Active/Deactivate question

README.md

@@ -6,12 +6,15 @@ Polling web app, where admin selects one question, and the audience can see/answ
 
 ## Screens
 
-![polls](html/screenshots/polls.jpg)
-![question](html/screenshots/question.jpg)
-![answers](html/screenshots/answers.jpg)
-![edit](html/screenshots/edit_poll.jpg)
+![polls](_html/screenshots/polls.jpg)
 
-## Deploy procedure
+![question](_html/screenshots/question.jpg)
+
+![answers](_html/screenshots/answers.jpg)
+
+![edit](_html/screenshots/edit_poll.jpg)
+
+## Deploy
 
 Refer to Gigalixir [documentation](https://gigalixir.readthedocs.io/en/latest/main.html#deploy)
 

TODO.md

@@ -1,5 +1,24 @@
 # TODO
 
+Step 1 - Manage
+
+* UI: Button "Pull" question - set `active` to `true`; and redirect_back
+  - show
+  - index
+* UI: Button "Stop" finds active question and set `active` to FALSE
+
+Step 2 - Public
+
+* Navigate(of refresh) `poll_page(:id)` displays currently active question
+  1) Poll does not have active question: display welcoming text
+  2) Poll has active question: display question
+
+Step 3 - Public when question has been answered
+
+* to be continued...
+
+# Plane
+
 - Build application with Phoenix framework
   * mix.new app
   * models
@@ -42,13 +61,16 @@
   * Submit answer
   * Show answers
 - admin
-  * CRUD poll. Need for grouping questions. Public-side does not know about quiz.
+  * CRUD poll. Need for grouping questions.
     Each poll consists of questions.
+    Only one question can be active(per poll).
   * CRUD question
     Each question consists of answers.
     Answers can be "radio buttons" or "check boxes".
-    Each question has one answer "Other" - input[type=text]. Optional.
+    Each question has special answer: "Other" input[type=text]. Optional.
   * Show question answers
+    - "Pull"-action button
+    - Next/Prev links
 
     ```example
     Question:

html/admin_show_question.html → _html/admin_show_question.html

@@ -83,7 +83,7 @@
           <a href="#">&larr; Prev</a>
         </div>
         <div class="float-right">
-          <a href="#">Next &rarr;</a>
+          <a href="admin_index.html">Next &rarr;</a>
         </div>
       </div>
 

assets/css/app.css

@@ -1,6 +1,14 @@
 /* This file is for your main application css. */
 
 /* theme_default.css */
+
+.row-no-media {
+  flex-direction: row;
+}
+.row-no-media .column {
+  margin-bottom: inherit;
+}
+
 .title-adaptive {
   font-size: calc(24px + (36 - 24) * ((100vw - 320px) / 680));
 }
@@ -45,6 +53,13 @@
   border-left: .3rem solid #f53131;
 }
 
+.text-center {
+  text-align: center;
+}
+
+.text-right {
+  text-align: right;
+}
 
 
 
@@ -277,66 +292,6 @@
   }
 }
 
-.prettyprint.code {
-  border: 0;
-  border-left: .3rem solid #9b4dca;
-  color: #655d5d
-}
-
-.prettyprint.code .str {
-  color: #4b8b8b
-}
-
-.prettyprint.code .kwd {
-  color: #8464c4
-}
-
-.prettyprint.code .com {
-  color: #adadad
-}
-
-.prettyprint.code .typ {
-  color: #7272ca
-}
-
-.prettyprint.code .lit {
-  color: #9b4dca
-}
-
-.prettyprint.code .pun {
-  color: #5485b6
-}
-
-.prettyprint.code .clo,
-.prettyprint.code .opn {
-  color: #f4ecec
-}
-
-.prettyprint.code .atn,
-.prettyprint.code .tag {
-  color: #9b4dca
-}
-
-.prettyprint.code .atv {
-  color: #5485b6
-}
-
-.prettyprint.code .dec {
-  color: #b45a3c
-}
-
-.prettyprint.code .var {
-  color: #ca4949
-}
-
-.prettyprint.code .fun {
-  color: #7272ca
-}
-
-.prettyprint.code.lang-md * {
-  color: #655d5d
-}
-
 .carbonads {
   background-color: #f4f5f6;
   border-radius: 4px;
@@ -388,30 +343,6 @@
   margin-bottom: 0
 }
 
