/[xmltv_parser]/trunk/GBPVRProgramDatabaseFixer/SQLLITE.cs
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Annotation of /trunk/GBPVRProgramDatabaseFixer/SQLLITE.cs

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Revision 167 - (hide annotations) (download)
Sat Mar 16 13:26:09 2013 UTC (7 years, 5 months ago) by william
File size: 24015 byte(s)

1 william 156 //#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 william 163 using libxmltv;
10 william 165 using libxmltv.Interfaces;
11     using libxmltv.Core;
12 william 156 namespace GBPVRProgramDatabaseFixer
13     {
14 william 163 public interface ISQLLITE
15 william 156 {
16 william 163 List<SQLLITE.IPROGRAMME> Programs { get; }
17     List<SQLLITE.IRECORDING_SCHEDULE> Recordings { get; }
18     List<SQLLITE.ICHANNEL> Channels { get; }
19     IDateTimeRange GetProgramsDateRange(List<SQLLITE.IPROGRAMME> programs);
20 william 166 List<SQLLITE.IPROGRAMME> GetValidPrograms(List<SQLLITE.IPROGRAMME> gbpvr_programs, List<libxmltv.Interfaces.IProgramDefinition> xmltv_programs, out List<SQLLITE.IPROGRAMME> removed_programs);
21 william 163
22     }
23     public class SQLLITE : ISQLLITE
24     {
25     public static ISQLLITE Create(string database, EventHandler<EventArgs> OnInstanceCreated)
26     {
27     return new SQLLITE(database, OnInstanceCreated);
28     }
29    
30 william 156 #region DATABASE DEFINITIONS
31 william 159
32     public interface ICHANNEL
33     {
34     Int64 oid { get; }
35     String name { get; }
36     String channelID { get; }
37     Int64 channel_number { get; }
38     String favourite_channel { get; }
39     String display_name { get; }
40     }
41     private class CHANNEL : ICHANNEL
42     {
43     public CHANNEL()
44     {
45     BaseDatabaseDefinition<CHANNEL>.CreateDefault(this);
46     }
47     //public RECORDING_SCHEDULE(SQLiteDataReader r, int index) { BaseDatabaseDefinition<RECORDING_SCHEDULE>.Create(this, r, index); }
48    
49     public static void Create(ref CHANNEL instance, SQLiteDataReader r, int index)
50     {
51     BaseDatabaseDefinition<CHANNEL>.Create(ref instance, r, index);
52     }
53     #region ICHANNEL members
54     public Int64 oid { get; set; }
55     public String name { get; set; }
56     public String channelID { get; set; }
57     public Int64 channel_number { get; set; }
58     public String favourite_channel { get; set; }
59     public String display_name { get; set; }
60     #endregion
61     }
62 william 156 public interface IRECORDING_SCHEDULE
63     {
64     Int64 oid { get; }
65     Int64 programme_oid { get; }
66     Int64 capture_source_oid { get; }
67     Int16 status { get; }
68     String filename { get; }
69     Int64 recording_type { get; }
70     Int64 recording_group { get; }
71     DateTime manual_start_time { get; }
72     DateTime manual_end_time { get; }
73     Int64 manual_channel_oid { get; }
74     Int64 quality_level { get; }
75     Int64 pre_pad_minutes { get; }
76     Int64 post_pad_minutes { get;}
77     Int32 priority { get; }
78     String conversion_profile { get; }
79     }
80    
81     private static class BaseDatabaseDefinition<T>
82     {
83     public static void CreateDefault(T instance)
84     {
85     try
86     {
87     Type t = typeof(T);
88     var props = t.GetProperties();
89     foreach (var prop in props)
90     {
91     Type prop_type = prop.PropertyType;
92     object field_value = null;
93     try
94     {
95     if (prop_type == typeof(string))
96     {
97     field_value = string.Empty;
98     }
99     else
100     {
101     field_value = Activator.CreateInstance(prop_type);
102     }
103     }
104     catch (Exception ex)
105     {
106     throw ex;
107     }
108     prop.SetValue(instance, field_value, null);
109     }
110     }
111     catch (Exception ex)
112     {
113     throw ex;
114     }
115     }
