68 lines
2.1 KiB
Go
68 lines
2.1 KiB
Go
package model
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import (
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"context"
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"time"
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"spark-server/internal/module/conversation/entity"
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"spark-server/internal/pkg/errs"
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)
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// ConversationMember maps table conversation_members.
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type ConversationMember struct {
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ID int64 `gorm:"column:id;primaryKey;autoIncrement;comment:行 id，表内自增，仅内部用；业务唯一键是 (conversation_id, user_id)"`
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ConversationID int64 `gorm:"column:conversation_id;comment:会话 id"`
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UserID int64 `gorm:"column:user_id;comment:成员 user_id"`
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LastReadMsgID int64 `gorm:"column:last_read_msg_id;comment:该成员已读到的最大消息 id，未读真相；Redis 丢了可从此重建"`
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JoinedAt time.Time `gorm:"column:joined_at;comment:加入会话时间"`
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Muted int `gorm:"column:muted;comment:0=未静音 1=免打扰"`
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}
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func (ConversationMember) TableName() string { return "t_conversation_members" }
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func (r *ConversationMember) entity() *entity.Member {
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if r == nil {
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return nil
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}
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m := &entity.Member{
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ConversationID: r.ConversationID, UserID: r.UserID,
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LastReadMsgID: r.LastReadMsgID, JoinedAtMS: r.JoinedAt.UnixMilli(),
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}
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m.Muted = r.Muted != 0
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return m
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}
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func (m *Repo) ListMemberIDs(ctx context.Context, conversationID int64) ([]int64, error) {
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if conversationID <= 0 {
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return nil, errs.ErrInvalidArgument
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}
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db, err := m.session(ctx)
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if err != nil {
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return nil, err
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}
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var rows []ConversationMember
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if err := db.Where("conversation_id = ?", conversationID).Find(&rows).Error; err != nil {
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return nil, mapDBErr(err)
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}
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ids := make([]int64, 0, len(rows))
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for i := range rows {
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ids = append(ids, rows[i].UserID)
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}
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return ids, nil
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}
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func (m *Repo) GetMember(ctx context.Context, conversationID, userID int64) (*entity.Member, error) {
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if conversationID <= 0 || userID <= 0 {
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return nil, errs.ErrInvalidArgument
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}
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db, err := m.session(ctx)
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if err != nil {
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return nil, err
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}
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var row ConversationMember
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if err := db.Where("conversation_id = ? AND user_id = ?", conversationID, userID).Take(&row).Error; err != nil {
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return nil, mapDBErr(err)
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}
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return row.entity(), nil
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}
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