104 lines
3.0 KiB
C#
104 lines
3.0 KiB
C#
//
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// NpgsqlTagInfo.cs
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//
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// Author:
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// Paul Schneider <paul@pschneider.fr>
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//
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// Copyright (c) 2015 GNU GPL
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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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using System;
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using Yavsc.Model.Blogs;
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using System.Collections.Generic;
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namespace Npgsql.Web.Blog
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{
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/// <summary>
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/// Npgsql tag info.
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/// </summary>
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public class NpgsqlTagInfo: TagInfo
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="Npgsql.Web.Blog.NpgsqlTagInfo"/> class.
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/// </summary>
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/// <param name="connectionString">Connection string.</param>
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/// <param name="tagname">Tagname.</param>
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public NpgsqlTagInfo (string connectionString, string tagname): base(tagname)
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{
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titles = new List<BasePostInfo>();
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using (NpgsqlConnection cnx = new NpgsqlConnection (connectionString))
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using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
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cmd.CommandText =
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"SELECT \n" +
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" blog.username, \n" +
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" blog.posted, \n" +
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" blog.modified, \n" +
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" blog.title, \n" +
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" blog.bcontent, \n" +
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" blog.visible, \n" +
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" blog._id, \n" +
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" blog.photo, \n" +
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" tag.name\n" +
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"FROM \n" +
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" public.blog, \n" +
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" public.tagged, \n" +
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" public.tag\n" +
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"WHERE \n" +
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" tagged.postid = blog._id AND \n" +
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" tag._id = tagged.tagid AND \n" +
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" public.tag.name = :name";
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cmd.Parameters.AddWithValue ("name", tagname);
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cnx.Open ();
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using (NpgsqlDataReader rdr = cmd.ExecuteReader ()) {
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while (rdr.Read ()) {
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bool truncated;
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int oph = rdr.GetOrdinal ("photo");
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string photo = null;
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if (!rdr.IsDBNull (oph))
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photo = rdr.GetString (oph);
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var pi = new BasePostInfo {
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Title = rdr.GetString(3),
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Author = rdr.GetString (0),
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Id = rdr.GetInt64 (6),
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Intro = MarkdownHelper.MarkdownIntro (
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rdr.GetString (4),
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out truncated),
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Visible = rdr.GetBoolean(5),
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Photo = photo,
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Modified = rdr.GetDateTime(2),
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Posted = rdr.GetDateTime(1)
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};
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titles.Add (pi);
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}
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}
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}
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}
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List<BasePostInfo> titles;
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#region implemented abstract members of TagInfo
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/// <summary>
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/// Gets the titles.
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/// </summary>
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/// <value>The titles.</value>
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public override System.Collections.Generic.IEnumerable<BasePostInfo> Titles {
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get {
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return titles;
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}
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}
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#endregion
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}
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}
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