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TaskFlow
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added session handling middleware

This commit is contained in:
Suraj Patil 2016-05-11 22:49:32 +05:30
parent dacbef54e4
commit 9c9c52a025
6 changed files with 351 additions and 419 deletions
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42
main.go
View File

@ -15,29 +15,27 @@ import (
func main() {
values := config.ReadConfig("config.json")
views.PopulateTemplates()
http.HandleFunc("/", views.ShowAllTasksFunc)
http.HandleFunc("/", views.RequiresLogin(views.ShowAllTasksFunc))
http.HandleFunc("/login/", views.LoginFunc)
http.HandleFunc("/logout/", views.LogoutFunc)
http.HandleFunc("/add-category/", views.AddCategoryFunc)
http.HandleFunc("/add-comment/", views.AddCommentFunc)
http.HandleFunc("/del-comment/", views.DeleteCommentFunc)
http.HandleFunc("/del-category/", views.DeleteCategoryFunc)
http.HandleFunc("/upd-category/", views.UpdateCategoryFunc)
http.HandleFunc("/category/", views.ShowCategoryFunc)
http.HandleFunc("/complete/", views.CompleteTaskFunc)
//delete permanently deletes from db
http.HandleFunc("/delete/", views.DeleteTaskFunc)
http.HandleFunc("/files/", views.UploadedFileHandler)
http.HandleFunc("/deleted/", views.ShowTrashTaskFunc)
//trash moves to recycle bin
http.HandleFunc("/trash/", views.TrashTaskFunc)
http.HandleFunc("/edit/", views.EditTaskFunc)
http.HandleFunc("/completed/", views.ShowCompleteTasksFunc)
http.HandleFunc("/restore/", views.RestoreTaskFunc)
http.HandleFunc("/incomplete/", views.RestoreFromCompleteFunc)
http.HandleFunc("/add/", views.AddTaskFunc)
http.HandleFunc("/update/", views.UpdateTaskFunc)
http.HandleFunc("/search/", views.SearchTaskFunc)
http.HandleFunc("/logout/", views.RequiresLogin(views.LogoutFunc))
http.HandleFunc("/add-category/", views.RequiresLogin(views.AddCategoryFunc))
http.HandleFunc("/add-comment/", views.RequiresLogin(views.AddCommentFunc))
http.HandleFunc("/del-comment/", views.RequiresLogin(views.DeleteCommentFunc))
http.HandleFunc("/del-category/", views.RequiresLogin(views.DeleteCategoryFunc))
http.HandleFunc("/upd-category/", views.RequiresLogin(views.UpdateCategoryFunc))
http.HandleFunc("/category/", views.RequiresLogin(views.ShowCategoryFunc))
http.HandleFunc("/complete/", views.RequiresLogin(views.CompleteTaskFunc))
http.HandleFunc("/delete/", views.RequiresLogin(views.DeleteTaskFunc))
http.HandleFunc("/files/", views.RequiresLogin(views.UploadedFileHandler))
http.HandleFunc("/deleted/", views.RequiresLogin(views.ShowTrashTaskFunc))
http.HandleFunc("/trash/", views.RequiresLogin(views.TrashTaskFunc))
http.HandleFunc("/edit/", views.RequiresLogin(views.EditTaskFunc))
http.HandleFunc("/completed/", views.RequiresLogin(views.ShowCompleteTasksFunc))
http.HandleFunc("/restore/", views.RequiresLogin(views.RestoreTaskFunc))
http.HandleFunc("/incomplete/", views.RequiresLogin(views.RestoreFromCompleteFunc))
http.HandleFunc("/add/", views.RequiresLogin(views.AddTaskFunc))
http.HandleFunc("/update/", views.RequiresLogin(views.UpdateTaskFunc))
http.HandleFunc("/search/", views.RequiresLogin(views.SearchTaskFunc))
//http.HandleFunc("/static/", ServeStaticFunc)
http.Handle("/static/", http.FileServer(http.Dir("public")))
log.Println("running server on ", values.ServerPort)