116     public static void Create(ref T instance, SQLiteDataReader r, int index)
117     {
118     string field_name = r.GetName(index);
119     Type field_type = r.GetFieldType(index);
120     object field_value = r.GetValue(index);
121     //gLog.Verbose.Debug.WriteLine("Name: '{0}' Type: '{1}' Value: '{2}'", field_name, field_type.Name, field_value == null ? "null" : field_value.ToString());
122    
123     Type t = typeof(T);
124     var props = t.GetProperties();
125     foreach (var prop in props)
126     {
127     if (prop.Name.ToLower() == field_name.ToLower())
128     {
129     if (prop.PropertyType == field_type)
130     {
131     Type db_type = field_value.GetType();
132     try
133     {
134     if (db_type == typeof(System.DBNull))
135     {
136     prop.SetValue(instance, null, null);
137     }
138     else
139     {
140     prop.SetValue(instance, field_value, null);
141     }
142    
143     }
144     catch (Exception ex)
145     {
146     throw ex;
147     }
148     }
149     else
150     {
151     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);
152     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));
153     }
154     }
155     }
156    
157     }
158     }
159    
160     private class RECORDING_SCHEDULE : IRECORDING_SCHEDULE
161     {
162     public RECORDING_SCHEDULE()
163     {
164     BaseDatabaseDefinition<RECORDING_SCHEDULE>.CreateDefault(this);
165     }
166     //public RECORDING_SCHEDULE(SQLiteDataReader r, int index) { BaseDatabaseDefinition<RECORDING_SCHEDULE>.Create(this, r, index); }
167    
168     public static void Create(ref RECORDING_SCHEDULE instance, SQLiteDataReader r, int index)
169     {
170     BaseDatabaseDefinition<RECORDING_SCHEDULE>.Create(ref instance, r, index);
171     }
172    
173     #region IRECORDING_SCHEDULE members
174     public Int64 oid { get; set;}
175     public Int64 programme_oid { get; set;}
176     public Int64 capture_source_oid { get; set;}
177     public Int16 status { get; set; }
178     public String filename { get; set; }
179     public Int64 recording_type { get;set; }
180     public Int64 recording_group { get; set;}
181     public DateTime manual_start_time { get; set;}
182     public DateTime manual_end_time { get; set; }
183     public Int64 manual_channel_oid { get; set; }
184     public Int64 quality_level { get; set; }
185     public Int64 pre_pad_minutes { get; set; }
186     public Int64 post_pad_minutes { get; set; }
187     public Int32 priority { get; set; }
188     public String conversion_profile { get; set; }
189     #endregion
190     }
191    
192     public interface IPROGRAMME
193     {
194     Int64 oid { get; }
195     String name { get; }
196     String sub_title { get; }
197     String description { get; }
198     DateTime start_time { get; }
199     DateTime end_time { get; }
200     Int64 channel_oid { get; }
201     String unique_identifier { get; }
202     String rating { get; }
203 william 165
204     IProgramDefinition AsXMLTVProgramDefinition(ISQLLITE sqllite);
205 william 156 }
206     private class PROGRAMME : IPROGRAMME
207     {
208     public PROGRAMME()
209     {
210     BaseDatabaseDefinition<PROGRAMME>.CreateDefault(this);
211     }
212     //public PROGRAMME(SQLiteDataReader r, int index) : base(r, index) { }
213     public static void Create(ref PROGRAMME instance, SQLiteDataReader r, int index)
214     {
215     BaseDatabaseDefinition<PROGRAMME>.Create(ref instance, r, index);
216     }
217     #region IPROGRAMME members
218     public Int64 oid { get; set; }
219     public String name { get; set; }
220     public String sub_title { get; set; }
221     public String description { get; set; }
222     public DateTime start_time { get; set; }
223     public DateTime end_time { get; set; }
224     public Int64 channel_oid { get; set; }
225     public String unique_identifier { get; set; }
