feat(amazonq): Use relative path in inline completion API payload (#4864)

* fix index cache not loaded

* use file relative path in inline API

* rm change log item

* add unit test

* fix test cases

* fix detekt

* fix detect; unit test

Author: leigaol

plugins/amazonq/codewhisperer/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codewhisperer/editor/CodeWhispererEditorUtil.kt

@@ -30,7 +30,8 @@ object CodeWhispererEditorUtil {
         val caretContext = extractCaretContext(editor)
         val fileName = getFileName(psiFile)
         val programmingLanguage = psiFile.programmingLanguage()
-        return FileContextInfo(caretContext, fileName, programmingLanguage)
+        val fileRelativePath = getRelativePathToContentRoot(editor)
+        return FileContextInfo(caretContext, fileName, programmingLanguage, fileRelativePath)
     }
 
     fun extractCaretContext(editor: Editor): CaretContext {

plugins/amazonq/codewhisperer/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codewhisperer/model/CodeWhispererModel.kt

@@ -42,7 +42,8 @@ data class CaretContext(val leftFileContext: String, val rightFileContext: Strin
 data class FileContextInfo(
     val caretContext: CaretContext,
     val filename: String,
-    val programmingLanguage: CodeWhispererProgrammingLanguage
+    val programmingLanguage: CodeWhispererProgrammingLanguage,
+    val fileRelativePath: String?,
 )
 
 data class SupplementalContextInfo(

plugins/amazonq/codewhisperer/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codewhisperer/service/CodeWhispererService.kt

@@ -779,7 +779,7 @@ class CodeWhispererService(private val cs: CoroutineScope) : Disposable {
             val fileContext = FileContext.builder()
                 .leftFileContent(fileContextInfo.caretContext.leftFileContext)
                 .rightFileContent(fileContextInfo.caretContext.rightFileContext)
-                .filename(fileContextInfo.filename)
+                .filename(fileContextInfo.fileRelativePath ?: fileContextInfo.filename)
                 .programmingLanguage(programmingLanguage)
                 .build()
             val supplementalContexts = supplementalContext?.contents?.map {

plugins/amazonq/codewhisperer/jetbrains-community/tst/software/aws/toolkits/jetbrains/services/codewhisperer/CodeWhispererCodeCoverageTrackerTest.kt

@@ -162,7 +162,7 @@ internal class CodeWhispererCodeCoverageTrackerTestPython : CodeWhispererCodeCov
             fixture.editor,
             mock(),
             mock(),
-            FileContextInfo(mock(), pythonFileName, CodeWhispererPython.INSTANCE),
+            FileContextInfo(mock(), pythonFileName, CodeWhispererPython.INSTANCE, pythonFileName),
             runBlocking {
                 async {
                     SupplementalContextInfo(

plugins/amazonq/codewhisperer/jetbrains-community/tst/software/aws/toolkits/jetbrains/services/codewhisperer/CodeWhispererEditorUtilTest.kt

@@ -46,6 +46,7 @@ class CodeWhispererEditorUtilTest {
         assertThat(fileContext.programmingLanguage).isInstanceOf(CodeWhispererPython::class.java)
         assertThat(fileContext.caretContext.leftFileContext).isEqualTo(pythonTestLeftContext)
         assertThat(fileContext.caretContext.rightFileContext).isEqualTo("")
+        assertThat(fileContext.fileRelativePath).isEqualTo("test.py")
     }
 
     /**

plugins/amazonq/codewhisperer/jetbrains-community/tst/software/aws/toolkits/jetbrains/services/codewhisperer/CodeWhispererServiceTest.kt

@@ -215,7 +215,7 @@ private fun CodeWhispererProgrammingLanguage.toSdkModel(): ProgrammingLanguage =
     .build()
 
 private fun FileContextInfo.toSdkModel(): FileContext = FileContext.builder()
-    .filename(filename)
+    .filename(fileRelativePath)
     .programmingLanguage(programmingLanguage.toCodeWhispererRuntimeLanguage().toSdkModel())
     .leftFileContent(caretContext.leftFileContext)
     .rightFileContent(caretContext.rightFileContext)

plugins/amazonq/codewhisperer/jetbrains-community/tst/software/aws/toolkits/jetbrains/services/codewhisperer/CodeWhispererTestUtil.kt

@@ -58,6 +58,7 @@ import software.aws.toolkits.jetbrains.services.codewhisperer.util.UtgStrategy
 import software.aws.toolkits.telemetry.CodewhispererCompletionType
 import software.aws.toolkits.telemetry.CodewhispererSuggestionState
 import software.aws.toolkits.telemetry.CodewhispererTriggerType
+import java.nio.file.Paths
 import kotlin.random.Random
 
 object CodeWhispererTestUtil {
@@ -391,13 +392,13 @@ fun aResponseContext(): ResponseContext = ResponseContext(aString())
 fun aFileContextInfo(language: CodeWhispererProgrammingLanguage? = null): FileContextInfo {
     val caretContextInfo = CaretContext(aString(), aString(), aString())
     val fileName = aString()
-
+    val fileRelativePath = Paths.get("test", fileName).toString()
     val programmingLanguage = language ?: listOf(
         CodeWhispererPython.INSTANCE,
         CodeWhispererJava.INSTANCE
     ).random()
 
-    return FileContextInfo(caretContextInfo, fileName, programmingLanguage)
+    return FileContextInfo(caretContextInfo, fileName, programmingLanguage, fileRelativePath)
 }
 
 fun aTriggerType(): CodewhispererTriggerType =