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backend/internal/model/group_member.go
lan ee78071d4d
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refactor: improve system stability, performance, and code structure
This commit introduces several architectural improvements and optimizations across the codebase:

- **Performance & Reliability**:
  - Implemented Redis pipelining in `ConversationCache.CacheMessage` to reduce network round-trips.
  - Added a circuit breaker to the JPush client to prevent cascading failures.
  - Introduced batch deletion and batch member addition capabilities in repositories.
  - Added message idempotency support using `client_msg_id` and a Redis-based cache.
  - Optimized WebSocket handling with connection limits (total and per-user) and improved error logging.

- **Code Refactoring**:
  - Refactored `Router` to use a `RouterDeps` struct, simplifying the constructor and improving maintainability.
  - Unified model ID generation logic using new `id_helper.go` (supporting UUID and Snowflake).
  - Standardized JSON serialization/deserialization in models using `json_helper.go`.
  - Refactored DTO conversion logic, specifically for `UserResponse` (using functional options) and `Report` responses.
  - Removed redundant/deprecated DTOs like `PostDetailResponse` and `TradeItemDetailResponse`.

- **Cache Improvements**:
  - Enhanced `LayeredCache` with `SetRaw` to avoid double-encoding when promoting values from Redis to local cache.
  - Added `DeleteBatch` support to the cache interface.

- **Other Changes**:
  - Cleaned up `config.go` by removing redundant default values and explicit environment variable overrides.
  - Improved WebSocket registration flow to handle connection limits gracefully.
2026-05-04 13:07:03 +08:00

38 lines
1.1 KiB
Go

package model
import (
"time"
"gorm.io/gorm"
)
// GroupMember 群成员模型
type GroupMember struct {
ID string `gorm:"primaryKey;size:20" json:"id"`
GroupID string `gorm:"not null;uniqueIndex:idx_group_user" json:"group_id"`
UserID string `gorm:"type:varchar(36);not null;uniqueIndex:idx_group_user" json:"user_id"`
Role string `gorm:"size:20;default:'member'" json:"role"` // owner, admin, member
Nickname string `gorm:"size:50" json:"nickname"` // 群内昵称
Muted bool `gorm:"default:false" json:"muted"` // 是否被禁言
JoinTime time.Time `json:"join_time"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
}
// BeforeCreate 创建前生成雪花算法ID
func (gm *GroupMember) BeforeCreate(tx *gorm.DB) error {
return SetSnowflakeStringID(&gm.ID)
}
// TableName 指定表名
func (GroupMember) TableName() string {
return "group_members"
}
// Role 常量
const (
GroupRoleOwner = "owner"
GroupRoleAdmin = "admin"
GroupRoleMember = "member"
)