feat(review): init default file ignore for patterns

src/main/kotlin/cc/unitmesh/devti/actions/vcs/CodeReviewAction.kt

@@ -1,5 +1,7 @@
 package cc.unitmesh.devti.actions.vcs
 
+import cc.unitmesh.devti.AutoDevBundle
+import cc.unitmesh.devti.AutoDevNotifications
 import cc.unitmesh.devti.actions.chat.base.ChatBaseAction
 import cc.unitmesh.devti.gui.chat.ChatActionType
 import cc.unitmesh.devti.gui.chat.ChatContext
@@ -9,14 +11,10 @@ import cc.unitmesh.devti.provider.ContextPrompter
 import com.intellij.openapi.actionSystem.AnActionEvent
 import com.intellij.openapi.components.service
 import com.intellij.openapi.diagnostic.logger
-import com.intellij.openapi.diff.impl.patch.IdeaTextPatchBuilder
-import com.intellij.openapi.util.io.FileUtilRt
-import com.intellij.openapi.vcs.VcsDataKeys
-import com.intellij.openapi.vcs.changes.Change
-import com.intellij.openapi.vcs.changes.ContentRevision
-import com.intellij.openapi.vcs.changes.CurrentContentRevision
+import com.intellij.vcs.log.VcsFullCommitDetails
 import com.intellij.vcs.log.VcsLogDataKeys
-import org.jetbrains.annotations.NotNull
+import java.nio.file.FileSystems
+import java.nio.file.PathMatcher
 
 class CodeReviewAction : ChatBaseAction() {
     override fun getActionType(): ChatActionType = ChatActionType.CODE_REVIEW
@@ -25,15 +23,26 @@ class CodeReviewAction : ChatBaseAction() {
         val log = logger<CodeReviewAction>()
     }
 
+    val defaultIgnoreFilePatterns: List<PathMatcher> = listOf(
+        "**/*.md", "**/*.json", "**/*.txt", "**/*.xml", "**/*.yml", "**/*.yaml",
+    ).map {
+        FileSystems.getDefault().getPathMatcher("glob:$it")
+    }
+
     override fun actionPerformed(e: AnActionEvent) {
         val project = e.project ?: return
 
         // Make changes available for diff action
         val vcsLog = e.getData(VcsLogDataKeys.VCS_LOG)
-        val details = vcsLog?.selectedDetails?.toList() ?: return
+        val details: List<VcsFullCommitDetails> = vcsLog?.selectedDetails?.toList() ?: return
 
         val vcsPrompting = project.service<VcsPrompting>()
-        val diff = vcsPrompting.calculateDiff(details, project)
+        val diff = vcsPrompting.buildDiffPrompt(details, project, defaultIgnoreFilePatterns)
+
+        if (diff == null) {
+            AutoDevNotifications.notify(project, "No code to review.")
+            return
+        }
 
         var prompt =
             """You are a seasoned software developer, and I'm seeking your expertise to review the following code:

src/main/kotlin/cc/unitmesh/devti/prompting/VcsPrompting.kt

@@ -36,6 +36,7 @@ import org.jetbrains.annotations.NotNull
 import java.io.IOException
 import java.io.StringWriter
 import java.nio.file.Path
+import java.nio.file.PathMatcher
 import java.util.stream.Collectors
 import kotlin.math.min
 
@@ -82,8 +83,14 @@ class VcsPrompting(private val project: Project) {
     }
 
     @Throws(VcsException::class, IOException::class)
-    fun calculateDiff(list: List<VcsFullCommitDetails>, project: Project): Pair<List<String>, String> {
+    fun buildDiffPrompt(
+        list: List<VcsFullCommitDetails>,
+        project: Project,
+        ignoreFilePatterns: List<PathMatcher> = listOf(),
+    ): Pair<List<String>, String>? {
         val writer = StringWriter()
+        var isEmpty = true
+
         val summary: MutableList<String> = ArrayList()
         for (detail in list) {
             writer.write("""Commit Message: ${detail.fullMessage}\n\nCode Changes:\n\n""")
@@ -92,8 +99,22 @@ class VcsPrompting(private val project: Project) {
             summary.add('"'.toString() + subject + "\"")
             val filteredChanges = detail.changes.stream()
                 .filter { change -> !isBinaryOrTooLarge(change!!) }
+                .filter {
+                    val filePath = it.afterRevision?.file
+                    if (filePath != null) {
+                        ignoreFilePatterns.none { pattern ->
+                            pattern.matches(Path.of(it.afterRevision?.file?.path))
+                        }
+                    } else {
+                        true
+                    }
+                }
                 .toList()
 
+            if (filteredChanges.isEmpty()) {
+                continue
+            }
+
             val patches = IdeaTextPatchBuilder.buildPatch(
                 project,
                 filteredChanges.subList(0, min(filteredChanges.size, 500)),
@@ -102,6 +123,8 @@ class VcsPrompting(private val project: Project) {
                 true
             )
 
+            isEmpty = false
+
             UnifiedDiffWriter.write(
                 project,
                 project.stateStore.projectBasePath,
@@ -112,6 +135,10 @@ class VcsPrompting(private val project: Project) {
             )
         }
 
+        if (isEmpty) {
+            return null
+        }
+
         val stringWriter = writer.toString()
         val diff = trimDiff(stringWriter)
         return Pair<List<String>, String>(summary, diff)