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using System;
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using System.Collections.Generic;
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using System.Data;
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using Microsoft.Data.Sqlite;
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using 報到系統客戶端.Data;
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using 報到系統客戶端.Data.Models;
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namespace 報到系統客戶端.Data.Repositories
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{
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/// <summary>
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/// Classes 本地資料庫操作類別
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/// </summary>
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public class ClassesRepository
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{
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private readonly DatabaseService _dbService;
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public ClassesRepository()
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{
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_dbService = DatabaseService.Instance;
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}
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/// <summary>
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/// 新增一筆 Classes 資料
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/// </summary>
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public int Insert(LocalClassesItem item)
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{
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try
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{
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var conn = _dbService.GetConnection();
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string sql = @"
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INSERT INTO Classes
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(ID, CourseCode, CourseName, CourseDate, CourseLocation, NotificationTemplate, AgreedTerms, StartTime, EndTime, CreatedAt, UpdatedAt)
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VALUES (@ID, @CourseCode, @CourseName, @CourseDate, @CourseLocation, @NotificationTemplate, @AgreedTerms, @StartTime, @EndTime, @CreatedAt, @UpdatedAt)
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";
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using (SqliteCommand cmd = new SqliteCommand(sql, conn))
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{
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cmd.Parameters.AddWithValue("@ID", item.ID);
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cmd.Parameters.AddWithValue("@CourseCode", item.CourseCode ?? (object)DBNull.Value);
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cmd.Parameters.AddWithValue("@CourseName", item.CourseName ?? (object)DBNull.Value);
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cmd.Parameters.AddWithValue("@CourseDate", item.CourseDate ?? (object)DBNull.Value);
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cmd.Parameters.AddWithValue("@CourseLocation", item.CourseLocation ?? (object)DBNull.Value);
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cmd.Parameters.AddWithValue("@NotificationTemplate", item.NotificationTemplate ?? (object)DBNull.Value);
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cmd.Parameters.AddWithValue("@AgreedTerms", item.AgreedTerms ?? (object)DBNull.Value);
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cmd.Parameters.AddWithValue("@StartTime", item.StartTime ?? (object)DBNull.Value);
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cmd.Parameters.AddWithValue("@EndTime", item.EndTime ?? (object)DBNull.Value);
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cmd.Parameters.AddWithValue("@CreatedAt", DateTime.Now);
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cmd.Parameters.AddWithValue("@UpdatedAt", DateTime.Now);
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cmd.ExecuteNonQuery();
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}
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// 返回傳入的 ID
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return item.ID;
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}
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catch (Exception ex)
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{
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throw new Exception($"新增 Classes 資料失敗：{ex.Message}", ex);
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}
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}
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/// <summary>
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/// 更新一筆 Classes 資料
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/// </summary>
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public bool Update(LocalClassesItem item)
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{
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try
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{
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var conn = _dbService.GetConnection();
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string sql = @"
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UPDATE Classes SET
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CourseCode = @CourseCode,
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CourseName = @CourseName,
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CourseDate = @CourseDate,
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CourseLocation = @CourseLocation,
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NotificationTemplate = @NotificationTemplate,
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AgreedTerms = @AgreedTerms,
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StartTime = @StartTime,
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EndTime = @EndTime,
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UpdatedAt = @UpdatedAt
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WHERE ID = @ID
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";
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using (SqliteCommand cmd = new SqliteCommand(sql, conn))
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{
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cmd.Parameters.AddWithValue("@ID", item.ID);
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cmd.Parameters.AddWithValue("@CourseCode", item.CourseCode ?? (object)DBNull.Value);
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cmd.Parameters.AddWithValue("@CourseName", item.CourseName ?? (object)DBNull.Value);
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cmd.Parameters.AddWithValue("@CourseDate", item.CourseDate ?? (object)DBNull.Value);
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cmd.Parameters.AddWithValue("@CourseLocation", item.CourseLocation ?? (object)DBNull.Value);
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cmd.Parameters.AddWithValue("@NotificationTemplate", item.NotificationTemplate ?? (object)DBNull.Value);
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cmd.Parameters.AddWithValue("@AgreedTerms", item.AgreedTerms ?? (object)DBNull.Value);
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cmd.Parameters.AddWithValue("@StartTime", item.StartTime ?? (object)DBNull.Value);
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cmd.Parameters.AddWithValue("@EndTime", item.EndTime ?? (object)DBNull.Value);
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cmd.Parameters.AddWithValue("@UpdatedAt", DateTime.Now);
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return cmd.ExecuteNonQuery() > 0;
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}
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}
