/
handlers.go
386 lines (335 loc) · 10.2 KB
/
handlers.go
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package main
import (
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"strconv"
"github.com/gorilla/mux"
)
func Index(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
fmt.Fprint(w, "Welcome!\n")
}
//handlers for municipality
func MunicipalIndex(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
var lat float64
var lon float64
var err error
if lat, err = strconv.ParseFloat(vars["lat"], 64); err != nil{
panic(err)
}
if lon, err = strconv.ParseFloat(vars["lon"], 64); err != nil{
panic(err)
}
m := RepoFindCourtByAddress(lat, lon)
if m.Id >= 0 {
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusOK)
if err := json.NewEncoder(w).Encode(m); err != nil {
panic(err)
}
return
}
// If we didn't find it, 404
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusNotFound)
if err := json.NewEncoder(w).Encode(jsonErr{Code: http.StatusNotFound, Text: "Not Found"}); err != nil {
panic(err)
}
}
func MunicipalShow(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
var mId int
var err error
if mId, err = strconv.Atoi(vars["mId"]); err != nil {
panic(err)
}
m := RepoFindMunicipality(mId)
if m.Id > 0 {
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusOK)
if err := json.NewEncoder(w).Encode(m); err != nil {
panic(err)
}
return
}
// If we didn't find it, 404
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusNotFound)
if err := json.NewEncoder(w).Encode(jsonErr{Code: http.StatusNotFound, Text: "Not Found"}); err != nil {
panic(err)
}
}
//handlers for court
func CourtIndex(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusOK)
if err := json.NewEncoder(w).Encode(courts); err != nil {
panic(err)
}
}
func CourtCreate(w http.ResponseWriter, r *http.Request){
var court Court
var err error
//Check if malicious user is trying to overload the server
body, err := ioutil.ReadAll(io.LimitReader(r.Body, 1048576))
if err != nil{
panic(err)
}
if err := r.Body.Close(); err != nil{
panic(err)
}
if err := json.Unmarshal(body, &court); err != nil{
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(422) // unprocessable entity
if err := json.NewEncoder(w).Encode(err); err != nil {
panic(err)
}
}
if court, err = RepoCreateCourt(court); err != nil {
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(422) // unprocessable entity
if err := json.NewEncoder(w).Encode(err); err != nil {
panic(err)
}
}
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusCreated)
if err := json.NewEncoder(w).Encode(court); err != nil {
panic(err)
}
}
func CourtUpdate(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
var courtId int
var err error
if courtId, err = strconv.Atoi(vars["courtId"]); err != nil {
panic(err)
}
var court Court
//Check if malicious user is trying to overload the server
body, err := ioutil.ReadAll(io.LimitReader(r.Body, 1048576))
if err != nil {
panic(err)
}
if err := r.Body.Close(); err != nil {
panic(err)
}
if err := json.Unmarshal(body, &court); err != nil {
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(422) // unprocessable entity
if err := json.NewEncoder(w).Encode(err); err != nil {
panic(err)
}
}
if err := RepoUpdateCourt(&court, courtId); err != nil{
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusNotFound) //TODO: Use right status code
if err := json.NewEncoder(w).Encode(jsonErr{Code: http.StatusNotFound, Text: "Not Found"}); err != nil {
panic(err)
}
}
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusOK) // TODO: Use right status code
if err := json.NewEncoder(w).Encode(court); err != nil {
panic(err)
}
}
func CourtDelete(w http.ResponseWriter, r *http.Request){
vars := mux.Vars(r)
var courtId int
var err error
if courtId, err = strconv.Atoi(vars["courtId"]); err != nil{
panic(err)
}
if err := RepoDeleteCourt(courtId); err!= nil {
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusNotFound) //TODO: Use right status code
if err := json.NewEncoder(w).Encode(jsonErr{Code: http.StatusNotFound, Text: "Not Found"}); err != nil {
panic(err)
}
} else {
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusOK)
if err := json.NewEncoder(w).Encode(jsonErr{Code: http.StatusOK, Text: "Item Deleted"}); err != nil {
panic(err)
}
}
}
func CourtShow(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
var courtId int
var err error
if courtId, err = strconv.Atoi(vars["courtId"]); err != nil {
panic(err)
}
court := RepoFindCourt(courtId)
