fix: add last_device_check sensor; fix service status; only post messages on changes

.github/workflows/deploy.yaml

@@ -90,11 +90,11 @@ jobs:
       - name: Update VERSION file in repo
         if: steps.semrel.outputs.new_release_published == 'true'
         run: |
-          echo "${{ steps.semrel.outputs.new_release_version }}" > VERSION
+          echo "v${{ steps.semrel.outputs.new_release_version }}" > VERSION
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
           git add VERSION
-          git diff --cached --quiet || git commit -m "chore: update VERSION to ${{ steps.semrel.outputs.new_release_version }}"
+          git diff --cached --quiet || git commit -m "chore: update VERSION to v${{ steps.semrel.outputs.new_release_version }}"
           git push
 
   docker:

src/amcrest2mqtt/base.py

@@ -59,7 +59,6 @@ class Base:
         self.device_interval = self.config["amcrest"].get("device_interval", 30)
         self.device_list_interval = self.config["amcrest"].get("device_list_interval", 300)
 
-        self.last_call_date = ""
         self.timezone = self.config["timezone"]
 
         self.api_calls = 0

src/amcrest2mqtt/interface.py

@@ -67,7 +67,7 @@ class AmcrestServiceProtocol(Protocol):
     def assert_no_tuples(self, data: Any, path: str = "root") -> None: ...
     def b_to_gb(self, total: int) -> float: ...
     def b_to_mb(self, total: int) -> float: ...
-    def build_device_states(self, device_id: str) -> None: ...
+    def build_device_states(self, device_id: str) -> bool: ...
     def classify_device(self, device: dict) -> str: ...
     def get_api_calls(self) -> int: ...
     def get_camera(self, host: str) -> AmcrestCamera: ...
@@ -117,7 +117,8 @@ class AmcrestServiceProtocol(Protocol):
     def read_file(self, file_name: str) -> str: ...
     def rediscover_all(self) -> None: ...
     def safe_split_device(self, topic: str, segment: str) -> list[str]: ...
+    def set_last_call_date(self) -> None: ...
     def set_motion_detection(self, device_id: str, switch: bool) -> str: ...
     def set_privacy_mode(self, device_id: str, switch: bool) -> str: ...
-    def upsert_device(self, device_id: str, **kwargs: dict[str, Any] | str | int | bool) -> None: ...
+    def upsert_device(self, device_id: str, **kwargs: dict[str, Any] | str | int | bool) -> bool: ...
-    def upsert_state(self, device_id: str, **kwargs: dict[str, Any] | str | int | bool) -> None: ...
+    def upsert_state(self, device_id: str, **kwargs: dict[str, Any] | str | int | bool) -> bool: ...

src/amcrest2mqtt/mixins/amcrest_api.py

@@ -23,6 +23,9 @@ class AmcrestAPIMixin:
     def get_last_call_date(self: Amcrest2Mqtt) -> str:
         return self.last_call_date
 
+    def set_last_call_date(self: Amcrest2Mqtt) -> None:
+        self.last_call_date = datetime.now(timezone.utc).isoformat()
+
     def is_rate_limited(self: Amcrest2Mqtt) -> bool:
         return self.rate_limited
 
@@ -58,6 +61,7 @@ class AmcrestAPIMixin:
             host_ip = self.get_ip_address(host)
             device = self.get_camera(host_ip)
             camera = device.camera
+            self.set_last_call_date()
         except LoginError:
             self.logger.error(f'invalid username/password to connect to device "{host}", fix in config.yaml')
             return
@@ -122,6 +126,7 @@ class AmcrestAPIMixin:
 
         try:
             storage = device["camera"].storage_all
+            self.set_last_call_date()
         except CommError as err:
             self.logger.error(f"failed to get storage stats from ({self.get_device_name(device_id)}): {err}")
             return {}
@@ -147,6 +152,7 @@ class AmcrestAPIMixin:
             privacy = device["camera"].privacy_config().split()
             privacy_mode = True if privacy[0].split("=")[1] == "true" else False
             device["privacy_mode"] = privacy_mode
+            self.set_last_call_date()
         except CommError as err:
             self.logger.error(f"failed to get privacy mode from ({self.get_device_name(device_id)}): {err}")
             return False
@@ -164,6 +170,7 @@ class AmcrestAPIMixin:
 
