261 lines
10 KiB
C#
261 lines
10 KiB
C#
using Disco.Plugins.ServiceTracker.Models;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Net;
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using System.Text;
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namespace Disco.Plugins.ServiceTracker.Services
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{
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public class GoogleSheetService
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{
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private readonly GoogleSheetConfig _config;
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private readonly string _cachePath;
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public GoogleSheetService(GoogleSheetConfig config, string dataDirectory)
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{
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_config = config;
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_cachePath = Path.Combine(dataDirectory, "sheet_cache.csv");
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}
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public GoogleSheetResult FetchTickets()
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{
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var result = new GoogleSheetResult();
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if (!_config.Enabled || string.IsNullOrEmpty(_config.SpreadsheetId))
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{
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result.Error = "Google Sheet integration is disabled.";
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return result;
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}
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string csvData = null;
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if (File.Exists(_cachePath))
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{
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var cacheAge = DateTime.Now - File.GetLastWriteTime(_cachePath);
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if (cacheAge.TotalMinutes < _config.RefreshMinutes)
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csvData = File.ReadAllText(_cachePath);
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}
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if (csvData == null)
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{
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try
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{
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string url;
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var id = _config.SpreadsheetId.Trim();
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if (id.StartsWith("2PACX", StringComparison.OrdinalIgnoreCase))
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url = "https://docs.google.com/spreadsheets/d/e/" + id + "/pub?output=csv&gid=" + _config.GId;
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else
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url = "https://docs.google.com/spreadsheets/d/" + id + "/export?format=csv&gid=" + _config.GId;
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using (var client = new WebClient())
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{
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client.Encoding = Encoding.UTF8;
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client.Headers.Add("User-Agent", "Mozilla/5.0 DiscoServiceTracker/1.0");
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csvData = client.DownloadString(url);
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}
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if (csvData != null && csvData.TrimStart().StartsWith("<!DOCTYPE", StringComparison.OrdinalIgnoreCase))
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{
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if (File.Exists(_cachePath))
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{
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csvData = File.ReadAllText(_cachePath);
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result.Warning = "Got HTML instead of CSV. Using cache.";
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}
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else
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{
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result.Error = "Google returned HTML not CSV. Publish as CSV.";
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return result;
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}
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}
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else
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{
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File.WriteAllText(_cachePath, csvData);
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}
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}
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catch (WebException ex)
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{
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if (File.Exists(_cachePath))
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{
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csvData = File.ReadAllText(_cachePath);
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result.Warning = "Using cache. Error: " + ex.Message;
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}
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else
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{
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result.Error = "Fetch failed: " + ex.Message;
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return result;
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}
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}
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catch (Exception ex)
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{
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result.Error = "Error: " + ex.Message;
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return result;
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}
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}
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try
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{
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result.Tickets = ParseCsv(csvData);
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if (result.Tickets.Count == 0 && string.IsNullOrEmpty(result.Warning))
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result.Warning = "Sheet OK but no open tickets found.";
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}
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catch (Exception ex)
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{
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result.Error = "Parse error: " + ex.Message;
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}
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return result;
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}
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private List<ExternalTicket> ParseCsv(string csvData)
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{
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var tickets = new List<ExternalTicket>();
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var lines = csvData.Split(new[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
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var usedIds = new HashSet<int>();
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for (int i = _config.HeaderRows; i < lines.Length; i++)
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{
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var fields = ParseCsvLine(lines[i]);
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if (fields.Count == 0) continue;
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bool allEmpty = true;
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for (int j = 0; j < fields.Count; j++)
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if (!string.IsNullOrWhiteSpace(fields[j])) { allEmpty = false; break; }
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if (allEmpty) continue;
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var taskTitle = SafeGet(fields, _config.ColTask);
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var issueDesc = SafeGet(fields, _config.ColIssue);
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var requestedBy = SafeGet(fields, _config.ColRequestedBy);
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var email = SafeGet(fields, _config.ColEmail);
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var timestamp = SafeGetDate(fields, _config.ColTimestamp);
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var ticket = new ExternalTicket
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{
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Source = "ntt",
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Timestamp = timestamp,
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RequesterEmail = email,
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RequesterName = requestedBy,
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TaskTitle = taskTitle,
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DeviceName = taskTitle,
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Location = SafeGet(fields, _config.ColLocation),
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IssueDescription = issueDesc ?? taskTitle,
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RawPriority = SafeGet(fields, _config.ColPriority),
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RawStatus = SafeGet(fields, _config.ColStatus),
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AssignedTo = SafeGet(fields, _config.ColAssignedTo),
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PreferredDate = SafeGetDateNullable(fields, _config.ColPreferredDate),
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SheetNotes = SafeGet(fields, _config.ColNotes)
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};
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// Generate STABLE IDs from content - same row always gets same ID
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var stableHash = GenerateStableHash(timestamp, email, taskTitle);
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ticket.InternalId = StableIdFromHash(stableHash, usedIds);
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ticket.ExternalId = "NTT" + ticket.InternalId.ToString();
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usedIds.Add(ticket.InternalId);
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var status = (ticket.RawStatus ?? "").ToLower().Trim();
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ticket.IsOpen = status != "completed" && status != "closed"
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&& status != "resolved" && status != "done" && status != "cancelled";
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if (ticket.IsOpen && (!string.IsNullOrWhiteSpace(taskTitle) || !string.IsNullOrWhiteSpace(issueDesc)))
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tickets.Add(ticket);
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}
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return tickets;
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}
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/// <summary>
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/// Generates a deterministic hash from the row's key fields.
