start high scores handler

handlers/high_scores.go

@@ -0,0 +1,46 @@
+package handlers
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/http"
+
+	"github.com/gojp/goreportcard/db"
+	"gopkg.in/mgo.v2/bson"
+)
+
+var highScores []struct {
+	Repo    string
+	Files   int
+	Average float64
+}
+
+func HighScoresHandler(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "application/json")
+
+	db := db.Mongo{URL: mongoURL, Database: mongoDatabase, CollectionName: mongoCollection}
+	coll, err := db.Collection()
+	if err != nil {
+		log.Println("ERROR: could not get collection:", err)
+		http.Error(w, err.Error(), 500)
+		return
+	}
+
+	err = coll.Find(bson.M{"files": bson.M{"$gt": 100}}).Sort("average").All(&highScores)
+	fmt.Println(highScores)
+	if err != nil {
+		log.Println("ERROR: could not get high scores: ", err)
+		http.Error(w, err.Error(), 500)
+		return
+	}
+
+	b, err := json.Marshal(highScores)
+	if err != nil {
+		log.Println("ERROR: could not marshal json:", err)
+		http.Error(w, err.Error(), 500)
+		return
+	}
+
+	w.Write(b)
+}

main.go

@@ -32,6 +32,7 @@ func main() {
 	http.HandleFunc("/checks", handlers.CheckHandler)
 	http.HandleFunc("/report/", makeHandler("report", handlers.ReportHandler))
 	http.HandleFunc("/badge/", makeHandler("badge", handlers.BadgeHandler))
+	http.HandleFunc("/high_scores/", handlers.HighScoresHandler)
 	http.HandleFunc("/", handlers.HomeHandler)
 
 	fmt.Println("Running on 127.0.01:8080...")