Deion I have an api group, and I want it to have a different

Thanks for this confirmation <a class="user-mention notranslate" data-hovercard-type="

I won't use gin.NoRoute(), instead of I will use this workaround: <div class="high

Different 404 handler for different group about gin HOT 4 CLOSED

jerome-laforge commented on September 27, 2024

Different 404 handler for different group

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Comments (4)

JimChenWYU commented on September 27, 2024

Base on the current structure of gin, I dont think gin can solve your problem.

Just group by prefix

All routes will be registered to engine.Handlers

So only provides the global 404 handler

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jerome-laforge commented on September 27, 2024

Thanks for this confirmation @JimChenWYU

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jerome-laforge commented on September 27, 2024

I won't use gin.NoRoute(), instead of I will use this workaround:

func noRoute(r *gin.Engine, basePath string, hfs ...gin.HandlerFunc) {
	r.Any(basePath+"/:path", hfs...)
}
...
noRoute(r, "/a", func(ctx *gin.Context) {
	// manage no route for /a/*
})
noRoute(r, "/b", func(ctx *gin.Context) {
	// manage no route for /b/*
})

Thx again @JimChenWYU for your support

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jerome-laforge commented on September 27, 2024

Another workaround that is more robust but also more weird, it is use 2 gin.Engine for each group (the global mergeEngine & the specific engineOnlyForA or engineOnlyForB)

mergeEngine := gin.New()

// manage all routes + noroutes for /a/*
{
	engineOnlyForA := gin.New()
	engineOnlyForA.GET("/a/bc", func(c *gin.Context) {
		// do stuff for /a/bc
	})
	engineOnlyForA.GET("/a/de", func(c *gin.Context) {
		// do stuff for /a/de
	})
	engineOnlyForA.NoRoute(func(c *gin.Context) {
		// no route for /a/*
	})

	mergeEngine.Any("/a/*path", gin.WrapH(engineOnlyForA))
}

// manage all routes + noroutes for /b/* 
{
	engineOnlyForB := gin.New()
	engineOnlyForB.GET("/b/cd", func(c *gin.Context) {
		// do stuff for /b/cd
	})
	engineOnlyForB.GET("/b/ef", func(c *gin.Context) {
		// do stuff for /b/ef
	})
	engineOnlyForB.NoRoute(func(c *gin.Context) {
		// no route for /b/*
	})

	mergeEngine.Any("/b/*path", gin.WrapH(engineOnlyForB))
}