195 lines
4.1 KiB
Go
195 lines
4.1 KiB
Go
package main
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import (
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"fmt"
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"log"
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"net/http"
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"os"
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"time"
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"encoding/json"
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"strings"
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"github.com/joho/godotenv"
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"context"
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_ "github.com/lib/pq"
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"github.com/uptrace/bun"
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)
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func handler(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintf(w, "<html><body><h1>Hello, World!</h1></body></html>")
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}
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type ErrorResponse struct {
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ErrorCode string `json:"errorCode"`
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Message string `json:"message"`
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}
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var DB *bun.DB
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type DSN struct {
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Hostname string
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Port string
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DBName string
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User string
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Password string
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}
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func (dsn *DSN) ToString() string {
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return fmt.Sprintf("postgres://%s:%s@%s:%s/%s?sslmode=disable", dsn.User, dsn.Password, dsn.Hostname, dsn.Port, dsn.DBName)
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}
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func handlerCreateUser(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPost {
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusCreated)
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w.Write([]byte(`{"message": "Resource created successfully"}`))
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}
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user := &User{
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FirstName: "John",
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LastName: "Doe",
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Email: "john.doe@example.com",
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Phone: "1234567890",
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Password: "1234",
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}
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_, err := DB.NewInsert().Model(user).Exec(context.Background())
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if err != nil {
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log.Fatal(err)
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}
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fmt.Println("User inserted successfully")
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}
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func handlerCreateBlog(w http.ResponseWriter, r *http.Request) {
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emptyObject := make(map[string]interface{})
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emptyJSON, json_err := json.Marshal(emptyObject)
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if json_err != nil {
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fmt.Println("Couldn't create the json object")
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w.Write(emptyJSON)
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}
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if r.Method != http.MethodPost {
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return string(emptyJSON)
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}
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err := r.ParseForm()
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if err != nil {
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return string(emptyJSON)
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}
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user := &Blog{
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BaseModel: bun.BaseModel{},
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BlogID: [16]byte{},
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Slug: "",
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Content: "",
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Label: "",
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AuthorID: [16]byte{},
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Published: time.Time{},
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Summary: "",
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Image: "",
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Href: "",
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Author: &User{},
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}
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_, err_db := DB.NewInsert().Model(user).Exec(context.Background())
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if err_db != nil {
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log.Fatal(err)
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}
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fmt.Println("User inserted successfully")
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return string(emptyJSON)
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}
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func handlerGetBlog(w http.ResponseWriter, r *http.Request) (string) {
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log.Println("ok")
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emptyObject := make(map[string]interface{})
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emptyJSON, json_err := json.Marshal(emptyObject)
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if json_err != nil {
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fmt.Println("Couldn't create the json object")
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return string(emptyJSON)
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}
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if r.Method != http.MethodGet {
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http.Error(w, "Wrong method", http.StatusMethodNotAllowed)
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return string(emptyJSON)
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}
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if !strings.HasPrefix(r.URL.Path, "/blog/") {
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http.Redirect(w, r, "/blog", http.StatusFound)
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return string(emptyJSON)
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}
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blog_uuid := strings.TrimPrefix(r.URL.Path, "/blog/")
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if blog_uuid == "" {
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http.Error(w, "Slug is required", http.StatusBadRequest)
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return string(emptyJSON)
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}
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blog := &Blog{
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BaseModel: bun.BaseModel{},
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BlogID: [16]byte{},
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Slug: "",
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Content: "",
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Label: "",
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AuthorID: [16]byte{},
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Published: time.Time{},
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Summary: "",
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Image: "",
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Href: "",
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Author: &User{},
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}
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ctx := context.Background()
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err_db := DB.NewSelect().Model(blog).Where("uuid = ", blog_uuid).Scan(ctx)
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if err_db != nil {
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log.Fatal(err_db)
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http.Error(w, "Can't use select", http.StatusNotFound)
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return string(emptyJSON)
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}
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fmt.Println("Blog inserted successfully")
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return string(emptyJSON)
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}
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func main() {
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err := godotenv.Load()
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if err != nil {
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log.Fatalf("Error loading .env file: %v", err)
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}
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environ := os.Getenv("ENVIRONMENT")
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port := os.Getenv("BACKEND_DOCKER_PORT")
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if environ == "DEV" {
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port = os.Getenv("BACKEND_PORT")
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}
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dsn := DSN{
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Hostname: "localhost",
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Port: os.Getenv("POSTGRES_PORT"),
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DBName: os.Getenv("POSTGRES_DB"),
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User: os.Getenv("POSTGRES_USER"),
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Password: os.Getenv("POSTGRES_PASSWORD"),
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}
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DB, err = InitDatabase(dsn)
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if err != nil {
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log.Fatal(err)
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}
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http.HandleFunc("/", handler)
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http.HandleFunc("/user/new", handlerCreateUser)
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http.HandleFunc("/users/login", HandleLogin)
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http.HandleFunc("/blog/", handlerGetBlog)
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fmt.Printf("Serving on port %s\n", port)
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err = http.ListenAndServe(fmt.Sprintf(":%s", port), nil)
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if err != nil {
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fmt.Printf("Error starting server: %s\n", err)
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}
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}
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