Added timestamps to tweets and they organize by newest on top

assets/js/ash_types.ts

@@ -4,6 +4,7 @@
 
 
 export type UUID = string;
+export type UtcDateTimeUsec = string;
 
 // media Schema
 export type mediaResourceSchema = {
@@ -31,13 +32,15 @@ export type mediaAttributesOnlySchema = {
 // tweets Schema
 export type tweetsResourceSchema = {
   __type: "Resource";
-  __primitiveFields: "id" | "content" | "likes" | "userId" | "state" | "likedByMe";
+  __primitiveFields: "id" | "content" | "likes" | "userId" | "insertedAt" | "state" | "likedByMe" | "userEmail";
   id: UUID;
   content: string;
   likes: number;
   userId: UUID;
+  insertedAt: UtcDateTimeUsec;
   state: "posted" | "drafted";
   likedByMe: boolean;
+  userEmail: string | null;
   media: { __type: "Relationship"; __array: true; __resource: mediaResourceSchema; };
 };
 
@@ -45,11 +48,12 @@ export type tweetsResourceSchema = {
 
 export type tweetsAttributesOnlySchema = {
   __type: "Resource";
-  __primitiveFields: "id" | "content" | "likes" | "userId" | "state";
+  __primitiveFields: "id" | "content" | "likes" | "userId" | "insertedAt" | "state";
   id: UUID;
   content: string;
   likes: number;
   userId: UUID;
+  insertedAt: UtcDateTimeUsec;
   state: "posted" | "drafted";
 };
 
@@ -121,12 +125,29 @@ export type tweetsFilterInput = {
     in?: Array<UUID>;
   };
 
+  insertedAt?: {
+    eq?: UtcDateTimeUsec;
+    notEq?: UtcDateTimeUsec;
+    greaterThan?: UtcDateTimeUsec;
+    greaterThanOrEqual?: UtcDateTimeUsec;
+    lessThan?: UtcDateTimeUsec;
+    lessThanOrEqual?: UtcDateTimeUsec;
+    in?: Array<UtcDateTimeUsec>;
+  };
+
   state?: {
     eq?: "posted" | "drafted";
     notEq?: "posted" | "drafted";
     in?: Array<"posted" | "drafted">;
   };
 
+  userEmail?: {
+    eq?: string;
+    notEq?: string;
+    in?: Array<string>;
+    isNil?: boolean;
+  };
+
   likedByMe?: {
     eq?: boolean;
     notEq?: boolean;
@@ -141,14 +162,14 @@ export type tweetsFilterInput = {
 export const mediaFilterFields = ["id", "s3Key", "userId", "tweetId", "user", "tweet"] as const;
 export type mediaFilterField = (typeof mediaFilterFields)[number];
 
-export const tweetsFilterFields = ["id", "content", "likes", "userId", "state", "likedByMe", "user", "media"] as const;
+export const tweetsFilterFields = ["id", "content", "likes", "userId", "insertedAt", "state", "userEmail", "likedByMe", "user", "media"] as const;
 export type tweetsFilterField = (typeof tweetsFilterFields)[number];
 
 
 export const mediaSortFields = ["id", "s3Key", "userId", "tweetId"] as const;
 export type mediaSortField = (typeof mediaSortFields)[number];
 
-export const tweetsSortFields = ["id", "content", "likes", "userId", "state", "likedByMe"] as const;
+export const tweetsSortFields = ["id", "content", "likes", "userId", "insertedAt", "state", "userEmail", "likedByMe"] as const;
 export type tweetsSortField = (typeof tweetsSortFields)[number];
 
 

assets/js/index.tsx

@@ -33,6 +33,8 @@ type Tweet = {
   userId: string;
   state: string;
   media?: MediaItem[];
+  userEmail?: string | null;
+  insertedAt?: string | null;
 };
 
