#1 型定義が未完成だが，動作は問題ないと思ãはれるため本番に移す．

.gitmodules

@@ -1,4 +1,3 @@
-[submodule "ai"]
-	path = ai
-	url = https://git.miteruzo.com/miteruzo/nizika_broadcast
-	branch = main
+[submodule "nizika_nico"]
+	path = nizika_nico
+	url = https://git.miteruzo.com/miteruzo/nizika_nico

atproto.pyi

@@ -0,0 +1,49 @@
+from datetime import datetime
+
+from atproto import models
+
+
+class Client:
+    app:    AppNamespace
+
+    def get_current_time_iso (self) -> datetime: ...
+
+    def get_post_thread (
+            self,
+            uri:            str,
+            parent_height:  int | None  = None
+    ) -> Response: ...
+
+    def follow (self, did: str) -> None: ...
+
+
+class AppNamespace:
+    bsky:   AppBskyNamespace
+
+
+class AppBskyNamespace:
+    notification:   AppBskyNotificationNamespace
+
+
+class AppBskyNotificationNamespace:
+    def list_notifications (self) -> Response: ...
+
+    def update_seen (self, seen: dict[str, datetime]) -> None: ...
+
+
+class Response:
+    notifications:  list[Notification]
+    thread:         (ThreadViewPost
+                     | models.AppBskyFeedDefs.NotFoundPost
+                     | models.AppBskyFeedDefs.BlockedPost)
+
+
+class Notification:
+    is_read:    bool
+    reason:     str
+    uri:        str
+    author:     ProfileView
+
+
+class ProfileView:
+    did:    str

db

@@ -0,0 +1 @@
+nizika_nico/db

eloquent.pyi

@@ -0,0 +1 @@
+db/eloquent.pyi

main.py

@@ -4,9 +4,12 @@ Bluesky のニジカがいろいろする．
 """
 
 import io
+import random
 import sys
 import time
-from datetime import datetime, timedelta
+from datetime import date, datetime
+from datetime import time as dt_time
+from datetime import timedelta
 from typing import cast
 
 import requests
@@ -67,6 +70,12 @@ def main (
 
     client.login (account.USER_ID, account.PASSWORD)
 
+    got_kiriban_at: date = datetime.now ().date () - timedelta (days = datetime.now ().hour < 15)
+    kiriban_list: list[tuple[int, nico.VideoInfo]] = nico.get_kiriban_list (got_kiriban_at)
+    kiriban_interval: timedelta = ((get_kiriban_dt_to_update () - datetime.now ())
+                                   / len (kiriban_list))
+    next_kiriban_at = datetime.now ()
+
     last_posted_at = datetime.now () - timedelta (hours = 6)
     has_got_snack_time = False
     has_taken_hot_spring = False
@@ -99,6 +108,36 @@ def main (
                                  parent = records[0]['strong_ref'],
                                  root   = records[-1]['strong_ref']))
 
+        if kiriban_list and datetime.now () >= next_kiriban_at:
+            (views_count, video_info) = (
+                    kiriban_list.pop (random.randint (0, len (kiriban_list) - 1)))
+            uri = f"https://www.nicovideo.jp/watch/{ video_info['contentId'] }"
+            (title, description, thumbnail) = get_embed_info (uri)
+            try:
+                upload = client.com.atproto.repo.upload_blob (
+                        io.BytesIO (requests.get (thumbnail,
+                                                  timeout = 60).content))
+                thumb = upload.blob
+            except Timeout:
+                thumb = None
+            embed_external = models.AppBskyEmbedExternal.Main (
+                    external = models.AppBskyEmbedExternal.External (
+                        title       = title,
+                        description = description,
+                        thumb       = thumb,
+                        uri         = uri))
+            client.post (Talk.main (f"""
+ニコニコの『{ video_info['title'] }』という動画が{ views_count }再生を突破しました。
+つけられたタグは「{ '」、「'.join (video_info['tags']) }」です。
+概要には次のように書かれています：
+```html
+{ video_info['description'] }
+```
+このことについて、ニジカちゃんからのお祝いメッセージを下さい。"""),
+                         embed = embed_external)
+            next_kiriban_at += kiriban_interval
+            last_posted_at = now
+
         latest_deerjika = nico.get_latest_deerjika ()
         if latest_deerjika is not None:
             for datum in [e for e in [latest_deerjika]
@@ -135,29 +174,37 @@ def main (
         if now.hour == 14 and has_got_snack_time:
             has_got_snack_time = False
 
