Files
Swarm/DysonNetwork.Sphere/Post/PostActionController.cs
2025-12-04 00:26:54 +08:00

832 lines
29 KiB
C#

using System.ComponentModel.DataAnnotations;
using System.Globalization;
using DysonNetwork.Shared.Auth;
using DysonNetwork.Shared.Data;
using DysonNetwork.Shared.Models;
using DysonNetwork.Shared.Proto;
using DysonNetwork.Shared.Registry;
using DysonNetwork.Sphere.Poll;
using DysonNetwork.Sphere.Wallet;
using DysonNetwork.Sphere.WebReader;
using Grpc.Core;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using NodaTime;
using Swashbuckle.AspNetCore.Annotations;
using PostType = DysonNetwork.Shared.Models.PostType;
using PublisherMemberRole = DysonNetwork.Shared.Models.PublisherMemberRole;
using PublisherService = DysonNetwork.Sphere.Publisher.PublisherService;
namespace DysonNetwork.Sphere.Post;
[ApiController]
[Route("/api/posts")]
public class PostActionController(
AppDatabase db,
PostService ps,
PublisherService pub,
AccountService.AccountServiceClient accounts,
ActionLogService.ActionLogServiceClient als,
PaymentService.PaymentServiceClient payments,
PollService polls,
RemoteRealmService rs
) : ControllerBase
{
public class PostRequest
{
[MaxLength(1024)] public string? Title { get; set; }
[MaxLength(4096)] public string? Description { get; set; }
[MaxLength(1024)] public string? Slug { get; set; }
public string? Content { get; set; }
public Shared.Models.PostVisibility? Visibility { get; set; } =
Shared.Models.PostVisibility.Public;
public Shared.Models.PostType? Type { get; set; }
public Shared.Models.PostEmbedView? EmbedView { get; set; }
[MaxLength(16)] public List<string>? Tags { get; set; }
[MaxLength(8)] public List<string>? Categories { get; set; }
[MaxLength(32)] public List<string>? Attachments { get; set; }
public Dictionary<string, object>? Meta { get; set; }
public Instant? PublishedAt { get; set; }
public Guid? RepliedPostId { get; set; }
public Guid? ForwardedPostId { get; set; }
public Guid? RealmId { get; set; }
public Guid? PollId { get; set; }
public Guid? FundId { get; set; }
public string? ThumbnailId { get; set; }
}
[HttpPost]
[AskPermission("posts.create")]
public async Task<ActionResult<SnPost>> CreatePost(
[FromBody] PostRequest request,
[FromQuery(Name = "pub")] string? pubName
)
{
request.Content = TextSanitizer.Sanitize(request.Content);
if (string.IsNullOrWhiteSpace(request.Content) && request.Attachments is { Count: 0 })
return BadRequest("Content is required.");
if (HttpContext.Items["CurrentUser"] is not Account currentUser)
return Unauthorized();
if (!string.IsNullOrWhiteSpace(request.ThumbnailId) && request.Type != PostType.Article)
return BadRequest("Thumbnail only supported in article.");
if (!string.IsNullOrWhiteSpace(request.ThumbnailId) &&
!(request.Attachments?.Contains(request.ThumbnailId) ?? false))
return BadRequest("Thumbnail must be presented in attachment list.");
var accountId = Guid.Parse(currentUser.Id);
SnPublisher? publisher;
if (pubName is null)
{
// Use the first personal publisher
publisher = await db.Publishers.FirstOrDefaultAsync(e =>
e.AccountId == accountId && e.Type == Shared.Models.PublisherType.Individual
);
}
else
{
publisher = await pub.GetPublisherByName(pubName);
if (publisher is null)
return BadRequest("Publisher was not found.");
if (!await pub.IsMemberWithRole(publisher.Id, accountId, PublisherMemberRole.Editor))
return StatusCode(403, "You need at least be an editor to post as this publisher.");
}
if (publisher is null)
return BadRequest("Publisher was not found.");
var post = new SnPost
{
Title = request.Title,
Description = request.Description,