 // ── Auth context ───────────────────────────────────────────────────────────────
@@ -376,7 +378,7 @@ function TweetCard({ tweet }: { tweet: Tweet }) {
       </div>
       <div className="mx-tweet-body">
         <div className="mx-tweet-header">
-          <span className="mx-tweet-handle">@mixer</span>
+          <span className="mx-tweet-handle">{tweet.userEmail ?? "@mixer"}</span>
           <span className="mx-tweet-dot">·</span>
           <span className="mx-tweet-time">{timeAgo()}</span>
           {canModify && (
@@ -490,8 +492,8 @@ function Feed() {
     queryKey: ["tweets"],
     queryFn: async () => {
       const res = await readTweet({
-        fields: ["id", "content", "likes", "likedByMe", "userId", "state", { media: ["id", "s3Key"] }],
-        sort: "-id",
+        fields: ["id", "content", "likes", "likedByMe", "userId", "state", "userEmail", "insertedAt", { media: ["id", "s3Key"] }],
+        sort: "-insertedAt",
         headers: buildCSRFHeaders(),
       });
       if (!res.success) throw new Error("Failed to load tweets");

lib/mixer/posts/tweet.ex

@@ -129,6 +129,12 @@ defmodule Mixer.Posts.Tweet do
       allow_nil? false
       public? true
     end
+
+    create_timestamp :inserted_at do
+      public? true
+    end
+
+    update_timestamp :updated_at
   end
 
   relationships do
@@ -146,6 +152,12 @@ defmodule Mixer.Posts.Tweet do
     has_many :tweet_likes, Mixer.Posts.TweetLike
   end
 
+  calculations do
+    calculate :user_email, :string, expr(user.email) do
+      public? true
+    end
+  end
+
   aggregates do
     exists :liked_by_me, :tweet_likes do
       public? true

priv/repo/migrations/20260401154312_add_timestamps_to_tweets.exs

@@ -0,0 +1,28 @@
+defmodule Mixer.Repo.Migrations.AddTimestampsToTweets do
+  @moduledoc """
+  Updates resources based on their most recent snapshots.
+
+  This file was autogenerated with `mix ash_postgres.generate_migrations`
+  """
+
+  use Ecto.Migration
+
+  def up do
+    alter table(:tweets) do
+      add :inserted_at, :utc_datetime_usec,
+        null: false,
+        default: fragment("(now() AT TIME ZONE 'utc')")
+
+      add :updated_at, :utc_datetime_usec,
+        null: false,
+        default: fragment("(now() AT TIME ZONE 'utc')")
+    end
+  end
+
+  def down do
+    alter table(:tweets) do
+      remove :updated_at
+      remove :inserted_at
+    end
+  end
+end

priv/resource_snapshots/repo/tweets/20260401154313.json

@@ -0,0 +1,123 @@
+{
+  "attributes": [
+    {
+      "allow_nil?": false,
+      "default": "fragment(\"gen_random_uuid()\")",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": true,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "id",
+      "type": "uuid"
+    },
+    {
+      "allow_nil?": false,
+      "default": "nil",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": false,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "content",
+      "type": "text"
+    },
+    {
+      "allow_nil?": false,
+      "default": "0",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": false,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "likes",
+      "type": "bigint"
+    },
+    {
+      "allow_nil?": false,
+      "default": "nil",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": false,
+      "references": {
+        "deferrable": false,
+        "destination_attribute": "id",
+        "destination_attribute_default": null,
+        "destination_attribute_generated": null,
+        "index?": false,
+        "match_type": null,
+        "match_with": null,
+        "multitenancy": {
+          "attribute": null,
+          "global": null,
+          "strategy": null
+        },
+        "name": "tweets_user_id_fkey",
+        "on_delete": null,
+        "on_update": null,
+        "primary_key?": true,
+        "schema": "public",
+        "table": "users"
+      },
+      "scale": null,
+      "size": null,
+      "source": "user_id",
+      "type": "uuid"
+    },
+    {
+      "allow_nil?": false,
+      "default": "fragment(\"(now() AT TIME ZONE 'utc')\")",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": false,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "inserted_at",
+      "type": "utc_datetime_usec"
+    },
+    {
+      "allow_nil?": false,
+      "default": "fragment(\"(now() AT TIME ZONE 'utc')\")",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": false,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "updated_at",
+      "type": "utc_datetime_usec"
+    },
+    {
+      "allow_nil?": false,
+      "default": "\"drafted\"",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": false,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "state",
+      "type": "text"
+    }
+  ],
+  "base_filter": null,
+  "check_constraints": [],
+  "create_table_options": null,
+  "custom_indexes": [],
+  "custom_statements": [],
+  "has_create_action": true,
+  "hash": "5CA1873A0545807862B314C4E49F4E4538905E9BD3B40C33EE1AFE6ABD60538C",
+  "identities": [],
+  "multitenancy": {
+    "attribute": null,
+    "global": null,
+    "strategy": null
+  },
+  "repo": "Elixir.Mixer.Repo",
+  "schema": null,
+  "table": "tweets"
+}