Initial commit

1 files changed, 51 insertions, 0 deletions

diff --git a/main.go b/main.go
new file mode 100644
index 0000000..4c3c3b5
--- /dev/null
+++ b/main.go
@@ -0,0 +1,51 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+func main() {
+	db := getInitializedDatabase()
+
+	http.HandleFunc("/zip/", func(w http.ResponseWriter, r *http.Request) {
+		handleZipcodeRequest(w, r, db)
+	})
+
+	http.ListenAndServe(":8080", nil)
+}
+
+func getInitializedDatabase() *ZipcodeDatabase {
+	db := NewZipcodeDatabase()
+	err := db.LoadFromCSV("./zips.csv")
+	if err != nil {
+		fmt.Printf("%s\n", err)
+	}
+
+	return db
+}
+
+func handleZipcodeRequest(response http.ResponseWriter, request *http.Request, db *ZipcodeDatabase) {
+	zip := zipcodeForRequest(request)
+	if details := db.Find(zip); details == nil {
+		http.Error(response, "", 404)
+	} else {
+		setResponseHeaders(response)
+		sendZipcodeDetails(details, response)
+	}
+}
+
+func setResponseHeaders(response http.ResponseWriter) {
+	response.Header().Set("Access-Control-Allow-Origin", "*")
+	response.Header().Set("Content-Type", "application/json")
+}
+
+func zipcodeForRequest(request *http.Request) string {
+	return request.URL.Path[len("/zip/"):]
+}
+
+func sendZipcodeDetails(details *ZipcodeDetails, response http.ResponseWriter) {
+	data, _ := json.MarshalIndent(details, "", "  ")
+	fmt.Fprintf(response, string(data))
+}