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// download - the admin console and reports
// Copyright (C) 2024 Ian Cowburn <ianc@noddybox.co.uk>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Npgsql;
using System.Collections.Generic;
using download_admin;
using Microsoft.AspNetCore.Http.HttpResults;
using System.Text;
using System.Text.Encodings;
namespace download_admin.Pages;
public class ReportModel : PageModel
{
public void OnGet()
{
ViewData["Title"] = "Download Repsoitory Report";
GetData();
}
public IActionResult OnPost()
{
GetData();
StringBuilder str = new StringBuilder();
foreach (var row in Rows)
{
str.AppendFormat("{0},{1}", row.Time.ToString("o", System.Globalization.CultureInfo.InvariantCulture), row.Key);
foreach (var s in row.Info)
{
str.AppendFormat(",{0}", s);
}
str.AppendLine();
}
byte[] file_data = UTF8Encoding.UTF8.GetBytes(str.ToString());
return File(file_data, "text/csv","downloads.csv");
}
private void GetData()
{
try
{
Rows = new List<Download>();
using var conn = new NpgsqlConnection(Config.Settings["ConnectionStrings:download"]);
conn.Open();
using var cmd = new NpgsqlCommand("SELECT key, info, time FROM download ORDER BY time", conn);
using var reader = cmd.ExecuteReader();
while(reader.Read())
{
string key = (string)reader["key"];
string[] info = (string[])reader["info"];
DateTime time = (DateTime)reader["time"];
Rows.Add(new Download(key, info, time));
}
}
catch(Exception e)
{
SetError(e.Message);
}
}
private void SetError(string error_text)
{
HasError = true;
ErrorText = error_text;
}
public List<string> Keys
{
get
{
var keys = new List<String>();
try
{
using var conn = new NpgsqlConnection(Config.Settings["ConnectionStrings:download"]);
conn.Open();
using var cmd = new NpgsqlCommand("SELECT key FROM file_object ORDER BY key", conn);
using var reader = cmd.ExecuteReader();
while(reader.Read())
{
string key = (string)reader["key"];
keys.Add(key);
}
}
catch(Exception e)
{
SetError(e.Message);
}
return keys;
}
}
public long GetCount(string key)
{
try
{
using var conn = new NpgsqlConnection(Config.Settings["ConnectionStrings:download"]);
conn.Open();
using var cmd = new NpgsqlCommand("SELECT count(*) FROM download where key = @key", conn);
cmd.Parameters.AddWithValue("key", NpgsqlTypes.NpgsqlDbType.Varchar, key);
object? scalar = cmd.ExecuteScalar();
if (scalar != null)
{
return (long)scalar;
}
}
catch(Exception e)
{
SetError(e.Message);
}
return 0;
}
public List<Download>? Rows {get;private set;}
public bool HasError {get; private set;}
public string? ErrorText {get; private set;}
}
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