package middleware
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import (
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"github.com/gin-gonic/gin"
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"github.com/gofrs/uuid"
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)
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func RequestId() gin.HandlerFunc {
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return func(ctx *gin.Context) {
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// Check for incoming header, use it if exists
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requestId := ctx.Request.Header.Get("X-Request-Id")
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// Create request id with UUID4
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if requestId == "" {
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uid, _ := uuid.NewV4()
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requestId = uid.String()
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}
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// Expose it for use in the application
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ctx.Request.Header.Set("X-Request-Id", requestId)
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// Set X-Request-Id header
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ctx.Writer.Header().Set("X-Request-Id", requestId)
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ctx.Next()
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}
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}
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