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/// Same timestamp + email + task always produces the same number.
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/// </summary>
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private int GenerateStableHash(DateTime timestamp, string email, string task)
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{
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var key = timestamp.ToString("yyyyMMddHHmmss") + "|"
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+ (email ?? "").ToLower().Trim() + "|"
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+ (task ?? "").ToLower().Trim();
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// Use a simple but stable hash (DJB2-like)
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uint hash = 5381;
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for (int i = 0; i < key.Length; i++)
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hash = ((hash << 5) + hash) + (uint)key[i];
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return (int)(hash % 800000) + 100000; // Range: 100000-899999
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}
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/// <summary>
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/// Returns the hash as an ID, resolving collisions by incrementing.
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/// </summary>
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private int StableIdFromHash(int baseId, HashSet<int> used)
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{
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int id = baseId;
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while (used.Contains(id))
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id++;
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return id;
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}
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public static string MapPriority(string raw)
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{
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if (string.IsNullOrEmpty(raw)) return "medium";
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var lower = raw.ToLower().Trim();
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if (lower.Contains("urgent") || lower.Contains("same day") || lower.Contains("critical")) return "critical";
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if (lower.Contains("high") || lower.Contains("1-2 day")) return "high";
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if (lower.Contains("medium") || lower.Contains("3-5 day")) return "medium";
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if (lower.Contains("low") || lower.Contains("1 week") || lower.Contains("week+")) return "low";
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if (lower.Contains("scheduled") || lower.Contains("planned")) return "scheduled";
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// Emoji fallback
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if (raw.Contains("\U0001F534")) return "critical";
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if (raw.Contains("\U0001F7E0")) return "high";
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if (raw.Contains("\U0001F7E1")) return "medium";
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if (raw.Contains("\U0001F7E2")) return "low";
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return "medium";
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}
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private string SafeGet(List<string> fields, int index)
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{
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if (index < 0 || index >= fields.Count) return null;
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var val = fields[index].Trim();
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return string.IsNullOrEmpty(val) ? null : val;
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}
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private DateTime SafeGetDate(List<string> fields, int index)
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{
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var val = SafeGet(fields, index);
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if (val == null) return DateTime.Now;
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DateTime dt;
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if (DateTime.TryParse(val, out dt)) return dt;
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return DateTime.Now;
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}
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private DateTime? SafeGetDateNullable(List<string> fields, int index)
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{
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var val = SafeGet(fields, index);
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if (val == null) return null;
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DateTime dt;
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if (DateTime.TryParse(val, out dt)) return dt;
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return null;
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}
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private List<string> ParseCsvLine(string line)
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{
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var fields = new List<string>();
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bool inQuotes = false;
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var current = new StringBuilder();
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for (int i = 0; i < line.Length; i++)
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{
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char c = line[i];
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if (c == '"') { if (inQuotes && i + 1 < line.Length && line[i + 1] == '"') { current.Append('"'); i++; } else inQuotes = !inQuotes; }
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else if (c == ',' && !inQuotes) { fields.Add(current.ToString()); current.Clear(); }
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else if (c != '\r') current.Append(c);
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}
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fields.Add(current.ToString());
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return fields;
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}
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}
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public class GoogleSheetResult
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{
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public List<ExternalTicket> Tickets { get; set; }
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public string Error { get; set; }
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public string Warning { get; set; }
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public GoogleSheetResult() { Tickets = new List<ExternalTicket>(); }
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}
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}
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