// <auto-generated />
using System;
using IM_API.Models;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Metadata;
using Microsoft.EntityFrameworkCore.Migrations;
using Microsoft.EntityFrameworkCore.Storage.ValueConversion;

#nullable disable

namespace IM_API.Migrations
{
    [DbContext(typeof(ImContext))]
    [Migration("20260207121713_update-datetimeToDateTimeOffset")]
    partial class updatedatetimeToDateTimeOffset
    {
        /// <inheritdoc />
        protected override void BuildTargetModel(ModelBuilder modelBuilder)
        {
#pragma warning disable 612, 618
            modelBuilder
                .UseCollation("latin1_swedish_ci")
                .HasAnnotation("ProductVersion", "8.0.21")
                .HasAnnotation("Relational:MaxIdentifierLength", 64);

            MySqlModelBuilderExtensions.HasCharSet(modelBuilder, "latin1");
            MySqlModelBuilderExtensions.AutoIncrementColumns(modelBuilder);

            modelBuilder.Entity("IM_API.Models.Admin", b =>
                {
                    b.Property<int>("Id")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("int(11)")
                        .HasColumnName("ID");

                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));

                    b.Property<DateTimeOffset>("Created")
                        .HasColumnType("datetime")
                        .HasComment("创建时间	");

                    b.Property<string>("Password")
                        .IsRequired()
                        .HasMaxLength(50)
                        .HasColumnType("varchar(50)")
                        .HasComment("密码");

                    b.Property<int>("RoleId")
                        .HasColumnType("int(11)")
                        .HasComment("角色");

                    b.Property<sbyte>("State")
                        .HasColumnType("tinyint(4)")
                        .HasComment("状态（0:正常，2：封禁）	");

                    b.Property<DateTimeOffset>("Updated")
                        .HasColumnType("datetime")
                        .HasComment("更新时间	");

                    b.Property<string>("Username")
                        .IsRequired()
                        .HasMaxLength(50)
                        .HasColumnType("varchar(50)")
                        .HasComment("用户名");

                    b.HasKey("Id")
                        .HasName("PRIMARY");

                    b.HasIndex(new[] { "RoleId" }, "RoleId");

                    b.ToTable("admins", (string)null);

                    MySqlEntityTypeBuilderExtensions.HasCharSet(b, "utf8mb4");
                    MySqlEntityTypeBuilderExtensions.UseCollation(b, "utf8mb4_general_ci");
                });

            modelBuilder.Entity("IM_API.Models.Conversation", b =>
                {
                    b.Property<int>("Id")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("int(11)")
                        .HasColumnName("ID");

                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));

                    b.Property<int>("ChatType")
                        .HasColumnType("int(11)");

                    b.Property<string>("LastMessage")
                        .IsRequired()
                        .HasMaxLength(255)
                        .HasColumnType("varchar(255)")
                        .HasComment("最后一条最新消息");

                    b.Property<DateTimeOffset>("LastMessageTime")
                        .HasColumnType("datetime")
                        .HasComment("最后一条消息发送时间");

                    b.Property<int?>("LastReadSequenceId")
                        .HasColumnType("int(11)")
                        .HasColumnName("lastReadMessageId")
                        .HasComment("最后一条未读消息ID	");

                    b.Property<int?>("MessageId")
                        .HasColumnType("int(11)");

                    b.Property<string>("StreamKey")
                        .IsRequired()
                        .HasMaxLength(255)
                        .HasColumnType("varchar(255)")
                        .HasComment("消息推送唯一标识符");

                    b.Property<int>("TargetId")
                        .HasColumnType("int(11)")
                        .HasComment("对方ID（群聊为群聊ID，单聊为单聊ID）	");

                    b.Property<int>("UnreadCount")
                        .HasColumnType("int(11)")
                        .HasComment("未读消息数	");

                    b.Property<int>("UserId")
                        .HasColumnType("int(11)")
                        .HasComment("用户");

                    b.HasKey("Id")
                        .HasName("PRIMARY");

                    b.HasIndex("MessageId");

                    b.HasIndex(new[] { "LastReadSequenceId" }, "LastReadSequenceId");

                    b.HasIndex(new[] { "UserId" }, "Userid");

                    b.ToTable("conversations", (string)null);

