Allow filtering issues by any assignee

This is the opposite of the "No assignee" filter.

It will match all issues that have at least one assignee.

models/db/search.go

@@ -30,6 +30,11 @@ const (
 // eg: "milestone_id=-1" means "find the items without any milestone.
 const NoConditionID int64 = -1
 
+// AnyConditionID means a condition to filter the records which match any id.
+// The inverse of the above NoConditionID
+// eg: "assignee_id=-2" means "find the issues with an assignee"
+const AnyConditionID int64 = -2
+
 // NonExistingID means a condition to match no result (eg: a non-existing user)
 // It doesn't use -1 or -2 because they are used as builtin users.
 const NonExistingID int64 = -1000000

models/issues/issue_search.go

@@ -359,6 +359,8 @@ func applyAssigneeCondition(sess *xorm.Session, assigneeID optional.Option[int64
 	}
 	if assigneeID.Value() == db.NoConditionID {
 		sess.Where("issue.id NOT IN (SELECT issue_id FROM issue_assignees)")
+	} else if assigneeID.Value() == db.AnyConditionID {
+		sess.Where("issue.id IN (SELECT issue_id FROM issue_assignees)")
 	} else {
 		sess.Join("INNER", "issue_assignees", "issue.id = issue_assignees.issue_id").
 			And("issue_assignees.assignee_id = ?", assigneeID.Value())

options/locale/locale_en-US.ini

@@ -1531,6 +1531,7 @@ issues.filter_project_none = No project
 issues.filter_assignee = Assignee
 issues.filter_assginee_no_select = All assignees
 issues.filter_assginee_no_assignee = No assignee
+issues.filter_assignee_any_assignee = Any assignee
 issues.filter_poster = Author
 issues.filter_user_placeholder = Search users
 issues.filter_user_no_select = All users

templates/repo/issue/filter_item_user_assign.tmpl

@@ -6,6 +6,7 @@
 * TextFilterTitle
 * TextZeroValue: the text for "all issues"
 * TextNegativeOne: the text for "issues with no assignee"
+* TextNegativeTwo: the text for "issues with any assignee"
 */}}
 {{$queryLink := .QueryLink}}
 <div class="item ui dropdown jump {{if not .UserSearchList}}disabled{{end}}">
@@ -21,6 +22,9 @@
 		{{if $.TextNegativeOne}}
 			<a class="item {{if eq .SelectedUserId -1}}selected{{end}}" href="{{QueryBuild $queryLink $.QueryParamKey -1}}">{{$.TextNegativeOne}}</a>
 		{{end}}
+		{{if $.TextNegativeTwo}}
+			<a class="item {{if eq .SelectedUserId -2}}selected{{end}}" href="{{QueryBuild $queryLink $.QueryParamKey -2}}">{{$.TextNegativeTwo}}</a>
+		{{end}}
 		<div class="divider"></div>
 		{{range .UserSearchList}}
 			<a class="item {{if eq $.SelectedUserId .ID}}selected{{end}}" href="{{QueryBuild $queryLink $.QueryParamKey .ID}}">

templates/repo/issue/filter_list.tmpl

@@ -96,6 +96,7 @@
 	"TextFilterTitle" (ctx.Locale.Tr "repo.issues.filter_assignee")
 	"TextZeroValue" (ctx.Locale.Tr "repo.issues.filter_assginee_no_select")
 	"TextNegativeOne" (ctx.Locale.Tr "repo.issues.filter_assginee_no_assignee")
+	"TextNegativeTwo" (ctx.Locale.Tr "repo.issues.filter_assignee_any_assignee")
 }}
 
 {{if .IsSigned}}