add the first 2 operations

1 files changed, 45 insertions, 0 deletions

diff --git a/bug/operations/create.go b/bug/operations/create.go
new file mode 100644
index 00000000..f004a12b
--- /dev/null
+++ b/bug/operations/create.go
@@ -0,0 +1,45 @@
+package operations
+
+import (
+	"github.com/MichaelMure/git-bug/bug"
+	"reflect"
+)
+
+// CreateOperation define the initial creation of a bug
+
+var _ Operation = CreateOperation{}
+
+type CreateOperation struct {
+	Title   string
+	Message string
+	Author  bug.Person
+}
+
+func NewCreateOp(author bug.Person, title, message string) CreateOperation {
+	return CreateOperation{
+		Title:   title,
+		Message: message,
+		Author:  author,
+	}
+}
+
+func (op CreateOperation) OpType() OperationType {
+	return CREATE
+}
+
+func (op CreateOperation) Apply(snapshot bug.Snapshot) bug.Snapshot {
+	empty := bug.Snapshot{}
+
+	if !reflect.DeepEqual(snapshot, empty) {
+		panic("Create operation should never be applied on a non-empty snapshot")
+	}
+
+	snapshot.Title = op.Title
+	snapshot.Comments = []bug.Comment{
+		{
+			Message: op.Message,
+			Author:  op.Author,
+		},
+	}
+	return snapshot
+}