graph_ql.rb in bearcat-1.5.37

- old
+ new
@@ -1,17 +1,67 @@
 module Bearcat
+  class GraphqlError < StandardError
+    attr_reader :response
+
+    def initialize(message, response: nil)
+      super(message)
+      @response = response
+    end
+  end
+
   class Client < Footrest::Client
-    # Request body format should be: { query: "query string" }. More info in README.md
+    # Request body format should be:
+    #  - { query: "query string" }
+    #  - "query string"
+    #  - "path/to/gql/file", may be absolute, relative to application root, or relative to `app/graphql`. `.gql` extension is optional.
     module GraphQL
-
-      def graphql_query(query)
+      def graphql_query(query, args = {})
         if query.is_a?(String)
+          if /\A\w+\Z/.match?(query) && !query.include?("{")
+            query = query.underscore
+            @@gql_cache ||= {}
+
+            query = cache_on_class("gql:#{query}") do
+              paths = []
+
+              pn = Pathname.new(query)
+              if pn.absolute?
+                paths << query
+              else
+                paths << Rails.root.join("app", "graphql", query)
+                paths << Rails.root.join(query)
+              end
+
+              paths = paths.flat_map do |path|
+                [path, "#{path}.gql"]
+              end
+
+              query = paths.find do |path|
+                File.exist?(path)
+              end
+
+              File.read(query)
+            end
+          end
+
+          args.symbolize_keys!
+
+          query = query.gsub(/\{\{(.*?)\}\}/) do |_m|
+            match = Regexp.last_match
+            key = match[1].strip.to_sym
+            args[key]
+          end
+
           query = {
             query: query
           }
         end
-        post('/api/graphql', query)
-      end
 
+        result = post('/api/graphql', query)
+        raise GraphqlError.new("Error running GraphQL query:\n#{result["errors"].to_json}", response: result) if result["errors"].present?
+
+        # TODO: It'd be nice to unwrap and return result["data"] directly, but we want to keep backwards compatibility
+        result
+      end
     end
   end
 end
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