContentEntries.Add(entry);
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}
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await dbContext.SaveChangesAsync(cancellationToken);
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return new ContentManagementResult<ContentEntryManagementItem>(ToEntryItem(entry));
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}
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public async Task<CatalogList<ContentNodeManagementItem>> GetNodesAsync(
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ContentManagementActor actor,
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ContentManagementFilter filter,
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CancellationToken cancellationToken = default)
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{
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var scope = await RequireDataScopeAsync(actor, cancellationToken);
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if (!filter.EntryId.HasValue)
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{
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throw new ContentManagementException("entryId is required.", "entry_id_required");
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}
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await AssertEntryAsync(actor, scope, filter.EntryId, cancellationToken);
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var regionIds = scope.RegionIds.ToArray();
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var query = dbContext.ContentNodes
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.AsNoTracking()
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.Where(node => node.TenantId == actor.TenantId && node.EntryId == filter.EntryId.Value)
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.ApplyDataScope(
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scope,
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node => node.CreatedBy == actor.UserId,
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node => node.RegionId.HasValue && regionIds.Contains(node.RegionId.Value));
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if (!filter.IncludeInactive)
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{
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query = query.Where(node => node.IsActive);
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}
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if (filter.RegionId.HasValue)
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{
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query = query.Where(node => node.RegionId == filter.RegionId.Value);
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}
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if (filter.ParentId is not null)
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{
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if (string.Equals(filter.ParentId, "root", StringComparison.OrdinalIgnoreCase))
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{
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query = query.Where(node => node.ParentId == null);
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}
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else if (Guid.TryParse(filter.ParentId, out var parentId))
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{
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query = query.Where(node => node.ParentId == parentId);
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}
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}
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if (TryParse(filter.MarkerType, out ContentMarkerType markerType))
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{
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query = query.Where(node => node.MarkerType == markerType);
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}
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if (!string.IsNullOrWhiteSpace(filter.Keyword))
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{
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var keyword = filter.Keyword.Trim();
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query = query.Where(node =>
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node.Name.Contains(keyword) ||
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(node.NodeKey != null && node.NodeKey.Contains(keyword)));
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}
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query = string.Equals(filter.Mode, "flat", StringComparison.OrdinalIgnoreCase)
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? query.OrderBy(node => node.Path).ThenBy(node => node.SortOrder)
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: query.OrderBy(node => node.SortOrder).ThenBy(node => node.CreatedAt);
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var items = await query
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.Take(ResolveLimit(filter.Limit))
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.Select(node => ToNodeItem(node))
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.ToArrayAsync(cancellationToken);
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return new CatalogList<ContentNodeManagementItem>(items);
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}
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public async Task<ContentManagementResult<ContentNodeManagementItem>> UpsertNodeAsync(
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ContentManagementActor actor,
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UpsertContentNodeCommand command,
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CancellationToken cancellationToken = default)
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{
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var scope = await RequireDataScopeAsync(actor, cancellationToken);
