Update pacakge generation from configuration file

main.dart

 import "dart:io";
 import "dart:async";
 
 import '../discovery_api_dart_client_generator/lib/generator.dart';
 import 'package:google_discovery_v1_api/discovery_v1_api_client.dart';
 import 'package:yaml/yaml.dart';
 
+class Package {
+  final String name;
+  final List<String> apis;
+  final Pubspec pubspec;
+
+  Package(this.name, this.apis, this.pubspec);
+}
+
 main() {
+  // Set up paths to directories 'discovery' and 'generated'.
+  var discoveryDocsDir = Platform.script.resolve('discovery').path;
+  var generatedApisDir = Platform.script.resolve('generated').path;
+
   // Read the configuration.
   var configFile = Platform.script.resolve('config.yaml').path;
-  var discoveryDocsDir = Platform.script.resolve('discovery').path;
   var config = loadYaml(new File(configFile).readAsStringSync());
-  var pkgs = config['packages'];
-  var packages = {};
-  var supportedApis = [];
-  var knownApis = [];
-  pkgs.forEach((pkg) {
-    pkg.forEach((name, values) {
-      packages[name] = values != null ? values : [];
+
+  listAllApis().then((List<DirectoryListItems> items) {
+    var pkgs = config['packages'];
+    var packages = {};
+    var supportedApis = [];
+    var knownApis = [];
+    pkgs.forEach((package) {
+      package.forEach((name, values) {
+        var apis =
+            (values != null && values['apis'] != null) ? values['apis'] : [];
+        var version =
+            values['version'] != null ? values['version'] : '0.1.0-dev';
+        var author = values['author'];
+        var homepage = values['homepage'];
+
+        // Generate package description.
+        var sb = new StringBuffer()
+            ..write('Auto-generated client libraries for accessing '
+                      'the following APIs:');

[kustermann, 2014/08/18 14:04:05]

Indentation.

[Søren Gjesse, 2014/08/19 13:53:13]

Done.

+        items.forEach((DirectoryListItems apiDescription) {
+          if (apis.contains(apiDescription.id)) {
+            sb..writeln('  ')
+                ..write(apiDescription.id)
+                ..write(' - ')
+                ..write(apiDescription.description);
+          }
+        });
+
+        // Create package description with pubspec.yaml information.
+        var pubspec = new Pubspec(
+            name, version, sb.toString(), author: author, homepage: homepage);
+        packages[name] = new Package(name, apis, pubspec);
+      });
     });
-  });
-  var skippedApis = config['skipped_apis'];
-  packages.forEach((_, values) => supportedApis.addAll(values));
-  knownApis.addAll(supportedApis);
-  knownApis.addAll(skippedApis);
 
-  // Check that all APIs are mentioned in the configuration.
-  var missingApis = [];
-  listAllApis().then((List<DirectoryListItems> items) {
+    // Check that all APIs are mentioned in the configuration.
+    var skippedApis = config['skipped_apis'];
+    packages.forEach((_, package) => supportedApis.addAll(package.apis));
+    knownApis.addAll(supportedApis);
+    knownApis.addAll(skippedApis);
+    var missingApis = [];
     items.forEach((item) {
       if (!knownApis.contains(item.id)) missingApis.add(item.id);
     });
-
     if (missingApis.isNotEmpty) {
       print('No configuration for the following APIs;');
       missingApis.forEach((id) => print('-  $id'));
       return;
     }
 
     // Delete downloaded discovery documents.
     var dir = new Directory(discoveryDocsDir);
     if (dir.existsSync()) dir.deleteSync(recursive: true);
 
     // Download the discovery documents for the packages to build.
     var futures = [];
-    packages.forEach((name, values) {
-      futures.add(downloadDiscoveryDocuments('discovery/$name', ids: values));
+    packages.forEach((name, package) {
+      futures.add(downloadDiscoveryDocuments('$discoveryDocsDir/$name',
+                                             ids: package.apis));
     });
 
     Future.wait(futures).then((_) {
-      packages.forEach((name, values) {
+      packages.forEach((name, package) {
         print('Generating library $name');
-        generateAllLibraries('discovery/$name', 'generated/$name');
+        generateAllLibraries('$discoveryDocsDir/$name',
+                             '$generatedApisDir/$name',
+                             package.pubspec);
       });
       print('DONE');
     });
   });
 }