         try:
             response = cast(str, device["camera"].set_privacy(switch).strip())
+            self.set_last_call_date()
         except CommError as err:
             self.logger.error(f"failed to set privacy mode on ({self.get_device_name(device_id)}): {err}")
             return ""
@@ -183,6 +190,7 @@ class AmcrestAPIMixin:
 
         try:
             motion_detection = bool(device["camera"].is_motion_detector_on())
+            self.set_last_call_date()
         except CommError as err:
             self.logger.error(f"failed to get motion detection switch on ({self.get_device_name(device_id)}): {err}")
             return False
@@ -200,6 +208,7 @@ class AmcrestAPIMixin:
 
         try:
             response = str(device["camera"].set_motion_detection(switch))
+            self.set_last_call_date()
         except CommError:
             self.logger.error(f"Failed to communicate with device ({self.get_device_name(device_id)}) to set motion detections")
             return ""
@@ -231,6 +240,7 @@ class AmcrestAPIMixin:
         for attempt in range(1, SNAPSHOT_MAX_TRIES + 1):
             try:
                 image_bytes = await asyncio.wait_for(camera.async_snapshot(), timeout=SNAPSHOT_TIMEOUT_S)
+                self.set_last_call_date()
                 if not image_bytes:
                     self.logger.warning(f"Snapshot: empty image from {self.get_device_name(device_id)}")
                     return None
@@ -285,6 +295,7 @@ class AmcrestAPIMixin:
         while tries < 3:
             try:
                 data_raw = cast(bytes, device["camera"].download_file(file))
+                self.set_last_call_date()
                 if data_raw:
                     if not encode:
                         if len(data_raw) < self.mb_to_b(100):
@@ -326,6 +337,7 @@ class AmcrestAPIMixin:
             try:
                 async for code, payload in device["camera"].async_event_actions("All"):
                     await self.process_device_event(device_id, code, payload)
+                self.set_last_call_date()
                 return
             except CommError:
                 tries += 1

src/amcrest2mqtt/mixins/helpers.py

@@ -26,12 +26,12 @@ class ConfigError(ValueError):
 
 
 class HelpersMixin:
-    def build_device_states(self: Amcrest2Mqtt, device_id: str) -> None:
+    def build_device_states(self: Amcrest2Mqtt, device_id: str) -> bool:
         storage = self.get_storage_stats(device_id)
         privacy = self.get_privacy_mode(device_id)
         motion_detection = self.get_motion_detection(device_id)
 
-        self.upsert_state(
+        changed = self.upsert_state(
             device_id,
             switch={
                 "privacy": "ON" if privacy else "OFF",
@@ -43,6 +43,7 @@ class HelpersMixin:
                 "storage_used_pct": storage["used_percent"],
             },
         )
+        return changed
 
     # send command to Amcrest -----------------------------------------------------------------------
 
@@ -291,12 +292,13 @@ class HelpersMixin:
             for idx, value in enumerate(data):
                 self.assert_no_tuples(value, f"{path}[{idx}]")
 
-    def upsert_device(self: Amcrest2Mqtt, device_id: str, **kwargs: dict[str, Any] | str | int | bool | None) -> None:
+    def upsert_device(self: Amcrest2Mqtt, device_id: str, **kwargs: dict[str, Any] | str | int | bool | None) -> bool:
         MERGER = Merger(
             [(dict, "merge"), (list, "append_unique"), (set, "union")],
             ["override"],
             ["override"],
         )
+        prev = self.devices.get(device_id, {})
         for section, data in kwargs.items():
             # Pre-merge check
             self.assert_no_tuples(data, f"device[{device_id}].{section}")
@@ -304,15 +306,20 @@ class HelpersMixin:
             # Post-merge check
             self.assert_no_tuples(merged, f"device[{device_id}].{section} (post-merge)")
             self.devices[device_id] = merged
+        new = self.devices.get(device_id, {})
+        return False if prev == new else True
 
