Implement compression quota refunds and admin manual subscription

frontend/src/pages/HomePage.vue

@@ -0,0 +1,422 @@
+<script setup lang="ts">
+import { computed, onMounted, reactive, ref } from 'vue'
+
+import { useAuthStore } from '@/stores/auth'
+import { compressFile, getSubscription, getUsage, sendVerification, type CompressResponse } from '@/services/api'
+import { ApiError } from '@/services/http'
+import { formatBytes } from '@/utils/format'
+
+type ItemStatus = 'idle' | 'compressing' | 'done' | 'error'
+
+interface UploadItem {
+  id: string
+  file: File
+  previewUrl: string
+  status: ItemStatus
+  result?: CompressResponse
+  error?: string
+}
+
+const auth = useAuthStore()
+
+const options = reactive({
+  compressionRate: 60,
+  maxWidth: '' as string,
+  maxHeight: '' as string,
+})
+
+const dragActive = ref(false)
+
+const items = ref<UploadItem[]>([])
+const busy = computed(() => items.value.some((x) => x.status === 'compressing'))
+
+const alert = ref<{ type: 'info' | 'success' | 'error'; message: string } | null>(null)
+const sendingVerification = ref(false)
+const quotaLoading = ref(false)
+const quotaError = ref<string | null>(null)
+const usage = ref<Awaited<ReturnType<typeof getUsage>> | null>(null)
+const subscription = ref<Awaited<ReturnType<typeof getSubscription>>['subscription'] | null>(null)
+
+const needVerifyEmail = computed(() => auth.isLoggedIn && auth.user && !auth.user.email_verified)
+
+onMounted(async () => {
+  if (!auth.token) return
+  quotaLoading.value = true
+  quotaError.value = null
+  try {
+    const [u, s] = await Promise.all([getUsage(auth.token), getSubscription(auth.token)])
+    usage.value = u
+    subscription.value = s.subscription
+  } catch (err) {
+    if (err instanceof ApiError) {
+      quotaError.value = `[${err.code}] ${err.message}`
+    } else {
+      quotaError.value = '额度加载失败'
+    }
+  } finally {
+    quotaLoading.value = false
+  }
+})
+
+function addFiles(fileList: FileList | null) {
+  if (!fileList || fileList.length === 0) return
+  alert.value = null
+
+  for (const file of Array.from(fileList)) {
+    const id = crypto.randomUUID()
+    const previewUrl = URL.createObjectURL(file)
+    items.value.push({ id, file, previewUrl, status: 'idle' })
+  }
+}
+
+function handleFileChange(event: Event) {
+  const input = event.target as HTMLInputElement
+  addFiles(input.files)
+  input.value = ''
+}
+
+function handleDrop(event: DragEvent) {
+  dragActive.value = false
+  if (busy.value) return
+  addFiles(event.dataTransfer?.files ?? null)
+}
+
+function removeItem(id: string) {
+  const idx = items.value.findIndex((x) => x.id === id)
+  if (idx === -1) return
+  const item = items.value[idx]
+  if (!item) return
+  URL.revokeObjectURL(item.previewUrl)
+  items.value.splice(idx, 1)
+}
+
+function clearAll() {
+  for (const item of items.value) URL.revokeObjectURL(item.previewUrl)
+  items.value = []
+  alert.value = null
+}
+
+function toInt(v: string): number | undefined {
+  const n = Number(v)
+  if (!Number.isFinite(n) || n <= 0) return undefined
+  return Math.floor(n)
+}
+
+async function runOne(item: UploadItem) {
+  item.status = 'compressing'
+  item.error = undefined
+
+  try {
+    const result = await compressFile(
+      item.file,
+      {
+        compression_rate: options.compressionRate,
+        max_width: toInt(options.maxWidth),
+        max_height: toInt(options.maxHeight),
+      },
+      auth.token,
+    )
+
+    item.result = result
+    item.status = 'done'
+  } catch (err) {
+    item.status = 'error'
+    if (err instanceof ApiError) {
+      item.error = `[${err.code}] ${err.message}`
+      return
+    }
+    item.error = '压缩失败，请稍后再试'
+  }
+}
+
+async function runAll() {
+  alert.value = null
+  for (const item of items.value) {
