Expose pincode resolver errors in extraction

src/main/kotlin/com/android/trisolarisserver/component/DataGovPincodeClient.kt

@@ -20,7 +20,7 @@ class DataGovPincodeClient(
     private val logger = LoggerFactory.getLogger(DataGovPincodeClient::class.java)
 
     fun resolve(pinCode: String): PincodeLookupResult {
-        if (apiKey.isBlank()) return PincodeLookupResult(null, null, "NO_API_KEY", "data.gov.in")
+        if (apiKey.isBlank()) return PincodeLookupResult(null, null, "NO_API_KEY", "data.gov.in", "Missing API key")
         return try {
             val url = UriComponentsBuilder.fromUriString(baseUrl)
                 .queryParam("api-key", apiKey)
@@ -34,7 +34,7 @@ class DataGovPincodeClient(
             PincodeLookupResult(resolved, body, status, "data.gov.in")
         } catch (ex: Exception) {
             logger.warn("Data.gov.in lookup failed: {}", ex.message)
-            PincodeLookupResult(null, null, "ERROR", "data.gov.in")
+            PincodeLookupResult(null, null, "ERROR", "data.gov.in", ex.message)
         }
     }
 

src/main/kotlin/com/android/trisolarisserver/component/DocumentExtractionService.kt

@@ -437,15 +437,18 @@ class DocumentExtractionService(
         results["geoPrimarySource"] = primary.source
         primary.status?.let { results["geoPrimaryStatus"] = it }
         primary.rawResponse?.let { results["geoPrimaryResponse"] = it.take(4000) }
+        primary.errorMessage?.let { results["geoPrimaryError"] = it.take(300) }
         resolvedResult.secondary?.let { secondary ->
             results["geoSecondarySource"] = secondary.source
             secondary.status?.let { results["geoSecondaryStatus"] = it }
             secondary.rawResponse?.let { results["geoSecondaryResponse"] = it.take(4000) }
+            secondary.errorMessage?.let { results["geoSecondaryError"] = it.take(300) }
         }
         resolvedResult.tertiary?.let { tertiary ->
             results["geoTertiarySource"] = tertiary.source
             tertiary.status?.let { results["geoTertiaryStatus"] = it }
             tertiary.rawResponse?.let { results["geoTertiaryResponse"] = it.take(4000) }
+            tertiary.errorMessage?.let { results["geoTertiaryError"] = it.take(300) }
         }
         val resolved = resolvedResult.resolved()?.resolvedCityState ?: return
         results["geoResolved"] = resolved

src/main/kotlin/com/android/trisolarisserver/component/GoogleGeocodingClient.kt

@@ -104,5 +104,6 @@ data class PincodeLookupResult(
     val resolvedCityState: String?,
     val rawResponse: String?,
     val status: String?,
-    val source: String
+    val source: String,
+    val errorMessage: String? = null
 )

src/main/kotlin/com/android/trisolarisserver/component/PostalPincodeClient.kt

@@ -30,7 +30,7 @@ class PostalPincodeClient(
             PincodeLookupResult(resolved, body, status, "postalpincode.in")
         } catch (ex: Exception) {
             logger.warn("Postalpincode lookup failed: {}", ex.message)
-            PincodeLookupResult(null, null, "ERROR", "postalpincode.in")
+            PincodeLookupResult(null, null, "ERROR", "postalpincode.in", ex.message)
         }
     }