1 files changed, 100 insertions, 0 deletions

diff --git a/modules/indexer/issues/dboptions.go b/modules/indexer/issues/dboptions.go
new file mode 100644
index 00000000..50916024
--- /dev/null
+++ b/modules/indexer/issues/dboptions.go
@@ -0,0 +1,100 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package issues
+
+import (
+	"code.gitea.io/gitea/models/db"
+	issues_model "code.gitea.io/gitea/models/issues"
+	"code.gitea.io/gitea/modules/optional"
+)
+
+func ToSearchOptions(keyword string, opts *issues_model.IssuesOptions) *SearchOptions {
+	searchOpt := &SearchOptions{
+		Keyword:   keyword,
+		RepoIDs:   opts.RepoIDs,
+		AllPublic: opts.AllPublic,
+		IsPull:    opts.IsPull,
+		IsClosed:  opts.IsClosed,
+	}
+
+	if len(opts.LabelIDs) == 1 && opts.LabelIDs[0] == 0 {
+		searchOpt.NoLabelOnly = true
+	} else {
+		for _, labelID := range opts.LabelIDs {
+			if labelID > 0 {
+				searchOpt.IncludedLabelIDs = append(searchOpt.IncludedLabelIDs, labelID)
+			} else {
+				searchOpt.ExcludedLabelIDs = append(searchOpt.ExcludedLabelIDs, -labelID)
+			}
+		}
+		// opts.IncludedLabelNames and opts.ExcludedLabelNames are not supported here.
+		// It's not a TO DO, it's just unnecessary.
+	}
+
+	if len(opts.MilestoneIDs) == 1 && opts.MilestoneIDs[0] == db.NoConditionID {
+		searchOpt.MilestoneIDs = []int64{0}
+	} else {
+		searchOpt.MilestoneIDs = opts.MilestoneIDs
+	}
+
+	if opts.ProjectID > 0 {
+		searchOpt.ProjectID = optional.Some(opts.ProjectID)
+	} else if opts.ProjectID == -1 { // FIXME: this is inconsistent from other places
+		searchOpt.ProjectID = optional.Some[int64](0) // Those issues with no project(projectid==0)
+	}
+
+	// See the comment of issues_model.SearchOptions for the reason why we need to convert
+	convertID := func(id int64) optional.Option[int64] {
+		if id > 0 {
+			return optional.Some(id)
+		}
+		if id == db.NoConditionID {
+			return optional.None[int64]()
+		}
+		return nil
+	}
+
+	searchOpt.ProjectColumnID = convertID(opts.ProjectColumnID)
+	searchOpt.PosterID = convertID(opts.PosterID)
+	searchOpt.AssigneeID = convertID(opts.AssigneeID)
+	searchOpt.MentionID = convertID(opts.MentionedID)
+	searchOpt.ReviewedID = convertID(opts.ReviewedID)
+	searchOpt.ReviewRequestedID = convertID(opts.ReviewRequestedID)
+	searchOpt.SubscriberID = convertID(opts.SubscriberID)
+
+	if opts.UpdatedAfterUnix > 0 {
+		searchOpt.UpdatedAfterUnix = optional.Some(opts.UpdatedAfterUnix)
+	}
+	if opts.UpdatedBeforeUnix > 0 {
+		searchOpt.UpdatedBeforeUnix = optional.Some(opts.UpdatedBeforeUnix)
+	}
+
+	searchOpt.Paginator = opts.Paginator
+
+	switch opts.SortType {
+	case "", "latest":
+		searchOpt.SortBy = SortByCreatedDesc
+	case "oldest":
+		searchOpt.SortBy = SortByCreatedAsc
+	case "recentupdate":
+		searchOpt.SortBy = SortByUpdatedDesc
+	case "leastupdate":
+		searchOpt.SortBy = SortByUpdatedAsc
+	case "mostcomment":
+		searchOpt.SortBy = SortByCommentsDesc
+	case "leastcomment":
+		searchOpt.SortBy = SortByCommentsAsc
+	case "nearduedate":
+		searchOpt.SortBy = SortByDeadlineAsc
+	case "farduedate":
+		searchOpt.SortBy = SortByDeadlineDesc
+	case "priority", "priorityrepo", "project-column-sorting":
+		// Unsupported sort type for search
+		fallthrough
+	default:
+		searchOpt.SortBy = SortByUpdatedDesc
+	}
+
+	return searchOpt
+}