if court.Id > 0 {
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusOK)
if err := json.NewEncoder(w).Encode(court); err != nil {
panic(err)
}
return
}
// If we didn't find it, 404
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusNotFound)
if err := json.NewEncoder(w).Encode(jsonErr{Code: http.StatusNotFound, Text: "Not Found"}); err != nil {
panic(err)
}
}
//handlers for Ticket
func TicketIndex(w http.ResponseWriter, r *http.Request) {
params := r.URL.Query()
driver_licenses, ok := params["driver_license"]
if ok {
driver_license := string(driver_licenses[0])
tic := RepoFindTicketByDriverLicenseNumber(driver_license)
if tic.Id > 0 {
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusOK)
if err := json.NewEncoder(w).Encode(tic); err != nil {
panic(err)
}
}else {
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusNotFound)
if err := json.NewEncoder(w).Encode(jsonErr{Code: http.StatusNotFound, Text: "Not Found"}); err != nil {
panic(err)
}
}
} else {
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusOK)
if err := json.NewEncoder(w).Encode(gTickets); err != nil {
panic(err)
}
}
}
func TicketCreate(w http.ResponseWriter, r *http.Request){
var ticket Ticket
var err error
//Check if malicious user is trying to overload the server
body, err := ioutil.ReadAll(io.LimitReader(r.Body, 1048576))
if err != nil{
panic(err)
}
if err := r.Body.Close(); err != nil{
panic(err)
}
if err := json.Unmarshal(body, &ticket); err != nil{
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(422) // unprocessable entity
if err := json.NewEncoder(w).Encode(err); err != nil {
panic(err)
}
}
if ticket, err = RepoCreateTicket(ticket); err != nil {
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(422) // unprocessable entity
if err := json.NewEncoder(w).Encode(err); err != nil {
panic(err)
}
}
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusCreated)
if err := json.NewEncoder(w).Encode(ticket); err != nil {
panic(err)
}
}
func TicketUpdate(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
var ticketId int
var err error
if ticketId, err = strconv.Atoi(vars["ticketId"]); err != nil {
panic(err)
}
var ticket Ticket
//Check if malicious user is trying to overload the server
body, err := ioutil.ReadAll(io.LimitReader(r.Body, 1048576))
if err != nil {
panic(err)
}
if err := r.Body.Close(); err != nil {
panic(err)
}
if err := json.Unmarshal(body, &ticket); err != nil {
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(422) // unprocessable entity
if err := json.NewEncoder(w).Encode(err); err != nil {
panic(err)
}
}
if err := RepoUpdateTicket(&ticket, ticketId); err != nil{
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusNotFound) //TODO: Use right status code
if err := json.NewEncoder(w).Encode(jsonErr{Code: http.StatusNotFound, Text: "Not Found"}); err != nil {
panic(err)
}
}
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusOK) // TODO: Use right status code
if err := json.NewEncoder(w).Encode(ticket); err != nil {
panic(err)
}
}
func TicketDelete(w http.ResponseWriter, r *http.Request){
vars := mux.Vars(r)
var ticketId int
var err error
if ticketId, err = strconv.Atoi(vars["ticketId"]); err != nil{
panic(err)
}
if err := RepoDeleteTicket(ticketId); err!= nil {
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusNotFound) //TODO: Use right status code
if err := json.NewEncoder(w).Encode(jsonErr{Code: http.StatusNotFound, Text: "Not Found"}); err != nil {
panic(err)
}
} else {
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusOK)
if err := json.NewEncoder(w).Encode(jsonErr{Code: http.StatusOK, Text: "Item Deleted"}); err != nil {
panic(err)
}
}
}
func TicketShow(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
var ticketId int
var err error
if ticketId, err = strconv.Atoi(vars["ticketId"]); err != nil {
panic(err)
}
ticket := RepoFindTicket(ticketId)
if ticket.Id > 0 {
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusOK)
if err := json.NewEncoder(w).Encode(ticket); err != nil {
panic(err)
}
return
}
// If we didn't find it, 404
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusNotFound)
if err := json.NewEncoder(w).Encode(jsonErr{Code: http.StatusNotFound, Text: "Not Found"}); err != nil {
panic(err)
}
}
/*
Example of JSON data structure
{
"id":"1",
"key":"value",
"key2":["value1","value2"]
}
*/
/*
Test with this curl command:
curl -H "Content-Type: application/json" -d '{"name":"New Todo"}' http://localhost:8080/todos
*/