/
handlers.go
103 lines (81 loc) · 2.19 KB
/
handlers.go
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package main
import (
"fmt"
"io"
"io/ioutil"
"net/http"
"encoding/json"
"github.com/gorilla/mux"
"github.com/jinzhu/gorm"
"github.com/davecgh/go-spew/spew"
)
func Index(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, "Welcome")
}
func TodoList(w http.ResponseWriter, r *http.Request) {
db := InitDB()
var todos Todos
response := TodosResponse{Error: true}
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
db.Limit(10).Find(&todos)
response.Error = false
response.Data = &todos
json.NewEncoder(w).Encode(response)
}
func TodoShow(w http.ResponseWriter, r *http.Request) {
params := mux.Vars(r)
db := InitDB()
response := TodoResponse{Error: true}
var todo Todo
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
query := db.First(&todo, params["todoId"])
if query.Error != nil && query.Error == gorm.RecordNotFound {
w.WriteHeader(404)
response.Data = nil
} else {
response.Error = false
response.Data = &todo
}
json.NewEncoder(w).Encode(response)
}
func TodoCreate(w http.ResponseWriter, r *http.Request) {
db := InitDB()
var todo Todo
response := TodoResponse{Error: true}
body, err := ioutil.ReadAll(io.LimitReader(r.Body, 1048576))
spew.Dump(body)
if err != nil {
panic(err)
}
if err := r.Body.Close(); err != nil {
panic(err)
}
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
if err := json.Unmarshal(body, &todo); err != nil {
w.WriteHeader(422) // unprocessable entity
if err := json.NewEncoder(w).Encode(err); err != nil {
panic(err)
}
} else {
db.Create(&todo)
response.Error = false;
response.Data = &todo
}
json.NewEncoder(w).Encode(response)
}
func TodoRemove(w http.ResponseWriter, r *http.Request) {
params := mux.Vars(r)
db := InitDB()
response := TodoResponse{Error: true}
var todo Todo
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
query := db.First(&todo, params["todoId"])
if query.Error != nil && query.Error == gorm.RecordNotFound {
w.WriteHeader(404)
response.Data = nil
} else {
db.Delete(&todo)
response.Error = false
}
json.NewEncoder(w).Encode(response)
}