✨ Friends api

pkg/grpc/friendships.go

@@ -0,0 +1,46 @@
+package grpc
+
+import (
+	"context"
+	"fmt"
+	"git.solsynth.dev/hydrogen/identity/pkg/grpc/proto"
+	"git.solsynth.dev/hydrogen/identity/pkg/models"
+	"git.solsynth.dev/hydrogen/identity/pkg/services"
+	"github.com/samber/lo"
+)
+
+func (v *Server) ListFriendship(_ context.Context, request *proto.FriendshipLookupRequest) (*proto.ListFriendshipResponse, error) {
+	account, err := services.GetAccount(uint(request.GetAccountId()))
+	if err != nil {
+		return nil, err
+	}
+	friends, err := services.ListFriend(account, models.FriendshipStatus(request.GetStatus()))
+	if err != nil {
+		return nil, err
+	}
+
+	return &proto.ListFriendshipResponse{
+		Data: lo.Map(friends, func(item models.AccountFriendship, index int) *proto.FriendshipResponse {
+			return &proto.FriendshipResponse{
+				AccountId: uint64(item.AccountID),
+				RelatedId: uint64(item.RelatedID),
+				Status:    uint32(item.Status),
+			}
+		}),
+	}, nil
+}
+
+func (v *Server) GetFriendship(ctx context.Context, request *proto.FriendshipTwoSideLookupRequest) (*proto.FriendshipResponse, error) {
+	friend, err := services.GetFriendWithTwoSides(uint(request.GetAccountId()), uint(request.GetRelatedId()))
+	if err != nil {
+		return nil, err
+	} else if friend.Status != models.FriendshipStatus(request.GetStatus()) {
+		return nil, fmt.Errorf("status mismatch")
+	}
+
+	return &proto.FriendshipResponse{
+		AccountId: uint64(friend.AccountID),
+		RelatedId: uint64(friend.RelatedID),
+		Status:    uint32(friend.Status),
+	}, nil
+}

pkg/grpc/proto/friendships.proto

@@ -0,0 +1,31 @@
+syntax = "proto3";
+
+option go_package = ".;proto";
+
+package proto;
+
+service Friendships {
+  rpc ListFriendship(FriendshipLookupRequest) returns (ListFriendshipResponse) {}
+  rpc GetFriendship(FriendshipTwoSideLookupRequest) returns (FriendshipResponse) {}
+}
+
+message FriendshipLookupRequest {
+  uint64 account_id = 1;
+  uint32 status = 2;
+}
+
+message FriendshipTwoSideLookupRequest {
+  uint64 account_id = 1;
+  uint64 related_id = 2;
+  uint32 status = 3;
+}
+
+message ListFriendshipResponse {
+  repeated FriendshipResponse data = 1;
+}
+
+message FriendshipResponse {
+  uint64 account_id = 1;
+  uint64 related_id = 2;
+  uint32 status = 3;
+}

pkg/grpc/server.go

@@ -12,6 +12,7 @@ import (
 type Server struct {
 	proto.UnimplementedAuthServer
 	proto.UnimplementedNotifyServer
+	proto.UnimplementedFriendshipsServer
 }
 
 func StartGrpc() error {
@@ -24,6 +25,7 @@ func StartGrpc() error {
 
 	proto.RegisterAuthServer(server, &Server{})
 	proto.RegisterNotifyServer(server, &Server{})
+	proto.RegisterFriendshipsServer(server, &Server{})
 
 	reflection.Register(server)