Add an all_keywords parameter to the search route

Pass along any specified value for the all_keywords parameter to the
API request to search crates.

This lets us manually construct URLs in the browser like:

- /search?all_keywords=foo+bar
- /search?all_keywords=foo+bar&q=test

but there is no form field in the search form as yet; eventually, we'll
need an "advanced search" form or similar.

Author: carols10cents

app/controllers/application.js

@@ -28,6 +28,7 @@ export default Controller.extend(EKMixin, {
         queryParams: {
           q: this.searchQuery,
           page: 1,
+          all_keywords: null,
         },
       });
     },

app/controllers/search.js

@@ -9,7 +9,7 @@ import PaginationMixin from '../mixins/pagination';
 
 export default Controller.extend(PaginationMixin, {
   search: service(),
-  queryParams: ['q', 'page', 'per_page', 'sort'],
+  queryParams: ['all_keywords', 'page', 'per_page', 'q', 'sort'],
   q: alias('search.q'),
   page: '1',
   per_page: 10,

app/routes/search.js

@@ -2,8 +2,9 @@ import Route from '@ember/routing/route';
 
 export default Route.extend({
   queryParams: {
-    q: { refreshModel: true },
+    all_keywords: { refreshModel: true },
     page: { refreshModel: true },
+    q: { refreshModel: true },
     sort: { refreshModel: true },
   },
 

src/controllers/krate/search.rs

@@ -99,7 +99,10 @@ pub fn search(req: &mut dyn Request) -> CargoResult<Response> {
         use diesel::sql_types::Array;
         sql_function!(#[aggregate] fn array_agg<T>(x: T) -> Array<T>);
 
-        let names: Vec<_> = kws.split_whitespace().map(|name| name.to_lowercase()).collect();
+        let names: Vec<_> = kws
+            .split_whitespace()
+            .map(|name| name.to_lowercase())
+            .collect();
 
         query = query.filter(
             // FIXME: Just use `.contains` in Diesel 2.0