Initial import
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Paul Schneider
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237
NpgsqlMRPProviders/NpgsqlProfileProvider.cs
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237
NpgsqlMRPProviders/NpgsqlProfileProvider.cs
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using System;
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using System.Configuration;
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using System.Web.Profile;
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using Npgsql;
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namespace Npgsql.Web
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{
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public class NpgsqlProfileProvider: ProfileProvider
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{
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private string connectionString;
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private string applicationName;
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public NpgsqlProfileProvider ()
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{
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}
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public override void Initialize (string iname, System.Collections.Specialized.NameValueCollection config)
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{
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// get the
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// - application name
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// - connection string name
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// - the connection string from its name
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string cnxName = config ["connectionStringName"];
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connectionString = ConfigurationManager.ConnectionStrings [cnxName].ConnectionString;
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config.Remove ("connectionStringName");
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applicationName = config ["applicationName"];
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config.Remove ("applicationName");
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base.Initialize (iname, config);
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}
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#region implemented abstract members of System.Web.Profile.ProfileProvider
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public override int DeleteInactiveProfiles (ProfileAuthenticationOption authenticationOption, DateTime userInactiveSinceDate)
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{
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throw new System.NotImplementedException ();
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}
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public override int DeleteProfiles (string[] usernames)
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{
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throw new System.NotImplementedException ();
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}
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public override int DeleteProfiles (ProfileInfoCollection profiles)
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{
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throw new System.NotImplementedException ();
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}
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public override ProfileInfoCollection FindInactiveProfilesByUserName (ProfileAuthenticationOption authenticationOption, string usernameToMatch, DateTime userInactiveSinceDate, int pageIndex, int pageSize, out int totalRecords)
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{
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throw new System.NotImplementedException ();
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}
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public override ProfileInfoCollection FindProfilesByUserName (ProfileAuthenticationOption authenticationOption, string usernameToMatch, int pageIndex, int pageSize, out int totalRecords)
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{
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if (pageIndex < 0)
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throw new ArgumentException ("pageIndex");
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if (pageSize < 1)
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throw new ArgumentException ("pageSize");
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long lowerBound = (long)pageIndex * pageSize;
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long upperBound = lowerBound + pageSize - 1;
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if (upperBound > Int32.MaxValue)
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throw new ArgumentException ("lowerBound + pageSize*pageIndex -1 > Int32.MaxValue");
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ProfileInfoCollection c = new ProfileInfoCollection ();
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totalRecords = 0;
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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 username, uniqueid, lastactivitydate, lastupdateddate, isanonymous from profiles where username like @username and applicationname = @appname";
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cmd.Parameters.Add ("@username", usernameToMatch);
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cmd.Parameters.Add ("@appname", applicationName);
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cnx.Open ();
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using (NpgsqlDataReader r = cmd.ExecuteReader ()) {
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if (r.HasRows) {
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while (r.Read ()) {
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if (totalRecords >= lowerBound && totalRecords <= upperBound) {
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object o = r.GetValue (r.GetOrdinal ("isanonymous"));
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bool isanon = o is DBNull ? true : (bool) o;
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o = r.GetValue (r.GetOrdinal ("lastactivitydate"));
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DateTime lact = o is DBNull ? new DateTime() : (DateTime) o;
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o = r.GetValue (r.GetOrdinal ("lastupdateddate"));
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DateTime lupd = o is DBNull ? new DateTime() : (DateTime) o;
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ProfileInfo pi =
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new ProfileInfo (
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r.GetString (r.GetOrdinal ("username")),
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isanon,
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lact,
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lupd,
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0);
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c.Add (pi);
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totalRecords++;
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}
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}
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}
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}
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}
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}
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return c;
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}
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public override ProfileInfoCollection GetAllInactiveProfiles (ProfileAuthenticationOption authenticationOption, DateTime userInactiveSinceDate, int pageIndex, int pageSize, out int totalRecords)
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{
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throw new System.NotImplementedException ();
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}
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public override ProfileInfoCollection GetAllProfiles (ProfileAuthenticationOption authenticationOption, int pageIndex, int pageSize, out int totalRecords)
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{
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throw new System.NotImplementedException ();
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}
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public override int GetNumberOfInactiveProfiles (ProfileAuthenticationOption authenticationOption, DateTime userInactiveSinceDate)
