feat: added API gateway

internal/gw/grpc_client/task_client.go

@@ -0,0 +1,82 @@
+package grpc_client
+
+import (
+	"context"
+	"fmt"
+
+	pb "datarush/pkg/api/task"
+
+	"google.golang.org/grpc"
+)
+
+type TaskClient struct {
+	client pb.TaskServiceClient
+	conn   *grpc.ClientConn
+}
+
+func NewTaskClient(ctx context.Context, address string, factory *ClientFactory) (*TaskClient, error) {
+	conn, err := factory.GetConnection(ctx, address)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create task client: %w", err)
+	}
+	return &TaskClient{client: pb.NewTaskServiceClient(conn), conn: conn}, nil
+}
+
+func (c *TaskClient) CreateTask(ctx context.Context, task *pb.Task) (*pb.Task, error) {
+	resp, err := c.client.CreateTask(ctx, task)
+	if err != nil {
+		return nil, fmt.Errorf("create task failed: %w", err)
+	}
+	return resp, nil
+}
+
+func (c *TaskClient) GetTask(ctx context.Context, taskID string) (*pb.Task, error) {
+	req := &pb.GetTaskRequest{TaskId: taskID}
+	resp, err := c.client.GetTask(ctx, req)
+	if err != nil {
+		return nil, fmt.Errorf("get task failed: %w", err)
+	}
+	return resp, nil
+}
+
+func (c *TaskClient) EditTask(ctx context.Context, task *pb.Task) (*pb.Task, error) {
+	resp, err := c.client.EditTask(ctx, task)
+	if err != nil {
+		return nil, fmt.Errorf("edit task failed: %w", err)
+	}
+	return resp, nil
+}
+
+func (c *TaskClient) DeleteTask(ctx context.Context, taskID string) error {
+	req := &pb.DeleteTaskRequest{TaskId: taskID}
+	_, err := c.client.DeleteTask(ctx, req)
+	if err != nil {
+		return fmt.Errorf("delete task failed: %w", err)
+	}
+	return nil
+}
+
+func (c *TaskClient) ListCompetitionTasks(ctx context.Context, competitionID string) ([]*pb.Task, error) {
+	req := &pb.ListCompetitionTasksRequest{CompetitionId: competitionID}
+	resp, err := c.client.ListCompetitionTasks(ctx, req)
+	if err != nil {
+		return nil, fmt.Errorf("list tasks failed: %w", err)
+	}
+	return resp.Tasks, nil
+}
+
+func (c *TaskClient) GetTaskAttachments(
+	ctx context.Context,
+	taskID string,
+	showPrivate bool,
+) ([]*pb.TaskAttachment, error) {
+	req := &pb.GetTaskAttachmentsRequest{
+		TaskId:      taskID,
+		ShowPrivate: &showPrivate,
+	}
+	resp, err := c.client.GetTaskAttachments(ctx, req)
+	if err != nil {
+		return nil, fmt.Errorf("get task attachments failed: %w", err)
+	}
+	return resp.Attachments, nil
+}