                    MySqlEntityTypeBuilderExtensions.HasCharSet(b, "utf8mb4");
                    MySqlEntityTypeBuilderExtensions.UseCollation(b, "utf8mb4_general_ci");
                });

            modelBuilder.Entity("IM_API.Models.Device", b =>
                {
                    b.Property<int>("Id")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("int(11)")
                        .HasColumnName("ID");

                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));

                    b.Property<sbyte>("Dtype")
                        .HasColumnType("tinyint(4)")
                        .HasColumnName("DType")
                        .HasComment("设备类型（\r\n0:Android,1:Ios,2:PC,3：Pad,4:未知）");

                    b.Property<DateTimeOffset>("LastLogin")
                        .HasColumnType("datetime")
                        .HasComment("最后一次登录	");

                    b.Property<int>("UserId")
                        .HasColumnType("int(11)")
                        .HasComment("设备所属用户	");

                    b.HasKey("Id")
                        .HasName("PRIMARY");

                    b.HasIndex(new[] { "UserId" }, "Userid")
                        .HasDatabaseName("Userid1");

                    b.ToTable("devices", (string)null);

                    MySqlEntityTypeBuilderExtensions.HasCharSet(b, "utf8mb4");
                    MySqlEntityTypeBuilderExtensions.UseCollation(b, "utf8mb4_general_ci");
                });

            modelBuilder.Entity("IM_API.Models.File", b =>
                {
                    b.Property<int>("Id")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("int(11)")
                        .HasColumnName("ID");

                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));

                    b.Property<DateTimeOffset>("Created")
                        .HasColumnType("datetime")
                        .HasComment("创建时间	");

                    b.Property<string>("FileType")
                        .IsRequired()
                        .HasMaxLength(10)
                        .HasColumnType("varchar(10)")
                        .HasComment("文件类型	");

                    b.Property<int>("MessageId")
                        .HasColumnType("int(11)")
                        .HasComment("关联消息ID	");

                    b.Property<string>("Name")
                        .IsRequired()
                        .HasMaxLength(50)
                        .HasColumnType("varchar(50)")
                        .HasComment("文件名	");

                    b.Property<int>("Size")
                        .HasColumnType("int(11)")
                        .HasComment("文件大小（单位：KB）	");

                    b.Property<string>("Url")
                        .IsRequired()
                        .HasMaxLength(100)
                        .HasColumnType("varchar(100)")
                        .HasColumnName("URL")
                        .HasComment("文件储存URL	");

                    b.HasKey("Id")
                        .HasName("PRIMARY");

                    b.HasIndex(new[] { "MessageId" }, "Messageld");

                    b.ToTable("files", (string)null);

                    MySqlEntityTypeBuilderExtensions.HasCharSet(b, "utf8mb4");
                    MySqlEntityTypeBuilderExtensions.UseCollation(b, "utf8mb4_general_ci");
                });

            modelBuilder.Entity("IM_API.Models.Friend", b =>
                {
                    b.Property<int>("Id")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("int(11)")
                        .HasColumnName("ID");

                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));

                    b.Property<string>("Avatar")
                        .HasMaxLength(255)
                        .HasColumnType("varchar(255)")
                        .HasComment("好友头像");

                    b.Property<DateTimeOffset>("Created")
                        .HasColumnType("datetime")
                        .HasComment("好友关系创建时间");

                    b.Property<int>("FriendId")
                        .HasColumnType("int(11)")
                        .HasComment("用户2ID");

                    b.Property<string>("RemarkName")
                        .IsRequired()
                        .HasMaxLength(20)
                        .HasColumnType("varchar(20)")
                        .HasComment("好友备注名");

                    b.Property<sbyte>("Status")
                        .HasColumnType("tinyint(4)")
                        .HasComment("当前好友关系状态\r\n（0：待通过,1：已添加,2：已拒绝,3：已拉黑）");

                    b.Property<int>("UserId")
                        .HasColumnType("int(11)")
                        .HasComment("用户ID");

                    b.HasKey("Id")
                        .HasName("PRIMARY");

                    b.HasIndex(new[] { "Id" }, "ID");

                    b.HasIndex(new[] { "UserId", "FriendId" }, "Userld");

                    b.HasIndex(new[] { "FriendId" }, "用户2id");

                    b.ToTable("friends", (string)null);

                    MySqlEntityTypeBuilderExtensions.HasCharSet(b, "utf8mb4");
                    MySqlEntityTypeBuilderExtensions.UseCollation(b, "utf8mb4_general_ci");
                });

            modelBuilder.Entity("IM_API.Models.FriendRequest", b =>
                {
                    b.Property<int>("Id")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("int(11)")
                        .HasColumnName("ID");