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ArgumentException.ThrowIfNullOrWhiteSpace(command.Name);
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await AssertEntryAsync(actor, scope, command.EntryId, cancellationToken);
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await AssertRegionAsync(actor.TenantId, command.RegionId, cancellationToken);
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await AssertNodeAsync(actor, scope, command.ParentId, cancellationToken);
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var nodeKey = Normalize(command.NodeKey) ??
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Normalize(command.Id?.ToString("N")) ??
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Guid.NewGuid().ToString("N");
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var node = await ResolveEntityAsync(
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dbContext.ContentNodes,
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actor.TenantId,
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command.Id,
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item => item.EntryId == command.EntryId && item.NodeKey == nodeKey,
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cancellationToken);
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var isNew = node is null;
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if (command.Id.HasValue && (node is null || node.Id != command.Id.Value))
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{
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throw new ContentManagementException("Content node was not found.", "node_not_found");
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}
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if (node is not null && !scope.AllowsResource(actor.UserId, node.CreatedBy, node.RegionId))
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{
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throw new ContentManagementException("Content node was not found.", "node_not_found");
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}
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if (node is null && !scope.AllowsResource(actor.UserId, actor.UserId, command.RegionId))
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{
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throw new ContentManagementException("Content node was not found.", "node_not_found");
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}
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node ??= new ContentNode
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{
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Id = command.Id ?? Guid.NewGuid(),
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TenantId = actor.TenantId,
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EntryId = command.EntryId,
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NodeKey = nodeKey,
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CreatedBy = actor.UserId
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};
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var path = await BuildNodePathAsync(actor.TenantId, command.EntryId, node.Id, command.ParentId, cancellationToken);
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node.EntryId = command.EntryId;
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node.RegionId = command.RegionId;
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node.ParentId = command.ParentId;
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node.LegacyId = Normalize(command.LegacyId);
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node.Name = command.Name.Trim();
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node.NodeType = Parse(command.NodeType, ContentNodeType.Category, "node_type_invalid");
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node.MarkerType = ParseNullable<ContentMarkerType>(command.MarkerType, "marker_type_invalid");
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node.MarkerConfig = JsonObjectOrDefault(command.MarkerConfig);
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node.Path = path.Path;
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node.Depth = path.Depth;
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node.SortOrder = command.Order ?? 0;
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node.IsActive = command.IsActive ?? true;
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node.IsSelectable = command.IsSelectable ?? true;
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node.IsLeaf = command.IsLeaf ?? false;
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node.AccessRules = JsonObjectOrDefault(command.AccessRules);
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node.Metadata = JsonObjectOrDefault(command.Metadata);
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node.UpdatedBy = actor.UserId;
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if (isNew)
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{
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dbContext.ContentNodes.Add(node);
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}
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if (command.ParentId.HasValue)
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{
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var parent = await dbContext.ContentNodes.SingleOrDefaultAsync(
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item => item.TenantId == actor.TenantId && item.Id == command.ParentId.Value,
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cancellationToken);
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if (parent is not null)
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{
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parent.IsLeaf = false;
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}
