add example project

bluzky · Oct 25, 2020 · ae5a297 · ae5a297
1 parent f142ae5
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diff --git a/example/lib/example/content/post.ex b/example/lib/example/content/post.ex
@@ -10,6 +10,7 @@ defmodule Example.Content.Post do
     field(:slug, :string)
     field(:state, :string, default: "draft")
     field(:title, :string)
+    field(:view_count, :integer, default: 0)
     belongs_to(:category, Example.PostMeta.Category)
     belongs_to(:author, Example.Account.User)
 
@@ -19,7 +20,16 @@ defmodule Example.Content.Post do
   @doc false
   def changeset(post, attrs) do
     post
-    |> cast(attrs, [:title, :slug, :cover, :content, :state, :author_id, :category_id])
+    |> cast(attrs, [
+      :title,
+      :slug,
+      :cover,
+      :content,
+      :state,
+      :author_id,
+      :category_id,
+      :view_count
+    ])
     |> validate_required([:title, :content, :state])
   end
 end
diff --git a/example/lib/example_web/controllers/.#post_controller.ex b/example/lib/example_web/controllers/.#post_controller.ex
@@ -0,0 +1 @@
+flex@onpoits-MacBook-Pro.local.5981
diff --git a/example/lib/example_web/controllers/category_controller.ex b/example/lib/example_web/controllers/category_controller.ex
@@ -0,0 +1,62 @@
+defmodule ExampleWeb.CategoryController do
+  use ExampleWeb, :controller
+
+  alias Example.PostMeta
+  alias Example.PostMeta.Category
+
+  def index(conn, _params) do
+    categories = PostMeta.list_categories()
+    render(conn, "index.html", categories: categories)
+  end
+
+  def new(conn, _params) do
+    changeset = PostMeta.change_category(%Category{})
+    render(conn, "new.html", changeset: changeset)
+  end
+
+  def create(conn, %{"category" => category_params}) do
+    case PostMeta.create_category(category_params) do
+      {:ok, category} ->
+        conn
+        |> put_flash(:info, "Category created successfully.")
+        |> redirect(to: Routes.category_path(conn, :show, category))
+
+      {:error, %Ecto.Changeset{} = changeset} ->
+        render(conn, "new.html", changeset: changeset)
+    end
+  end
+
+  def show(conn, %{"id" => id}) do
+    category = PostMeta.get_category!(id)
+    render(conn, "show.html", category: category)
+  end
+
+  def edit(conn, %{"id" => id}) do
+    category = PostMeta.get_category!(id)
+    changeset = PostMeta.change_category(category)
+    render(conn, "edit.html", category: category, changeset: changeset)
+  end
+
+  def update(conn, %{"id" => id, "category" => category_params}) do
+    category = PostMeta.get_category!(id)
+
+    case PostMeta.update_category(category, category_params) do
+      {:ok, category} ->
+        conn
+        |> put_flash(:info, "Category updated successfully.")
+        |> redirect(to: Routes.category_path(conn, :show, category))
+
+      {:error, %Ecto.Changeset{} = changeset} ->
+        render(conn, "edit.html", category: category, changeset: changeset)
+    end
+  end
+
+  def delete(conn, %{"id" => id}) do
+    category = PostMeta.get_category!(id)
+    {:ok, _category} = PostMeta.delete_category(category)
+
+    conn
+    |> put_flash(:info, "Category deleted successfully.")
+    |> redirect(to: Routes.category_path(conn, :index))
+  end
+end
diff --git a/example/lib/example_web/controllers/post_controller.ex b/example/lib/example_web/controllers/post_controller.ex
@@ -0,0 +1,98 @@
+defmodule ExampleWeb.PostController do
+  use ExampleWeb, :controller
+
+  alias Example.Content
+  alias Example.Content.Post
+  alias Example.PostMeta.Category
+  alias Example.Account.User
+  alias Example.Repo
+  require Logger
+
+  @post_filter_schema %{
+    title: :string,
+    view_count: :integer,
+    state: :string,
+    author: [
+      type: :ref,
+      model: User,
+      schema: %{
+        email: :string,
+        first_name: :string
+      }
+    ],
+    category: [
+      type: :ref,
+      model: Category,
+      schema: %{
+        name: :string,
+        is_enabled: :boolean
+      }
+    ]
+  }
+
+  def index(conn, params) do
+    with {:ok, filter} <- Querie.parse(@post_filter_schema, params) do
+      posts =
+        Querie.filter(Post, filter)
+        |> Repo.all()
+        |> Repo.preload([:category, :author])
+
+      render(conn, "index.html", posts: posts, errors: nil)
+    else
+      {:error, err} ->
+        Logger.error(inspect(err))
+        render(conn, "index.html", posts: [], errors: err)
+    end
+  end
+
+  def new(conn, _params) do
+    changeset = Content.change_post(%Post{})
+    render(conn, "new.html", changeset: changeset)
+  end
+
+  def create(conn, %{"post" => post_params}) do
+    case Content.create_post(post_params) do
+      {:ok, post} ->
+        conn
+        |> put_flash(:info, "Post created successfully.")