                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));

                    b.Property<DateTimeOffset>("Created")
                        .HasColumnType("datetime")
                        .HasComment("申请时间	");

                    b.Property<string>("Description")
                        .HasColumnType("text")
                        .HasComment("申请附言	");

                    b.Property<string>("RemarkName")
                        .IsRequired()
                        .HasMaxLength(20)
                        .HasColumnType("varchar(20)")
                        .HasComment("备注");

                    b.Property<int>("RequestUser")
                        .HasColumnType("int(11)")
                        .HasComment("申请人	");

                    b.Property<int>("ResponseUser")
                        .HasColumnType("int(11)")
                        .HasComment("被申请人	");

                    b.Property<sbyte>("State")
                        .HasColumnType("tinyint(4)")
                        .HasComment("申请状态（0：待通过,1:拒绝,2:同意,3：拉黑）	");

                    b.HasKey("Id")
                        .HasName("PRIMARY");

                    b.HasIndex(new[] { "RequestUser" }, "RequestUser");

                    b.HasIndex(new[] { "ResponseUser" }, "ResponseUser");

                    b.ToTable("friend_request", (string)null);

                    MySqlEntityTypeBuilderExtensions.HasCharSet(b, "utf8mb4");
                    MySqlEntityTypeBuilderExtensions.UseCollation(b, "utf8mb4_general_ci");
                });

            modelBuilder.Entity("IM_API.Models.Group", b =>
                {
                    b.Property<int>("Id")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("int(11)")
                        .HasColumnName("ID");

                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));

                    b.Property<sbyte>("AllMembersBanned")
                        .HasColumnType("tinyint(4)")
                        .HasComment("全员禁言（0允许发言，2全员禁言）");

                    b.Property<string>("Announcement")
                        .HasColumnType("text")
                        .HasComment("群公告");

                    b.Property<sbyte>("Auhority")
                        .HasColumnType("tinyint(4)")
                        .HasComment("群权限\r\n（0：需管理员同意,1：任意人可加群,2：不允许任何人加入）");

                    b.Property<string>("Avatar")
                        .IsRequired()
                        .HasMaxLength(255)
                        .HasColumnType("varchar(255)")
                        .HasComment("群头像");

                    b.Property<DateTimeOffset>("Created")
                        .HasColumnType("datetime")
                        .HasComment("群聊创建时间");

                    b.Property<int>("GroupMaster")
                        .HasColumnType("int(11)")
                        .HasComment("群主");

                    b.Property<string>("Name")
                        .IsRequired()
                        .HasMaxLength(20)
                        .HasColumnType("varchar(20)")
                        .HasComment("群聊名称");

                    b.Property<sbyte>("Status")
                        .HasColumnType("tinyint(4)")
                        .HasComment("群聊状态\r\n(1：正常,2：封禁)");

                    b.HasKey("Id")
                        .HasName("PRIMARY");

                    b.HasIndex(new[] { "GroupMaster" }, "GroupMaster");

                    b.HasIndex(new[] { "Id" }, "ID")
                        .HasDatabaseName("ID1");

                    b.ToTable("groups", (string)null);

                    MySqlEntityTypeBuilderExtensions.HasCharSet(b, "utf8mb4");
                    MySqlEntityTypeBuilderExtensions.UseCollation(b, "utf8mb4_general_ci");
                });

            modelBuilder.Entity("IM_API.Models.GroupInvite", b =>
                {
                    b.Property<int>("Id")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("int(11)")
                        .HasColumnName("ID");

                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));

                    b.Property<DateTimeOffset?>("Created")
                        .HasColumnType("datetime")
                        .HasComment("创建时间");

                    b.Property<int>("GroupId")
                        .HasColumnType("int(11)")
                        .HasComment("群聊编号");

                    b.Property<int?>("InviteUser")
                        .HasColumnType("int(11)")
                        .HasComment("邀请用户");

                    b.Property<int?>("InvitedUser")
                        .HasColumnType("int(11)")
                        .HasComment("被邀请用户");

                    b.Property<sbyte?>("State")
                        .HasColumnType("tinyint(4)")
                        .HasComment("当前状态(0:待被邀请人同意\r\n1:被邀请人已同意)");

                    b.HasKey("Id")
                        .HasName("PRIMARY");

                    b.HasIndex(new[] { "GroupId" }, "GroupId");

                    b.HasIndex(new[] { "InviteUser" }, "InviteUser");

                    b.HasIndex(new[] { "InvitedUser" }, "InvitedUser");

                    b.ToTable("group_invite", (string)null);

