62 lines
2.3 KiB
JavaScript
62 lines
2.3 KiB
JavaScript
/** 纯数字 @qq.com（大小写不敏感）→ QQ 号码，用于与后端一致的展示逻辑 */
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export function qqUinFromEmail(email) {
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if (!email || typeof email !== "string") return "";
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const e = email.trim().toLowerCase();
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const at = e.lastIndexOf("@");
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if (at <= 0 || at >= e.length - 1) return "";
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const local = e.slice(0, at);
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const domain = e.slice(at + 1);
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if (domain !== "qq.com" || !local) return "";
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if (!/^\d+$/.test(local)) return "";
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return local;
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}
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export function qqUinFromUser(user) {
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if (!user || typeof user !== "object") return "";
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const primary = qqUinFromEmail(user.email);
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if (primary) return primary;
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for (const em of user.secondaryEmails || []) {
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const u = qqUinFromEmail(em);
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if (u) return u;
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}
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return "";
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}
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/** 与后端 ResolvedAvatarURL 一致的三档 QQ CDN（依次作为 img onError 回退） */
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export function qqAvatarUrlCandidates(uin) {
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if (!uin) return [];
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return [
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`https://q.qlogo.cn/headimg_dl?dst_uin=${encodeURIComponent(uin)}&spec=640&img_type=jpg`,
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`https://q1.qlogo.cn/g?b=qq&nk=${encodeURIComponent(uin)}&s=100`,
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`https://q2.qlogo.cn/headimg_dl?dst_uin=${encodeURIComponent(uin)}&spec=100`
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];
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}
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export function placeholderAvatarUrl(size) {
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return `https://dummyimage.com/${size}x${size}/ddd/fff&text=Avatar`;
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}
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/** 用于 <img src>：自选链接优先，否则 QQ 邮箱推断的多 CDN，否则 API 下发的 avatarUrl，最后占位图 */
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export function avatarImageCandidates(user, placeholderSize = 120) {
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const custom = (user?.customAvatarUrl != null && String(user.customAvatarUrl).trim()) || "";
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if (custom) return [custom];
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const uin = qqUinFromUser(user);
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if (uin) return qqAvatarUrlCandidates(uin);
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const resolved = (user?.avatarUrl != null && String(user.avatarUrl).trim()) || "";
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if (resolved) return [resolved];
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return [placeholderAvatarUrl(placeholderSize)];
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}
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export function resolveDisplayAvatarUrl(user, placeholderSize = 120) {
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const c = avatarImageCandidates(user, placeholderSize);
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return c[0] || placeholderAvatarUrl(placeholderSize);
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}
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export function avatarStatusLabel(user) {
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const custom = (user?.customAvatarUrl != null && String(user.customAvatarUrl).trim()) || "";
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if (custom) return "已设置";
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if (qqUinFromUser(user)) return "QQ 邮箱头像";
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return "未填写";
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}
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