routes/crate: Get or fetch requested version by num

Previously, we fetched all versions and then found the requested version
within them. This commit changes the approach to either retrieve the
version from loaded versions or fetch it from the endpoint. This change
allows us to migrate to paginated versions in the future.

Author: eth3lbert

app/routes/crate/version-dependencies.js

@@ -1,25 +1,39 @@
+import { NotFoundError } from '@ember-data/adapter/error';
 import Route from '@ember/routing/route';
 import { inject as service } from '@ember/service';
 
 export default class VersionRoute extends Route {
+  @service store;
   @service router;
 
   async model(params, transition) {
     let crate = this.modelFor('crate');
 
-    let versions;
+    // TODO: Resolved version without waiting for versions to be resolved
     try {
-      versions = await crate.loadVersionsTask.perform();
+      await crate.loadVersionsTask.perform();
     } catch (error) {
       let title = `${crate.name}: Failed to load version data`;
       return this.router.replaceWith('catch-all', { transition, error, title, tryAgain: true });
     }
 
     let requestedVersion = params.version_num;
-    let version = versions.find(version => version.num === requestedVersion);
-    if (!version) {
-      let title = `${crate.name}: Version ${requestedVersion} not found`;
-      return this.router.replaceWith('catch-all', { transition, title });
+    let version;
+    try {
+      version =
+        crate.loadedVersionsByNum.get(requestedVersion) ??
+        (await this.store.queryRecord('version', {
+          name: crate.id,
+          num: requestedVersion,
+        }));
+    } catch (error) {
+      if (error instanceof NotFoundError) {
+        let title = `${crate.name}: Version ${requestedVersion} not found`;
+        return this.router.replaceWith('catch-all', { transition, title });
+      } else {
+        let title = `${crateName}: Failed to load version data`;
+        return this.router.replaceWith('catch-all', { transition, error, title, tryAgain: true });
+      }
     }
 
     try {

app/routes/crate/version.js

@@ -1,3 +1,4 @@
+import { NotFoundError } from '@ember-data/adapter/error';
 import Route from '@ember/routing/route';
 import { inject as service } from '@ember/service';
 import { waitForPromise } from '@ember/test-waiters';
@@ -10,10 +11,12 @@ import { AjaxError } from '../../utils/ajax';
 export default class VersionRoute extends Route {
   @service router;
   @service sentry;
+  @service store;
 
   async model(params, transition) {
     let crate = this.modelFor('crate');
 
+    // TODO: Resolved version without waiting for versions to be resolved
     let versions;
     try {
       versions = await crate.loadVersionsTask.perform();
@@ -25,14 +28,37 @@ export default class VersionRoute extends Route {
     let version;
     let requestedVersion = params.version_num;
     if (requestedVersion) {
-      version = versions.find(version => version.num === requestedVersion);
-      if (!version) {
-        let title = `${crate.name}: Version ${requestedVersion} not found`;
-        return this.router.replaceWith('catch-all', { transition, title });
+      try {
+        version =
+          crate.loadedVersionsByNum.get(requestedVersion) ??
+          (await this.store.queryRecord('version', {
+            name: crate.id,
+            num: requestedVersion,
+          }));
+      } catch (error) {
+        if (error instanceof NotFoundError) {
+          let title = `${crate.name}: Version ${requestedVersion} not found`;
+          return this.router.replaceWith('catch-all', { transition, title });
+        } else {
+          let title = `${crateName}: Failed to load version data`;
+          return this.router.replaceWith('catch-all', { transition, error, title, tryAgain: true });
+        }
       }
     } else {
       let { default_version } = crate;
-      version = versions.find(version => version.num === default_version);
+      version =
+        crate.loadedVersionsByNum.get(default_version) ??
+        (await this.store
+          .queryRecord('version', {
+            name: crate.id,
+            num: default_version,
+          })
+          .catch(error => {
+            if (!(error instanceof NotFoundError)) {
+              let title = `${crate.name}: Failed to load version data`;
+              this.router.replaceWith('catch-all', { transition, error, title, tryAgain: true });
+            }
+          }));
 
       if (!version) {
         let versionNums = versions.map(it => it.num);