Routing, templating, and database handling

2022-10-20 11:59:33 -05:00 · 2022-10-20 11:59:33 -05:00 · e73c006550
commit e73c006550
parent 38352de02f
10 changed files with 204 additions and 0 deletions
--- a/controllers/getController.go
+++ b/controllers/getController.go
@ -0,0 +1,28 @@
+package controllers
+
+import (
+	"GoWeb/app"
+	"GoWeb/templating"
+	"net/http"
+)
+
+// GetController is a wrapper struct for the App struct
+type GetController struct {
+	App *app.App
+}
+
+func (getController *GetController) ShowHome(w http.ResponseWriter, r *http.Request) {
+	type dataStruct struct {
+		Test string
+	}
+
+	data := dataStruct{
+		Test: "Hello World!",
+	}
+
+	templating.RenderTemplate(getController.App, w, "templates/pages/home.html", data)
+}
+
+func (getController *GetController) ShowRegister(w http.ResponseWriter, r *http.Request) {
+	templating.RenderTemplate(getController.App, w, "templates/pages/register.html", nil)
+}
--- a/controllers/postController.go
+++ b/controllers/postController.go
@ -0,0 +1,42 @@
+package controllers
+
+import (
+	"GoWeb/app"
+	"GoWeb/database/models"
+	"log"
+	"net/http"
+	"time"
+)
+
+// PostController is a wrapper struct for the App struct
+type PostController struct {
+	App *app.App
+}
+
+func (postController *PostController) Register(w http.ResponseWriter, r *http.Request) {
+	username := r.FormValue("username")
+	password := r.FormValue("password")
+	createdAt := time.Now()
+	updatedAt := time.Now()
+
+	if username == "" || password == "" {
+		log.Println("Tried to create user with empty username or password")
+		http.Redirect(w, r, "/register", http.StatusFound)
+	}
+
+	models.CreateUser(postController.App, username, password, createdAt, updatedAt)
+
+	http.Redirect(w, r, "/login", http.StatusFound)
+}
+
+func (postController *PostController) Login(w http.ResponseWriter, r *http.Request) {
+	username := r.FormValue("username")
+	password := r.FormValue("password")
+
+	if username == "" || password == "" {
+		log.Println("Tried to create user with empty username or password")
+		http.Redirect(w, r, "/register", http.StatusFound)
+	}
+
+	http.Redirect(w, r, "/login", http.StatusFound)
+}
--- a/database/databaseConnection.go
+++ b/database/databaseConnection.go
@ -0,0 +1,33 @@
+package database
+
+import (
+	"GoWeb/app"
+	"database/sql"
+	"fmt"
+	_ "github.com/lib/pq"
+	"log"
+)
+
+// ConnectDB returns a new database connection
+func ConnectDB(app *app.App) *sql.DB {
+	// Set connection parameters from config
+	postgresConfig := fmt.Sprintf("host=%s port=%s user=%s "+
+		"password=%s dbname=%s sslmode=disable",
+		app.Config.Db.Ip, app.Config.Db.Port, app.Config.Db.User, app.Config.Db.Password, app.Config.Db.Name)
+
+	// Create connection
+	db, err := sql.Open("postgres", postgresConfig)
+	if err != nil {
+		panic(err)
+	}
+
+	// Test connection
+	err = db.Ping()
+	if err != nil {
+		panic(err)
+	}
+
+	log.Println("Connected to database successfully on " + app.Config.Db.Ip + ":" + app.Config.Db.Port + " using database " + app.Config.Db.Name)
+
+	return db
+}
--- a/routes/getRoutes.go
+++ b/routes/getRoutes.go
@ -0,0 +1,24 @@
+package routes
+
+import (
+	"GoWeb/app"
+	"GoWeb/controllers"
+	"log"
+	"net/http"
+)
+
+// GetRoutes defines all project get routes
+func GetRoutes(app *app.App) {
+	// Get controller struct initialize
+	getController := controllers.GetController{
+		App: app,
+	}
+
+	// Serve static files
+	http.Handle("/file/", http.FileServer(http.Dir("./static")))
+	log.Println("Serving static files from: ./static")
+
+	// Pages
+	http.HandleFunc("/", getController.ShowHome)
+	http.HandleFunc("/register", getController.ShowRegister)
+}
--- a/routes/postRoutes.go
+++ b/routes/postRoutes.go
@ -0,0 +1,17 @@
+package routes
+
+import (
+	"GoWeb/app"
+	"GoWeb/controllers"
+	"net/http"
+)
+
+func PostRoutes(app *app.App) {
+	// Get controller struct initialize
+	postController := controllers.PostController{
+		App: app,
+	}
+
+	http.HandleFunc("/register-handle", postController.Register)
+	http.HandleFunc("/login-handle", postController.Login)
+}
--- a/templates/base.html
+++ b/templates/base.html
@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>SiteName - {{ template "pageTitle" }}</title>
+</head>
+<body>
+{{ template "content" . }}
+</body>
+<footer>
+    <p>SiteName - Powered by Go!</p>
+</footer>
+</html>
--- a/templates/pages/home.html
+++ b/templates/pages/home.html
@ -0,0 +1,5 @@
+{{ define "pageTitle" }}Home{{ end }}
+
+{{ define "content" }}
+{{ .Test }}
+{{ end }}
--- a/templates/pages/login.html
+++ b/templates/pages/login.html
@ -0,0 +1,11 @@
+{{ define "pageTitle" }}Login{{ end }}
+
+{{ define "content" }}
+<form action="/login-handle" method="post">
+    <label for="username">Username:</label><br>
+    <input type="text" id="username" name="username" value="John"><br><br>
+    <label for="password">Password:</label><br>
+    <input type="password" id="password" name="password"><br><br>
+    <input type="submit" value="Submit">
+</form>
+{{ end }}
--- a/templates/pages/register.html
+++ b/templates/pages/register.html
@ -0,0 +1,11 @@
+{{ define "pageTitle" }}Register{{ end }}
+
+{{ define "content" }}
+<form action="/register-handle" method="post">
+    <label for="username">Username:</label><br>
+    <input type="text" id="username" name="username" value="John"><br><br>
+    <label for="password">Password:</label><br>
+    <input type="password" id="password" name="password"><br><br>
+    <input type="submit" value="Submit">
+</form>
+{{ end }}
--- a/templating/templateHelper.go
+++ b/templating/templateHelper.go
@ -0,0 +1,20 @@
+package templating
+
+import (
+	"GoWeb/app"
+	"html/template"
+	"log"
+	"net/http"
+)
+
+func RenderTemplate(app *app.App, w http.ResponseWriter, contentPath string, data any) {
+	templatePath := app.Config.Template.BaseName
+
+	t, _ := template.ParseFiles(templatePath, contentPath)
+	err := t.Execute(w, data)
+	if err != nil {
+		log.Println(err)
+		http.Error(w, err.Error(), 500)
+		return
+	}
+}