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//
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// NpgsqlCircleProvider.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 System.Collections.Generic;
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using System.Collections.Specialized;
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using System.Configuration;
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using System.Web.Mvc;
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using System.Web.Security;
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using Npgsql;
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using NpgsqlTypes;
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using Yavsc.Model;
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using Yavsc.Model.Circles;
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namespace WorkFlowProvider
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{
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/// <summary>
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/// Npgsql circle provider.
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/// </summary>
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public class NpgsqlCircleProvider : CircleProvider
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{
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#region implemented abstract members of CircleProvider
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/// <summary>
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/// Updates the circle.
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/// </summary>
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/// <param name="c">C.</param>
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public override void UpdateCircle (CircleBase c)
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{
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using (NpgsqlConnection cnx = new NpgsqlConnection (connectionString)) {
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cnx.Open ();
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using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
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cmd.CommandText = "update circle " +
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"set title = :title " +
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"where _id = :cid ";
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cmd.Parameters.AddWithValue ("title", c.Title);
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cmd.Parameters.AddWithValue ("cid", c.Id);
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cmd.ExecuteNonQuery ();
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}
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cnx.Close ();
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}
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}
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/// <summary>
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/// Get the specified circle by id, including all of its members.
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/// </summary>
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/// <param name="id">Identifier.</param>
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/// <returns>The members.</returns>
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public override Circle GetMembers (long id)
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{
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Circle circ = null;
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using (NpgsqlConnection cnx = new NpgsqlConnection (connectionString)) {
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cnx.Open ();
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using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
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cmd.CommandText = "select title, owner, public from circle where _id = :cid";
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cmd.Parameters.AddWithValue ("cid", id);
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using (NpgsqlDataReader dr = cmd.ExecuteReader ()) {
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if (dr.Read ()) {
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circ = new Circle ();
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circ.Id = id;
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circ.Title = dr.GetString (
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dr.GetOrdinal ("title"));
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circ.Owner = dr.GetString (
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dr.GetOrdinal ("owner"));
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}
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dr.Close ();
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}
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}
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if (circ != null) {
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using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
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cmd.CommandText = "select member from circle_members where circle_id = :cid";
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cmd.Parameters.AddWithValue ("cid", NpgsqlTypes.NpgsqlDbType.Bigint, id);
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cmd.Prepare ();
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List<string> members = new List<string> ();
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using (NpgsqlDataReader dr = cmd.ExecuteReader ()) {
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while (dr.Read ())
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members.Add (dr.GetString (0));
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dr.Close ();
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circ.Members = members.ToArray ();
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}
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}
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}
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cnx.Close ();
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}
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return circ;
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}
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/// <summary>
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/// Gets the identifier.
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/// </summary>
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/// <returns>The identifier.</returns>
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/// <param name="circle">Circle.</param>
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/// <param name="username">Username.</param>
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public override long GetId (string circle, string username)
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{
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long cid = 0;
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using (NpgsqlConnection cnx = new NpgsqlConnection (connectionString)) {
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cnx.Open ();
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using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
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cmd.CommandText = "select _id from circle where " +
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"owner = :uname " +
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"and title = :title " +
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"and applicationname = :appname";
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cmd.Parameters.AddWithValue ("uname", username);
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cmd.Parameters.AddWithValue ("title", circle);
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cmd.Parameters.AddWithValue ("appname", applicationName);
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cid = (long)cmd.ExecuteScalar ();
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}
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cnx.Close ();
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}
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return cid;
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}
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/// <summary>
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/// Removes the membership.
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/// </summary>
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/// <param name="circle_id">Circle identifier.</param>
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/// <param name="member">Member.</param>
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public override void RemoveMembership (long circle_id, string member)
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{
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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 = "delete from circle_members where circle_id = :cid and username = :uname";
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cmd.Parameters.AddWithValue ("cid", circle_id);
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cmd.Parameters.AddWithValue ("uname", member);
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cnx.Open ();
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cmd.ExecuteNonQuery ();
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cnx.Close ();
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}
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}
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/// <summary>
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/// Removes the member from all current user circles.
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/// </summary>
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/// <param name="member">Member.</param>
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public override void RemoveMember (string member)
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{
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throw new NotImplementedException ();
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}
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#endregion
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/// <summary>
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/// Initializes a new instance of the <see cref="WorkFlowProvider.NpgsqlCircleProvider"/> class.
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/// </summary>
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public NpgsqlCircleProvider ()
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{
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}
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#region implemented abstract members of CircleProvider
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/// <summary>
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/// Returns circles from owner.
