42 lines
1000 B
Go
42 lines
1000 B
Go
package swagger // import "go.unistack.org/micro-server-http/v4/handler/swagger"
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import (
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"context"
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"io/fs"
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"net/http"
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httpsrv "go.unistack.org/micro-server-http/v4"
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"go.unistack.org/micro/v4/server"
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)
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type (
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Hook func([]byte) []byte
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ErrorHandler func(ctx context.Context, s server.Handler, w http.ResponseWriter, r *http.Request, err error, status int)
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)
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// Handler append to generated swagger data from dst map[string]interface{}
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var Handler = func(fsys fs.FS, hooks []Hook, h httpsrv.ErrorHandler) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet {
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h(r.Context())
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w.WriteHeader(http.StatusNotFound)
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return
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}
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path := r.URL.Path
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if len(path) > 1 && path[0] == '/' {
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path = path[1:]
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}
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buf, err := fs.ReadFile(fsys, path)
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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_, _ = w.Write([]byte(err.Error()))
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return
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}
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w.WriteHeader(http.StatusOK)
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_, _ = w.Write(buf)
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}
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}
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