493 lines
19 KiB
C#
493 lines
19 KiB
C#
using System.ComponentModel.DataAnnotations;
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using System.Globalization;
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using DysonNetwork.Shared.Auth;
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using DysonNetwork.Shared.Data;
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using DysonNetwork.Shared.Models;
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using DysonNetwork.Shared.Proto;
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using DysonNetwork.Shared.Registry;
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using DysonNetwork.Sphere.Poll;
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using DysonNetwork.Sphere.Wallet;
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using DysonNetwork.Sphere.WebReader;
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using Grpc.Core;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.EntityFrameworkCore;
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using NodaTime;
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using Swashbuckle.AspNetCore.Annotations;
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using PublisherMemberRole = DysonNetwork.Shared.Models.PublisherMemberRole;
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using PublisherService = DysonNetwork.Sphere.Publisher.PublisherService;
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namespace DysonNetwork.Sphere.Post;
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[ApiController]
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[Route("/api/posts")]
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public class PostController(
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AppDatabase db,
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PostService ps,
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PublisherService pub,
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RemoteAccountService remoteAccountsHelper,
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AccountService.AccountServiceClient accounts,
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RemoteRealmService rs
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) : ControllerBase
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{
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[HttpGet("featured")]
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public async Task<ActionResult<List<SnPost>>> ListFeaturedPosts()
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{
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HttpContext.Items.TryGetValue("CurrentUser", out var currentUserValue);
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var currentUser = currentUserValue as Account;
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var posts = await ps.ListFeaturedPostsAsync(currentUser);
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return Ok(posts);
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}
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/// <summary>
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/// Retrieves a paginated list of posts with optional filtering and sorting.
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/// </summary>
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/// <param name="includeReplies">Whether to include reply posts in the results. If false, only root posts are returned.</param>
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/// <param name="offset">The number of posts to skip for pagination.</param>
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/// <param name="take">The maximum number of posts to return (default: 20).</param>
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/// <param name="pubName">Filter posts by publisher name.</param>
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/// <param name="realmName">Filter posts by realm slug.</param>
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/// <param name="type">Filter posts by post type (as integer).</param>
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/// <param name="categories">Filter posts by category slugs.</param>
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/// <param name="tags">Filter posts by tag slugs.</param>
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/// <param name="queryTerm">Search term to filter posts by title, description, or content.</param>
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/// <param name="onlyMedia">If true, only returns posts that have attachments.</param>
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/// <param name="shuffle">If true, returns posts in random order. If false, orders by published/created date (newest first).</param>
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/// <param name="pinned">If true, returns posts that pinned. If false, returns posts that are not pinned. If null, returns all posts.</param>
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/// <returns>
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/// Returns an ActionResult containing a list of Post objects that match the specified criteria.
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/// Includes an X-Total header with the total count of matching posts before pagination.
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/// </returns>
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/// <response code="200">Returns the list of posts matching the criteria.</response>
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[HttpGet]
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[ProducesResponseType(StatusCodes.Status200OK, Type = typeof(List<SnPost>))]
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[ProducesResponseType(StatusCodes.Status400BadRequest)]
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[SwaggerOperation(
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Summary = "Retrieves a paginated list of posts",
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Description =
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"Gets posts with various filtering and sorting options. Supports pagination and advanced search capabilities.",
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OperationId = "ListPosts",
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Tags = ["Posts"]
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)]
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[SwaggerResponse(
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StatusCodes.Status200OK,
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"Successfully retrieved the list of posts",
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typeof(List<SnPost>)
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)]
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[SwaggerResponse(StatusCodes.Status400BadRequest, "Invalid request parameters")]
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public async Task<ActionResult<List<SnPost>>> ListPosts(
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[FromQuery] int offset = 0,
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[FromQuery] int take = 20,
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[FromQuery(Name = "pub")] string? pubName = null,
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[FromQuery(Name = "realm")] string? realmName = null,
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[FromQuery(Name = "type")] int? type = null,
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[FromQuery(Name = "categories")] List<string>? categories = null,
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[FromQuery(Name = "tags")] List<string>? tags = null,
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[FromQuery(Name = "query")] string? queryTerm = null,
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[FromQuery(Name = "media")] bool onlyMedia = false,
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[FromQuery(Name = "shuffle")] bool shuffle = false,
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[FromQuery(Name = "replies")] bool? includeReplies = null,
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[FromQuery(Name = "pinned")] bool? pinned = null,
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[FromQuery(Name = "order")] string? order = null,
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[FromQuery(Name = "orderDesc")] bool orderDesc = true,
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[FromQuery(Name = "periodStart")] int? periodStartTime = null,
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[FromQuery(Name = "periodEnd")] int? periodEndTime = null
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)
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{
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HttpContext.Items.TryGetValue("CurrentUser", out var currentUserValue);
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var currentUser = currentUserValue as Account;
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Instant? periodStart = periodStartTime.HasValue
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? Instant.FromUnixTimeSeconds(periodStartTime.Value)
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: null;
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Instant? periodEnd = periodEndTime.HasValue