                    MySqlEntityTypeBuilderExtensions.HasCharSet(b, "utf8mb4");
                    MySqlEntityTypeBuilderExtensions.UseCollation(b, "utf8mb4_general_ci");
                });

            modelBuilder.Entity("IM_API.Models.GroupMember", b =>
                {
                    b.Property<int>("Id")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("int(11)")
                        .HasColumnName("ID");

                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));

                    b.Property<DateTimeOffset>("Created")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("datetime")
                        .HasDefaultValueSql("'1970-01-01 00:00:00'")
                        .HasComment("加入群聊时间");

                    b.Property<int>("GroupId")
                        .HasColumnType("int(11)")
                        .HasComment("群聊编号");

                    b.Property<sbyte>("Role")
                        .HasColumnType("tinyint(4)")
                        .HasComment("成员角色（0:普通成员,1:管理员,2:群主）");

                    b.Property<int>("UserId")
                        .HasColumnType("int(11)")
                        .HasComment("用户编号");

                    b.HasKey("Id")
                        .HasName("PRIMARY");

                    b.HasIndex(new[] { "GroupId" }, "Groupld");

                    b.HasIndex(new[] { "Id" }, "ID")
                        .HasDatabaseName("ID2");

                    b.HasIndex(new[] { "UserId" }, "Userld")
                        .HasDatabaseName("Userld1");

                    b.ToTable("group_member", (string)null);

                    MySqlEntityTypeBuilderExtensions.HasCharSet(b, "utf8mb4");
                    MySqlEntityTypeBuilderExtensions.UseCollation(b, "utf8mb4_general_ci");
                });

            modelBuilder.Entity("IM_API.Models.GroupRequest", b =>
                {
                    b.Property<int>("Id")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("int(11)")
                        .HasColumnName("ID");

                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));

                    b.Property<DateTimeOffset>("Created")
                        .HasColumnType("datetime")
                        .HasComment("创建时间");

                    b.Property<string>("Description")
                        .IsRequired()
                        .HasColumnType("text")
                        .HasComment("入群附言");

                    b.Property<int>("GroupId")
                        .HasColumnType("int(11)")
                        .HasComment("群聊编号\r\n");

                    b.Property<sbyte>("State")
                        .HasColumnType("tinyint(4)")
                        .HasComment("申请状态（0:待管理员同意,1:已拒绝,2：已同意）");

                    b.Property<int>("UserId")
                        .HasColumnType("int(11)")
                        .HasComment("申请人	");

                    b.HasKey("Id")
                        .HasName("PRIMARY");

                    b.HasIndex(new[] { "GroupId" }, "GroupId")
                        .HasDatabaseName("GroupId1");

                    b.ToTable("group_request", (string)null);

                    MySqlEntityTypeBuilderExtensions.HasCharSet(b, "utf8mb4");
                    MySqlEntityTypeBuilderExtensions.UseCollation(b, "utf8mb4_general_ci");
                });

            modelBuilder.Entity("IM_API.Models.LoginLog", b =>
                {
                    b.Property<int>("Id")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("int(11)")
                        .HasColumnName("ID");

                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));

                    b.Property<sbyte>("Dtype")
                        .HasColumnType("tinyint(4)")
                        .HasColumnName("DType")
                        .HasComment("设备类型（通Devices/DType）	");

                    b.Property<DateTimeOffset>("Logined")
                        .HasColumnType("datetime")
                        .HasComment("登录时间	");

                    b.Property<sbyte>("State")
                        .HasColumnType("tinyint(4)")
                        .HasComment("登录状态(0:登陆成功,1:未验证,2:已被拒绝)	");

                    b.Property<int>("UserId")
                        .HasColumnType("int(11)")
                        .HasComment("登录用户	");

                    b.HasKey("Id")
                        .HasName("PRIMARY");

                    b.HasIndex(new[] { "UserId" }, "Userld")
                        .HasDatabaseName("Userld2");

                    b.ToTable("login_log", (string)null);

