Created
November 8, 2013 11:40
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My naive mgo-based app file structure
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import ( | |
"labix.org/v2/mgo" | |
"log" | |
"os" | |
"regexp" | |
) | |
var ( | |
mongoSession *mgo.Session | |
database *mgo.Database | |
) | |
func connectWithDB() { | |
var err error | |
dbUri := os.Getenv("MONGODB_URI") | |
if dbUri == "" { | |
dbUri = "localhost" | |
} | |
dbName := regexp.MustCompile("([\\w-]+)$").FindString(dbUri) | |
if dbName == "" { | |
dbName = "my-db" | |
} | |
if mongoSession, err = mgo.Dial(dbUri); err != nil { | |
panic(err) | |
} | |
log.Println("Connected to mongodb") | |
database = mongoSession.DB(dbName) | |
} | |
func initCollections() { | |
UsersCollection.Collection = database.C("users") | |
} | |
func init() { | |
connectWithDB() | |
initCollections() | |
} |
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package models | |
import ( | |
"instapray.com/crypto" | |
"labix.org/v2/mgo/bson" | |
) | |
type User struct { | |
Id bson.ObjectId `bson:"_id,omitempty"` | |
Login string `bson:"login"` | |
Email string `bson:"email"` | |
PasswordHash string `bson:"password_hash"` | |
Firstname string `bson:"firstname,omitempty"` | |
Lastname string `bson:"lastname,omitempty"` | |
} |
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package main | |
import "mypackage/models" | |
func userHandler(w http.ResponseWriter, r *http.Request) { | |
models.UsersCollection.DoSomething() // ... | |
} |
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package models | |
import ( | |
"labix.org/v2/mgo" | |
"labix.org/v2/mgo/bson" | |
"strings" | |
) | |
type UsersCollectionType struct { | |
*mgo.Collection | |
} | |
func (c UsersCollectionType) FindByLogin(login string) (User, error) { | |
var user User | |
login = strings.ToLower(login) | |
if err := c.Collection.Find(M{"l": login}).One(&user); err != nil { | |
return user, err | |
} else { | |
return user, nil | |
} | |
} | |
var UsersCollection UsersCollectionType |
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