freefire
9bae6f2513
本次提交完成了多个核心功能迭代： 1. 新增用户每日签到系统，包含签到状态查询、连续天数统计、积分累计逻辑 2. 新增"新帖子"排序选项，替换原有的latest排序为新评论排序 3. 重构首页信息流布局，优化移动端与桌面端展示样式 4. 新增最新评论、最新注册用户模块，完善社区面板数据展示 5. 新增静态友情链接配置模块 6. 提取通用时间格式化工具函数，统一全站相对时间展示 7. 补充数据库签到模型与后端API接口，完善前后端交互链路
137 lines
3.4 KiB
Go
137 lines
3.4 KiB
Go
package service
|
||
|
||
import (
|
||
"errors"
|
||
"time"
|
||
|
||
"github.com/freefire/jiang13-bbs/model"
|
||
"gorm.io/gorm"
|
||
)
|
||
|
||
// DailyCheckinPoints 每日签到固定积分
|
||
const DailyCheckinPoints = 5
|
||
|
||
// maxStreakScan 连续天数最多向前回溯的天数
|
||
const maxStreakScan = 400
|
||
|
||
// ErrAlreadyCheckedIn 今日已签到
|
||
var ErrAlreadyCheckedIn = errors.New("今日已签到")
|
||
|
||
// CheckinStatus 签到状态（首页右栏与签到接口共用）
|
||
type CheckinStatus struct {
|
||
CheckedToday bool `json:"checked_today"`
|
||
Streak int `json:"streak"` // 连续签到天数
|
||
TotalPoints int `json:"total_points"` // 累计积分（签到所得）
|
||
TodayPoints int `json:"today_points"` // 今日签到可得积分
|
||
}
|
||
|
||
// CheckinService 每日签到
|
||
type CheckinService struct {
|
||
db *gorm.DB
|
||
}
|
||
|
||
func NewCheckinService(db *gorm.DB) *CheckinService {
|
||
return &CheckinService{db: db}
|
||
}
|
||
|
||
// localDay 取本地时区零点日期
|
||
func localDay(t time.Time) time.Time {
|
||
y, m, d := t.Date()
|
||
return time.Date(y, m, d, 0, 0, 0, 0, t.Location())
|
||
}
|
||
|
||
// streakFrom 从 anchor（含）起按日倒推连续签到天数
|
||
func streakFrom(dates map[string]bool, anchor time.Time) int {
|
||
streak := 0
|
||
for i := 0; i < maxStreakScan; i++ {
|
||
day := anchor.AddDate(0, 0, -i)
|
||
if !dates[day.Format("2006-01-02")] {
|
||
break
|
||
}
|
||
streak++
|
||
}
|
||
return streak
|
||
}
|
||
|
||
// Status 查询用户签到状态
|
||
func (s *CheckinService) Status(userID uint) (*CheckinStatus, error) {
|
||
today := localDay(time.Now())
|
||
|
||
var todayRow model.Checkin
|
||
err := s.db.Where("user_id = ? AND checkin_date::date = ?::date", userID, today).
|
||
First(&todayRow).Error
|
||
checkedToday := true
|
||
if err != nil {
|
||
if !errors.Is(err, gorm.ErrRecordNotFound) {
|
||
return nil, err
|
||
}
|
||
checkedToday = false
|
||
}
|
||
|
||
// 连续天数：今日已签从今天起算，未签从昨天起算（今日尚未签不打断连续）
|
||
anchor := today
|
||
if !checkedToday {
|
||
anchor = today.AddDate(0, 0, -1)
|
||
}
|
||
var dates []time.Time
|
||
if err := s.db.Model(&model.Checkin{}).
|
||
Where("user_id = ? AND checkin_date >= ?", userID, anchor.AddDate(0, 0, -maxStreakScan)).
|
||
Pluck("checkin_date", &dates).Error; err != nil {
|
||
return nil, err
|
||
}
|
||
dateSet := make(map[string]bool, len(dates))
|
||
for _, d := range dates {
|
||
dateSet[localDay(d).Format("2006-01-02")] = true
|
||
}
|
||
|
||
var total int64
|
||
if err := s.db.Model(&model.Checkin{}).
|
||
Where("user_id = ?", userID).
|
||
Select("COALESCE(SUM(points), 0)").Scan(&total).Error; err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
return &CheckinStatus{
|
||
CheckedToday: checkedToday,
|
||
Streak: streakFrom(dateSet, anchor),
|
||
TotalPoints: int(total),
|
||
TodayPoints: DailyCheckinPoints,
|
||
}, nil
|
||
}
|
||
|
||
// CheckIn 执行今日签到（每日一条，唯一索引兜底并发）
|
||
func (s *CheckinService) CheckIn(userID uint) (*CheckinStatus, error) {
|
||
today := localDay(time.Now())
|
||
|
||
var status *CheckinStatus
|
||
err := s.db.Transaction(func(tx *gorm.DB) error {
|
||
var count int64
|
||
if err := tx.Model(&model.Checkin{}).
|
||
Where("user_id = ? AND checkin_date::date = ?::date", userID, today).
|
||
Count(&count).Error; err != nil {
|
||
return err
|
||
}
|
||
if count > 0 {
|
||
return ErrAlreadyCheckedIn
|
||
}
|
||
row := model.Checkin{
|
||
UserID: userID,
|
||
CheckinDate: today,
|
||
Points: DailyCheckinPoints,
|
||
}
|
||
if err := tx.Create(&row).Error; err != nil {
|
||
return err
|
||
}
|
||
return nil
|
||
})
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
status, err = s.Status(userID)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return status, nil
|
||
}
|