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Dhananjaya99
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using Fitness_core_BE.Exceptions;
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using Fitness_core_BE.Helpers;
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using Fitness_core_BE.Infra.UoW;
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using Fitness_core_BE.Interfaces;
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using Fitness_core_BE.Interfaces.Services;
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using Fitness_core_BE.Models;
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using Fitness_core_BE.Models.IOs;
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namespace Fitness_core_BE.Services.Feed
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{
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public class FeedService : IFeedService
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{
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// DocumentTypes.DocumentId for FEED_POST (seeded in CentralDbContext/AppDBContext).
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private const int FeedPostDocumentTypeId = 1005;
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private readonly IFeedRepository _repository;
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private readonly UserRoleHelper _userRoleHelper;
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private readonly IUnitOfWork _uow;
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private readonly IActivityLogService _activityLogService;
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private readonly IDocumentService _documentService;
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private readonly IPushNotificationService _pushNotificationService;
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public FeedService(IFeedRepository repository, UserRoleHelper userRoleHelper, IUnitOfWork uow, IActivityLogService activityLogService, IDocumentService documentService, IPushNotificationService pushNotificationService)
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{
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_repository = repository;
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_userRoleHelper = userRoleHelper;
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_uow = uow;
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_activityLogService = activityLogService;
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_documentService = documentService;
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_pushNotificationService = pushNotificationService;
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}
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public async Task<object> GetFeedPostById(object payload, HttpContext httpContext)
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{
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var data = DeserializePayload.Deserialize(payload);
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Guid userId = DataExtractor.GetUserIdFromContext(httpContext);
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Guid postId = DataExtractor.GetRequiredGuid(data, "postId");
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FeedPost post = await _repository.GetFeedPostByIdAsync(userId, postId);
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return post;
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}
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public async Task<object> GetFeedForCustomer(object payload, HttpContext httpContext)
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{
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try
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{
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var data = DeserializePayload.Deserialize(payload);
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Guid userId = DataExtractor.GetUserIdFromContext(httpContext);
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int skip = data.ContainsKey("skip") && data["skip"].TryGetInt32(out var skipValue) ? skipValue : 0;
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int take = data.ContainsKey("take") && data["take"].TryGetInt32(out var takeValue) ? takeValue : 10;
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// A customer with no active gym has no single client feed to scope to — the
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// repository already falls back to the platform-wide feed for them (clientId
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// stays null), so this no longer short-circuits to an empty list.
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var (clientId, feedList) =
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await _repository.GetFeedForCustomerAsync(userId, skip, take);
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var feedListWithLikeCount = new List<object>();
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foreach (var feed in feedList)
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{
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var likeCount = await _repository.GetLikeCountAsync(feed.FeedPostId);
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feedListWithLikeCount.Add(new
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{
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feedPostId = feed.FeedPostId,
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caption = feed.Caption,
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description = feed.Description,
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userId = feed.FKUserId,
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docId = feed.FkDocId,
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isActive = feed.IsActive,
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createdAt = feed.CreatedAt,
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creator = feed.User.UserName,
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likeCount,
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clientId = clientId
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});
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}
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return feedListWithLikeCount;
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}
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catch
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{
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throw;
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}
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}
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//like
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public async Task<object> LikeAsync(object payload, HttpContext httpContext)
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{
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await _uow.BeginAsync();
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try
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{
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var data = DeserializePayload.Deserialize(payload);
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Guid userId = DataExtractor.GetUserIdFromContext(httpContext);
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Guid postId = Guid.Parse(data["postId"].GetString()!);
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if (!await _repository.IsLikedAsync(postId, userId))
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{
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await _repository.AddLikeAsync(postId, userId);
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await _uow.CommitAsync();
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return new { success = true, message = "Post liked successfully" };
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}
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return new { success = false, message = "Post already liked" };
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}
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catch
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{
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await _uow.RollbackAsync();
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throw;
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}
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}
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//check like
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public async Task<object> IsLikedAsync(object payload, HttpContext httpContext)
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{
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try
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{
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Guid userId = DataExtractor.GetUserIdFromContext(httpContext);
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var data = DeserializePayload.Deserialize(payload);
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Guid postId = Guid.Parse(data["postId"].GetString()!);
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bool isLiked = await _repository.IsLikedAsync(postId, userId);
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return new { isLiked };
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}
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catch
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{
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throw;
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}
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}
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public async Task<object> UnlikeAsync(object payload, HttpContext httpContext)
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{
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await _uow.BeginAsync();
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try
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{
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var data = DeserializePayload.Deserialize(payload);
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Guid postId = Guid.Parse(data["postId"].GetString()!);
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Guid userId = Guid.Parse(data["userId"].GetString()!);
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if (await _repository.IsLikedAsync(postId, userId))
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{
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await _repository.RemoveLikeAsync(postId, userId);
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await _uow.CommitAsync();
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return new { success = true, message = "Post unliked successfully" };
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}
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return new { success = false, message = "Post not liked yet" };
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}
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catch
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{
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await _uow.RollbackAsync();
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throw;
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}
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}
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//create feed
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public async Task<object> CreateFeed(object payload, HttpContext httpContext)
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{
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await _uow.BeginAsync();
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try
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{
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var data = DeserializePayload.Deserialize(payload);
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Guid userId = DataExtractor.GetUserIdFromContext(httpContext);
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// Tag every attachment with the FEED_POST document type unless the caller
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// already chose one. Must match a DocumentTypes row (UserDocuments FKs to it).
