wgoodall01/wikipath

package main

import (
    "encoding/json"
    wp "github.com/wgoodall01/wikipath/wp"
    "log"
    "net/http"
)

type RandomResponse struct {
    Title string `json:"title"` // Title of the article.
}

type RandomHandler struct {
    ind *wp.Index
}

func NewRandomHandler(ind *wp.Index) *RandomHandler {
    return &RandomHandler{
        ind: ind,
    }
}

func (rh *RandomHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
    article := rh.ind.GetRandom()
    bytes, respErr := json.MarshalIndent(RandomResponse{Title: article.Title}, "", "  ")
    if respErr != nil {
        panic(respErr)
    }
    w.Write(bytes)
    log.Printf("Random article '%s'", article.Title)
}