73 lines
2.2 KiB
TypeScript
73 lines
2.2 KiB
TypeScript
// 头像来源解析：优先读取用户选中的身份，未选择时按创建顺序取第一个可用头像
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export interface AvatarIdentity {
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id?: number
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provider: string
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providerUserId: string
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providerUsername?: string | null
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avatar?: string | null
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createdAt?: Date | string | number | null
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}
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export interface AvatarSource {
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provider: string
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providerUserId: string
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url: string
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}
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export function getIdentityAvatarUrl(
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identity: AvatarIdentity | null | undefined
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): string | null {
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if (!identity) return null
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if (identity.provider === 'webauthn' || identity.provider === 'totp') return null
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const avatar = typeof identity.avatar === 'string' ? identity.avatar.trim() : ''
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if (avatar && /^https?:\/\//i.test(avatar)) return avatar
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// 兼容迁移前只存了 GitHub 用户名的身份（需校验格式，防止特殊字符拼进 URL）
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const username =
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typeof identity.providerUsername === 'string' ? identity.providerUsername.trim() : ''
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if (identity.provider === 'github' && username && /^[a-zA-Z0-9-]{1,39}$/.test(username)) {
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return `https://github.com/${username}.png`
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}
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return null
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}
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export function resolveAvatarSource(
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user: { avatarProvider?: string | null; avatarProviderUserId?: string | null },
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identities: AvatarIdentity[]
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): AvatarSource | null {
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const candidates = identities
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.filter((identity) => getIdentityAvatarUrl(identity))
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.sort((a, b) => {
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const timeDiff = Number(new Date(a.createdAt || 0)) - Number(new Date(b.createdAt || 0))
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if (timeDiff !== 0) return timeDiff
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return (a.id ?? 0) - (b.id ?? 0)
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})
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if (candidates.length === 0) return null
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if (user?.avatarProvider && user?.avatarProviderUserId) {
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const selected = candidates.find(
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(identity) =>
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identity.provider === user.avatarProvider &&
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identity.providerUserId === user.avatarProviderUserId
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)
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if (selected) {
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return {
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provider: selected.provider,
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providerUserId: selected.providerUserId,
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url: getIdentityAvatarUrl(selected)!
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}
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}
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}
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const first = candidates[0]
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return {
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provider: first.provider,
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providerUserId: first.providerUserId,
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url: getIdentityAvatarUrl(first)!
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}
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}
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