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}
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await dbContext.SaveChangesAsync(cancellationToken);
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return new ContentManagementResult<ContentNodeManagementItem>(ToNodeItem(node));
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}
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public async Task<CatalogList<QuestionCollectionManagementItem>> GetCollectionsAsync(
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ContentManagementActor actor,
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ContentManagementFilter filter,
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CancellationToken cancellationToken = default)
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{
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var scope = await RequireDataScopeAsync(actor, cancellationToken);
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var regionIds = scope.RegionIds.ToArray();
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var query = dbContext.QuestionCollections
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.AsNoTracking()
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.Where(collection => collection.TenantId == actor.TenantId)
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.ApplyDataScope(
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scope,
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collection => collection.CreatedBy == actor.UserId,
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collection => collection.RegionId.HasValue && regionIds.Contains(collection.RegionId.Value));
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if (!filter.IncludeInactive)
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{
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query = query.Where(collection => collection.Status == ContentStatus.Active);
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}
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if (filter.RegionId.HasValue)
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{
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query = query.Where(collection => collection.RegionId == filter.RegionId.Value);
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}
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if (filter.EntryId.HasValue)
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{
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query = query.Where(collection => collection.EntryId == filter.EntryId.Value);
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}
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if (filter.NodeId.HasValue)
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{
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query = query.Where(collection => collection.NodeId == filter.NodeId.Value);
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}
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if (TryParse(filter.CollectionType, out QuestionCollectionType collectionType))
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{
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query = query.Where(collection => collection.CollectionType == collectionType);
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}
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if (!string.IsNullOrWhiteSpace(filter.Keyword))
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{
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var keyword = filter.Keyword.Trim();
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query = query.Where(collection => collection.Name.Contains(keyword));
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}
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var items = await query
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.OrderBy(collection => collection.SortOrder)
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.ThenBy(collection => collection.CreatedAt)
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.Take(ResolveLimit(filter.Limit))
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.Select(collection => ToCollectionItem(collection))
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.ToArrayAsync(cancellationToken);
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return new CatalogList<QuestionCollectionManagementItem>(items);
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}
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public async Task<ContentManagementResult<QuestionCollectionManagementItem>> UpsertCollectionAsync(
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ContentManagementActor actor,
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UpsertQuestionCollectionCommand command,
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CancellationToken cancellationToken = default)
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{
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||
var scope = await RequireDataScopeAsync(actor, cancellationToken);
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ArgumentException.ThrowIfNullOrWhiteSpace(command.Name);
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await AssertRegionAsync(actor.TenantId, command.RegionId, cancellationToken);
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await AssertEntryAsync(actor, scope, command.EntryId, cancellationToken);
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await AssertNodeAsync(actor, scope, command.NodeId, cancellationToken);
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await AssertReferenceAsync<Subject>(actor.TenantId, command.SubjectId, "subject_not_found", cancellationToken);
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await AssertReferenceAsync<Category>(actor.TenantId, command.CategoryId, "category_not_found", cancellationToken);