Slug = request.Slug,
Content = request.Content,
Visibility = request.Visibility ?? Shared.Models.PostVisibility.Public,
PublishedAt = request.PublishedAt,
Type = request.Type ?? Shared.Models.PostType.Moment,
Meta = request.Meta,
EmbedView = request.EmbedView,
Publisher = publisher,
};
if (request.RepliedPostId is not null)
{
var repliedPost = await db
.Posts.Where(p => p.Id == request.RepliedPostId.Value)
.Include(p => p.Publisher)
.FirstOrDefaultAsync();
if (repliedPost is null)
return BadRequest("Post replying to was not found.");
post.RepliedPost = repliedPost;
post.RepliedPostId = repliedPost.Id;
}
if (request.ForwardedPostId is not null)
{
var forwardedPost = await db
.Posts.Where(p => p.Id == request.ForwardedPostId.Value)
.Include(p => p.Publisher)
.FirstOrDefaultAsync();
if (forwardedPost is null)
return BadRequest("Forwarded post was not found.");
post.ForwardedPost = forwardedPost;
post.ForwardedPostId = forwardedPost.Id;
}
if (request.RealmId is not null)
{
var realm = await rs.GetRealm(request.RealmId.Value.ToString());
if (
!await rs.IsMemberWithRole(
realm.Id,
accountId,
new List<int> { RealmMemberRole.Normal }
)
)
return StatusCode(403, "You are not a member of this realm.");
post.RealmId = realm.Id;
}
if (request.PollId.HasValue)
{
try
{
var pollEmbed = await polls.MakePollEmbed(request.PollId.Value);
post.Meta ??= new Dictionary<string, object>();
if (
!post.Meta.TryGetValue("embeds", out var existingEmbeds)
|| existingEmbeds is not List<EmbeddableBase>
)
post.Meta["embeds"] = new List<Dictionary<string, object>>();
var embeds = (List<Dictionary<string, object>>)post.Meta["embeds"];
embeds.Add(EmbeddableBase.ToDictionary(pollEmbed));
post.Meta["embeds"] = embeds;
}
catch (Exception ex)
{
return BadRequest(ex.Message);
}
}
if (request.FundId.HasValue)
{
try
{
var fundResponse = await payments.GetWalletFundAsync(new GetWalletFundRequest
{
FundId = request.FundId.Value.ToString()
});
// Check if the fund was created by the current user
if (fundResponse.CreatorAccountId != currentUser.Id)
return BadRequest("You can only share funds that you created.");
var fundEmbed = new FundEmbed { Id = request.FundId.Value };
post.Meta ??= new Dictionary<string, object>();
if (
!post.Meta.TryGetValue("embeds", out var existingEmbeds)
|| existingEmbeds is not List<EmbeddableBase>
)
post.Meta["embeds"] = new List<Dictionary<string, object>>();
var embeds = (List<Dictionary<string, object>>)post.Meta["embeds"];
embeds.Add(EmbeddableBase.ToDictionary(fundEmbed));
post.Meta["embeds"] = embeds;
}
catch (RpcException ex) when (ex.StatusCode == Grpc.Core.StatusCode.NotFound)
{
return BadRequest("The specified fund does not exist.");
}
catch (RpcException ex) when (ex.StatusCode == Grpc.Core.StatusCode.InvalidArgument)
{
return BadRequest("Invalid fund ID.");
}
}
if (request.ThumbnailId is not null)
{
post.Meta ??= new Dictionary<string, object>();
post.Meta["thumbnail"] = request.ThumbnailId;
}
try
{
post = await ps.PostAsync(
post,
attachments: request.Attachments,
tags: request.Tags,
categories: request.Categories
);
}
catch (InvalidOperationException err)
{
return BadRequest(err.Message);
}
_ = als.CreateActionLogAsync(
new CreateActionLogRequest
{
Action = ActionLogType.PostCreate,
Meta =
{
{
"post_id",
Google.Protobuf.WellKnownTypes.Value.ForString(post.Id.ToString())
},
},
AccountId = currentUser.Id,
UserAgent = Request.Headers.UserAgent,
IpAddress = Request.HttpContext.Connection.RemoteIpAddress?.ToString(),
}
);
post.Publisher = publisher;
return post;
}
public class PostReactionRequest
{
[MaxLength(256)] public string Symbol { get; set; } = null!;
