Refactor job summary to a relationship

Now that blocking queries are going to be in play, We can no longer
pretend the two requests are one, since they have independent nomad
indices.

ui/app/adapters/job.js

@@ -1,5 +1,4 @@
 import { inject as service } from '@ember/service';
-import RSVP from 'rsvp';
 import { assign } from '@ember/polyfills';
 import ApplicationAdapter from './application';
 
@@ -26,28 +25,17 @@ export default ApplicationAdapter.extend({
     });
   },
 
-  findRecord(store, { modelName }, id, snapshot) {
-    // To make a findRecord response reflect the findMany response, the JobSummary
-    // from /summary needs to be stitched into the response.
+  findRecordSummary(modelName, name, snapshot, namespaceQuery) {
+    return this.ajax(`${this.buildURL(modelName, name, snapshot, 'findRecord')}/summary`, 'GET', {
+      data: assign(this.buildQuery() || {}, namespaceQuery),
+    });
+  },
 
-    // URL is the form of /job/:name?namespace=:namespace with arbitrary additional query params
+  findRecord(store, type, id, snapshot) {
     const [name, namespace] = JSON.parse(id);
     const namespaceQuery = namespace && namespace !== 'default' ? { namespace } : {};
-    return RSVP.hash({
-      job: this.ajax(this.buildURL(modelName, name, snapshot, 'findRecord'), 'GET', {
-        data: assign(this.buildQuery() || {}, namespaceQuery),
-      }),
-      summary: this.ajax(
-        `${this.buildURL(modelName, name, snapshot, 'findRecord')}/summary`,
-        'GET',
-        {
-          data: assign(this.buildQuery() || {}, namespaceQuery),
-        }
-      ),
-    }).then(({ job, summary }) => {
-      job.JobSummary = summary;
-      return job;
-    });
+
+    return this._super(store, type, name, snapshot, namespaceQuery);
   },
 
   findAllocations(job) {

ui/app/models/job-summary.js

@@ -0,0 +1,39 @@
+import { collect, sum } from '@ember/object/computed';
+import Model from 'ember-data/model';
+import attr from 'ember-data/attr';
+import { belongsTo } from 'ember-data/relationships';
+import { fragmentArray } from 'ember-data-model-fragments/attributes';
+import sumAggregation from '../utils/properties/sum-aggregation';
+
+export default Model.extend({
+  job: belongsTo('job'),
+
+  taskGroupSummaries: fragmentArray('task-group-summary'),
+
+  // Aggregate allocation counts across all summaries
+  queuedAllocs: sumAggregation('taskGroupSummaries', 'queuedAllocs'),
+  startingAllocs: sumAggregation('taskGroupSummaries', 'startingAllocs'),
+  runningAllocs: sumAggregation('taskGroupSummaries', 'runningAllocs'),
+  completeAllocs: sumAggregation('taskGroupSummaries', 'completeAllocs'),
+  failedAllocs: sumAggregation('taskGroupSummaries', 'failedAllocs'),
+  lostAllocs: sumAggregation('taskGroupSummaries', 'lostAllocs'),
+
+  allocsList: collect(
+    'queuedAllocs',
+    'startingAllocs',
+    'runningAllocs',
+    'completeAllocs',
+    'failedAllocs',
+    'lostAllocs'
+  ),
+
+  totalAllocs: sum('allocsList'),
+
+  pendingChildren: attr('number'),
+  runningChildren: attr('number'),
+  deadChildren: attr('number'),
+
+  childrenList: collect('pendingChildren', 'runningChildren', 'deadChildren'),
+
+  totalChildren: sum('childrenList'),
+});

ui/app/models/job.js

@@ -1,10 +1,9 @@
-import { collect, sum, bool, equal, or } from '@ember/object/computed';
+import { alias, bool, equal, or } from '@ember/object/computed';
 import { computed } from '@ember/object';
 import Model from 'ember-data/model';
 import attr from 'ember-data/attr';
 import { belongsTo, hasMany } from 'ember-data/relationships';
 import { fragmentArray } from 'ember-data-model-fragments/attributes';
-import sumAggregation from '../utils/properties/sum-aggregation';
 
 const JOB_TYPES = ['service', 'batch', 'system'];
 
@@ -83,34 +82,21 @@ export default Model.extend({
 
   datacenters: attr(),
   taskGroups: fragmentArray('task-group', { defaultValue: () => [] }),
-  taskGroupSummaries: fragmentArray('task-group-summary'),
+  summary: belongsTo('job-summary'),
 
