81 lines
3.2 KiB
C#
81 lines
3.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.IO;
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using System.Linq;
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using System.Threading.Tasks;
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namespace IOB_UT_NEXT
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{
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public class DataExport
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{
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/// <summary>
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/// Effettua salvataggio in file di un generico oggetto in formato CSV
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="reportData">Lista oggetti da esportare</param>
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/// <param name="path">Percorso file di output</param>
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/// <param name="writeHeader">Indica se scrivere header ad inizio CSV</param>
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/// <param name="separator">Separatore da impiegare (default ";")</param>
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/// <returns></returns>
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public static bool SaveToCsv<T>(List<T> reportData, string path, bool writeHeader, char separator = ';')
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{
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bool answ = false;
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var lines = new List<string>();
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try
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{
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IEnumerable<PropertyDescriptor> props = TypeDescriptor.GetProperties(typeof(T)).OfType<PropertyDescriptor>();
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var elencoValori = props.ToList();
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var header = string.Join($"{separator}", props.ToList().Select(x => !string.IsNullOrEmpty(x.Description) ? x.Description : x.Name));
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var fieldList = string.Join($"{separator}", props.ToList().Select(x => x.Name));
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if (writeHeader)
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{
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lines.Add(header);
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}
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var valueLines = reportData.Select(row => string.Join($"{separator}", fieldList.Split(separator).Select(a => row.GetType().GetProperty(a).GetValue(row, null))));
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lines.AddRange(valueLines);
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File.WriteAllLines(path, lines.ToArray());
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answ = true;
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}
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catch
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{ }
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return answ;
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}
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/// <summary>
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/// Effettua salvataggio in file di un generico oggetto in formato Fixed width
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="reportData">Lista oggetti da esportare</param>
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/// <param name="path">Percorso file di output</param>
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/// <param name="widthList">Vettore delle larghezze richieste</param>
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/// <returns></returns>
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public static bool SaveFixedWidth<T>(List<T> reportData, string path, Dictionary<string, int> widthList)
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{
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bool answ = false;
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var lines = new List<string>();
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try
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{
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IEnumerable<PropertyDescriptor> props = TypeDescriptor.GetProperties(typeof(T)).OfType<PropertyDescriptor>();
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var elencoValori = props.ToList();
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foreach (var dataRow in reportData)
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{
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string currRow = "";
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// processo 1:1 x width...
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foreach (var item in widthList)
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{
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currRow += string.Format($"{{0,{item.Value}}}", dataRow.GetType().GetProperty(item.Key).GetValue(dataRow, null));
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}
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lines.Add(currRow);
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}
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File.WriteAllLines(path, lines.ToArray());
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answ = true;
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}
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catch
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{ }
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return answ;
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}
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}
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}
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