public Shared.Models.PostReactionAttitude Attitude { get; set; }
}
public static readonly List<string> ReactionsAllowedDefault =
[
"thumb_up",
"thumb_down",
"just_okay",
"cry",
"confuse",
"clap",
"laugh",
"angry",
"party",
"pray",
"heart",
];
[HttpPost("{id:guid}/reactions")]
[Authorize]
[AskPermission("posts.react")]
public async Task<ActionResult<SnPostReaction>> ReactPost(
Guid id,
[FromBody] PostReactionRequest request
)
{
if (HttpContext.Items["CurrentUser"] is not Account currentUser)
return Unauthorized();
var friendsResponse = await accounts.ListFriendsAsync(
new ListRelationshipSimpleRequest { AccountId = currentUser.Id.ToString() }
);
var userFriends = friendsResponse.AccountsId.Select(Guid.Parse).ToList();
var userPublishers = await pub.GetUserPublishers(Guid.Parse(currentUser.Id));
if (!ReactionsAllowedDefault.Contains(request.Symbol))
if (currentUser.PerkSubscription is null)
return BadRequest("You need subscription to send custom reactions");
var post = await db
.Posts.Where(e => e.Id == id)
.Include(e => e.Publisher)
.FilterWithVisibility(currentUser, userFriends, userPublishers)
.FirstOrDefaultAsync();
if (post is null)
return NotFound();
var accountId = Guid.Parse(currentUser.Id);
var isSelfReact =
post.Publisher.AccountId is not null && post.Publisher.AccountId == accountId;
var isExistingReaction = await db.PostReactions.AnyAsync(r =>
r.PostId == post.Id && r.Symbol == request.Symbol && r.AccountId == accountId
);
var reaction = new SnPostReaction
{
Symbol = request.Symbol,
Attitude = request.Attitude,
PostId = post.Id,
AccountId = accountId,
};
var isRemoving = await ps.ModifyPostVotes(
post,
reaction,
currentUser,
isExistingReaction,
isSelfReact
);
if (isRemoving)
return NoContent();
_ = als.CreateActionLogAsync(
new CreateActionLogRequest
{
Action = ActionLogType.PostReact,
Meta =
{
{
"post_id",
Google.Protobuf.WellKnownTypes.Value.ForString(post.Id.ToString())
},
{ "reaction", Google.Protobuf.WellKnownTypes.Value.ForString(request.Symbol) },
},
AccountId = currentUser.Id.ToString(),
UserAgent = Request.Headers.UserAgent,
IpAddress = Request.HttpContext.Connection.RemoteIpAddress?.ToString(),
}
);
return Ok(reaction);
}
public class PostAwardRequest
{
public decimal Amount { get; set; }
public Shared.Models.PostReactionAttitude Attitude { get; set; }
[MaxLength(4096)] public string? Message { get; set; }
}
[HttpGet("{id:guid}/awards")]
public async Task<ActionResult<SnPostAward>> GetPostAwards(
Guid id,
[FromQuery] int offset = 0,
[FromQuery] int take = 20
)
{
var queryable = db.PostAwards.Where(a => a.PostId == id).AsQueryable();
var totalCount = await queryable.CountAsync();
Response.Headers.Append("X-Total", totalCount.ToString());
var awards = await queryable.Take(take).Skip(offset).ToListAsync();
return Ok(awards);
}
public class PostAwardResponse
{
public Guid OrderId { get; set; }
}
[HttpPost("{id:guid}/awards")]
[Authorize]
public async Task<ActionResult<PostAwardResponse>> AwardPost(
Guid id,
[FromBody] PostAwardRequest request
)
{
if (HttpContext.Items["CurrentUser"] is not Account currentUser)
return Unauthorized();
if (request.Attitude == Shared.Models.PostReactionAttitude.Neutral)
return BadRequest("You cannot create a neutral post award");
var friendsResponse = await accounts.ListFriendsAsync(
new ListRelationshipSimpleRequest { AccountId = currentUser.Id.ToString() }
);
var userFriends = friendsResponse.AccountsId.Select(Guid.Parse).ToList();
var userPublishers = await pub.GetUserPublishers(Guid.Parse(currentUser.Id));
var post = await db
.Posts.Where(e => e.Id == id)
.Include(e => e.Publisher)
