WebAPI: Bugfix: Add 'application/json; charset=utf-8' to Produces annotations.

* Issue reference: Green-Software-Foundation#198
* Produces filters now accept application/json; charset=utf-8

Signed-off-by: Szymon Duchniewicz <[email protected]>

Author: Willmish

src/CarbonAware.WebApi/src/Controllers/CarbonAwareController.cs

@@ -34,7 +34,7 @@ public CarbonAwareController(ILogger<CarbonAwareController> logger, IEmissionsHa
     /// </summary>
     /// <param name="parameters">The request object <see cref="EmissionsDataForLocationsParametersDTO"/></param>
     /// <returns>Array of EmissionsData objects that contains the location, time and the rating in g/kWh</returns>
-    [Produces("application/json")]
+    [Produces("application/json", "application/json; charset=utf-8")]
     [ProducesResponseType(StatusCodes.Status200OK, Type = typeof(IEnumerable<EmissionsData>))]
     [ProducesResponseType(StatusCodes.Status204NoContent)]
     [ProducesResponseType(StatusCodes.Status400BadRequest, Type = typeof(ValidationProblemDetails))]
@@ -50,7 +50,7 @@ public async Task<IActionResult> GetBestEmissionsDataForLocationsByTime([FromQue
     /// </summary>
     /// <param name="parameters">The request object <see cref="EmissionsDataForLocationsParametersDTO"/></param>
     /// <returns>Array of EmissionsData objects that contains the location, time and the rating in g/kWh</returns>
-    [Produces("application/json")]
+    [Produces("application/json", "application/json; charset=utf-8")]
     [ProducesResponseType(StatusCodes.Status200OK, Type = typeof(IEnumerable<EmissionsData>))]
     [ProducesResponseType(StatusCodes.Status204NoContent)]
     [ProducesResponseType(StatusCodes.Status400BadRequest, Type = typeof(ValidationProblemDetails))]
@@ -68,7 +68,7 @@ public async Task<IActionResult> GetEmissionsDataForLocationsByTime([FromQuery]
     /// <param name="startTime"> [Optional] Start time for the data query.</param>
     /// <param name="endTime"> [Optional] End time for the data query.</param>
     /// <returns>Array of EmissionsData objects that contains the location, time and the rating in g/kWh</returns>
-    [Produces("application/json")]
+    [Produces("application/json", "application/json; charset=utf-8")]
     [ProducesResponseType(StatusCodes.Status200OK, Type = typeof(IEnumerable<EmissionsData>))]
     [ProducesResponseType(StatusCodes.Status204NoContent)]
     [ProducesResponseType(StatusCodes.Status400BadRequest, Type = typeof(ValidationProblemDetails))]
@@ -107,7 +107,7 @@ public async Task<IActionResult> GetEmissionsDataForLocationByTime(
     /// <response code="400">Returned if any of the input parameters are invalid</response>
     /// <response code="500">Internal server error</response>
     /// <response code="501">Returned if the underlying data source does not support forecasting</response>
-    [Produces("application/json")]
+    [Produces("application/json", "application/json; charset=utf-8")]
     [ProducesResponseType(StatusCodes.Status200OK, Type = typeof(IEnumerable<EmissionsForecastDTO>))]
     [ProducesResponseType(StatusCodes.Status400BadRequest, Type = typeof(ValidationProblemDetails))]
     [ProducesResponseType(StatusCodes.Status500InternalServerError, Type = typeof(ValidationProblemDetails))]
@@ -138,7 +138,7 @@ public async Task<IActionResult> GetCurrentForecastData([FromQuery] EmissionsFor
     /// <response code="400">Returned if any of the input parameters are invalid</response>
     /// <response code="500">Internal server error</response>
     /// <response code="501">Returned if the underlying data source does not support forecasting</response>
-    [Produces("application/json")]
+    [Produces("application/json", "application/json; charset=utf-8")]
     [ProducesResponseType(StatusCodes.Status200OK, Type = typeof(IEnumerable<EmissionsForecastDTO>))]
     [ProducesResponseType(StatusCodes.Status400BadRequest, Type = typeof(ValidationProblemDetails))]
     [ProducesResponseType(StatusCodes.Status500InternalServerError, Type = typeof(ValidationProblemDetails))]
@@ -172,7 +172,7 @@ public async Task<IActionResult> BatchForecastDataAsync([FromBody] IEnumerable<E
     /// <response code="200">Returns a single object that contains the information about the request and the average marginal carbon intensity</response>
     /// <response code="400">Returned if any of the requested items are invalid</response>
     /// <response code="500">Internal server error</response>
-    [Produces("application/json")]
+    [Produces("application/json", "application/json; charset=utf-8")]
     [ProducesResponseType(StatusCodes.Status200OK, Type = typeof(CarbonIntensityDTO))]
     [ProducesResponseType(StatusCodes.Status400BadRequest, Type = typeof(ValidationProblemDetails))]
     [ProducesResponseType(StatusCodes.Status500InternalServerError, Type = typeof(ValidationProblemDetails))]
@@ -209,7 +209,7 @@ public async Task<IActionResult> GetAverageCarbonIntensity([FromQuery] CarbonInt
     /// <response code="200">Returns an array of objects where each contains location, time boundaries and the corresponding average marginal carbon intensity</response>
     /// <response code="400">Returned if any of the requested items are invalid</response>
     /// <response code="500">Internal server error</response>
-    [Produces("application/json")]
+    [Produces("application/json", "application/json; charset=utf-8")]
     [ProducesResponseType(StatusCodes.Status200OK, Type = typeof(IEnumerable<CarbonIntensityDTO>))]
     [ProducesResponseType(StatusCodes.Status400BadRequest, Type = typeof(ValidationProblemDetails))]
     [ProducesResponseType(StatusCodes.Status500InternalServerError, Type = typeof(ValidationProblemDetails))]