Files
ai-showcase-platform/components/like-button.tsx

132 lines
3.4 KiB
TypeScript

"use client"
import type React from "react"
import { useState, useEffect } from "react"
import { ThumbsUp } from "lucide-react"
import { Button } from "@/components/ui/button"
import { useAuth } from "@/contexts/auth-context"
import { useToast } from "@/hooks/use-toast"
import { cn } from "@/lib/utils"
interface LikeButtonProps {
appId: string
size?: "sm" | "default" | "lg"
className?: string
showCount?: boolean
likeCount?: number
userLiked?: boolean
}
export function LikeButton({ appId, size = "default", className, showCount = true, likeCount: propLikeCount, userLiked: propUserLiked }: LikeButtonProps) {
const { user, toggleLike, getAppLikes, isLiked } = useAuth()
const { toast } = useToast()
const [isLoading, setIsLoading] = useState(false)
const [localLikeCount, setLocalLikeCount] = useState(propLikeCount || 0)
const [localUserLiked, setLocalUserLiked] = useState(propUserLiked || false)
const likeCount = localLikeCount
const hasLiked = user ? isLiked(appId) : localUserLiked
// 載入用戶的按讚狀態
useEffect(() => {
if (user) {
const liked = isLiked(appId)
setLocalUserLiked(liked)
}
}, [user, appId, isLiked])
// 同步外部 props 變化
useEffect(() => {
if (propLikeCount !== undefined) {
setLocalLikeCount(propLikeCount)
}
}, [propLikeCount])
useEffect(() => {
if (propUserLiked !== undefined) {
setLocalUserLiked(propUserLiked)
}
}, [propUserLiked])
const handleLike = async (e: React.MouseEvent) => {
e.stopPropagation()
if (!user) {
toast({
title: "請先登入",
description: "您需要登入才能為應用按讚",
variant: "destructive",
})
return
}
setIsLoading(true)
try {
const newLikedState = await toggleLike(appId)
// 更新本地狀態(基於 API 返回的結果)
setLocalUserLiked(newLikedState)
if (newLikedState) {
// 剛剛按讚了
setLocalLikeCount(prev => prev + 1)
toast({
title: "按讚成功!",
description: "感謝您的支持",
})
} else {
// 剛剛取消按讚了
setLocalLikeCount(prev => Math.max(prev - 1, 0))
toast({
title: "取消按讚",
description: "已取消對該應用的按讚",
})
}
} catch (error) {
console.error("按讚操作失敗:", error)
toast({
title: "操作失敗",
description: "請稍後再試",
variant: "destructive",
})
} finally {
setIsLoading(false)
}
}
const sizeClasses = {
sm: "h-6 px-2 text-xs gap-1",
default: "h-8 px-3 text-sm gap-1.5",
lg: "h-10 px-4 text-base gap-2",
}
const iconSizes = {
sm: "w-3 h-3",
default: "w-4 h-4",
lg: "w-5 h-5",
}
return (
<Button
variant="ghost"
size="sm"
onClick={handleLike}
disabled={isLoading}
className={cn(
sizeClasses[size],
"flex items-center",
hasLiked
? "text-blue-600 bg-blue-50 border-blue-200 hover:text-blue-700 hover:bg-blue-100"
: "text-gray-500 hover:text-blue-600 hover:bg-blue-50",
"transition-all duration-200",
className,
)}
>
<ThumbsUp className={cn(iconSizes[size], hasLiked ? "fill-current" : "")} />
{showCount && <span>{likeCount}</span>}
</Button>
)
}