random top articles query (#109)

* loadRandomTopShouts

* minor fixes

---------

Co-authored-by: Igor Lobanov <igor.lobanov@onetwotrip.com>

schema.graphql

@@ -212,14 +212,13 @@ input AuthorsBy {
 }
 
 input LoadShoutsFilters {
-    title: String
-    body: String
     topic: String
     author: String
     layout: String
     excludeLayout: String
     visibility: String
-    days: Int
+    fromDate: String
+    toDate: String
     reacted: Boolean
 }
 
@@ -232,6 +231,12 @@ input LoadShoutsOptions {
     order_by_desc: Boolean
 }
 
+input LoadRandomTopShoutsParams {
+    filters: LoadShoutsFilters
+    limit: Int!
+    fromRandomCount: Int
+}
+
 input ReactionBy {
     shout: String # slug
     shouts: [String]
@@ -276,6 +281,7 @@ type Query {
     loadAuthorsBy(by: AuthorsBy, limit: Int, offset: Int): [Author]!
     loadShout(slug: String, shout_id: Int): Shout
     loadShouts(options: LoadShoutsOptions): [Shout]!
+    loadRandomTopShouts(params: LoadRandomTopShoutsParams): [Shout]!
     loadDrafts: [Shout]!
     loadReactionsBy(by: ReactionBy!, limit: Int, offset: Int): [Reaction]!
     userFollowers(slug: String!): [Author]!