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? Instant.FromUnixTimeSeconds(periodEndTime.Value)
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: null;
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List<Guid> userFriends = [];
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if (currentUser != null)
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{
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var friendsResponse = await accounts.ListFriendsAsync(
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new ListRelationshipSimpleRequest { AccountId = currentUser.Id }
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);
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userFriends = friendsResponse.AccountsId.Select(Guid.Parse).ToList();
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}
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var accountId = currentUser is null ? Guid.Empty : Guid.Parse(currentUser.Id);
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var userPublishers = currentUser is null ? [] : await pub.GetUserPublishers(accountId);
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var userRealms = currentUser is null ? new List<Guid>() : await rs.GetUserRealms(accountId);
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var publicRealms = await rs.GetPublicRealms();
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var publicRealmIds = publicRealms.Select(r => r.Id).ToList();
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var visibleRealmIds = userRealms.Concat(publicRealmIds).Distinct().ToList();
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var publisher =
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pubName == null
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? null
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: await db.Publishers.FirstOrDefaultAsync(p => p.Name == pubName);
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var realm = realmName == null ? null : (await rs.GetRealmBySlug(realmName));
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var query = db
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.Posts.Include(e => e.Categories)
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.Include(e => e.Tags)
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.Include(e => e.RepliedPost)
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.Include(e => e.ForwardedPost)
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.Include(e => e.FeaturedRecords)
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.AsQueryable();
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if (publisher != null)
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query = query.Where(p => p.PublisherId == publisher.Id);
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if (type != null)
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query = query.Where(p => p.Type == (Shared.Models.PostType)type);
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if (categories is { Count: > 0 })
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query = query.Where(p => p.Categories.Any(c => categories.Contains(c.Slug)));
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if (tags is { Count: > 0 })
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query = query.Where(p => p.Tags.Any(c => tags.Contains(c.Slug)));
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if (onlyMedia)
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query = query.Where(e => e.Attachments.Count > 0);
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if (realm != null)
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query = query.Where(p => p.RealmId == realm.Id);
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else
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query = query.Where(p =>
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p.RealmId == null || visibleRealmIds.Contains(p.RealmId.Value)
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);
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if (periodStart != null)
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query = query.Where(p => (p.PublishedAt ?? p.CreatedAt) >= periodStart);
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if (periodEnd != null)
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query = query.Where(p => (p.PublishedAt ?? p.CreatedAt) <= periodEnd);
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switch (pinned)
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{
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case true when realm != null:
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query = query.Where(p => p.PinMode == Shared.Models.PostPinMode.RealmPage);
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break;
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case true when publisher != null:
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query = query.Where(p => p.PinMode == Shared.Models.PostPinMode.PublisherPage);
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break;
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case true:
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return BadRequest(
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"You need pass extra realm or publisher params in order to filter with pinned posts."
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);
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case false:
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query = query.Where(p => p.PinMode == null);
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break;
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}
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query = includeReplies switch
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{
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false => query.Where(e => e.RepliedPostId == null),
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true => query.Where(e => e.RepliedPostId != null),
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_ => query,
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};
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if (!string.IsNullOrWhiteSpace(queryTerm))
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{
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query = query.Where(p =>
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(p.Title != null && EF.Functions.ILike(p.Title, $"%{queryTerm}%"))
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|| (p.Description != null && EF.Functions.ILike(p.Description, $"%{queryTerm}%"))
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|| (p.Content != null && EF.Functions.ILike(p.Content, $"%{queryTerm}%"))
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);
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}
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query = query.FilterWithVisibility(
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currentUser,
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userFriends,
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userPublishers,
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isListing: true
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);
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if (shuffle)
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{
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query = query.OrderBy(e => EF.Functions.Random());
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}
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else
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{
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query = order switch
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{
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"popularity" => orderDesc
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? query.OrderByDescending(e => e.Upvotes * 10 - e.Downvotes * 10 + e.AwardedScore)
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: query.OrderBy(e => e.Upvotes * 10 - e.Downvotes * 10 + e.AwardedScore),
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_ => orderDesc
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? query.OrderByDescending(e => e.PublishedAt ?? e.CreatedAt)
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: query.OrderBy(e => e.PublishedAt ?? e.CreatedAt)
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};
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}
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var totalCount = await query.CountAsync();
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var posts = await query.Skip(offset).Take(take).ToListAsync();
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foreach (var post in posts)
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{
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// Prevent to load nested replied post
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if (post.RepliedPost != null)
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post.RepliedPost.RepliedPost = null;
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}
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posts = await ps.LoadPostInfo(posts, currentUser, true);
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// Load realm data for posts that have realm
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await LoadPostsRealmsAsync(posts, rs);