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object uploadPayload = payload;
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if (data.TryGetValue("document", out var documentsElement) &&
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documentsElement.ValueKind == System.Text.Json.JsonValueKind.Array)
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{
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var payloadJson = System.Text.Json.JsonSerializer.Serialize(data);
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var payloadDict = System.Text.Json.JsonSerializer.Deserialize<Dictionary<string, object>>(
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payloadJson) ?? new Dictionary<string, object>();
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var documentsArray = System.Text.Json.JsonSerializer.Deserialize<List<Dictionary<string, object>>>(
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documentsElement.GetRawText()) ?? new List<Dictionary<string, object>>();
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foreach (var document in documentsArray)
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{
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if (!document.ContainsKey("FileType"))
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{
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document["FileType"] = FeedPostDocumentTypeId;
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}
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}
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payloadDict["document"] = documentsArray;
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uploadPayload = payloadDict;
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}
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var docResponseObj = await _documentService.UploadDocument(uploadPayload, httpContext);
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dynamic docResponse = docResponseObj;
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if (docResponse == null || docResponse?.uploadResults == null || docResponse?.uploadResults.Count == 0)
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{
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await _uow.RollbackAsync();
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return new { success = false, message = "Document upload failed" };
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}
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var firstDoc = docResponse?.uploadResults[0];
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int docId = firstDoc?.DocumentId ?? 0;
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var feedPost = new FeedPost
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{
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Caption = data.ContainsKey("caption") ? data["caption"].GetString() : null,
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Description = data.ContainsKey("description") ? data["description"].GetString() : null,
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FkDocId = docId,
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FKUserId = userId
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};
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await _repository.CreateFeedAsync(feedPost);
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await _uow.CommitAsync();
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try
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{
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var customerIds = await _repository.GetActiveCustomerIdsByPosterUserIdAsync(userId);
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if (customerIds.Count > 0)
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{
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var caption = feedPost.Caption;
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var body = string.IsNullOrWhiteSpace(caption)
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? "Your gym shared a new post. Tap to view."
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: caption!.Length > 120 ? caption[..120] + "…" : caption;
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await _pushNotificationService.NotifyCustomersAsync(
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customerIds,
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"New post from your gym",
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body,
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"FeedPostCreated",
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"MainTabs",
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new { screen = "Connect" }
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);
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}
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}
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catch (Exception notifyEx)
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{
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Console.WriteLine($"Push notification failed (non-critical): {notifyEx.Message}");
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}
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return new { success = true, message = "Feed created successfully" };
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}
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catch
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{
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await _uow.RollbackAsync();
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throw;
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}
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}
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public async Task<object> ShowFeedByClient(object payload, HttpContext httpContext)
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{
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try
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{
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var data = DeserializePayload.Deserialize(payload);
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Guid userId = DataExtractor.GetUserIdFromContext(httpContext);
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Guid clientId = await _userRoleHelper.GetClientId(userId);
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var feedList = await _repository.GetFeedByClientAsync(clientId);
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if (feedList == null || !feedList.Any())
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{
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return new { success = false, message = "No feeds found", data = new List<object>() };
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}
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var FeedListWithDoc = new List<object>();
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foreach (var feed in feedList)
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{
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object? documentData = null;
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if (feed.FkDocId.HasValue)
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{
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try
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{
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var docPayload = new { documentId = feed.FkDocId.Value };
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documentData = await _documentService.GetDocumentById(docPayload, httpContext);
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}
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catch
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{
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documentData = null;
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}
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}
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var likeCount = await _repository.GetLikeCountAsync(feed.FeedPostId);
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FeedListWithDoc.Add(new
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{
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feedPostId = feed.FeedPostId,
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caption = feed.Caption,
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description = feed.Description,
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userId = feed.FKUserId,
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docId = feed.FkDocId,
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isActive = feed.IsActive,
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createdAt = feed.CreatedAt,
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likeCount = likeCount,
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document = documentData
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});
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}
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return new { success = true, message = "Feeds retrieved successfully", data = FeedListWithDoc };
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}
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catch
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{
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await _uow.RollbackAsync();
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throw;
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}
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}
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public async Task<object> DeleteFeedByPostId(object payload, HttpContext httpContext)
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{
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var data = DeserializePayload.Deserialize(payload);
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Guid createUserId = DataExtractor.GetUserIdFromContext(httpContext);
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Guid postId = DataExtractor.GetRequiredGuid(data, "postId");
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await _uow.BeginAsync();
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try
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{
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var result =await _repository.DeletePostPostIdAsync(createUserId, postId);
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await _uow.CommitAsync();
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return result;
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}
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catch
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{
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await _uow.RollbackAsync();
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throw new BadRequestException ("delete post failed") ;
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}
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}
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}
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}
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