From fc99a2b532d051e2da07b57df0f1f213d80a5181 Mon Sep 17 00:00:00 2001
From: Simon <simobilleter@gmail.com>
Date: Sat, 3 Aug 2024 00:51:02 +0200
Subject: [PATCH] add channel nav

---
 tubearchivist/channel/src/nav.py | 78 ++++++++++++++++++++++++++++++++
 tubearchivist/channel/urls.py    |  5 ++
 tubearchivist/channel/views.py   | 13 ++++++
 3 files changed, 96 insertions(+)
 create mode 100644 tubearchivist/channel/src/nav.py

diff --git a/tubearchivist/channel/src/nav.py b/tubearchivist/channel/src/nav.py
new file mode 100644
index 00000000..6ff3e047
--- /dev/null
+++ b/tubearchivist/channel/src/nav.py
@@ -0,0 +1,78 @@
+"""build channel nav"""
+
+from common.src.es_connect import ElasticWrap
+
+
+class ChannelNav:
+    """get all nav items"""
+
+    def __init__(self, channel_id):
+        self.channel_id = channel_id
+
+    def get_nav(self):
+        """build nav items"""
+        nav = {
+            "has_pending": self._get_has_pending(),
+            "has_playlists": self._get_has_playlists(),
+        }
+        nav.update(self._get_vid_types())
+        return nav
+
+    def _get_vid_types(self):
+        """get available vid_types in given channel"""
+        data = {
+            "size": 0,
+            "query": {
+                "term": {"channel.channel_id": {"value": self.channel_id}}
+            },
+            "aggs": {"unique_values": {"terms": {"field": "vid_type"}}},
+        }
+        response, _ = ElasticWrap("ta_video/_search").get(data)
+        buckets = response["aggregations"]["unique_values"]["buckets"]
+
+        type_nav = {
+            "has_videos": False,
+            "has_streams": False,
+            "has_shorts": False,
+        }
+        for bucket in buckets:
+            if bucket["key"] == "videos":
+                type_nav["has_videos"] = True
+            if bucket["key"] == "streams":
+                type_nav["has_streams"] = True
+            if bucket["key"] == "shorts":
+                type_nav["has_shorts"] = True
+
+        return type_nav
+
+    def _get_has_pending(self):
+        """check if has pending videos in download queue"""
+        data = {
+            "size": 1,
+            "query": {
+                "bool": {
+                    "must": [
+                        {"term": {"status": {"value": "pending"}}},
+                        {"term": {"channel_id": {"value": self.channel_id}}},
+                    ]
+                }
+            },
+            "_source": False,
+        }
+        response, _ = ElasticWrap("ta_download/_search").get(data=data)
+
+        return bool(response["hits"]["hits"])
+
+    def _get_has_playlists(self):
+        """check if channel has playlists"""
+        path = "ta_playlist/_search"
+        data = {
+            "size": 1,
+            "query": {
+                "term": {"playlist_channel_id": {"value": self.channel_id}}
+            },
+            "_source": False,
+        }
+        response, _ = ElasticWrap(path).get(data=data)
+
+        return bool(response["hits"]["hits"])
diff --git a/tubearchivist/channel/urls.py b/tubearchivist/channel/urls.py
index 9b51671c..4b4ec53e 100644
--- a/tubearchivist/channel/urls.py
+++ b/tubearchivist/channel/urls.py
@@ -24,4 +24,9 @@ urlpatterns = [
         views.ChannelAggsApiView.as_view(),
         name="api-channel-aggs",
     ),
+    path(
+        "<slug:channel_id>/nav/",
+        views.ChannelNavApiView.as_view(),
+        name="api-channel-nav",
+    ),
 ]
diff --git a/tubearchivist/channel/views.py b/tubearchivist/channel/views.py
index 5b28267f..e5c7c8cd 100644
--- a/tubearchivist/channel/views.py
+++ b/tubearchivist/channel/views.py
@@ -1,6 +1,7 @@
 """all channel API views"""
 
 from channel.src.index import YoutubeChannel
+from channel.src.nav import ChannelNav
 from common.src.urlparser import Parser
 from common.views_base import AdminWriteOnly, ApiBaseView
 from download.src.subscriptions import ChannelSubscription
@@ -127,6 +128,18 @@ class ChannelAggsApiView(ApiBaseView):
         return Response(self.response)
 
 
+class ChannelNavApiView(ApiBaseView):
+    """resolves to /api/channel/<channel_id>/nav/
+    GET: get channel nav
+    """
+
+    def get(self, request, channel_id):
+        """get nav"""
+
+        nav = ChannelNav(channel_id).get_nav()
+        return Response(nav)
+
+
 class ChannelApiSearchView(ApiBaseView):
     """resolves to /api/channel/search/
     search for channel