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catch (Exception ex)
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{
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throw new Exception($"更新 Classes 資料失敗：{ex.Message}", ex);
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}
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}
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/// <summary>
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/// 刪除一筆 Classes 資料
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/// </summary>
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public bool Delete(int id)
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{
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try
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{
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var conn = _dbService.GetConnection();
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string sql = "DELETE FROM Classes WHERE ID = @ID";
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using (SqliteCommand cmd = new SqliteCommand(sql, conn))
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{
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cmd.Parameters.AddWithValue("@ID", id);
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return cmd.ExecuteNonQuery() > 0;
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}
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}
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catch (Exception ex)
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{
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throw new Exception($"刪除 Classes 資料失敗：{ex.Message}", ex);
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}
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}
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/// <summary>
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/// 查詢所有 Classes 資料
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/// </summary>
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public List<LocalClassesItem> GetAll()
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{
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return Query("SELECT * FROM Classes ORDER BY ID");
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}
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/// <summary>
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/// 查詢單筆 Classes 資料
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/// </summary>
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public LocalClassesItem GetById(int id)
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{
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var result = Query($"SELECT * FROM Classes WHERE ID = {id}");
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return result.Count > 0 ? result[0] : null;
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}
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/// <summary>
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/// 條件查詢 Classes 資料（分頁）
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/// </summary>
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public List<LocalClassesItem> GetByCondition(int pageIndex, int pageSize, string courseName = "", string courseCode = "", DateTime? startDate = null, DateTime? endDate = null)
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{
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try
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{
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var conn = _dbService.GetConnection();
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string sql = "SELECT * FROM Classes WHERE 1=1";
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if (!string.IsNullOrWhiteSpace(courseCode))
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sql += " AND CourseCode LIKE '%' || @CourseCode || '%'";
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if (!string.IsNullOrWhiteSpace(courseName))
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sql += " AND CourseName LIKE '%' || @CourseName || '%'";
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if (startDate.HasValue && endDate.HasValue)
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sql += " AND CourseDate >= @StartDate AND CourseDate <= @EndDate";
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else if (startDate.HasValue)
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sql += " AND CourseDate >= @StartDate";
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else if (endDate.HasValue)
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sql += " AND CourseDate <= @EndDate";
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sql += " ORDER BY CourseDate DESC LIMIT @PageSize OFFSET @Offset";
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List<LocalClassesItem> result = new List<LocalClassesItem>();
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using (SqliteCommand cmd = new SqliteCommand(sql, conn))
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{
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if (!string.IsNullOrWhiteSpace(courseCode))
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cmd.Parameters.AddWithValue("@CourseCode", courseCode);
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if (!string.IsNullOrWhiteSpace(courseName))
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cmd.Parameters.AddWithValue("@CourseName", courseName);
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if (startDate.HasValue)
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cmd.Parameters.AddWithValue("@StartDate", startDate.Value);
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if (endDate.HasValue)
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cmd.Parameters.AddWithValue("@EndDate", endDate.Value);
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cmd.Parameters.AddWithValue("@PageSize", pageSize);
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cmd.Parameters.AddWithValue("@Offset", (pageIndex - 1) * pageSize);
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using (SqliteDataReader reader = cmd.ExecuteReader())
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{
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while (reader.Read())
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{
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result.Add(ReadClassesItem(reader));
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}
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}
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}
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return result;
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}
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catch (Exception ex)
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{
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throw new Exception($"查詢 Classes 資料失敗：{ex.Message}", ex);
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}
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}
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/// <summary>
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/// 查詢 Classes 資料總數
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/// </summary>
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public int GetCount(string courseName = "", string courseCode = "", DateTime? startDate = null, DateTime? endDate = null)
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{
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try
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{
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var conn = _dbService.GetConnection();
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string sql = "SELECT COUNT(*) FROM Classes WHERE 1=1";
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if (!string.IsNullOrWhiteSpace(courseCode))
