update

2026-09-03 19:45:36 +08:00
parent 6902376bc2
commit 36f3ad039f
14 changed files with 672 additions and 124 deletions
--- a/src/components/StreetSnap.astro
+++ b/src/components/StreetSnap.astro
@ -8,9 +8,11 @@ import { ssrBase } from "@/lib/api"
 interface Props {
  snap: RawStreetSnap | null
  error?: "missing" | "failed" | null
+  preview?: boolean // 后端未登录截断图片集时返回 true，详情页据此弹「登录查看全部图片」门禁
+  imageTotal?: number // 图片集真实总数（后端截断前），渲染「剩余 N 张」占位遮罩
 }

-const { snap, error = null } = Astro.props
+const { snap, error = null, preview = false, imageTotal = 0 } = Astro.props
 const { locale, t } = getI18n(Astro)

 const full = (u: string): string => {
@ -28,6 +30,15 @@ const images = (snap?.images ?? [])
  }))
  .filter((im) => im.url)

+// 未登录预览上限：详情页（图集）未登录最多展示前 PREVIEW_LIMIT 张图片；其余由登录门禁提示，
+// 已登录（客户端 loadFull 拉全量）或图片本就不超上限时全部展示。前 PREVIEW_LIMIT 张服务端已渲染（SEO/无 JS 友好）。
+const PREVIEW_LIMIT = 5
+const previewImages = images.slice(0, PREVIEW_LIMIT)
+
+// 未登录预览占位遮罩数：补足「剩余 N 张」空图，提示登录后可见，避免误以为图集只有预览上限那几张。
+// 已登录（preview=false）或图片本就不超上限时 lockedCount=0，不渲染占位。
+const lockedCount = preview ? Math.max(0, (imageTotal || 0) - previewImages.length) : 0
+
 const homeHref = href(locale, ROUTES.home)
 const archiveHref = href(locale, ROUTES.streetSnaps)

@ -42,6 +53,7 @@ const displayTitle = (snap?.title || "").replace(/\t/g, " · ")
  data-gallery-uid={snap?.id ?? ""}
  data-gallery-title={displayTitle}
  data-gallery-brand=""
+  data-preview={preview ? "true" : "false"}
  class="min-h-screen bg-white text-black font-sans selection:bg-black selection:text-white"
 >
  {
@ -55,13 +67,13 @@ const displayTitle = (snap?.title || "").replace(/\t/g, " · ")
          {displayTitle}
        </h1>

