Fix quarkusio#36078

Fix missing include statements in the proto compilation and also improve the syntax of the proto include/exclude clauses (comma-separated list accepting spaces)

docs/src/main/asciidoc/grpc-getting-started.adoc

@@ -203,8 +203,8 @@ For instance, having the following properties in your `application.properties`:
 
 [source,properties]
 ----
-quarkus.generate-code.grpc.scan-for-proto-includes."<groupId>\:<artifactId>"=foo/**,bar/**,banana/a-proto.proto
-quarkus.generate-code.grpc.scan-for-proto-excludes."<groupId>\:<artifactId>"=foo/private/**,bar/another-proto.proto
+quarkus.generate-code.grpc.scan-for-proto-include."<groupId>\:<artifactId>"=foo/**,bar/**,banana/a-proto.proto
+quarkus.generate-code.grpc.scan-for-proto-exclude."<groupId>\:<artifactId>"=foo/private/**,bar/another-proto.proto
 ----
 
 will include:

extensions/grpc/codegen/src/main/java/io/quarkus/grpc/deployment/GrpcCodeGen.java

@@ -17,6 +17,7 @@
 import java.util.List;
 import java.util.Locale;
 import java.util.Set;
+import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 import org.eclipse.microprofile.config.Config;
@@ -100,11 +101,14 @@ public boolean trigger(CodeGenContext context) throws CodeGenException {
             Collection<Path> protoFilesFromDependencies = gatherProtosFromDependencies(dirWithProtosFromDependencies, protoDirs,
                     context);
             if (!protoFilesFromDependencies.isEmpty()) {
-                protoFilesFromDependencies.stream()
-                        .map(Path::normalize)
-                        .map(Path::toAbsolutePath)
-                        .map(Path::toString)
-                        .forEach(protoFiles::add);
+                for (Path files : protoFilesFromDependencies) {
+                    var pathToProtoFile = files.normalize().toAbsolutePath();
+                    var pathToParentDir = files.getParent();
+                    // Add the proto file to the list of proto to compile, but also add the directory containing the
+                    // proto file to the list of directories to include (it's a set, so no duplicate).
+                    protoFiles.add(pathToProtoFile.toString());
+                    protoDirs.add(pathToParentDir.toString());
+                }
             }
 
             if (!protoFiles.isEmpty()) {
@@ -115,12 +119,12 @@ public boolean trigger(CodeGenContext context) throws CodeGenException {
 
                 List<String> command = new ArrayList<>();
                 command.add(executables.protoc.toString());
-                for (String protoImportDir : protosToImport) {
-                    command.add(String.format("-I=%s", escapeWhitespace(protoImportDir)));
-                }
                 for (String protoDir : protoDirs) {
                     command.add(String.format("-I=%s", escapeWhitespace(protoDir)));
                 }
+                for (String protoImportDir : protosToImport) {
+                    command.add(String.format("-I=%s", escapeWhitespace(protoImportDir)));
+                }
 
                 command.addAll(asList("--plugin=protoc-gen-grpc=" + executables.grpc,
                         "--plugin=protoc-gen-q-grpc=" + executables.quarkusGrpc,
@@ -203,17 +207,21 @@ private Collection<Path> gatherProtosFromDependencies(Path workDir, Set<String>
         }
         boolean scanAll = "all".equalsIgnoreCase(scanDependencies);
 
-        List<String> dependenciesToScan = asList(scanDependencies.split(","));
+        List<String> dependenciesToScan = Arrays.stream(scanDependencies.split(",")).map(String::trim)
+                .collect(Collectors.toList());
 
         ApplicationModel appModel = context.applicationModel();
         List<Path> protoFilesFromDependencies = new ArrayList<>();
         for (ResolvedDependency artifact : appModel.getRuntimeDependencies()) {
             String packageId = String.format("%s:%s", artifact.getGroupId(), artifact.getArtifactId());
             Collection<String> includes = properties
-                    .getOptionalValues(String.format(SCAN_DEPENDENCIES_FOR_PROTO_INCLUDE_PATTERN, packageId), String.class)
+                    .getOptionalValue(String.format(SCAN_DEPENDENCIES_FOR_PROTO_INCLUDE_PATTERN, packageId), String.class)
+                    .map(s -> Arrays.stream(s.split(",")).map(String::trim).collect(Collectors.toList()))
                     .orElse(List.of());
+
             Collection<String> excludes = properties
-                    .getOptionalValues(String.format(SCAN_DEPENDENCIES_FOR_PROTO_EXCLUDE_PATTERN, packageId), String.class)
+                    .getOptionalValue(String.format(SCAN_DEPENDENCIES_FOR_PROTO_EXCLUDE_PATTERN, packageId), String.class)
+                    .map(s -> Arrays.stream(s.split(",")).map(String::trim).collect(Collectors.toList()))
                     .orElse(List.of());
 
