Merge branch 'develop' into feature/title

lib/ketbin/pastes/paste.ex

@@ -1,6 +1,7 @@
 defmodule Ketbin.Pastes.Paste do
   use Ecto.Schema
   import Ecto.Changeset
+  @derive {Jason.Encoder, only: [:content, :is_url, :belongs_to]}
 
   @primary_key {:id, :string, autogenerate: false}
   @derive {Phoenix.Param, key: :id}
@@ -15,5 +16,6 @@ defmodule Ketbin.Pastes.Paste do
     paste
     |> cast(attrs, [:is_url, :content, :id, :belongs_to])
     |> validate_required([:is_url, :content])
+    |> unique_constraint(:id, name: :pastes_pkey)
   end
 end

lib/ketbin_web/controllers/api/paste_controller.ex

@@ -0,0 +1,45 @@
+defmodule KetbinWeb.Api.PasteController do
+  use KetbinWeb, :controller
+
+  alias Ketbin.Pastes
+  alias Ketbin.Pastes.Utils
+
+  def show(conn, %{"id" => id}) do
+    [head | _tail] = String.split(id, ".")
+
+    # fetch paste from db
+    paste = Pastes.get_paste!(head)
+    render(conn, "paste.json", paste: paste)
+  end
+
+  def create(%{assigns: %{current_user: current_user}} = conn, %{"paste" => paste_params}) do
+    # generate phonetic key
+    id = Utils.generate_key()
+
+    # check if content is a url
+    is_url =
+      Map.get(paste_params, "content")
+      |> Utils.is_url?()
+
+    # put id and is_url values into changeset
+    paste_params =
+      Map.put(paste_params, "id", id)
+      |> Map.put("is_url", is_url)
+      |> Map.put("belongs_to", current_user && current_user.id)
+
+    # attempt to create a paste
+    case Pastes.create_paste(paste_params) do
+      # all good
+      {:ok, paste} ->
+        conn
+        |> put_status(:created)
+        |> render("paste.json", paste: paste)
+
+      # something went wrong, bail
+      {:error, %Ecto.Changeset{} = _changeset} ->
+        conn
+        |> put_status(:internal_server_error)
+        |> render("error.json")
+    end
+  end
+end

lib/ketbin_web/controllers/page_controller.ex

@@ -38,7 +38,7 @@ defmodule KetbinWeb.PageController do
     [head | tail] = String.split(id, ".")
     paste = Pastes.get_paste!(head)
 
-    render(conn, "show.html",
+    render(conn, "shorten.html",
       paste: paste,
       show_edit: show_edit,
       extension: if(tail == [], do: "", else: tail),
@@ -52,8 +52,12 @@ defmodule KetbinWeb.PageController do
   end
 
   def create(%{assigns: %{current_user: current_user}} = conn, %{"paste" => paste_params}) do
-    # generate phonetic key
-    id = Utils.generate_key()
+    # if custom url exists, use it as id, else generate phonetic id
+    id =
+      case Map.get(paste_params, "custom_url", "") do
+        custom_url when custom_url != "" -> custom_url
+        _ -> Utils.generate_key()
+      end
 
     # check if content is a url
     is_url =
@@ -82,7 +86,13 @@ defmodule KetbinWeb.PageController do
 
       # something went wrong, bail
       {:error, %Ecto.Changeset{} = changeset} ->
-        render(conn, "index.html", changeset: changeset)
+        case changeset.errors[:id] do
+          {"has already been taken", _} ->
+            render(conn, "index.html", changeset: changeset, already_taken: true)
+
+          _ ->
+            render(conn, "index.html", changeset: changeset)
+        end
     end
   end
 

lib/ketbin_web/endpoint.ex

@@ -44,6 +44,7 @@ defmodule KetbinWeb.Endpoint do
 
   plug Plug.Parsers,
     parsers: [:urlencoded, :multipart, :json],
+    length: 10_000_000,
     pass: ["*/*"],
     json_decoder: Phoenix.json_library()
 

lib/ketbin_web/router.ex

@@ -14,6 +14,8 @@ defmodule KetbinWeb.Router do
 
   pipeline :api do
     plug :accepts, ["json"]
+    plug :fetch_session
+    plug :fetch_current_user
   end
 
   scope "/", KetbinWeb do
@@ -42,6 +44,12 @@ defmodule KetbinWeb.Router do
     put "/:id", PageController, :update
   end
 
+  scope "/api", KetbinWeb.Api, as: :api do
+    pipe_through :api
+
+    resources "/paste", PasteController, only: [:show, :index, :create]
+  end
+
   # Other scopes may use custom stacks.
   # scope "/api", KetbinWeb do
   #   pipe_through :api