226     public String rating { get; set; }
227 william 165 public IProgramDefinition AsXMLTVProgramDefinition(ISQLLITE sqllite)
228     {
229     ProgramList.ProgramDefintion definition = new ProgramList.ProgramDefintion();
230     var channel = sqllite.Channels.Find(s => s.oid == this.channel_oid);
231     definition.ChannelName = channel.display_name;
232     definition.ChannelNumber = (int)channel.channel_number;
233     definition.Description = this.description;
234     definition.Start = this.start_time.ToString("");
235     definition.Stop = this.end_time.ToString("");
236     definition.SubTitle = this.sub_title;
237     definition.Title = this.name;
238     return definition;
239     }
240 william 156 #endregion
241     }
242     #endregion
243     private static class TABLES
244     {
245     public const string RECORDING_SCHEDULE = "RECORDING_SCHEDULE";
246     public const string PROGRAMME = "PROGRAMME";
247 william 159 public const string CHANNEL = "CHANNEL";
248 william 156 }
249    
250     //public SQLLite() { }
251 william 163 protected SQLLITE(string database, EventHandler<EventArgs> OnInstanceCreated)
252 william 156 {
253     this.OnInstanceCreated = OnInstanceCreated;
254     //CreateConnection(database);
255     this.Database = database;
256 william 157 if (!CreateDatabaseBackup())
257     {
258     gLog.Error.WriteLine("Failed to backup database.");
259     return;
260     }
261 william 156 ConnectionTest();
262 william 159 ReadChannelData();
263 william 156 ReadRecodringScheduleData();
264     ReadProgrammeData();
265     OnCreatedInstance(this, new EventArgs());
266     }
267    
268     [NonSerialized]
269     private EventHandler<EventArgs> _OnInstanceCreated;
270     private EventHandler<EventArgs> OnInstanceCreated { get { return _OnInstanceCreated; } set { _OnInstanceCreated = value; } }
271    
272     private void OnCreatedInstance(object sender, EventArgs e)
273     {
274     if (OnInstanceCreated != null) { OnInstanceCreated.Invoke(sender, e); }
275     }
276    
277     private string Database;
278 william 163 #region ISQLLITE members
279 william 156 public List<IPROGRAMME> Programs { get; private set; }
280     public List<IRECORDING_SCHEDULE> Recordings { get; private set; }
281 william 159 public List<ICHANNEL> Channels { get; private set; }
282 william 163
283     public IDateTimeRange GetProgramsDateRange(List<SQLLITE.IPROGRAMME> programs)
284     {
285     var list = new List<IPROGRAMME>(programs.ToArray());
286     DateTime first = new DateTime();
287     DateTime last = new DateTime();
288     first = list.OrderBy(s => s.start_time).ToList().First().start_time;
289     last = list.OrderBy(s => s.start_time).ToList().Last().start_time;
290 william 167 gLog.Verbose.Debug.WriteLine("\tFirst: {0} = ({1})", first.ToString("yyyy/MM/dd HH:mm:ss.fffffff"), first.ToDateTimeString());
291     gLog.Verbose.Debug.WriteLine("\tLast: {0} = ({1})", last.ToString("yyyy/MM/dd HH:mm:ss.fffffff"), last.ToDateTimeString());
292 william 163 var range = DateTimeRange.Create(first, last);
293     return range;
294     }
295    
296 william 166 public List<SQLLITE.IPROGRAMME> GetValidPrograms(List<SQLLITE.IPROGRAMME> gbpvr_programs, List<libxmltv.Interfaces.IProgramDefinition> xmltv_programs, out List<SQLLITE.IPROGRAMME> source_invalid)
297 william 163 {
298 william 166 source_invalid = new List<IPROGRAMME>();
299     List<SQLLITE.IPROGRAMME> source = new List<IPROGRAMME>(gbpvr_programs.ToArray());
300     source = source.OrderBy(s => s.start_time).ToList();
301     List<SQLLITE.IPROGRAMME> source_valid = new List<IPROGRAMME>();
302     //if (range == null)
303     //{
304     // gLog.Warn.WriteLine("The DateTimeRange passed in is null...returning the original program list");
305     // return list;
306     //}
307 william 163 //gLog.Warn.WriteLine("FilterProgramsByDateRange has not been implemented");