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await AssertReferenceAsync<QuestionBank>(actor.TenantId, command.QuestionBankId, "question_bank_not_found", cancellationToken);
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var collection = await ResolveEntityByIdOrLegacyAsync(
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dbContext.QuestionCollections,
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actor.TenantId,
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command.Id,
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command.LegacyId,
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cancellationToken);
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||
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var isNew = collection is null;
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if (command.Id.HasValue && (collection is null || collection.Id != command.Id.Value))
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{
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throw new ContentManagementException("Collection was not found.", "collection_not_found");
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}
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if (collection is not null && !scope.AllowsResource(actor.UserId, collection.CreatedBy, collection.RegionId))
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{
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throw new ContentManagementException("Collection was not found.", "collection_not_found");
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}
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if (collection is null && !scope.AllowsResource(actor.UserId, actor.UserId, command.RegionId))
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{
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throw new ContentManagementException("Collection was not found.", "collection_not_found");
|
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}
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collection ??= new QuestionCollection
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{
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Id = command.Id ?? Guid.NewGuid(),
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TenantId = actor.TenantId,
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CreatedBy = actor.UserId
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};
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collection.RegionId = command.RegionId;
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collection.EntryId = command.EntryId;
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collection.NodeId = command.NodeId;
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collection.SubjectId = command.SubjectId;
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collection.CategoryId = command.CategoryId;
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collection.QuestionBankId = command.QuestionBankId;
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collection.LegacyId = Normalize(command.LegacyId);
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collection.Name = command.Name.Trim();
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collection.CollectionType = Parse(command.CollectionType, QuestionCollectionType.Dynamic, "collection_type_invalid");
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collection.SourceType = Parse(command.SourceType, QuestionCollectionSourceType.Filters, "collection_source_type_invalid");
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collection.Filters = JsonObjectOrDefault(command.Filters);
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collection.TotalScore = command.TotalScore;
|
||
collection.DurationMinutes = command.DurationMinutes;
|
||
collection.Status = Parse(command.Status, ContentStatus.Active, "content_status_invalid");
|
||
collection.SortOrder = command.Order ?? 0;
|
||
collection.AccessRules = JsonObjectOrDefault(command.AccessRules);
|
||
collection.Metadata = JsonObjectOrDefault(command.Metadata);
|
||
collection.UpdatedBy = actor.UserId;
|
||
|
||
if (isNew)
|
||
{
|
||
dbContext.QuestionCollections.Add(collection);
|
||
}
|
||
|
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await dbContext.SaveChangesAsync(cancellationToken);
|
||
return new ContentManagementResult<QuestionCollectionManagementItem>(ToCollectionItem(collection));
|
||
}
|
||
|
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public async Task<CollectionItemsReplaceResult> ReplaceCollectionItemsAsync(
|
||
ContentManagementActor actor,
|
||
ReplaceCollectionItemsCommand command,
|
||
CancellationToken cancellationToken = default)
|
||
{
|
||
var scope = await RequireDataScopeAsync(actor, cancellationToken);
|
||
var regionIds = scope.RegionIds.ToArray();
|
||
var collection = await dbContext.QuestionCollections
|
||
.Where(item => item.TenantId == actor.TenantId && item.Id == command.CollectionId)
|
||
.ApplyDataScope(
|
||
scope,
|
||
item => item.CreatedBy == actor.UserId,
|
||
item => item.RegionId.HasValue && regionIds.Contains(item.RegionId.Value))
|
||
.SingleOrDefaultAsync(cancellationToken);
|
||
|
||
if (collection is null)
|
||
{
|
||
throw new ContentManagementException("Collection was not found.", "collection_not_found");
|
||
}
|
||
|
||
var resolvedQuestions = new List<(CollectionQuestionCommand Command, TenantQuestionReference Reference)>();
|
||
foreach (var question in command.Questions)
|
||
{
|
||
var reference = await questionReferenceService.ResolveAsync(
|
||
actor.TenantId,
|
||
actor.UserId,
|
||
question.Locator,
|
||
cancellationToken);
|
||
resolvedQuestions.Add((question, reference));
|
||
}
|
||
|
||
var oldItems = await dbContext.QuestionCollectionItems
|
||
.Where(item => item.TenantId == actor.TenantId && item.CollectionId == command.CollectionId)
|
||
.ToArrayAsync(cancellationToken);
|
||
dbContext.QuestionCollectionItems.RemoveRange(oldItems);
