trunk/GBPVRProgramDatabaseFixer/SQLLITE.cs

//#define SQLLITE_CONNECTION_TEST
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.SQLite;
using System.Diagnostics;
using Enterprise.Logging;

namespace GBPVRProgramDatabaseFixer
{
    internal class SQLLITE
    {
        #region DATABASE DEFINITIONS
        public interface IRECORDING_SCHEDULE
        {
            Int64 oid { get; }
            Int64 programme_oid { get; }
            Int64 capture_source_oid { get; }
            Int16 status { get; }
            String filename { get; }
            Int64 recording_type { get; }
            Int64 recording_group { get; }
            DateTime manual_start_time { get; }
            DateTime manual_end_time { get; }
            Int64 manual_channel_oid { get; }
            Int64 quality_level { get; }
            Int64 pre_pad_minutes { get; }
            Int64 post_pad_minutes { get;}
            Int32 priority { get; }
            String conversion_profile { get; }
        }

        private static class BaseDatabaseDefinition<T>
        {
            public static void CreateDefault(T instance)
            {
                try
                {
                    Type t = typeof(T);
                    var props = t.GetProperties();
                    foreach (var prop in props)
                    {
                        Type prop_type = prop.PropertyType;
                        object field_value = null;
                        try
                        {
                            if (prop_type == typeof(string))
                            {
                                field_value = string.Empty;
                            }
                            else
                            {
                                field_value = Activator.CreateInstance(prop_type);
                            }
                        }
                        catch (Exception ex)
                        {
                            throw ex;
                        }
                        prop.SetValue(instance, field_value, null);
                    }
                }
                catch (Exception ex)
                {
                    throw ex;
                }
            }
            public static void Create(ref T instance, SQLiteDataReader r, int index)
            {                
                string field_name = r.GetName(index);
                Type field_type = r.GetFieldType(index);
                object field_value = r.GetValue(index);
                //gLog.Verbose.Debug.WriteLine("Name: '{0}' Type: '{1}' Value: '{2}'", field_name, field_type.Name, field_value == null ? "null" : field_value.ToString());

                Type t = typeof(T);
                var props = t.GetProperties();
                foreach (var prop in props)
                {
                    if (prop.Name.ToLower() == field_name.ToLower())
                    {
                        if (prop.PropertyType == field_type)
                        {
                            Type db_type = field_value.GetType();
                            try
                            {
                                if (db_type == typeof(System.DBNull))
                                {
                                    prop.SetValue(instance, null, null);
                                }
                                else
                                {
                                    prop.SetValue(instance, field_value, null);
                                }
                                
                            }
                            catch (Exception ex) 
                            {
                                throw ex;
                            }
                        }
                        else
                        {
                            gLog.Verbose.Debug.WriteLine("Found Property: {0} but there was a type mismatch. Property Type: '{1}' Expected: '{2}'", prop.Name, prop.PropertyType.Name, field_type.Name);
                            throw new InvalidOperationException(string.Format("Found Property: {0} but there was a type mismatch. Property Type: '{1}' Expected: '{2}'", prop.Name, prop.PropertyType.Name, field_type.Name));
                        }
                    }
                }

            }
        }

        private class RECORDING_SCHEDULE : IRECORDING_SCHEDULE
        {
            public RECORDING_SCHEDULE() 
            {
                BaseDatabaseDefinition<RECORDING_SCHEDULE>.CreateDefault(this); 
            }
            //public RECORDING_SCHEDULE(SQLiteDataReader r, int index) { BaseDatabaseDefinition<RECORDING_SCHEDULE>.Create(this, r, index); }

            public static void Create(ref RECORDING_SCHEDULE instance, SQLiteDataReader r, int index)
            {
                BaseDatabaseDefinition<RECORDING_SCHEDULE>.Create(ref instance, r, index); 
            }