+    if (item.status === 'done') continue
+    await runOne(item)
+  }
+}
+
+async function download(item: UploadItem) {
+  if (!item.result) return
+  const url = item.result.download_url
+
+  if (!auth.token) {
+    window.open(url, '_blank', 'noopener,noreferrer')
+    return
+  }
+
+  const res = await fetch(url, {
+    headers: { authorization: `Bearer ${auth.token}` },
+  })
+  if (!res.ok) {
+    alert.value = { type: 'error', message: `下载失败（HTTP ${res.status}）` }
+    return
+  }
+
+  const blob = await res.blob()
+  const objectUrl = URL.createObjectURL(blob)
+  const a = document.createElement('a')
+  a.href = objectUrl
+  const base = item.file.name.replace(/\.[^/.]+$/, '')
+  const ext = item.result.format_out === 'jpeg' ? 'jpg' : item.result.format_out
+  a.download = `${base}.${ext}`
+  a.click()
+  URL.revokeObjectURL(objectUrl)
+}
+
+async function resendVerification() {
+  if (!auth.token) return
+  sendingVerification.value = true
+  alert.value = null
+  try {
+    const resp = await sendVerification(auth.token)
+    alert.value = { type: 'success', message: resp.message }
+  } catch (err) {
+    if (err instanceof ApiError) {
+      alert.value = { type: 'error', message: `[${err.code}] ${err.message}` }
+    } else {
+      alert.value = { type: 'error', message: '发送失败，请稍后再试' }
+    }
+  } finally {
+    sendingVerification.value = false
+  }
+}
+</script>
+
+<template>
+  <div class="space-y-6">
+    <div class="space-y-1">
+      <h1 class="text-2xl font-semibold tracking-tight text-slate-900">图片压缩</h1>
+      <p class="text-sm text-slate-600">
+        默认移除 EXIF 等元数据；匿名试用每天 10 次（UTC+8，自然日，Cookie + IP 双限制）。
+      </p>
+    </div>
+
+    <div
+      v-if="needVerifyEmail"
+      class="rounded-lg border border-amber-200 bg-amber-50 p-4 text-sm text-amber-900"
+    >
+      <div class="font-medium">你的邮箱尚未验证</div>
+      <div class="mt-1 text-amber-800">验证后才能使用登录态压缩与 API 能力。</div>
+      <div class="mt-3 flex flex-wrap items-center gap-2">
+        <button
+          type="button"
+          class="rounded-md bg-amber-600 px-3 py-1.5 font-medium text-white hover:bg-amber-700 disabled:opacity-50"
+          :disabled="sendingVerification"
+          @click="resendVerification"
+        >
+          重新发送验证邮件
+        </button>
+        <router-link class="text-amber-900 underline" to="/dashboard/settings">前往账号设置</router-link>
+      </div>
+    </div>
+
+    <div
+      v-if="alert"
+      class="rounded-lg border p-4 text-sm"
+      :class="{
+        'border-slate-200 bg-white text-slate-700': alert.type === 'info',
+        'border-emerald-200 bg-emerald-50 text-emerald-900': alert.type === 'success',
+        'border-rose-200 bg-rose-50 text-rose-900': alert.type === 'error',
+      }"
+    >
+      {{ alert.message }}
+    </div>
+
+    <div class="grid grid-cols-1 gap-6 lg:grid-cols-12">
+      <div class="lg:col-span-7">
+        <div class="rounded-xl border border-slate-200 bg-white p-5">
+          <div class="flex items-center justify-between">
+            <div class="text-sm font-medium text-slate-900">上传图片</div>
+            <div class="text-xs text-slate-500">支持 PNG / JPG / JPEG / WebP / AVIF / GIF / BMP / TIFF / ICO（GIF 仅静态）</div>
+          </div>
+
+          <div class="mt-4 flex flex-col gap-3">
+            <div
+              class="relative flex flex-col items-center justify-center rounded-lg border-2 border-dashed px-6 py-8 text-center transition"
+              :class="[
+                dragActive ? 'border-indigo-400 bg-indigo-50' : 'border-slate-200 bg-slate-50',
+                busy ? 'opacity-60' : '',
+              ]"
+              @dragenter.prevent="dragActive = true"
+              @dragover.prevent
+              @dragleave.prevent="dragActive = false"
