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api_user.go
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api_user.go
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// Copyright 2018 The Nakama Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package server
import (
"context"
"github.com/doublemo/nakama-common/api"
"github.com/gofrs/uuid/v5"
"go.uber.org/zap"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func (s *ApiServer) GetUsers(ctx context.Context, in *api.GetUsersRequest) (*api.Users, error) {
// Before hook.
if fn := s.runtime.BeforeGetUsers(); fn != nil {
beforeFn := func(clientIP, clientPort string) error {
result, err, code := fn(ctx, s.logger, ctx.Value(ctxUserIDKey{}).(uuid.UUID).String(), ctx.Value(ctxUsernameKey{}).(string), ctx.Value(ctxVarsKey{}).(map[string]string), ctx.Value(ctxExpiryKey{}).(int64), clientIP, clientPort, in)
if err != nil {
return status.Error(code, err.Error())
}
if result == nil {
// If result is nil, requested resource is disabled.
s.logger.Warn("Intercepted a disabled resource.", zap.Any("resource", ctx.Value(ctxFullMethodKey{}).(string)), zap.String("uid", ctx.Value(ctxUserIDKey{}).(uuid.UUID).String()))
return status.Error(codes.NotFound, "Requested resource was not found.")
}
in = result
return nil
}
// Execute the before function lambda wrapped in a trace for stats measurement.
err := traceApiBefore(ctx, s.logger, s.metrics, ctx.Value(ctxFullMethodKey{}).(string), beforeFn)
if err != nil {
return nil, err
}
}
if len(in.GetIds()) == 0 && len(in.GetUsernames()) == 0 && len(in.GetFacebookIds()) == 0 {
return &api.Users{}, nil
}
var ids []string
if len(in.GetIds()) != 0 {
ids = make([]string, 0, len(in.GetIds()))
for _, id := range in.GetIds() {
if _, uuidErr := uuid.FromString(id); uuidErr != nil {
return nil, status.Error(codes.InvalidArgument, "ID '"+id+"' is not a valid system ID.")
}
ids = append(ids, id)
}
}
users, err := GetUsers(ctx, s.logger, s.db, s.statusRegistry, ids, in.GetUsernames(), in.GetFacebookIds())
if err != nil {
return nil, status.Error(codes.Internal, "Error retrieving user accounts.")
}
// After hook.
if fn := s.runtime.AfterGetUsers(); fn != nil {
afterFn := func(clientIP, clientPort string) error {
return fn(ctx, s.logger, ctx.Value(ctxUserIDKey{}).(uuid.UUID).String(), ctx.Value(ctxUsernameKey{}).(string), ctx.Value(ctxVarsKey{}).(map[string]string), ctx.Value(ctxExpiryKey{}).(int64), clientIP, clientPort, users, in)
}
// Execute the after function lambda wrapped in a trace for stats measurement.
traceApiAfter(ctx, s.logger, s.metrics, ctx.Value(ctxFullMethodKey{}).(string), afterFn)
}
return users, nil
}