feat: aippatch — proto/SQL PATCH framework for AIP-134 RPCs

.gitignore

@@ -52,6 +52,7 @@ web/dist/
 /drill
 /drillctl
 /stripescenario
+/aippatchgen
 cov.out
 coverage.out
 coverage-cross.out

Makefile

@@ -7,6 +7,7 @@ test-protos:
 	@echo "=== buf generate (verify clean) ==="
 	buf generate
 	@git diff --exit-code internal/pb/ web/src/pb/ || (echo "FAIL: buf generate produced uncommitted changes" && exit 1)
+	go run ./thirdparty/aippatch/cmd/aippatchgen --check
 
 test-frontend:
 	@echo "=== frontend deps ==="
@@ -124,6 +125,9 @@ deps:
 # Regenerate protobuf code from .proto sources.
 generate:
 	buf generate
+	buf build -o buf.binpb
+	sqlc generate
+	go run ./thirdparty/aippatch/cmd/aippatchgen
 
 # Run golangci-lint (same config as CI).
 lint:

aippatch.yaml

@@ -0,0 +1,26 @@
+codecs:
+  enum_role:
+    proto_enum: drill.v1.UserRole
+    map:
+      USER_ROLE_CANDIDATE: candidate
+      USER_ROLE_ADMIN:     admin
+  enum_plan:
+    proto_enum: drill.v1.UserPlan
+    map:
+      USER_PLAN_FREE: free
+      USER_PLAN_PRO:  pro
+
+resources:
+  - message: drill.v1.User
+    table: users
+    pk: id
+    soft_delete: deleted_at
+    empty_mask: error
+    writable: [display_name]
+    go_package_path: github.com/btc/drill/internal/pb/drill/v1
+    auto_set:
+      updated_at: NOW()
+    overrides:
+      create_time: { column: created_at }
+      role:        { codec: enum_role }
+      plan:        { codec: enum_plan }

cmd/drill/main.go

@@ -21,6 +21,7 @@ import (
 	"github.com/btc/drill/internal/events"
 	"github.com/btc/drill/internal/handler"
 	"github.com/btc/drill/internal/migrate"
+	"github.com/btc/drill/internal/patches"
 )
 
 func main() {
@@ -79,6 +80,10 @@ func runWithContext(ctx context.Context) error {
 	}
 	defer b.Close()
 
+	if err := patches.InitPatches(); err != nil {
+		return fmt.Errorf("aippatch: %w", err)
+	}
+
 	oauthStateKey := auth.DeriveKey(cfg.Auth.TokenSecret, "oauth-state")
 	auth.SetupGothProviders(&cfg.OAuth, cfg.Auth.BaseURL, oauthStateKey)