Add 5ftf plugin from https://github.com/coreymckrill/5ftf

plugins/wporg-5ftf/includes/pledge-form.php

@@ -0,0 +1,89 @@
+<?php
+
+namespace WordPressDotOrg\FiveForTheFuture\PledgeForm;
+use WordPressDotOrg\FiveForTheFuture;
+use WordPressDotOrg\FiveForTheFuture\Company;
+use WordPressDotOrg\FiveForTheFuture\CompanyMeta;
+use WP_Error;
+
+defined( 'WPINC' ) || die();
+
+function render_shortcode( $attributes, $content ) {
+	$action   = filter_input( INPUT_POST, 'action' );
+	$messages = [];
+	$complete = false;
+	$html     = '';
+
+	if ( 'Submit' === $action ) {
+		$processed = process_form( $_POST );
+
+		if ( is_wp_error( $processed ) ) {
+			$messages = array_merge( $messages, $processed->get_error_messages() );
+		} elseif ( 'success' === $processed ) {
+			$complete = true;
+		}
+	}
+
+	if ( $complete ) {
+		$html = wpautop( __( 'Thank you for your submission.', 'wporg' ) );
+	} else {
+		ob_start();
+		require FiveForTheFuture\PATH . 'views/pledge-form.php';
+		$html = ob_get_clean();
+	}
+
+	return $html;
+}
+
+add_shortcode( 'five_for_the_future_pledge_form', __NAMESPACE__ . '\render_shortcode' );
+
+/**
+ *
+ *
+ * @param array $form_values
+ *
+ * @return string|WP_Error String "success" if the form processed correctly. Otherwise WP_Error.
+ */
+function process_form( array $form_values ) {
+	$required_fields = CompanyMeta\has_required_company_meta( $form_values );
+
+	if ( is_wp_error( $required_fields ) ) {
+		return $required_fields;
+	}
+
+	$name = sanitize_meta(
+		CompanyMeta\META_PREFIX . 'company-name',
+		$form_values['company-name'],
+		'post',
+		Company\CPT_SLUG
+	);
+
+	$created = create_new_company( $name );
+
+	if ( is_wp_error( $created ) ) {
+		return $created;
+	}
+
+	CompanyMeta\save_company_meta( $created, $form_values );
+	// save teams contirbuted to as terms
+
+	return 'success';
+}
+
+/**
+ *
+ *
+ * @param string $name The name of the company to use as the post title.
+ *
+ * @return int|WP_Error Post ID on success. Otherwise WP_Error.
+ */
+function create_new_company( $name ) {
+	$args = [
+		'post_type'   => Company\CPT_SLUG,
+		'post_title'  => $name,
+		'post_status' => 'pending',
+		'post_author' => get_current_user_id(), // TODO is this how we want to do this?
+	];
+
+	return wp_insert_post( $args, true );
+}