web_huangguo_web/app/service/playletser/rank_view.go

package playletser

import (
	"fmt"
	"strconv"
	"strings"
)

func formatCollectHeat(n int64) string {
	if n <= 0 {
		return "0 收藏"
	}
	if n < 10000 {
		return fmt.Sprintf("%d 收藏", n)
	}
	v := float64(n) / 10000
	if v >= 100 {
		return fmt.Sprintf("%.0f万 收藏", v)
	}
	return fmt.Sprintf("%.1f万 收藏", v)
}

func rankPageURL(sortOrder, pageNum int) string {
	switch sortOrder {
	case rankSortNew, rankSortBinge:
	default:
		sortOrder = rankSortHot
	}
	if pageNum <= 0 {
		pageNum = 1
	}
	path := "/rank"
	if sortOrder != rankSortHot {
		path += "/" + strconv.Itoa(sortOrder)
	}
	if pageNum > 1 {
		path += "/page/" + strconv.Itoa(pageNum)
	}
	return path + "/"
}

// BuildRankTabs 排行榜 Tab。
func BuildRankTabs(q RankQuery) []FilterChipVM {
	q.Normalize()
	return []FilterChipVM{
		{Label: "热播榜", URL: rankPageURL(rankSortHot, 1), Active: q.SortOrder == rankSortHot},
		{Label: "新剧榜", URL: rankPageURL(rankSortNew, 1), Active: q.SortOrder == rankSortNew},
		{Label: "追剧榜", URL: rankPageURL(rankSortBinge, 1), Active: q.SortOrder == rankSortBinge},
	}
}

// BuildRankPagination 排行榜分页。
func BuildRankPagination(q RankQuery, totalCount int64) PaginationVM {
	q.Normalize()
	return BuildPagination(func(p int) string {
		return rankPageURL(q.SortOrder, p)
	}, q.PageNum, q.PageSize, totalCount)
}

// RankCanonicalPath 返回排行榜筛选和分页对应的唯一规范路径。
func RankCanonicalPath(q RankQuery) string {
	q.Normalize()
	return rankPageURL(q.SortOrder, q.PageNum)
}

// RankOffset 当前页起始排名偏移（0-based）。
func RankOffset(q RankQuery) int {
	q.Normalize()
	return (q.PageNum - 1) * q.PageSize
}

// ParseRankQuery 从 query 解析排行榜参数。
func ParseRankQuery(pageStr, sortStr string) RankQuery {
	q := RankQuery{PageSize: defaultRankPageSize, SortOrder: rankSortHot}
	if n, err := strconv.Atoi(strings.TrimSpace(pageStr)); err == nil {
		q.PageNum = n
	}
	if n, err := strconv.Atoi(strings.TrimSpace(sortStr)); err == nil {
		q.SortOrder = n
	}
	q.Normalize()
	return q
}

// IsRankBinge 是否追剧榜（热度展示用 countCollect）。
func IsRankBinge(sortOrder int) bool {
	return sortOrder == rankSortBinge
}