ch17

cmd/web/handlers.go

@@ -4,11 +4,14 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
+	"io/fs"
 	"net/http"
 	"strconv"
+	"strings"
 
 	"gitea.local.lab/Lbenedar/snippetbox/internal/models"
 	"gitea.local.lab/Lbenedar/snippetbox/internal/validator"
+	"gitea.local.lab/Lbenedar/snippetbox/ui"
 	"github.com/julienschmidt/httprouter"
 )
 
@@ -32,6 +35,20 @@ type userLoginForm struct {
 	validator.Validator `form:"-"`
 }
 
+type accountViewForm struct {
+	Name                string `form:"name"`
+	Email               string `form:"email"`
+	Joined              string `form:"joined"`
+	validator.Validator `form:"-"`
+}
+
+type passwordChangeForm struct {
+	CurrentPassword     string `form:"curr_pass"`
+	NewPassword         string `form:"new_pass"`
+	ConfirmPassword     string `form:"conf_pass"`
+	validator.Validator `form:"-"`
+}
+
 func (app *application) render(w http.ResponseWriter, status int, page string, data *templateData) {
 	ts, ok := app.templateCache[page]
 	if !ok {
@@ -210,7 +227,11 @@ func (app *application) userLoginPost(w http.ResponseWriter, r *http.Request) {
 	}
 
 	app.sessionManager.Put(r.Context(), "authenticatedUserID", id)
-
+	redirectPath := app.sessionManager.PopString(r.Context(), "redirectParent")
+	if redirectPath != "" {
+		http.Redirect(w, r, redirectPath, http.StatusSeeOther)
+		return
+	}
 	http.Redirect(w, r, "/snippet/create", http.StatusSeeOther)
 }
 
@@ -241,3 +262,73 @@ func (app *application) userLogin(w http.ResponseWriter, r *http.Request) {
 func ping(w http.ResponseWriter, r *http.Request) {
 	w.Write([]byte("OK"))
 }
+
+func (app *application) about(w http.ResponseWriter, r *http.Request) {
+	data := app.newTemplateData(r)
+	text, err := fs.ReadFile(ui.Files, "static/text/about.txt")
+	if err != nil {
+		app.serverError(w, err)
+		return
+	}
+	data.AboutText = string(text)
+	app.render(w, http.StatusOK, "about.tmpl", data)
+}
+
+func (app *application) accountView(w http.ResponseWriter, r *http.Request) {
+	data := app.newTemplateData(r)
+	id := app.sessionManager.Get(r.Context(), "authenticatedUserID").(int)
+
+	user, err := app.users.GetById(id)
+	if err != nil {
+		app.serverError(w, err)
+		return
+	}
+	data.Form = accountViewForm{Name: user.Name, Email: user.Email, Joined: humanDate(user.Created)}
+	app.render(w, http.StatusOK, "account.tmpl", data)
+}
+
+func (app *application) accountChangePassword(w http.ResponseWriter, r *http.Request) {
+	data := app.newTemplateData(r)
+	data.Form = passwordChangeForm{}
+	app.render(w, http.StatusOK, "password.tmpl", data)
+}
+
+func (app *application) accountChangePasswordPost(w http.ResponseWriter, r *http.Request) {
+	form := passwordChangeForm{}
+	err := app.decodePostForm(r, &form)
+	if err != nil {
+		app.clientError(w, http.StatusBadRequest)
+		return
+	}
+
+	form.CheckField(validator.NotBlank(form.CurrentPassword), "curr_pass", "This field cannot be blank")
+	form.CheckField(validator.NotBlank(form.NewPassword), "new_pass", "This field cannot be blank")
+	form.CheckField(validator.MinChars(form.NewPassword, 8), "new_pass", "Minimum password length is 8 symbols")
+	form.CheckField(validator.NotBlank(form.ConfirmPassword), "conf_pass", "This field cannot be blank")
+	form.CheckField(strings.Compare(form.NewPassword, form.ConfirmPassword) == 0, "conf_pass", "Confirm password does not match")
+
+	if !form.Valid() {
+		data := app.newTemplateData(r)
+		data.Form = form
+		app.render(w, http.StatusUnprocessableEntity, "password.tmpl", data)
+		return
+	}
+
+	id := app.sessionManager.Get(r.Context(), "authenticatedUserID").(int)
+	err = app.users.ChangePassword(id, form.CurrentPassword, form.NewPassword)
+	if err != nil {
+		if errors.Is(err, models.ErrInvalidCredentials) {
+			form.AddNonFieldError("Password is incorrect")
+
+			data := app.newTemplateData(r)
+			data.Form = form
+			app.render(w, http.StatusUnprocessableEntity, "password.tmpl", data)
+		} else {
+			app.serverError(w, err)
+		}
+		return
+	}
+
+	app.sessionManager.Put(r.Context(), "flash", "Password successfully changed!")
+	http.Redirect(w, r, "/account/view", http.StatusSeeOther)
+}