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tvl-depot/third_party/gerrit/add_titles_to_cls.patch
Luke Granger-Brown 62f42300b8 feat(gerrit): Add CL titles to title tags if accessing a CL or patchset. 
Fine, puck, you win.

Change-Id: I47fe8ea6662132f5c337e1e73281dbeca19a414c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/321
Reviewed-by: tazjin <mail@tazj.in>
2020-06-14 20:26:05 +00:00

200 lines
8.3 KiB
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diff --git a/java/com/google/gerrit/httpd/raw/IndexHtmlUtil.java b/java/com/google/gerrit/httpd/raw/IndexHtmlUtil.java
index 41d2f83975..323567b4a4 100644
--- a/java/com/google/gerrit/httpd/raw/IndexHtmlUtil.java
+++ b/java/com/google/gerrit/httpd/raw/IndexHtmlUtil.java
@@ -42,6 +42,7 @@ import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
+import java.util.Optional;
import java.util.Set;
import java.util.function.Function;
import java.util.regex.Matcher;
@@ -110,7 +111,8 @@ public class IndexHtmlUtil {
String faviconPath,
Map<String, String[]> urlParameterMap,
Function<String, SanitizedContent> urlInScriptTagOrdainer,
- String requestedURL)
+ String requestedURL,
+ TitleComputer titleComputer)
throws URISyntaxException, RestApiException {
ImmutableMap.Builder<String, Object> data = ImmutableMap.builder();
data.putAll(
@@ -121,7 +123,7 @@ public class IndexHtmlUtil {
urlParameterMap,
urlInScriptTagOrdainer,
requestedURL))
- .putAll(dynamicTemplateData(gerritApi));
+ .putAll(dynamicTemplateData(gerritApi, requestedURL, titleComputer));
Set<String> enabledExperiments = experimentData(urlParameterMap);
if (!enabledExperiments.isEmpty()) {
@@ -131,7 +133,9 @@ public class IndexHtmlUtil {
}
/** Returns dynamic parameters of {@code index.html}. */
- public static ImmutableMap<String, Object> dynamicTemplateData(GerritApi gerritApi)
+ public static ImmutableMap<String, Object> dynamicTemplateData(GerritApi gerritApi,
+ String requestedURL,
+ TitleComputer titleComputer)
throws RestApiException {
ImmutableMap.Builder<String, Object> data = ImmutableMap.builder();
Map<String, SanitizedContent> initialData = new HashMap<>();
@@ -159,6 +163,10 @@ public class IndexHtmlUtil {
}
data.put("gerritInitialData", initialData);
+
+ Optional<String> title = titleComputer.computeTitle(requestedURL);
+ title.ifPresent(s -> data.put("title", s));
+
return data.build();
}
diff --git a/java/com/google/gerrit/httpd/raw/IndexServlet.java b/java/com/google/gerrit/httpd/raw/IndexServlet.java
index 97d22701de..089ef4725f 100644
--- a/java/com/google/gerrit/httpd/raw/IndexServlet.java
+++ b/java/com/google/gerrit/httpd/raw/IndexServlet.java
@@ -44,12 +44,14 @@ public class IndexServlet extends HttpServlet {
private final GerritApi gerritApi;
private final SoySauce soySauce;
private final Function<String, SanitizedContent> urlOrdainer;
+ private TitleComputer titleComputer;
IndexServlet(
@Nullable String canonicalUrl,
@Nullable String cdnPath,
@Nullable String faviconPath,
- GerritApi gerritApi) {
+ GerritApi gerritApi,
+ TitleComputer titleComputer) {
this.canonicalUrl = canonicalUrl;
this.cdnPath = cdnPath;
this.faviconPath = faviconPath;
@@ -63,6 +65,7 @@ public class IndexServlet extends HttpServlet {
(s) ->
UnsafeSanitizedContentOrdainer.ordainAsSafe(
s, SanitizedContent.ContentKind.TRUSTED_RESOURCE_URI);
+ this.titleComputer = titleComputer;
}
@Override
@@ -74,7 +77,7 @@ public class IndexServlet extends HttpServlet {
// TODO(hiesel): Remove URL ordainer as parameter once Soy is consistent
ImmutableMap<String, Object> templateData =
IndexHtmlUtil.templateData(
- gerritApi, canonicalUrl, cdnPath, faviconPath, parameterMap, urlOrdainer, requestUrl);
+ gerritApi, canonicalUrl, cdnPath, faviconPath, parameterMap, urlOrdainer, requestUrl, titleComputer);
renderer = soySauce.renderTemplate("com.google.gerrit.httpd.raw.Index").setData(templateData);
} catch (URISyntaxException | RestApiException e) {
throw new IOException(e);
diff --git a/java/com/google/gerrit/httpd/raw/StaticModule.java b/java/com/google/gerrit/httpd/raw/StaticModule.java
