fix: align backend APIs and upload flow

This commit is contained in:
2026-09-15 14:10:55 +08:00
parent 32177a7293
commit 53e6195938
149 changed files with 4791 additions and 435 deletions
@@ -11,6 +11,15 @@ namespace MessageService.Infrastructure.Configs
builder.ToTable("conversations");
builder.HasKey(x => x.Id);
builder.HasIndex(x => x.UserId);
builder.HasIndex(x => new { x.UserId, x.ChatType, x.TargetId, x.IsDeleted });
builder.Property<string>("ActiveConversationKey")
.HasMaxLength(96)
.HasComputedColumnSql(
"CASE WHEN `IsDeleted` = 0 THEN CONCAT(`UserId`, ':', `ChatType`, ':', `TargetId`) ELSE NULL END",
stored: true);
builder.HasIndex("ActiveConversationKey")
.IsUnique()
.HasDatabaseName("UX_conversations_ActiveConversationKey");
}
}
@@ -11,6 +11,7 @@ namespace MessageService.Infrastructure.Configs
builder.ToTable("messages");
builder.HasKey(x => x.Id);
builder.HasIndex(x => new { x.StreamKey, x.SequenceId });
builder.HasIndex(x => new { x.StreamKey, x.MsgType, x.State, x.SequenceId });
builder.ComplexProperty(x => x.Content, c =>
{
// 1. Fallback 是简单字符串,直接映射
@@ -0,0 +1,25 @@
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Migrations;
namespace MessageService.Infrastructure.Migrations
{
[DbContext(typeof(MessageDbContext))]
[Migration("20260909000100_ApiAlignmentFixes")]
public partial class ApiAlignmentFixes : Migration
{
protected override void Up(MigrationBuilder migrationBuilder)
{
migrationBuilder.CreateIndex(
name: "IX_conversations_UserId_ChatType_TargetId_IsDeleted",
table: "conversations",
columns: new[] { "UserId", "ChatType", "TargetId", "IsDeleted" });
}
protected override void Down(MigrationBuilder migrationBuilder)
{
migrationBuilder.DropIndex(
name: "IX_conversations_UserId_ChatType_TargetId_IsDeleted",
table: "conversations");
}
}
}
@@ -0,0 +1,81 @@
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Migrations;
namespace MessageService.Infrastructure.Migrations
{
[DbContext(typeof(MessageDbContext))]
[Migration("20260911000100_ConversationUniqueness")]
public partial class ConversationUniqueness : Migration
{
protected override void Up(MigrationBuilder migrationBuilder)
{
migrationBuilder.Sql("""
CREATE TEMPORARY TABLE `conversation_dedup` AS
SELECT
`Id`,
ROW_NUMBER() OVER (
PARTITION BY `UserId`, `ChatType`, `TargetId`
ORDER BY COALESCE(`ModificationTime`, `CreationTime`) DESC, `Id` DESC
) AS `row_num`,
MAX(`UnreadCount`) OVER (
PARTITION BY `UserId`, `ChatType`, `TargetId`
) AS `max_unread_count`,
MAX(`LastReadSequenceId`) OVER (
PARTITION BY `UserId`, `ChatType`, `TargetId`
) AS `max_last_read_sequence_id`
FROM `conversations`
WHERE `IsDeleted` = 0;
""");
migrationBuilder.Sql("""
UPDATE `conversations` AS `conversation`
INNER JOIN `conversation_dedup` AS `dedup` ON `conversation`.`Id` = `dedup`.`Id`
SET
`conversation`.`UnreadCount` = CASE
WHEN `dedup`.`row_num` = 1 THEN `dedup`.`max_unread_count`
ELSE `conversation`.`UnreadCount`
END,
`conversation`.`LastReadSequenceId` = CASE
WHEN `dedup`.`row_num` = 1 THEN `dedup`.`max_last_read_sequence_id`
ELSE `conversation`.`LastReadSequenceId`
END,
`conversation`.`IsDeleted` = CASE
WHEN `dedup`.`row_num` = 1 THEN `conversation`.`IsDeleted`
ELSE 1
END,
`conversation`.`Deletion` = CASE
WHEN `dedup`.`row_num` = 1 THEN `conversation`.`Deletion`
ELSE CURRENT_TIMESTAMP(6)
END;
""");
migrationBuilder.Sql("DROP TEMPORARY TABLE `conversation_dedup`;");
migrationBuilder.AddColumn<string>(
name: "ActiveConversationKey",
table: "conversations",
type: "varchar(96)",
maxLength: 96,
nullable: true,
computedColumnSql: "CASE WHEN `IsDeleted` = 0 THEN CONCAT(`UserId`, ':', `ChatType`, ':', `TargetId`) ELSE NULL END",
stored: true);
migrationBuilder.CreateIndex(
name: "UX_conversations_ActiveConversationKey",
table: "conversations",
column: "ActiveConversationKey",
unique: true);
}
protected override void Down(MigrationBuilder migrationBuilder)
{
migrationBuilder.DropIndex(
