github.com/abayer/test-infra@v0.0.5/mungegithub/mungers/matchers/comment/notification.go (about) 1 /* 2 Copyright 2016 The Kubernetes Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package comment 18 19 import ( 20 "regexp" 21 "strings" 22 23 mgh "k8s.io/test-infra/mungegithub/github" 24 ) 25 26 // Notification is a message sent by the bot. Easy to find and create. 27 type Notification struct { 28 Name string 29 Arguments string 30 Context string 31 } 32 33 var ( 34 // Matches a notification: [NOTIFNAME] Arguments\n\nContext 35 notificationRegex = regexp.MustCompile(`(?s)^\[([^\]\s]+)\] *?([^\n]*)(?:\n\n(.*))?`) 36 ) 37 38 // ParseNotification attempts to read a notification from a comment 39 // Returns nil if the comment doesn't contain a notification 40 func ParseNotification(comment *Comment) *Notification { 41 if comment == nil || comment.Body == nil { 42 return nil 43 } 44 45 match := notificationRegex.FindStringSubmatch(*comment.Body) 46 if match == nil { 47 return nil 48 } 49 50 return NewNotification(match[1], match[2], match[3]) 51 } 52 53 // NewNotification creates a new notification 54 func NewNotification(name, arguments, context string) *Notification { 55 return &Notification{ 56 Name: strings.ToUpper(name), 57 Arguments: strings.TrimSpace(arguments), 58 Context: strings.TrimSpace(context), 59 } 60 } 61 62 // String converts the notification 63 func (n *Notification) String() string { 64 str := "[" + strings.ToUpper(n.Name) + "]" 65 66 args := strings.TrimSpace(n.Arguments) 67 if args != "" { 68 str += " " + args 69 } 70 71 context := strings.TrimSpace(n.Context) 72 if context != "" { 73 str += "\n\n" + context 74 } 75 76 return str 77 } 78 79 // Post a new notification on Github 80 func (n Notification) Post(obj *mgh.MungeObject) error { 81 return obj.WriteComment(n.String()) 82 } 83 84 // Equal compares this notification to the given notification for equivalence 85 func (n *Notification) Equal(o *Notification) bool { 86 return (o != nil && n.Name == o.Name && n.Arguments == o.Arguments && n.Context == o.Context) 87 }