fix: convert everything which looks like an url to a <a href html element

Related https://elk.zone/social.linux.pizza/@vikunja/111756305763288228

go.mod

@@ -178,6 +178,7 @@ require (
 	google.golang.org/protobuf v1.31.0 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
+	mvdan.cc/xurls/v2 v2.5.0 // indirect
 	sigs.k8s.io/yaml v1.3.0 // indirect
 )
 

go.sum

@@ -757,6 +757,8 @@ modernc.org/tcl v1.15.0/go.mod h1:xRoGotBZ6dU+Zo2tca+2EqVEeMmOUBzHnhIwq4YrVnE=
 modernc.org/token v1.0.1 h1:A3qvTqOwexpfZZeyI0FeGPDlSWX5pjZu9hF4lU+EKWg=
 modernc.org/token v1.0.1/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=
 modernc.org/z v1.7.0/go.mod h1:hVdgNMh8ggTuRG1rGU8x+xGRFfiQUIAw0ZqlPy8+HyQ=
+mvdan.cc/xurls/v2 v2.5.0 h1:lyBNOm8Wo71UknhUs4QTFUNNMyxy2JEIaKKo0RWOh+8=
+mvdan.cc/xurls/v2 v2.5.0/go.mod h1:yQgaGQ1rFtJUzkmKiHYSSfuQxqfYmd//X6PxvholpeE=
 nullprogram.com/x/optparse v1.0.0/go.mod h1:KdyPE+Igbe0jQUrVfMqDMeJQIJZEuyV7pjYmp6pbG50=
 rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
 sigs.k8s.io/yaml v1.3.0 h1:a2VclLzOGrwOHDiV8EfBGhvjHvP46CtW5j6POvhYGGo=

pkg/migration/20240114224713.go

@@ -0,0 +1,105 @@
+// Vikunja is a to-do list application to facilitate your life.
+// Copyright 2018-present Vikunja and contributors. All rights reserved.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public Licensee as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public Licensee for more details.
+//
+// You should have received a copy of the GNU Affero General Public Licensee
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package migration
+
+import (
+	"strings"
+
+	"mvdan.cc/xurls/v2"
+	"src.techknowlogick.com/xormigrate"
+	"xorm.io/xorm"
+)
+
+func convertLinksToHTMLElements(input string) (output string) {
+
+	links := xurls.Strict().FindAllString(input, -1)
+
+	if len(links) == 0 {
+		return input
+	}
+
+	unique := make(map[string]bool)
+	for _, link := range links {
+		unique[link] = true
+	}
+
+	for link := range unique {
+
+		if strings.Contains(input, `href="`+link) {
+			continue
+		}
+
+		input = strings.ReplaceAll(input, link, `<a href="`+link+`">`+link+`</a>`)
+	}
+
+	return input
+}
+
+func convertDescriptionToLinks(tx *xorm.Engine, table string, column string) (err error) {
+	items := []map[string]interface{}{}
+	err = tx.Table(table).
+		Select("id, " + column).
+		Find(&items)
+	if err != nil {
+		return
+	}
+
+	for _, task := range items {
+		if task[column] == "" || task[column] == "<p></p>" {
+			continue
+		}
+
+		task[column] = convertLinksToHTMLElements(task[column].(string))
+		_, err = tx.Where("id = ?", task["id"]).
+			Table(table).
+			Cols(column).
+			Update(task)
+		if err != nil {
+			return
+		}
+	}
+
+	return
+}
+
+func init() {
+	migrations = append(migrations, &xormigrate.Migration{
+		ID:          "20240114224713",
+		Description: "Convert all non-html links to html a href",
+		Migrate: func(tx *xorm.Engine) (err error) {
+
+			for _, table := range []string{
+				"tasks",
+				"labels",
+				"projects",
+				"saved_filters",
+				"teams",
+			} {
+				err = convertDescriptionToLinks(tx, table, "description")
+				if err != nil {
+					return
+				}
+			}
+
+			err = convertDescriptionToLinks(tx, "task_comments", "comment")
+			return
+		},
+		Rollback: func(tx *xorm.Engine) error {
+			return nil
+		},
+	})
+}