feat: Federate posts

README.md

@@ -2,19 +2,30 @@
 
 - [ ] Posting
     - [x] Making posts locally
-    - [ ] Figuring out follower list
-    - [ ] Sending to followers
+    - [x] Figuring out follower list
+    - [x] Sending to followers
+    - [ ] Post formatting
+    - [ ] Sending posts w/ images / videos
+    - [ ] Receiving posts w/ images / videos
 - [ ] Timeline
     - [x] My posts
     - [ ] Posts from accounts you follow
+    - [ ] Show the actor avatar and display name
 - [ ] Deleting posts
+- [ ] Profile
+    - [ ] Name field (for display name)
 - [x] Following
+    - [ ] Scrape public posts from the outbox when you follow
 - [ ] Unfollowing
 - [x] Being followed
 - [x] Accepting follows
 - [ ] Approving / declining follows and authorized instance list
 - [ ] Liking
 - [ ] Unliking
+- [ ] CW posts
+- [ ] Polls
+- [ ] DMs
+- [ ] Followers-only posts (or maybe this is handled because we only send posts to followers? but we also include public in the TO field?)
 
 ## UX
 
@@ -30,3 +41,6 @@
 - Approving / declining follows and authorized instance list
 - [ ] Liking
 - [ ] Unliking
+- [ ] CW posts
+- [ ] Polls
+- [ ] DMs

assets/tailwind.config.js

@@ -20,20 +20,21 @@ module.exports = {
   },
   plugins: [
     require("@tailwindcss/forms"),
+    require('@tailwindcss/typography'),
     // Allows prefixing tailwind classes with LiveView classes to add rules
     // only when LiveView classes are applied, for example:
     //
     //     <div class="phx-click-loading:animate-ping">
     //
-    plugin(({addVariant}) => addVariant("phx-no-feedback", [".phx-no-feedback&", ".phx-no-feedback &"])),
-    plugin(({addVariant}) => addVariant("phx-click-loading", [".phx-click-loading&", ".phx-click-loading &"])),
-    plugin(({addVariant}) => addVariant("phx-submit-loading", [".phx-submit-loading&", ".phx-submit-loading &"])),
-    plugin(({addVariant}) => addVariant("phx-change-loading", [".phx-change-loading&", ".phx-change-loading &"])),
+    plugin(({ addVariant }) => addVariant("phx-no-feedback", [".phx-no-feedback&", ".phx-no-feedback &"])),
+    plugin(({ addVariant }) => addVariant("phx-click-loading", [".phx-click-loading&", ".phx-click-loading &"])),
+    plugin(({ addVariant }) => addVariant("phx-submit-loading", [".phx-submit-loading&", ".phx-submit-loading &"])),
+    plugin(({ addVariant }) => addVariant("phx-change-loading", [".phx-change-loading&", ".phx-change-loading &"])),
 
     // Embeds Heroicons (https://heroicons.com) into your app.css bundle
     // See your `CoreComponents.icon/1` for more information.
     //
-    plugin(function({matchComponents, theme}) {
+    plugin(function ({ matchComponents, theme }) {
       let iconsDir = path.join(__dirname, "../deps/heroicons/optimized")
       let values = {}
       let icons = [
@@ -45,11 +46,11 @@ module.exports = {
       icons.forEach(([suffix, dir]) => {
         fs.readdirSync(path.join(iconsDir, dir)).forEach(file => {
           let name = path.basename(file, ".svg") + suffix
-          values[name] = {name, fullPath: path.join(iconsDir, dir, file)}
+          values[name] = { name, fullPath: path.join(iconsDir, dir, file) }
         })
       })
       matchComponents({
-        "hero": ({name, fullPath}) => {
+        "hero": ({ name, fullPath }) => {
           let content = fs.readFileSync(fullPath).toString().replace(/\r?\n|\r/g, "")
           let size = theme("spacing.6")
           if (name.endsWith("-mini")) {
@@ -69,7 +70,7 @@ module.exports = {
             "height": size
           }
         }
-      }, {values})
+      }, { values })
     })
   ]
 }

lib/postland/accounts/user.ex

@@ -3,6 +3,8 @@ defmodule Postland.Accounts.User do
   import Ecto.Changeset
 
   schema "users" do
+    field :name, :string
+    field :summary, :string
     field :username, :string
     field :password, :string, virtual: true, redact: true
     field :hashed_password, :string, redact: true
@@ -112,6 +114,11 @@ defmodule Postland.Accounts.User do
     change(user, confirmed_at: now)
   end
 
+  def profile_changeset(user, attrs) do
+    user
+    |> cast(attrs, [:name, :summary])
+  end
+
   @doc """
   Verifies the password.
 

