- fixes #1895 adds a colours scheme for console messages

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added support for enum and collection of enum return types for Java.
 - Added support for types with more than 500 discriminator entries in Java.
 - Added a confirmation message once the generation is successful. [#1898](https://github.com/microsoft/kiota/issues/1898)
+- Added colour scheme for all console messages to improve readability. [#1895](https://github.com/microsoft/kiota/issues/1895)
 
 ### Changed
 

src/kiota/Handlers/BaseKiotaCommandHandler.cs

@@ -67,78 +67,88 @@ protected static string NormalizeSlashesInPath(string path) {
         return true;
     });
     protected bool TutorialMode => tutorialMode.Value;
+    private static void DisplayHint(params string[] messages) {
+        Console.WriteLine();
+        DisplayMessages(ConsoleColor.Blue, messages);
+    }
+    private static void DisplayMessages(ConsoleColor color, params string[] messages) {
+        Console.ForegroundColor = color;
+        foreach(var message in messages)
+            Console.WriteLine(message);
+        Console.ResetColor();
+    }
+    protected static void DisplayError(params string[] messages) {
+        DisplayMessages(ConsoleColor.Red, messages);
+    }
+    protected static void DisplayWarning(params string[] messages) {
+        DisplayMessages(ConsoleColor.Yellow, messages);
+    }
+    protected static void DisplaySuccess(params string[] messages) {
+        DisplayMessages(ConsoleColor.Green, messages);
+    }
+    protected static void DisplayInfo(params string[] messages) {
+        DisplayMessages(ConsoleColor.White, messages);
+    }
     protected void DisplayDownloadHint(string searchTerm, string version) {
         if(TutorialMode) {
-            Console.WriteLine();
-            Console.WriteLine("Hint: use kiota download to download the OpenAPI description.");
-            if(string.IsNullOrEmpty(version))
-                Console.WriteLine($"Example: kiota download {searchTerm} -o <output path>");
-            else
-                Console.WriteLine($"Example: kiota download {searchTerm} -v {version} -o <output path>");
+            var example = string.IsNullOrEmpty(version) ?
+                $"Example: kiota download {searchTerm} -o <output path>" :
+                $"Example: kiota download {searchTerm} -v {version} -o <output path>";
+            DisplayHint("Hint: use kiota download to download the OpenAPI description.", example);
         }
     }
     protected void DisplayShowHint(string searchTerm, string version, string path = null) {
         if(TutorialMode) {
-            Console.WriteLine();
-            Console.WriteLine("Hint: use kiota show to display a tree of paths present in the OpenAPI description.");
-            if(!string.IsNullOrEmpty(path))
-                Console.WriteLine($"Example: kiota show -d {path}");
-            else if(string.IsNullOrEmpty(version))
-                Console.WriteLine($"Example: kiota show -k {searchTerm}");
-            else
-                Console.WriteLine($"Example: kiota show -k {searchTerm} -v {version}");
+            var example = path switch {
+                _ when !string.IsNullOrEmpty(path) => $"Example: kiota show -d {path}",
+                _ when string.IsNullOrEmpty(version) => $"Example: kiota show -k {searchTerm}",
+                _ => $"Example: kiota show -k {searchTerm} -v {version}",
+            };
+            DisplayHint("Hint: use kiota show to display a tree of paths present in the OpenAPI description.", example);
         }
     }
     protected void DisplayShowAdvancedHint(string searchTerm, string version, IEnumerable<string> includePaths, IEnumerable<string> excludePaths, string path = null) {
         if(TutorialMode && !includePaths.Any() && !excludePaths.Any()) {
-            Console.WriteLine();
-            Console.WriteLine("Hint: use the --include-path and --exclude-path options with glob patterns to filter the paths displayed.");
-            if(!string.IsNullOrEmpty(path))
-                Console.WriteLine($"Example: kiota show -d {path} --include-path **/foo");
-            else if(string.IsNullOrEmpty(version))
-                Console.WriteLine($"Example: kiota show -k {searchTerm} --include-path **/foo");
-            else
-                Console.WriteLine($"Example: kiota show -k {searchTerm} -v {version} --include-path **/foo");
+            var example = path switch {
+                _ when !string.IsNullOrEmpty(path) => $"Example: kiota show -d {path} --include-path **/foo",
+                _ when string.IsNullOrEmpty(version) => $"Example: kiota show -k {searchTerm} --include-path **/foo",
+                _ => $"Example: kiota show -k {searchTerm} -v {version} --include-path **/foo",
+            };
+            DisplayHint("Hint: use the --include-path and --exclude-path options with glob patterns to filter the paths displayed.", example);
         }
     }
     protected void DisplaySearchHint(string firstKey, string version) {
         if (TutorialMode &&!string.IsNullOrEmpty(firstKey)) {
-            Console.WriteLine();
-            Console.WriteLine("Hint: multiple matches found, use the key as the search term to display the details of a specific description.");
-            if(string.IsNullOrEmpty(version))
-                Console.WriteLine($"Example: kiota search {firstKey}");
-            else
-                Console.WriteLine($"Example: kiota search {firstKey} -v {version}");
+            var example = string.IsNullOrEmpty(version) ?
+                $"Example: kiota search {firstKey}" :
+                $"Example: kiota search {firstKey} -v {version}";
+            DisplayHint("Hint: multiple matches found, use the key as the search term to display the details of a specific description.", example);
         }
     }
     protected void DisplayGenerateHint(string path, IEnumerable<string> includedPaths, IEnumerable<string> excludedPaths) {
         if(TutorialMode) {
-            Console.WriteLine();
-            Console.WriteLine("Hint: use kiota generate to generate a client for the OpenAPI description.");
             var includedPathsSuffix = ((includedPaths?.Any() ?? false)? " -i " : string.Empty) + string.Join(" -i ", includedPaths);
             var excludedPathsSuffix = ((excludedPaths?.Any() ?? false)? " -e " : string.Empty) + string.Join(" -e ", excludedPaths);
-            Console.WriteLine($"Example: kiota generate -l <language> -o <output path> -d {path}{includedPathsSuffix}{excludedPathsSuffix}");
+            var example = $"Example: kiota generate -l <language> -o <output path> -d {path}{includedPathsSuffix}{excludedPathsSuffix}";
+            DisplayHint("Hint: use kiota generate to generate a client for the OpenAPI description.", example);
         }
     }
     protected void DisplayGenerateAdvancedHint(IEnumerable<string> includePaths, IEnumerable<string> excludePaths, string path) {
         if(TutorialMode && !includePaths.Any() && !excludePaths.Any()) {
-            Console.WriteLine();
-            Console.WriteLine("Hint: use the --include-path and --exclude-path options with glob patterns to filter the paths generated.");
-            Console.WriteLine($"Example: kiota generate --include-path **/foo -d {path}");
+            DisplayHint("Hint: use the --include-path and --exclude-path options with glob patterns to filter the paths generated.",
+                        $"Example: kiota generate --include-path **/foo -d {path}");
         }
     }
     protected void DisplayInfoHint(GenerationLanguage language, string path) {
         if(TutorialMode) {
-            Console.WriteLine();
-            Console.WriteLine("Hint: use the info command to get the list of dependencies you need to add to your project.");
-            Console.WriteLine($"Example: kiota info -d {path} -l {language}");
+            DisplayHint("Hint: use the info command to get the list of dependencies you need to add to your project.",
+                        $"Example: kiota info -d {path} -l {language}");
         }
     }
     protected void DisplayInfoAdvanced() {
         if(TutorialMode) {
-            Console.WriteLine();
-            Console.WriteLine("Hint: use the language argument to get the list of dependencies you need to add to your project.");
-            Console.WriteLine("Example: kiota info -l <language>");
+            DisplayHint("Hint: use the language argument to get the list of dependencies you need to add to your project.",
+                        "Example: kiota info -l <language>");
         }
     }
 }

