Add discussions sensors to GitHub (#66937)

homeassistant/components/github/coordinator.py

@@ -39,6 +39,17 @@ query ($owner: String!, $repository: String!) {
     watchers(first: 1) {
       total: totalCount
     }
+    discussion: discussions(
+      first: 1
+      orderBy: {field: CREATED_AT, direction: DESC}
+    ) {
+      total: totalCount
+      discussions: nodes {
+        title
+        url
+        number
+      }
+    }
     issue: issues(
       first: 1
       states: OPEN

homeassistant/components/github/sensor.py

@@ -44,6 +44,14 @@ class GitHubSensorEntityDescription(BaseEntityDescription, BaseEntityDescription
 
 
 SENSOR_DESCRIPTIONS: tuple[GitHubSensorEntityDescription, ...] = (
+    GitHubSensorEntityDescription(
+        key="discussions_count",
+        name="Discussions",
+        native_unit_of_measurement="Discussions",
+        entity_category=EntityCategory.DIAGNOSTIC,
+        state_class=SensorStateClass.MEASUREMENT,
+        value_fn=lambda data: data["discussion"]["total"],
+    ),
     GitHubSensorEntityDescription(
         key="stargazers_count",
         name="Stars",
@@ -96,6 +104,16 @@ SENSOR_DESCRIPTIONS: tuple[GitHubSensorEntityDescription, ...] = (
             "url": data["default_branch_ref"]["commit"]["url"],
         },
     ),
+    GitHubSensorEntityDescription(
+        key="latest_discussion",
+        name="Latest Discussion",
+        avabl_fn=lambda data: data["discussion"]["discussions"],
+        value_fn=lambda data: data["discussion"]["discussions"][0]["title"][:255],
+        attr_fn=lambda data: {
+            "url": data["discussion"]["discussions"][0]["url"],
+            "number": data["discussion"]["discussions"][0]["number"],
+        },
+    ),
     GitHubSensorEntityDescription(
         key="latest_release",
         name="Latest Release",

tests/components/github/fixtures/graphql.json

@@ -19,6 +19,16 @@
             "watchers": {
                 "total": 9
             },
+            "discussion": {
+                "total": 1,
+                "discussions": [
+                    {
+                        "title": "First discussion",
+                        "url": "https://github.com/octocat/Hello-World/discussions/1347",
+                        "number": 1347
+                    }
+                ]
+            },
             "issue": {
                 "total": 1,
                 "issues": [