20
views/addViews.go
View File

@ -16,13 +16,11 @@ import (
"time"
"github.com/thewhitetulip/Tasks/db"
"github.com/thewhitetulip/Tasks/sessions"
"github.com/thewhitetulip/Tasks/utils"
)
// UploadedFileHandler is used to handle the uploaded file related requests
func UploadedFileHandler(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) {
if r.Method == "GET" {
token := r.URL.Path[len("/files/"):]
@ -33,11 +31,9 @@ func UploadedFileHandler(w http.ResponseWriter, r *http.Request) {
//}
}
}
}
//AddTaskFunc is used to handle the addition of new task, "/add" URL
func AddTaskFunc(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) {
if r.Method == "POST" { // Will work only for POST requests, will redirect to home
var filelink string // will store the html when we have files to be uploaded, appened to the note content
r.ParseForm()
@ -124,14 +120,11 @@ func AddTaskFunc(w http.ResponseWriter, r *http.Request) {
}
}
} else {
http.Redirect(w, r, "/login/", 302)
}
}
//AddCategoryFunc used to add new categories to the database
func AddCategoryFunc(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) {
r.ParseForm()
category := r.Form.Get("category")
if strings.Trim(category, " ") != "" {
@ -144,14 +137,10 @@ func AddCategoryFunc(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/", http.StatusFound)
}
}
} else {
http.Redirect(w, r, "/login/", 302)
}
}
//EditTaskFunc is used to edit tasks, handles "/edit/" URL
func EditTaskFunc(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) {
if r.Method == "GET" {
id, err := strconv.Atoi(r.URL.Path[len("/edit/"):])
if err != nil {
@ -170,14 +159,10 @@ func EditTaskFunc(w http.ResponseWriter, r *http.Request) {
editTemplate.Execute(w, task)
}
}
} else {
http.Redirect(w, r, "/login/", http.StatusFound)
}
}
//AddCommentFunc will be used
func AddCommentFunc(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) {
if r.Method == "POST" {
r.ParseForm()
text := r.Form.Get("commentText")
@ -202,7 +187,4 @@ func AddCommentFunc(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/", http.StatusFound)
}
} else {
http.Redirect(w, r, "/login", 302)
}
}

26
views/deleteViews.go
View File

@ -10,7 +10,6 @@ import (
"strconv"
"github.com/thewhitetulip/Tasks/db"
"github.com/thewhitetulip/Tasks/sessions"
"github.com/thewhitetulip/Tasks/utils"
)
@ -19,8 +18,6 @@ func TrashTaskFunc(w http.ResponseWriter, r *http.Request) {
//for best UX we want the user to be returned to the page making
//the delete transaction, we use the r.Referer() function to get the link
redirectURL := utils.GetRedirectUrl(r.Referer())
if sessions.IsLoggedIn(r) {
if r.Method == "GET" {
id, err := strconv.Atoi(r.URL.Path[len("/trash/"):])
if err != nil {
@ -37,14 +34,10 @@ func TrashTaskFunc(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, redirectURL, http.StatusFound)
}
}
} else {
http.Redirect(w, r, "/login/", 302)
}
}
//RestoreTaskFunc is used to restore task from trash, handles "/restore/" URL
func RestoreTaskFunc(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) {
if r.Method == "GET" {
id, err := strconv.Atoi(r.URL.Path[len("/restore/"):])
if err != nil {
@ -60,14 +53,10 @@ func RestoreTaskFunc(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/deleted/", http.StatusFound)
}
}
} else {
http.Redirect(w, r, "/login/", 302)
}
}
//DeleteTaskFunc is used to delete a task, trash = move to recycle bin, delete = permanent delete
func DeleteTaskFunc(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) {
if r.Method == "GET" {
id := r.URL.Path[len("/delete/"):]
if id == "all" {
@ -93,14 +82,10 @@ func DeleteTaskFunc(w http.ResponseWriter, r *http.Request) {
}
}
}
} else {
http.Redirect(w, r, "/login/", 302)
}
}
//RestoreFromCompleteFunc restores the task from complete to pending
func RestoreFromCompleteFunc(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) {
if r.Method == "GET" {
id, err := strconv.Atoi(r.URL.Path[len("/incomplete/"):])
if err != nil {
@ -116,14 +101,10 @@ func RestoreFromCompleteFunc(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/completed", http.StatusFound)
}
}
} else {
http.Redirect(w, r, "/login/", 302)
}
}
//DeleteCategoryFunc will delete any category
func DeleteCategoryFunc(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) {
if r.Method == "GET" {
categoryName := r.URL.Path[len("/del-category/"):]
err := db.DeleteCategoryByName(categoryName)
@ -135,14 +116,10 @@ func DeleteCategoryFunc(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/", http.StatusFound)
}
} else {
http.Redirect(w, r, "/login/", 302)
}
}
//DeleteCommentFunc will delete any category
func DeleteCommentFunc(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) {
if r.Method == "GET" {
id := r.URL.Path[len("/del-comment/"):]
commentID, err := strconv.Atoi(id)
@ -161,7 +138,4 @@ func DeleteCommentFunc(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/", http.StatusFound)
}
} else {
http.Redirect(w, r, "/login/", 302)
}
}