-        {images.length > 0 && (
+        {previewImages.length > 0 && (
          <section class="mt-16">
            <div
              id="snap-gallery"
              class="grid grid-cols-2 md:grid-cols-3 gap-4"
            >
-              {images.map((im, i) => (
+              {previewImages.map((im, i) => (
                <figure
                  data-image-index={i}
                  data-image-url={im.url}
@ -100,10 +112,75 @@ const displayTitle = (snap?.title || "").replace(/\t/g, " · ")
                    </figcaption>
                  )}
                </figure>
-              ))}
+              )              )}
+
+              {/* 未登录预览占位遮罩：补满「剩余 N 张」空图，提示用户登录后可见，
+                  避免误以为图集只有预览上限那几张。已登录（x-show false）自动隐藏，由 extraImages 真实图替补。 */}
+              {lockedCount > 0 &&
+                Array.from({ length: lockedCount }).map(() => (
+                  <figure
+                    x-show="!isAuthed && preview"
+                    x-cloak
+                    @click="goLogin()"
+                    class="relative bg-[#f2f2f2] cursor-pointer group overflow-hidden"
+                  >
+                    {/* 与真实图片等高的 3:4 图位：锁图标 + 提示，点击跳登录 */}
+                    <div class="w-full aspect-[3/4] flex items-center justify-center text-[#c4c4c4] group-hover:text-[#9a9a9a] transition-colors pointer-events-none">
+                      <div class="flex flex-col items-center gap-2">
+                        <svg class="w-7 h-7" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.4" stroke-linecap="round" stroke-linejoin="round">
+                          <rect x="4.5" y="10.5" width="15" height="10" rx="2" />
+                          <path d="M8 10.5V7a4 4 0 0 1 8 0v3.5" />
+                        </svg>
+                        <span class="text-[10px] font-mono uppercase tracking-[0.18em]">{t('login to view')}</span>
+                      </div>
+                    </div>
+                    {/* 与真实图 figcaption 同高的 caption 行（正常图显示 img01 等小字）：
+                        占位显示 +N photos，保证遮罩格子与真实图片格子总高一致 */}
+                    <figcaption class="text-[11px] font-mono uppercase tracking-widest text-[#cfcfcf] mt-2">+{lockedCount} {t('photos')}</figcaption>
+                  </figure>
+                ))
+              }
+
+              {/* 登录后追加的额外图片：extraImages 由客户端 loadFull() 在已登录时填充，未登录为空不渲染 */}
+              <template x-for="(im, i) in extraImages" :key="im.url">
+                <figure
+                  :data-image-index="5 + i"
+                  :data-image-url="im.url"
+                  :data-image-name="im.name"
+                  :data-fav-id="im.id"
+                  :data-fav-url="im.raw"
+                  @click="openLb(5 + i)"
+                  class="relative bg-[#f2f2f2] cursor-zoom-in group"
+                >
+                  <img
+                    :src="im.url"
+                    :alt="im.name"
+                    loading="lazy"
+                    decoding="async"
+                    class="w-full aspect-[3/4] object-cover group-hover:opacity-90 transition-opacity"
+                  />
+                  <button
+                    type="button"
+                    :data-fav-id="im.id"
+                    :data-fav-url="im.raw"
+                    @click.stop="toggleFav($el.dataset.favId, $el.dataset.favUrl)"
+                    :class="isFav($el.dataset.favId) ? 'is-fav opacity-100' : 'opacity-0 group-hover:opacity-100'"
+                    class="fav-btn absolute right-2 top-2 z-10 w-8 h-8 rounded-full border border-black/15 bg-white/80 text-[#111] flex items-center justify-center backdrop-blur-md hover:bg-black/5 hover:border-black/30 transition-all cursor-pointer"
+                    aria-label={t('save')}
+                  >
+                    <svg class="w-4 h-4" viewBox="0 0 24 24" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round">
+                      <path d="M12 21C12 21 4 14.5 4 8.8C4 6.1 6.1 4 8.7 4C10.3 4 11.5 4.8 12 6C12.5 4.8 13.7 4 15.3 4C17.9 4 20 6.1 20 8.8C20 14.5 12 21 12 21Z"/>
+                    </svg>
+                  </button>
+                  <template x-if="im.name">
+                    <figcaption class="text-[11px] font-mono uppercase tracking-widest text-[#999] mt-2" x-text="im.name"></figcaption>
+                  </template>
+                </figure>
+              </template>
            </div>
          </section>
        )}
+
      </article>
    ) : (
      <div class="flex flex-col items-center justify-center min-h-[60vh] px-5 text-center">
@ -111,6 +188,7 @@ const displayTitle = (snap?.title || "").replace(/\t/g, " · ")
          {error === "missing" ? t('No street snap ID specified') : t('Failed to load street snap. Please refresh or try later.')}
        </p>

+
        <a
          href={homeHref}
          class="text-[12px] font-mono uppercase tracking-[0.2em] border border-black px-4 py-2 hover:bg-black hover:text-white transition-colors"
@ -121,7 +199,7 @@ const displayTitle = (snap?.title || "").replace(/\t/g, " · ")
    )
  }

-  {snap && images.length > 0 && (
+  {snap && previewImages.length > 0 && (
    <div
      x-show="lbOpen"
      x-cloak
@ -162,7 +240,7 @@ const displayTitle = (snap?.title || "").replace(/\t/g, " · ")
          id="lb-thumbs"
          class="w-[76px] sm:w-[118px] flex-none overflow-y-auto overflow-x-hidden relative scroll-smooth p-[32px_8px] sm:p-[38px_18px_38px_20px] border-r border-black/10 bg-gradient-to-b from-black/5 to-transparent no-scrollbar"
        >
-          {images.map((im, i) => (
+          {previewImages.map((im, i) => (
            <button
              type="button"
              data-lb-index={i}
@ -179,6 +257,22 @@ const displayTitle = (snap?.title || "").replace(/\t/g, " · ")
              </span>
            </button>
          ))}
+
+          <template x-for="(im, i) in extraImages" :key="im.url">
+            <button
+              type="button"
+              :data-lb-index="5 + i"
+              :data-thumb-url="im.url"
+              @click="showLb(5 + i)"
+              class="lb-thumb relative block w-full aspect-[3/4] mb-2 rounded-[2px] overflow-hidden cursor-pointer transition-all duration-200 opacity-40 hover:opacity-85 bg-[#eee] bg-cover bg-center"
+              x-bind:class="lbIndex === Number($el.dataset.lbIndex)
+                ? 'opacity-100 scale-[1.03] ring-2 ring-[#111]'
+                : ''"
+              :aria-label="String(5 + i + 1)"
+            >
+              <span class="absolute left-1 top-1 z-10 font-mono text-[8px] sm:text-[9px] font-semibold tracking-widest text-white px-1 py-0.5 rounded-[3px] bg-black/55 backdrop-blur-sm" x-text="String(5 + i + 1).padStart(2, '0')"></span>
+            </button>
+          </template>
        </div>