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/// </summary>
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/// <param name="circle_ids">Circle identifiers.</param>
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/// <param name="member">Member name.</param>
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public override bool Matches (long[] circle_ids, string member)
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{
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bool result = false;
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using (NpgsqlConnection cnx = new NpgsqlConnection (connectionString))
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using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
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* bg.gif:
* asc.gif:
* desc.gif:
* style.css: moved to App_Themes
* style.css:
* bg.gif:
* asc.gif:
* bg.png:
* rect.png:
* asc.png:
* desc.gif:
* jquery-ui.css:
* mdd_styles.css:
* croix.png:
* desc.png:
* style.css:
* jquery-ui.min.css:
* mdd_gripper.png:
* mdd_toolbar.png:
* jquery.timepicker.css:
* mdd_ajax_loader.gif:
* mdd_modal_background.png: moved to /App_Themes
* NpgsqlBlogProvider.cs: * Remove post by id
* Manage collections of entries on a couple (user,title), not a single
post
* NpgsqlCircleProvider.cs: Fixes the "Match" method.
* IDbModule.cs:
* Edit.aspx:
* Estimates.aspx:
* WorkFlowManager.cs:
* NpgsqlContentProvider.cs: refactoring
* NpgsqlMRPProviders.csproj: new NpgsqlUserName provider
* NpgsqlRoleProvider.cs: simpler init method
* NpgsqlUserNameProvider.cs: impements a UserNameProvider
* MyClass.cs: refactoring from Yavsc.Model
* BlogsController.cs: access control simplified
* FrontOfficeController.cs: Pdf generation made public ni case of
formatting exception
* mdd_styles.css: Theme -> App_Themes
* style.css: yet another style impact
* AccountController.cs: Fixes the user name modification
* BlogsController.cs: * Fixes the removal process
* On a title and user name, we get collection of posts, not only one.
* Implements an Access on circle
* FrontOfficeController.cs: * implements a new Get method.
* ensure a membership existence before delivering an estimate.
* GoogleController.cs: Fixes the user name modification on a Google
account
* ErrorHtmlFormatter.cs: nice error message in html (using Markdown
helper)
* FormatterException.cs: formatter exception exposes error and
standard output of the process
* TexToPdfFormatter.cs: * generates temporary files in the folder
returned by Path.GetTempPath()
* throws FormatterException
* Global.asax.cs: new route map:
Blogs/{action}/{user}/{title}
Blog/{user}/{title}
B/{id}
{controller}/{action}/{id}
* App.master: * refactoring: Theme moved to App_Themes
* a link to the logged user's blog
*
* NoLogin.master: refactoring: Theme moved to App_Themes
* Circles.aspx: refactoring : circles now are given as select items
* Login.aspx: fixes the html presentation
* Register.aspx: Fixes a Typo
* Index.aspx: Implements a blog index, due to M&C changes with this
commit
* RemovePost.aspx: links to the new route to the "RemovePost" action,
giving it a post id
* RemoveTitle.aspx: fixes a not yet linked page to remove a post
collection under a given title
* EventPub.aspx: code refactoring
* Writting.ascx: cleans the code
* Web.config: fills the config with new names in the space
* Web.config: configures the new NpgsqlUserNameProvider
* Web.csproj: refactoring and others
* BlogEntryCollection.cs: implement the BlogEntryCollection
* BlogManager.cs: the manager helps to filter on access
* BlogProvider.cs: The title is not unique anymore, and one can modify
it, post a lot under it, drop all posts under it.
A Post is deleted by id.
* UUBlogEntryCollection.cs: implements a collection of post under a
given user name.
* UUTBlogEntryCollection.cs: implements a collection of post under a
given couple (user name, title).
* ListItem.cs: ListItem is declared obsolete in this model, helpers
can build MVC SelectListItem on data returned by the manager.
* LocalizedText.Designer.cs:
* LocalizedText.fr.Designer.cs: autogenerated from xml
* LocalizedText.resx:
* LocalizedText.fr.resx: new labels
* ChangeUserNameProvider.cs: xml doc
* Profile.cs: the UserName property is read only, and comes from
authentication, to change it, we set a Name and validate it agains
the "Profile" method
* UserManager.cs: simpler code a init time
* IContentProvider.cs: implements the new IDataProvider interface
* IDataProvider.cs: defines the new IDataProvider interface
* YavscModel.csproj: includes new classes
* UserPosts.aspx: adds a link to remove a post
* UserPost.aspx: now uses the new BlogEntryCollection object
9 years ago
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cmd.CommandText = "select count(*)>0 from circle_members where circle_id = :cid and member = :mbr";
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cmd.Parameters.Add ("cid", NpgsqlDbType.Bigint);
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cmd.Parameters.AddWithValue ("mbr", NpgsqlDbType.Varchar, member);
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cnx.Open ();
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cmd.Prepare ();
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foreach (long cid in circle_ids) {
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result = (bool)cmd.ExecuteScalar ();
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if (result)
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break;
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}
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cnx.Close ();
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}
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return result;
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}
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/// <summary>
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/// Add the specified user.