+        |> redirect(to: Routes.post_path(conn, :show, post))
+
+      {:error, %Ecto.Changeset{} = changeset} ->
+        render(conn, "new.html", changeset: changeset)
+    end
+  end
+
+  def show(conn, %{"id" => id}) do
+    post = Content.get_post!(id)
+    render(conn, "show.html", post: post)
+  end
+
+  def edit(conn, %{"id" => id}) do
+    post = Content.get_post!(id)
+    changeset = Content.change_post(post)
+    render(conn, "edit.html", post: post, changeset: changeset)
+  end
+
+  def update(conn, %{"id" => id, "post" => post_params}) do
+    post = Content.get_post!(id)
+
+    case Content.update_post(post, post_params) do
+      {:ok, post} ->
+        conn
+        |> put_flash(:info, "Post updated successfully.")
+        |> redirect(to: Routes.post_path(conn, :show, post))
+
+      {:error, %Ecto.Changeset{} = changeset} ->
+        render(conn, "edit.html", post: post, changeset: changeset)
+    end
+  end
+
+  def delete(conn, %{"id" => id}) do
+    post = Content.get_post!(id)
+    {:ok, _post} = Content.delete_post(post)
+
+    conn
+    |> put_flash(:info, "Post deleted successfully.")
+    |> redirect(to: Routes.post_path(conn, :index))
+  end
+end
diff --git a/example/lib/example_web/controllers/user_controller.ex b/example/lib/example_web/controllers/user_controller.ex
@@ -0,0 +1,62 @@
+defmodule ExampleWeb.UserController do
+  use ExampleWeb, :controller
+
+  alias Example.Account
+  alias Example.Account.User
+
+  def index(conn, _params) do
+    users = Account.list_users()
+    render(conn, "index.html", users: users)
+  end
+
+  def new(conn, _params) do
+    changeset = Account.change_user(%User{})
+    render(conn, "new.html", changeset: changeset)
+  end
+
+  def create(conn, %{"user" => user_params}) do
+    case Account.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 show(conn, %{"id" => id}) do
+    user = Account.get_user!(id)
+    render(conn, "show.html", user: user)
+  end
+
+  def edit(conn, %{"id" => id}) do
+    user = Account.get_user!(id)
+    changeset = Account.change_user(user)
+    render(conn, "edit.html", user: user, changeset: changeset)
+  end
+
+  def update(conn, %{"id" => id, "user" => user_params}) do
+    user = Account.get_user!(id)
+
+    case Account.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
+
+  def delete(conn, %{"id" => id}) do
+    user = Account.get_user!(id)
+    {:ok, _user} = Account.delete_user(user)
+
+    conn
+    |> put_flash(:info, "User deleted successfully.")
