From a6406abc52a58d0cac5dd3ab0861a5e47d298640 Mon Sep 17 00:00:00 2001
From: Anthony Fu <anthonyfu117@hotmail.com>
Date: Wed, 30 Nov 2022 08:47:54 +0800
Subject: [PATCH] feat: grouped follow notification

---
 components/common/CommonPaginator.vue         | 38 +++++++------
 .../NotificationGroupedFollow.vue             | 38 +++++++++++++
 .../notification/NotificationPaginator.vue    | 57 +++++++++++++++++--
 locales/en-US.json                            |  1 +
 locales/zh-CN.json                            |  1 +
 types/index.ts                                |  8 ++-
 6 files changed, 118 insertions(+), 25 deletions(-)
 create mode 100644 components/notification/NotificationGroupedFollow.vue

diff --git a/components/common/CommonPaginator.vue b/components/common/CommonPaginator.vue
index bb742a2f..e035b916 100644
--- a/components/common/CommonPaginator.vue
+++ b/components/common/CommonPaginator.vue
@@ -29,24 +29,26 @@ const { items, prevItems, update, state, endAnchor, error } = usePaginator(pagin
 <template>
   <div>
     <slot v-if="prevItems.length" name="updater" v-bind="{ number: prevItems.length, update }" />
-    <template v-if="virtualScroller">
-      <DynamicScroller
-        v-slot="{ item, active }"
-        :items="items"
-        :min-item-size="200"
-        :key-field="keyProp"
-        page-mode
-      >
-        <slot :item="item" :active="active" />
-      </DynamicScroller>
-    </template>
-    <template v-else>
-      <slot
-        v-for="item of items"
-        :key="item[keyProp]"
-        :item="item"
-      />
-    </template>
+    <slot name="items" :items="items">
+      <template v-if="virtualScroller">
+        <DynamicScroller
+          v-slot="{ item, active }"
+          :items="items"
+          :min-item-size="200"
+          :key-field="keyProp"
+          page-mode
+        >
+          <slot :item="item" :active="active" />
+        </DynamicScroller>
+      </template>
+      <template v-else>
+        <slot
+          v-for="item of items"
+          :key="item[keyProp]"
+          :item="item"
+        />
+      </template>
+    </slot>
     <div ref="endAnchor" />
     <slot v-if="state === 'loading'" name="loading">
       <div p5 text-center flex="~ col" items-center animate-pulse>
diff --git a/components/notification/NotificationGroupedFollow.vue b/components/notification/NotificationGroupedFollow.vue
new file mode 100644
index 00000000..9d7885b6
--- /dev/null
+++ b/components/notification/NotificationGroupedFollow.vue
@@ -0,0 +1,38 @@
+<script setup lang="ts">
+import type { GroupedNotifications } from '~/types'
+
+const { items } = defineProps<{
+  items: GroupedNotifications
+}>()
+
+const count = computed(() => items.items.length)
+const isExpanded = ref(false)
+</script>
+
+<template>
+  <article flex flex-col>
+    <div flex ml-4 items-center>
+      <div i-ri:user-follow-fill mr-3 color-primary />
+      {{ $t('notification.followed_you_count', [`${count}`]) }}
+    </div>
+    <div v-if="isExpanded">
+      <AccountCard
+        v-for="item in items.items"
+        :key="item.id"
+        :account="item.account"
+        p3
+      />
+    </div>
+    <div v-else flex="~ wrap gap-1" p4>
+      <AccountHoverWrapper
+        v-for="item in items.items"
+        :key="item.id"
+        :account="item.account"
+      >
+        <NuxtLink :to="getAccountPath(item.account)">
+          <AccountAvatar :account="item.account" w-8 h-8 />
+        </NuxtLink>
+      </AccountHoverWrapper>
+    </div>
+  </article>
+</template>
diff --git a/components/notification/NotificationPaginator.vue b/components/notification/NotificationPaginator.vue
index cc123906..65f34440 100644
--- a/components/notification/NotificationPaginator.vue
+++ b/components/notification/NotificationPaginator.vue
@@ -1,19 +1,64 @@
 <script setup lang="ts">
 import type { Notification, Paginator } from 'masto'
+import type { GroupedNotifications } from '~/types'
 
 const { paginator } = defineProps<{
   paginator: Paginator<any, Notification[]>
 }>()
+
+function groupItems(items: Notification[]): (Notification | GroupedNotifications)[] {
+  const results: (Notification | GroupedNotifications)[] = []
+
+  let id = 0
+  let followGroup: Notification[] = []
+
+  const bump = () => {
+    if (followGroup.length === 1) {
+      results.push(followGroup[0])
+      followGroup = []
+    }
+    else if (followGroup.length > 0) {
+      results.push({
+        id: `grouped-${id++}`,
+        type: 'grouped-follow',
+        items: followGroup,
+      })
+      followGroup = []
+    }
+  }
+
+  for (const item of items) {
+    if (item.type === 'follow') {
+      followGroup.push(item)
+    }
+    else {
+      bump()
+      results.push(item)
+    }
+  }
+
+  bump()
+
+  return results
+}
 </script>
 
 <template>
   <CommonPaginator :paginator="paginator">
-    <template #default="{ item }">
-      <NotificationCard
-        :notification="item"
-        hover:bg-active
-        border="b base" pt-4
-      />
+    <template #items="{ items }">
+      <template v-for="item of groupItems(items)" :key="item.id">
+        <NotificationGroupedFollow
+          v-if="item.type === 'grouped-follow'"
+          :items="item"
+          border="b base" pt-4
+        />
+        <NotificationCard
+          v-else
+          :notification="item"
+          hover:bg-active
+          border="b base" pt-4
+        />
+      </template>
     </template>
   </CommonPaginator>
 </template>
diff --git a/locales/en-US.json b/locales/en-US.json
index d866c4aa..bc8004d0 100644
--- a/locales/en-US.json
+++ b/locales/en-US.json
@@ -84,6 +84,7 @@
   "notification": {
     "favourited_post": "favourited your post",
     "followed_you": "followed you",
+    "followed_you_count": "{0} persons followed you",
     "missing_type": "MISSING notification.type:",
     "reblogged_post": "reblogged your post",
     "request_to_follow": "requested to follow you",
diff --git a/locales/zh-CN.json b/locales/zh-CN.json
index 46473311..aa7dfd00 100644
--- a/locales/zh-CN.json
+++ b/locales/zh-CN.json
@@ -84,6 +84,7 @@
   "notification": {
     "favourited_post": "点赞了你的帖文",
     "followed_you": "关注了你",
+    "followed_you_count": "{0} 人关注了你",
     "missing_type": "未知的通知类型：",
     "reblogged_post": "转发了你的帖文",
     "request_to_follow": "请求关注你",
diff --git a/types/index.ts b/types/index.ts
index 80dd8700..ca95d383 100644
--- a/types/index.ts
+++ b/types/index.ts
@@ -1,4 +1,4 @@
-import type { AccountCredentials, Emoji, Instance } from 'masto'
+import type { AccountCredentials, Emoji, Instance, Notification } from 'masto'
 
 export interface AppInfo {
   id: string
@@ -23,3 +23,9 @@ export interface ServerInfo extends Instance {
   timeUpdated: number
   customEmojis?: Record<string, Emoji>
 }
+
+export interface GroupedNotifications {
+  id: string
+  type: string
+  items: Notification[]
+}