|
||
|
||
var items = resolvedQuestions
|
||
.Select((resolved, index) => new QuestionCollectionItem
|
||
{
|
||
TenantId = actor.TenantId,
|
||
CollectionId = command.CollectionId,
|
||
QuestionReferenceId = resolved.Reference.Id,
|
||
QuestionOwnerTenantId = resolved.Reference.QuestionOwnerTenantId,
|
||
QuestionId = resolved.Reference.QuestionId,
|
||
SectionKey = Normalize(resolved.Command.SectionKey),
|
||
SortOrder = resolved.Command.Order ?? index,
|
||
Score = resolved.Command.Score,
|
||
Required = resolved.Command.Required ?? true,
|
||
Metadata = JsonObjectOrDefault(resolved.Command.Metadata)
|
||
})
|
||
.ToArray();
|
||
|
||
dbContext.QuestionCollectionItems.AddRange(items);
|
||
collection.QuestionCount = items.Length;
|
||
collection.UpdatedBy = actor.UserId;
|
||
await dbContext.SaveChangesAsync(cancellationToken);
|
||
|
||
return new CollectionItemsReplaceResult(
|
||
command.CollectionId,
|
||
collection.QuestionCount,
|
||
items.Select(ToCollectionItemItem).ToArray());
|
||
}
|
||
|
||
public async Task<CatalogList<PracticeBlueprintManagementItem>> GetPracticeBlueprintsAsync(
|
||
ContentManagementActor actor,
|
||
ContentManagementFilter filter,
|
||
CancellationToken cancellationToken = default)
|
||
{
|
||
var scope = await RequireDataScopeAsync(actor, cancellationToken);
|
||
var regionIds = scope.RegionIds.ToArray();
|
||
var query = dbContext.PracticeBlueprints
|
||
.AsNoTracking()
|
||
.Where(blueprint => blueprint.TenantId == actor.TenantId)
|
||
.ApplyDataScope(
|
||
scope,
|
||
blueprint => blueprint.CreatedBy == actor.UserId,
|
||
blueprint => blueprint.RegionId.HasValue && regionIds.Contains(blueprint.RegionId.Value));
|
||
|
||
if (!filter.IncludeInactive)
|
||
{
|
||
query = query.Where(blueprint => blueprint.Status == ContentStatus.Active);
|
||
}
|
||
|
||
if (filter.RegionId.HasValue)
|
||
{
|
||
query = query.Where(blueprint => blueprint.RegionId == filter.RegionId.Value);
|
||
}
|
||
|
||
if (filter.EntryId.HasValue)
|
||
{
|
||
query = query.Where(blueprint => blueprint.EntryId == filter.EntryId.Value);
|
||
}
|
||
|
||
if (filter.NodeId.HasValue)
|
||
{
|
||
query = query.Where(blueprint => blueprint.NodeId == filter.NodeId.Value);
|
||
}
|
||
|
||
if (filter.CollectionId.HasValue)
|
||
{
|
||
query = query.Where(blueprint => blueprint.CollectionId == filter.CollectionId.Value);
|
||
}
|
||
|
||
if (TryParse(filter.Mode, out PracticeMode mode))
|
||
{
|
||
query = query.Where(blueprint => blueprint.Mode == mode);
|
||
}
|
||
|
||
if (!string.IsNullOrWhiteSpace(filter.Keyword))
|
||
{
|
||
var keyword = filter.Keyword.Trim();
|
||
query = query.Where(blueprint => blueprint.Name.Contains(keyword));
|
||
}
|
||
|
||
var items = await query
|
||
.OrderBy(blueprint => blueprint.SortOrder)
|
||
.ThenBy(blueprint => blueprint.CreatedAt)
|
||
.Take(ResolveLimit(filter.Limit))
|
||
.Select(blueprint => ToBlueprintItem(blueprint))
|
||
.ToArrayAsync(cancellationToken);
|
||
|
||
return new CatalogList<PracticeBlueprintManagementItem>(items);
|
||
}
|
||
|
||
public async Task<ContentManagementResult<PracticeBlueprintManagementItem>> UpsertPracticeBlueprintAsync(
|
||
ContentManagementActor actor,
|
||
UpsertPracticeBlueprintCommand command,
|
||
CancellationToken cancellationToken = default)
|
||
{
|
||
var scope = await RequireDataScopeAsync(actor, cancellationToken);
|
||
ArgumentException.ThrowIfNullOrWhiteSpace(command.Name);
|
||
await AssertRegionAsync(actor.TenantId, command.RegionId, cancellationToken);
|
||
await AssertEntryAsync(actor, scope, command.EntryId, cancellationToken);
|
||
await AssertNodeAsync(actor, scope, command.NodeId, cancellationToken);
|
||
await AssertReferenceAsync<QuestionCollection>(actor.TenantId, command.CollectionId, "collection_not_found", cancellationToken);
|
||
|
||
var blueprint = await ResolveEntityByIdOrLegacyAsync(
|
||
dbContext.PracticeBlueprints,
|
||
actor.TenantId,
|
||
command.Id,
|
||
command.LegacyId,
|
||
cancellationToken);
|
||
|
||
var isNew = blueprint is null;
|
||
if (command.Id.HasValue && (blueprint is null || blueprint.Id != command.Id.Value))
|
||
{
|
||
throw new ContentManagementException("Practice blueprint was not found.", "practice_blueprint_not_found");
|
||
}
|
||
|
||
if (blueprint is not null && !scope.AllowsResource(actor.UserId, blueprint.CreatedBy, blueprint.RegionId))
|
||
{
|
||
throw new ContentManagementException("Practice blueprint was not found.", "practice_blueprint_not_found");
|
||
}
|
||
|
||
if (blueprint is null && !scope.AllowsResource(actor.UserId, actor.UserId, command.RegionId))
|
||
{
|
||
throw new ContentManagementException("Practice blueprint was not found.", "practice_blueprint_not_found");
|
||
}
|
||
|
||
blueprint ??= new PracticeBlueprint
|
||
{
|
||
Id = command.Id ?? Guid.NewGuid(),
|
||
TenantId = actor.TenantId,
|
||
CreatedBy = actor.UserId
|
||
};
|
||
|
||
blueprint.RegionId = command.RegionId;
|
||
blueprint.EntryId = command.EntryId;
|
||
blueprint.NodeId = command.NodeId;
|
||
blueprint.CollectionId = command.CollectionId;
|
||
blueprint.LegacyId = Normalize(command.LegacyId);
|
||
blueprint.Name = command.Name.Trim();
|
||
blueprint.Mode = Parse(command.Mode, PracticeMode.Sequential, "practice_mode_invalid");
|
||
blueprint.AssemblyType = Parse(command.AssemblyType, PracticeAssemblyType.Collection, "practice_assembly_type_invalid");
|
||
blueprint.QuestionLimit = command.QuestionLimit;
|
||
blueprint.DurationMinutes = command.DurationMinutes;
|
||
blueprint.TotalScore = command.TotalScore;
|
||
blueprint.PassScore = command.PassScore;
|
||
blueprint.Sections = JsonArrayOrDefault(command.Sections);
|
||
blueprint.Rules = JsonObjectOrDefault(command.Rules);
|
||
blueprint.AccessRules = JsonObjectOrDefault(command.AccessRules);
|
||
blueprint.Status = Parse(command.Status, ContentStatus.Active, "content_status_invalid");
|
||
blueprint.SortOrder = command.Order ?? 0;
|
||
blueprint.UpdatedBy = actor.UserId;
|
||