             if (scanAll
@@ -247,7 +255,8 @@ private Collection<String> gatherDirectoriesWithImports(Path workDir, CodeGenCon
         }
 
         boolean scanAll = "all".equals(scanForImports.toLowerCase(Locale.getDefault()));
-        List<String> dependenciesToScan = Arrays.asList(scanForImports.split(","));
+        List<String> dependenciesToScan = Arrays.stream(scanForImports.split(",")).map(String::trim)
+                .collect(Collectors.toList());
 
         Set<String> importDirectories = new HashSet<>();
         ApplicationModel appModel = context.applicationModel();

integration-tests/grpc-external-proto-test/src/main/proto/extended.proto

@@ -0,0 +1,25 @@
+syntax = "proto3";
+
+option java_package = "org.acme.protos.extended";
+option java_outer_classname = "ExtendedProtos";
+
+option optimize_for = CODE_SIZE;
+
+package org.acme.proto.extended;
+
+// Import the base proto file
+import "base.proto";
+
+// A message representing detailed user information
+message DetailedUser {
+    org.acme.protos.base.User user = 1;             // Use the User message from base.proto
+    org.acme.protos.base.Address address = 2;      // Use the Address message from base.proto
+    string phone_number = 3;
+}
+
+// Another message using the base Address message
+message Company {
+    string name = 1;
+    org.acme.protos.base.Address company_address = 2;
+}
+

integration-tests/grpc-external-proto-test/src/main/resources/application.properties

@@ -1,6 +1,6 @@
 quarkus.generate-code.grpc.scan-for-proto=io.quarkus:quarkus-integration-test-external-proto
-quarkus.generate-code.grpc.scan-for-proto-include."io.quarkus\:quarkus-integration-test-external-proto"=dir/**,invalids/invalid2.proto
-quarkus.generate-code.grpc.scan-for-proto-exclude."io.quarkus\:quarkus-integration-test-external-proto"=dir/invalid.proto,invalids/invalid2.proto
+quarkus.generate-code.grpc.scan-for-proto-include."io.quarkus\:quarkus-integration-test-external-proto"=dir/**, invalids/invalid2.proto, protobuf/**
+quarkus.generate-code.grpc.scan-for-proto-exclude."io.quarkus\:quarkus-integration-test-external-proto"=dir/invalid.proto, invalids/invalid2.proto
 
 %vertx.quarkus.grpc.clients.hello.host=localhost
 %vertx.quarkus.grpc.clients.hello.port=8081

integration-tests/grpc-external-proto/src/main/resources/protobuf/base.proto

@@ -0,0 +1,28 @@
+syntax = "proto3";
+
+option java_package = "org.acme.protos.base";
+option java_outer_classname = "BASEProtos";
+
+option optimize_for = CODE_SIZE;
+
+// Import the extra proto file
+import "role.proto";
+
+package org.acme.protos.base;
+
+// A basic message representing user information
+message User {
+    int32 id = 1;
+    string name = 2;
+    string email = 3;
+    org.acme.protos.role.Role role = 4; // Use the Role message from extra.proto
+}
+
+// A basic message representing an address
+message Address {
+    string street = 1;
+    string city = 2;
+    string state = 3;
+    string zip = 4;
+}
+

integration-tests/grpc-external-proto/src/main/resources/protobuf/role.proto

@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+option java_package = "org.acme.protos.role";
+option java_outer_classname = "RoleProtos";
+
+option optimize_for = CODE_SIZE;
+
+package org.acme.protos.role;
+
+// A basic message representing a role
+message Role {
+    int32 role_id = 1;
+    string role_name = 2;
+}
+