feature: first pass on replies

refactor: move more smarts in the smartforms around

public/tabs/forum/new_post.html

@@ -0,0 +1,82 @@
+<div class="new-post-container">
+	<label>
+		<input type="checkbox" collapse-toggle />
+		<i class="icon plus" style="display: inline-block; margin-right: 0.5rem"></i>
+		<span>New Post</span>
+	</label>
+	<form
+		data-smart="true"
+		data-requires-permission="topics.posts.create"
+		method="POST"
+		class="post-creation-form collapsible"
+		style="
+			margin-top: 1rem
+			width: 100%;
+			transition: all 0.5s;
+		"
+		on_reply="(post) => { append_posts([post]); }"
+		on_parsed="(post) => { render_post(post); document.getElementById('post-' + post.id)?.classList.add('sending'); }"
+	>
+		<input type="hidden" name="type" value="post" />
+
+		<input
+			type="hidden"
+			name="id"
+			generator="(_input, form) => 'TEMP-' + form.__submitted_at.toISOString()"
+			reset-on-submit
+		/>
+		<input
+			type="hidden"
+			name="meta.temp_id"
+			generator="(_input, form) => 'TEMP-' + form.__submitted_at.toISOString()"
+			reset-on-submit
+		/>
+
+		<input
+			type="hidden"
+			name="timestamps.created"
+			generator="(_input, form) => form.__submitted_at.toISOString()"
+			reset-on-submit
+		/>
+		<input
+			type="hidden"
+			name="timestamps.updated"
+			generator="(_input, form) => form.__submitted_at.toISOString()"
+			reset-on-submit
+		/>
+
+		<input
+			type="hidden"
+			name="parent_id"
+			generator="(_input, form) => { debugger; const parent_post = form.closest( '.post-container' ); return parent_post?.dataset?.post_id; }"
+		/>
+
+		<input
+			class="new-post-subject"
+			type="text"
+			name="data.subject"
+			value=""
+			placeholder="Post subject..."
+			style="margin-bottom: 1rem"
+			reset-on-submit
+		/>
+		<label>
+			<input
+				aria-label="Upload and share file"
+				type="file"
+				multiple
+				data-smartforms-save-to-home="true"
+				reset-on-submit
+			/>
+			<div class="icon attachment"></div>
+		</label>
+		<textarea
+			type="text"
+			name="data.content"
+			value=""
+			placeholder=" ... "
+			reset-on-submit
+		></textarea>
+		<input type="submit" value="Post" />
+	</form>
+</div>