-        if now.hour == 15 and not has_got_snack_time:
-            try:
-                with open ('./assets/snack-time.jpg', 'rb') as f:
-                    image = models.AppBskyEmbedImages.Image (
-                            alt   = ('左に喜多ちゃん、右に人面鹿のニジカが'
-                                     'V字に並んでいる。'
-                                     '喜多ちゃんは右手でピースサインをして'
-                                     '片目をウインクしている。'
-                                     'ニジカは両手を広げ、'
-                                     '右手にスプーンを持って'
-                                     'ポーズを取っている。'
-                                     '背景には'
-                                     '赤と黄色の放射線状の模様が広がり、'
-                                     '下部に「おやつタイムだ!!!!」という'
-                                     '日本語のテキストが表示されている。'),
-                            image = client.com.atproto.repo.upload_blob (f).blob)
-                client.post (Talk.main ('おやつタイムだ!!!!'),
-                             embed = models.app.bsky.embed.images.Main (
-                                 images = [image]))
-                last_posted_at = now
-            except Exception:
-                pass
-            has_got_snack_time = True
+        if now.hour == 15:
+            if got_kiriban_at < datetime.now ().date ():
+                kiriban_list = nico.get_kiriban_list (datetime.now ().date ())
+                got_kiriban_at = datetime.now ().date ()
+                kiriban_interval = ((get_kiriban_dt_to_update () - datetime.now ())
+                                    / len (kiriban_list))
+                next_kiriban_at = datetime.now ()
+
+            if not has_got_snack_time:
+                try:
+                    with open ('./assets/snack-time.jpg', 'rb') as f:
+                        image = models.AppBskyEmbedImages.Image (
+                                alt   = ('左に喜多ちゃん、右に人面鹿のニジカが'
+                                         'V字に並んでいる。'
+                                         '喜多ちゃんは右手でピースサインをして'
+                                         '片目をウインクしている。'
+                                         'ニジカは両手を広げ、'
+                                         '右手にスプーンを持って'
+                                         'ポーズを取っている。'
+                                         '背景には'
+                                         '赤と黄色の放射線状の模様が広がり、'
+                                         '下部に「おやつタイムだ!!!!」という'
+                                         '日本語のテキストが表示されている。'),
+                                image = client.com.atproto.repo.upload_blob (f).blob)
+                    client.post (Talk.main ('おやつタイムだ!!!!'),
+                                 embed = models.app.bsky.embed.images.Main (
+                                     images = [image]))
+                    last_posted_at = now
+                except Exception:
+                    pass
+                has_got_snack_time = True
 
         if now.hour == 20 and has_taken_hot_spring:
             has_taken_hot_spring = False
@@ -192,7 +239,6 @@ def main (
         time.sleep (60)
 
 
-
 def get_embed_info (
         url:    str
 ) -> tuple[str, str, str]:
@@ -231,5 +277,15 @@ def get_embed_info (
     return (title, description, thumbnail)
 
 
+def get_kiriban_dt_to_update (
+) -> datetime:
+    now = datetime.now ()
+    today = now.date ()
+    dt = datetime.combine (today, dt_time (15, 0))
+    if dt <= now:
+        dt += timedelta (days = 1)
+    return dt
+
+
 if __name__ == '__main__':
     main (*sys.argv[1:])

nico.py

@@ -2,11 +2,32 @@
 ニコニコのニジカ動画取得モヂュール
 """
 
