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Add methods for adding/removing labels to GHIssue #461

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Merged
kohsuke merged 1 commit into from
Nov 6, 2018
Merged

Add methods for adding/removing labels to GHIssue #461

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74 changes: 71 additions & 3 deletions src/main/java/org/kohsuke/github/GHIssue.java
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Original file line number Diff line number Diff line change
Expand Up @@ -24,19 +24,20 @@

package org.kohsuke.github;

import static org.kohsuke.github.Previews.SQUIRREL_GIRL;

import com.infradna.tool.bridge_method_injector.WithBridgeMethods;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;

import java.io.IOException;
import java.net.URL;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;

import static org.kohsuke.github.Previews.*;
import java.util.Set;

/**
* Represents an issue on GitHub.
Expand Down Expand Up @@ -216,6 +217,73 @@ public void setLabels(String... labels) throws IOException {
editIssue("labels",labels);
}

/**
* Adds a label to the issue. If it does not exist in the {@link GHRepository}, it will be
* created with the specified color. If either {@code name} or {@code color} is null, it will
* be a <a href="https://en.wikipedia.org/wiki/NOP">NOP</a>.
*
* @param name Name of the label
* @param color Hex code of the label, without #
*/
public void addLabel(String name, String color) throws IOException {
if (name != null && color != null) {
// All labels that we have seen
Set<String> repoLabels = new HashSet<String>();
Set<String> seenLabels = new HashSet<String>();

// Check if label already exists
for (GHLabel repoLabel : getRepository().listLabels().asSet()) {
repoLabels.add(repoLabel.getName());
}

// Label does not exist
if (!repoLabels.contains(name)) {
GHLabel newLabel = getRepository().createLabel(name, color);
repoLabels.add(newLabel.getName());
seenLabels.add(newLabel.getName());
}

// See if label exists on issue already
boolean foundInIssue = false;

for (GHLabel existingIssueLabel : getLabels()) {
if (existingIssueLabel.getName().equalsIgnoreCase(name)) {
foundInIssue = true;
}

seenLabels.add(existingIssueLabel.getName());
}

// If the label doesn't exist in the issue, add it
if (!foundInIssue) {
seenLabels.add(name);
setLabels(seenLabels.toArray(new String[0]));
}
}
}

/**
* @see #removeLabel(String)
*/
public void removeLabel(Label label) throws IOException {
removeLabel(label.getName());
}

/**
* Remove a given label by name from this issue.
*/
public void removeLabel(String name) throws IOException {
Set<String> newLabels = new HashSet<String>();

for (Label existingLabel : labels) {
if (!existingLabel.getName().equalsIgnoreCase(name)) {
newLabels.add(existingLabel.getName());
}
}

setLabels(newLabels.toArray(new String[0]));
}

/**
* Obtains all the comments associated with this issue.
*
Expand Down