name: "UX_conversations_ActiveConversationKey",
table: "conversations");
migrationBuilder.DropColumn(
name: "ActiveConversationKey",
table: "conversations");
}
}
}
@@ -0,0 +1,48 @@
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Migrations;
namespace MessageService.Infrastructure.Migrations
{
[DbContext(typeof(MessageDbContext))]
[Migration("20260913000100_ConversationActivityAndMessageSearch")]
public partial class ConversationActivityAndMessageSearch : Migration
{
protected override void Up(MigrationBuilder migrationBuilder)
{
migrationBuilder.AddColumn<DateTimeOffset>(
name: "LastMessageTime",
table: "conversations",
type: "datetime(6)",
nullable: true);
migrationBuilder.Sql("""
UPDATE `conversations` AS `conversation`
SET `conversation`.`LastMessageTime` = COALESCE(
(
SELECT MAX(`message`.`CreationTime`)
FROM `messages` AS `message`
WHERE `message`.`StreamKey` = `conversation`.`StreamKey`
AND `message`.`IsDeleted` = 0
),
`conversation`.`CreationTime`
);
""");
migrationBuilder.CreateIndex(
name: "IX_messages_StreamKey_MsgType_State_SequenceId",
table: "messages",
columns: new[] { "StreamKey", "MsgType", "State", "SequenceId" });
}
protected override void Down(MigrationBuilder migrationBuilder)
{
migrationBuilder.DropIndex(
name: "IX_messages_StreamKey_MsgType_State_SequenceId",
table: "messages");
migrationBuilder.DropColumn(
name: "LastMessageTime",
table: "conversations");
}
}
}
@@ -25,6 +25,12 @@ namespace MessageService.Infrastructure.Migrations
modelBuilder.Entity("MessageService.Domain.Entities.Conversation", b =>
{
b.Property<string>("ActiveConversationKey")
.ValueGeneratedOnAddOrUpdate()
.HasMaxLength(96)
.HasColumnType("varchar(96)")
.HasComputedColumnSql("CASE WHEN `IsDeleted` = 0 THEN CONCAT(`UserId`, ':', `ChatType`, ':', `TargetId`) ELSE NULL END", true);
b.Property<Guid>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("char(36)");
@@ -45,6 +51,9 @@ namespace MessageService.Infrastructure.Migrations
.IsRequired()
.HasColumnType("longtext");
b.Property<DateTimeOffset?>("LastMessageTime")
.HasColumnType("datetime(6)");
b.Property<long?>("LastReadSequenceId")
.HasColumnType("bigint");
@@ -74,8 +83,14 @@ namespace MessageService.Infrastructure.Migrations
b.HasKey("Id");
b.HasIndex("ActiveConversationKey")
.IsUnique()
.HasDatabaseName("UX_conversations_ActiveConversationKey");
b.HasIndex("UserId");
b.HasIndex("UserId", "ChatType", "TargetId", "IsDeleted");
b.ToTable("conversations", (string)null);
});
@@ -176,6 +191,8 @@ namespace MessageService.Infrastructure.Migrations
b.HasIndex("StreamKey", "SequenceId");
b.HasIndex("StreamKey", "MsgType", "State", "SequenceId");
b.ToTable("messages", (string)null);
});
#pragma warning restore 612, 618
@@ -1,5 +1,6 @@
using MessageService.Domain.Entities;
using MessageService.Domain.IReposities;
using MessageService.Domain.Models;
using Microsoft.EntityFrameworkCore;
namespace MessageService.Infrastructure.Reposities
@@ -18,31 +19,54 @@ namespace MessageService.Infrastructure.Reposities
db.Conversations.Add(conversation);
}
public async Task<IEnumerable<string>> FindAllStreamKeyAsync(Guid userId)
public async Task<IEnumerable<string>> FindAllStreamKeyAsync(Guid userId, CancellationToken cancellationToken = default)
{
return await db.Conversations.Where(x => x.UserId == userId)
.AsNoTracking()
.Select(s => s.StreamKey)
.ToListAsync();
.ToListAsync(cancellationToken);
}
public async Task<Conversation?> FindByIdAsync(Guid id)
public async Task<Conversation?> FindByIdAsync(Guid id, CancellationToken cancellationToken = default)
{
return await db.Conversations.FirstOrDefaultAsync(x => x.Id == id);
return await db.Conversations.FirstOrDefaultAsync(x => x.Id == id, cancellationToken);
}
public async Task<IEnumerable<Conversation>> FindByStreamKeyAsync(string streamKey)
public async Task<IEnumerable<Conversation>> FindByStreamKeyAsync(string streamKey, CancellationToken cancellationToken = default)
