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-rw-r--r--bridge/github/iterator.go38
1 files changed, 25 insertions, 13 deletions
diff --git a/bridge/github/iterator.go b/bridge/github/iterator.go
index 2aa15034..5935276a 100644
--- a/bridge/github/iterator.go
+++ b/bridge/github/iterator.go
@@ -49,9 +49,6 @@ type iterator struct {
// sticky error
err error
- // started
- started bool
-
// timeline iterator
timeline timelineIterator
@@ -62,8 +59,9 @@ type iterator struct {
commentEdit commentEditIterator
}
+// NewIterator create and initalize a new iterator
func NewIterator(user, project, token string, since time.Time) *iterator {
- return &iterator{
+ i := &iterator{
gc: buildClient(token),
since: since,
capacity: 10,
@@ -91,6 +89,9 @@ func NewIterator(user, project, token string, since time.Time) *iterator {
},
},
}
+
+ i.initTimelineQueryVariables()
+ return i
}
// init issue timeline variables
@@ -159,14 +160,15 @@ func (i *iterator) queryIssue() bool {
return true
}
-// Next issue
+// NextIssue try to query the next issue and return true. Only one issue is
+// queried at each call.
func (i *iterator) NextIssue() bool {
- // we make the first move
- if !i.started {
- // init variables and goto queryIssue block
- i.initTimelineQueryVariables()
- i.started = true
- return i.queryIssue()
+ // if $issueAfter variable is nil we can directly make the first query
+ if i.timeline.variables["issueAfter"] == (*githubv4.String)(nil) {
+ nextIssue := i.queryIssue()
+ // prevent from infinite loop by setting a non nil cursor
+ i.timeline.variables["issueAfter"] = i.timeline.query.Repository.Issues.PageInfo.EndCursor
+ return nextIssue
}
if i.err != nil {
@@ -189,11 +191,14 @@ func (i *iterator) NextIssue() bool {
return i.queryIssue()
}
+// IssueValue return the actual issue value
func (i *iterator) IssueValue() issueTimeline {
return i.timeline.query.Repository.Issues.Nodes[0]
}
-func (i *iterator) NextTimeline() bool {
+// NextTimelineItem return true if there is a next timeline item and increments the index by one.
+// It is used iterates over all the timeline items. Extra queries are made if it is necessary.
+func (i *iterator) NextTimelineItem() bool {
if i.err != nil {
return false
}
@@ -225,7 +230,8 @@ func (i *iterator) NextTimeline() bool {
return true
}
-func (i *iterator) TimelineValue() timelineItem {
+// TimelineItemValue return the actual timeline item value
+func (i *iterator) TimelineItemValue() timelineItem {
return i.timeline.query.Repository.Issues.Nodes[0].Timeline.Edges[i.timeline.index].Node
}
@@ -259,6 +265,8 @@ func (i *iterator) nextValidIssueEdit() bool {
return true
}
+// NextIssueEdit return true if there is a next issue edit and increments the index by one.
+// It is used iterates over all the issue edits. Extra queries are made if it is necessary.
func (i *iterator) NextIssueEdit() bool {
if i.err != nil {
return false
@@ -314,6 +322,7 @@ func (i *iterator) NextIssueEdit() bool {
return i.queryIssueEdit()
}
+// IssueEditValue return the actual issue edit value
func (i *iterator) IssueEditValue() userContentEdit {
// if we are using issue edit query
if i.timeline.issueEdit.index == -2 {
@@ -351,6 +360,8 @@ func (i *iterator) nextValidCommentEdit() bool {
return true
}
+// NextCommentEdit return true if there is a next comment edit and increments the index by one.
+// It is used iterates over all the comment edits. Extra queries are made if it is necessary.
func (i *iterator) NextCommentEdit() bool {
if i.err != nil {
return false
@@ -403,6 +414,7 @@ func (i *iterator) NextCommentEdit() bool {
return i.queryCommentEdit()
}
+// CommentEditValue return the actual comment edit value
func (i *iterator) CommentEditValue() userContentEdit {
if i.timeline.commentEdit.index == -2 {
return i.commentEdit.query.Repository.Issues.Nodes[0].Timeline.Nodes[0].IssueComment.UserContentEdits.Nodes[i.commentEdit.index]