mirror of
https://github.com/hexolan/stocklet.git
synced 2026-03-26 11:41:18 +00:00
112 lines
3.7 KiB
Go
112 lines
3.7 KiB
Go
// Copyright (C) 2024 Declan Teevan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package user
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import (
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"context"
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"github.com/bufbuild/protovalidate-go"
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"github.com/rs/zerolog/log"
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"github.com/hexolan/stocklet/internal/pkg/errors"
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"github.com/hexolan/stocklet/internal/pkg/messaging"
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commonpb "github.com/hexolan/stocklet/internal/pkg/protogen/common/v1"
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pb "github.com/hexolan/stocklet/internal/pkg/protogen/user/v1"
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)
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// Interface for the service
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type UserService struct {
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pb.UnimplementedUserServiceServer
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store StorageController
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pbVal *protovalidate.Validator
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}
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// Interface for database methods
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// Flexibility for implementing seperate controllers for different databases (e.g. Postgres, MongoDB, etc)
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type StorageController interface {
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GetUser(ctx context.Context, userId string) (*pb.User, error)
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RegisterUser(ctx context.Context, email string, password string, firstName string, lastName string) (*pb.User, error)
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UpdateUserEmail(ctx context.Context, userId string, email string) error
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DeleteUser(ctx context.Context, userId string) (*pb.User, error)
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}
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// Interface for event consumption
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// Flexibility for seperate controllers for different messaging systems (e.g. Kafka, NATS, etc)
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type ConsumerController interface {
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messaging.ConsumerController
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Attach(svc pb.UserServiceServer)
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}
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// Create the shipping service
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func NewUserService(cfg *ServiceConfig, store StorageController) *UserService {
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// Initialise the protobuf validator
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pbVal, err := protovalidate.New()
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if err != nil {
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log.Panic().Err(err).Msg("failed to initialise protobuf validator")
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}
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// Initialise the service
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return &UserService{
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store: store,
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pbVal: pbVal,
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}
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}
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func (svc UserService) ServiceInfo(ctx context.Context, req *commonpb.ServiceInfoRequest) (*commonpb.ServiceInfoResponse, error) {
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return &commonpb.ServiceInfoResponse{
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Name: "user",
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Source: "https://github.com/hexolan/stocklet",
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SourceLicense: "AGPL-3.0",
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}, nil
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}
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func (svc UserService) ViewUser(ctx context.Context, req *pb.ViewUserRequest) (*pb.ViewUserResponse, error) {
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// Validate the request args
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if err := svc.pbVal.Validate(req); err != nil {
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// Provide the validation error to the user.
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return nil, errors.NewServiceError(errors.ErrCodeInvalidArgument, "invalid request: "+err.Error())
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}
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// Get user from DB
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user, err := svc.store.GetUser(ctx, req.Id)
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if err != nil {
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return nil, err
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}
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return &pb.ViewUserResponse{User: user}, nil
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}
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func (svc UserService) RegisterUser(ctx context.Context, req *pb.RegisterUserRequest) (*pb.RegisterUserResponse, error) {
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// Validate the request args
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if err := svc.pbVal.Validate(req); err != nil {
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// Provide the validation error to the user.
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return nil, errors.NewServiceError(errors.ErrCodeInvalidArgument, "invalid request: "+err.Error())
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}
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// Attempt to register the user
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// This process involves calling the auth service to add an auth method for the user
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user, err := svc.store.RegisterUser(ctx, req.Email, req.Password, req.FirstName, req.LastName)
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if err != nil {
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return nil, err
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}
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return &pb.RegisterUserResponse{User: user}, nil
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}
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