package appimport (	md "farga/app/middleware"	"farga/db/types"	"farga/lib"	hk "farga/lib/hackatime"	"farga/templating"	"net/http"	"github.com/google/uuid")type BranchForm struct {	Branch string `form:"branch" validate:"required,max=100"`}type AddSSHKeyForm struct {	Name string `form:"name" validate:"required,max=100"`	Key  string `form:"key" validate:"required"`}type DeleteSSHKeyForm struct {	ID string `form:"key" validate:"required,uuid,max=100"`}func (a *App) UserConfigHandler(w http.ResponseWriter, r *http.Request) {	user := r.Context().Value(lib.UserKey).(*types.User)	var hkUser *hk.User	var err error	if user.HackatimeToken != "" && r.URL.Query().Get("err") != "WarnOffline" {		hkUser, err = hk.UserInfo(user.HackatimeToken)		if err != nil {			http.Redirect(w, r, "?err=WarnOffline", http.StatusSeeOther)			return		}	}	templating.Render(w, r, "base", "config", map[string]any{"User": user, "Config": user.Config, "Hackatime": hkUser})}func (a *App) branchHandler(w http.ResponseWriter, r *http.Request) {	form, _ := md.Form[BranchForm](r)	user := r.Context().Value(lib.UserKey).(*types.User)	branch := form.Branch	if lib.GitBranchRegex.MatchString(branch) {		a.Store.UpdateUserConfig(user.ID, types.UserConfig{GitDefaultBranch: branch})		http.Redirect(w, r, "/config?msg=UpdateSuccess", http.StatusFound)	} else if len(branch) > lib.GitBranchMaxLen { // ik it's duplicated, but in case I ever forget IT'LL BE HERE.		http.Redirect(w, r, "/config?err=GitBranchTooLong", http.StatusFound)	} else if len(branch) < lib.GitBranchMinLen {		http.Redirect(w, r, "/config?err=GitBranchTooShort", http.StatusFound)	} else {		http.Redirect(w, r, "/config?err=GitInvalidBranchName", http.StatusFound)	}}func (a *App) newSSHKeyHandler(w http.ResponseWriter, r *http.Request) {	form, _ := md.Form[AddSSHKeyForm](r)	name := form.Name	user, ok := r.Context().Value(lib.UserKey).(*types.User)	if !ok {		http.Error(w, "Bad Request: Not logged in.", http.StatusBadRequest)		return	}	key, err := lib.ParseKey(form.Key)	if err != nil {		http.Error(w, "Malformed SSH Key", http.StatusBadRequest)		return	}	_, err = a.Store.NewPubKey(name, key, user.ID)	if err != nil {		http.Error(w, err.Error(), http.StatusInternalServerError)		return	}	http.Redirect(w, r, "/config?msg=GeneralSuccess", http.StatusFound)}func (a *App) deleteSSHKeyHandler(w http.ResponseWriter, r *http.Request) {	form, _ := md.Form[DeleteSSHKeyForm](r)	keyId, err := uuid.Parse(form.ID)	if err != nil {		http.Error(w, "Invalid key UUID.", http.StatusBadRequest)		return	}	user, ok := r.Context().Value(lib.UserKey).(*types.User)	if !ok {		http.Error(w, "Invalid user.", http.StatusInternalServerError)		return	}	err = a.Store.DeletePubKey(keyId, user.ID)	if err != nil {		http.Error(w, "500 Something went wrong on our end.", http.StatusInternalServerError)		return	}	http.Redirect(w, r, "/config?msg=DeleteSuccess", http.StatusFound)}