17
views/otherViews.go
View File

@ -14,7 +14,6 @@ import (
"text/template"
"github.com/thewhitetulip/Tasks/db"
"github.com/thewhitetulip/Tasks/sessions"
"github.com/thewhitetulip/Tasks/utils"
)
@ -56,7 +55,6 @@ func PopulateTemplates() {
//CompleteTaskFunc is used to show the complete tasks, handles "/completed/" url
func CompleteTaskFunc(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) {
if r.Method == "GET" {
redirectURL := utils.GetRedirectUrl(r.Referer())
id, err := strconv.Atoi(r.URL.Path[len("/complete/"):])
@ -72,14 +70,10 @@ func CompleteTaskFunc(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, redirectURL, http.StatusFound)
}
}
} else {
http.Redirect(w, r, "/login/", 302)
}
}
//SearchTaskFunc is used to handle the /search/ url, handles the search function
func SearchTaskFunc(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) {
if r.Method == "POST" {
r.ParseForm()
query := r.Form.Get("query")
@ -91,14 +85,10 @@ func SearchTaskFunc(w http.ResponseWriter, r *http.Request) {
searchTemplate.Execute(w, context)
}
} else {
http.Redirect(w, r, "/login/", 302)
}
}
//UpdateTaskFunc is used to update a task, handes "/update/" URL
func UpdateTaskFunc(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) {
if r.Method == "POST" {
r.ParseForm()
id, err := strconv.Atoi(r.Form.Get("id"))
@ -121,14 +111,10 @@ func UpdateTaskFunc(w http.ResponseWriter, r *http.Request) {
}
http.Redirect(w, r, "/", http.StatusFound)
}
} else {
http.Redirect(w, r, "/login/", 302)
}
}
//UpdateCategoryFunc is used to update a task, handes "/upd-category/" URL
func UpdateCategoryFunc(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) {
if r.Method == "POST" {
var redirectURL string
r.ParseForm()
@ -147,7 +133,4 @@ func UpdateCategoryFunc(w http.ResponseWriter, r *http.Request) {
log.Println("redirecting to " + redirectURL)
http.Redirect(w, r, redirectURL, http.StatusFound)
}
} else {
http.Redirect(w, r, "/login/", 302)
}
}

11
views/sessionViews.go
View File

@ -6,6 +6,17 @@ import (
"github.com/thewhitetulip/Tasks/sessions"
)
//RequiresLogin is a middleware which will be used for each httpHandler to check if there is any active session
func RequiresLogin(handler func(w http.ResponseWriter, r *http.Request)) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
if !sessions.IsLoggedIn(r) {
http.Redirect(w, r, "/login/", 302)
return
}
handler(w, r)
}
}
//LogoutFunc Implements the logout functionality. WIll delete the session information from the cookie store
func LogoutFunc(w http.ResponseWriter, r *http.Request) {
session, err := sessions.Store.Get(r, "session")

16
views/views.go
View File

@ -25,7 +25,6 @@ var err error
//ShowAllTasksFunc is used to handle the "/" URL which is the default ons
//TODO add http404 error
func ShowAllTasksFunc(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) == true {
if r.Method == "GET" {
context, err := db.GetTasks("pending", "")
categories := db.GetCategories()
@ -44,14 +43,10 @@ func ShowAllTasksFunc(w http.ResponseWriter, r *http.Request) {
homeTemplate.Execute(w, context)
}
}
} else {
http.Redirect(w, r, "/login/", 302)
}
}
//ShowTrashTaskFunc is used to handle the "/trash" URL which is used to show the deleted tasks
func ShowTrashTaskFunc(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) {
if r.Method == "GET" {
context, err := db.GetTasks("deleted", "")
categories := db.GetCategories()
@ -65,14 +60,10 @@ func ShowTrashTaskFunc(w http.ResponseWriter, r *http.Request) {
}
deletedTemplate.Execute(w, context)
}
} else {
http.Redirect(w, r, "/login/", 302)
}
}
//ShowCompleteTasksFunc is used to populate the "/completed/" URL
func ShowCompleteTasksFunc(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) {
if r.Method == "GET" {
context, err := db.GetTasks("completed", "")
categories := db.GetCategories()
@ -82,15 +73,11 @@ func ShowCompleteTasksFunc(w http.ResponseWriter, r *http.Request) {
}
completedTemplate.Execute(w, context)
}
} else {
http.Redirect(w, r, "/login/", 302)
}
}
//ShowCategoryFunc will populate the /category/<id> URL which shows all the tasks related
// to that particular category
func ShowCategoryFunc(w http.ResponseWriter, r *http.Request) {
if sessions.IsLoggedIn(r) {
if r.Method == "GET" && sessions.IsLoggedIn(r) {
category := r.URL.Path[len("/category/"):]
context, err := db.GetTasks("", category)
@ -110,7 +97,4 @@ func ShowCategoryFunc(w http.ResponseWriter, r *http.Request) {
http.SetCookie(w, &cookie)
homeTemplate.Execute(w, context)
}
} else {
http.Redirect(w, r, "/login/", 302)
}
}