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main.go
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main.go
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package main
import (
"encoding/json"
"fmt"
"log"
"net/http"
"github.com/gorilla/mux"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
)
type Student struct {
gorm.Model
Name string
Age string
}
func getAllStudents(w http.ResponseWriter, r *http.Request) {
db, err := gorm.Open(sqlite.Open("testgo.db"), &gorm.Config{})
if err != nil {
fmt.Println(err.Error())
panic("failed to connect database")
}
var students []Student
db.Find(&students)
json.NewEncoder(w).Encode(students)
}
func addNewStudent(w http.ResponseWriter, r *http.Request) {
db, err := gorm.Open(sqlite.Open("testgo.db"), &gorm.Config{})
if err != nil {
fmt.Println(err.Error())
panic("failed to connect database")
}
vars := mux.Vars(r)
rName := vars["name"]
rAge := vars["age"]
db.Create(&Student{Name: rName, Age: rAge})
fmt.Fprintf(w, "New Record Added")
}
func updateStudent(w http.ResponseWriter, r *http.Request) {
db, err := gorm.Open(sqlite.Open("testgo.db"), &gorm.Config{})
if err != nil {
fmt.Println(err.Error())
panic("failed to connect database")
}
vars := mux.Vars(r)
rName := vars["name"]
rAge := vars["age"]
var student Student
db.Where("name = ?", rName).Find(&student)
db.Model(&student).Update("age", rAge)
fmt.Fprintf(w, "Updated Record")
}
func deleteStudent(w http.ResponseWriter, r *http.Request) {
db, err := gorm.Open(sqlite.Open("testgo.db"), &gorm.Config{})
if err != nil {
fmt.Println(err.Error())
panic("failed to connect database")
}
vars := mux.Vars(r)
rName := vars["name"]
var student Student
db.Where("name = ?", rName).Find(&student)
db.Delete(&student)
fmt.Fprintf(w, "Deleted Record")
}
func setupDB() {
db, err := gorm.Open(sqlite.Open("testgo.db"), &gorm.Config{})
if err != nil {
fmt.Println(err.Error())
panic("failed to connect database")
}
db.AutoMigrate(&Student{})
}
func spinOff() {
router := mux.NewRouter()
router.HandleFunc("/students", getAllStudents).Methods("GET")
router.HandleFunc("/student/{name}/{age}", addNewStudent).Methods("POST")
router.HandleFunc("/student/{name}/{age}", updateStudent).Methods("PUT")
router.HandleFunc("/student/{name}", deleteStudent).Methods("DELETE")
log.Fatal(http.ListenAndServe(":8083", router))
}
func main() {
fmt.Println("Starting skillbox server")
setupDB()
spinOff()
}