+    |> redirect(to: Routes.user_path(conn, :index))
+  end
+end
diff --git a/example/lib/example_web/templates/category/edit.html.eex b/example/lib/example_web/templates/category/edit.html.eex
@@ -0,0 +1,5 @@
+<h1>Edit Category</h1>
+
+<%= render "form.html", Map.put(assigns, :action, Routes.category_path(@conn, :update, @category)) %>
+
+<span><%= link "Back", to: Routes.category_path(@conn, :index) %></span>
diff --git a/example/lib/example_web/templates/category/form.html.eex b/example/lib/example_web/templates/category/form.html.eex
@@ -0,0 +1,23 @@
+<%= form_for @changeset, @action, fn f -> %>
+  <%= if @changeset.action do %>
+    <div class="alert alert-danger">
+      <p>Oops, something went wrong! Please check the errors below.</p>
+    </div>
+  <% end %>
+
+  <%= label f, :name %>
+  <%= text_input f, :name %>
+  <%= error_tag f, :name %>
+
+  <%= label f, :slug %>
+  <%= text_input f, :slug %>
+  <%= error_tag f, :slug %>
+
+  <%= label f, :is_enabled %>
+  <%= checkbox f, :is_enabled %>
+  <%= error_tag f, :is_enabled %>
+
+  <div>
+    <%= submit "Save" %>
+  </div>
+<% end %>
diff --git a/example/lib/example_web/templates/category/index.html.eex b/example/lib/example_web/templates/category/index.html.eex
@@ -0,0 +1,30 @@
+<h1>Listing Categories</h1>
+
+<table>
+  <thead>
+    <tr>
+      <th>Name</th>
+      <th>Slug</th>
+      <th>Is enabled</th>
+
+      <th></th>
+    </tr>
+  </thead>
+  <tbody>
+<%= for category <- @categories do %>
+    <tr>
+      <td><%= category.name %></td>
+      <td><%= category.slug %></td>
+      <td><%= category.is_enabled %></td>
+
+      <td>
+        <span><%= link "Show", to: Routes.category_path(@conn, :show, category) %></span>
+        <span><%= link "Edit", to: Routes.category_path(@conn, :edit, category) %></span>
+        <span><%= link "Delete", to: Routes.category_path(@conn, :delete, category), method: :delete, data: [confirm: "Are you sure?"] %></span>
+      </td>
+    </tr>
+<% end %>
+  </tbody>
+</table>
+
+<span><%= link "New Category", to: Routes.category_path(@conn, :new) %></span>
diff --git a/example/lib/example_web/templates/category/new.html.eex b/example/lib/example_web/templates/category/new.html.eex
@@ -0,0 +1,5 @@
+<h1>New Category</h1>
+
+<%= render "form.html", Map.put(assigns, :action, Routes.category_path(@conn, :create)) %>
+
+<span><%= link "Back", to: Routes.category_path(@conn, :index) %></span>
diff --git a/example/lib/example_web/templates/category/show.html.eex b/example/lib/example_web/templates/category/show.html.eex
@@ -0,0 +1,23 @@
+<h1>Show Category</h1>
+
+<ul>
+
+  <li>
+    <strong>Name:</strong>
+    <%= @category.name %>
+  </li>
+
+  <li>
+    <strong>Slug:</strong>
+    <%= @category.slug %>
+  </li>
+
+  <li>
+    <strong>Is enabled:</strong>
+    <%= @category.is_enabled %>
+  </li>
+
+</ul>
+
+<span><%= link "Edit", to: Routes.category_path(@conn, :edit, @category) %></span>
+<span><%= link "Back", to: Routes.category_path(@conn, :index) %></span>
diff --git a/example/lib/example_web/templates/post/edit.html.eex b/example/lib/example_web/templates/post/edit.html.eex
@@ -0,0 +1,5 @@
+<h1>Edit Post</h1>
+
+<%= render "form.html", Map.put(assigns, :action, Routes.post_path(@conn, :update, @post)) %>
+
+<span><%= link "Back", to: Routes.post_path(@conn, :index) %></span>
diff --git a/example/lib/example_web/templates/post/form.html.eex b/example/lib/example_web/templates/post/form.html.eex
@@ -0,0 +1,31 @@
+<%= form_for @changeset, @action, fn f -> %>
+  <%= if @changeset.action do %>
+    <div class="alert alert-danger">
+      <p>Oops, something went wrong! Please check the errors below.</p>
+    </div>
+  <% end %>
+
+  <%= label f, :title %>
+  <%= text_input f, :title %>
+  <%= error_tag f, :title %>
+
+  <%= label f, :slug %>
+  <%= text_input f, :slug %>
+  <%= error_tag f, :slug %>
+
+  <%= label f, :cover %>
+  <%= text_input f, :cover %>
+  <%= error_tag f, :cover %>
+
+  <%= label f, :content %>
+  <%= text_input f, :content %>
+  <%= error_tag f, :content %>
+
+  <%= label f, :state %>
+  <%= text_input f, :state %>
+  <%= error_tag f, :state %>
+
+  <div>
+    <%= submit "Save" %>
+  </div>
+<% end %>