-.example {
-  margin-top: 4rem;
-  position: relative
-}
-
-.example .example-header {
-  font-weight: 600;
-  margin-bottom: .5rem;
-  margin-top: 1.5rem
-}
-
-.example h1,
-.example h2,
-.example h3,
-.example h4,
-.example h5,
-.example h6 {
-  margin-bottom: 1rem
-}
-
-.example form {
-  margin-bottom: 0
-}
-
 .heading-font-size {
   color: #999;
   font-size: 1.2rem;
@@ -460,13 +391,3 @@
   text-align: center;
   text-transform: uppercase
 }
-
-.example .container {
-  padding-left: 0;
-  padding-right: 0
-}
-
-.example.row,
-.example .row {
-  margin-bottom: 0
-}

lib/instant_poll/ecto_type/strings_list.ex

@@ -0,0 +1,22 @@
+defmodule InstantPoll.EctoType.StringsList do
+
+  @behaviour Ecto.Type
+  def type, do: {:array, :string}
+
+  def cast(nil), do: {:ok, []}
+  def cast(arr) when is_list(arr) do
+    {:ok, reject_blank(arr)}
+  end
+
+  def dump(val), do: {:ok, val}
+  def load(val), do: {:ok, val}
+
+
+  defp reject_blank(collection) do
+    Enum.reject(collection, fn(s) -> is_blank(s) end)
+  end
+
+  defp is_blank(str) do
+    String.length(String.trim(str)) == 0
+  end
+end

lib/instant_poll/polls/poll.ex

@@ -8,12 +8,12 @@ defmodule InstantPoll.Polls.Poll do
   schema "polls" do
     field :archived, :boolean, default: false
     field :name, :string
+    belongs_to :active_question, Question
     has_many :questions, Question
 
     timestamps()
   end
 
-  @doc false
   def changeset(%Poll{} = poll, attrs) do
     poll
     |> cast(attrs, [:name, :archived])

lib/instant_poll/polls/polls.ex

@@ -1,106 +1,35 @@
 defmodule InstantPoll.Polls do
-  @moduledoc """
-  The Polls context.
-  """
 
   import Ecto.Query, warn: false
   alias InstantPoll.Repo
 
   alias InstantPoll.Polls.Poll
   alias InstantPoll.Polls.Question
 
-  @doc """
-  Returns the list of polls.
-
-  ## Examples
-
-      iex> list_polls()
-      [%Poll{}, ...]
-
-  """
   def list_polls do
     Poll
     |> order_by(desc: :id)
     |> Repo.all
   end
 
-  @doc """
-  Gets a single poll.
-
-  Raises `Ecto.NoResultsError` if the Poll does not exist.
-
-  ## Examples
-
-      iex> get_poll!(123)
-      %Poll{}
-
-      iex> get_poll!(456)
-      ** (Ecto.NoResultsError)
-
-  """
   def get_poll!(id), do: Repo.get!(Poll, id)
 
-  @doc """
-  Creates a poll.
-
-  ## Examples
-
-      iex> create_poll(%{field: value})
-      {:ok, %Poll{}}
-
-      iex> create_poll(%{field: bad_value})
-      {:error, %Ecto.Changeset{}}
-
-  """
   def create_poll(attrs \\ %{}) do
     %Poll{}
     |> Poll.changeset(attrs)
     |> Repo.insert()
   end
 
-  @doc """
-  Updates a poll.
-
-  ## Examples
-
-      iex> update_poll(poll, %{field: new_value})
-      {:ok, %Poll{}}
-
-      iex> update_poll(poll, %{field: bad_value})
-      {:error, %Ecto.Changeset{}}
-
-  """
   def update_poll(%Poll{} = poll, attrs) do
     poll
     |> Poll.changeset(attrs)
     |> Repo.update()
   end
 
-  @doc """
-  Deletes a Poll.
-
-  ## Examples
-
-      iex> delete_poll(poll)
-      {:ok, %Poll{}}
-
-      iex> delete_poll(poll)
-      {:error, %Ecto.Changeset{}}
-
-  """
   def delete_poll(%Poll{} = poll) do
     Repo.delete(poll)
   end
 
-  @doc """
-  Returns an `%Ecto.Changeset{}` for tracking poll changes.
-
-  ## Examples
-
-      iex> change_poll(poll)
-      %Ecto.Changeset{source: %Poll{}}
-
-  """
   def change_poll(%Poll{} = poll) do
     Poll.changeset(poll, %{})
   end

lib/instant_poll/polls/question.ex

@@ -3,27 +3,22 @@ defmodule InstantPoll.Polls.Question do
   import Ecto.Changeset
   alias InstantPoll.Polls.Question
   alias InstantPoll.Polls.Poll
+  alias InstantPoll.EctoType.StringsList
 
 
   schema "questions" do
-    field :answers, {:array, :string}
-    field :multiple, :boolean, default: false
     field :name, :string
+    field :answers, StringsList, default: []
+    field :multiple, :boolean, default: false
     field :other_answer, :boolean, default: false
     belongs_to :poll, Poll
 
     timestamps()
   end
 
-  @doc false
   def changeset(%Question{} = question, attrs) do
     question
-    |> cast(attrs, [:name, :poll_id, :multiple, :answers, :other_answer])
-    |> put_change(
-      :answers,
-      attrs["answers"] == nil ||
-        Enum.reject(attrs["answers"], fn(s) -> String.length(String.trim s) == 0 end)
-    )
+    |> cast(attrs, [:name, :answers, :poll_id, :multiple, :other_answer])
     |> validate_required([:name, :poll_id, :multiple, :other_answer])
   end
 end