Add OpenAPI doc definitions

src/AzureOpenAIProxy.ApiApp/Controllers/ChatCompletionsController.cs

@@ -2,6 +2,7 @@
 
 using Azure.AI.OpenAI;
 
+using AzureOpenAIProxy.ApiApp.Filters;
 using AzureOpenAIProxy.ApiApp.Models;
 using AzureOpenAIProxy.ApiApp.Services;
 
@@ -36,8 +37,8 @@ public class ChatCompletionsController(
     /// <returns>Returns the chat completions response.</returns>
     [HttpPost("deployments/{deploymentName}/chat/completions", Name = "GetChatCompletions")]
     public async Task<IActionResult> GetChatCompletionsAsync(
+        [OpenApiParameterIgnore][FromHeader(Name = "api-key")] string apiKey,
         [FromRoute] string deploymentName,
-        [FromHeader(Name = "api-key")] string apiKey,
         [FromQuery(Name = "api-version")] string apiVersion,
         [FromBody] ChatCompletionsOptions req)
     {
@@ -87,8 +88,8 @@ public async Task<IActionResult> GetChatCompletionsAsync(
     /// <returns>Returns the chat completions response.</returns>
     [HttpPost("deployments/{deploymentName}/extensions/chat/completions", Name = "GetExtensionsChatCompletions")]
     public async Task<IActionResult> GetExtensionsChatCompletionsAsync(
+        [OpenApiParameterIgnore][FromHeader(Name = "api-key")] string apiKey,
         [FromRoute] string deploymentName,
-        [FromHeader(Name = "api-key")] string apiKey,
         [FromQuery(Name = "api-version")] string apiVersion,
         [FromBody] ChatCompletionsOptions req)
     {

src/AzureOpenAIProxy.ApiApp/Controllers/CompletionsController.cs

@@ -2,6 +2,7 @@
 
 using Azure.AI.OpenAI;
 
+using AzureOpenAIProxy.ApiApp.Filters;
 using AzureOpenAIProxy.ApiApp.Models;
 using AzureOpenAIProxy.ApiApp.Services;
 
@@ -36,8 +37,8 @@ public class CompletionsController(
     /// <returns>Returns the chat completions response.</returns>
     [HttpPost("deployments/{deploymentName}/completions", Name = "GetCompletions")]
     public async Task<IActionResult> GetCompletionsAsync(
+        [OpenApiParameterIgnore][FromHeader(Name = "api-key")] string apiKey,
         [FromRoute] string deploymentName,
-        [FromHeader(Name = "api-key")] string apiKey,
         [FromQuery(Name = "api-version")] string apiVersion,
         [FromBody] CompletionsOptions req)
     {
@@ -87,8 +88,8 @@ public async Task<IActionResult> GetCompletionsAsync(
     /// <returns>Returns the completions response.</returns>
     [HttpPost("deployments/{deploymentName}/extensions/completions", Name = "GetExtensionsCompletions")]
     public async Task<IActionResult> GetExtensionsCompletionsAsync(
+        [OpenApiParameterIgnore][FromHeader(Name = "api-key")] string apiKey,
         [FromRoute] string deploymentName,
-        [FromHeader(Name = "api-key")] string apiKey,
         [FromQuery(Name = "api-version")] string apiVersion,
         [FromBody] CompletionsOptions req)
     {

src/AzureOpenAIProxy.ApiApp/Controllers/ManagementAccessCodeController.cs

@@ -1,4 +1,5 @@
-using AzureOpenAIProxy.ApiApp.Models;
+using AzureOpenAIProxy.ApiApp.Filters;
+using AzureOpenAIProxy.ApiApp.Models;
 
 using Microsoft.AspNetCore.Mvc;
 