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Response.Headers["X-Total"] = totalCount.ToString();
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return Ok(posts);
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}
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private static async Task LoadPostsRealmsAsync(List<SnPost> posts, RemoteRealmService rs)
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{
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var postRealmIds = posts
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.Where(p => p.RealmId != null)
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.Select(p => p.RealmId!.Value)
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.Distinct()
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.ToList();
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if (!postRealmIds.Any())
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return;
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var realms = await rs.GetRealmBatch(postRealmIds.Select(id => id.ToString()).ToList());
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var realmDict = realms.GroupBy(r => r.Id).ToDictionary(g => g.Key, g => g.FirstOrDefault());
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foreach (var post in posts.Where(p => p.RealmId != null))
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{
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if (realmDict.TryGetValue(post.RealmId!.Value, out var realm))
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{
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post.Realm = realm;
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}
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}
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}
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[HttpGet("{publisherName}/{slug}")]
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public async Task<ActionResult<SnPost>> GetPost(string publisherName, string slug)
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{
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HttpContext.Items.TryGetValue("CurrentUser", out var currentUserValue);
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var currentUser = currentUserValue as Account;
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List<Guid> userFriends = [];
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if (currentUser != null)
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{
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var friendsResponse = await accounts.ListFriendsAsync(
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new ListRelationshipSimpleRequest { AccountId = currentUser.Id }
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);
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userFriends = friendsResponse.AccountsId.Select(Guid.Parse).ToList();
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}
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var userPublishers = currentUser is null
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? []
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: await pub.GetUserPublishers(Guid.Parse(currentUser.Id));
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var post = await db
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.Posts.Include(e => e.Publisher)
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.Where(e => e.Slug == slug && e.Publisher.Name == publisherName)
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.Include(e => e.Tags)
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.Include(e => e.Categories)
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.Include(e => e.RepliedPost)
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.Include(e => e.ForwardedPost)
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.Include(e => e.FeaturedRecords)
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.FilterWithVisibility(currentUser, userFriends, userPublishers)
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.FirstOrDefaultAsync();
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if (post is null)
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return NotFound();
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post = await ps.LoadPostInfo(post, currentUser);
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if (post.RealmId != null)
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post.Realm = await rs.GetRealm(post.RealmId.Value.ToString());
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return Ok(post);
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}
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[HttpGet("{id:guid}")]
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public async Task<ActionResult<SnPost>> GetPost(Guid id)
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{
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HttpContext.Items.TryGetValue("CurrentUser", out var currentUserValue);
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var currentUser = currentUserValue as Account;
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List<Guid> userFriends = [];
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if (currentUser != null)
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{
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var friendsResponse = await accounts.ListFriendsAsync(
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new ListRelationshipSimpleRequest { AccountId = currentUser.Id }
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);
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userFriends = friendsResponse.AccountsId.Select(Guid.Parse).ToList();
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}
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var userPublishers = currentUser is null
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? []
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: await pub.GetUserPublishers(Guid.Parse(currentUser.Id));
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var post = await db
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.Posts.Where(e => e.Id == id)
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.Include(e => e.Publisher)
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.Include(e => e.Tags)
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.Include(e => e.Categories)
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.Include(e => e.RepliedPost)
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.Include(e => e.ForwardedPost)
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.Include(e => e.FeaturedRecords)
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.FilterWithVisibility(currentUser, userFriends, userPublishers)
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.FirstOrDefaultAsync();
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if (post is null)
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return NotFound();
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post = await ps.LoadPostInfo(post, currentUser);
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if (post.RealmId != null)
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{
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post.Realm = await rs.GetRealm(post.RealmId.Value.ToString());
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}
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return Ok(post);
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}
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[HttpGet("{id:guid}/reactions")]
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public async Task<ActionResult<List<SnPostReaction>>> GetReactions(
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Guid id,
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[FromQuery] string? symbol = null,
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[FromQuery] int offset = 0,
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[FromQuery] int take = 20
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)
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{
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var query = db.PostReactions.Where(e => e.PostId == id);
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if (symbol is not null)
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query = query.Where(e => e.Symbol == symbol);
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var totalCount = await query.CountAsync();
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Response.Headers.Append("X-Total", totalCount.ToString());
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var reactions = await query
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.OrderBy(r => r.Symbol)
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.ThenByDescending(r => r.CreatedAt)
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.Take(take)
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.Skip(offset)
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.ToListAsync();
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var accountsProto = await remoteAccountsHelper.GetAccountBatch(
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reactions.Select(r => r.AccountId).ToList()
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);