|
||
if (isNew)
|
||
{
|
||
dbContext.PracticeBlueprints.Add(blueprint);
|
||
}
|
||
|
||
await dbContext.SaveChangesAsync(cancellationToken);
|
||
return new ContentManagementResult<PracticeBlueprintManagementItem>(ToBlueprintItem(blueprint));
|
||
}
|
||
|
||
public ImportFieldMappingItem GetImportFieldMapping(string importType)
|
||
{
|
||
var spec = ResolveImportSpec(importType);
|
||
return new ImportFieldMappingItem(
|
||
spec.ImportType,
|
||
spec.Title,
|
||
spec.Description,
|
||
spec.Fields,
|
||
spec.Fields.Where(field => field.Required).Select(field => field.Field).ToArray());
|
||
}
|
||
|
||
public ImportTemplateItem GetImportTemplate(string importType, string? format)
|
||
{
|
||
var spec = ResolveImportSpec(importType);
|
||
var normalizedFormat = string.IsNullOrWhiteSpace(format) ? "json" : format.Trim().ToLowerInvariant();
|
||
var content = normalizedFormat switch
|
||
{
|
||
"json" => JsonSerializer.Serialize(spec.JsonExample, new JsonSerializerOptions { WriteIndented = true }),
|
||
"csv" => string.Join(
|
||
"\n",
|
||
spec.CsvRows.Select(row => string.Join(",", row.Select(EscapeCsv)))),
|
||
_ => throw new ContentManagementException("Import template format is not supported.", "import_template_format_invalid")
|
||
};
|
||
|
||
return new ImportTemplateItem(
|
||
spec.ImportType,
|
||
normalizedFormat,
|
||
$"{spec.ImportType}-import-template.{normalizedFormat}",
|
||
normalizedFormat == "csv" ? "text/csv" : "application/json",
|
||
Convert.ToBase64String(Encoding.UTF8.GetBytes(content)),
|
||
content,
|
||
spec.Fields);
|
||
}
|
||
|
||
private async Task<(string Path, int Depth)> BuildNodePathAsync(
|
||
Guid tenantId,
|
||
Guid entryId,
|
||
Guid nodeId,
|
||
Guid? parentId,
|
||
CancellationToken cancellationToken)
|
||
{
|
||
var label = $"n_{nodeId:N}";
|
||
if (!parentId.HasValue)
|
||
{
|
||
return (label, 0);
|
||
}
|
||
|
||
var parent = await dbContext.ContentNodes
|
||
.AsNoTracking()
|
||
.Where(node => node.TenantId == tenantId && node.EntryId == entryId && node.Id == parentId.Value)
|
||
.Select(node => new { node.Path, node.Depth })
|
||
.SingleOrDefaultAsync(cancellationToken);
|
||
|
||
if (parent is null)
|
||
{
|
||
throw new ContentManagementException("Parent node was not found in this entry.", "parent_node_not_found");
|
||
}
|
||
|
||
return ($"{parent.Path}.{label}", parent.Depth + 1);
|
||
}
|
||
|
||
private async Task AssertRegionAsync(Guid tenantId, Guid? regionId, CancellationToken cancellationToken)
|
||
{
|
||
await AssertReferenceAsync<Region>(tenantId, regionId, "region_not_found", cancellationToken);
|
||
}
|
||
|
||
private async Task AssertEntryAsync(Guid tenantId, Guid? entryId, CancellationToken cancellationToken)
|
||
{
|
||
await AssertReferenceAsync<ContentEntry>(tenantId, entryId, "entry_not_found", cancellationToken);
|
||
}
|
||
|
||
private async Task AssertEntryAsync(
|
||
ContentManagementActor actor,
|
||
CurrentDataScope scope,
|
||
Guid? entryId,
|
||
CancellationToken cancellationToken)
|
||
{
|
||
if (!entryId.HasValue)
|
||
{
|
||
return;
|
||
}
|
||
|
||
var regionIds = scope.RegionIds.ToArray();
|
||
var exists = await dbContext.ContentEntries
|
||
.Where(entry => entry.TenantId == actor.TenantId && entry.Id == entryId.Value)
|
||
.ApplyDataScope(
|
||
scope,
|
||
entry => entry.CreatedBy == actor.UserId,
|
||
entry => entry.RegionId.HasValue && regionIds.Contains(entry.RegionId.Value))
|
||
.AnyAsync(cancellationToken);
|
||
if (!exists)
|
||
{
|
||
throw new ContentManagementException("Content entry was not found.", "entry_not_found");
|
||
}
|
||
}
|
||
|
||
private async Task AssertNodeAsync(Guid tenantId, Guid? nodeId, CancellationToken cancellationToken)
|
||
{
|
||
await AssertReferenceAsync<ContentNode>(tenantId, nodeId, "node_not_found", cancellationToken);
|
||
}
|
||
|
||
private async Task AssertNodeAsync(
|
||
ContentManagementActor actor,
|
||
CurrentDataScope scope,
|
||
Guid? nodeId,
|
||
CancellationToken cancellationToken)
|
||
{
|
||
if (!nodeId.HasValue)
|
||
{
|
||
return;
|
||
}
|
||
|
||
var regionIds = scope.RegionIds.ToArray();
|
||
var exists = await dbContext.ContentNodes
|
||
.Where(node => node.TenantId == actor.TenantId && node.Id == nodeId.Value)
|
||
.ApplyDataScope(
|
||
scope,
|
||
node => node.CreatedBy == actor.UserId,
|
||
node => node.RegionId.HasValue && regionIds.Contains(node.RegionId.Value))
|
||
.AnyAsync(cancellationToken);
|
||
if (!exists)
|
||
{
|
||
throw new ContentManagementException("Content node was not found.", "node_not_found");
|
||
}
|
||
}
|
||
|
||
private async Task<CurrentDataScope> RequireDataScopeAsync(
|
||
ContentManagementActor actor,
|
||
CancellationToken cancellationToken)
|
||
{
|
||
var access = await currentAccessContext.GetAsync(cancellationToken);
|
||
if (!access.IsCurrentTenantMember || access.UserId != actor.UserId || access.TenantId != actor.TenantId)
|
||
{
|
||
throw new ContentManagementException("Content resource was not found.", "content_not_found");
|
||
}
|
||
|
||
return access.DataScope;
|
||
}
|
||
|
||
private async Task AssertReferenceAsync<TEntity>(
|
||
Guid tenantId,
|
||
Guid? id,
|
||
string code,
|
||
CancellationToken cancellationToken)
|
||
where TEntity : class
|
||
{
|
||
if (!id.HasValue)
|
||
{
|
||
return;
|
||
}
|
||
|
||
var exists = await dbContext.Set<TEntity>()
|
||
.AnyAsync(entity =>
|
||
EF.Property<Guid>(entity, nameof(ContentEntry.TenantId)) == tenantId &&
|
||
EF.Property<Guid>(entity, nameof(ContentEntry.Id)) == id.Value,
|
||
cancellationToken);
|
||
|
||
if (!exists)
|
||
{
|
||
throw new ContentManagementException("Referenced entity was not found in this tenant.", code);
|
||
}
|
||
}
|
||
|
||
private static async Task<TEntity?> ResolveEntityAsync<TEntity>(
|
||
DbSet<TEntity> set,
|
||
Guid tenantId,
|
||
Guid? id,
|
||
System.Linq.Expressions.Expression<Func<TEntity, bool>> alternatePredicate,
|
||
CancellationToken cancellationToken)
|
||
where TEntity : class
|
||