            #region IRECORDING_SCHEDULE members
            public Int64 oid { get; set;}
            public Int64 programme_oid { get; set;}
            public Int64 capture_source_oid { get; set;}
            public Int16 status { get; set; }
            public String filename { get; set; }
            public Int64 recording_type { get;set; }
            public Int64 recording_group { get; set;}
            public DateTime manual_start_time { get; set;}
            public DateTime manual_end_time { get; set; }
            public Int64 manual_channel_oid { get; set; }
            public Int64 quality_level { get; set; }
            public Int64 pre_pad_minutes { get; set; }
            public Int64 post_pad_minutes { get; set; }
            public Int32 priority { get; set; }
            public String conversion_profile { get; set; }
            #endregion
        }

        public interface IPROGRAMME
        {
            Int64 oid { get; }
            String name { get; }
            String sub_title { get; }
            String description { get; }
            DateTime start_time { get; }
            DateTime end_time { get; }
            Int64 channel_oid { get; }
            String unique_identifier { get; }
            String rating { get; }
        }
        private class PROGRAMME : IPROGRAMME
        {
            public PROGRAMME() 
            {
                BaseDatabaseDefinition<PROGRAMME>.CreateDefault(this); 
            }
            //public PROGRAMME(SQLiteDataReader r, int index) : base(r, index) { }
            public static void Create(ref PROGRAMME instance, SQLiteDataReader r, int index)
            {
                BaseDatabaseDefinition<PROGRAMME>.Create(ref instance, r, index);
            }
            #region IPROGRAMME members
            public Int64 oid { get; set; }
            public String name { get; set; }
            public String sub_title { get; set; }
            public String description { get; set; }
            public DateTime start_time { get; set; }
            public DateTime end_time { get; set; }
            public Int64 channel_oid { get; set; }
            public String unique_identifier { get; set; }
            public String rating { get; set; }
            #endregion
        }
        #endregion
        private static class TABLES
        {
            public const string RECORDING_SCHEDULE = "RECORDING_SCHEDULE";
            public const string PROGRAMME = "PROGRAMME";
        }

        //public SQLLite() { }
        public SQLLITE(string database, EventHandler<EventArgs> OnInstanceCreated) 
        {
            this.OnInstanceCreated = OnInstanceCreated;
            //CreateConnection(database);
            this.Database = database;
            ConnectionTest();
            ReadRecodringScheduleData();
            ReadProgrammeData();
            OnCreatedInstance(this, new EventArgs());
        }

        [NonSerialized]
        private EventHandler<EventArgs> _OnInstanceCreated;
        private EventHandler<EventArgs> OnInstanceCreated { get { return _OnInstanceCreated; } set { _OnInstanceCreated = value; } }
        
        private void OnCreatedInstance(object sender, EventArgs e)
        {
            if (OnInstanceCreated != null) { OnInstanceCreated.Invoke(sender, e); }
        }

        #region SQLLite 
        private string Database;
        public List<IPROGRAMME> Programs { get; private set; }
        public List<IRECORDING_SCHEDULE> Recordings { get; private set; }
        #endregion


        private string CreateConnectionString()
        {
            string connection_string = string.Format("Data Source={0}", this.Database);
            return connection_string;
        }

        private SQLiteConnection CreateConnection() { SQLiteConnection connection = new SQLiteConnection(CreateConnectionString()); return connection; }

        [Conditional("SQLLITE_CONNECTION_TEST")]
        private void ConnectionTest()
        {
            try
            {
                using (SQLiteConnection con = CreateConnection())
                {
                    con.Open();
                    string command_text = string.Format("select * from {0};", TABLES.PROGRAMME);
                    gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
                    using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
                    {
                        using (SQLiteDataReader r = cmd.ExecuteReader())
                        {
                            if (!r.HasRows)
                            {
                                gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
                            }
                            else
                            {
                                while (r.Read())
                                {
                                    for (int i = 0; i < r.FieldCount; i++)
                                    {
                                        string field_name = r.GetName(i);
                                        Type field_type = r.GetFieldType(i);
                                        object field_value = r.GetValue(i);
                                        gLog.Verbose.Debug.WriteLine("Name: '{0}' Type: '{1}' Value: '{2}'", field_name, field_type.Name, field_value == null ? "null" : field_value.ToString());
                                    }
                                    break;
                                }
                            }
                        }
                    }
                    con.Clone();                    
                }
                OnCreatedInstance(this, new EventArgs());
            }
            catch (Exception ex)
            {
                gLog.Error.WriteLine(ex.ToString());
            }
        }

