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Fixed #1466 #1477

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Fixed #1466 #1477

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altserg
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@altserg altserg commented Jan 9, 2025

Ignore energy report messages for Transaction.Begin context

Summary by CodeRabbit

  • New Features

    • Enhanced OCPP (Open Charge Point Protocol) data processing for charging sessions
    • Improved handling of transaction meter values by adding context-specific filtering
  • Bug Fixes

    • Resolved potential data processing issues during transaction start

@altserg altserg had a problem deploying to continuous-integration January 9, 2025 11:21 — with GitHub Actions Failure
@lbbrhzn
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lbbrhzn commented Jan 9, 2025

@altserg can you add a description to this pull request please?

@altserg altserg had a problem deploying to continuous-integration January 9, 2025 12:15 — with GitHub Actions Failure
Now the Active.Import.Register sensor also gets updated
@altserg altserg had a problem deploying to continuous-integration January 12, 2025 21:32 — with GitHub Actions Failure
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coderabbitai bot commented Jan 22, 2025

Walkthrough

The pull request introduces a modification to the OCPP (Open Charge Point Protocol) charge point processing logic. Specifically, it adds a new ReadingContext enumeration and updates the process_measurands method to ignore meter values with a Transaction Begin context. This change refines how energy metrics are calculated during electric vehicle charging sessions by filtering out specific measurement contexts.

Changes

File Change Summary
custom_components/ocpp/chargepoint.py - Added ReadingContext enum import from ocpp.v16.enums
- Modified process_measurands method to skip processing measurands with Transaction Begin context

Sequence Diagram

sequenceDiagram
    participant CP as Charge Point
    participant MS as Meter Service
    
    CP->>MS: Receive Meter Values
    alt Transaction Begin Context
        MS-->>CP: Ignore Specific Measurands
    else Normal Context
        MS->>CP: Process Meter Values
    end
Loading

Poem

🔌 A rabbit's charge point tale, so neat
Filtering values, a protocol's feat
Transaction begins, data takes flight
Skipping the noise, keeping metrics tight
OCPP dancing with electric grace 🚗⚡

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Actionable comments posted: 0

🧹 Nitpick comments (1)
custom_components/ocpp/chargepoint.py (1)

780-792: Consider improving readability.

The nested conditions could be simplified and the comment could be more descriptive. Here's a suggested refactor:

-    # Ignore messages with Transaction Begin context
-    if context != ReadingContext.transaction_begin.value:
-        if is_transaction:
-            self._metrics[csess.session_energy.value].value = value
-            self._metrics[csess.session_energy.value].unit = unit
-            self._metrics[csess.session_energy.value].extra_attr[
-                cstat.id_tag.name
-            ] = self._metrics[cstat.id_tag.value].value
-        else:
-            self._metrics[measurand].value = value
-            self._metrics[measurand].unit = unit
-    else:
-        continue
+    # Skip processing for Transaction Begin context as these values
+    # should not contribute to energy metrics
+    if context == ReadingContext.transaction_begin.value:
+        continue
+
+    if is_transaction:
+        self._metrics[csess.session_energy.value].value = value
+        self._metrics[csess.session_energy.value].unit = unit
+        self._metrics[csess.session_energy.value].extra_attr[
+            cstat.id_tag.name
+        ] = self._metrics[cstat.id_tag.value].value
+    else:
+        self._metrics[measurand].value = value
+        self._metrics[measurand].unit = unit
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📥 Commits

Reviewing files that changed from the base of the PR and between 88cafb7 and 87ad713.

📒 Files selected for processing (1)
  • custom_components/ocpp/chargepoint.py (2 hunks)
🔇 Additional comments (2)
custom_components/ocpp/chargepoint.py (2)

31-37: LGTM! Import changes are appropriate.

The addition of ReadingContext enum is necessary for the new functionality and is correctly grouped with other enums from the same module.


780-792: LGTM! Changes correctly address the issue.

The implementation properly ignores energy report messages with Transaction Begin context, which aligns with the PR objective to fix issue #1466.

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2 participants