Import sources from Kontor

pkg/admin/views.go

@@ -0,0 +1,128 @@
+package admin
+
+import (
+	"gitlab.ingenieurbuero-peetz.de/tpeetz/kalorienmanager.git/pkg/auth"
+	"gitlab.ingenieurbuero-peetz.de/tpeetz/kalorienmanager.git/pkg/dao"
+	"gitlab.ingenieurbuero-peetz.de/tpeetz/kalorienmanager.git/pkg/util"
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+)
+
+// ShowLoginPage renders login page.
+func ShowLoginPage(c *gin.Context) {
+	// Call the render function with the name of the template to render
+	util.Render(c, gin.H{"title": "Login"}, "login.html")
+}
+
+// PerformLogin reads data from login form and validates input.
+func PerformLogin(c *gin.Context) {
+	// Obtain the POSTed username and password values
+	username := c.PostForm("username")
+	password := c.PostForm("password")
+
+	var userDao = UserDAO{Db: dao.KalorienmanagerDb}
+
+	// Check if the username/password combination is valid
+	if userDao.IsUserValid(username, password) {
+		sessionInterface, _ := c.Get("session")
+		sessionID := sessionInterface.(string)
+		user, _ := userDao.FindByUsername(username)
+		sessionDao := auth.SessionDAO{Db: dao.KalorienmanagerDb}
+		session, _ := sessionDao.FindByID(sessionID)
+		session.Username = username
+		session.IsAdmin = user.IsAdmin
+		sessionDao.Update(session)
+		util.Render(c, gin.H{"title": "Successful Login", "InfoMessage": "Login successfull"}, "kontor/index.html")
+	} else {
+		// If the username/password combination is invalid,
+		// show the error message on the login page
+		c.HTML(http.StatusBadRequest, "login.html", gin.H{
+			"ErrorTitle":   "Login Failed",
+			"ErrorMessage": "Invalid credentials provided"})
+	}
+}
+
+// Logout invalidates session.
+func Logout(c *gin.Context) {
+	sessionInterface, _ := c.Get("session")
+	sessionID := sessionInterface.(string)
+	c.SetCookie("session", sessionID, -1, "", "", false, true)
+
+	// Redirect to the home page
+	c.Redirect(http.StatusTemporaryRedirect, "/")
+}
+
+func showAdminIndex(c *gin.Context) {
+	// Call the render function with the name of the template to render
+	util.Render(c, gin.H{"title": "Kontor", "payload": nil}, "kontor/admin.html")
+}
+
+func showUserIndex(c *gin.Context) {
+	var dao = UserDAO{Db: dao.KalorienmanagerDb}
+	if users, err := dao.FindAll(); err == nil && users != nil {
+		util.Render(c, gin.H{"title": "Kontor User Administration", "payload": users}, "kontor/users.html")
+	} else {
+		util.Render(c, gin.H{"title": "Kontor User Administration", "payload": users, "ErrorMessage": err}, "kontor/users.html")
+	}
+}
+
+func showUserDetails(c *gin.Context) {
+	userID := c.Param("userid")
+	var userDao = UserDAO{Db: dao.KalorienmanagerDb}
+	if user, err := userDao.FindByID(userID); err == nil && &user != nil {
+		util.Render(c, gin.H{"title": "Kontor User Administration", "payload": user, "action": util.SaveAction}, "kontor/user-detail.html")
+	} else {
+		c.AbortWithError(http.StatusNotFound, err)
+	}
+}
+
+func showUserCreation(c *gin.Context) {
+	var user = User{}
+	util.Render(c, gin.H{"title": "Kontor User Administration", "payload": user, "action": util.AddAction}, "kontor/user-detail.html")
+}
+
+func validateUserCreation(c *gin.Context) {
+	// Obtain the POSTed username and password values
+	username := c.PostForm("username")
+	firstname := c.PostForm("firstname")
+	lastname := c.PostForm("lastname")
+	password := c.PostForm("password")
+	adminFormVar := c.PostForm("admin")
+	action := c.PostForm("action")
+	userid := c.PostForm("userid")
+	isAdmin, _ := strconv.ParseBool(adminFormVar)
+
+	var err error
+	var dao = UserDAO{Db: dao.KalorienmanagerDb}
+	var user = User{}
+
+	switch action {
+	case util.AddAction:
+		user.Username = username
+		user.Firstname = firstname
+		user.Lastname = lastname
+		user.IsAdmin = isAdmin
+		user.Password, _ = HashPassword(password)
+		_, err = dao.Upsert(user)
+	case util.SaveAction:
+		user, _ = dao.FindByID(userid)
+		user.Username = username
+		user.Firstname = firstname
+		user.Lastname = lastname
+		user.IsAdmin = isAdmin
+		user.Password, _ = HashPassword(password)
+		err = dao.Update(user)
+	case util.DeleteAction:
+		user, _ = dao.FindByID(userid)
+		err = dao.Delete(user)
+	}
+	if err == nil {
+		c.Redirect(http.StatusTemporaryRedirect, "/admin/user")
+	} else {
+		c.HTML(http.StatusBadRequest, "kontor/create-user.html", gin.H{
+			"ErrorTitle":   "User Creation Failed",
+			"ErrorMessage": err.Error()})
+	}
+}