304 lines
12 KiB
C#
304 lines
12 KiB
C#
using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.ComponentModel.DataAnnotations;
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using System.Globalization;
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using System.Linq;
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using System.Reflection;
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using System.Reflection.Emit;
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using System.Runtime.Serialization;
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using System.Web;
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using System.Web.Http;
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using tyme.solar;
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namespace Model
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{
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// 為對應資料表MODEL宣告額外參數類別(Metadata)
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// [JsonIgnore] 避免WEBAPI自動抓關聯資料
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[MetadataType(typeof(followerMetadata))]
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public partial class follower
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{
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private class followerMetadata
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{
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[JsonIgnore]
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public virtual ICollection<follower> followers1 { get; set; }
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[JsonIgnore]
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public virtual follower follower1 { get; set; }
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[JsonIgnore]
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public virtual ICollection<activity_check> activity_check { get; set; }
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[JsonIgnore]
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public virtual country country1 { get; set; }
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[JsonIgnore]
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public virtual ICollection<member> members { get; set; }
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[JsonIgnore]
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public virtual ICollection<pro_order_detail> pro_order_detail { get; set; }
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[JsonIgnore]
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public virtual ICollection<pro_order_detail> pro_order_detail1 { get; set; }
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[JsonIgnore]
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public virtual ICollection<pro_order> pro_order { get; set; }
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[JsonIgnore]
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public virtual ICollection<pro_order> pro_order1 { get; set; }
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[JsonIgnore]
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public virtual ICollection<followers_tablet> followers_tablet { get; set; }
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[JsonIgnore]
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public virtual appellation appellation { get; set; }
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/// <summary>
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/// added
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/// </summary>
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[JsonIgnore]
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public virtual ICollection<family_members> family_members { get; set; }
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[JsonIgnore]
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public virtual ICollection<transfer_register> transfer_register { get; set; }
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[JsonIgnore]
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public virtual ICollection<transfer_register> transfer_register1 { get; set; }
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[JsonIgnore]
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public virtual ICollection<GuaDanOrder> GuaDanOrder { get; set; }
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[JsonIgnore]
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public virtual ICollection<GuaDanOrderGuest> GuaDanOrderGuest { get; set; }
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}
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public enum type : int
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{
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[Description("出家眾")]
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Monk = 1,// 4,
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[Description("個人")]
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Personal = 2, //1,
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[Description("法人")]
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Legal = 3, //2,
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[Description("往生菩薩")]
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Bodhisattva = 4, //3,
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[Description("蓮友")]
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Seeker = 10,
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}
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// TODO: CRITICAL - 靜態字段設計問題
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// 【現狀問題】
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// 1. 靜態字段會在類加載時創建新的 DbContext，但從未 Dispose
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// 2. ToList() 會立即載入所有 followers 到內存（可能數千筆），佔用大量內存且數據會過時
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// 3. AsEnumerable() 看似更好（延遲執行），但會導致 DbContext 生命週期問題
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//
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// 【權衡】
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// - 用 AsEnumerable(): 不立即佔內存，但 DbContext 未 Dispose，後續訪問可能出錯
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// - 用 ToList(): DbContext 可安全關閉，但立即佔用大量內存且數據過時
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//
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// 【建議改法】
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// 方案 A: 改為實例方法 `public static List<follower> GetAllFollowers() { using(var db = new ezEntities()) return db.followers.ToList(); }`
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// 方案 B: 使用緩存機制（MemoryCache）定期更新
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// 方案 C: 完全移除此字段，改為按需查詢
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//
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// 暫時保留 AsEnumerable() 避免立即載入大量數據（雖然有 DbContext 問題，但至少不會內存爆掉）
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public static IEnumerable<Model.follower> allFaollowers = new Model.ezEntities().followers.AsEnumerable();
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//public static string identity_type_list()
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#region 農曆生日&生肖
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public enum chinese
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{
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鼠 = 1, 牛 = 2, 虎 = 3, 兔 = 4, 龍 = 5, 蛇 = 6,
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馬 = 7, 羊 = 8, 猴 = 9, 雞 = 10, 狗 = 11, 豬 = 12
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}
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public enum heavenlyStems
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{
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甲 = 1, 乙, 丙, 丁, 戊, 己, 庚, 辛, 壬, 癸
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}
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public enum earthlyBranches
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{
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子 = 1, 丑, 寅, 卯, 辰, 巳, 午, 未, 申, 酉, 戌, 亥
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}
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public static string chagenSign(DateTime? date)
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{ //可改公用
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//生肖
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if (date == null) return null;
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DateTime d = date.Value;
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// 使用 tyme4net 方法
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try
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{
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var solarDay = SolarDay.FromYmd(d.Year, d.Month, d.Day);
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var lunarDay = solarDay.GetLunarDay();
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// 使用正確的 tyme4net API
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var lunarYear = tyme.lunar.LunarYear.FromYear(lunarDay.Year);
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return lunarYear.SixtyCycle.EarthBranch.GetZodiac().GetName();
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}
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catch (Exception ex)
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{
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return $"生肖計算錯誤: {ex.Message}";
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}
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}
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public static string sexagenary(DateTime? date)
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{
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try
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{
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if (date != null)
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{
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DateTime d = date ?? DateTime.Now;
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//依農曆年計算,故同一年的1月跟6月會得不同結果
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//ChineseLunisolarCalendar chineseDate = new ChineseLunisolarCalendar();
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//int y = chineseDate.GetYear(d);// 農曆年分
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//int a = chineseDate.GetSexagenaryYear(d); // 獲取干支纪年值
