[Rietveld] Add support for patchset dependencies

appengine/chromium_rietveld/new_static/model/patch_set.js

 // Copyright (c) 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 "use strict";
 
 // https://codereview.chromium.org/api/148223004/70001/?comments=true
 function PatchSet(issue, id, sequence)
 {
     this.files = []; // Array<PatchFile>
     this.sourceFiles = []; // Array<PatchFile>
     this.testFiles = []; // Array<PatchFile>
     this.created = ""; // Date
     this.messageCount = 0;
     this.draftCount = 0;
     this.lastModified = ""; // Date
     this.issue = issue || null;
     this.owner = null // User
     this.title = "";
     this.id = id || 0;
     this.sequence = sequence || 0;
     this.commit = false;
     this.cqDryRun = false;
     this.mostRecent = false;
     this.active = false;
+    this.dependsOnPatchset = null;
+    this.dependentPatchsets = null; // Array<PatchSet>
     Object.preventExtensions(this);
 }
 
 PatchSet.DETAIL_URL = "/api/{1}/{2}/?comments=true&try_jobs=false";
 PatchSet.REVERT_URL = "/api/{1}/{2}/revert";
 PatchSet.DELETE_URL = "/{1}/patchset/{2}/delete";
 PatchSet.TITLE_URL = "/{1}/patchset/{2}/edit_patchset_title";
+PatchSet.PATCHSET_URL = "/{1}/#ps{2}";
+
+PatchSet.prototype.getPatchsetUrl = function()
+{
+    return PatchSet.PATCHSET_URL.assign(
+        encodeURIComponent(this.issue.id),
+        encodeURIComponent(this.id));
+};
 
 PatchSet.prototype.getDetailUrl = function()
 {
     return PatchSet.DETAIL_URL.assign(
         encodeURIComponent(this.issue.id),
         encodeURIComponent(this.id));
 };
 
 PatchSet.prototype.getRevertUrl = function()
 {
@@ skipping 73 matching lines @@
         throw new Error("Invalid patchset loaded " + data.issue + " != " + this.issue.id
             + " or " + data.patchset + " != " + this.id);
     }
 
     this.owner = new User(data.owner);
     // TODO(esprehn): The server calls it a message sometimes and a title others,
     // lets always call it a title.
     this.title = data.message || "";
     this.lastModified = Date.utc.create(data.modified);
     this.created = Date.utc.create(data.created);
+    if (data.depends_on_patchset) {
+      var tokens = data.depends_on_patchset.split(":");
+      var dependsOnIssue = new Issue(parseInt(tokens[0]));
+      dependsOnIssue.loadDetails();
+      this.dependsOnPatchset = new PatchSet(dependsOnIssue, parseInt(tokens[1]), 0);
+    }
+    if (data.dependent_patchsets && data.dependent_patchsets.length != 0) {
+      this.dependentPatchsets = [];
+      data.dependent_patchsets.forEach(function(dependent_patchset, i) {
+          var tokens = dependent_patchset.split(":");
+          var dependentIssue = new Issue(parseInt(tokens[0]));
+          dependentIssue.loadDetails();
+          var dependentPatchset = new PatchSet(dependentIssue, parseInt(tokens[1]), i + 1);
+          this.dependentPatchsets.push(dependentPatchset);
+      }, this);
+    }
 
     Object.keys(data.files || {}, function(name, value) {
         var file = new PatchFile(patchset, name);
         file.parseData(value);
         patchset.files.push(file);
     });
 
     this.files.sort(PatchFile.compare);
     // Make a doubly linked list of files
     if (this.files.length > 1) {
         for (var i = 0; i < this.files.length; ++i) {
             this.files[i].nextFile = this.files[i + 1];
             this.files[i].previousFile = this.files[i - 1];
         }
     }
 
     this.files.forEach(function(file) {
         if (file.isLayoutTest)
             this.testFiles.push(file);
         else
             this.sourceFiles.push(file);
     }, this);
 };