Expose actors and participants in snapshot and bug excerpt

Append operations authors to each list on Apply() call

Expose actors and participants in graphql

Add actor/participant query filter and documentation

8 files changed, 46 insertions, 8 deletions

diff --git a/bug/op_add_comment.go b/bug/op_add_comment.go
index c1e0838b..8cde20e8 100644
--- a/bug/op_add_comment.go
+++ b/bug/op_add_comment.go
@@ -29,6 +29,9 @@ func (op *AddCommentOperation) Hash() (git.Hash, error) {
 }
 
 func (op *AddCommentOperation) Apply(snapshot *Snapshot) {
+	snapshot.addActor(op.Author)
+	snapshot.addParticipant(op.Author)
+
 	hash, err := op.Hash()
 	if err != nil {
 		// Should never error unless a programming error happened
diff --git a/bug/op_create.go b/bug/op_create.go
index d5852db9..f3757f89 100644
--- a/bug/op_create.go
+++ b/bug/op_create.go
@@ -30,6 +30,9 @@ func (op *CreateOperation) Hash() (git.Hash, error) {
 }
 
 func (op *CreateOperation) Apply(snapshot *Snapshot) {
+	snapshot.addActor(op.Author)
+	snapshot.addParticipant(op.Author)
+
 	hash, err := op.Hash()
 	if err != nil {
 		// Should never error unless a programming error happened
diff --git a/bug/op_create_test.go b/bug/op_create_test.go
index aa1d8c10..2a88f256 100644
--- a/bug/op_create_test.go
+++ b/bug/op_create_test.go
@@ -35,8 +35,10 @@ func TestCreate(t *testing.T) {
 		Comments: []Comment{
 			comment,
 		},
-		Author:    rene,
-		CreatedAt: create.Time(),
+		Author:       rene,
+		Participants: []identity.Interface{rene},
+		Actors:       []identity.Interface{rene},
+		CreatedAt:    create.Time(),
 		Timeline: []TimelineItem{
 			&CreateTimelineItem{
 				CommentTimelineItem: NewCommentTimelineItem(hash, comment),
diff --git a/bug/op_edit_comment.go b/bug/op_edit_comment.go
index 5a223e01..cf5c2d51 100644
--- a/bug/op_edit_comment.go
+++ b/bug/op_edit_comment.go
@@ -33,6 +33,8 @@ func (op *EditCommentOperation) Apply(snapshot *Snapshot) {
 	// Todo: currently any message can be edited, even by a different author
 	// crypto signature are needed.
 
+	snapshot.addActor(op.Author)
+
 	var target TimelineItem
 	var commentIndex int
 
diff --git a/bug/op_label_change.go b/bug/op_label_change.go
index 84542b6e..a2108941 100644
--- a/bug/op_label_change.go
+++ b/bug/op_label_change.go
@@ -31,6 +31,8 @@ func (op *LabelChangeOperation) Hash() (git.Hash, error) {
 
 // Apply apply the operation
 func (op *LabelChangeOperation) Apply(snapshot *Snapshot) {
+	snapshot.addActor(op.Author)
+
 	// Add in the set
 AddLoop:
 	for _, added := range op.Added {
diff --git a/bug/op_set_status.go b/bug/op_set_status.go
index 0105d78d..57d4cf22 100644
--- a/bug/op_set_status.go
+++ b/bug/op_set_status.go
@@ -27,6 +27,7 @@ func (op *SetStatusOperation) Hash() (git.Hash, error) {
 
 func (op *SetStatusOperation) Apply(snapshot *Snapshot) {
 	snapshot.Status = op.Status
+	snapshot.addActor(op.Author)
 
 	hash, err := op.Hash()
 	if err != nil {
diff --git a/bug/op_set_title.go b/bug/op_set_title.go
index 084838cb..ca27adee 100644
--- a/bug/op_set_title.go
+++ b/bug/op_set_title.go
@@ -31,6 +31,7 @@ func (op *SetTitleOperation) Hash() (git.Hash, error) {
 
 func (op *SetTitleOperation) Apply(snapshot *Snapshot) {
 	snapshot.Title = op.Title
+	snapshot.addActor(op.Author)
 
 	hash, err := op.Hash()
 	if err != nil {
diff --git a/bug/snapshot.go b/bug/snapshot.go
index 83b94416..53f6873a 100644
--- a/bug/snapshot.go
+++ b/bug/snapshot.go
@@ -12,12 +12,14 @@ import (
 type Snapshot struct {
 	id string
 
-	Status    Status
-	Title     string
-	Comments  []Comment
-	Labels    []Label
-	Author    identity.Interface
-	CreatedAt time.Time
+	Status       Status
+	Title        string
+	Comments     []Comment
+	Labels       []Label
+	Author       identity.Interface
+	Actors       []identity.Interface
+	Participants []identity.Interface
+	CreatedAt    time.Time
 
 	Timeline []TimelineItem
 
@@ -62,3 +64,25 @@ func (snap *Snapshot) SearchTimelineItem(hash git.Hash) (TimelineItem, error) {
 
 	return nil, fmt.Errorf("timeline item not found")
 }
+
+// append the operation author to the actors list
+func (snap *Snapshot) addActor(actor identity.Interface) {
+	for _, a := range snap.Actors {
+		if actor.Id() == a.Id() {
+			return
+		}
+	}
+
+	snap.Actors = append(snap.Actors, actor)
+}
+
+// append the operation author to the participants list
+func (snap *Snapshot) addParticipant(participant identity.Interface) {
+	for _, p := range snap.Participants {
+		if participant.Id() == p.Id() {
+			return
+		}
+	}
+
+	snap.Participants = append(snap.Participants, participant)
+}