{
|
||
if (id.HasValue)
|
||
{
|
||
var byId = await set.SingleOrDefaultAsync(entity =>
|
||
EF.Property<Guid>(entity, nameof(ContentEntry.TenantId)) == tenantId &&
|
||
EF.Property<Guid>(entity, nameof(ContentEntry.Id)) == id.Value,
|
||
cancellationToken);
|
||
if (byId is not null)
|
||
{
|
||
return byId;
|
||
}
|
||
}
|
||
|
||
return await set
|
||
.Where(entity => EF.Property<Guid>(entity, nameof(ContentEntry.TenantId)) == tenantId)
|
||
.SingleOrDefaultAsync(alternatePredicate, cancellationToken);
|
||
}
|
||
|
||
private static async Task<TEntity?> ResolveEntityByIdOrLegacyAsync<TEntity>(
|
||
DbSet<TEntity> set,
|
||
Guid tenantId,
|
||
Guid? id,
|
||
string? legacyId,
|
||
CancellationToken cancellationToken)
|
||
where TEntity : class
|
||
{
|
||
if (id.HasValue)
|
||
{
|
||
var byId = await set.SingleOrDefaultAsync(entity =>
|
||
EF.Property<Guid>(entity, nameof(ContentEntry.TenantId)) == tenantId &&
|
||
EF.Property<Guid>(entity, nameof(ContentEntry.Id)) == id.Value,
|
||
cancellationToken);
|
||
if (byId is not null)
|
||
{
|
||
return byId;
|
||
}
|
||
}
|
||
|
||
var normalizedLegacyId = Normalize(legacyId);
|
||
if (normalizedLegacyId is null)
|
||
{
|
||
return null;
|
||
}
|
||
|
||
return await set.SingleOrDefaultAsync(entity =>
|
||
EF.Property<Guid>(entity, nameof(ContentEntry.TenantId)) == tenantId &&
|
||
EF.Property<string?>(entity, nameof(ContentEntry.LegacyId)) == normalizedLegacyId,
|
||
cancellationToken);
|
||
}
|
||
|
||
private static ContentEntryManagementItem ToEntryItem(ContentEntry entry)
|
||
{
|
||
return new ContentEntryManagementItem(
|
||
entry.Id,
|
||
entry.RegionId,
|
||
entry.LegacyId,
|
||
entry.EntryKey,
|
||
entry.Name,
|
||
entry.EntryType,
|
||
entry.Icon,
|
||
entry.Route,
|
||
entry.Description,
|
||
entry.Visibility,
|
||
entry.AccessRules,
|
||
entry.LayoutConfig,
|
||
entry.SortOrder,
|
||
entry.IsActive,
|
||
entry.CreatedAt,
|
||
entry.UpdatedAt);
|
||
}
|
||
|
||
private static ContentNodeManagementItem ToNodeItem(ContentNode node)
|
||
{
|
||
return new ContentNodeManagementItem(
|
||
node.Id,
|
||
node.EntryId,
|
||
node.RegionId,
|
||
node.ParentId,
|
||
node.LegacyId,
|
||
node.NodeKey,
|
||
node.Name,
|
||
node.NodeType,
|
||
node.MarkerType,
|
||
node.MarkerConfig,
|
||
node.Path,
|
||
node.Depth,
|
||
node.SortOrder,
|
||
node.IsActive,
|
||
node.IsSelectable,
|
||
node.IsLeaf,
|
||
node.AccessRules,
|
||
node.Metadata,
|
||
node.CreatedAt,
|
||
node.UpdatedAt);
|
||
}
|
||
|
||
private static QuestionCollectionManagementItem ToCollectionItem(QuestionCollection collection)
|
||
{
|
||
return new QuestionCollectionManagementItem(
|
||
collection.Id,
|
||
collection.RegionId,
|
||
collection.EntryId,
|
||
collection.NodeId,
|
||
collection.SubjectId,
|
||
collection.CategoryId,
|
||
collection.QuestionBankId,
|
||
collection.LegacyId,
|
||
collection.Name,
|
||
collection.CollectionType,
|
||
collection.SourceType,
|
||
collection.Filters,
|
||
collection.QuestionCount,
|
||
collection.TotalScore,
|
||
collection.DurationMinutes,
|
||
collection.Status,
|
||
collection.SortOrder,
|
||
collection.AccessRules,
|
||
collection.Metadata,
|
||
collection.CreatedAt,
|
||
collection.UpdatedAt);
|
||
}
|
||
|
||
private static QuestionCollectionItemManagementItem ToCollectionItemItem(QuestionCollectionItem item)
|
||
{
|
||
return new QuestionCollectionItemManagementItem(
|
||
item.Id,
|
||
item.CollectionId,
|
||
item.QuestionId,
|
||
new QuestionLocator(
|
||
item.QuestionOwnerTenantId == item.TenantId ? QuestionSource.Tenant : QuestionSource.Platform,
|
||
item.QuestionId),
|
||
item.SectionKey,
|
||
item.SortOrder,
|
||
item.Score,
|
||
item.Required,
|
||
item.Metadata);
|
||
}
|
||
|
||
private static PracticeBlueprintManagementItem ToBlueprintItem(PracticeBlueprint blueprint)
|
||
{
|
||
return new PracticeBlueprintManagementItem(
|
||
blueprint.Id,
|
||
blueprint.RegionId,
|
||
blueprint.EntryId,
|
||
blueprint.NodeId,
|
||
blueprint.CollectionId,
|
||
blueprint.LegacyId,
|
||
blueprint.Name,
|
||
blueprint.Mode,
|
||
blueprint.AssemblyType,
|
||
blueprint.QuestionLimit,
|
||
blueprint.DurationMinutes,
|
||
blueprint.TotalScore,
|
||
blueprint.PassScore,
|
||
blueprint.Sections,
|
||
blueprint.Rules,
|
||
blueprint.AccessRules,
|
||
blueprint.Status,
|
||
blueprint.SortOrder,
|
||
blueprint.CreatedAt,
|
||
blueprint.UpdatedAt);
|
||
}
|
||
|
||
private static int ResolveLimit(int? limit)
|
||
{
|
||
return limit is > 0 ? Math.Min(limit.Value, MaxLimit) : DefaultLimit;
|
||
}
|
||
|
||
private static string? Normalize(string? value)
|
||
{
|
||
return string.IsNullOrWhiteSpace(value) ? null : value.Trim();
|
||
}
|
||
|
||
private static JsonElement JsonObjectOrDefault(JsonElement value)
|
||
{
|
||
return value.ValueKind is JsonValueKind.Undefined or JsonValueKind.Null
|
||
? JsonDefaults.Object()
|
||
: value;
|
||
}
|
||
|
||
private static JsonElement JsonArrayOrDefault(JsonElement value)
|
||
{
|
||
return value.ValueKind is JsonValueKind.Undefined or JsonValueKind.Null
|
||
? JsonDefaults.Array()
|
||
: value;
|
||
}
|
||
|
||
private static TEnum Parse<TEnum>(string? value, TEnum fallback, string code)
|
||
where TEnum : struct
|
||
{
|
||
if (string.IsNullOrWhiteSpace(value))
|
||
{
|
||
return fallback;
|
||
}
|
||
|
||
if (Enum.TryParse<TEnum>(value, ignoreCase: true, out var parsed))
|
||
{
|
||
return parsed;
|
||
}
|
||
|
||
throw new ContentManagementException("Invalid enum value.", code);
|
||
}
|
||
|
||
private static TEnum? ParseNullable<TEnum>(string? value, string code)
|
||
where TEnum : struct
|
||
{
|
||
if (string.IsNullOrWhiteSpace(value))
|
||
{
|
||
return null;
|
||
}
|
||
|
||
if (Enum.TryParse<TEnum>(value, ignoreCase: true, out var parsed))
|
||
{
|
||
return parsed;
|
||
}
|
||
|
||
throw new ContentManagementException("Invalid enum value.", code);
|
||
}
|
||
|
||
private static bool TryParse<TEnum>(string? value, out TEnum parsed)
|
||
where TEnum : struct
|
||
{
