Carlos Florêncio
49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
package updates
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import (
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"errors"
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"math"
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"net/http"
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"github.com/gin-gonic/gin"
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)
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// HandleGet returns the cached kandev_meta view of latest version. It never
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// hits GitHub. Errors from the meta read are surfaced as 500.
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func HandleGet(svc *Service) gin.HandlerFunc {
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return func(c *gin.Context) {
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resp, err := svc.Get()
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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c.JSON(http.StatusOK, resp)
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}
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}
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// HandleCheck triggers a synchronous GitHub poll. When the per-process
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// limiter denies the request a 429 is returned with retry_after_seconds.
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// Other errors are surfaced as 502 since the upstream is GitHub.
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func HandleCheck(svc *Service) gin.HandlerFunc {
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return func(c *gin.Context) {
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resp, err := svc.Check(c.Request.Context())
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if errors.Is(err, ErrRateLimited) {
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retry := svc.RetryAfter()
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seconds := int64(math.Ceil(retry.Seconds()))
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if seconds < 1 {
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seconds = 1
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}
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c.JSON(http.StatusTooManyRequests, gin.H{
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"error": ErrRateLimited.Error(),
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"retry_after_seconds": seconds,
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})
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return
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}
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if err != nil {
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c.JSON(http.StatusBadGateway, gin.H{"error": err.Error()})
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return
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}
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c.JSON(http.StatusOK, resp)
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}
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}
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