        private void ReadProgrammeData()
        {
            try
            {
                List<IPROGRAMME> programs = new List<IPROGRAMME>();
                using (SQLiteConnection con = CreateConnection())
                {
                    con.Open();
                    string command_text = string.Format("select * from {0};", TABLES.PROGRAMME);
                    gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
                    using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
                    {
                        using (SQLiteDataReader r = cmd.ExecuteReader())
                        {
                            if (!r.HasRows)
                            {
                                gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
                            }
                            else
                            {
                                while (r.Read())
                                {
                                    PROGRAMME program = new PROGRAMME();
                                    for (int i = 0; i < r.FieldCount; i++)
                                    {
                                        PROGRAMME.Create(ref program, r, i);
                                    }
                                    programs.Add(program);
                                }
                            }
                        }
                    }
                    con.Clone();
                }
                this.Programs = programs;
            }
            catch (Exception ex)
            {
                gLog.Error.WriteLine(ex.ToString());
            }
        }
        private void ReadRecodringScheduleData()
        {
            try
            {
                List<IRECORDING_SCHEDULE> recordings = new List<IRECORDING_SCHEDULE>();
                using (SQLiteConnection con = CreateConnection())
                {
                    con.Open();
                    string command_text = string.Format("select * from {0};", TABLES.RECORDING_SCHEDULE);
                    gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
                    using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
                    {
                        using (SQLiteDataReader r = cmd.ExecuteReader())
                        {
                            if (!r.HasRows)
                            {
                                gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
                            }
                            else
                            {
                                while (r.Read())
                                {
                                    RECORDING_SCHEDULE recording = new RECORDING_SCHEDULE();
                                    for (int i = 0; i < r.FieldCount; i++)
                                    {
                                        RECORDING_SCHEDULE.Create(ref recording, r, i);
                                    }