-  // Aggregate allocation counts across all summaries
-  queuedAllocs: sumAggregation('taskGroupSummaries', 'queuedAllocs'),
-  startingAllocs: sumAggregation('taskGroupSummaries', 'startingAllocs'),
-  runningAllocs: sumAggregation('taskGroupSummaries', 'runningAllocs'),
-  completeAllocs: sumAggregation('taskGroupSummaries', 'completeAllocs'),
-  failedAllocs: sumAggregation('taskGroupSummaries', 'failedAllocs'),
-  lostAllocs: sumAggregation('taskGroupSummaries', 'lostAllocs'),
-
-  allocsList: collect(
-    'queuedAllocs',
-    'startingAllocs',
-    'runningAllocs',
-    'completeAllocs',
-    'failedAllocs',
-    'lostAllocs'
-  ),
-
-  totalAllocs: sum('allocsList'),
-
-  pendingChildren: attr('number'),
-  runningChildren: attr('number'),
-  deadChildren: attr('number'),
-
-  childrenList: collect('pendingChildren', 'runningChildren', 'deadChildren'),
-
-  totalChildren: sum('childrenList'),
+  // Alias through to the summary, as if there was no relationship
+  taskGroupSummaries: alias('summary.taskGroupSummaries'),
+  queuedAllocs: alias('summary.queuedAllocs'),
+  startingAllocs: alias('summary.startingAllocs'),
+  runningAllocs: alias('summary.runningAllocs'),
+  completeAllocs: alias('summary.completeAllocs'),
+  failedAllocs: alias('summary.failedAllocs'),
+  lostAllocs: alias('summary.lostAllocs'),
+  totalAllocs: alias('summary.totalAllocs'),
+  pendingChildren: alias('summary.pendingChildren'),
+  runningChildren: alias('summary.runningChildren'),
+  deadChildren: alias('summary.deadChildren'),
+  totalChildren: alias('summary.childrenList'),
 
   version: attr('number'),
 

ui/app/models/task-group.js

@@ -4,6 +4,8 @@ import attr from 'ember-data/attr';
 import { fragmentOwner, fragmentArray } from 'ember-data-model-fragments/attributes';
 import sumAggregation from '../utils/properties/sum-aggregation';
 
+const maybe = arr => arr || [];
+
 export default Fragment.extend({
   job: fragmentOwner(),
 
@@ -13,7 +15,7 @@ export default Fragment.extend({
   tasks: fragmentArray('task'),
 
   allocations: computed('job.allocations.@each.taskGroup', function() {
-    return this.get('job.allocations').filterBy('taskGroupName', this.get('name'));
+    return maybe(this.get('job.allocations')).filterBy('taskGroupName', this.get('name'));
   }),
 
   reservedCPU: sumAggregation('tasks', 'reservedCPU'),
@@ -32,6 +34,6 @@ export default Fragment.extend({
   }),
 
   summary: computed('job.taskGroupSummaries.[]', function() {
-    return this.get('job.taskGroupSummaries').findBy('name', this.get('name'));
+    return maybe(this.get('job.taskGroupSummaries')).findBy('name', this.get('name'));
   }),
 });

ui/app/serializers/job-summary.js

@@ -0,0 +1,32 @@
+import { get } from '@ember/object';
+import ApplicationSerializer from './application';
+
+export default ApplicationSerializer.extend({
+  normalize(modelClass, hash) {
+    // Transform the map-based Summary object into an array-based
+    // TaskGroupSummary fragment list
+    hash.PlainJobId = hash.JobID;
+    hash.ID = JSON.stringify([hash.JobID, hash.Namespace || 'default']);
+
+    hash.TaskGroupSummaries = Object.keys(get(hash, 'Summary') || {}).map(key => {
+      const allocStats = get(hash, `Summary.${key}`) || {};
+      const summary = { Name: key };
+
+      Object.keys(allocStats).forEach(
+        allocKey => (summary[`${allocKey}Allocs`] = allocStats[allocKey])
+      );
+
+      return summary;
+    });
+
+    // Lift the children stats out of the Children object
+    const childrenStats = get(hash, 'Children');
+    if (childrenStats) {
+      Object.keys(childrenStats).forEach(
+        childrenKey => (hash[`${childrenKey}Children`] = childrenStats[childrenKey])
+      );
+    }
+
+    return this._super(modelClass, hash);
+  },
+});

ui/app/serializers/job.js

@@ -34,27 +34,6 @@ export default ApplicationSerializer.extend({
       hash.ParameterizedJob = true;
     }
 
-    // Transform the map-based JobSummary object into an array-based
-    // JobSummary fragment list
-    hash.TaskGroupSummaries = Object.keys(get(hash, 'JobSummary.Summary') || {}).map(key => {
-      const allocStats = get(hash, `JobSummary.Summary.${key}`) || {};
-      const summary = { Name: key };
-
-      Object.keys(allocStats).forEach(
-        allocKey => (summary[`${allocKey}Allocs`] = allocStats[allocKey])
-      );
-
-      return summary;
-    });
-
-    // Lift the children stats out of the JobSummary object
-    const childrenStats = get(hash, 'JobSummary.Children');
-    if (childrenStats) {
-      Object.keys(childrenStats).forEach(
-        childrenKey => (hash[`${childrenKey}Children`] = childrenStats[childrenKey])
-      );
-    }
-
     return this._super(typeHash, hash);
   },
 
@@ -68,6 +47,11 @@ export default ApplicationSerializer.extend({
       .buildURL(modelName, hash.PlainId, hash, 'findRecord');
 
     return assign(this._super(...arguments), {
+      summary: {
+        links: {
+          related: buildURL(`${jobURL}/summary`, { namespace: namespace }),
+        },
+      },
       allocations: {
         links: {
           related: buildURL(`${jobURL}/allocations`, { namespace: namespace }),