src/kiota/Handlers/KiotaDownloadCommandHandler.cs

@@ -62,15 +62,15 @@ public override async Task<int> InvokeAsync(InvocationContext context)
     private async Task<int> SaveResultsAsync(IDictionary<string, SearchResult> results, ILogger logger, CancellationToken cancellationToken){
         var searchTerm = Configuration.Download.SearchTerm;
         if (!results.Any())
-            Console.WriteLine("No matching result found, use the search command to find the right key");
+            DisplayError("No matching result found, use the search command to find the right key");
         else if (results.Any() && !string.IsNullOrEmpty(searchTerm) && searchTerm.Contains(KiotaSearcher.ProviderSeparator) && results.ContainsKey(searchTerm)) {
             var (path, statusCode) = await SaveResultAsync(results.First(), logger, cancellationToken);
-            Console.WriteLine($"File successfully downloaded to {path}");
+            DisplaySuccess($"File successfully downloaded to {path}");
             DisplayShowHint(Configuration.Search.SearchTerm, Configuration.Search.Version, path);
             DisplayGenerateHint(path, Enumerable.Empty<string>(), Enumerable.Empty<string>());
             return statusCode;
         }  else 
-            Console.WriteLine("Multiple matches found, use the key to select a specific description.");
+            DisplayError("Multiple matches found, use the key to select a specific description. You can find the key by using the search command.");
 
