// handleViewMealPlan handles HTTP requests for the meal plan viewer.
func handleViewMealPlan(w http.ResponseWriter, r *http.Request) {
mpID, ok := getUint64Var(r, "mealplanid")
if !ok {
httpError(w, BadRequestError)
return
}
var mp *mpdata.MealPlan
err := mpdb.WithConnection(func(db *sql.DB) (err error) {
return mpdb.WithTransaction(db, func(tx *sql.Tx) (err error) {
mp, err = mpdb.GetMealPlan(tx, mpID)
return err
})
})
if err != nil {
serverError(w, err)
return
}
if mp == nil {
httpError(w, NotFoundError)
return
}
renderTemplate(w, "view-mp.html", mp)
}
// handleDeleteMealPlanForm handles HTTP requests for the meal plan deletion
// confirmation page.
func handleDeleteMealPlanForm(w http.ResponseWriter, r *http.Request) {
mpID, ok := getUint64Var(r, "mealplanid")
if !ok {
httpError(w, BadRequestError)
return
}
var mp *mpdata.MealPlan
var numServings int
err := mpdb.WithConnection(func(db *sql.DB) (err error) {
return mpdb.WithTransaction(db, func(tx *sql.Tx) (err error) {
mp, err = mpdb.GetMealPlan(tx, mpID)
if err != nil {
return err
}
numServings, err = mpdb.CountServings(tx, mpID)
return err
})
})
if err != nil {
serverError(w, err)
return
}
if mp == nil {
httpError(w, NotFoundError)
return
}
renderTemplate(w, "delete-mp-form.html", deleteMPData{mp, numServings})
}