+              @drop.prevent="handleDrop"
+            >
+              <div class="text-sm font-medium text-slate-700">拖拽图片到这里</div>
+              <div class="mt-1 text-xs text-slate-500">或点击选择文件，支持批量上传</div>
+              <input
+                class="absolute inset-0 cursor-pointer opacity-0"
+                type="file"
+                accept="image/png,image/jpeg,image/jpg,image/webp,image/avif,image/gif,image/bmp,image/x-ms-bmp,image/tiff,image/x-icon,image/vnd.microsoft.icon"
+                multiple
+                :disabled="busy"
+                @change="handleFileChange"
+              />
+            </div>
+
+            <div class="flex flex-wrap items-center gap-2">
+              <button
+                type="button"
+                class="rounded-md bg-indigo-600 px-3 py-1.5 text-sm font-medium text-white hover:bg-indigo-700 disabled:opacity-50"
+                :disabled="busy || items.length === 0"
+                @click="runAll"
+              >
+                开始压缩
+              </button>
+              <button
+                type="button"
+                class="rounded-md border border-slate-200 bg-white px-3 py-1.5 text-sm text-slate-700 hover:bg-slate-50 disabled:opacity-50"
+                :disabled="busy || items.length === 0"
+                @click="clearAll"
+              >
+                清空
+              </button>
+            </div>
+          </div>
+
+          <div v-if="items.length" class="mt-6 space-y-3">
+            <div
+              v-for="item in items"
+              :key="item.id"
+              class="flex items-center gap-3 rounded-lg border border-slate-200 p-3"
+            >
+              <img :src="item.previewUrl" class="h-12 w-12 rounded object-cover" alt="" />
+              <div class="min-w-0 flex-1">
+                <div class="truncate text-sm font-medium text-slate-900">{{ item.file.name }}</div>
+                <div class="text-xs text-slate-500">
+                  原始：{{ formatBytes(item.file.size) }}
+                  <template v-if="item.result">
+                    · 压缩后：{{ formatBytes(item.result.compressed_size) }} · 节省：
+                    {{ item.result.saved_percent.toFixed(2) }}%
+                  </template>
+                </div>
+                <div v-if="item.error" class="mt-1 text-xs text-rose-700">{{ item.error }}</div>
+              </div>
+
+              <div class="flex items-center gap-2">
+                <span
+                  v-if="item.status === 'compressing'"
+                  class="rounded-full bg-slate-100 px-2 py-1 text-xs text-slate-600"
+                >
+                  处理中
+                </span>
+                <span
+                  v-else-if="item.status === 'done'"
+                  class="rounded-full bg-emerald-50 px-2 py-1 text-xs text-emerald-700"
+                >
+                  完成
+                </span>
+                <span
+                  v-else-if="item.status === 'error'"
+                  class="rounded-full bg-rose-50 px-2 py-1 text-xs text-rose-700"
+                >
+                  失败
+                </span>
+
+                <button
+                  v-if="item.status !== 'compressing' && item.result"
+                  type="button"
+                  class="rounded-md border border-slate-200 bg-white px-2.5 py-1 text-xs text-slate-700 hover:bg-slate-50"
+                  @click="download(item)"
+                >
+                  下载
+                </button>
+                <button
+                  v-if="item.status === 'error' && !busy"
+                  type="button"
+                  class="rounded-md border border-slate-200 bg-white px-2.5 py-1 text-xs text-slate-700 hover:bg-slate-50"
+                  @click="runOne(item)"
+                >
+                  重试
