mirror of
https://github.com/hanzoai/commerce.git
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zeekay
1943f1c093
Multi-tenant commerce and billing: orders, subscriptions, invoices, plans, usage metering and a credit ledger. One Go binary. MIT OR Apache-2.0. Claude-Session: https://claude.ai/code/session_01SAtaDFm8VDiWrhYHNNtxMw
33 lines
1.0 KiB
Go
33 lines
1.0 KiB
Go
package middleware
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import (
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"errors"
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"os"
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"github.com/zap-proto/fiber/v3"
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"github.com/zap-proto/zip"
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)
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// Serve custom 404 page.
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//
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// fiber returns fiber.ErrNotFound from c.Next() when no route matched; that is
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// the ONE signal for a framework 404. A handler that renders its own 404 (via
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// http.Fail) returns nil, so it is left untouched — only the unmatched-route
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// case is replaced with the custom page.
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func NotFoundHandler() zip.Handler {
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return func(c *zip.Ctx) error {
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err := c.Next()
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if err == nil || !errors.Is(err, fiber.ErrNotFound) {
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return err
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}
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c.SetHeader("Content-Type", "text/html")
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// Simple 404 response (can be enhanced with template support)
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if os.Getenv("ENV") == "development" {
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return c.Bytes(404, []byte("<head><style>body{font-family:monospace; margin:20px}</style><h4>404 Not Found </h1><p>No such file or directory.</p>"))
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}
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return c.Bytes(404, []byte("<head><style>body{font-family:monospace; margin:20px}</style><h4>404 Not Found</h1><p>No such file or directory.</p>"))
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}
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}
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