.FilterWithVisibility(currentUser, userFriends, userPublishers)
.FirstOrDefaultAsync();
if (post is null)
return NotFound();
var accountId = Guid.Parse(currentUser.Id);
var orderRemark = string.IsNullOrWhiteSpace(post.Title)
? "from @" + post.Publisher.Name
: post.Title;
var order = await payments.CreateOrderAsync(
new CreateOrderRequest
{
ProductIdentifier = "posts.award",
Currency = "points", // NSP - Source Points
Remarks = $"Award post {orderRemark}",
Amount = request.Amount.ToString(CultureInfo.InvariantCulture),
Meta = GrpcTypeHelper.ConvertObjectToByteString(
new Dictionary<string, object?>
{
["account_id"] = accountId,
["post_id"] = post.Id,
["amount"] = request.Amount.ToString(CultureInfo.InvariantCulture),
["message"] = request.Message,
["attitude"] = request.Attitude,
}
),
}
);
return Ok(new PostAwardResponse() { OrderId = Guid.Parse(order.Id) });
}
public class PostPinRequest
{
[Required] public Shared.Models.PostPinMode Mode { get; set; }
}
[HttpPost("{id:guid}/pin")]
[Authorize]
public async Task<ActionResult<SnPost>> PinPost(Guid id, [FromBody] PostPinRequest request)
{
if (HttpContext.Items["CurrentUser"] is not Account currentUser)
return Unauthorized();
var post = await db
.Posts.Where(e => e.Id == id)
.Include(e => e.Publisher)
.Include(e => e.RepliedPost)
.FirstOrDefaultAsync();
if (post is null)
return NotFound();
var accountId = Guid.Parse(currentUser.Id);
if (!await pub.IsMemberWithRole(post.PublisherId, accountId, PublisherMemberRole.Editor))
return StatusCode(403, "You are not an editor of this publisher");
if (request.Mode == Shared.Models.PostPinMode.RealmPage && post.RealmId != null)
{
if (
!await rs.IsMemberWithRole(
post.RealmId.Value,
accountId,
new List<int> { RealmMemberRole.Moderator }
)
)
return StatusCode(403, "You are not a moderator of this realm");
}
try
{
await ps.PinPostAsync(post, currentUser, request.Mode);
}
catch (InvalidOperationException err)
{
return BadRequest(err.Message);
}
_ = als.CreateActionLogAsync(
new CreateActionLogRequest
{
Action = ActionLogType.PostPin,
Meta =
{
{
"post_id",
Google.Protobuf.WellKnownTypes.Value.ForString(post.Id.ToString())
},
{
"mode",
Google.Protobuf.WellKnownTypes.Value.ForString(request.Mode.ToString())
},
},
AccountId = currentUser.Id.ToString(),
UserAgent = Request.Headers.UserAgent,
IpAddress = Request.HttpContext.Connection.RemoteIpAddress?.ToString(),
}
);
return Ok(post);
}
[HttpDelete("{id:guid}/pin")]
[Authorize]
public async Task<ActionResult<SnPost>> UnpinPost(Guid id)
{
if (HttpContext.Items["CurrentUser"] is not Account currentUser)
return Unauthorized();
var post = await db
.Posts.Where(e => e.Id == id)
.Include(e => e.Publisher)
.Include(e => e.RepliedPost)
.FirstOrDefaultAsync();
if (post is null)
return NotFound();
var accountId = Guid.Parse(currentUser.Id);
if (!await pub.IsMemberWithRole(post.PublisherId, accountId, PublisherMemberRole.Editor))
return StatusCode(403, "You are not an editor of this publisher");
if (post is { PinMode: Shared.Models.PostPinMode.RealmPage, RealmId: not null })
{
if (
!await rs.IsMemberWithRole(
post.RealmId.Value,
accountId,
new List<int> { RealmMemberRole.Moderator }
)
)
return StatusCode(403, "You are not a moderator of this realm");
}
try
{
await ps.UnpinPostAsync(post, currentUser);
}
catch (InvalidOperationException err)
{
return BadRequest(err.Message);
}
_ = als.CreateActionLogAsync(
new CreateActionLogRequest
{
Action = ActionLogType.PostUnpin,
Meta =
{
{
"post_id",
Google.Protobuf.WellKnownTypes.Value.ForString(post.Id.ToString())
},
},
AccountId = currentUser.Id.ToString(),