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{
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throw new System.NotImplementedException ();
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}
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#endregion
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#region implemented abstract members of System.Configuration.SettingsProvider
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public override SettingsPropertyValueCollection GetPropertyValues (SettingsContext context, SettingsPropertyCollection collection)
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{
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SettingsPropertyValueCollection c = new SettingsPropertyValueCollection ();
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if (collection == null || collection.Count < 1 || context == null)
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return c;
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string username = (string)context ["UserName"];
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if (String.IsNullOrEmpty (username))
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return c;
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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 * from profiledata,profiles where " +
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"profiledata.uniqueid = profiles.uniqueid " +
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"and profiles.username = @username " +
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"and profiles.applicationname = @appname";
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cmd.Parameters.Add ("@username", username);
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cmd.Parameters.Add ("@appname", applicationName);
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cnx.Open ();
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using (NpgsqlDataReader r = cmd.ExecuteReader (
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System.Data.CommandBehavior.CloseConnection | System.Data.CommandBehavior.SingleRow)) {
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if (r.Read ()) {
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foreach (SettingsProperty p in collection) {
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SettingsPropertyValue v = new SettingsPropertyValue (p);
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int o = r.GetOrdinal (p.Name.ToLower ());
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v.PropertyValue = r.GetValue (o);
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c.Add (v);
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}
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} else {
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foreach (SettingsProperty p in collection) {
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SettingsPropertyValue v = new SettingsPropertyValue (p);
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v.PropertyValue = null;
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c.Add (v);
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}
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}
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}
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}
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return c;
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}
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public override void SetPropertyValues (SettingsContext context, SettingsPropertyValueCollection collection)
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{
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// get the unique id of the profile
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if (collection == null)
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return;
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long puid = 0;
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string username = (string)context ["UserName"];
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using (NpgsqlConnection cnx = new NpgsqlConnection (connectionString)) {
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cnx.Open ();
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using (NpgsqlCommand cmdpi = cnx.CreateCommand ()) {
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cmdpi.CommandText = "select count(uniqueid) " +
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"from profiles where username = @username " +
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"and applicationname = @appname";
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cmdpi.Parameters.Add ("@username", username);
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cmdpi.Parameters.Add ("@appname", applicationName);
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long c = (long)cmdpi.ExecuteScalar ();
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if (c == 0) {
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cmdpi.CommandText = "insert into profiles (username,applicationname) " +
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"values ( @username, @appname ) " +
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"returning uniqueid";
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puid = (long)cmdpi.ExecuteScalar ();
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// TODO spec: profiledata insertion <=> profile insertion
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// => BAD DESIGN
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//
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using (NpgsqlCommand cmdpdins = cnx.CreateCommand ()) {
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cmdpdins.CommandText = "insert into profiledata (uniqueid) values (@puid)";
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cmdpdins.Parameters.Add ("@puid", puid);
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cmdpdins.ExecuteNonQuery ();
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}
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} else {
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cmdpi.CommandText = "select uniqueid from profiles where username = @username " +
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"and applicationname = @appname";
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puid = (long)cmdpi.ExecuteScalar ();
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}
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}
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foreach (SettingsPropertyValue s in collection) {
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if (s.UsingDefaultValue) {
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//TODO Drop the property in the profile
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} else {
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// update the property value
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// TODO update to null values (included to avoid Not Implemented columns in profiledata
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if (s.PropertyValue != null) {
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using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
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cmd.CommandText = string.Format (
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"update profiledata " +
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"set {0} = @val " +
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"where uniqueid = @puid ",
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s.Name
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);
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cmd.Parameters.Add ("@puid", puid);
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cmd.Parameters.Add ("@val", s.PropertyValue);
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cmd.ExecuteNonQuery ();
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}
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}
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}
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}
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}
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}
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public override string ApplicationName {
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get {
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return applicationName;
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}
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set {
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applicationName = value;
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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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