/
mongodomainmanager.go
120 lines (108 loc) · 2.61 KB
/
mongodomainmanager.go
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package main
import (
"fmt"
"github.com/surma-dump/gouuid"
"labix.org/v2/mgo"
"labix.org/v2/mgo/bson"
)
type MongoDomainManager struct {
Collection *mgo.Collection
}
func (mdm *MongoDomainManager) ClaimDomain(name string, uid *gouuid.UUID) error {
_, err := mdm.FindDomain(name)
if err == nil {
return ErrAlreadyClaimed
} else if err != ErrDomainNotFound {
return fmt.Errorf("Invalid domain query result")
}
return mdm.Collection.Insert(&Domain{
Name: name,
Owners: []*gouuid.UUID{uid},
Aliases: []*Alias{},
})
}
func (mdm *MongoDomainManager) FindDomain(name string) (*Domain, error) {
domain := &Domain{}
mdm.Collection.EnsureIndexKey("name")
qry := mdm.Collection.Find(bson.M{
"name": name,
})
if count, _ := qry.Count(); count != 1 {
return nil, ErrDomainNotFound
}
err := qry.One(domain)
return domain, err
}
func (mdm *MongoDomainManager) DeleteDomain(name string, uid *gouuid.UUID) error {
mdm.Collection.EnsureIndexKey("name", "owners")
return mdm.Collection.Remove(bson.M{
"name": name,
"owners": uid,
})
}
func (mdm *MongoDomainManager) DomainsByOwner(uid *gouuid.UUID) ([]*Domain, error) {
domains := []*Domain{}
mdm.Collection.EnsureIndexKey("owners")
qry := mdm.Collection.Find(bson.M{
"owners": uid,
})
// FIXME: This can crash everything if there are *a lot* of
// domains. Paging?
err := qry.All(&domains)
return domains, err
}
func (mdm *MongoDomainManager) SetAlias(name string, alias *Alias, uid *gouuid.UUID) error {
// Update
if alias.ID != nil {
mdm.Collection.EnsureIndexKey("aliases.id")
return mdm.Collection.Update(bson.M{
"aliases.id": alias.ID,
}, bson.M{
"$set": bson.M{
"aliases.$": alias,
},
})
}
aid := gouuid.New()
alias.ID = &aid
mdm.Collection.EnsureIndexKey("name", "owners")
return mdm.Collection.Update(bson.M{
"name": name,
"owners": uid,
}, bson.M{
"$push": bson.M{
"aliases": alias,
},
})
}
func (mdm *MongoDomainManager) DeleteAlias(aid *gouuid.UUID, uid *gouuid.UUID) error {
mdm.Collection.EnsureIndexKey("owners", "aliases.id")
err := mdm.Collection.Update(bson.M{
"owners": uid,
"aliases.id": aid,
}, bson.M{
"$pull": bson.M{
"aliases": bson.M{
"id": aid,
},
},
})
return err
}
func (mdm *MongoDomainManager) FindAlias(domain string, alias string) (*Alias, error) {
d := &Domain{}
mdm.Collection.EnsureIndexKey("name")
err := mdm.Collection.Find(bson.M{
"name": domain,
}).Select(bson.M{
"aliases": bson.M{
"$elemMatch": bson.M{
"alias": alias,
},
},
}).One(d)
if err != nil || len(d.Aliases) <= 0 {
return nil, ErrAliasNotFound
}
return d.Aliases[0], nil
}