first-commit

routers/web/shared/issue/issue_label.go

@@ -0,0 +1,76 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package issue
+
+import (
+	"strings"
+
+	"code.gitea.io/gitea/models/db"
+	issues_model "code.gitea.io/gitea/models/issues"
+	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/base"
+	"code.gitea.io/gitea/services/context"
+)
+
+// PrepareFilterIssueLabels reads the "labels" query parameter, sets `ctx.Data["Labels"]` and `ctx.Data["SelectLabels"]`
+func PrepareFilterIssueLabels(ctx *context.Context, repoID int64, owner *user_model.User) (ret struct {
+	AllLabels        []*issues_model.Label
+	SelectedLabelIDs []int64
+},
+) {
+	// 1,-2 means including label 1 and excluding label 2
+	// 0 means issues with no label
+	// blank means labels will not be filtered for issues
+	selectLabels := ctx.FormString("labels")
+	if selectLabels != "" {
+		var err error
+		ret.SelectedLabelIDs, err = base.StringsToInt64s(strings.Split(selectLabels, ","))
+		if err != nil {
+			ctx.Flash.Error(ctx.Tr("invalid_data", selectLabels), true)
+		}
+	}
+
+	var allLabels []*issues_model.Label
+	if repoID != 0 {
+		repoLabels, err := issues_model.GetLabelsByRepoID(ctx, repoID, "", db.ListOptions{})
+		if err != nil {
+			ctx.ServerError("GetLabelsByRepoID", err)
+			return ret
+		}
+		allLabels = append(allLabels, repoLabels...)
+	}
+
+	if owner != nil && owner.IsOrganization() {
+		orgLabels, err := issues_model.GetLabelsByOrgID(ctx, owner.ID, "", db.ListOptions{})
+		if err != nil {
+			ctx.ServerError("GetLabelsByOrgID", err)
+			return ret
+		}
+		allLabels = append(allLabels, orgLabels...)
+	}
+
+	// Get the exclusive scope for every label ID
+	labelExclusiveScopes := make([]string, 0, len(ret.SelectedLabelIDs))
+	for _, labelID := range ret.SelectedLabelIDs {
+		foundExclusiveScope := false
+		for _, label := range allLabels {
+			if label.ID == labelID || label.ID == -labelID {
+				labelExclusiveScopes = append(labelExclusiveScopes, label.ExclusiveScope())
+				foundExclusiveScope = true
+				break
+			}
+		}
+		if !foundExclusiveScope {
+			labelExclusiveScopes = append(labelExclusiveScopes, "")
+		}
+	}
+
+	for _, l := range allLabels {
+		l.LoadSelectedLabelsAfterClick(ret.SelectedLabelIDs, labelExclusiveScopes)
+	}
+	ctx.Data["Labels"] = allLabels
+	ctx.Data["SelectLabels"] = selectLabels
+	ret.AllLabels = allLabels
+	return ret
+}