Changed characters graphql query to use the filter format, changed description for files query to match the others'

graphql/schema/root.graphql

@@ -3,8 +3,8 @@ type Query {
   # Find character by either an ID or a nick.
   character(id: String, nick: String): Character
 
-  # Find characters by either a list of ids, nicks or an author. Only one parameter at a time
-  characters(ids: [String!], nicks: [String!], author: String): [Character!]!
+  # Find characters
+  characters(filter: CharactersFilter): [Character!]!
   
 
   # Find channel by name
@@ -32,7 +32,7 @@ type Query {
   # Find file by ID
   file(id: String!): File
 
-  # Files get all available files. If includePublic is set, it will return public files as well
+  # Find files
   files(filter: FilesFilter): [File!]!
 
 

graphql/schema/types/character.graphql

@@ -22,6 +22,24 @@ type Character {
   description: String!
 }
 
+# Filter for characters query
+input CharactersFilter {
+  # Filter by character IDs
+  ids: [String!]
+
+  # Filter by nicks
+  nicks: [String!]
+
+  # Filter by names
+  names: [String!]
+
+  # Filter by author
+  author: String
+
+  # Filter by text search matching against the character's description
+  search: String
+}
+
 # Input for adding characters
 input CharacterAddInput {
   # The primary IRC nick name to recognize this character by