|
||
return Enum.TryParse(value, ignoreCase: true, out parsed);
|
||
}
|
||
|
||
private static string EscapeCsv(string value)
|
||
{
|
||
return value.Contains(',') || value.Contains('"') || value.Contains('\n')
|
||
? $"\"{value.Replace("\"", "\"\"", StringComparison.Ordinal)}\""
|
||
: value;
|
||
}
|
||
|
||
private static ImportSpec ResolveImportSpec(string importType)
|
||
{
|
||
var normalized = importType.Trim().ToLowerInvariant();
|
||
return Specs.TryGetValue(normalized, out var spec)
|
||
? spec
|
||
: throw new ContentManagementException("Import type is not supported.", "import_type_invalid");
|
||
}
|
||
|
||
private sealed record ImportSpec(
|
||
string ImportType,
|
||
string Title,
|
||
string Description,
|
||
IReadOnlyCollection<ImportFieldSpec> Fields,
|
||
string[][] CsvRows,
|
||
object JsonExample);
|
||
|
||
private static ImportFieldSpec Field(
|
||
string field,
|
||
string label,
|
||
bool required,
|
||
string[] aliases,
|
||
string description,
|
||
object example)
|
||
{
|
||
return new ImportFieldSpec(
|
||
field,
|
||
label,
|
||
required,
|
||
aliases,
|
||
description,
|
||
JsonSerializer.SerializeToElement(example));
|
||
}
|
||
|
||
private static readonly IReadOnlyDictionary<string, ImportSpec> Specs =
|
||
new Dictionary<string, ImportSpec>(StringComparer.Ordinal)
|
||
{
|
||
["questions"] = new(
|
||
"questions",
|
||
"题目导入模板",
|
||
"用于导入刷题题库，后端会校验题型、答案、目标科目、分类、题集和租户隔离。",
|
||
[
|
||
Field("legacyId", "旧系统 ID", false, ["legacy_id", "externalId", "id"], "用于幂等更新。", "tj-english-2026-001"),
|
||
Field("type", "题型", true, ["题型", "questionType"], "choice、multi、judge、reading、short_answer 等。", "choice"),
|
||
Field("content", "题干", true, ["题干", "stem", "question"], "支持 Markdown、图片 URL 和公式。", "多租户 SaaS 最重要的安全边界是什么？"),
|
||
Field("options", "选项", false, ["选项", "choices"], "客观题选项。", new[] { "前端隐藏", "后端权限" }),
|
||
Field("correctOptionIndices", "正确选项索引", false, ["答案", "answer"], "从 0 开始；CSV 可用 A/B/C/D。", new[] { 1 }),
|
||
Field("answerText", "文字答案", false, ["主观题答案"], "主观题答案。", "以后端权限和数据库约束为准。"),
|
||
Field("explanation", "解析", false, ["解析", "analysis"], "题目解析内容。", "最终权限以后端强制为准。"),
|
||
Field("difficulty", "难度", false, ["难度"], "建议 1-5。", 2),
|
||
Field("tags", "标签", false, ["标签", "tag"], "JSON 数组或 CSV 中用 | 分隔。", new[] { "安全", "多租户" })
|
||
],
|
||
[
|
||
["legacyId", "type", "content", "选项A", "选项B", "答案", "explanation", "difficulty", "tags"],
|
||
["tj-english-2026-001", "choice", "多租户 SaaS 最重要的安全边界是什么？", "前端隐藏", "后端权限", "B", "最终权限以后端强制为准。", "2", "安全|多租户"]
|
||
],
|
||
new
|
||
{
|
||
items = new[]
|
||
{
|
||
new
|
||
{
|
||
legacyId = "tj-english-2026-001",
|
||
type = "choice",
|
||
content = "多租户 SaaS 最重要的安全边界是什么？",
|
||
options = new[] { "前端隐藏", "后端权限" },
|
||
correctOptionIndices = new[] { 1 },
|
||
explanation = "最终权限以后端强制为准。",
|
||
difficulty = 2,
|
||
tags = new[] { "安全", "多租户" }
|
||
}
|
||
}
|
||
}),
|
||
["vocabulary"] = new(
|
||
"vocabulary",
|
||
"单词导入模板",
|
||
"用于导入词汇单元和单词，后端会按单元归组并幂等写入。",
|
||
[
|
||
Field("unitName", "单元名称", true, ["unit", "单元"], "单词所属单元。", "核心词汇 Unit 1"),
|
||
Field("word", "单词", true, ["单词"], "英文单词或词组。", "scale"),
|
||
Field("meaning", "释义", true, ["释义", "中文"], "中文释义。", "n. 规模；等级"),
|
||
Field("phonetic", "音标", false, ["音标"], "音标展示文本。", "/skeil/"),
|
||
Field("example", "例句", false, ["例句"], "英文例句。", "The platform must scale safely.")
|
||
],
|
||
[
|
||
["unitName", "word", "phonetic", "meaning", "example", "difficulty", "tags"],
|
||
["核心词汇 Unit 1", "scale", "/skeil/", "n. 规模；等级", "The platform must scale safely.", "2", "高频|SaaS"]
|
||
],
|
||
new { units = new[] { new { name = "核心词汇 Unit 1", words = new[] { new { word = "scale", meaning = "n. 规模；等级" } } } } }),
|
||
["handbook"] = new(
|
||
"handbook",
|
||
"知识手册导入模板",
|
||
"用于导入手册科目、章节、小节和知识点。",
|
||
[
|
||
Field("subjectName", "手册科目", true, ["subject", "手册"], "知识手册顶层名称。", "专升本英语知识手册"),
|
||
Field("chapterName", "章节", true, ["chapter", "章节"], "章节名称。", "第一章 语法基础"),
|
||
Field("title", "知识点标题", true, ["entryTitle", "标题"], "知识点条目标题。", "that 引导的主语从句"),
|
||
Field("content", "正文", true, ["正文", "markdown"], "Markdown 正文。", "主语从句可放在句首。")
|
||
],
|
||
[
|
||
["subjectName", "chapterName", "title", "content", "tags"],
|
||
["专升本英语知识手册", "第一章 语法基础", "that 引导的主语从句", "主语从句可放在句首。", "语法"]
|
||
],
|
||
new { subjects = new[] { new { name = "专升本英语知识手册", chapters = new[] { new { name = "第一章 语法基础" } } } } }),
|
||
["scoreline"] = new(
|
||
"scoreline",
|
||
"分数线导入模板",
|
||
"用于导入动态字段、院校、专业和年份分数线记录。",
|
||
[
|
||
Field("kind", "数据类型", true, ["type", "类型"], "field、school、major、record。", "record"),
|
||
Field("schoolName", "院校名称", false, ["school", "院校"], "院校名称。", "天津职业技术师范大学"),
|
||
Field("majorName", "专业名称", false, ["major", "专业"], "专业名称。", "软件工程"),
|
||
Field("year", "年份", false, ["年份"], "record 常用。", 2026),
|
||
Field("fieldValues", "字段值", false, ["values", "分数字段"], "record 的动态字段 JSON。", new { minScore = 188 })
|
||
],
|
||
[
|
||
["kind", "schoolName", "majorName", "year", "minScore"],
|
||
["record", "天津职业技术师范大学", "软件工程", "2026", "188"]
|
||
],
|
||
new { records = new[] { new { schoolName = "天津职业技术师范大学", majorName = "软件工程", year = 2026, fieldValues = new { minScore = 188 } } } }),
|
||
["videos"] = new(
|
||
"videos",
|
||
"视频解析导入模板",
|
||
"用于导入视频解析元数据并绑定到题目。",
|
||
[
|
||
Field("title", "标题", true, ["视频标题", "name"], "视频标题。", "多租户隔离题解析"),
|
||
Field("videoUrl", "视频 URL", false, ["video_url", "url"], "外部视频 URL。", "https://cdn.example.test/video.mp4"),
|
||
Field("assetId", "资源 ID", false, ["asset_id"], "对象存储资源台账 ID。", "00000000-0000-0000-0000-000000000000"),
|
||
Field("legacyQuestionId", "题目外部 ID", false, ["legacy_question_id"], "按旧题目 ID 绑定。", "tj-english-2026-001")
|
||
],
|
||
[
|
||
["title", "videoUrl", "legacyQuestionId", "videoType"],
|
||
["多租户隔离题解析", "https://cdn.example.test/video.mp4", "tj-english-2026-001", "specific"]
|
||
],
|
||
new { videos = new[] { new { title = "多租户隔离题解析", videoUrl = "https://cdn.example.test/video.mp4" } } })
|
||
};
|
||
}
|