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sql += " AND CourseCode LIKE '%' || @CourseCode || '%'";
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if (!string.IsNullOrWhiteSpace(courseName))
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sql += " AND CourseName LIKE '%' || @CourseName || '%'";
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if (startDate.HasValue && endDate.HasValue)
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sql += " AND CourseDate >= @StartDate AND CourseDate <= @EndDate";
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else if (startDate.HasValue)
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sql += " AND CourseDate >= @StartDate";
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else if (endDate.HasValue)
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sql += " AND CourseDate <= @EndDate";
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using (SqliteCommand cmd = new SqliteCommand(sql, conn))
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{
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if (!string.IsNullOrWhiteSpace(courseCode))
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cmd.Parameters.AddWithValue("@CourseCode", courseCode);
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if (!string.IsNullOrWhiteSpace(courseName))
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cmd.Parameters.AddWithValue("@CourseName", courseName);
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if (startDate.HasValue)
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cmd.Parameters.AddWithValue("@StartDate", startDate.Value);
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if (endDate.HasValue)
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cmd.Parameters.AddWithValue("@EndDate", endDate.Value);
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return Convert.ToInt32(cmd.ExecuteScalar());
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}
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}
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catch (Exception ex)
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{
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throw new Exception($"統計 Classes 資料失敗：{ex.Message}", ex);
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}
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}
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/// <summary>
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/// 清除所有 Classes 資料
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/// </summary>
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public void DeleteAll()
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{
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try
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{
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var conn = _dbService.GetConnection();
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using (SqliteCommand cmd = new SqliteCommand("DELETE FROM Classes", conn))
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{
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cmd.ExecuteNonQuery();
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}
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}
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catch (Exception ex)
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{
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throw new Exception($"清除 Classes 資料失敗：{ex.Message}", ex);
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}
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}
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/// <summary>
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/// 私用方法 - 執行查詢
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/// </summary>
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private List<LocalClassesItem> Query(string sql)
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{
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try
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{
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var conn = _dbService.GetConnection();
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List<LocalClassesItem> result = new List<LocalClassesItem>();
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using (SqliteCommand cmd = new SqliteCommand(sql, conn))
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{
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using (SqliteDataReader reader = cmd.ExecuteReader())
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{
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while (reader.Read())
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{
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result.Add(ReadClassesItem(reader));
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}
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}
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}
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return result;
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}
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catch (Exception ex)
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{
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throw new Exception($"查詢 Classes 失敗：{ex.Message}", ex);
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}
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}
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/// <summary>
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/// 私用方法 - 讀取資料列
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/// </summary>
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private LocalClassesItem ReadClassesItem(SqliteDataReader reader)
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{
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return new LocalClassesItem
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{
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ID = reader.GetInt32(reader.GetOrdinal("ID")),
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CourseCode = reader.IsDBNull(reader.GetOrdinal("CourseCode")) ? null : reader.GetString(reader.GetOrdinal("CourseCode")),
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CourseName = reader.IsDBNull(reader.GetOrdinal("CourseName")) ? null : reader.GetString(reader.GetOrdinal("CourseName")),
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CourseDate = reader.IsDBNull(reader.GetOrdinal("CourseDate")) ? null : reader.GetString(reader.GetOrdinal("CourseDate")),
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CourseLocation = reader.IsDBNull(reader.GetOrdinal("CourseLocation")) ? null : reader.GetString(reader.GetOrdinal("CourseLocation")),
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NotificationTemplate = reader.IsDBNull(reader.GetOrdinal("NotificationTemplate")) ? null : reader.GetString(reader.GetOrdinal("NotificationTemplate")),
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AgreedTerms = reader.IsDBNull(reader.GetOrdinal("AgreedTerms")) ? null : reader.GetString(reader.GetOrdinal("AgreedTerms")),
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StartTime = reader.IsDBNull(reader.GetOrdinal("StartTime")) ? null : reader.GetString(reader.GetOrdinal("StartTime")),
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EndTime = reader.IsDBNull(reader.GetOrdinal("EndTime")) ? null : reader.GetString(reader.GetOrdinal("EndTime")),
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CreatedAt = reader.GetDateTime(reader.GetOrdinal("CreatedAt")),
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UpdatedAt = reader.GetDateTime(reader.GetOrdinal("UpdatedAt"))
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};
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}
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}
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}
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