308 william 166
309     double total = source.Count;
310     double index = 0;
311     double progress = 0;
312     foreach (var program in source)
313 william 163 {
314 william 166 //if (program.start_time >= range.Start &&
315     // program.start_time <= range.End)
316     //{
317     // list2.Add(program);
318     //}
319     //else
320     //{
321     // removed_programs.Add(program);
322     //}
323     progress = 100.0 * (index / total);
324 william 167 gLog.ReportProgress(this, new ReportProgressEventArgs((int)progress, string.Format("Filtering GBPVR Programs: {0:00}%", (int)progress)));
325 william 166 var xmltv_entry = program.AsXMLTVProgramDefinition(this);
326     if (xmltv_programs.Contains(xmltv_entry))
327 william 163 {
328 william 166 source_valid.Add(program);
329 william 163 }
330 william 164 else
331     {
332 william 166 source_invalid.Add(program);
333 william 164 }
334 william 166 index++;
335 william 163 }
336 william 166
337     //for (int i = 0; i < programs.Count(); i++)
338     //{
339     // var gbpvr_entry = gbpvr[i];
340     // var xmltv_entry = gbpvr_entry.AsXMLTVProgramDefinition(sqlite);
341     // if (!xmltv[i].Equals(xmltv_entry))
342     // {
343     // gLog.Warn.WriteLine("Warning GBPVR Program oid: {0} might be invalid", gbpvr_entry.oid);
344     // }
345     //}
346    
347     source_valid = source_valid.OrderBy(s => s.channel_oid).ThenBy(s => s.start_time).ToList();
348     source_invalid = source_invalid.OrderBy(s => s.channel_oid).ThenBy(s => s.start_time).ToList();
349 william 167
350     gLog.Info.WriteLine("Total XMLTV Programs: 0x{0:x8}", xmltv_programs.Count);
351     gLog.Info.WriteLine("Found: 0x{0:x8} valid GB-PVR Programs", source_valid.Count);
352     gLog.Info.WriteLine("Found: 0x{0:x8} invalid GB-PVR Programs", source_invalid.Count);
353     gLog.Info.WriteLine("Total GB-PVR Programs: 0x{0:x8}", source_valid.Count + source_invalid.Count);
354    
355 william 166 return source_valid;
356 william 163 }
357 william 156 #endregion
358    
359    
360     private string CreateConnectionString()
361     {
362     string connection_string = string.Format("Data Source={0}", this.Database);
363     return connection_string;
364     }
365    
366     private SQLiteConnection CreateConnection() { SQLiteConnection connection = new SQLiteConnection(CreateConnectionString()); return connection; }
367    
368     [Conditional("SQLLITE_CONNECTION_TEST")]
369     private void ConnectionTest()
370     {
371     try
372     {
373     using (SQLiteConnection con = CreateConnection())
374     {
375     con.Open();
376 william 159 string command_text = string.Format("select * from {0};", TABLES.CHANNEL);
377 william 156 gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
378     using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
379     {
380     using (SQLiteDataReader r = cmd.ExecuteReader())
381     {
382     if (!r.HasRows)
383     {
384     gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
385     }
386     else
387     {
388     while (r.Read())
389     {
390     for (int i = 0; i < r.FieldCount; i++)
391     {
392     string field_name = r.GetName(i);
393     Type field_type = r.GetFieldType(i);
394     object field_value = r.GetValue(i);
395     gLog.Verbose.Debug.WriteLine("Name: '{0}' Type: '{1}' Value: '{2}'", field_name, field_type.Name, field_value == null ? "null" : field_value.ToString());
396     }
397     break;
398     }
399     }
400     }
401     }
402 william 157 con.Clone();
403 william 156 }
404     OnCreatedInstance(this, new EventArgs());
405     }
406     catch (Exception ex)
407     {
408     gLog.Error.WriteLine(ex.ToString());
409     }
410     }
411    
412 william 157
413     private bool CreateDatabaseBackup()
414     {
415     try
416     {
417     string backup_file = string.Format("{0}.{1}", this.Database, DateTime.Now.ToString("yyyyMMddHHmmss"));