                    MySqlEntityTypeBuilderExtensions.HasCharSet(b, "utf8mb4");
                    MySqlEntityTypeBuilderExtensions.UseCollation(b, "utf8mb4_general_ci");
                });

            modelBuilder.Entity("IM_API.Models.Message", b =>
                {
                    b.Property<int>("Id")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("int(11)")
                        .HasColumnName("ID");

                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));

                    b.Property<sbyte>("ChatType")
                        .HasColumnType("tinyint(4)")
                        .HasComment("聊天类型\r\n（0：私聊,1：群聊）");

                    b.Property<Guid>("ClientMsgId")
                        .HasColumnType("char(36)");

                    b.Property<string>("Content")
                        .IsRequired()
                        .HasColumnType("text")
                        .HasComment("消息内容	");

                    b.Property<DateTimeOffset>("Created")
                        .HasColumnType("datetime")
                        .HasComment("发送时间	");

                    b.Property<sbyte>("MsgType")
                        .HasColumnType("tinyint(4)")
                        .HasComment("消息类型\r\n(0:文本,1：图片,2：语音,3：视频,4：文件，5：语音聊天,6：视频聊天)");

                    b.Property<int>("Recipient")
                        .HasColumnType("int(11)")
                        .HasComment("接收者（私聊为用户ID，群聊为群聊ID）	");

                    b.Property<int>("Sender")
                        .HasColumnType("int(11)")
                        .HasComment("发送者	");

                    b.Property<long>("SequenceId")
                        .HasColumnType("bigint");

                    b.Property<sbyte>("State")
                        .HasColumnType("tinyint(4)")
                        .HasComment("消息状态(0:已发送,1:已撤回)	");

                    b.Property<string>("StreamKey")
                        .IsRequired()
                        .HasMaxLength(255)
                        .HasColumnType("varchar(255)")
                        .HasComment("消息推送唯一标识符");

                    b.HasKey("Id")
                        .HasName("PRIMARY");

                    b.HasIndex("SequenceId", "StreamKey")
                        .IsUnique();

                    b.HasIndex(new[] { "Sender" }, "Sender");

                    b.ToTable("messages", (string)null);

                    MySqlEntityTypeBuilderExtensions.HasCharSet(b, "utf8mb4");
                    MySqlEntityTypeBuilderExtensions.UseCollation(b, "utf8mb4_general_ci");
                });

            modelBuilder.Entity("IM_API.Models.Notification", b =>
                {
                    b.Property<int>("Id")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("int(11)")
                        .HasColumnName("ID");

                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));

                    b.Property<string>("Content")
                        .IsRequired()
                        .HasColumnType("text")
                        .HasComment("通知内容");

                    b.Property<DateTimeOffset>("Created")
                        .HasColumnType("datetime")
                        .HasComment("创建时间");

                    b.Property<sbyte>("Ntype")
                        .HasColumnType("tinyint(4)")
                        .HasColumnName("NType")
                        .HasComment("通知类型(0：文本)");

                    b.Property<string>("Title")
                        .IsRequired()
                        .HasMaxLength(40)
                        .HasColumnType("varchar(40)")
                        .HasComment("通知标题");

                    b.Property<int>("UserId")
                        .HasColumnType("int(11)")
                        .HasComment("接收人（为空为全体通知）");

                    b.HasKey("Id")
                        .HasName("PRIMARY");

                    b.HasIndex(new[] { "UserId" }, "Userld")
                        .HasDatabaseName("Userld3");

                    b.ToTable("notifications", (string)null);

                    MySqlEntityTypeBuilderExtensions.HasCharSet(b, "utf8mb4");
                    MySqlEntityTypeBuilderExtensions.UseCollation(b, "utf8mb4_general_ci");
                });

            modelBuilder.Entity("IM_API.Models.Permission", b =>
                {
                    b.Property<int>("Id")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("int(11)")
                        .HasColumnName("ID");

                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));

                    b.Property<int>("Code")
                        .HasColumnType("int(11)")
                        .HasComment("权限编码	");

                    b.Property<DateTimeOffset>("Created")
                        .HasColumnType("datetime")
                        .HasComment("创建时间	");

                    b.Property<string>("Name")
                        .IsRequired()
                        .HasMaxLength(50)
                        .HasColumnType("varchar(50)")
                        .HasComment("权限名称	");

                    b.Property<int>("Ptype")
                        .HasColumnType("int(11)")
                        .HasColumnName("PType")
                        .HasComment("权限类型(0:增,1:删,2:改,3:查)	");

                    b.HasKey("Id")
                        .HasName("PRIMARY");

                    b.ToTable("permissions", (string)null);

