Merge pull request #1 from senaduka/practice

Practice

.gitignore

@@ -4,6 +4,8 @@
 *.so
 *.dylib
 
+*.idea
+
 # Test binary, build with `go test -c`
 *.test
 

README.md

@@ -1,2 +1,4 @@
 # nedim-vjezba-golang
 nedim vjezba golang
+
+Uses dependency `go get github.com/gorilla/mux`

main.go

@@ -0,0 +1,76 @@
+package main
+
+import (
+	"github.com/gorilla/mux"
+	"log"
+	"net/http"
+	"encoding/json"
+	"fmt"
+)
+
+type Trend [] struct {
+	Trends [] struct {
+		Name            string `json:"name,omitempty"`
+		Url             string `json:"url,omitempty"`
+		PromotedContent string `promoted_content:"lastname,omitempty"`
+		Query           string `json:"query,omitempty"`
+		TweetVolume     int    `json:"tweet_volume,omitempty"`
+	} `json:"trends"`
+}
+
+func main() {
+
+	router := mux.NewRouter()
+	router.HandleFunc("/hashtags", GetHashtags).Methods("GET")
+	router.HandleFunc("/hashtags/{woeid}", GetHashtagFromWOEID).Methods("GET")
+	log.Fatal(http.ListenAndServe(":8000", router))
+}
+
+func GetHashtags(w http.ResponseWriter, r *http.Request) {
+
+	body := sendRequestToTwitter("1")
+	jsonResponse, err := json.Marshal(body)
+	if err != nil {
+		panic(err)
+	}
+
+	w.Write(jsonResponse)
+}
+
+func GetHashtagFromWOEID(w http.ResponseWriter, r *http.Request) {
+
+	params := mux.Vars(r)
+	body := sendRequestToTwitter(params["woeid"])
+	jsonResponse, err := json.Marshal(body)
+	if err != nil {
+		panic(err)
+	}
+
+	w.Write(jsonResponse)
+}
+
+func sendRequestToTwitter(WOEID string) []string {
+
+	url := "https://api.twitter.com/1.1/trends/place.json?id=" + WOEID
+	req, _ := http.NewRequest("GET", url, nil)
+	req.Header.Add("Authorization", "Bearer AAAAAAAAAAAAAAAAAAAAAKCtPAAAAAAAq1L5CTf40mf5K%2B7Q6QcWxsyjNvo%3DRkSK8AQBdk6latG2h47XWJVSQdn98heLv8HDLDhviicP3xvodm")
+	req.Header.Add("Cache-Control", "no-cache")
+	req.Header.Add("Accept", "application/json")
+	res, _ := http.DefaultClient.Do(req)
+
+	defer res.Body.Close()
+	trends := Trend{}
+	var hashtags []string
+
+	err := json.NewDecoder(res.Body).Decode(&trends)
+	if err != nil {
+		fmt.Printf("Error while parsing data: %s", err)
+	}
+
+	for _, t := range trends[0].Trends {
+		hashtags = append(hashtags, t.Name)
+		println(t.Name)
+	}
+
+	return hashtags
+}