        <button
@ -255,7 +349,7 @@ const displayTitle = (snap?.title || "").replace(/\t/g, " · ")
 </div>

 <script>
-  import { getUser } from "@/lib/api"
+  import { getUser, getStreetSnapDetailAuthed, toAbs } from "@/lib/api"
  import { isFavorited, toggleImageFavorite, checkFavorited } from "@/lib/favorites"

  document.addEventListener("alpine:init", () => {
@ -275,11 +369,22 @@ const displayTitle = (snap?.title || "").replace(/\t/g, " · ")
      galleryTitle: "",
      galleryBrand: "",

+      // 登录态快照：用响应式属性暴露给 x-show 表达式（Alpine 表达式作用域访问不到模块 import 的 getUser，
+      // 故在此用 getUser() 初始化，避免 x-show="!getUser()..." 求值报错导致遮罩卡在 x-cloak 隐藏）。
+      isAuthed: false,
+      // 未登录门禁：后端截断图片集时为 true（详情页最多看 PREVIEW_LIMIT 张）
+      preview: false,
+      // 已登录后客户端补拉的全量图片（前 PREVIEW_LIMIT 张已由 SSR 服务端渲染）
+      extraImages: [] as { id: string; url: string; raw: string; name: string }[],
+      showAll: false,
+
      init() {
        this.favType = this.$el.dataset.favType || "snap_image"
        this.galleryUid = this.$el.dataset.galleryUid || ""
        this.galleryTitle = this.$el.dataset.galleryTitle || ""
        this.galleryBrand = this.$el.dataset.galleryBrand || ""
+        this.preview = this.$el.dataset.preview === "true"
+        this.isAuthed = !!getUser()

        this.imageCount = document.querySelectorAll(
          "#snap-gallery [data-image-index]"
@ -287,6 +392,44 @@ const displayTitle = (snap?.title || "").replace(/\t/g, " · ")
        this.initThumbLazyLoading()
        this.initImageFavs()
        this.maybeLocateImageFromUrl()
+
+        // 已登录且后端未登录截断（preview）：客户端拉全量图片集并追加渲染
+        if (getUser() && this.preview) this.loadFull()
+        // 登录后（如从门禁跳登录回跳）自动补全全量
+        window.addEventListener("auth:login", () => { this.isAuthed = true; if (this.preview) this.loadFull() })
+      },
+
+      // 已登录用户：拉取完整图片集，把第 PREVIEW_LIMIT+1 张起的图片追加进 extraImages 渲染。
+      async loadFull() {
+        if (!this.preview) return
+        try {
+          const full = await getStreetSnapDetailAuthed(this.galleryUid)
+          if (!full || !Array.isArray(full.images)) return
+          const mapped = (full.images || []).slice(5).map((im: any) => ({
+            id: im.id || "",
+            url: toAbs(im.image || ""),
+            raw: im.image || "",
+            name: im.name || "",
+          }))
+          this.extraImages = mapped
+          this.showAll = true
+          await this.$nextTick()
+          this.imageCount = document.querySelectorAll(
+            "#snap-gallery [data-image-index]"
+          ).length
+          this.initImageFavs()
+          this.initThumbLazyLoading()
+          this.maybeLocateImageFromUrl()
+        } catch {
+          /* 失败维持截断态，门禁仍在 */
+        }
+      },
+
+      // 未登录门禁：跳登录并回跳本篇详情
+      goLogin() {
+        const back = window.location.pathname + window.location.search
+        const loc = window.location.pathname.startsWith("/cn") ? "cn" : "en"
+        window.location.href = `/${loc}/login?redirect=${encodeURIComponent(back)}`
      },

      // ?img=<图片uid> 深链：个人中心点单图收藏 → 打开所属图集并滚动定位到该图。