UserAgent = Request.Headers.UserAgent,
IpAddress = Request.HttpContext.Connection.RemoteIpAddress?.ToString(),
}
);
return Ok(post);
}
[HttpPatch("{id:guid}")]
public async Task<ActionResult<SnPost>> UpdatePost(
Guid id,
[FromBody] PostRequest request,
[FromQuery(Name = "pub")] string? pubName
)
{
request.Content = TextSanitizer.Sanitize(request.Content);
if (string.IsNullOrWhiteSpace(request.Content) && request.Attachments is { Count: 0 })
return BadRequest("Content is required.");
if (HttpContext.Items["CurrentUser"] is not Account currentUser)
return Unauthorized();
if (!string.IsNullOrWhiteSpace(request.ThumbnailId) && request.Type != PostType.Article)
return BadRequest("Thumbnail only supported in article.");
if (!string.IsNullOrWhiteSpace(request.ThumbnailId) &&
!(request.Attachments?.Contains(request.ThumbnailId) ?? false))
return BadRequest("Thumbnail must be presented in attachment list.");
var post = await db
.Posts.Where(e => e.Id == id)
.Include(e => e.Publisher)
.Include(e => e.Categories)
.Include(e => e.Tags)
.Include(e => e.FeaturedRecords)
.FirstOrDefaultAsync();
if (post is null)
return NotFound();
var accountId = Guid.Parse(currentUser.Id);
if (!await pub.IsMemberWithRole(post.Publisher.Id, accountId, PublisherMemberRole.Editor))
return StatusCode(403, "You need at least be an editor to edit this publisher's post.");
if (pubName is not null)
{
var publisher = await pub.GetPublisherByName(pubName);
if (publisher is null)
return NotFound();
if (!await pub.IsMemberWithRole(publisher.Id, accountId, PublisherMemberRole.Editor))
return StatusCode(
403,
"You need at least be an editor to transfer this post to this publisher."
);
post.PublisherId = publisher.Id;
post.Publisher = publisher;
}
if (request.Title is not null)
post.Title = request.Title;
if (request.Description is not null)
post.Description = request.Description;
if (request.Slug is not null)
post.Slug = request.Slug;
if (request.Content is not null)
post.Content = request.Content;
if (request.Visibility is not null)
post.Visibility = request.Visibility.Value;
if (request.Type is not null)
post.Type = request.Type.Value;
if (request.Meta is not null)
post.Meta = request.Meta;
// The same, this field can be null, so update it anyway.
post.EmbedView = request.EmbedView;
// All the fields are updated when the request contains the specific fields
// But the Poll can be null, so it will be updated whatever it included in requests or not
if (request.PollId.HasValue)
{
try
{
var pollEmbed = await polls.MakePollEmbed(request.PollId.Value);
post.Meta ??= new Dictionary<string, object>();
if (
!post.Meta.TryGetValue("embeds", out var existingEmbeds)
|| existingEmbeds is not List<EmbeddableBase>
)
post.Meta["embeds"] = new List<Dictionary<string, object>>();
var embeds = (List<Dictionary<string, object>>)post.Meta["embeds"];
// Remove all old poll embeds
embeds.RemoveAll(e =>
e.TryGetValue("type", out var type) && type.ToString() == "poll"
);
embeds.Add(EmbeddableBase.ToDictionary(pollEmbed));
post.Meta["embeds"] = embeds;
}
catch (Exception ex)
{
return BadRequest(ex.Message);
}
}
else
{
post.Meta ??= new Dictionary<string, object>();
if (
!post.Meta.TryGetValue("embeds", out var existingEmbeds)
|| existingEmbeds is not List<EmbeddableBase>
)
post.Meta["embeds"] = new List<Dictionary<string, object>>();
var embeds = (List<Dictionary<string, object>>)post.Meta["embeds"];
// Remove all old poll embeds
embeds.RemoveAll(e => e.TryGetValue("type", out var type) && type.ToString() == "poll");
}
// Handle fund embeds
if (request.FundId.HasValue)
{
try
{
var fundResponse = await payments.GetWalletFundAsync(new GetWalletFundRequest