                                    recordings.Add(recording);
                                }
                            }
                        }
                    }
                    con.Clone();
                }
                this.Recordings = recordings;
            }
            catch (Exception ex)
            {
                gLog.Error.WriteLine(ex.ToString());
            }
        }
    }
}
1	//#define SQLLITE_CONNECTION_TEST
2	using System;
3	using System.Collections.Generic;
4	using System.Linq;
5	using System.Text;
6	using System.Data.SQLite;
7	using System.Diagnostics;
8	using Enterprise.Logging;
9
10	namespace GBPVRProgramDatabaseFixer
11	{
12	internal class SQLLITE
13	{
14	#region DATABASE DEFINITIONS
15	public interface IRECORDING_SCHEDULE
16	{
17	Int64 oid { get; }
18	Int64 programme_oid { get; }
19	Int64 capture_source_oid { get; }
20	Int16 status { get; }
21	String filename { get; }
22	Int64 recording_type { get; }
23	Int64 recording_group { get; }
24	DateTime manual_start_time { get; }
25	DateTime manual_end_time { get; }
26	Int64 manual_channel_oid { get; }
27	Int64 quality_level { get; }
28	Int64 pre_pad_minutes { get; }
29	Int64 post_pad_minutes { get;}
30	Int32 priority { get; }
31	String conversion_profile { get; }
32	}
33
34	private static class BaseDatabaseDefinition<T>
35	{
36	public static void CreateDefault(T instance)
37	{
38	try
39	{
40	Type t = typeof(T);
41	var props = t.GetProperties();
42	foreach (var prop in props)
43	{
44	Type prop_type = prop.PropertyType;
45	object field_value = null;
46	try
47	{
48	if (prop_type == typeof(string))
49	{
50	field_value = string.Empty;
51	}
52	else
53	{
54	field_value = Activator.CreateInstance(prop_type);
55	}
56	}
57	catch (Exception ex)
58	{
59	throw ex;
60	}
61	prop.SetValue(instance, field_value, null);
62	}
63	}
64	catch (Exception ex)
65	{
66	throw ex;
67	}
68	}
69	public static void Create(ref T instance, SQLiteDataReader r, int index)
70	{
71	string field_name = r.GetName(index);
72	Type field_type = r.GetFieldType(index);
73	object field_value = r.GetValue(index);
74	//gLog.Verbose.Debug.WriteLine("Name: '{0}' Type: '{1}' Value: '{2}'", field_name, field_type.Name, field_value == null ? "null" : field_value.ToString());
75
76	Type t = typeof(T);
77	var props = t.GetProperties();
78	foreach (var prop in props)
79	{
80	if (prop.Name.ToLower() == field_name.ToLower())
81	{
82	if (prop.PropertyType == field_type)
83	{
84	Type db_type = field_value.GetType();
85	try
86	{
87	if (db_type == typeof(System.DBNull))
88	{
89	prop.SetValue(instance, null, null);
90	}
91	else
92	{
93	prop.SetValue(instance, field_value, null);
94	}
95
96	}
97	catch (Exception ex)
98	{
99	throw ex;
100	}
101	}
102	else
103	{
104	gLog.Verbose.Debug.WriteLine("Found Property: {0} but there was a type mismatch. Property Type: '{1}' Expected: '{2}'", prop.Name, prop.PropertyType.Name, field_type.Name);
105	throw new InvalidOperationException(string.Format("Found Property: {0} but there was a type mismatch. Property Type: '{1}' Expected: '{2}'", prop.Name, prop.PropertyType.Name, field_type.Name));
106	}
107	}
108	}
109
110	}
111	}
112
113	private class RECORDING_SCHEDULE : IRECORDING_SCHEDULE
114	{
115	public RECORDING_SCHEDULE()
116	{
117	BaseDatabaseDefinition<RECORDING_SCHEDULE>.CreateDefault(this);
118	}
119	//public RECORDING_SCHEDULE(SQLiteDataReader r, int index) { BaseDatabaseDefinition<RECORDING_SCHEDULE>.Create(this, r, index); }
120
121	public static void Create(ref RECORDING_SCHEDULE instance, SQLiteDataReader r, int index)
122	{
123	BaseDatabaseDefinition<RECORDING_SCHEDULE>.Create(ref instance, r, index);
124	}
125
126	#region IRECORDING_SCHEDULE members
127	public Int64 oid { get; set;}
128	public Int64 programme_oid { get; set;}
129	public Int64 capture_source_oid { get; set;}
130	public Int16 status { get; set; }
131	public String filename { get; set; }
132	public Int64 recording_type { get;set; }
133	public Int64 recording_group { get; set;}
134	public DateTime manual_start_time { get; set;}
135	public DateTime manual_end_time { get; set; }
136	public Int64 manual_channel_oid { get; set; }
137	public Int64 quality_level { get; set; }
138	public Int64 pre_pad_minutes { get; set; }
139	public Int64 post_pad_minutes { get; set; }
140	public Int32 priority { get; set; }
141	public String conversion_profile { get; set; }
142	#endregion
143	}
144
145	public interface IPROGRAMME
146	{
147	Int64 oid { get; }
148	String name { get; }
149	String sub_title { get; }
150	String description { get; }
151	DateTime start_time { get; }
152	DateTime end_time { get; }
153	Int64 channel_oid { get; }
154	String unique_identifier { get; }
155	String rating { get; }
156	}
157	private class PROGRAMME : IPROGRAMME
158	{
159	public PROGRAMME()
160	{
161	BaseDatabaseDefinition<PROGRAMME>.CreateDefault(this);
162	}
163	//public PROGRAMME(SQLiteDataReader r, int index) : base(r, index) { }
164	public static void Create(ref PROGRAMME instance, SQLiteDataReader r, int index)
