| | | 1 | | using System.ComponentModel.DataAnnotations; |
| | | 2 | | using System.Reflection; |
| | | 3 | | using Microsoft.EntityFrameworkCore; |
| | | 4 | | using OzonDomains.Models.Authorization; |
| | | 5 | | using OzonDomains.Models.Authorization.Enums; |
| | | 6 | | using OzonRepositories.Context; |
| | | 7 | | |
| | | 8 | | namespace OzonOrdersWeb.Authorization.Discovery; |
| | | 9 | | |
| | | 10 | | public sealed class FieldDiscoveryService : IFieldDiscoveryService |
| | | 11 | | { |
| | | 12 | | private readonly ApplicationDbContext _db; |
| | | 13 | | |
| | 0 | 14 | | public FieldDiscoveryService(ApplicationDbContext db) |
| | | 15 | | { |
| | 0 | 16 | | _db = db; |
| | 0 | 17 | | } |
| | | 18 | | |
| | | 19 | | public async Task<List<DiscoveredField>> DiscoverAsync(CancellationToken ct = default) |
| | | 20 | | { |
| | 0 | 21 | | var existing = await _db.AppFields.AsNoTracking() |
| | 0 | 22 | | .Select(f => new { f.EntityName, f.FieldName }) |
| | 0 | 23 | | .ToListAsync(ct); |
| | 0 | 24 | | var existingSet = existing |
| | | 25 | | .Select(e => Key(e.EntityName, e.FieldName)) |
| | 0 | 26 | | .ToHashSet(StringComparer.OrdinalIgnoreCase); |
| | | 27 | | |
| | 0 | 28 | | var result = new List<DiscoveredField>(); |
| | 0 | 29 | | var seen = new HashSet<string>(StringComparer.OrdinalIgnoreCase); |
| | 0 | 30 | | foreach (var type in GetTypesWithDiscoverFields()) |
| | | 31 | | { |
| | 0 | 32 | | var attr = type.GetCustomAttribute<DiscoverFieldsAttribute>()!; |
| | 0 | 33 | | foreach (var prop in type.GetProperties(BindingFlags.Public | BindingFlags.Instance)) |
| | | 34 | | { |
| | 0 | 35 | | if (!prop.CanRead || !prop.CanWrite) continue; |
| | 0 | 36 | | var key = Key(attr.EntityName, prop.Name); |
| | 0 | 37 | | if (!seen.Add(key)) continue; |
| | | 38 | | |
| | 0 | 39 | | var displayAttr = prop.GetCustomAttribute<DisplayAttribute>(); |
| | 0 | 40 | | var displayName = displayAttr?.Name ?? prop.Name; |
| | 0 | 41 | | result.Add(new DiscoveredField |
| | 0 | 42 | | { |
| | 0 | 43 | | EntityName = attr.EntityName, |
| | 0 | 44 | | FieldName = prop.Name, |
| | 0 | 45 | | DisplayName = displayName, |
| | 0 | 46 | | ExistsInDb = existingSet.Contains(key), |
| | 0 | 47 | | }); |
| | | 48 | | } |
| | | 49 | | } |
| | | 50 | | return result.OrderBy(r => r.ExistsInDb).ThenBy(r => r.EntityName).ThenBy(r => r.FieldName).ToList(); |
| | 0 | 51 | | } |
| | | 52 | | |
| | | 53 | | public async Task<int> SyncAllAsync(CancellationToken ct = default) |
| | | 54 | | { |
| | 0 | 55 | | var found = await DiscoverAsync(ct); |
| | 0 | 56 | | var added = 0; |
| | | 57 | | foreach (var d in found.Where(d => !d.ExistsInDb)) |
| | | 58 | | { |
| | 0 | 59 | | _db.AppFields.Add(new AppField |
| | 0 | 60 | | { |
| | 0 | 61 | | EntityName = d.EntityName, |
| | 0 | 62 | | FieldName = d.FieldName, |
| | 0 | 63 | | DisplayName = d.DisplayName, |
| | 0 | 64 | | FieldType = FieldType.FormField, |
| | 0 | 65 | | IsActive = true |
| | 0 | 66 | | }); |
| | 0 | 67 | | added++; |
| | | 68 | | } |
| | 0 | 69 | | if (added > 0) await _db.SaveChangesAsync(ct); |
| | 0 | 70 | | return added; |
| | 0 | 71 | | } |
| | | 72 | | |
| | | 73 | | private static IEnumerable<Type> GetTypesWithDiscoverFields() |
| | | 74 | | { |
| | 0 | 75 | | return AppDomain.CurrentDomain.GetAssemblies() |
| | 0 | 76 | | .Where(a => !a.IsDynamic) |
| | 0 | 77 | | .SelectMany(a => |
| | 0 | 78 | | { |
| | 0 | 79 | | try { return a.GetTypes(); } |
| | 0 | 80 | | catch { return Array.Empty<Type>(); } |
| | 0 | 81 | | }) |
| | 0 | 82 | | .Where(t => t.IsClass && !t.IsAbstract && t.GetCustomAttribute<DiscoverFieldsAttribute>() is not null); |
| | | 83 | | } |
| | | 84 | | |
| | 0 | 85 | | private static string Key(string entity, string field) => $"{entity.ToLowerInvariant()}|{field.ToLowerInvariant()}"; |
| | | 86 | | } |