lib/postland/activities.ex

@@ -13,6 +13,14 @@ defmodule Postland.Activities do
     id = Ecto.UUID.autogenerate()
     html = Earmark.as_html!(markdown)
 
+    # Standard Mastodon will display the following kinds of post formatting:
+    # bold, italics, strikethrough, ordered and unordered lists, blockquotes,
+    # inline code, fenced code blocks, headers. Headers are displayed as bold
+    # text in a separate paragraph.
+
+    # CW posts have a summary field which is the warning itself, a content
+    # field (like a non-CW post) that is the body, and a "sensitive" => true field
+
     activity =
       %{
         "@context" => [

lib/postland/timeline.ex

@@ -9,7 +9,7 @@ defmodule Postland.Timeline do
   end
 
   def attribution(activity) do
-    get_from_html_item(activity, "attributedTo")
+    Postland.Actors.actor(get_from_html_item(activity, "attributedTo"))
   end
 
   defp get_from_html_item(activity, field_name) do

lib/postland_web/components/core_components.ex

@@ -25,10 +25,10 @@ defmodule PostlandWeb.CoreComponents do
       <.form class="py-5" phx-submit="create_post" phx-change="change_post">
         <div class="flex items-start space-x-4">
           <div class="flex-shrink-0">
-            <img class="inline-block h-10 w-10 rounded-full" alt="" src="/images/avatar.png" />
+            <img class="inline-block h-16 w-16 rounded-full" alt="" src="/images/avatar.png" />
           </div>
           <div class="min-w-0 flex-1 relative">
-            <div class="overflow-hidden bg-white relative rounded-lg shadow-sm ring-1 ring-inset ring-gray-300 focus-within:ring-2 focus-within:ring-indigo-600">
+            <div class="overflow-hidden bg-white relative rounded-lg shadow-sm ring-1 ring-inset ring-gray-300 focus-within:ring-2 focus-within:ring-violet-600">
               <label for="post-body" class="sr-only">post body</label>
               <textarea
                 rows="3"
@@ -49,7 +49,7 @@ defmodule PostlandWeb.CoreComponents do
                   <div class="flex-shrink-0">
                     <button
                       type="submit"
-                      class="inline-flex items-center rounded-md bg-indigo-600 px-3 py-2 text-sm font-semibold text-white shadow-sm hover:bg-indigo-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600"
+                      class="inline-flex items-center rounded-md bg-violet-600 px-3 py-2 text-sm font-semibold text-white shadow-sm hover:bg-violet-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-violet-600"
                     >
                       Post
                     </button>
@@ -65,16 +65,37 @@ defmodule PostlandWeb.CoreComponents do
   end
 
   def post_card(assigns) do
+    author = Postland.Timeline.attribution(assigns.post)
+
+    %{host: host} =
+      case author do
+        %{"id" => id} ->
+          URI.parse(id)
+
+        nil ->
+          %{host: "<<nil>>"}
+      end
+
+    assigns =
+      assigns
+      |> Map.put(:author, author)
+      |> Map.put(:author_host, host)
+
     ~H"""
     <div class="flex items-start space-x-4 w-full">
       <div class="flex-shrink-0">
-        <img class="inline-block h-10 w-10 rounded-full" alt="" src="/images/avatar.png" />
+        <img class="inline-block h-16 w-16 rounded-full" alt="" src="/images/avatar.png" />
       </div>
       <div class="divide-y flex-grow divide-gray-200 overflow-hidden rounded-lg bg-white shadow">
         <div class="px-4 py-4 sm:px-6">
-          <%= Postland.Timeline.attribution(@post) %>
+          <span class="font-bold">
+            <%= @author["name"] %>
+          </span>
+          <span class="ml-2 text-gray-500">
+            @<%= @author["preferredUsername"] %>@<%= @author_host %>
+          </span>
         </div>
-        <div class="px-4 py-5 sm:p-6">
+        <div class="px-4 py-5 sm:p-6 prose">
           <%= {:safe, Postland.Timeline.html_content(@post)} %>
         </div>
         <div class="px-4 py-4 sm:px-6">

