62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
package swagger_handler
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import (
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"io/fs"
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"net/http"
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yamlcodec "go.unistack.org/micro-codec-yaml/v3"
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rutil "go.unistack.org/micro/v3/util/reflect"
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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(dst map[string]interface{}, fsys fs.FS) http.HandlerFunc {
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c := yamlcodec.NewCodec()
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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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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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if dst == nil {
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w.WriteHeader(http.StatusOK)
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_, _ = w.Write(buf)
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return
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}
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var src interface{}
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if err = c.Unmarshal(buf, src); 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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if err = rutil.Merge(src, dst); 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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if buf, err = c.Marshal(src); 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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