Initial version of native session management

2025-01-14 20:53:49 +01:00
parent 4da9792b0f
commit d953b4135c
15 changed files with 397 additions and 479 deletions
--- a/cmd/frontend/homepage.go
+++ b/cmd/frontend/homepage.go
@@ -0,0 +1,101 @@
+package frontend
+
+import (
+	"html/template"
+	"log"
+	"net/http"
+	"time"
+
+	b "streifling.com/jason/cpolis/cmd/backend"
+)
+
+func HomePage(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		numRows, err := db.CountEntries("users")
+		if err != nil {
+			log.Fatalln(err)
+		}
+
+		data := new(struct {
+			*UserHTMLData
+			Version string
+		})
+		data.UserHTMLData = &UserHTMLData{User: new(b.User)}
+		data.Version = c.Version
+
+		files := make([]string, 2)
+		files[0] = c.WebDir + "/templates/index.html"
+		if numRows == 0 {
+			data.Role = b.NonExistent
+			data.Title = "Erster Benutzer (Administrator)"
+			data.ButtonText = "Anlegen"
+			data.URL = "/user/add-first"
+
+			files[1] = c.WebDir + "/templates/edit-user.html"
+			tmpl, err := template.ParseFiles(files...)
+			if err = template.Must(tmpl, err).Execute(w, data); err != nil {
+				log.Println(err)
+				http.Error(w, err.Error(), http.StatusInternalServerError)
+				return
+			}
+		} else {
+			cookie, err := r.Cookie("session_id")
+			if err != nil {
+				files[1] = c.WebDir + "/templates/login.html"
+				tmpl, err := template.ParseFiles(files...)
+				if err = template.Must(tmpl, err).Execute(w, data); err != nil {
+					log.Println(err)
+					http.Error(w, err.Error(), http.StatusInternalServerError)
+					return
+				}
+				return
+			}
+
+			session, ok := s[cookie.Value]
+			if !ok {
+				cookie.Expires = time.Now()
+				http.SetCookie(w, cookie)
+
+				files[1] = c.WebDir + "/templates/login.html"
+				tmpl, err := template.ParseFiles(files...)
+				if err = template.Must(tmpl, err).Execute(w, data); err != nil {
+					log.Println(err)
+					http.Error(w, err.Error(), http.StatusInternalServerError)
+					return
+				}
+				return
+			}
+
+			data.Role = session.User.Role
+			files[1] = c.WebDir + "/templates/hub.html"
+			tmpl, err := template.ParseFiles(files...)
+			if err = template.Must(tmpl, err).Execute(w, data); err != nil {
+				log.Println(err)
+				http.Error(w, err.Error(), http.StatusInternalServerError)
+				return
+			}
+		}
+	}
+}
+
+func ShowHub(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		session, err := ManageSession(w, r, c, s)
+		if err != nil {
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
+			return
+		}
+
+		session.Article = nil
+
+		data := new(struct{ Role int })
+		data.Role = session.User.Role
+
+		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
+		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", data); err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	}
+}