         return 0;
     }

src/kiota/Handlers/KiotaGenerationCommandHandler.cs

@@ -76,7 +76,7 @@ public override async Task<int> InvokeAsync(InvocationContext context)
 
             try {
                 await new KiotaBuilder(logger, Configuration.Generation).GenerateClientAsync(cancellationToken);
-                Console.WriteLine("Generation completed successfully");
+                DisplaySuccess("Generation completed successfully");
                 DisplayInfoHint(language, Configuration.Generation.OpenAPIFilePath);
                 DisplayGenerateAdvancedHint(includePatterns, excludePatterns, Configuration.Generation.OpenAPIFilePath);
                 return 0;

src/kiota/Handlers/KiotaInfoCommandHandler.cs

@@ -85,13 +85,13 @@ private void ShowLanguagesTable() {
     }
     private static void ShowLanguageInformation(GenerationLanguage language, LanguagesInformation informationSource) {
         if (informationSource.TryGetValue(language.ToString(), out var languageInformation)) {
-            Console.WriteLine($"The language {language} is currently in {languageInformation.MaturityLevel} maturity level.");
-            Console.WriteLine("After generating code for this language, you need to install the following packages:");
+            DisplayInfo($"The language {language} is currently in {languageInformation.MaturityLevel} maturity level.",
+                        "After generating code for this language, you need to install the following packages:");
             foreach(var dependency in languageInformation.Dependencies) {
-                Console.WriteLine(languageInformation.DependencyInstallCommand, dependency.Name, dependency.Version);
+                DisplayInfo(languageInformation.DependencyInstallCommand, dependency.Name, dependency.Version);
             }
         } else {
-            Console.WriteLine($"No information for {language}.");
+            DisplayInfo($"No information for {language}.");
         }
     }
 }

src/kiota/Handlers/KiotaSeachBasedCommandHandler.cs

@@ -17,10 +17,10 @@ internal abstract class KiotaSearchBasedCommandHandler : BaseKiotaCommandHandler
             if (results.Count == 1)
                 return (results.First().Value.DescriptionUrl.ToString(), null);
             else if(!results.Any()) {
-                Console.WriteLine("No results found for the search term, use the search command to locate the description");
+                DisplayWarning("No results found for the search term, use the search command to locate the description");
                 return (string.Empty, 1);
             } else {
-                Console.WriteLine("Multiple results found for the search term, use the search command to locate the description");
+                DisplayWarning("Multiple results found for the search term, use the search command to locate the description");
                 return (string.Empty, 1);
             }
         }

src/kiota/Handlers/KiotaSearchCommandHandler.cs

@@ -55,11 +55,11 @@ private void DisplayResults(IDictionary<string, SearchResult> results){
         var searchTerm = Configuration.Search.SearchTerm;
         if (results.Any() && !string.IsNullOrEmpty(searchTerm) && searchTerm.Contains(KiotaSearcher.ProviderSeparator) && results.ContainsKey(searchTerm)) {
             var result = results.First();
-            Console.WriteLine($"Key: {result.Key}");
-            Console.WriteLine($"Title: {result.Value.Title}");
-            Console.WriteLine($"Description: {result.Value.Description}");
-            Console.WriteLine($"Service: {result.Value.ServiceUrl}");
-            Console.WriteLine($"OpenAPI: {result.Value.DescriptionUrl}");
+            DisplayInfo($"Key: {result.Key}");
+            DisplayInfo($"Title: {result.Value.Title}");
+            DisplayInfo($"Description: {result.Value.Description}");
+            DisplayInfo($"Service: {result.Value.ServiceUrl}");
+            DisplayInfo($"OpenAPI: {result.Value.DescriptionUrl}");
             DisplayDownloadHint(Configuration.Search.SearchTerm, Configuration.Search.Version);
             DisplayShowHint(Configuration.Search.SearchTerm, Configuration.Search.Version);
         }  else {