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repository.go
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repository.go
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package db
import (
"github.com/boltdb/bolt"
"github.com/gitchain/gitchain/repository"
)
func (db *T) PutRepository(repo *repository.T) (e error) {
writable(&e, db, func(dbtx *bolt.Tx) bool {
bucket, e := dbtx.CreateBucketIfNotExists([]byte("repositories"))
if e != nil {
return false
}
encoded, e := repo.Encode()
if e != nil {
return false
}
e = bucket.Put([]byte(repo.Name), encoded)
if e != nil {
return false
}
if repo.Status == repository.PENDING {
pendingBucket, e := dbtx.CreateBucketIfNotExists([]byte("pendingrepositories"))
if e != nil {
return false
}
e = pendingBucket.Put([]byte(repo.Name), []byte{})
if e != nil {
return false
}
}
if repo.Status == repository.ACTIVE {
pendingBucket, err := dbtx.CreateBucketIfNotExists([]byte("pendingrepositories"))
if e != nil {
return false
}
e = pendingBucket.Delete([]byte(repo.Name))
if err != nil {
return false
}
}
return true
})
return
}
func (db *T) GetRepository(name string) (r *repository.T, e error) {
readable(&e, db, func(dbtx *bolt.Tx) {
bucket := dbtx.Bucket([]byte("repositories"))
if bucket == nil {
return
}
b := bucket.Get([]byte(name))
if b == nil {
return
} else {
r, e = repository.Decode(b)
}
})
return
}
func (db *T) ListRepositories() (keys []string) {
readable(nil, db, func(dbtx *bolt.Tx) {
bucket := dbtx.Bucket([]byte("repositories"))
if bucket == nil {
return
}
keys = make([]string, 0)
bucket.ForEach(func(k, v []byte) error {
keys = append(keys, string(k))
return nil
})
})
return
}
func (db *T) ListPendingRepositories() (keys []string) {
readable(nil, db, func(dbtx *bolt.Tx) {
bucket := dbtx.Bucket([]byte("pendingrepositories"))
if bucket == nil {
return
}
keys = make([]string, 0)
bucket.ForEach(func(k, v []byte) error {
keys = append(keys, string(k))
return nil
})
})
return
}
func (db *T) PutRef(name, ref string, new repository.Ref) (e error) {
writable(&e, db, func(dbtx *bolt.Tx) bool {
bucket, e := dbtx.CreateBucketIfNotExists([]byte("repositories"))
if e != nil {
return false
}
bucket, e = dbtx.CreateBucketIfNotExists(append([]byte("refs"), []byte(name)...))
if e != nil {
return false
}
e = bucket.Put([]byte(ref), new)
return e == nil
})
return
}
func (db *T) GetRef(name, ref string) (h repository.Ref, e error) {
readable(&e, db, func(dbtx *bolt.Tx) {
bucket := dbtx.Bucket([]byte("repositories"))
if bucket == nil {
h = repository.EmptyRef() // return no error because there were no repositories saved
return
}
bucket = dbtx.Bucket(append([]byte("refs"), []byte(name)...))
if bucket == nil {
h = repository.EmptyRef() // return no error because there were no repositories saved
return
}
h = bucket.Get([]byte(ref))
if h == nil {
h = repository.EmptyRef()
}
})
return
}
func (db *T) ListRefs(name string) (refs []string, e error) {
readable(&e, db, func(dbtx *bolt.Tx) {
bucket := dbtx.Bucket([]byte("repositories"))
if bucket == nil {
refs = []string{} // return no error because there were no repositories saved
return
}
bucket = dbtx.Bucket(append([]byte("refs"), []byte(name)...))
if bucket == nil {
refs = []string{} // return no error because there were no repositories saved
return
}
refs = make([]string, 0)
bucket.ForEach(func(k, v []byte) error {
refs = append(refs, string(k))
return nil
})
})
return
}