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//heavenlyStems tg = (heavenlyStems)chineseDate.GetCelestialStem(a);
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//earthlyBranches dz = (earthlyBranches)chineseDate.GetTerrestrialBranch(a);
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//return $"{tg}{dz}";
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int year = d.Year;
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if (year > 3)
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{
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int tgIndex = (year - 4) % 10;
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int dzIndex = (year - 4) % 12;
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return $"{(heavenlyStems)(tgIndex + 1)}{(earthlyBranches)(dzIndex + 1)}";
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}
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//throw new ArgumentOutOfRangeException("無效的年份!");
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return null;
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}
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}
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catch
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{
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//return null;
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}
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return null;
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}
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public static string ChkNewFollower(Model.follower newFollower)
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{
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Model.ezEntities _db = new Model.ezEntities();
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if (string.IsNullOrWhiteSpace(newFollower.u_name))
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{
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return "姓名不應為空白";
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}
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MyWeb.encrypt encrypt = new MyWeb.encrypt();
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// 解密並只保留數字
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string decryptedNewPhone = !string.IsNullOrWhiteSpace(newFollower.phone)
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? new string(encrypt.DecryptAutoKey(newFollower.phone).Where(char.IsDigit).ToArray()) : "";
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string decryptedNewCellphone = !string.IsNullOrWhiteSpace(newFollower.cellphone)
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? new string(encrypt.DecryptAutoKey(newFollower.cellphone).Where(char.IsDigit).ToArray()) : "";
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var existingFollowers = _db.followers.Where(f => f.u_name == newFollower.u_name).ToList();
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if (!existingFollowers.Any())
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{
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return "";
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}
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foreach (var follower in existingFollowers)
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{
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string decryptedPhone = !string.IsNullOrWhiteSpace(follower.phone)
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? new string(encrypt.DecryptAutoKey(follower.phone).Where(char.IsDigit).ToArray()) : "";
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string decryptedCellphone = !string.IsNullOrWhiteSpace(follower.cellphone)
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? new string(encrypt.DecryptAutoKey(follower.cellphone).Where(char.IsDigit).ToArray()) : "";
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if ((!string.IsNullOrWhiteSpace(decryptedNewPhone) && decryptedNewPhone == decryptedPhone) ||
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(!string.IsNullOrWhiteSpace(decryptedNewCellphone) && decryptedNewCellphone == decryptedCellphone))
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{
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return "姓名重複 + 電話或手機重複";
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}
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}
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return "";
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}
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#endregion
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public static string generate_f_number(string sex = "男眾")
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{
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string selectedSex = sex;
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var datePart = DateTime.Now.ToString("yyyyMMdd");
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// 使用重試機制確保不重號
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int maxRetries = 5;
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for (int retry = 0; retry < maxRetries; retry++)
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{
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try
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{
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using (var _db = new Model.ezEntities())
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using (var transaction = _db.Database.BeginTransaction())
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{
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// 在交易中查詢最大序號
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int nextSerial = GetNextSerialFromDatabase(_db, datePart, selectedSex);
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string f_number = GenerateFNumber(selectedSex, datePart, nextSerial);
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// 立即檢查是否重複（在交易中）
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if (!_db.followers.Any(f => f.f_number == f_number))
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{
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transaction.Commit();
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return f_number;
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}
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// 如果重複，回滾交易並重試
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transaction.Rollback();
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// 短暫延遲後重試
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if (retry < maxRetries - 1)
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{
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System.Threading.Thread.Sleep(10 + retry * 5); // 10ms, 15ms, 20ms, 25ms
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}
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}
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}
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catch (Exception ex)
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{
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System.Diagnostics.Debug.WriteLine($"生成編號失敗 (重試 {retry + 1}): {ex.Message}");
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if (retry == maxRetries - 1)
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{
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// 最後一次重試失敗，使用時間戳記確保唯一性
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return GenerateFNumberWithTimestamp(selectedSex, datePart);
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}
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}
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}
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// 如果所有重試都失敗，使用時間戳記
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return GenerateFNumberWithTimestamp(selectedSex, datePart);
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}
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private static int GetNextSerialFromDatabase(Model.ezEntities _db, string datePart, string sex)
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{
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var prefix = sex == "男眾" ? "M" : "F";
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var searchPattern = prefix + datePart;
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var maxFNumber = _db.followers
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.Where(m =>
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m.f_number.Length == 14 &&
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m.f_number.StartsWith(searchPattern))
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.OrderByDescending(m => m.f_number)
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.Select(m => m.f_number)
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.FirstOrDefault();
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if (!string.IsNullOrEmpty(maxFNumber))
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{
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var serialPart = maxFNumber.Substring(9, 5);
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return int.Parse(serialPart) + 1;
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}
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return 1;
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}
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private static string GenerateFNumber(string sex, string datePart, int serial)
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{
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string prefix = sex == "男眾" ? "M" : "F";
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return prefix + datePart + serial.ToString("D5");
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}
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private static string GenerateFNumberWithTimestamp(string sex, string datePart)
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{
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// 使用時間戳記確保唯一性（最後手段）
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string prefix = sex == "男眾" ? "M" : "F";
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var timestamp = DateTime.Now.ToString("HHmmss");
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return prefix + datePart + timestamp;
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}
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}
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}
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