feat: Add support for Ollama version and model info (davidmigloz#488)

Co-authored-by: David Miguel <me@davidmiguel.com>

packages/ollama_dart/README.md

@@ -36,6 +36,7 @@ Unofficial Dart client for [Ollama](https://ollama.ai/) API.
     + [Pull a Model](#pull-a-model)
     + [Push a Model](#push-a-model)
     + [Check if a Blob Exists](#check-if-a-blob-exists)
+  * [Version](#version)
 - [Advance Usage](#advance-usage)
   * [Default HTTP client](#default-http-client)
   * [Custom HTTP client ](#custom-http-client)
@@ -271,6 +272,15 @@ await client.checkBlob(
 
 If the blob doesn't exist, an `OllamaClientException` exception will be thrown.
 
+### Version
+
+Get the version of the Ollama server.
+
+```dart
+final res = await client.getVersion();
+print(res.version);
+```
+
 ## Advance Usage
 
 ### Default HTTP client

packages/ollama_dart/lib/src/generated/client.dart

@@ -356,6 +356,27 @@ class OllamaClient {
     );
   }
 
+  // ------------------------------------------
+  // METHOD: getVersion
+  // ------------------------------------------
+
+  /// Returns the version of the Ollama server.
+  ///
+  /// This endpoint returns the version of the Ollama server.
+  ///
+  /// `GET` `http://localhost:11434/api/version`
+  Future<VersionResponse> getVersion() async {
+    final r = await makeRequest(
+      baseUrl: 'http://localhost:11434/api',
+      path: '/version',
+      method: HttpMethod.get,
+      isMultipart: false,
+      requestType: '',
+      responseType: 'application/json',
+    );
+    return VersionResponse.fromJson(_jsonDecode(r));
+  }
+
   // ------------------------------------------
   // METHOD: generateCompletion
   // ------------------------------------------

packages/ollama_dart/lib/src/generated/schema/model_info.dart

@@ -33,6 +33,10 @@ class ModelInfo with _$ModelInfo {
     /// Details about a model.
     @JsonKey(includeIfNull: false) ModelDetails? details,
 
+    /// Details about a model.
+    @JsonKey(name: 'model_info', includeIfNull: false)
+    ModelInformation? modelInfo,
+
     /// The default messages for the model.
     @JsonKey(includeIfNull: false) List<Message>? messages,
   }) = _ModelInfo;
@@ -49,6 +53,7 @@ class ModelInfo with _$ModelInfo {
     'template',
     'system',
     'details',
+    'model_info',
     'messages'
   ];
 
@@ -66,6 +71,7 @@ class ModelInfo with _$ModelInfo {
       'template': template,
       'system': system,
       'details': details,
+      'model_info': modelInfo,
       'messages': messages,
     };
   }

packages/ollama_dart/lib/src/generated/schema/model_information.dart

@@ -0,0 +1,61 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: invalid_annotation_target
+part of ollama_schema;
+
+// ==========================================
+// CLASS: ModelInformation
+// ==========================================
+
+/// Details about a model.
+@freezed
+class ModelInformation with _$ModelInformation {
+  const ModelInformation._();
+
+  /// Factory constructor for ModelInformation
+  const factory ModelInformation({
+    /// The architecture of the model.
+    @JsonKey(name: 'general.architecture', includeIfNull: false)
+    String? generalArchitecture,
+
+    /// The file type of the model.
+    @JsonKey(name: 'general.file_type', includeIfNull: false)
+    int? generalFileType,
+
+    /// The number of parameters in the model.
+    @JsonKey(name: 'general.parameter_count', includeIfNull: false)
+    int? generalParameterCount,
+
+    /// The number of parameters in the model.
+    @JsonKey(name: 'general.quantization_version', includeIfNull: false)
+    int? generalQuantizationVersion,
+  }) = _ModelInformation;
+
+  /// Object construction from a JSON representation
+  factory ModelInformation.fromJson(Map<String, dynamic> json) =>
+      _$ModelInformationFromJson(json);
+
+  /// List of all property names of schema
+  static const List<String> propertyNames = [
+    'general.architecture',
+    'general.file_type',
+    'general.parameter_count',
+    'general.quantization_version'
+  ];
+
+  /// Perform validations on the schema property values
+  String? validateSchema() {
+    return null;
+  }
+
+  /// Map representation of object (not serialized)
+  Map<String, dynamic> toMap() {
+    return {
+      'general.architecture': generalArchitecture,
+      'general.file_type': generalFileType,
+      'general.parameter_count': generalParameterCount,
+      'general.quantization_version': generalQuantizationVersion,
+    };
+  }
+}

packages/ollama_dart/lib/src/generated/schema/schema.dart

@@ -13,6 +13,7 @@ part 'schema.freezed.dart';
 part 'generate_completion_request.dart';
 part 'request_options.dart';
 part 'response_format.dart';
+part 'version_response.dart';
 part 'generate_completion_response.dart';
 part 'generate_chat_completion_request.dart';
 part 'generate_chat_completion_response.dart';
@@ -26,6 +27,7 @@ part 'create_model_status.dart';
 part 'models_response.dart';
 part 'model.dart';
 part 'model_details.dart';
+part 'model_information.dart';
 part 'process_response.dart';
 part 'process_model.dart';
 part 'model_info_request.dart';