From 824cefd2eb3130d6c2635daf32d618b8b35fdea9 Mon Sep 17 00:00:00 2001 From: Alexander Scharinger Date: Wed, 23 Dec 2020 18:13:11 +0100 Subject: Add issue iterator --- bridge/github/iterator.go | 90 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) (limited to 'bridge/github') diff --git a/bridge/github/iterator.go b/bridge/github/iterator.go index f6a5fbd5..1f84d86f 100644 --- a/bridge/github/iterator.go +++ b/bridge/github/iterator.go @@ -31,6 +31,96 @@ type iterVars struct { type varmap map[string]interface{} + +func NewIterator_A(ctx context.Context, client *githubv4.Client, capacity int, owner, project string, since time.Time) *iterator_A { + i := &iterator_A{ + gc: client, + since: since, + ctx: ctx, + issueIter: issueIter{ + iterVars: newIterVars(capacity), + }, + } + i.issueIter.variables.setOwnerProject(owner, project) + return i +} + +func newIterVars(capacity int) iterVars { + return iterVars{ + index: -1, + capacity: capacity, + variables: varmap{}, + } +} + +func (v *varmap) setOwnerProject(owner, project string) { + (*v)["owner"] = githubv4.String(owner) + (*v)["name"] = githubv4.String(project) +} + +func (i *iterator_A) currIssueItem() *issue { + return &i.issueIter.query.Repository.Issues.Nodes[i.issueIter.index] +} + +// Error return last encountered error +func (i *iterator_A) Error() error { + if i.err != nil { + return i.err + } + return i.ctx.Err() // might return nil +} + +func (i *iterator_A) HasError() bool { + return i.err != nil || i.ctx.Err() != nil +} + +func (i *iterator_A) NextIssue() bool { + if i.HasError() { + return false + } + index := &i.issueIter.index + issues := &i.issueIter.query.Repository.Issues + issueItems := &issues.Nodes + if 0 <= *index && *index < len(*issueItems)-1 { + *index += 1 + return true + } + + if !issues.PageInfo.HasNextPage { + return false + } + nextIssue := i.queryIssue() + return nextIssue +} + +func (i *iterator_A) IssueValue() issue { + return *i.currIssueItem() +} + +func (i *iterator_A) queryIssue() bool { + ctx, cancel := context.WithTimeout(i.ctx, defaultTimeout) + defer cancel() + if endCursor := i.issueIter.query.Repository.Issues.PageInfo.EndCursor; endCursor != "" { + i.issueIter.variables["issueAfter"] = endCursor + } + if err := i.gc.Query(ctx, &i.issueIter.query, i.issueIter.variables); err != nil { + i.err = err + return false + } + // i.resetIssueEditVars() + // i.resetTimelineVars() + issueItems := &i.issueIter.query.Repository.Issues.Nodes + if len(*issueItems) <= 0 { + i.issueIter.index = -1 + return false + } + i.issueIter.index = 0 + return true +} + + + + type indexer struct{ index int } type issueEditIterator struct { -- cgit