291 lines
9.1 KiB
Go
291 lines
9.1 KiB
Go
package utils
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import (
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"encoding/json"
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"fmt"
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"github.com/kataras/iris/v12/context"
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"io"
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"math"
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"pet-house.com/business/models"
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"time"
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)
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func CtxBodyJSONParse(ctx *context.Context) any {
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body, _ := io.ReadAll(ctx.Request().Body)
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var _i interface{}
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_ = json.Unmarshal(body, _i)
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return _i
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}
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type TimeObject struct {
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Time string `json:"time"`
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Y bool `json:"y"`
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}
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func GetStrDays(day int, minute int, reserveMap map[string]models.ReserveTimeFilter, orderTimeMap map[string]string, carNum int, orderNumMap map[string]int, carServiceNum int, times []string, orderTimeCount map[string]int, projectionTime map[string]int) map[string][]TimeObject {
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// 获取当前时间
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currentTime := time.Now()
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// 计算半小时后的时间
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halfHourLater := currentTime.Add(time.Duration(minute) * time.Minute)
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// 计算下一个整点时间
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nextHour := time.Date(
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halfHourLater.Year(),
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halfHourLater.Month(),
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halfHourLater.Day(),
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halfHourLater.Hour(), // 下一个整点小时
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0, // 下一个整点分钟数为0
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0, // 下一个整点秒数为0
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0, // 下一个整点纳秒数为0
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time.Local, // 下一个整点时区
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)
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// 工作时间范围
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workStart := 9
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workEnd := 22
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var dayHoursMap = make(map[string][]TimeObject)
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var serviceDaysMap = make(map[string]string)
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// 循环生成每半个小时的整点时间列表，直到一周后
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oneWeekLater := currentTime.Add(time.Duration(day) * 24 * time.Hour)
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oneWeekLater = time.Date(oneWeekLater.Year(), oneWeekLater.Month(), oneWeekLater.Day(), 23, 0, 0, 0, oneWeekLater.Location())
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for _, dayTime := range times {
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serviceDaysMap[dayTime] = dayTime
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}
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for nextHour.Before(oneWeekLater) {
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key := nextHour.Format("2006-01-02")
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key1 := nextHour.Format("2006-01-02 15:04")
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if nextHour.Hour() < workStart || nextHour.Hour() > workEnd {
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nextHour = nextHour.Add(time.Duration(minute) * time.Minute)
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continue
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}
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if _, ok := serviceDaysMap[key1]; len(serviceDaysMap) > 0 && !ok {
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//不存在服务配置中返回false
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dayHoursMap[key] = append(dayHoursMap[key], TimeObject{
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Time: nextHour.Format("15:04"),
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Y: false,
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})
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nextHour = nextHour.Add(time.Duration(minute) * time.Minute)
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continue
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}
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//且不存在过滤时间中
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_, existsDay := reserveMap[nextHour.Format("2006-01-02")]
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_, existsHour := reserveMap[nextHour.Format("15")]
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_, existOrderTime := orderTimeMap[nextHour.Format("2006-01-02 15:04")]
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orderNum, existOrderNum := orderNumMap[nextHour.Format("2006-01-02 15:04")]
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if (!existsDay && !existsHour) && !existOrderTime {
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if _, ok := dayHoursMap[key]; ok {
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dayHoursMap[key] = append(dayHoursMap[key], TimeObject{
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Time: nextHour.Format("15:04"),
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Y: true,
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})
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} else {
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dayHoursMap[key] = []TimeObject{{
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Time: nextHour.Format("15:04"),
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Y: true,
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}}
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}
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} else {
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key := nextHour.Format("2006-01-02")
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key1 := nextHour.Format("2006-01-02 15:04")
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//当前订单数小于车辆数 可接单 时间范围可能会超出到11点
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if existOrderNum && orderNum < carNum*carServiceNum {
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if _, ok := dayHoursMap[key]; ok {
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dayHoursMap[key] = append(dayHoursMap[key], TimeObject{
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Time: nextHour.Format("15:04"),
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Y: true,
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})
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} else {
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dayHoursMap[key] = []TimeObject{{
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Time: nextHour.Format("15:04"),
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Y: true,
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}}
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}
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} else if nextHour.Hour() >= workStart && nextHour.Hour() < workEnd {
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//查看当前时间对应的订单数量
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orderCount := orderTimeCount[key1]
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time := projectionTime[key1]
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//预约时间对应的订单数<车辆数量 当前时间可以预约 且是1笔订单
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if orderCount < carNum*carServiceNum && time > 60 {
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dayHoursMap[key] = append(dayHoursMap[key], TimeObject{
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Time: nextHour.Format("15:04"),
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Y: true,
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})
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} else {
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if _, ok := dayHoursMap[key]; ok {
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dayHoursMap[key] = append(dayHoursMap[key], TimeObject{
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Time: nextHour.Format("15:04"),
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Y: false,
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})
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} else {
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dayHoursMap[key] = []TimeObject{{
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Time: nextHour.Format("15:04"),
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Y: false,
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}}
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}
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}
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}
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}
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nextHour = nextHour.Add(time.Duration(minute) * time.Minute) // 下一个整点半时间
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}
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return dayHoursMap
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}
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func RoundToOneDecimalPlace(value float64) float64 {
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return math.Round(value*10) / 10
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}
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func generateTimeSlots(startTime time.Time, maxDays int) []string {