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/// </summary>
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/// <param name="id">circle Identifier.</param>
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/// <param name="username">User name.</param>
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public override void AddMember (long id, string username)
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{
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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 = "insert into circle_members (circle_id, member) values (:cid,:uname)";
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cmd.Parameters.AddWithValue ("cid", id);
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cmd.Parameters.AddWithValue ("uname", username);
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cnx.Open ();
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cmd.ExecuteNonQuery ();
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cnx.Close ();
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}
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}
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/// <summary>
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/// Get the specified circle by id.
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/// </summary>
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/// <param name="id">Identifier.</param>
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public override CircleBase Get (long id)
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{
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CircleBase circ = null;
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using (NpgsqlConnection cnx = new NpgsqlConnection (connectionString)) {
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cnx.Open ();
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using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
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cmd.CommandText = "select title, owner from circle where _id = :cid";
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cmd.Parameters.AddWithValue ("cid", id);
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using (NpgsqlDataReader rdr = cmd.ExecuteReader ()) {
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if (rdr.Read ()) {
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circ = new CircleBase ();
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circ.Id = id;
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circ.Owner = rdr.GetString (1);
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circ.Title = rdr.GetString (0);
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}
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}
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}
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cnx.Close ();
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}
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return circ;
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}
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/// <summary>
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/// Add the specified owner, title and users.
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/// </summary>
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/// <param name="owner">Owner.</param>
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/// <param name="title">Title.</param>
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/// <param name="users">Users.</param>
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public override long Create (string owner, string title, string[] users)
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{
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long id = 0;
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using (NpgsqlConnection cnx = new NpgsqlConnection (connectionString)) {
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cnx.Open ();
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using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
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cmd.CommandText = "insert into circle (owner,title,applicationname,public) values (:wnr,:tit,:app,FALSE) returning _id";
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cmd.Parameters.AddWithValue ("wnr", owner);
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cmd.Parameters.AddWithValue ("tit", title);
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cmd.Parameters.AddWithValue ("app", applicationName);
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id = (long)cmd.ExecuteScalar ();
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}
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using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
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cmd.CommandText = "insert into circle_members (circle_id,member) values (@cid,@mbr)";
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cmd.Parameters.AddWithValue ("cid", NpgsqlDbType.Bigint , id);
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cmd.Parameters.Add ("mbr", NpgsqlDbType.Varchar);
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cmd.Prepare ();
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if (users != null)
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foreach (string user in users) {
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cmd.Parameters [1].Value = user;
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cmd.ExecuteNonQuery ();
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}
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}
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cnx.Close ();
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}
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return id;
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}
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/// <summary>
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/// Delete the specified title.
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/// </summary>
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/// <param name="id">Identifier.</param>
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public override void Delete (long id)
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{
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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 = "delete from circle where _id = @cid";
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cmd.Parameters.AddWithValue ("cid", id);
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cnx.Open ();
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cmd.ExecuteNonQuery ();
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cnx.Close ();
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}
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}
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/// <summary>
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/// List user's circles.
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/// </summary>
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/// <param name="user">User.</param>
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public override IEnumerable<CircleBase> List (string user)
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{
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List<CircleBase> cc = new List<CircleBase> ();
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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 = "select _id, title from circle where owner = :wnr";
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cmd.Parameters.AddWithValue ("wnr",user);
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cnx.Open ();
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using (NpgsqlDataReader rdr = cmd.ExecuteReader ()) {
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if (rdr.HasRows) {
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while (rdr.Read ()) {
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CircleBase cb = new CircleBase ();
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cb.Id = rdr.GetInt64 (0);
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cb.Title = rdr.GetString (1);
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cb.Owner = user;
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cc.Add (cb);
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}
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}
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rdr.Close ();
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}
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}
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cnx.Close ();
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}
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return cc;
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}
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#endregion
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|
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string connectionString = null;
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|
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string applicationName = null;
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/// <summary>
|
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|
|
|
/// Initialize this object using the specified name and config.
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|
|
/// </summary>
|
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|
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/// <param name="name">Name.</param>
|
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|
|
/// <param name="config">Config.</param>
|
|
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|
|
public override void Initialize (string name, NameValueCollection config)
|
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|
|
|
{
|
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|
|
|
if (string.IsNullOrWhiteSpace (config ["connectionStringName"]))
|
|
|
|
|
throw new ConfigurationErrorsException ("No name for Npgsql connection string found");
|
|
|
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|
|
connectionString = ConfigurationManager.ConnectionStrings [config ["connectionStringName"]].ConnectionString;
|
|
|
|
|
applicationName = config ["applicationName"] ?? "/";
|
|
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|
|
}
|
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|
|
}
|
|
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|
|
}
|
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