Well you have already the path set here:
Example of User controller:
def new(conn, _params) do
changeset = Accounts.change_user(%User{})
render(conn, "new.html", changeset: changeset)
end
def create(conn, %{"user" => user_params}) do
case Accounts.create_user(user_params) do
{:ok, user} ->
conn
|> put_flash(:info, "User created successfully.")
|> redirect(to: Routes.user_path(conn, :show, user))
{:error, %Ecto.Changeset{} = changeset} ->
render(conn, "new.html", changeset: changeset)
end
end
def edit(conn, %{"id" => id}) do
user = Accounts.get_user!(id)
changeset = Accounts.change_user(user)
render(conn, "edit.html", user: user, changeset: changeset)
end
def update(conn, %{"id" => id, "user" => user_params}) do
user = Accounts.get_user!(id)
case Accounts.update_user(user, user_params) do
{:ok, user} ->
conn
|> put_flash(:info, "User updated successfully.")
|> redirect(to: Routes.user_path(conn, :show, user))
{:error, %Ecto.Changeset{} = changeset} ->
render(conn, "edit.html", user: user, changeset: changeset)
end
end
Then the Accounts Context
def create_user(attrs \\ %{}) do
%User{}
|> User.changeset(attrs)
|> Repo.insert()
end
def update_user(%User{} = user, attrs) do
user
|> User.changeset(attrs)
|> Repo.update()
end
def change_user(%User{} = user) do
User.changeset(user, %{})
end
For the forms only the action and the page title should be different.
You set Routes.user_path(@conn, :create)
for new
form
and You set Routes.user_path(@conn, :update, @user)
for edit
form.
If you’re facing the same issue even though you follow this logic maybe it is because you’re nesting complex level of parents and childrens associations in your form ? In this case maybe the below thread I created myself some times ago could help you? Good luck. ^^