init post-service

services/post-service/internal/rpc/post.go

@@ -0,0 +1,179 @@
+package rpc
+
+import (
+	"context"
+
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+	emptypb "google.golang.org/protobuf/types/known/emptypb"
+
+	"github.com/hexolan/panels/post-service/internal"
+	pb "github.com/hexolan/panels/post-service/internal/rpc/postv1"
+)
+
+type postServer struct {
+	pb.UnimplementedPostServiceServer
+	
+	service internal.PostService
+}
+
+func NewPostServer(service internal.PostService) postServer {
+	return postServer{service: service}
+}
+
+func (svr *postServer) CreatePost(ctx context.Context, request *pb.CreatePostRequest) (*pb.Post, error) {
+	// Ensure the required args are provided
+	if request.GetData() == nil {
+		return nil, status.Error(codes.InvalidArgument, "malformed request")
+	}
+
+	if request.GetPanelId() == "" {
+		return nil, status.Error(codes.InvalidArgument, "panel id not provided")
+	}
+
+	if request.GetUserId() == "" {
+		return nil, status.Error(codes.InvalidArgument, "user id not provided")
+	}
+
+	// Convert to service model
+	data := pb.PostCreateFromProto(request.GetData())
+	
+	// Pass to service method for creation
+	post, err := svr.service.CreatePost(ctx, request.GetPanelId(), request.GetUserId(), data)
+	if err != nil {
+		return nil, err
+	}
+
+	return pb.PostToProto(post), nil
+}
+
+func (svr *postServer) GetPost(ctx context.Context, request *pb.GetPostRequest) (*pb.Post, error) {
+	// Ensure the required args are provided
+	if request.GetId() == "" {
+		return nil, status.Error(codes.InvalidArgument, "post id not provided")
+	}
+
+	// Convert to business model
+	id, err := internal.NewPostIdFromRepr(request.GetId())
+	if err != nil {
+		return nil, status.Error(codes.InvalidArgument, "invalid post id")
+	}
+
+	// Pass to service method for retrieval
+	post, err := svr.service.GetPost(ctx, *id)
+	if err != nil {
+		return nil, err
+	}
+	return pb.PostToProto(post), nil
+}
+
+func (svr *postServer) GetPanelPost(ctx context.Context, request *pb.GetPanelPostRequest) (*pb.Post, error) {
+	// Ensure the required args are provided
+	if request.GetId() == "" {
+		return nil, status.Error(codes.InvalidArgument, "post id not provided")
+	}
+
+	if request.GetPanelId() == "" {
+		return nil, status.Error(codes.InvalidArgument, "panel id not provided")
+	}
+
+	// Convert to service model
+	id, err := internal.NewPostIdFromRepr(request.GetId())
+	if err != nil {
+		return nil, status.Error(codes.InvalidArgument, "invalid post id")
+	}
+
+	// Pass to service method for retrieval
+	post, err := svr.service.GetPanelPost(ctx, *id, request.GetPanelId())
+	if err != nil {
+		return nil, err
+	}
+	return pb.PostToProto(post), nil
+}
+
+func (svr *postServer) UpdatePost(ctx context.Context, request *pb.UpdatePostRequest) (*pb.Post, error) {
+	// Ensure the required args are provided
+	if request.GetId() == "" {
+		return nil, status.Error(codes.InvalidArgument, "post id not provided")
+	}
+
+	if request.GetData() == nil {
+		return nil, status.Error(codes.InvalidArgument, "malformed request")
+	}
+
+	// Convert to service models
+	id, err := internal.NewPostIdFromRepr(request.GetId())
+	if err != nil {
+		return nil, status.Error(codes.InvalidArgument, "invalid post id")
+	}
+
+	data := pb.PostUpdateFromProto(request.GetData())
+
+	// Pass to service method for update
+	post, err := svr.service.UpdatePost(ctx, *id, data)
+	if err != nil {
+		return nil, err
+	}
+
+	return pb.PostToProto(post), nil
+}
+
+func (svr *postServer) DeletePost(ctx context.Context, request *pb.DeletePostRequest) (*emptypb.Empty, error) {
+	// Ensure the required args are provided
+	if request.GetId() == "" {
+		return nil, status.Error(codes.InvalidArgument, "post id not provided")
+	}
+
+	// Convert to service model
+	id, err := internal.NewPostIdFromRepr(request.GetId())
+	if err != nil {
+		return nil, status.Error(codes.InvalidArgument, "invalid post id")
+	}
+
+	// Pass to service method for deletion
+	err = svr.service.DeletePost(ctx, *id)
+	if err != nil {
+		return nil, err
+	}
+	return &emptypb.Empty{}, nil
+}
+
+func (svr *postServer) GetFeedPosts(ctx context.Context, request *pb.GetFeedPostsRequest) (*pb.FeedPosts, error) {
+	// Get the posts
+	posts, err := svr.service.GetFeedPosts(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	return &pb.FeedPosts{Posts: pb.PostsToProto(posts)}, nil
+}
+
+func (svr *postServer) GetUserPosts(ctx context.Context, request *pb.GetUserPostsRequest) (*pb.UserPosts, error) {
+	// Ensure the required args are provided
+	if request.GetUserId() == "" {
+		return nil, status.Error(codes.InvalidArgument, "user id not provided")
+	}
+
+	// Get the posts
+	posts, err := svr.service.GetUserPosts(ctx, request.GetUserId())
+	if err != nil {
+		return nil, err
+	}
+
+	return &pb.UserPosts{Posts: pb.PostsToProto(posts)}, nil
+}
+
+func (svr *postServer) GetPanelPosts(ctx context.Context, request *pb.GetPanelPostsRequest) (*pb.PanelPosts, error) {
+	// Ensure the required args are provided
+	if request.GetPanelId() == "" {
+		return nil, status.Error(codes.InvalidArgument, "panel id not provided")
+	}
+
+	// Get the posts
+	posts, err := svr.service.GetPanelPosts(ctx, request.GetPanelId())
+	if err != nil {
+		return nil, err
+	}
+
+	return &pb.PanelPosts{Posts: pb.PostsToProto(posts)}, nil
+}