Extending the RPC to include "provides" info (Was: alad at mailbox.org)

[Actionless Loveless]

Done:

>From 6f7e9c081706d1ef9996f6b3138a4bdf11a64675 Mon Sep 17 00:00:00 2001
From: actionless <actionless.loveless at gmail.com>
Date: Thu, 8 Mar 2018 22:25:27 +0100
Subject: [PATCH] feat(rpc): return "providers" packages when querying by
 `name` or `name-desc`

---
 doc/rpc.txt               |  4 ++--
 web/lib/aurjson.class.php | 16 +++++++++++++++-
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/doc/rpc.txt b/doc/rpc.txt
index f353ff0..83cdae3 100644
--- a/doc/rpc.txt
+++ b/doc/rpc.txt
@@ -8,8 +8,8 @@ Package searches can be performed by issuing HTTP GET
requests of the form
 +/rpc/?v=5&type=search&by=_field_&arg=_keywords_+ where _keywords_ is the
 search argument and _field_ is one of the following values:

-* `name` (search by package name only)
-* `name-desc` (search by package name and description)
+* `name` (search by package name or packages which provide that name)
+* `name-desc` (the same as `name` and search by description)
 * `maintainer` (search by package maintainer)

 The _by_ parameter can be skipped and defaults to `name-desc`.
diff --git a/web/lib/aurjson.class.php b/web/lib/aurjson.class.php
index 9eeaafd..6e580a9 100644
--- a/web/lib/aurjson.class.php
+++ b/web/lib/aurjson.class.php
@@ -392,12 +392,26 @@ class AurJSON {
             if (strlen($keyword_string) < 2) {
                 return $this->json_error('Query arg too small.');
             }
+
+            //packages which provide the package we are looking for:
+            $providers = pkg_providers(addcslashes($keyword_string, '%_'));
+            $provided_names = array();
+            foreach ($providers as $provider) {
+                if ($provider[0] != 0) {    // if package is not from repo
+                    $name = $this->dbh->quote($provider[1]);
+                    array_push($provided_names, $name);
+                }
+            }
+            $provided_query = "(" . join(", ", $provided_names) . ")";
+
             $keyword_string = $this->dbh->quote("%" .
addcslashes($keyword_string, '%_') . "%");

             if ($search_by === 'name') {
-                $where_condition = "(Packages.Name LIKE $keyword_string)";
+                $where_condition = "(Packages.Name LIKE $keyword_string OR
";
+                $where_condition .= "Packages.Name IN $provided_query )";
             } else if ($search_by === 'name-desc') {
                 $where_condition = "(Packages.Name LIKE $keyword_string OR
";
+                $where_condition .= "Packages.Name IN $provided_query OR ";
                 $where_condition .= "Description LIKE $keyword_string)";
             }
         } else if ($search_by === 'maintainer') {
-- 
2.16.2