uploads: add /upload_media_assets index page.

This page shows each individual file you've uploaded. This is different
from the regular uploads page because files in multi-file uploads are
not grouped together.

app/controllers/upload_media_assets_controller.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+class UploadMediaAssetsController < ApplicationController
+  respond_to :html, :xml, :json, :js
+
+  def index
+    @upload_media_assets = authorize UploadMediaAsset.visible(CurrentUser.user).includes(media_asset: :post, upload: :uploader).where(upload: { uploader: CurrentUser.user }).paginated_search(params, count_pages: true)
+    respond_with(@upload_media_assets)
+  end
+
+  def show
+    @upload_media_asset = authorize UploadMediaAsset.find(params[:id])
+    @media_asset = @upload_media_asset.media_asset
+
+    if request.format.html? && @media_asset&.post&.present?
+      flash[:notice] = "Duplicate of post ##{@media_asset.post.id}"
+      redirect_to @media_asset.post
+    else
+      respond_with(@upload_media_asset)
+    end
+  end
+end

app/models/upload_media_asset.rb

@@ -11,6 +11,14 @@ class UploadMediaAsset < ApplicationRecord
     failed: 300,
   }
 
+  def self.visible(user)
+    if user.is_admin?
+      all
+    else
+      where(upload: { uploader: user })
+    end
+  end
+
   def self.search(params)
     q = search_attributes(params, :id, :created_at, :updated_at, :status, :source_url, :page_url, :error, :upload, :media_asset)
     q.apply_default_order(params)

app/policies/upload_media_asset_policy.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class UploadMediaAssetPolicy < ApplicationPolicy
+  def show?
+    user.is_admin? || record.upload.uploader_id == user.id
+  end
+end

app/views/upload_media_assets/_gallery.html.erb

@@ -0,0 +1,7 @@
+<%= render(MediaAssetGalleryComponent.new) do |gallery| %>
+  <% upload_media_assets.each do |upload_media_asset| %>
+    <% gallery.media_asset do %>
+      <%= render "upload_media_assets/preview", upload_media_asset: upload_media_asset, size: gallery.size %>
+    <% end %>
+  <% end %>
+<% end %>

app/views/upload_media_assets/_preview.html.erb

@@ -0,0 +1,27 @@
+<% media_asset = upload_media_asset.media_asset %>
+
+<%= render MediaAssetPreviewComponent.new(media_asset: media_asset, size: size, link_target: [upload_media_asset.upload, upload_media_asset]) do |preview| %>
+  <% preview.missing_image do %>
+    <% if upload_media_asset.failed? %>
+      Failed
+    <% else %>
+      Loading
+    <% end %>
+  <% end %>
+
+  <% preview.footer do %>
+    <div class="text-center text-muted text-xs h-12">
+      <% if media_asset&.post.present? %>
+        <div class="leading-none">
+          <%= link_to "post ##{media_asset.post.id}", media_asset.post, class: "leading-none" %>
+        </div>
+      <% end %>
+
+      <% if upload_media_asset.source_url.present? %>
+        <%= external_link_to upload_media_asset.source_url, Addressable::URI.parse(upload_media_asset.source_url).domain %>
+      <% else %>
+        <em>No source</em>
+      <% end %>
+    </div>
+  <% end %>
+<% end %>

app/views/upload_media_assets/index.html.erb

@@ -0,0 +1,16 @@
+<div id="c-upload-media-assets">
+  <div id="a-index">
+    <div class="flex items-center mb-2">
+      <h1 class="flex-1">My Uploads</h1>
+
+      <span>
+        <strong>Gallery</strong> |
+        <%= link_to "Table", uploads_path(mode: "table") %>
+      </span>
+    </div>
+
+    <%= render "upload_media_assets/gallery", upload_media_assets: @upload_media_assets %>
+
+    <%= numbered_paginator(@upload_media_assets) %>
+  </div>
+</div>

config/routes.rb

@@ -252,7 +252,9 @@ Rails.application.routes.draw do
       get :batch
       get :image_proxy
     end
+    resources :upload_media_assets, only: [:show, :index], path: "assets"
   end
+  resources :upload_media_assets, only: [:show, :index]
   resources :users do
     resources :favorites, only: [:index, :create, :destroy]
     resources :favorite_groups, controller: "favorite_groups", only: [:index], as: "favorite_groups"