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var timeSlots []string
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// 生成当前时间起未来 maxDays 天，9点到22点每小时整点的时间段
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for d := 0; d < maxDays; d++ {
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// 计算当前天的9点到22点时间段
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day := startTime.Add(time.Duration(d) * 24 * time.Hour) // 当前日期
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for h := 10; h <= 19; h++ {
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timeSlots = append(timeSlots, fmt.Sprintf("%04d-%02d-%02d %02d:00:00", day.Year(), day.Month(), day.Day(), h))
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}
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}
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return timeSlots
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}
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type OrderServiceTimeResponse struct {
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Times map[string][]TimeObject `json:"times"`
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}
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type OrderTemp struct {
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OrderId string
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Uid int64
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ServiceTime string // 格式: "2025-02-11 09:00"
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ProjectionServiceTime int64 // 服务时长，单位：分钟
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}
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func ProcessOrders(orders []OrderTemp, maxCars int, maxDays int) OrderServiceTimeResponse {
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// 存储每个时间段的车辆占用情况
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response := OrderServiceTimeResponse{
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Times: make(map[string][]TimeObject),
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}
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// 用来记录每个用户的占用时间
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userOccupiedTime := make(map[int64]map[string]bool)
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// 遍历每个订单
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for _, order := range orders {
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startTime, err := time.Parse("2006-01-02 15:04", order.ServiceTime)
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if err != nil {
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fmt.Println("Error parsing time:", err)
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continue
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}
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// 计算每个时间段的结束时间
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endTime := startTime.Add(time.Duration(order.ProjectionServiceTime) * time.Minute)
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// 记录用户的占用时间
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if userOccupiedTime[order.Uid] == nil {
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userOccupiedTime[order.Uid] = make(map[string]bool)
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}
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// 处理服务时间占用
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for t := startTime; t.Before(endTime); t = t.Add(time.Hour) {
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// 格式化每个小时的整点
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timeSlot := fmt.Sprintf("%04d-%02d-%02d %02d:00:00", t.Year(), t.Month(), t.Day(), t.Hour())
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// 用户在该时间段占用时间，标记为已占用
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userOccupiedTime[order.Uid][timeSlot] = true
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}
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}
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// 计算时间段的范围，生成当前时间到未来 maxDays 天内的每小时时间段
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startTime := time.Now()
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allTimeSlots := generateTimeSlots(startTime, maxDays)
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// 填充每个时间段的占用情况
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for _, slot := range allTimeSlots {
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isOccupied := false
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// 格式化时间为 "HH:MM"
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timeOnly := slot[11:16]
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// 计算该时间段的总占用情况
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occupiedCars := 0
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for _, userTimes := range userOccupiedTime {
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if userTimes[slot] {
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occupiedCars++
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}
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}
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// 如果当前时间段的车占用数大于或等于最大车数，则标记为占用
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if occupiedCars >= maxCars {
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isOccupied = true
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}
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// 提取日期作为 key
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date := slot[:10]
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// 根据占用情况设置 Y 的值，true 表示可预约，false 表示不可预约
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response.Times[date] = append(response.Times[date], TimeObject{
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Time: timeOnly,
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Y: !isOccupied, // true 是可预约，false 是不可预约
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})
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}
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return response
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}
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func CheckAvailability(orders []OrderTemp, maxCars int, checkTime string, durationMinutes int) bool {
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// 解析传入的时间字符串
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startTime, err := time.Parse("2006-01-02 15:04", checkTime)
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if err != nil {
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fmt.Println("Error parsing check time:", err)
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return true // 出现解析错误时直接返回不可预约
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}
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// 计算结束时间
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endTime := startTime.Add(time.Duration(durationMinutes) * time.Minute)
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// 用来记录每个用户的占用时间
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userOccupiedTime := make(map[int64]map[string]bool)
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// 遍历每个订单
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for _, order := range orders {
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orderStartTime, err := time.Parse("2006-01-02 15:04", order.ServiceTime)
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if err != nil {
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fmt.Println("Error parsing order time:", err)
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continue
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}
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// 计算每个订单的结束时间
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orderEndTime := orderStartTime.Add(time.Duration(order.ProjectionServiceTime) * time.Minute)
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// 记录用户的占用时间
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if userOccupiedTime[order.Uid] == nil {
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userOccupiedTime[order.Uid] = make(map[string]bool)
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}
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// 处理服务时间占用
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for t := orderStartTime; t.Before(orderEndTime); t = t.Add(time.Hour) {
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// 格式化每个小时的整点
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timeSlot := fmt.Sprintf("%04d-%02d-%02d %02d:00:00", t.Year(), t.Month(), t.Day(), t.Hour())
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// 用户在该时间段占用时间，标记为已占用
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userOccupiedTime[order.Uid][timeSlot] = true
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}
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}
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// 检查指定时间段是否有足够的空闲时间
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for t := startTime; t.Before(endTime); t = t.Add(time.Hour) {
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timeSlot := fmt.Sprintf("%04d-%02d-%02d %02d:00:00", t.Year(), t.Month(), t.Day(), t.Hour())
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// 计算该时间段的总占用情况
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occupiedCars := 0
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for _, userTimes := range userOccupiedTime {
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if userTimes[timeSlot] {
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occupiedCars++
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}
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}
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// 如果当前时间段的车占用数大于或等于最大车数，则表示不可预约
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if occupiedCars >= maxCars {
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return true // 如果不可预约，返回true
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}
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}
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// 如果没有占用冲突，则可以预约
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return false // 如果可以预约，返回false
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}
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