139 lines
4.2 KiB
C#
139 lines
4.2 KiB
C#
//
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// EstimToPdfFormatter.cs
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//
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// Author:
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// Paul Schneider <paulschneider@free.fr>
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//
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// Copyright (c) 2014 Paul Schneider
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#if MicrosoftAspNetMvc
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Web;
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using System.Web.Profile;
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using Yavsc.Model.RolesAndMembers;
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using Yavsc.Model.WorkFlow;
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using System.Net.Http.Formatting;
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using System.Net.Http.Headers;
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namespace Yavsc.Formatters
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{
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/// <summary>
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/// Estim to pdf formatter.
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/// </summary>
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public class EstimToPdfFormatter: BufferedMediaTypeFormatter
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="Yavsc.Formatters.EstimToPdfFormatter"/> class.
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/// </summary>
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public EstimToPdfFormatter ()
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{
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SupportedMediaTypes.Add(new MediaTypeHeaderValue("text/pdf"));
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}
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/// <summary>
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/// Determines whether this instance can read type the specified type.
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/// </summary>
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/// <returns><c>true</c> if this instance can read type the specified type; otherwise, <c>false</c>.</returns>
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/// <param name="type">Type.</param>
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public override bool CanReadType(Type type)
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{
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return false;
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}
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/// <summary>
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/// Determines whether this instance can write type the specified type.
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/// </summary>
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/// <returns><c>true</c> if this instance can write type the specified type; otherwise, <c>false</c>.</returns>
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/// <param name="type">Type.</param>
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public override bool CanWriteType(System.Type type)
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{
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if (type == typeof(Estimate))
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{
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return true;
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}
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else
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{
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Type enumerableType = typeof(IEnumerable<Estimate>);
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return enumerableType.IsAssignableFrom(type);
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}
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}
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public override void WriteToStream (Type type, object value, Stream writeStream, System.Net.Http.HttpContent content)
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{
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// TODO create a type containing generation parameters, including a template path, and generate from them
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Yavsc.templates.Estim tmpe = new Yavsc.templates.Estim();
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tmpe.Session = new Dictionary<string,object>();
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Estimate e = value as Estimate;
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tmpe.Session.Add ("estim", e);
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Profile prpro = new Profile (ProfileBase.Create (e.Responsible));
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var pbc = ProfileBase.Create (e.Client);
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Profile prcli = new Profile (pbc);
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if (!prpro.HasBankAccount || !prcli.IsBillable)
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throw new Exception("account number for provider, or client not billable.");
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tmpe.Session.Add ("from", prpro);
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tmpe.Session.Add ("to", prcli);
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tmpe.Init ();
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string contentStr = tmpe.TransformText ();
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string name = string.Format ("tmpestimtex-{0}", e.Id);
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string fullname = Path.Combine (
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HttpRuntime.CodegenDir, name);
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FileInfo fi = new FileInfo(fullname + ".tex");
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FileInfo fo = new FileInfo(fullname + ".pdf");
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using (StreamWriter sw = new StreamWriter (fi.FullName))
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{
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sw.Write (contentStr);
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}
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using (Process p = new Process ()) {
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p.StartInfo.WorkingDirectory = HttpRuntime.CodegenDir;
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p.StartInfo = new ProcessStartInfo ();
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p.StartInfo.UseShellExecute = false;
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p.StartInfo.FileName = "/usr/bin/texi2pdf";
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p.StartInfo.Arguments =
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string.Format ("--batch --build-dir={2} -o {0} {1}",
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fo.FullName,
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fi.FullName,HttpRuntime.CodegenDir);
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p.Start ();
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p.WaitForExit ();
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if (p.ExitCode != 0)
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throw new Exception ("Pdf generation failed with exit code:" + p.ExitCode);
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}
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using (StreamReader sr = new StreamReader (fo.FullName)) {
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byte[] buffer = File.ReadAllBytes (fo.FullName);
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writeStream.Write(buffer,0,buffer.Length);
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}
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fi.Delete();
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fo.Delete();
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}
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}
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}
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#endif
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