{
FundId = request.FundId.Value.ToString()
});
// Check if the fund was created by the current user
if (fundResponse.CreatorAccountId != currentUser.Id)
return BadRequest("You can only share funds that you created.");
var fundEmbed = new FundEmbed { Id = request.FundId.Value };
post.Meta ??= new Dictionary<string, object>();
if (
!post.Meta.TryGetValue("embeds", out var existingEmbeds)
|| existingEmbeds is not List<EmbeddableBase>
)
post.Meta["embeds"] = new List<Dictionary<string, object>>();
var embeds = (List<Dictionary<string, object>>)post.Meta["embeds"];
// Remove all old fund embeds
embeds.RemoveAll(e =>
e.TryGetValue("type", out var type) && type.ToString() == "fund"
);
embeds.Add(EmbeddableBase.ToDictionary(fundEmbed));
post.Meta["embeds"] = embeds;
}
catch (RpcException ex) when (ex.StatusCode == Grpc.Core.StatusCode.NotFound)
{
return BadRequest("The specified fund does not exist.");
}
catch (RpcException ex) when (ex.StatusCode == Grpc.Core.StatusCode.InvalidArgument)
{
return BadRequest("Invalid fund ID.");
}
}
else
{
post.Meta ??= new Dictionary<string, object>();
if (
!post.Meta.TryGetValue("embeds", out var existingEmbeds)
|| existingEmbeds is not List<EmbeddableBase>
)
post.Meta["embeds"] = new List<Dictionary<string, object>>();
var embeds = (List<Dictionary<string, object>>)post.Meta["embeds"];
// Remove all old fund embeds
embeds.RemoveAll(e => e.TryGetValue("type", out var type) && type.ToString() == "fund");
}
if (request.ThumbnailId is not null)
{
post.Meta ??= new Dictionary<string, object>();
post.Meta["thumbnail"] = request.ThumbnailId;
}
else
{
post.Meta ??= new Dictionary<string, object>();
post.Meta.Remove("thumbnail");
}
// The realm is the same as well as the poll
if (request.RealmId is not null)
{
var realm = await rs.GetRealm(request.RealmId.Value.ToString());
if (
!await rs.IsMemberWithRole(
realm.Id,
accountId,
new List<int> { RealmMemberRole.Normal }
)
)
return StatusCode(403, "You are not a member of this realm.");
post.RealmId = realm.Id;
}
else
{
post.RealmId = null;
}
try
{
post = await ps.UpdatePostAsync(
post,
attachments: request.Attachments,
tags: request.Tags,
categories: request.Categories,
publishedAt: request.PublishedAt
);
}
catch (InvalidOperationException err)
{
return BadRequest(err.Message);
}
_ = als.CreateActionLogAsync(
new CreateActionLogRequest
{
Action = ActionLogType.PostUpdate,
Meta =
{
{
"post_id",
Google.Protobuf.WellKnownTypes.Value.ForString(post.Id.ToString())
},
},
AccountId = currentUser.Id.ToString(),
UserAgent = Request.Headers.UserAgent,
IpAddress = Request.HttpContext.Connection.RemoteIpAddress?.ToString(),
}
);
return Ok(post);
}
[HttpDelete("{id:guid}")]
public async Task<ActionResult<SnPost>> DeletePost(Guid id)
{
if (HttpContext.Items["CurrentUser"] is not Account currentUser)
return Unauthorized();
var post = await db
.Posts.Where(e => e.Id == id)
.Include(e => e.Publisher)
.FirstOrDefaultAsync();
if (post is null)
return NotFound();
if (
!await pub.IsMemberWithRole(
post.Publisher.Id,
Guid.Parse(currentUser.Id),
PublisherMemberRole.Editor
)
)
return StatusCode(
403,
"You need at least be an editor to delete the publisher's post."
);
await ps.DeletePostAsync(post);
_ = als.CreateActionLogAsync(
new CreateActionLogRequest
{
Action = ActionLogType.PostDelete,
Meta =
{
{
"post_id",
Google.Protobuf.WellKnownTypes.Value.ForString(post.Id.ToString())
},
},
AccountId = currentUser.Id.ToString(),
UserAgent = Request.Headers.UserAgent,
IpAddress = Request.HttpContext.Connection.RemoteIpAddress?.ToString(),
}
);
return NoContent();
}
}