@@ -19,7 +20,7 @@ public partial class ManagementController
     /// <returns>Returns the <see cref="AccessCodeResponseCollection"/> instance.</returns>
     [HttpGet("events/{eventId}/access-codes", Name = "GetListOfEventAccessCodes")]
     public async Task<IActionResult> GetEventAccessCodesByEventIdAsync(
-        [FromHeader(Name = "Authorization")] string apiKey,
+        [OpenApiParameterIgnore][FromHeader(Name = "api-key")] string apiKey,
         [FromRoute] string eventId,
         [FromQuery(Name = "page")] int? page = 0,
         [FromQuery(Name = "size")] int? size = 20)
@@ -66,7 +67,7 @@ public async Task<IActionResult> GetEventAccessCodesByEventIdAsync(
     /// <returns>Returns the <see cref="AccessCodeResponse"/> instance.</returns>
     [HttpPost("events/{eventId}/access-codes", Name = "CreateEventAccessCode")]
     public async Task<IActionResult> CreateEventAccessCodeAsync(
-        [FromHeader(Name = "Authorization")] string apiKey,
+        [OpenApiParameterIgnore][FromHeader(Name = "api-key")] string apiKey,
         [FromRoute] string eventId,
         [FromBody] AccessCodeRequest req)
     {
@@ -119,7 +120,7 @@ public async Task<IActionResult> CreateEventAccessCodeAsync(
     /// <returns>Returns the <see cref="AccessCodeResponse"/> instance.</returns>
     [HttpGet("events/{eventId}/access-codes/{gitHubAlias}", Name = "GetEventAccessCodeByGitHubAlias")]
     public async Task<IActionResult> GetEventAccessCodeByGitHubAliasAsync(
-        [FromHeader(Name = "Authorization")] string apiKey,
+        [OpenApiParameterIgnore][FromHeader(Name = "api-key")] string apiKey,
         [FromRoute] string eventId,
         [FromRoute] string gitHubAlias)
     {

src/AzureOpenAIProxy.ApiApp/Controllers/ManagementEventController.cs

@@ -1,4 +1,5 @@
-using AzureOpenAIProxy.ApiApp.Models;
+using AzureOpenAIProxy.ApiApp.Filters;
+using AzureOpenAIProxy.ApiApp.Models;
 using AzureOpenAIProxy.ApiApp.Services;
 
 using Microsoft.AspNetCore.Mvc;
@@ -31,7 +32,7 @@ public partial class ManagementController(
     /// <returns>Returns the <see cref="EventResponseCollection"/> instance.</returns>
     [HttpGet("events", Name = "GetListOfEvents")]
     public async Task<IActionResult> GetEventsAsync(
-        [FromHeader(Name = "Authorization")] string apiKey,
+        [OpenApiParameterIgnore][FromHeader(Name = "api-key")] string apiKey,
         [FromQuery(Name = "page")] int? page = 0,
         [FromQuery(Name = "size")] int? size = 20)
     {
@@ -69,7 +70,7 @@ public async Task<IActionResult> GetEventsAsync(
     /// <returns>Returns the <see cref="EventResponse"/> instance.</returns>
     [HttpPost("events", Name = "CreateEvent")]
     public async Task<IActionResult> CreateEventAsync(
-        [FromHeader(Name = "Authorization")] string apiKey,
+        [OpenApiParameterIgnore][FromHeader(Name = "api-key")] string apiKey,
         [FromBody] EventRequest req)
     {
         this._logger.LogInformation("Received a request to generate an event");
@@ -113,7 +114,7 @@ public async Task<IActionResult> CreateEventAsync(
     /// <returns>Returns the <see cref="EventResponse"/> instance.</returns>
     [HttpGet("events/{eventId}", Name = "GetEventById")]
     public async Task<IActionResult> GetEventByEventIdAsync(
-        [FromHeader(Name = "Authorization")] string apiKey,
+        [OpenApiParameterIgnore][FromHeader(Name = "api-key")] string apiKey,
         [FromRoute] string eventId)
     {
         this._logger.LogInformation("Received a request to get an event details by event ID");

