Support query to get a printer by name

sanger · Jun 21, 2023 · 1079ca0 · 1079ca0
1 parent 989bb9a
commit 1079ca0
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Showing 3 changed files with 11 additions and 4 deletions.
diff --git a/src/main/java/uk/ac/sanger/sprint/GraphQLDataFetchers.java b/src/main/java/uk/ac/sanger/sprint/GraphQLDataFetchers.java
@@ -56,6 +56,13 @@ public DataFetcher<Collection<Printer>> getPrinters() {
         };
     }
 
+    public DataFetcher<Printer> getPrinter() {
+        return dfe -> {
+            String hostname = dfe.getArgument("hostname");
+            return config.getPrinters().get(hostname);
+        };
+    }
+
     private Printer getPrinter(String hostname) {
         Printer printer = config.getPrinters().get(hostname);
         if (printer==null) {

diff --git a/src/main/java/uk/ac/sanger/sprint/GraphQLProvider.java b/src/main/java/uk/ac/sanger/sprint/GraphQLProvider.java
@@ -4,10 +4,7 @@
 import com.google.common.io.Resources;
 import graphql.GraphQL;
 import graphql.schema.GraphQLSchema;
-import graphql.schema.idl.RuntimeWiring;
-import graphql.schema.idl.SchemaGenerator;
-import graphql.schema.idl.SchemaParser;
-import graphql.schema.idl.TypeDefinitionRegistry;
+import graphql.schema.idl.*;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.stereotype.Component;
@@ -55,6 +52,7 @@ private RuntimeWiring buildWiring() {
         return RuntimeWiring.newRuntimeWiring()
                 .type(newTypeWiring("Query")
                         .dataFetcher("printers", graphQLDataFetchers.getPrinters())
+                        .dataFetcher("printer", graphQLDataFetchers.getPrinter())
                         .dataFetcher("printerTypes", graphQLDataFetchers.getPrinterTypes())
                         .dataFetcher("printStatus", graphQLDataFetchers.getPrintStatus())
                         .dataFetcher("labelTypes", graphQLDataFetchers.getLabelTypes()))

diff --git a/src/main/resources/schema.graphqls b/src/main/resources/schema.graphqls
@@ -30,6 +30,8 @@ enum Rotation {
 type Query {
     # Get the list of printers, optionally filtered by label type
     printers(labelType: String): [Printer!]!
+    # Get the named printer, if it exists
+    printer(hostname: String!): Printer
     # Get the list of printer types
     printerTypes: [PrinterType!]!
     # Get the status of a print job