/
main.go
200 lines (160 loc) · 3.88 KB
/
main.go
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package main
import (
"encoding/json"
"fmt"
r "github.com/dancannon/gorethink"
"github.com/gorilla/mux"
"io/ioutil"
"log"
"net/http"
)
var session *r.Session
type Recipe struct {
ID string
Name string
Time string
Method string
Ingredients []string
}
func main() {
var err error
session, err = r.Connect(r.ConnectOpts{
Address: "localhost:28015",
Database: "recipes",
MaxIdle: 10,
MaxOpen: 10,
})
if err != nil {
log.Fatalln(err.Error())
}
session.SetMaxOpenConns(5)
setup()
router := mux.NewRouter().StrictSlash(true)
router.HandleFunc("/add", addHandler)
router.HandleFunc("/view/{recipeId}", viewHandler)
router.HandleFunc("/list", listHandler)
router.HandleFunc("/edit/{recipeId}", editHandler)
router.HandleFunc("/delete/{recipeId}", deleteHandler)
log.Fatal(http.ListenAndServe(":8082", router))
}
func addHandler(w http.ResponseWriter, req *http.Request) {
input, err := ioutil.ReadAll(req.Body)
defer req.Body.Close()
var newRecipe Recipe
err = json.Unmarshal(input, &newRecipe)
if err != nil {
log.Println(err.Error())
}
log.Println(newRecipe)
resp, err := r.DB("recipes").Table("recipes").Insert(newRecipe).Run(session)
if err != nil {
log.Println(err.Error())
}
defer resp.Close()
var response map[string]interface{}
err = resp.One(&response)
keys := response["generated_keys"].([]interface{})
log.Println(keys)
key := keys[0].(string)
w.WriteHeader(http.StatusCreated)
fmt.Fprintf(w, key)
}
func viewHandler(w http.ResponseWriter, req *http.Request) {
vars := mux.Vars(req)
recipeId := vars["recipeId"]
log.Println(recipeId)
res, err := r.DB("recipes").Table("recipes").Get(recipeId).Run(session)
if err != nil {
log.Println(err.Error())
}
defer res.Close()
if res.IsNil() {
log.Println("Could not find record")
w.WriteHeader(http.StatusNotFound)
return
}
var recipe Recipe
err = res.One(&recipe)
if err != nil {
log.Println("Error handling DB result")
}
log.Println(recipe)
output, err := json.Marshal(recipe)
if err != nil {
log.Println(err.Error())
}
fmt.Fprintf(w, string(output[:]))
}
func listHandler(w http.ResponseWriter, req *http.Request) {
res, err := r.DB("recipes").Table("recipes").Run(session)
if err != nil {
log.Println(err.Error())
}
var recipes []Recipe
err = res.All(&recipes)
if err != nil {
log.Println("Error handling DB result")
}
log.Println(recipes)
output, err := json.Marshal(recipes)
if err != nil {
log.Println(err.Error())
}
w.Header().Set("Access-Control-Allow-Origin", "http://192.168.56.101")
fmt.Fprintf(w, string(output[:]))
}
func editHandler(w http.ResponseWriter, req *http.Request) {
log.Println(req)
}
func deleteHandler(w http.ResponseWriter, req *http.Request) {
vars := mux.Vars(req)
recipeId := vars["recipeId"]
log.Println(recipeId)
resp, err := r.DB("recipes").Table("recipes").Get(recipeId).Delete().RunWrite(session)
if err != nil {
log.Println(err.Error())
}
log.Printf("%d row deleted", resp.Deleted)
}
func setup() {
dbs, err := r.DBList().Run(session)
if err != nil {
log.Fatalln(err.Error())
}
defer dbs.Close()
var response []string
dbs.All(&response)
log.Println(response)
log.Println(contains(response, "test"))
if contains(response, "recipes") {
log.Println("DB already exists")
} else {
_, err := r.DBCreate("recipes").RunWrite(session)
if err != nil {
log.Fatalln(err.Error())
}
}
tables, err := r.DB("recipes").TableList().Run(session)
if err != nil {
log.Fatalln(err.Error())
}
defer tables.Close()
var tableList []string
err = tables.All(&tableList)
if contains(tableList, "recipes") {
log.Println("Table already exists")
} else {
_, err := r.DB("recipes").TableCreate("recipes").RunWrite(session)
if err != nil {
log.Fatalln(err.Error())
}
}
}
func contains(s []string, e string) bool {
for _, a := range s {
if a == e {
return true
}
}
return false
}