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var accounts = accountsProto.ToDictionary(
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a => Guid.Parse(a.Id),
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a => SnAccount.FromProtoValue(a)
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);
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foreach (var reaction in reactions)
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if (accounts.TryGetValue(reaction.AccountId, out var account))
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reaction.Account = account;
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return Ok(reactions);
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}
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[HttpGet("{id:guid}/replies/featured")]
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public async Task<ActionResult<SnPost>> GetFeaturedReply(Guid id)
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{
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HttpContext.Items.TryGetValue("CurrentUser", out var currentUserValue);
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var currentUser = currentUserValue as Account;
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List<Guid> userFriends = [];
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if (currentUser != null)
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{
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var friendsResponse = await accounts.ListFriendsAsync(
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new ListRelationshipSimpleRequest { AccountId = currentUser.Id }
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);
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userFriends = friendsResponse.AccountsId.Select(Guid.Parse).ToList();
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}
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var userPublishers = currentUser is null
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? []
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: await pub.GetUserPublishers(Guid.Parse(currentUser.Id));
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var now = SystemClock.Instance.GetCurrentInstant();
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var post = await db
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.Posts.Where(e => e.RepliedPostId == id)
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.OrderByDescending(p =>
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p.Upvotes * 2 - p.Downvotes + ((p.CreatedAt - now).TotalMinutes < 60 ? 5 : 0)
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)
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.FilterWithVisibility(currentUser, userFriends, userPublishers)
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.FirstOrDefaultAsync();
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if (post is null)
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return NotFound();
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post = await ps.LoadPostInfo(post, currentUser, true);
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return Ok(post);
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}
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[HttpGet("{id:guid}/replies/pinned")]
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public async Task<ActionResult<List<SnPost>>> ListPinnedReplies(Guid id)
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{
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HttpContext.Items.TryGetValue("CurrentUser", out var currentUserValue);
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var currentUser = currentUserValue as Account;
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List<Guid> userFriends = [];
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if (currentUser != null)
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{
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var friendsResponse = await accounts.ListFriendsAsync(
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new ListRelationshipSimpleRequest { AccountId = currentUser.Id }
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);
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userFriends = friendsResponse.AccountsId.Select(Guid.Parse).ToList();
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}
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var userPublishers = currentUser is null
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? []
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: await pub.GetUserPublishers(Guid.Parse(currentUser.Id));
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var now = SystemClock.Instance.GetCurrentInstant();
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var posts = await db
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.Posts.Where(e =>
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e.RepliedPostId == id && e.PinMode == Shared.Models.PostPinMode.ReplyPage
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)
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.OrderByDescending(p => p.CreatedAt)
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.FilterWithVisibility(currentUser, userFriends, userPublishers)
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.ToListAsync();
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posts = await ps.LoadPostInfo(posts, currentUser);
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return Ok(posts);
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}
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[HttpGet("{id:guid}/replies")]
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public async Task<ActionResult<List<SnPost>>> ListReplies(
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Guid id,
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[FromQuery] int offset = 0,
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[FromQuery] int take = 20
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)
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{
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HttpContext.Items.TryGetValue("CurrentUser", out var currentUserValue);
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var currentUser = currentUserValue as Account;
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List<Guid> userFriends = [];
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if (currentUser != null)
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{
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var friendsResponse = await accounts.ListFriendsAsync(
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new ListRelationshipSimpleRequest { AccountId = currentUser.Id }
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);
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userFriends = friendsResponse.AccountsId.Select(Guid.Parse).ToList();
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}
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var userPublishers = currentUser is null
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? []
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: await pub.GetUserPublishers(Guid.Parse(currentUser.Id));
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var parent = await db.Posts.Where(e => e.Id == id).FirstOrDefaultAsync();
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if (parent is null)
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return NotFound();
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var totalCount = await db
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.Posts.Where(e => e.RepliedPostId == parent.Id)
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.FilterWithVisibility(currentUser, userFriends, userPublishers, isListing: true)
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.CountAsync();
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var posts = await db
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.Posts.Where(e => e.RepliedPostId == id)
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.Include(e => e.ForwardedPost)
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.Include(e => e.Categories)
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.Include(e => e.Tags)
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.Include(e => e.FeaturedRecords)
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.FilterWithVisibility(currentUser, userFriends, userPublishers, isListing: true)
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.OrderByDescending(e => e.PublishedAt ?? e.CreatedAt)
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.Skip(offset)
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.Take(take)
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.ToListAsync();
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posts = await ps.LoadPostInfo(posts, currentUser, true);
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var postsId = posts.Select(e => e.Id).ToList();
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var reactionMaps = await ps.GetPostReactionMapBatch(postsId);
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foreach (var post in posts)
|
|
post.ReactionsCount = reactionMaps.TryGetValue(post.Id, out var count)
|
|
? count
|
|
: new Dictionary<string, int>();
|
|
|
|
Response.Headers["X-Total"] = totalCount.ToString();
|
|
|
|
return Ok(posts);
|
|
}
|
|
}
|