34 lines
833 B
Go
34 lines
833 B
Go
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package api
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import (
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"encoding/base64"
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"sync"
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"git.solsynth.dev/hypernet/reader/pkg/internal/services"
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"github.com/gofiber/fiber/v2"
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)
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var expandInProgress sync.Map
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func getLinkMeta(c *fiber.Ctx) error {
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targetEncoded := c.Params("*1")
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targetRaw, _ := base64.StdEncoding.DecodeString(targetEncoded)
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if ch, loaded := expandInProgress.LoadOrStore(targetEncoded, make(chan struct{})); loaded {
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// If the request is already in progress, wait for it to complete
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<-ch.(chan struct{})
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} else {
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// If this is the first request, process it and signal others
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defer func() {
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close(ch.(chan struct{}))
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expandInProgress.Delete(targetEncoded)
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}()
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}
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if meta, err := services.ScrapLink(string(targetRaw)); err != nil {
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return fiber.NewError(fiber.StatusBadRequest, err.Error())
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} else {
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return c.JSON(meta)
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}
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}
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