lib/ketbin_web/templates/layout/app.html.heex

@@ -9,6 +9,55 @@
     <% else %>
       <title>Katbin</title>
     <% end %>
+    <title itemprop="name">Katbin</title>
+
+    <meta property="og:type" content="object">
+    <meta property="og:title" content="Katbin">
+    <meta property="og:image" content="/favicon.ico">
+
+    <meta name="twitter:title" content="Katbin">
+    <meta itemprop="name" content="Katbin">
+    <meta name="application-name" content="Katbin">
+    <meta property="og:site_name" content="Katbin">
+    <meta name="theme-color" content="#1a1a1a">
+    <meta property="og:locale" content="en">
+    <meta name="language" content="en">
+    <meta name="twitter:card" content="summary">
+    <meta name="twitter:site" content="@Spherical_Kat">
+    <meta name="twitter:image" content="/favicon.ico">
+
+    <meta name="robots" content="index,follow">
+    <meta name="googlebot" content="index,follow">
+    <meta name="keywords" content="paste,pastebin,url,urlshortener,url-shortener,code,programming,bin,cat,kat,paste,share,save,login">
+    <meta name="coverage" content="Worldwide">
+    <meta name="distribution" content="Global">
+    <meta name="HandheldFriendly" content="True">
+    <meta name="HandheldFriendly" content="True">
+    <meta name="apple-mobile-web-app-title" content="Katbin">
+    <meta name="apple-mobile-web-app-capable" content="yes">
+    <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
+    <meta name="apple-touch-fullscreen" content="yes">
+
+    <%= if assigns[:paste] do %>
+        <meta name="description" content={@paste.content}>
+        <meta itemprop="description" content={@paste.content}>
+        <meta property="og:description" content={@paste.content}>
+        <meta name="twitter:description" content={@paste.content}>
+
+        <meta name="url" content={"https://katb.in/#{@paste.id}"}>
+        <meta name="twitter:url" content={"https://katb.in/#{@paste.id}"}>
+        <meta property="og:url" content={"https://katb.in/#{@paste.id}"}>
+    <% else %>
+        <meta name="description" content="Paste, save, share! A pastebin and URL shortener for all your needs.">
+        <meta property="og:description" content="Paste, save, share! A pastebin and URL shortener for all your needs.">
+        <meta itemprop="og:description" content="Paste, save, share! A pastebin and URL shortener for all your needs.">
+        <meta name="twitter:description" content="Paste, save, share! A pastebin and URL shortener for all your needs.">
+
+        <meta name="url" content="https://katb.in">
+        <meta name="twitter:url" content="https://katb.in">
+        <meta property="og:url" content="https://katb.in">
+    <% end %>
+
     <link rel="stylesheet" href={ Routes.static_path(@conn, "/assets/app.css") }/>
     <script defer type="text/javascript" src={ Routes.static_path(@conn, "/assets/app.js") }></script>
   </head>

lib/ketbin_web/templates/page/edit.html.heex

@@ -1 +1 @@
-<%= render "form.html", Map.put(assigns, :action, Routes.page_path(@conn, :update, @paste)) %>
+<%= render "form.html", Map.put(assigns, :action, Routes.page_path(@conn, :update, @paste)) |> Map.put(:is_edit, true) %>

lib/ketbin_web/templates/page/form.html.heex

@@ -13,9 +13,20 @@
         </div>
     <% end %>
 
+    <%= if assigns[:already_taken] do %>
+        <div class="w-full text-center bg-amber">
+            <p>This custom URL has already been taken.</p>
+        </div>
+    <% end %>
+
     <div class="w-full h-full">
         <%= textarea f, :content, [class: "w-full h-full px-6 py-4 outline-none bg-light-grey font-bold resize-none", placeholder: "> Paste, save, share! (Pasting just a URL will shorten it!)"] %>
         <div class="flex absolute top-0 right-0 p-4">
+            <%= if @current_user && !assigns[:is_edit] do %>
+            <div>
+                <%= text_input f, :custom_url, [class: "px-2 mr-2 outline-none text-black px-2 py-1", placeholder: "Custom URL"]  %>
+            </div>
+            <% end %>
             <button type="submit">
                 <svg
 									class="h-6 w-6 cursor-pointer fill-current text-white hover:text-amber"

lib/ketbin_web/templates/page/shorten.html.heex

@@ -0,0 +1,16 @@
+<div class="flex relative flex-col w-full h-full">
+	<div class="flex absolute top-0 right-0 p-4">
+		<%= if @show_edit do%>
+			<a href={ Routes.page_path(@conn, :edit, @paste.id) } class="text-white hover:text-amber">
+			<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="h-6 w-6 cursor-pointer fill-current">
+				<path d="M3 17.46v3.04c0 .28.22.5.5.5h3.04c.13 0 .26-.05.35-.15L17.81 9.94l-3.75-3.75L3.15 17.1c-.1.1-.15.22-.15.36zM20.71 7.04a.996.996 0 0 0 0-1.41l-2.34-2.34a.996.996 0 0 0-1.41 0l-1.83 1.83 3.75 3.75 1.83-1.83z"></path>
+			</svg>
+		</a>
+		<% end %>
+	</div>
+	<div class="break-word px-6 py-4 h-full w-full overflow-y-auto">
+        <span>
+            Your shortened url is: <a href={Routes.page_path(@conn, :show, @paste.id) }>https://katb.in/<%= @paste.id %></a>
+        </span>
+    </div>
+</div>

lib/ketbin_web/views/api/paste_view.ex

@@ -0,0 +1,18 @@
+defmodule KetbinWeb.Api.PasteView do
+  use KetbinWeb, :view
+
+  def render("paste.json", %{paste: paste}) do
+    %{
+      id: paste.id,
+      content: paste.content,
+      is_url: paste.is_url
+    }
+  end
+
+  def render("error.json", _assigns) do
+    %{
+      success: false,
+      msg: "Something went wrong"
+    }
+  end
+end