Ejemplo n.º 1
0
        public HttpResponseMessage Respond(ApiController apiController, string sp, IDictionary <string, object> parameters,
                                           MediaTypeHeaderValue negotiatedMediaType, Encoding negotiatedEncoding)
        {
            HttpResponseMessage          csvResponse  = apiController.Request.CreateResponse();
            IDictionary <string, string> queryStrings = apiController.Request.GetQueryStringDictionary();

            int[] resultSetChoices = new int[] { GetQueryResultSetIndex(queryStrings, DbWebApiOptions.QueryStringContract.ResultSetParameterName) };

            csvResponse.Content = new PushStreamContent((stream, httpContent, transportContext) =>
            {
                StreamWriter textWriter = (negotiatedEncoding == null) ? new StreamWriter(stream) : new StreamWriter(stream, negotiatedEncoding);

                using (DbContext dbContext = new DbContext())
                {
                    dbContext.SetNamingConvention(queryStrings);

                    CsvExporter csvExporter = new CsvExporter(textWriter);

                    dbContext.ExecuteDbApi(sp, parameters, null,
                                           readHeader =>
                    {
                        string[] headers = new string[readHeader.VisibleFieldCount];

                        for (int i = 0; i < headers.Length; i++)
                        {
                            headers[i] = dbContext.ResolvePropertyName(readHeader.GetName(i));
                        }

                        csvExporter.WriteHeader(headers);
                    },
                                           readRow =>
                    {
                        object[] values = new object[readRow.VisibleFieldCount];

                        readRow.GetColumnValues(values);

                        csvExporter.WriteRow(values);
                    },
                                           null, null, resultSetChoices);

                    textWriter.Flush();
                }

                stream.Close();
            }, negotiatedMediaType ?? _DefaultMediaType);

            csvResponse.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment")
            {
                FileName = queryStrings.GetQueryFileName(DbWebApiOptions.QueryStringContract.FileNameParameterName, FormatShortName)
            };

            return(csvResponse);
        }
Ejemplo n.º 2
0
        public HttpResponseMessage Respond(ApiController apiController, string sp, IDictionary <string, object> parameters,
                                           MediaTypeHeaderValue negotiatedMediaType, Encoding negotiatedEncoding)
        {
            HttpResponseMessage          csvResponse  = apiController.Request.CreateResponse();
            IDictionary <string, object> queryStrings = apiController.Request.GetQueryStringDictionary();

            int[] resultSetChoices = new int[] { GetQueryResultSetIndex(queryStrings, DbWebApiOptions.QueryStringContract.ResultSetParameterName) };

            csvResponse.Content = new PushStreamContent((stream, httpContent, transportContext) =>
            {
                StreamWriter textWriter = (negotiatedEncoding == null) ? new StreamWriter(stream) : new StreamWriter(stream, negotiatedEncoding);

                using (DalCenter dbContext = new DalCenter(queryStrings))
                {
                    CsvExporter csvExporter = new CsvExporter(textWriter);

                    dbContext.ExecuteDbApi(sp, parameters, null,
                                           readHeader =>
                    {
                        csvExporter.WriteHeader(dbContext.NameAllFields(readHeader));
                    },
                                           readRow =>
                    {
                        object[] values = new object[csvExporter.ColumnCount];

                        readRow.GetColumnValues(values);
                        csvExporter.WriteRow(values);
                    },
                                           null, null, resultSetChoices);

                    textWriter.Flush();
                }

                stream.Close();
            }, negotiatedMediaType ?? DefaultMediaType);

            csvResponse.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment")
            {
                FileName = queryStrings.GetQueryFileName(DbWebApiOptions.QueryStringContract.FileNameParameterName, FormatShortName)
            };

            return(csvResponse);
        }
Ejemplo n.º 3
0
        public HttpResponseMessage Respond(ApiController apiController, string sp, IDictionary<string, object> parameters,
			MediaTypeHeaderValue negotiatedMediaType, Encoding negotiatedEncoding)
        {
            HttpResponseMessage csvResponse = apiController.Request.CreateResponse();
            IDictionary<string, string> queryStrings = apiController.Request.GetQueryStringDictionary();
            int[] resultSetChoices = new int[] { GetQueryResultSetIndex(queryStrings, DbWebApiOptions.QueryStringContract.ResultSetParameterName) };

            csvResponse.Content = new PushStreamContent((stream, httpContent, transportContext) =>
            {
                StreamWriter textWriter = (negotiatedEncoding == null) ? new StreamWriter(stream) : new StreamWriter(stream, negotiatedEncoding);

                using (DalCenter dbContext = new DalCenter(queryStrings))
                {
                    CsvExporter csvExporter = new CsvExporter(textWriter);

                    dbContext.ExecuteDbApi(sp, parameters, null,
                        readHeader =>
                        {
                            string[] headers = new string[readHeader.VisibleFieldCount];

                            for (int i = 0; i < headers.Length; i++)
                                headers[i] = dbContext.ResolvePropertyName(readHeader.GetName(i));

                            csvExporter.WriteHeader(headers);
                        },
                        readRow =>
                        {
                            object[] values = new object[readRow.VisibleFieldCount];

                            readRow.GetColumnValues(values);

                            csvExporter.WriteRow(values);
                        },
                        null, null, resultSetChoices);

                    textWriter.Flush();
                }

                stream.Close();
            }, negotiatedMediaType ?? _DefaultMediaType);

            csvResponse.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment") { FileName = queryStrings.GetQueryFileName(DbWebApiOptions.QueryStringContract.FileNameParameterName, FormatShortName) };

            return csvResponse;
        }