/
user.go
61 lines (48 loc) · 1.47 KB
/
user.go
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package services
import (
"context"
"time"
"github.com/roger-king/tasker/models"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
)
// MongoService - a service to interact with a task
type UserService struct {
Collection *mongo.Collection
}
// NewUserService - initializes task service
func NewUserService(db *mongo.Client) *UserService {
ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
defer cancel()
collection := db.Database("tasker").Collection("users")
collection.Indexes().CreateOne(ctx, mongo.IndexModel{Keys: bson.M{
"username": 1,
}, Options: options.Index().SetUnique(true)})
return &UserService{
Collection: collection,
}
}
func (u *UserService) CreateUser(newUser *models.User) (*models.User, error) {
newUser.BeforeCreate()
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
result := u.Collection.FindOneAndReplace(ctx, bson.M{"username": newUser.UserName}, newUser)
if result.Err() != nil {
_, err := u.Collection.InsertOne(ctx, newUser)
if err != nil {
return nil, err
}
}
return newUser, nil
}
func (u *UserService) FindUser(username string) (*models.User, error) {
var user models.User
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
err := u.Collection.FindOne(ctx, bson.M{"username": username}).Decode(&user)
if err != nil {
return nil, err
}
return &user, nil
}