                    MySqlEntityTypeBuilderExtensions.HasCharSet(b, "utf8mb4");
                    MySqlEntityTypeBuilderExtensions.UseCollation(b, "utf8mb4_general_ci");
                });

            modelBuilder.Entity("IM_API.Models.Permissionarole", b =>
                {
                    b.Property<int>("Id")
                        .HasColumnType("int(11)")
                        .HasColumnName("ID");

                    b.Property<int>("PermissionId")
                        .HasColumnType("int(11)")
                        .HasComment("权限	");

                    b.Property<int>("RoleId")
                        .HasColumnType("int(11)")
                        .HasComment("角色	");

                    b.HasKey("Id")
                        .HasName("PRIMARY");

                    b.HasIndex(new[] { "PermissionId" }, "Permissionld");

                    b.HasIndex(new[] { "RoleId" }, "Roleld");

                    b.ToTable("permissionarole", (string)null);

                    MySqlEntityTypeBuilderExtensions.HasCharSet(b, "utf8mb4");
                    MySqlEntityTypeBuilderExtensions.UseCollation(b, "utf8mb4_general_ci");
                });

            modelBuilder.Entity("IM_API.Models.Role", b =>
                {
                    b.Property<int>("Id")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("int(11)")
                        .HasColumnName("ID");

                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));

                    b.Property<DateTimeOffset>("Created")
                        .HasColumnType("datetime")
                        .HasComment("创建时间	");

                    b.Property<string>("Description")
                        .IsRequired()
                        .HasColumnType("text")
                        .HasComment("角色描述	");

                    b.Property<string>("Name")
                        .IsRequired()
                        .HasMaxLength(20)
                        .HasColumnType("varchar(20)")
                        .HasComment("角色名称	");

                    b.HasKey("Id")
                        .HasName("PRIMARY");

                    b.ToTable("roles", (string)null);

                    MySqlEntityTypeBuilderExtensions.HasCharSet(b, "utf8mb4");
                    MySqlEntityTypeBuilderExtensions.UseCollation(b, "utf8mb4_general_ci");
                });

            modelBuilder.Entity("IM_API.Models.User", b =>
                {
                    b.Property<int>("Id")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("int(11)")
                        .HasColumnName("ID");

                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));

                    b.Property<string>("Avatar")
                        .HasMaxLength(255)
                        .HasColumnType("varchar(255)")
                        .HasComment("用户头像链接");

                    b.Property<DateTimeOffset>("Created")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("datetime")
                        .HasDefaultValueSql("'1970-01-01 00:00:00'")
                        .HasComment("创建时间");

                    b.Property<sbyte>("IsDeleted")
                        .HasColumnType("tinyint(4)")
                        .HasComment("软删除标识\r\n0：账号正常\r\n1：账号已删除");

                    b.Property<string>("NickName")
                        .HasMaxLength(50)
                        .HasColumnType("varchar(50)")
                        .HasComment("用户昵称");

                    b.Property<sbyte>("OnlineStatus")
                        .HasColumnType("tinyint(4)")
                        .HasComment("用户在线状态\r\n0（默认）：不在线\r\n1：在线");

                    b.Property<string>("Password")
                        .IsRequired()
                        .HasMaxLength(50)
                        .HasColumnType("varchar(50)")
                        .HasComment("密码");

                    b.Property<sbyte>("Status")
                        .ValueGeneratedOnAdd()
                        .HasColumnType("tinyint(4)")
                        .HasDefaultValueSql("'1'")
                        .HasComment("账户状态\r\n(0：未激活,1：正常,2：封禁)");

                    b.Property<DateTimeOffset?>("Updated")
                        .HasColumnType("datetime")
                        .HasComment("修改时间");

                    b.Property<string>("Username")
                        .IsRequired()
                        .HasMaxLength(50)
                        .HasColumnType("varchar(50)")
                        .HasComment("唯一用户名");

                    b.HasKey("Id")
                        .HasName("PRIMARY");

                    b.HasIndex(new[] { "Id" }, "ID")
                        .HasDatabaseName("ID3");

                    b.HasIndex(new[] { "Username" }, "Username")
                        .IsUnique();

                    b.ToTable("users", (string)null);

