Merge pull request #167 from dhis2/log-action-evaluation

feat: [skip publish] log result of expressions evaluated in program rule actions

Author: enricocolasante

src/commonMain/kotlin/org/hisp/dhis/rules/engine/RuleConditionEvaluator.kt

@@ -193,7 +193,7 @@ internal class RuleConditionEvaluator {
         supplementaryData: Map<String, List<String>>,
     ): RuleEffect {
         if (ruleAction.type == "ASSIGN") {
-            val data = process(ruleAction.data, valueMap, supplementaryData, ExpressionMode.RULE_ENGINE_ACTION)
+            val data = processRuleAction(rule, ruleAction, valueMap, supplementaryData)
             updateValueMap(ruleAction.field()!!, RuleVariableValue(RuleValueType.TEXT, data, listOf(), null), valueMap)
             return if (data.isNullOrEmpty()) {
                 RuleEffect(rule.uid, ruleAction, null)
@@ -203,11 +203,11 @@ internal class RuleConditionEvaluator {
         }
         val data =
             if (!ruleAction.data.isNullOrEmpty()) {
-                process(
-                    ruleAction.data,
+                processRuleAction(
+                    rule,
+                    ruleAction,
                     valueMap,
                     supplementaryData,
-                    ExpressionMode.RULE_ENGINE_ACTION,
                 )
             } else {
                 ""
@@ -219,6 +219,27 @@ internal class RuleConditionEvaluator {
         )
     }
 
+    private fun processRuleAction(
+        rule: Rule,
+        ruleAction: RuleAction,
+        valueMap: MutableMap<String, RuleVariableValue>,
+        supplementaryData: Map<String, List<String>>,
+    ): String? {
+        val data = process(
+            ruleAction.data,
+            valueMap,
+            supplementaryData,
+            ExpressionMode.RULE_ENGINE_ACTION,
+        )
+        log.fine(
+            "Action " + ruleAction.type +
+                " from rule " + rule.name + " with id " + rule.uid +
+                " with expression (" + ruleAction.data + ")" +
+                " was evaluated " + data
+        )
+        return data
+    }
+
     companion object {
         private val log = createLogger("org.hisp.dhis.rules.engine.RuleConditionEvaluator")
     }