lib/postland_web/components/layouts/root.html.heex

@@ -11,20 +11,20 @@
     <script defer phx-track-static type="text/javascript" src={~p"/assets/app.js"}>
     </script>
   </head>
-  <body class="bg-purple-50 antialiased">
-    <header class="flex w-full bg-purple-950 text-purple-100 py-4">
+  <body class="bg-violet-50 antialiased">
+    <header class="flex w-full bg-violet-700 text-violet-100 py-4">
       <div class="flex-1 px-4 uppercase font-bold ">
-        Postland
+        <a href={~p"/"}>Postland</a>
       </div>
       <ul class="relative z-10 flex flex-1 items-center gap-4 px-4 sm:px-6 lg:px-8 justify-end">
         <%= if @current_user do %>
-          <li class="text-[0.8125rem] leading-6">
-            <%= @current_user.username %>
+          <li class="text-[0.8125rem] leading-6 font-semibold hover:text-violet-300">
+            <a href={~p"/about"}>Profile</a>
           </li>
           <li>
             <.link
               href={~p"/users/settings"}
-              class="text-[0.8125rem] leading-6 font-semibold hover:text-purple-300"
+              class="text-[0.8125rem] leading-6 font-semibold hover:text-violet-300"
             >
               Settings
             </.link>
@@ -33,7 +33,7 @@
             <.link
               href={~p"/users/log_out"}
               method="delete"
-              class="text-[0.8125rem] leading-6 font-semibold hover:text-purple-300"
+              class="text-[0.8125rem] leading-6 font-semibold hover:text-violet-300"
             >
               Log out
             </.link>
@@ -42,7 +42,7 @@
           <li>
             <.link
               href={~p"/users/log_in"}
-              class="text-[0.8125rem] leading-6 font-semibold hover:text-purple-300"
+              class="text-[0.8125rem] leading-6 font-semibold hover:text-violet-300"
             >
               Log in
             </.link>

lib/postland_web/live/profile_live.ex

@@ -1,9 +1,69 @@
 defmodule PostlandWeb.ProfileLive do
   use PostlandWeb, :live_view
 
+  alias Postland.Accounts.User
+  alias Postland.Repo
+
   def render(assigns) do
     ~H"""
-    <div>Nothing here yet.</div>
+    <div class="flex items-start space-x-4">
+      <img class="h-16 w-16 rounded-full" src={url(~p"/images/avatar.png")} alt="" />
+      <div class="flex flex-col bg-white rounded-lg shadow container">
+        <.form for={@form} id="profile-form" phx-change="validate" phx-submit="submit">
+          <div class="p-4">
+            <h2 :if={!@editing} class="font-bold"><%= @account.name %></h2>
+            <.input :if={@editing} field={@form[:name]} label="Display Name" />
+            <span :if={!@editing} class="text-gray-500">
+              @<%= @account.username %>@<%= @host %>
+            </span>
+          </div>
+          <hr />
+          <div class="p-4">
+            <p :if={!@editing} class="text-gray-500 text-sm">
+              <%= {:safe, Earmark.as_html!(@account.summary || "")} %>
+            </p>
+            <.input :if={@editing} field={@form[:summary]} type="textarea" label="Bio" />
+          </div>
+        </.form>
+        <hr />
+        <div :if={assigns[:current_user]} class="text-right p-4">
+          <.button :if={!@editing} phx-click="edit">Edit Profile</.button>
+          <.button :if={@editing} phx-click="edit" form="profile-form">Save Profile</.button>
+        </div>
+      </div>
+    </div>
     """
   end
+
+  def mount(_params, _session, socket) do
+    %{host: host} = URI.parse(Postland.my_actor_id())
+    account = Postland.Accounts.solo_user()
+    form = account |> User.profile_changeset(%{}) |> to_form()
+    {:ok, assign(socket, account: account, host: host, editing: false, form: form)}
+  end
+
+  def handle_event("edit", _, socket) do
+    {:noreply, assign(socket, :editing, true)}
+  end
+
+  def handle_event("validate", params, socket) do
+    changeset = User.profile_changeset(socket.assigns.account, params)
+    form = to_form(changeset)
+    {:noreply, assign(socket, form: form)}
+  end
+
+  def handle_event("submit", %{"user" => params}, socket) do
+    changeset = User.profile_changeset(socket.assigns.account, params)
+
+    case Repo.update(changeset) do
+      {:ok, account} ->
+        form = account |> User.profile_changeset(%{}) |> to_form()
+        {:noreply, assign(socket, account: account, editing: false, form: form)}
+
+      {:error, changeset} ->
+        form = to_form(changeset)
+
+        {:noreply, socket |> put_flash(:error, "An error occurred.") |> assign(form: form)}
+    end
+  end
 end

lib/postland_web/router.ex

@@ -34,8 +34,11 @@ defmodule PostlandWeb.Router do
   scope "/", PostlandWeb do
     pipe_through [:browser, :redirect_if_not_set_up]
 
+    live_session :mount_current_user,
+      on_mount: [{PostlandWeb.UserAuth, :mount_current_user}] do
       live "/about", ProfileLive, :show
     end
+  end
 
   # Other scopes may use custom stacks.
   # scope "/api", PostlandWeb do

priv/repo/migrations/20241024233705_add_name_to_users.exs

@@ -0,0 +1,10 @@
+defmodule Postland.Repo.Migrations.AddNameToUsers do
+  use Ecto.Migration
+
+  def change do
+    alter table("users") do
+      add :name, :string
+      add :summary, :text
+    end
+  end
+end