rework boost visibility #388

* only show allowed visibilities
* "local only" is a switch

notice that the backend will limit the visibility, too

packages/frontend/src/scripts/boost-quote.ts

@@ -0,0 +1,81 @@
+/*
+ * SPDX-FileCopyrightText: dakkar and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+*/
+
+import { ref, Ref } from 'vue';
+import * as Misskey from 'misskey-js';
+import { i18n } from '@/i18n.js';
+import { defaultStore } from '@/store.js';
+import { MenuItem } from '@/types/menu.js';
+
+/*
+	this script should eventually contain all Sharkey-specific bits of
+	boosting and quoting that we would otherwise have to replicate in
+	`{M,S}kNote{,Detailed,Sub}.vue`
+ */
+
+export type Visibility = 'public' | 'home' | 'followers' | 'specified';
+
+export function smallerVisibility(a: Visibility | string, b: Visibility | string): Visibility {
+	if (a === 'specified' || b === 'specified') return 'specified';
+	if (a === 'followers' || b === 'followers') return 'followers';
+	if (a === 'home' || b === 'home') return 'home';
+	// if (a === 'public' || b === 'public')
+	return 'public';
+}
+
+export function visibilityIsAtLeast(a: Visibility | string, b: Visibility | string): boolean {
+	return smallerVisibility(a, b) === b;
+}
+
+export function boostMenuItems(appearNote: Ref<Misskey.entities.Note>, renote: (v: Visibility, l: boolean) => void): MenuItem[] {
+	const localOnly = ref(defaultStore.state.rememberNoteVisibility ? defaultStore.state.localOnly : defaultStore.state.defaultNoteLocalOnly);
+	const effectiveVisibility = (
+		appearNote.value.channel?.isSensitive
+			? smallerVisibility(appearNote.value.visibility, 'home')
+			: appearNote.value.visibility
+	);
+
+	const menuItems: MenuItem[] = [];
+	if (visibilityIsAtLeast(effectiveVisibility, 'public')) {
+		menuItems.push({
+			type: 'button',
+			icon: 'ph-globe-hemisphere-west ph-bold ph-lg',
+			text: i18n.ts._visibility['public'],
+			action: () => {
+				renote('public', localOnly.value);
+			},
+		} as MenuItem);
+	}
+	if (visibilityIsAtLeast(effectiveVisibility, 'home')) {
+		menuItems.push({
+			type: 'button',
+			icon: 'ph-house ph-bold ph-lg',
+			text: i18n.ts._visibility['home'],
+			action: () => {
+				renote('home', localOnly.value);
+			},
+		} as MenuItem);
+	}
+	if (visibilityIsAtLeast(effectiveVisibility, 'followers')) {
+		menuItems.push({
+			type: 'button',
+			icon: 'ph-lock ph-bold ph-lg',
+			text: i18n.ts._visibility['followers'],
+			action: () => {
+				renote('followers', localOnly.value);
+			},
+		} as MenuItem);
+	}
+
+	return [
+		...menuItems,
+		{
+			type: 'switch',
+			icon: 'ph-planet ph-bold ph-lg',
+			text: i18n.ts._timelines.local,
+			ref: localOnly,
+		} as MenuItem,
+	];
+}