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backend/internal/model/like.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

26 lines
661 B
Go

package model
import (
"time"
"gorm.io/gorm"
)
// PostLike 帖子点赞
type PostLike struct {
ID string `json:"id" gorm:"type:varchar(36);primaryKey"`
PostID string `json:"post_id" gorm:"type:varchar(36);not null;index;uniqueIndex:idx_post_like_user,priority:1"`
UserID string `json:"user_id" gorm:"type:varchar(36);not null;index;uniqueIndex:idx_post_like_user,priority:2"`
CreatedAt time.Time `json:"created_at" gorm:"autoCreateTime"`
}
// BeforeCreate 创建前生成UUID
func (pl *PostLike) BeforeCreate(tx *gorm.DB) error {
SetUUIDIfEmpty(&pl.ID)
return nil
}
func (PostLike) TableName() string {
return "post_likes"
}