                    MySqlEntityTypeBuilderExtensions.HasCharSet(b, "utf8mb4");
                    MySqlEntityTypeBuilderExtensions.UseCollation(b, "utf8mb4_general_ci");
                });

            modelBuilder.Entity("IM_API.Models.Admin", b =>
                {
                    b.HasOne("IM_API.Models.Role", "Role")
                        .WithMany("Admins")
                        .HasForeignKey("RoleId")
                        .IsRequired()
                        .HasConstraintName("admins_ibfk_1");

                    b.Navigation("Role");
                });

            modelBuilder.Entity("IM_API.Models.Conversation", b =>
                {
                    b.HasOne("IM_API.Models.Message", null)
                        .WithMany("Conversations")
                        .HasForeignKey("MessageId");

                    b.HasOne("IM_API.Models.User", "User")
                        .WithMany("Conversations")
                        .HasForeignKey("UserId")
                        .IsRequired()
                        .HasConstraintName("conversations_ibfk_1");

                    b.Navigation("User");
                });

            modelBuilder.Entity("IM_API.Models.Device", b =>
                {
                    b.HasOne("IM_API.Models.User", "User")
                        .WithMany("Devices")
                        .HasForeignKey("UserId")
                        .IsRequired()
                        .HasConstraintName("devices_ibfk_1");

                    b.Navigation("User");
                });

            modelBuilder.Entity("IM_API.Models.File", b =>
                {
                    b.HasOne("IM_API.Models.Message", "Message")
                        .WithMany("Files")
                        .HasForeignKey("MessageId")
                        .IsRequired()
                        .HasConstraintName("files_ibfk_1");

                    b.Navigation("Message");
                });

            modelBuilder.Entity("IM_API.Models.Friend", b =>
                {
                    b.HasOne("IM_API.Models.User", "FriendNavigation")
                        .WithMany("FriendFriendNavigations")
                        .HasForeignKey("FriendId")
                        .IsRequired()
                        .HasConstraintName("用户2id");

                    b.HasOne("IM_API.Models.User", "User")
                        .WithMany("FriendUsers")
                        .HasForeignKey("UserId")
                        .IsRequired()
                        .HasConstraintName("用户id");

                    b.Navigation("FriendNavigation");

                    b.Navigation("User");
                });

            modelBuilder.Entity("IM_API.Models.FriendRequest", b =>
                {
                    b.HasOne("IM_API.Models.User", "RequestUserNavigation")
                        .WithMany("FriendRequestRequestUserNavigations")
                        .HasForeignKey("RequestUser")
                        .IsRequired()
                        .HasConstraintName("friend_request_ibfk_1");

                    b.HasOne("IM_API.Models.User", "ResponseUserNavigation")
                        .WithMany("FriendRequestResponseUserNavigations")
                        .HasForeignKey("ResponseUser")
                        .IsRequired()
                        .HasConstraintName("friend_request_ibfk_2");

                    b.Navigation("RequestUserNavigation");

                    b.Navigation("ResponseUserNavigation");
                });

            modelBuilder.Entity("IM_API.Models.Group", b =>
                {
                    b.HasOne("IM_API.Models.User", "GroupMasterNavigation")
                        .WithMany("Groups")
                        .HasForeignKey("GroupMaster")
                        .IsRequired()
                        .HasConstraintName("groups_ibfk_1");

                    b.Navigation("GroupMasterNavigation");
                });

            modelBuilder.Entity("IM_API.Models.GroupInvite", b =>
                {
                    b.HasOne("IM_API.Models.Group", "Group")
                        .WithMany("GroupInvites")
                        .HasForeignKey("GroupId")
                        .IsRequired()
                        .HasConstraintName("group_invite_ibfk_2");

                    b.HasOne("IM_API.Models.User", "InviteUserNavigation")
                        .WithMany("GroupInviteInviteUserNavigations")
                        .HasForeignKey("InviteUser")
                        .HasConstraintName("group_invite_ibfk_1");

                    b.HasOne("IM_API.Models.User", "InvitedUserNavigation")
                        .WithMany("GroupInviteInvitedUserNavigations")
                        .HasForeignKey("InvitedUser")
                        .HasConstraintName("group_invite_ibfk_3");

                    b.Navigation("Group");

                    b.Navigation("InviteUserNavigation");

                    b.Navigation("InvitedUserNavigation");
                });

