feat(go): add GoBuildSystemProvider for dependency management #308

Implement GoBuildSystemProvider to collect and manage dependencies in Go projects. The provider extracts module specifications and converts them into DevPackage objects for further processing.

Author: phodal

goland/src/main/kotlin/cc/unitmesh/go/provider/GoBuildSystemProvider.kt

@@ -0,0 +1,46 @@
+package cc.unitmesh.go.provider
+
+import cc.unitmesh.devti.provider.BuildSystemProvider
+import cc.unitmesh.devti.provider.DevPackage
+import cc.unitmesh.devti.template.context.DockerfileContext
+import com.goide.vgo.mod.psi.VgoModuleSpec
+import com.goide.vgo.mod.psi.VgoRequireDirective
+import com.goide.vgo.project.VgoDependency
+import com.intellij.openapi.project.Project
+import com.intellij.psi.PsiFile
+import com.intellij.psi.util.PsiTreeUtil
+
+class GoBuildSystemProvider : BuildSystemProvider() {
+    override fun collect(project: Project): DockerfileContext? {
+        return null
+    }
+
+    override fun collectDependencies(
+        project: Project,
+        psiFile: PsiFile
+    ): List<DevPackage> {
+        return getDependencies(psiFile)
+            .mapNotNull { vgoModuleSpec -> toPackage(vgoModuleSpec) }
+            .toList()
+    }
+
+    fun getDependencies(modFile: PsiFile): List<VgoModuleSpec> {
+        return PsiTreeUtil.getChildrenOfTypeAsList(modFile, VgoRequireDirective::class.java)
+            .flatMap { requireDirective ->
+                PsiTreeUtil.getChildrenOfTypeAsList(requireDirective, VgoModuleSpec::class.java)
+            }
+    }
+
+    fun toPackage(dependency: VgoDependency): DevPackage? {
+        val version = dependency.version ?: return null
+        val importPath = dependency.importPath
+        val lowerCase = importPath.lowercase()
+        return DevPackage("go", null, lowerCase, version)
+    }
+
+    fun toPackage(moduleSpec: VgoModuleSpec): DevPackage? {
+        val version = moduleSpec.moduleVersion ?: return null
+        val name = moduleSpec.identifier.text.lowercase()
+        return DevPackage("go", null, name, version.text)
+    }
+}

goland/src/main/resources/cc.unitmesh.go.xml

@@ -18,6 +18,8 @@
 
         <livingDocumentation language="go" implementationClass="cc.unitmesh.go.provider.GoLivingDocumentationProvider"/>
 
+        <buildSystemProvider implementation="cc.unitmesh.go.provider.GoBuildSystemProvider"/>
+
         <langSketchProvider implementation="cc.unitmesh.go.provider.GoLangPlaygroundSketchProvider"/>
     </extensions>
 </idea-plugin>