/books/programming-phoenix-liveview
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When using phx.gen.live with phoenix 1.7.14 the generated code in index.html.heex uses patch instead of navigate. When looking up the tem...
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Hi there,
in the book it says the authentication service should be located at ```
lib/pento_web/controllers/user_auth.ex
but for me it...
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The template on page 138 already contains the .simple-form component even though we did not assign a form to the socket yet and will ther...
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Disclaimer: I hope all of this is accurate, and not the result of some stupid typo I failed to notice. Anyways…
This post comprises 2 is...
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Hi, I just finished reading Programming Phoenix LiveView B10 PDF edition.
I found some typos and errata, and I will report them all in t...
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if active Pentominos do not showup on the screen it is due to this line on p369
defp assign_shapes(%{assigns: %{board: board}} = socket)...
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In this paragraph:
The schema macro is not the only aspect of the Product module that helps us interact with the products database tabl...
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Some typos and confusing bits I’ve noticed in the first 100 pages or so:
pp 12: “Now, start the web server” – the output snippet should...
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On page 77 the book tells us to add a validation rule checking that the unit price is greater than 0.0 then on page 161 it’s suggested th...
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Hi! To get to see the shapes on the board, I think that where it says:
# lib/pento_web/live/game_live/board.ex
def assign_shapes(%{assig...
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In Chapter 4. Generators: Live Views and Templates, under the Manage Change with a Form Component section push_navigate/2 is described, h...
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In PentoWeb.RatingLive.Index.product_rating/1 function, there is a call to <RatingLive.Show.stars rating={rating} product={@product} /...
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The last line in the first paragraph on page 99 reads:
…put certain instructions in socket.products.inserts or socket.products.deletes....
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The 3rd paragraph on the page states:
Our <.header> function invocation in the index template doesn’t make use of the <:subtit...
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The form used for promo code on page 140 uses phx-debounce which is later explained and written about as if it the reader hadn’t already ...
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Testing the Point module, I realized that 90° and 270° rotation are swapped. According to the figure on page 340, it should be a clockwis...
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The second sentence in the last paragraph on the page says:
The call to consumer_uploaded_entries/3 returns a list of upload results…
...
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Second paragraph in section Protect Routes with Plugs says "The authentication service is defined in the file lib/pento_web/controll...
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In general, the book isn’t yet updated for Phoenix version 1.6. On page 18 of the book, the authors indicate that an auto generated of ro...
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The markup used to display the uploaded image results in a Phoenix.LiveView.HTMLTokenizer.ParseError error.
lib/pento_web/live/product_l...
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It seems the second code snippet is missing the code to set the current_user:
current_user: Accounts.get_user_by_session_token(session[&...
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root_layout: {PentoWeb.LayoutView, :root},
This results in the following following error:
no “root” html template defined for PentoWeb...
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Book: Programming Phoenix LiveView, page 142 (157/378), file lib/pento_web/live/product_live/form_component.ex, in the function below:
d...
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Title: Programming Phoenix LiveView B8 - entire Ch4 modal component section needs correcting (Page 101-114)
Example: Programming Flutter...
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(Phoenix 1.6.6, Ecto 3.7.2, Elixir 1.13)
When building the custom Survey context, we are told to then update the rating.ex file with the...
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The introduction instructions under section “Build a Simple LiveView” are incomplete. If followed from book one gets the following error:...
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The text talks about adding two keys to assigns, a session_id key and a current_user key, but the example code is only showing the sessio...
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In the code sample for auth /pento/lib/pento_web/live/user_auth_live.ex the on_mount function is defined as:
on_mount(_, params, %{"...
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The schemaless form defined in file “lib/pento_web/live/promo_live.html.heex” on page 133 of the book requires some transformation. The :...
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Since LiveView now supports Streams, the generated code seems to be pushing the user in that direction as well.
As a result, the example...
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The link to live_patch/2 on the bottom of the page does not work. It seems this function no longer exists in the latest version. This may...
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The first heex block of code in the section The Promo Live View should just be the <.header>; the code errors out if you include th...
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The following code block in the Access Session Data in The Live View section is duplicated:
def mount(_params, session, socket) do
...
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The generated iex result below should list products instead of product for the metadata. (page 67)
iex> product = %Product{}
%Pento....
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Hi! I know not the intentions behind this narrative when called, on page XI:
mount() |> handle_event() |> render()
but the correc...
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“The ProductLive.Index template calls a helper function, live_component/3, that in turn calls on the modal component. ”
Excerpt From: Br...
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A further clarification: When I move to the “Stateful components” section and run a compile with “iex -S mix”, the compile works. When I ...
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The right lifecycle should be
mount/3
handle_prams/3
render/3
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On Chapter 3 - Page 78, the beginning of the page has this code here:
@doc """
Maybe it is missing to put the Pento cont...
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socket is being accessed in the function body, hence the need to include it in the function head.
Current:
def maybe_track_user(
...
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Hi there,
Just wanted to call out that although what needs to happen should be pretty obvious, when we add handle_progress/3 on page 138...
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“You’ll see how LiveView let’s you move fast by offering elegant patterns for code organization, and you’ll find that LiveView is the per...
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“…With this function, we name the concept of a base query and we provide one common way to build the foundation for all Demographic queri...
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Title: Programming Phoenix LiveView:IEX command not correct. Should be “alias Pento.Catalog.Product” not “alias Pento.Product” page 166.
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Confiirm should be confirm
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Title: Programming Phoenix LiveView: (page 221)
In the part to open up IEx with iex -S mix and do the test drive of the query.
It was n...
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This whole section is beautifully written. Clear, to the point overview of what we need to do, why we need to do it and how we are going ...
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“…Then, we renew the session for security sake, adding…”
for security sake should be for the sake of security (or similar)
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