+                </button>
+                <button
+                  type="button"
+                  class="rounded-md border border-slate-200 bg-white px-2.5 py-1 text-xs text-slate-500 hover:bg-slate-50"
+                  :disabled="busy"
+                  @click="removeItem(item.id)"
+                >
+                  移除
+                </button>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      <div class="lg:col-span-5 space-y-6">
+        <div v-if="auth.isLoggedIn" class="rounded-xl border border-slate-200 bg-white p-5">
+          <div class="text-sm font-medium text-slate-900">我的额度</div>
+          <div v-if="quotaLoading" class="mt-2 text-sm text-slate-500">加载中…</div>
+          <div v-else-if="quotaError" class="mt-2 text-sm text-rose-600">{{ quotaError }}</div>
+          <div v-else class="mt-2 space-y-1 text-sm text-slate-700">
+            <div class="text-2xl font-semibold text-slate-900">
+              {{ usage?.remaining_units ?? 0 }} / {{ usage?.total_units ?? usage?.included_units ?? 0 }}
+            </div>
+            <div>当期已用 {{ usage?.used_units ?? 0 }}</div>
+            <div v-if="(usage?.bonus_units ?? 0) > 0" class="text-xs text-slate-500">
+              套餐额度 {{ usage?.included_units ?? 0 }} + 赠送 {{ usage?.bonus_units ?? 0 }}
+            </div>
+            <div>套餐：{{ subscription?.plan.name ?? 'Free' }}</div>
+            <router-link to="/dashboard/billing" class="mt-3 inline-flex text-sm text-indigo-600 hover:text-indigo-700">
+              充值额度
+            </router-link>
+          </div>
+        </div>
+
+        <div class="rounded-xl border border-slate-200 bg-white p-5">
+          <div class="text-sm font-medium text-slate-900">压缩参数</div>
+
+          <div class="mt-4 grid grid-cols-1 gap-4">
+            <label class="space-y-1">
+              <div class="flex items-center justify-between text-xs font-medium text-slate-600">
+                <span>压缩率</span>
+                <span class="text-slate-500">{{ options.compressionRate }}%</span>
+              </div>
+              <input
+                v-model.number="options.compressionRate"
+                type="range"
+                min="1"
+                max="100"
+                step="1"
+                class="w-full"
+              />
+              <div class="text-xs text-slate-500">数值越大压缩越强，输出保持原格式。</div>
+            </label>
+
+            <div class="grid grid-cols-2 gap-3">
+              <label class="space-y-1">
+                <div class="text-xs font-medium text-slate-600">最大宽度（px）</div>
+                <input
+                  v-model="options.maxWidth"
+                  inputmode="numeric"
+                  placeholder="例如 2000"
+                  class="w-full rounded-md border border-slate-200 bg-white px-3 py-2 text-sm text-slate-800"
+                />
+              </label>
+              <label class="space-y-1">
+                <div class="text-xs font-medium text-slate-600">最大高度（px）</div>
+                <input
+                  v-model="options.maxHeight"
+                  inputmode="numeric"
+                  placeholder="例如 2000"
+                  class="w-full rounded-md border border-slate-200 bg-white px-3 py-2 text-sm text-slate-800"
+                />
+              </label>
+            </div>
+
+            <div class="rounded-lg border border-slate-200 bg-slate-50 p-4 text-xs text-slate-600">
+              <div class="font-medium text-slate-700">计量说明</div>
+              <ul class="mt-2 list-disc space-y-1 pl-4">
+                <li>成功压缩 1 个文件计 1 次。</li>
+                <li>超过当期配额将返回 <code>402 QUOTA_EXCEEDED</code>（硬配额）。</li>
+                <li>下载链接按套餐/匿名试用的保留期自动过期。</li>
+              </ul>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>