index 414a120194..e1b6fb082d 100644
--- a/java/com/google/gerrit/httpd/raw/StaticModule.java
+++ b/java/com/google/gerrit/httpd/raw/StaticModule.java
@@ -220,11 +220,12 @@ public class StaticModule extends ServletModule {
HttpServlet getPolyGerritUiIndexServlet(
@CanonicalWebUrl @Nullable String canonicalUrl,
@GerritServerConfig Config cfg,
- GerritApi gerritApi) {
+ GerritApi gerritApi,
+ TitleComputer titleComputer) {
String cdnPath =
options.useDevCdn() ? options.devCdn() : cfg.getString("gerrit", null, "cdnPath");
String faviconPath = cfg.getString("gerrit", null, "faviconPath");
- return new IndexServlet(canonicalUrl, cdnPath, faviconPath, gerritApi);
+ return new IndexServlet(canonicalUrl, cdnPath, faviconPath, gerritApi, titleComputer);
}
@Provides
diff --git a/java/com/google/gerrit/httpd/raw/TitleComputer.java b/java/com/google/gerrit/httpd/raw/TitleComputer.java
new file mode 100644
index 0000000000..efee24607c
--- /dev/null
+++ b/java/com/google/gerrit/httpd/raw/TitleComputer.java
@@ -0,0 +1,67 @@
+package com.google.gerrit.httpd.raw;
+
+import com.google.common.flogger.FluentLogger;
+import com.google.gerrit.entities.Change;
+import com.google.gerrit.extensions.restapi.ResourceConflictException;
+import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
+import com.google.gerrit.server.change.ChangeResource;
+import com.google.gerrit.server.permissions.PermissionBackendException;
+import com.google.gerrit.server.restapi.change.ChangesCollection;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import com.google.inject.Singleton;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.Optional;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+@Singleton
+public class TitleComputer {
+ private static final FluentLogger logger = FluentLogger.forEnclosingClass();
+
+ @Inject
+ public TitleComputer(Provider<ChangesCollection> changes) {
+ this.changes = changes;
+ }
+
+ public Optional<String> computeTitle(String requestedURI) {
+ URL url = null;
+ try {
+ url = new URL(requestedURI);
+ } catch (MalformedURLException e) {
+ logger.atWarning().log("Failed to turn %s into a URL.", requestedURI);
+ return Optional.empty();
+ }
+
+ // Try to turn this into a change.
+ Optional<Change.Id> changeId = tryExtractChange(url.getPath());
+ if (changeId.isPresent()) {
+ return titleFromChangeId(changeId.get());
+ }
+
+ return Optional.empty();
+ }
+
+ private static final Pattern extractChangeIdRegex = Pattern.compile("^/(?:c/.*/\\+/)?(?<changeId>[0-9]+)(?:/[0-9]+)?$");
+ private final Provider<ChangesCollection> changes;
+
+ private Optional<Change.Id> tryExtractChange(String path) {
+ Matcher m = extractChangeIdRegex.matcher(path);
+ if (!m.matches()) {
+ return Optional.empty();
+ }
+ return Change.Id.tryParse(m.group("changeId"));
+ }
+
+ private Optional<String> titleFromChangeId(Change.Id changeId) {
+ ChangesCollection changesCollection = changes.get();
+ try {
+ ChangeResource changeResource = changesCollection.parse(changeId);
+ return Optional.of(changeResource.getChange().getSubject());
+ } catch (ResourceConflictException | ResourceNotFoundException | PermissionBackendException e) {
+ return Optional.empty();
+ }
+ }
+}
diff --git a/resources/com/google/gerrit/httpd/raw/PolyGerritIndexHtml.soy b/resources/com/google/gerrit/httpd/raw/PolyGerritIndexHtml.soy
index d162714399..0ba228ad00 100644
--- a/resources/com/google/gerrit/httpd/raw/PolyGerritIndexHtml.soy
+++ b/resources/com/google/gerrit/httpd/raw/PolyGerritIndexHtml.soy
@@ -33,10 +33,12 @@
{@param? preloadChangePage: ?}
{@param? preloadDiffPage: ?}
{@param? userIsAuthenticated: ?}
+ {@param? title: ?}
<!DOCTYPE html>{\n}
<html lang="en">{\n}
<meta charset="utf-8">{\n}
- <meta name="description" content="Gerrit Code Review">{\n}
+ {if $title}<title>{$title} · Gerrit Code Review</title>{\n}{/if}
+ <meta name="description" content="{if $title}{$title} · {/if}Gerrit Code Review">{\n}
<meta name="referrer" content="never">{\n}
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0">{\n}
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