-from typing import TypedDict
+import os
+from datetime import date, timedelta
+from typing import TypedDict, cast
 
 import requests
 from bs4 import BeautifulSoup
 from requests.exceptions import Timeout
+from eloquent import DatabaseManager, Model
+
+from db.models import Tag, Video, VideoHistory, VideoTag
+
+CONFIG: dict[str, DbConfig] = { 'mysql': { 'driver':    'mysql',
+                                           'host':      'localhost',
+                                           'database':  'nizika_nico',
+                                           'user':      os.environ['MYSQL_USER'],
+                                           'password':  os.environ['MYSQL_PASS'],
+                                           'prefix':    '' } }
+
+DB = DatabaseManager (CONFIG)
+Model.set_connection_resolver (DB)
+
+KIRIBAN_VIEWS_COUNTS: set[int] = { *range (100, 1_000, 100),
+                                   *range (1_000, 10_000, 1_000),
+                                   *range (10_000, 1_000_001, 10_000),
+                                   194, 245, 510, 114_514, 1_940, 2_450, 5_100, 24_500,
+                                   51_000, 2_424 }
 
 
 class VideoInfo (TypedDict):
@@ -38,22 +59,7 @@ def get_latest_deerjika (
     except Exception:
         return None
 
-    bs = get_bs_from_url ('https://www.nicovideo.jp/watch/'
-                          + video_info['contentId'])
-    if bs is None:
-        return None
-
-    try:
-        video_info['title'] = '-'.join (bs.find ('title').text.split ('-')[:(-1)])[:(-1)]
-
-        tags = bs.find ('meta', attrs = { 'name': 'keywords' }).get ('content')
-        video_info['tags'] = tags.split (',')
-
-        video_info['description'] = bs.find ('meta', attrs = { 'name': 'description' }).get ('content')
-    except Exception:
-        return None
-
-    return video_info
+    return get_video_info (video_info['contentId'])
 
 
 def get_bs_from_url (
@@ -87,3 +93,64 @@ def get_bs_from_url (
     req.encoding = req.apparent_encoding
 
     return BeautifulSoup (req.text, 'html.parser')
+
+
+def get_video_info (
+        video_code: str,
+) -> VideoInfo | None:
+    video_info: dict[str, str | list[str]] = { 'contentId': video_code }
+
+    bs = get_bs_from_url (f"https://www.nicovideo.jp/watch/{ video_code }")
+    if bs is None:
+        return None
+
+    try:
+        title = bs.find ('title')
+        if title is None:
+            return None
+        video_info['title'] = '-'.join (title.text.split ('-')[:(-1)])[:(-1)]
+
+        tags: str = bs.find ('meta', attrs = { 'name': 'keywords' }).get ('content') # type: ignore
+        video_info['tags'] = tags.split (',')
+
+        video_info['description'] = bs.find ('meta', attrs = { 'name': 'description' }).get ('content') # type: ignore
+    except Exception:
+        return None
+
+    return cast (VideoInfo, video_info)
+
+
+def get_kiriban_list (
+        base_date:  date,
+) -> list[tuple[int, VideoInfo]]:
+    kiriban_list: list[tuple[int, VideoInfo]] = []
+
+    latest_fetched_at = cast (date, VideoHistory.max ('fetched_at'))
+    previous_fetched_at = cast (date, (VideoHistory
+                                       .where ('fetched_at', '<', latest_fetched_at)
+                                       .max ('fetched_at')))
+
+    for kiriban_views_count in KIRIBAN_VIEWS_COUNTS:
+        targets = ({ vh.video.code for vh in (VideoHistory
+                                              .where ('fetched_at', latest_fetched_at)
+                                              .where ('views_count', '>=', kiriban_views_count)
+                                              .get ()) }
+                   - { vh.video.code for vh in (VideoHistory
+                                                .where ('fetched_at', previous_fetched_at)
+                                                .where ('views_count', '>=', kiriban_views_count)
+                                                .get ()) })
+        for code in targets:
+            video_info = get_video_info (code)
+            if video_info is not None:
+                kiriban_list.append ((kiriban_views_count, video_info))
+
+    return kiriban_list
+
+
+class DbConfig (TypedDict):
+    driver:     str
+    host:       str
+    database:   str
+    user:       str
+    password:   str
+    prefix:     str