418     gLog.Info.WriteLine("Creating Database backup...");
419     gLog.Info.WriteLine("\tSource: {0}", this.Database);
420     gLog.Info.WriteLine("\tDestination: {0}", backup_file);
421    
422     System.IO.File.Copy(this.Database, backup_file);
423     return true;
424     }
425     catch (Exception ex)
426     {
427     gLog.Error.WriteLine(ex.ToString());
428     return false;
429     }
430     }
431 william 159 private void ReadChannelData()
432     {
433     try
434     {
435     List<ICHANNEL> channels = new List<ICHANNEL>();
436     using (SQLiteConnection con = CreateConnection())
437     {
438     con.Open();
439     string command_text = string.Format("select * from {0};", TABLES.CHANNEL);
440     gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
441     using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
442     {
443     using (SQLiteDataReader r = cmd.ExecuteReader())
444     {
445     if (!r.HasRows)
446     {
447     gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
448     }
449     else
450     {
451     while (r.Read())
452     {
453     CHANNEL channel = new CHANNEL();
454     for (int i = 0; i < r.FieldCount; i++)
455     {
456     CHANNEL.Create(ref channel, r, i);
457     }
458     channels.Add(channel);
459     }
460     }
461     }
462     }
463     con.Clone();
464     }
465     this.Channels = channels;
466     }
467     catch (Exception ex)
468     {
469     gLog.Error.WriteLine(ex.ToString());
470     }
471     }
472 william 156 private void ReadProgrammeData()
473     {
474     try
475     {
476     List<IPROGRAMME> programs = new List<IPROGRAMME>();
477     using (SQLiteConnection con = CreateConnection())
478     {
479     con.Open();
480     string command_text = string.Format("select * from {0};", TABLES.PROGRAMME);
481     gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
482     using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
483     {
484     using (SQLiteDataReader r = cmd.ExecuteReader())
485     {
486     if (!r.HasRows)
487     {
488     gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
489     }
490     else
491     {
492     while (r.Read())
493     {
494     PROGRAMME program = new PROGRAMME();
495     for (int i = 0; i < r.FieldCount; i++)
496     {
497     PROGRAMME.Create(ref program, r, i);
498     }
499     programs.Add(program);
500     }
501     }
502     }
503     }
504     con.Clone();
505     }
506     this.Programs = programs;
507     }
508     catch (Exception ex)
509     {
510     gLog.Error.WriteLine(ex.ToString());
511     }
512     }
513     private void ReadRecodringScheduleData()
514     {
515     try
516     {
517     List<IRECORDING_SCHEDULE> recordings = new List<IRECORDING_SCHEDULE>();
518     using (SQLiteConnection con = CreateConnection())
519     {
520     con.Open();
521     string command_text = string.Format("select * from {0};", TABLES.RECORDING_SCHEDULE);
522     gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
523     using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
524     {
525     using (SQLiteDataReader r = cmd.ExecuteReader())
526     {
527     if (!r.HasRows)
528     {
529     gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
530     }
531     else
532     {
533     while (r.Read())
534     {
535     RECORDING_SCHEDULE recording = new RECORDING_SCHEDULE();
536     for (int i = 0; i < r.FieldCount; i++)
537     {
538     RECORDING_SCHEDULE.Create(ref recording, r, i);
539     }
540     recordings.Add(recording);
541     }
542     }
543     }
544     }
545     con.Clone();
546     }
547     this.Recordings = recordings;
548     }
549     catch (Exception ex)
550     {
551     gLog.Error.WriteLine(ex.ToString());
552     }
553     }
554 william 159
555 william 156 }
556     }

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