Test plan incomplete, basic compaints support
This commit is contained in:
Dimitar Byalkov
192
StudentHouseDashboard/Data/ComplaintRepository.cs
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192
StudentHouseDashboard/Data/ComplaintRepository.cs
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using Logic;
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using Logic.Exceptions;
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using Models;
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using System;
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using System.Collections.Generic;
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using System.Data.SqlClient;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Data
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{
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public class ComplaintRepository : IComplaintRepository
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{
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public ComplaintRepository()
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{
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}
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public List<Complaint> GetAllComplaints()
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{
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List<Complaint> complaints = new List<Complaint>();
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UserRepository userRepository = new UserRepository();
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using (SqlConnection conn = SqlConnectionHelper.CreateConnection())
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{
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string sql = "SELECT * FROM Complaints;";
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SqlCommand cmd = new SqlCommand(sql, conn);
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var reader = cmd.ExecuteReader();
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while (reader.Read())
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{
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Complaint complaint = new Complaint(Convert.ToInt32(reader["ID"]),
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userRepository.GetUserById(Convert.ToInt32(reader["Author"])),
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reader["Description"].ToString(), reader["Title"].ToString(),
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(DateTime)reader["PublishDate"], (ComplaintStatus)reader["Status"],
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(ComplaintSeverity)reader["Severity"]);
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CommentRepository commentRepository = new CommentRepository();
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complaint.Responses = commentRepository.GetAllCommentsOnComplaint(complaint.ID);
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// ID, Name, Password, Role
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complaints.Add(complaint);
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}
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conn.Close();
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}
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return complaints;
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}
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public Complaint GetComplaintById(int id)
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{
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UserRepository userRepository = new UserRepository();
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using (SqlConnection conn = SqlConnectionHelper.CreateConnection())
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{
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string sql = "SELECT * FROM Complaints WHERE ID = @id;";
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SqlCommand cmd = new SqlCommand(sql, conn);
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cmd.Parameters.AddWithValue("id", id);
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var reader = cmd.ExecuteReader();
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reader.Read();
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Complaint complaint = new Complaint(Convert.ToInt32(reader["ID"]),
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userRepository.GetUserById(Convert.ToInt32(reader["Author"])),
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reader["Description"].ToString(), reader["Title"].ToString(),
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(DateTime)reader["PublishDate"], (ComplaintStatus)reader["Status"],
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(ComplaintSeverity)reader["Severity"]);
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CommentRepository commentRepository = new CommentRepository();
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complaint.Responses = commentRepository.GetAllCommentsOnComplaint(complaint.ID);
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conn.Close();
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return complaint;
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}
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}
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public List<Complaint> GetComplaintsByPage(int userId, int p, int c)
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{
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List<Complaint> complaints = new List<Complaint>();
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UserRepository userRepository = new UserRepository();
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User user = userRepository.GetUserById(userId);
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string sql = "SELECT * FROM Complaints ORDER BY ID DESC OFFSET @start ROWS FETCH NEXT @count ROWS ONLY;";
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if (user.Role == UserRole.TENANT)
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{
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sql = $"SELECT * FROM Complaints WHERE Author = {userId} ORDER BY ID DESC OFFSET @start ROWS FETCH NEXT @count ROWS ONLY;";
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}
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if (c == null)
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{
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throw new DatabaseOperationException("Get complaints: Invalid item count");
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}
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if (p == null)
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{
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throw new DatabaseOperationException("Get complaints: Invalid page number");
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}
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using (SqlConnection conn = SqlConnectionHelper.CreateConnection())
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{
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SqlCommand sqlCommand = new SqlCommand(sql, conn);
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sqlCommand.Parameters.AddWithValue("@start", p * c);
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sqlCommand.Parameters.AddWithValue("@count", c);
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var reader = sqlCommand.ExecuteReader();
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while (reader.Read())
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{
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complaints.Add(new Complaint(Convert.ToInt32(reader["ID"]),
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userRepository.GetUserById(Convert.ToInt32(reader["Author"])),
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reader["Description"].ToString(), reader["Title"].ToString(),
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(DateTime)reader["PublishDate"], (ComplaintStatus)reader["Status"],
