github.com/abayer/test-infra@v0.0.5/mungegithub/mungers/matchers/comment/finder.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  	"time"
    21  )
    22  
    23  // FilteredComments is a list of comments
    24  type FilteredComments []*Comment
    25  
    26  // GetLast returns the last comment in a series of comments
    27  func (f FilteredComments) GetLast() *Comment {
    28  	if f.Empty() {
    29  		return nil
    30  	}
    31  	return f[len(f)-1]
    32  }
    33  
    34  // Empty Checks to see if the list of comments is empty
    35  func (f FilteredComments) Empty() bool {
    36  	return len(f) == 0
    37  }
    38  
    39  // FilterComments will return the list of matching comments
    40  func FilterComments(comments []*Comment, matcher Matcher) FilteredComments {
    41  	matches := FilteredComments{}
    42  
    43  	for _, comment := range comments {
    44  		if matcher.Match(comment) {
    45  			matches = append(matches, comment)
    46  		}
    47  	}
    48  
    49  	return matches
    50  }
    51  
    52  // LastComment returns the creation date of the last comment that matches. Or deflt if there is no such comment.
    53  func LastComment(comments []*Comment, matcher Matcher, deflt *time.Time) *time.Time {
    54  	matches := FilterComments(comments, matcher)
    55  	if matches.Empty() {
    56  		return deflt
    57  	}
    58  	return matches.GetLast().CreatedAt
    59  }