-    def upsert_state(self: Amcrest2Mqtt, device_id: str, **kwargs: dict[str, Any] | str | int | bool | None) -> None:
+    def upsert_state(self: Amcrest2Mqtt, device_id: str, **kwargs: dict[str, Any] | str | int | bool | None) -> bool:
         MERGER = Merger(
             [(dict, "merge"), (list, "append_unique"), (set, "union")],
             ["override"],
             ["override"],
         )
+        prev = self.states.get(device_id, {})
         for section, data in kwargs.items():
             self.assert_no_tuples(data, f"state[{device_id}].{section}")
             merged = MERGER.merge(self.states.get(device_id, {}), {section: data})
             self.assert_no_tuples(merged, f"state[{device_id}].{section} (post-merge)")
             self.states[device_id] = merged
+        new = self.states.get(device_id, {})
+        return False if prev == new else True

src/amcrest2mqtt/mixins/publish.py

@@ -24,9 +24,12 @@ class PublishMixin:
                 {
                     "name": self.service_name,
                     "uniq_id": self.mqtt_helper.svc_unique_id("service"),
-                    "stat_t": self.mqtt_helper.stat_t("service", "service"),
+                    "stat_t": self.mqtt_helper.avty_t("service"),
                     "avty_t": self.mqtt_helper.avty_t("service"),
+                    "payload_on": "online",
+                    "payload_off": "offline",
                     "device_class": "connectivity",
+                    "entity_category": "diagnostic",
                     "icon": "mdi:server",
                     "device": device_block,
                     "origin": {
@@ -49,6 +52,7 @@ class PublishMixin:
                     "stat_t": self.mqtt_helper.stat_t("service", "service", "api_calls"),
                     "avty_t": self.mqtt_helper.avty_t("service"),
                     "unit_of_measurement": "calls",
+                    "entity_category": "diagnostic",
                     "icon": "mdi:api",
                     "state_class": "total_increasing",
                     "device": device_block,
@@ -68,6 +72,7 @@ class PublishMixin:
                     "payload_on": "YES",
                     "payload_off": "NO",
                     "device_class": "problem",
+                    "entity_category": "diagnostic",
                     "icon": "mdi:speedometer-slow",
                     "device": device_block,
                 }
@@ -75,6 +80,23 @@ class PublishMixin:
             qos=self.mqtt_config["qos"],
             retain=True,
         )
+        self.mqtt_helper.safe_publish(
+            topic=self.mqtt_helper.disc_t("sensor", "last_call_date"),
+            payload=json.dumps(
+                {
+                    "name": f"{self.service_name} Last Device Check",
+                    "uniq_id": self.mqtt_helper.svc_unique_id("last_call_date"),
+                    "stat_t": self.mqtt_helper.stat_t("service", "service", "last_call_date"),
+                    "avty_t": self.mqtt_helper.avty_t("service"),
+                    "device_class": "timestamp",
+                    "entity_category": "diagnostic",
+                    "icon": "mdi:clock-outline",
+                    "device": device_block,
+                }
+            ),
+            qos=self.mqtt_config["qos"],
+            retain=True,
+        )
         self.mqtt_helper.safe_publish(
             topic=self.mqtt_helper.disc_t("number", "storage_refresh"),
             payload=json.dumps(
@@ -158,7 +180,7 @@ class PublishMixin:
     def publish_service_state(self: Amcrest2Mqtt) -> None:
         service = {
             "api_calls": self.get_api_calls(),
-            "last_api_call": self.get_last_call_date(),
+            "last_call_date": self.get_last_call_date(),
             "rate_limited": "YES" if self.is_rate_limited() else "NO",
             "storage_refresh": self.device_interval,
             "device_list_refresh": self.device_list_interval,

src/amcrest2mqtt/mixins/refresh.py

@@ -9,13 +9,15 @@ if TYPE_CHECKING:
 
 class RefreshMixin:
     async def refresh_all_devices(self: Amcrest2Mqtt) -> None:
-        self.logger.info(f"Refreshing all devices from Amcrest (every {self.device_interval} sec)")
+        self.logger.info(f"refreshing device stats (every {self.device_interval} sec)")
 
         semaphore = asyncio.Semaphore(5)
 
         async def _refresh(device_id: str) -> None:
             async with semaphore:
-                await asyncio.to_thread(self.build_device_states, device_id)
+                changed = await asyncio.to_thread(self.build_device_states, device_id)
+                if changed:
+                    await asyncio.to_thread(self.publish_device_state, device_id)
 
         tasks = []
         for device_id in self.devices: