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package blog
import (
"os"
"io"
"fmt"
"net/http"
"github.com/gorilla/mux"
)
type FileReader struct{}
type SlugReader interface {
Read(slug string) (string, error)
}
func (fsr FileReader) Read(slug string) (string, error) {
f, err := os.Open(slug + ".md")
if err != nil {
return "", err
}
defer f.Close()
b, err := io.ReadAll(f)
if err != nil {
return "", err
}
return string(b), nil
}
func PostHandler(sl SlugReader) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r) // Correctly retrieve vars from the request
slug := vars["slug"] // Access the slug
postMarkdown, err := sl.Read(slug)
if err != nil {
http.Error(w, "Post not found", http.StatusNotFound)
return
}
fmt.Fprint(w, postMarkdown)
}
}
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