82 lines
3.2 KiB
C#
82 lines
3.2 KiB
C#
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using System;
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using System.Collections.Generic;
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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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using System.IO;
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using System.Diagnostics.Contracts;
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namespace NavScm.NavInterface
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{
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/// <summary>
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/// Interfaces to the NAV IDE command line interface to export / import objects.
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/// </summary>
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/// <remarks>
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/// <para>The interface is based on the powershell snippets delivered with NAV.
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/// Note, that the devenv does not give any return values. Instead, errors can only
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/// be detected by the existance of the log file, which is created only upon errors.</para>
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/// <para>Currently, the interface expects to be able to access the database using
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/// NTLM Single Sign on. SQL user/pass authentication is not supported.</para>
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/// </remarks>
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class DevEnvInterface
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{
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private static readonly log4net.ILog log = log4net.LogManager.GetLogger(typeof(DevEnvInterface));
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/// <summary>
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/// Path to the dev env executable.
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/// </summary>
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protected string DevEnvPath { get; private set; }
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/// <summary>
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/// Hostname of the database server.
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/// </summary>
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protected string DatabaseServer { get; private set; }
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/// <summary>
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/// Name of the database itself.
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/// </summary>
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protected string DatabaseName { get; private set; }
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/// <summary>
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/// Create an interface class to a given NAV developer environment.
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/// </summary>
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/// <param name="devEnvPath">Full path and name to finsql.exe (or however you call it).</param>
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public DevEnvInterface(string devEnvPath, string databaseServer, string databaseName)
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{
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Contract.Requires(devEnvPath != "");
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Contract.Requires(databaseServer != "");
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Contract.Requires(databaseName != "");
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Contract.Ensures(File.Exists(DevEnvPath));
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Contract.Ensures(databaseName == DatabaseName);
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Contract.Ensures(databaseServer == DatabaseServer);
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Contract.Ensures(devEnvPath == DevEnvPath);
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DevEnvPath = devEnvPath;
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if (!File.Exists(DevEnvPath))
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throw new InvalidOperationException($"The file {DevEnvPath} was not found.");
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DatabaseServer = databaseServer;
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DatabaseName = databaseName;
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if (log.IsDebugEnabled)
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{
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log.Debug($"Constructed and attached to DevEnv {DevEnvPath}");
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log.Debug($"Using database [{DatabaseName}] on server {DatabaseServer}");
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}
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}
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/// <summary>
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/// Exports a given NAV object to disk.
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/// </summary>
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/// <param name="obj">The NAV object as taken from the SQL database or from the cache (doesn't matter).</param>
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/// <param name="destinationFileName">The name of the destination file. The system ensures, that the file
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/// ends with .txt, as finsql.exe deduces the export format from the destiation files extension (crap).</param>
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public void Export(NavObject obj, string destinationFileName)
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{
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Contract.Requires(obj != null);
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Contract.Requires(destinationFileName != "");
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}
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}
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}
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