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(ComplaintSeverity)reader["Severity"]));
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}
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}
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return complaints;
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}
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public Complaint CreateComplaint(string title, string description, User author, DateTime publishDate, ComplaintStatus status, ComplaintSeverity severity)
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{
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using (SqlConnection conn = SqlConnectionHelper.CreateConnection())
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{
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string sql = "INSERT INTO Complaints (Author, Description, Title, PublishDate, Status, Severity) VALUES (@author, @desc, @title, @date, @status, @severity) " +
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"SELECT SCOPE_IDENTITY();";
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SqlCommand cmd = new SqlCommand(sql, conn);
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cmd.Parameters.AddWithValue("@author", author.ID);
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cmd.Parameters.AddWithValue("@desc", description);
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cmd.Parameters.AddWithValue("@title", title);
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cmd.Parameters.AddWithValue("@date", publishDate);
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cmd.Parameters.AddWithValue("@status", (int)status);
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cmd.Parameters.AddWithValue("@severity", (int)severity);
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int newId = Convert.ToInt32(cmd.ExecuteScalar());
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if (newId == 0)
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{
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throw new DatabaseOperationException("Database error: Complaint not created");
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}
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else
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{
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return GetComplaintById(newId);
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}
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}
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}
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public void UpdateComplaint(int id, string title, string description, ComplaintStatus status, ComplaintSeverity severity)
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{
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using (SqlConnection conn = SqlConnectionHelper.CreateConnection())
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{
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string sql = "UPDATE Complaints " +
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"SET Description = @desc, Title = @title, Status = @status, Severity = @severity " +
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"WHERE ID = @id " +
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"SELECT SCOPE_IDENTITY();";
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SqlCommand cmd = new SqlCommand(sql, conn);
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cmd.Parameters.AddWithValue("@id", id);
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cmd.Parameters.AddWithValue("@desc", description);
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cmd.Parameters.AddWithValue("@title", title);
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cmd.Parameters.AddWithValue("@status", (int)status);
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cmd.Parameters.AddWithValue("@severity", (int)severity);
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var writer = cmd.ExecuteNonQuery();
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if (writer == -1)
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{
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throw new DatabaseOperationException("Database error: Complaint not created");
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}
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}
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}
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public List<Complaint> SearchComplaint(string query)
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{
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if (string.IsNullOrEmpty(query))
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{
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throw new DatabaseOperationException("Search complaints error: Search query is empty");
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}
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List<Complaint> complaints = new List<Complaint>();
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UserRepository userRepository = new UserRepository();
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StringBuilder sql = new StringBuilder();
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sql.Append("SELECT * FROM Complaints ");
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string[] searchStrings = query.Split(' ');
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for (int i = 0; i < searchStrings.Length; i++)
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{
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if (i == 0)
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{
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sql.Append($"WHERE Title LIKE @query{i} OR Description LIKE @query{i} ");
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}
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else
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{
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sql.Append($"OR Title LIKE @query{i} OR Description LIKE @query{i} ");
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}
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}
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sql.Append(';');
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using (SqlConnection conn = SqlConnectionHelper.CreateConnection())
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{
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SqlCommand sqlCommand = new SqlCommand(sql.ToString(), conn);
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for (int i = 0; i < searchStrings.Length; i++)
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{
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sqlCommand.Parameters.AddWithValue($"@query{i}", $"%{searchStrings[i]}%");
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}
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var reader = sqlCommand.ExecuteReader();
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while (reader.Read())
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{
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complaints.Add(new Complaint(Convert.ToInt32(reader["ID"]),
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userRepository.GetUserById(Convert.ToInt32(reader["Author"])),
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reader["Description"].ToString(), reader["Title"].ToString(),
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(DateTime)reader["PublishDate"], (ComplaintStatus)reader["Status"],
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(ComplaintSeverity)reader["Severity"]));
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}
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}
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return complaints;
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}
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}
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}
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