{
return await db.Conversations.Where(x => x.StreamKey == streamKey).ToListAsync();
return await db.Conversations.Where(x => x.StreamKey == streamKey).ToListAsync(cancellationToken);
}
public async Task<IEnumerable<Conversation>> FindByTargetIdAsync(Guid targetId)
public async Task<IEnumerable<Conversation>> FindByTargetIdAsync(Guid targetId, CancellationToken cancellationToken = default)
{
return await db.Conversations.Where(x => x.TargetId == targetId).ToListAsync();
return await db.Conversations.Where(x => x.TargetId == targetId).ToListAsync(cancellationToken);
}
public async Task<IEnumerable<Conversation>> FindByUserIdAsync(Guid userId)
public async Task<IReadOnlyList<ConversationSummary>> ListByUserIdAsync(Guid userId, CancellationToken cancellationToken = default)
{
return await db.Conversations.Where(x => x.UserId == userId).ToListAsync();
return await db.Conversations
.AsNoTracking()
.Where(x => x.UserId == userId)
.OrderByDescending(x => x.LastMessageTime ?? x.CreationTime)
.Select(x => new ConversationSummary(
x.Id,
x.UserId,
x.TargetId,
x.TargetAvatar,
x.TargetName,
x.LastReadSequenceId,
x.UnreadCount,
x.ChatType,
x.LastMessage,
x.LastMessageTime ?? x.CreationTime))
.ToListAsync(cancellationToken);
}
public Task<Conversation?> FindActiveAsync(Guid userId, Guid targetId, Domain.Enums.ChatType chatType, CancellationToken cancellationToken = default)
{
return db.Conversations.FirstOrDefaultAsync(
x => x.UserId == userId && x.TargetId == targetId && x.ChatType == chatType,
cancellationToken);
}
}
}
@@ -18,38 +18,68 @@ namespace MessageService.Infrastructure.Reposities
db.Messages.Add(message);
}
public async Task<Message?> FindByIdAsync(Guid id)
public async Task<Message?> FindByIdAsync(Guid id, CancellationToken cancellationToken = default)
{
return await db.Messages.FirstOrDefaultAsync(x => x.Id == id);
return await db.Messages.FirstOrDefaultAsync(x => x.Id == id, cancellationToken);
}
public async Task<(IEnumerable<Message> messages, bool hasMore)> GetAsync(string streamKey, long? cusor, int direction, int limit)
public async Task<(IEnumerable<Message> messages, bool hasMore)> GetAsync(string streamKey, long? cusor, int direction, int limit, CancellationToken cancellationToken = default)
{
var query = db.Messages.Where(x => x.StreamKey == streamKey);
List<Message> messages = [];
List<Message> fetched;
if (direction == 0) // Before: 找比锚点小的,按倒序排
{
if (cusor.HasValue)
query = query.Where(m => m.SequenceId < cusor.Value);
var list = await query
fetched = await query
.OrderByDescending(m => m.SequenceId) // 最新消息在最前
.Take(limit + 1)
.ToListAsync();
messages = [.. list.OrderBy(s => s.SequenceId)];
.ToListAsync(cancellationToken);
}
else
{
if (cusor is null)
return (messages, false);
return (Array.Empty<Message>(), false);
messages = await query.OrderBy(o => o.SequenceId)
fetched = await query
.Where(m => m.SequenceId > cusor.Value)
.OrderBy(o => o.SequenceId)
.Take(limit + 1)
.ToListAsync();
.ToListAsync(cancellationToken);
}
return (messages, messages.Count > limit);
var hasMore = fetched.Count > limit;
var messages = fetched.Take(limit).OrderBy(s => s.SequenceId).ToList();
return (messages, hasMore);
}
public async Task<(IEnumerable<Message> messages, bool hasMore)> SearchAsync(
string streamKey,
string keyword,
long? cursor,
int limit,
CancellationToken cancellationToken = default)
{
var query = db.Messages
.AsNoTracking()
.Where(message =>
message.StreamKey == streamKey &&
message.MsgType == Domain.Enums.MessageType.Text &&
message.State == Domain.Enums.MessageState.Sent &&
message.Content.Fallback.Contains(keyword));
if (cursor.HasValue)
{
query = query.Where(message => message.SequenceId < cursor.Value);
}
var fetched = await query
.OrderByDescending(message => message.SequenceId)
.Take(limit + 1)
.ToListAsync(cancellationToken);
return (fetched.Take(limit).ToList(), fetched.Count > limit);
}
}
}