            modelBuilder.Entity("IM_API.Models.GroupMember", b =>
                {
                    b.HasOne("IM_API.Models.Group", "Group")
                        .WithMany("GroupMembers")
                        .HasForeignKey("GroupId")
                        .IsRequired()
                        .HasConstraintName("group_member_ibfk_2");

                    b.HasOne("IM_API.Models.User", "User")
                        .WithMany("GroupMembers")
                        .HasForeignKey("UserId")
                        .IsRequired()
                        .HasConstraintName("group_member_ibfk_1");

                    b.Navigation("Group");

                    b.Navigation("User");
                });

            modelBuilder.Entity("IM_API.Models.GroupRequest", b =>
                {
                    b.HasOne("IM_API.Models.Group", "Group")
                        .WithMany("GroupRequests")
                        .HasForeignKey("GroupId")
                        .IsRequired()
                        .HasConstraintName("group_request_ibfk_1");

                    b.HasOne("IM_API.Models.User", "GroupNavigation")
                        .WithMany("GroupRequests")
                        .HasForeignKey("GroupId")
                        .IsRequired()
                        .HasConstraintName("group_request_ibfk_2");

                    b.Navigation("Group");

                    b.Navigation("GroupNavigation");
                });

            modelBuilder.Entity("IM_API.Models.LoginLog", b =>
                {
                    b.HasOne("IM_API.Models.User", "User")
                        .WithMany("LoginLogs")
                        .HasForeignKey("UserId")
                        .IsRequired()
                        .HasConstraintName("login_log_ibfk_1");

                    b.Navigation("User");
                });

            modelBuilder.Entity("IM_API.Models.Message", b =>
                {
                    b.HasOne("IM_API.Models.User", "SenderNavigation")
                        .WithMany("Messages")
                        .HasForeignKey("Sender")
                        .IsRequired()
                        .HasConstraintName("messages_ibfk_1");

                    b.Navigation("SenderNavigation");
                });

            modelBuilder.Entity("IM_API.Models.Notification", b =>
                {
                    b.HasOne("IM_API.Models.User", "User")
                        .WithMany("Notifications")
                        .HasForeignKey("UserId")
                        .IsRequired()
                        .HasConstraintName("notifications_ibfk_1");

                    b.Navigation("User");
                });

            modelBuilder.Entity("IM_API.Models.Permissionarole", b =>
                {
                    b.HasOne("IM_API.Models.Permission", "Permission")
                        .WithMany("Permissionaroles")
                        .HasForeignKey("PermissionId")
                        .IsRequired()
                        .HasConstraintName("permissionarole_ibfk_2");

                    b.HasOne("IM_API.Models.Role", "Role")
                        .WithMany("Permissionaroles")
                        .HasForeignKey("RoleId")
                        .IsRequired()
                        .HasConstraintName("permissionarole_ibfk_1");

                    b.Navigation("Permission");

                    b.Navigation("Role");
                });

            modelBuilder.Entity("IM_API.Models.Group", b =>
                {
                    b.Navigation("GroupInvites");

                    b.Navigation("GroupMembers");

                    b.Navigation("GroupRequests");
                });

            modelBuilder.Entity("IM_API.Models.Message", b =>
                {
                    b.Navigation("Conversations");

                    b.Navigation("Files");
                });

            modelBuilder.Entity("IM_API.Models.Permission", b =>
                {
                    b.Navigation("Permissionaroles");
                });

            modelBuilder.Entity("IM_API.Models.Role", b =>
                {
                    b.Navigation("Admins");

                    b.Navigation("Permissionaroles");
                });

            modelBuilder.Entity("IM_API.Models.User", b =>
                {
                    b.Navigation("Conversations");

                    b.Navigation("Devices");

                    b.Navigation("FriendFriendNavigations");

                    b.Navigation("FriendRequestRequestUserNavigations");

                    b.Navigation("FriendRequestResponseUserNavigations");

                    b.Navigation("FriendUsers");

                    b.Navigation("GroupInviteInviteUserNavigations");

                    b.Navigation("GroupInviteInvitedUserNavigations");

                    b.Navigation("GroupMembers");

                    b.Navigation("GroupRequests");

                    b.Navigation("Groups");

                    b.Navigation("LoginLogs");

                    b.Navigation("Messages");

                    b.Navigation("Notifications");
                });
#pragma warning restore 612, 618
        }
    }
}