165	{
166	BaseDatabaseDefinition<PROGRAMME>.Create(ref instance, r, index);
167	}
168	#region IPROGRAMME members
169	public Int64 oid { get; set; }
170	public String name { get; set; }
171	public String sub_title { get; set; }
172	public String description { get; set; }
173	public DateTime start_time { get; set; }
174	public DateTime end_time { get; set; }
175	public Int64 channel_oid { get; set; }
176	public String unique_identifier { get; set; }
177	public String rating { get; set; }
178	#endregion
179	}
180	#endregion
181	private static class TABLES
182	{
183	public const string RECORDING_SCHEDULE = "RECORDING_SCHEDULE";
184	public const string PROGRAMME = "PROGRAMME";
185	}
186
187	//public SQLLite() { }
188	public SQLLITE(string database, EventHandler<EventArgs> OnInstanceCreated)
189	{
190	this.OnInstanceCreated = OnInstanceCreated;
191	//CreateConnection(database);
192	this.Database = database;
193	ConnectionTest();
194	ReadRecodringScheduleData();
195	ReadProgrammeData();
196	OnCreatedInstance(this, new EventArgs());
197	}
198
199	[NonSerialized]
200	private EventHandler<EventArgs> _OnInstanceCreated;
201	private EventHandler<EventArgs> OnInstanceCreated { get { return _OnInstanceCreated; } set { _OnInstanceCreated = value; } }
202
203	private void OnCreatedInstance(object sender, EventArgs e)
204	{
205	if (OnInstanceCreated != null) { OnInstanceCreated.Invoke(sender, e); }
206	}
207
208	#region SQLLite
209	private string Database;
210	public List<IPROGRAMME> Programs { get; private set; }
211	public List<IRECORDING_SCHEDULE> Recordings { get; private set; }
212	#endregion
213
214
215	private string CreateConnectionString()
216	{
217	string connection_string = string.Format("Data Source={0}", this.Database);
218	return connection_string;
219	}
220
221	private SQLiteConnection CreateConnection() { SQLiteConnection connection = new SQLiteConnection(CreateConnectionString()); return connection; }
222
223	[Conditional("SQLLITE_CONNECTION_TEST")]
224	private void ConnectionTest()
225	{
226	try
227	{
228	using (SQLiteConnection con = CreateConnection())
229	{
230	con.Open();
231	string command_text = string.Format("select * from {0};", TABLES.PROGRAMME);
232	gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
233	using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
234	{
235	using (SQLiteDataReader r = cmd.ExecuteReader())
236	{
237	if (!r.HasRows)
238	{
239	gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
240	}
241	else
242	{
243	while (r.Read())
244	{
245	for (int i = 0; i < r.FieldCount; i++)
246	{
247	string field_name = r.GetName(i);
248	Type field_type = r.GetFieldType(i);
249	object field_value = r.GetValue(i);
250	gLog.Verbose.Debug.WriteLine("Name: '{0}' Type: '{1}' Value: '{2}'", field_name, field_type.Name, field_value == null ? "null" : field_value.ToString());
251	}
252	break;
253	}
254	}
255	}
256	}
257	con.Clone();
258	}
259	OnCreatedInstance(this, new EventArgs());
260	}
261	catch (Exception ex)
262	{
263	gLog.Error.WriteLine(ex.ToString());
264	}
265	}
266
267	private void ReadProgrammeData()
268	{
269	try
270	{
271	List<IPROGRAMME> programs = new List<IPROGRAMME>();
272	using (SQLiteConnection con = CreateConnection())
273	{
274	con.Open();
275	string command_text = string.Format("select * from {0};", TABLES.PROGRAMME);
276	gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
277	using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
278	{
279	using (SQLiteDataReader r = cmd.ExecuteReader())
280	{
281	if (!r.HasRows)
282	{
283	gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
284	}
285	else
286	{
287	while (r.Read())
288	{
289	PROGRAMME program = new PROGRAMME();
290	for (int i = 0; i < r.FieldCount; i++)
291	{
292	PROGRAMME.Create(ref program, r, i);
293	}
294	programs.Add(program);
295	}
296	}
297	}
298	}
299	con.Clone();
300	}
301	this.Programs = programs;
302	}
303	catch (Exception ex)
304	{
305	gLog.Error.WriteLine(ex.ToString());
306	}
307	}
308	private void ReadRecodringScheduleData()
309	{
310	try
311	{
312	List<IRECORDING_SCHEDULE> recordings = new List<IRECORDING_SCHEDULE>();
313	using (SQLiteConnection con = CreateConnection())
314	{
315	con.Open();
316	string command_text = string.Format("select * from {0};", TABLES.RECORDING_SCHEDULE);
317	gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
318	using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
319	{
320	using (SQLiteDataReader r = cmd.ExecuteReader())
321	{
322	if (!r.HasRows)
323	{
324	gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
325	}
326	else
327	{
328	while (r.Read())
329	{
330	RECORDING_SCHEDULE recording = new RECORDING_SCHEDULE();
331	for (int i = 0; i < r.FieldCount; i++)
332	{
333	RECORDING_SCHEDULE.Create(ref recording, r, i);
334	}
335
336	recordings.Add(recording);
337	}
338	}
339	}
340	}
341	con.Clone();
342	}
343	this.Recordings = recordings;
344	}
345	catch (Exception ex)
346	{
347	gLog.Error.WriteLine(ex.ToString());
348	}
349	}
350	}
351	}