From f73f862bcf48165b9486341569906d707247288f Mon Sep 17 00:00:00 2001
From: Florian Hoss <mail@florianhoss.de>
Date: Wed, 6 Apr 2022 20:59:10 +0200
Subject: [PATCH] task can be added

---
 Lab01/app/database/database.go | 11 ++++++++++
 Lab01/app/database/types.go    |  1 +
 Lab01/app/templates/tasks.tmpl | 40 ++++++++++++++++++++++++----------
 Lab01/app/webpage/webpage.go   | 27 +++++++++++++++++++----
 4 files changed, 64 insertions(+), 15 deletions(-)

diff --git a/Lab01/app/database/database.go b/Lab01/app/database/database.go
index 6eb5fa1..a9eb9ed 100644
--- a/Lab01/app/database/database.go
+++ b/Lab01/app/database/database.go
@@ -34,6 +34,17 @@ func (db *Database) GetAllTasks() []Task {
 	return tasks
 }
 
+func (db *Database) CreateTask(username string, description string) Task {
+	task := Task{
+		ID:          0,
+		Username:    username,
+		Description: description,
+		Done:        false,
+	}
+	db.ORM.Create(&task)
+	return task
+}
+
 func (db *Database) CreateUser(username string, password string) error {
 	user := User{Username: username, Password: password}
 	result := db.ORM.Create(&user)
diff --git a/Lab01/app/database/types.go b/Lab01/app/database/types.go
index 081dbda..515266e 100644
--- a/Lab01/app/database/types.go
+++ b/Lab01/app/database/types.go
@@ -17,6 +17,7 @@ type User struct {
 
 type Task struct {
 	ID          int `gorm:"primaryKey"`
+	Username    string
 	Description string
 	Done        bool
 }
diff --git a/Lab01/app/templates/tasks.tmpl b/Lab01/app/templates/tasks.tmpl
index 66c249c..89eb3df 100644
--- a/Lab01/app/templates/tasks.tmpl
+++ b/Lab01/app/templates/tasks.tmpl
@@ -30,9 +30,37 @@
 </div>
 
 {{template "scripts" .}}
+{{template "formScripts" .}}
 <script>
     userLoggedIn().then((loggedIn) => !loggedIn ? redirect("/view/login") : getAllTasks());
     const tasksEl = document.getElementById("tasks");
+    const descriptionInput = document.getElementById("description");
+
+    function submitForm(formData) {
+        axios.post("/tasks", formData, axiosConfig)
+            .then((response) => {
+                addTaskToTasks(response.data.task);
+                form.classList.remove('was-validated');
+                descriptionInput.value = "";
+            })
+            .catch((err) => {
+                showErrorToast(err.response.data.message);
+            });
+    }
+
+    function addTaskToTasks(task) {
+        const newTask = document.createElement('div');
+        newTask.classList.add('row', 'g-0', 'align-items-center', 'mb-1');
+        newTask.innerHTML = `
+                        <div class="col-1 text-center">${task.ID}</div>
+                        <div class="col-8">${task.Description}</div>
+                        <div class="col-2 form-check form-switch d-flex justify-content-center">
+                          <input class="text-center form-check-input" type="checkbox" ${task.Done && "checked"} role="switch" id="flexSwitchCheckDefault">
+                        </div>
+                        <button class="col-1 btn btn-danger"><i class="bi bi-trash"></i></button>
+                    `;
+        tasksEl.appendChild(newTask);
+    }
 
     function getAllTasks() {
         axios.get("/tasks", axiosConfig).then((response) => {
@@ -49,17 +77,7 @@
             const tasks = response.data.tasks;
             [...tasks]
                 .forEach((task) => {
-                    const newTask = document.createElement('div');
-                    newTask.classList.add('row', 'g-0', 'align-items-center', 'mb-1');
-                    newTask.innerHTML = `
-                        <div class="col-1 text-center">${task.ID}</div>
-                        <div class="col-8">${task.Description}</div>
-                        <div class="col-2 form-check form-switch d-flex justify-content-center">
-                          <input class="text-center form-check-input" type="checkbox" ${task.Done && "checked"} role="switch" id="flexSwitchCheckDefault">
-                        </div>
-                        <button class="col-1 btn btn-danger"><i class="bi bi-trash"></i></button>
-                    `;
-                    tasksEl.appendChild(newTask);
+                    addTaskToTasks(task);
                 });
         });
     }
diff --git a/Lab01/app/webpage/webpage.go b/Lab01/app/webpage/webpage.go
index 747b5ab..7a39ab2 100644
--- a/Lab01/app/webpage/webpage.go
+++ b/Lab01/app/webpage/webpage.go
@@ -11,6 +11,16 @@ func (wp *Webpage) redirectHome(c *gin.Context) {
 	c.Redirect(http.StatusTemporaryRedirect, "/view/tasks")
 }
 
+func (wp *Webpage) isLoggedInMiddleware(c *gin.Context) bool {
+	username := c.Request.Header.Get("username")
+	if wp.Database.UserIsLoggedIn(username) {
+		return true
+	} else {
+		c.JSON(401, gin.H{"message": "unauthorized"})
+		return false
+	}
+}
+
 func (wp *Webpage) defineRoutes() {
 
 	view := wp.Router.Group("/view")
@@ -28,12 +38,21 @@ func (wp *Webpage) defineRoutes() {
 	tasks := wp.Router.Group("/tasks")
 	{
 		tasks.GET("", func(c *gin.Context) {
-			username := c.Request.Header.Get("username")
-			if wp.Database.UserIsLoggedIn(username) {
+			if wp.isLoggedInMiddleware(c) {
 				tasks := wp.Database.GetAllTasks()
 				c.JSON(200, gin.H{"tasks": tasks})
-			} else {
-				c.JSON(401, gin.H{"message": "unauthorized"})
+			}
+		})
+		tasks.POST("", func(c *gin.Context) {
+			if wp.isLoggedInMiddleware(c) {
+				username := c.Request.Header.Get("username")
+				description, existing := c.GetPostForm("description")
+				if existing == false || description == "" {
+					c.JSON(400, gin.H{"message": "bad post form"})
+					return
+				}
+				task := wp.Database.CreateTask(username, description)
+				c.JSON(200, gin.H{"task": task})
 			}
 		})
 	}