src/AzureOpenAIProxy.ApiApp/Filters/OpenApiParameterIgnoreFilter.cs

@@ -0,0 +1,56 @@
+using Microsoft.AspNetCore.Mvc.ApiExplorer;
+using Microsoft.AspNetCore.Mvc.ModelBinding.Metadata;
+using Microsoft.OpenApi.Models;
+
+using Swashbuckle.AspNetCore.SwaggerGen;
+
+namespace AzureOpenAIProxy.ApiApp.Filters;
+
+/// <summary>
+/// This represents the attribute entity for parameters to be ignored from the OpenAPI document generation.
+/// </summary>
+[AttributeUsage(AttributeTargets.Parameter)]
+public class OpenApiParameterIgnoreAttribute : Attribute
+{
+}
+
+/// <summary>
+/// This represents the filter entity for parameters to be ignored from the OpenAPI document generation.
+/// </summary>
+/// <remarks>https://stackoverflow.com/questions/69651135/hide-parameter-from-swagger-swashbuckle</remarks>
+public class OpenApiParameterIgnoreFilter : IOperationFilter
+{
+    /// <inheritdoc />
+    public void Apply(OpenApiOperation operation, OperationFilterContext context)
+    {
+        if (operation == null || context == null || context.ApiDescription?.ParameterDescriptions == null)
+        {
+            return;
+        }
+
+        var parametersToHide = context.ApiDescription.ParameterDescriptions
+                                      .Where(ParameterHasIgnoreAttribute);
+
+        if (parametersToHide.Any() == false)
+        {
+            return;
+        }
+
+        foreach (var parameterToHide in parametersToHide)
+        {
+            var parameter = operation.Parameters
+                                     .FirstOrDefault(parameter => parameter.Name.Equals(parameterToHide.Name, StringComparison.InvariantCultureIgnoreCase));
+            if (parameter != null)
+            {
+                operation.Parameters.Remove(parameter);
+            }
+        }
+    }
+
+    private static bool ParameterHasIgnoreAttribute(ApiParameterDescription parameterDescription)
+    {
+        return parameterDescription.ModelMetadata is DefaultModelMetadata metadata
+            ? metadata.Attributes.ParameterAttributes.Any(attribute => attribute.GetType() == typeof(OpenApiParameterIgnoreAttribute))
+            : false;
+    }
+}

src/AzureOpenAIProxy.ApiApp/Program.cs

@@ -1,7 +1,10 @@
 using AzureOpenAIProxy.ApiApp.Configurations;
+using AzureOpenAIProxy.ApiApp.Filters;
 using AzureOpenAIProxy.ApiApp.Models;
 using AzureOpenAIProxy.ApiApp.Services;
 
+using Microsoft.OpenApi.Models;
+
 var builder = WebApplication.CreateBuilder(args);
 
 builder.AddServiceDefaults();
@@ -17,7 +20,37 @@
 builder.Services.AddControllers();
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
 builder.Services.AddEndpointsApiExplorer();
-builder.Services.AddSwaggerGen();
+builder.Services.AddSwaggerGen(options =>
+{
+    options.SwaggerDoc(
+        "v1",
+        new OpenApiInfo()
+        {
+            Version = "1.0.0",
+            Title = "Azure OpenAI Proxy Service",
+            Description = "Providing a proxy service to Azure OpenAI",
+        });
+    options.AddSecurityDefinition(
+        "apiKey",
+        new OpenApiSecurityScheme()
+        {
+            Name = "api-key",
+            Type = SecuritySchemeType.ApiKey,
+            Description = "API key needed to access the endpoints.",
+            In = ParameterLocation.Header,
+        });
+    options.AddSecurityRequirement(new OpenApiSecurityRequirement
+    {
+        {
+            new OpenApiSecurityScheme
+            {
+                Reference = new OpenApiReference { Type = ReferenceType.SecurityScheme, Id = "apiKey" }
+            },
+            new string[] {}
+        }
+    });
+    options.OperationFilter<OpenApiParameterIgnoreFilter>();
+});
 
 var app = builder.Build();
 

src/AzureOpenAIProxy.ApiApp/appsettings.Development.sample.json

@@ -14,7 +14,8 @@
     "Instances": [
       {
         "Endpoint": "https://{account_name}.openai.azure.com/",
-        "ApiKey": "random.apikey.aoai"
+        "ApiKey": "random.api-key.aoai",
+        "DeploymentName": "random.deployment-name.aoai"
       }
     ]
   }

src/AzureOpenAIProxy.ApiApp/appsettings.json

@@ -14,7 +14,8 @@
     "Instances": [
       {
         "Endpoint": "https://{account_name}.openai.azure.com/",
-        "ApiKey": "random.apikey.aoai"
+        "ApiKey": "random.api-key.aoai",
+        "DeploymentName": "random.deployment-name.aoai"
       }
     ]
   },