Implement user online status

Resolve #7422
Fix #7424

src/client/pages/settings/privacy.vue

@@ -5,6 +5,10 @@
 		<FormSwitch v-model:value="autoAcceptFollowed" :disabled="!isLocked" @update:value="save()">{{ $ts.autoAcceptFollowed }}</FormSwitch>
 		<template #caption>{{ $ts.lockedAccountInfo }}</template>
 	</FormGroup>
+	<FormSwitch v-model:value="hideOnlineStatus" @update:value="save()">
+		{{ $ts.hideOnlineStatus }}
+		<template #desc>{{ $ts.hideOnlineStatusDescription }}</template>
+	</FormSwitch>
 	<FormSwitch v-model:value="noCrawle" @update:value="save()">
 		{{ $ts.noCrawle }}
 		<template #desc>{{ $ts.noCrawleDescription }}</template>
@@ -58,6 +62,7 @@ export default defineComponent({
 			autoAcceptFollowed: false,
 			noCrawle: false,
 			isExplorable: false,
+			hideOnlineStatus: false,
 		}
 	},
 
@@ -72,6 +77,7 @@ export default defineComponent({
 		this.autoAcceptFollowed = this.$i.autoAcceptFollowed;
 		this.noCrawle = this.$i.noCrawle;
 		this.isExplorable = this.$i.isExplorable;
+		this.hideOnlineStatus = this.$i.hideOnlineStatus;
 	},
 
 	mounted() {
@@ -85,6 +91,7 @@ export default defineComponent({
 				autoAcceptFollowed: !!this.autoAcceptFollowed,
 				noCrawle: !!this.noCrawle,
 				isExplorable: !!this.isExplorable,
+				hideOnlineStatus: !!this.hideOnlineStatus,
 			});
 		}
 	}