1 files changed, 99 insertions, 0 deletions
diff --git a/repos.sort.go b/repos.sort.go
new file mode 100644
index 0000000..b4656e6
--- /dev/null
+++ b/repos.sort.go
@@ -0,0 +1,99 @@
+package gitpb
+
+// this is becoming a standard format
+// todo: autogenerate this from the .proto file?
+
+import (
+	"fmt"
+	"os"
+	"sort"
+	sync "sync"
+)
+
+// bad global lock until I figure out some other plan
+var repolock sync.RWMutex
+
+type RepoIterator struct {
+	sync.RWMutex
+
+	packs []*Repo
+	index int
+}
+
+// NewRepoIterator initializes a new iterator.
+func NewRepoIterator(packs []*Repo) *RepoIterator {
+	return &RepoIterator{packs: packs}
+}
+
+// Scan moves to the next element and returns false if there are no more packs.
+func (it *RepoIterator) Scan() bool {
+	if it.index >= len(it.packs) {
+		return false
+	}
+	it.index++
+	return true
+}
+
+// Repo returns the current repo.
+func (it *RepoIterator) Repo() *Repo {
+	if it.packs[it.index-1] == nil {
+		for i, d := range it.packs {
+			fmt.Println("i =", i, d)
+		}
+		fmt.Println("len =", len(it.packs))
+		fmt.Println("repo == nil", it.index, it.index-1)
+		os.Exit(-1)
+	}
+	return it.packs[it.index-1]
+}
+
+// Use Scan() in a loop, similar to a while loop
+//
+//	for iterator.Scan() {
+//		d := iterator.Repo()
+//		fmt.Println("Repo UUID:", d.Uuid)
+//	}
+
+func (r *Repos) All() *RepoIterator {
+	repoPointers := r.selectAllRepo()
+
+	iterator := NewRepoIterator(repoPointers)
+	return iterator
+}
+
+func (r *Repos) SortByName() *RepoIterator {
+	packs := r.selectAllRepo()
+
+	sort.Sort(RepoByName(packs))
+
+	iterator := NewRepoIterator(packs)
+	return iterator
+}
+
+func (all *Repos) Len() int {
+	repolock.RLock()
+	defer repolock.RUnlock()
+
+	return len(all.Repos)
+}
+
+type RepoByName []*Repo
+
+func (a RepoByName) Len() int           { return len(a) }
+func (a RepoByName) Less(i, j int) bool { return a[i].GoPath < a[j].GoPath }
+func (a RepoByName) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }
+
+// safely returns a slice of pointers to the Repo protobufs
+func (all *Repos) selectAllRepo() []*Repo {
+	repolock.RLock()
+	defer repolock.RUnlock()
+
+	// Create a new slice to hold pointers to each Repo
+	var aRepos []*Repo
+	aRepos = make([]*Repo, len(all.Repos))
+	for i, p := range all.Repos {
+		aRepos[i] = p // Copy pointers for safe iteration
+	}
+
+	return aRepos
+}