39 lines
1.3 KiB
Go
39 lines
1.3 KiB
Go
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package utm
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import (
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"strings"
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"apps/backend/internal/config"
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"apps/backend/internal/module/growth/domain"
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"apps/backend/internal/types"
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)
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const trackPathPrefix = "/api/v1/public/u/"
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// publicView 把追蹤連結轉成對外型別。TrackUrl 必須由後端算：連結會被貼進 Threads
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// 貼文，前端自己拼 window.location.origin 在 API 與前端不同 host 時會產出 404 連結。
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func publicView(c config.Config, u *domain.UtmLink) types.UtmLinkPublic {
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path := trackPathPrefix + u.Code
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return types.UtmLinkPublic{
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Id: u.ID,
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Code: u.Code,
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TrackPath: path,
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TrackUrl: publicAPIBase(c) + path,
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DestinationUrl: u.DestinationURL,
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OutcomeId: u.OutcomeID,
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Label: u.Label,
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Clicks: u.Clicks,
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CreatedAt: u.CreatedAt,
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}
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}
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// publicAPIBase 與 threads oauth callback 用同一套推導：PublicAPIBase 優先，否則
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// PublicWebBase（正式站 nginx、dev 的 vite 都會把 /api 轉到 gateway）。兩者皆空
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// 時回空字串，TrackUrl 退回相對路徑讓瀏覽器自己解。
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func publicAPIBase(c config.Config) string {
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if b := strings.TrimRight(strings.TrimSpace(c.PublicAPIBase), "/"); b != "" {
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return b
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}
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return strings.TrimRight(strings.TrimSpace(c.PublicWebBase), "/")
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}
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