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

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Revision 191 - (show annotations) (download)
Sat Mar 16 20:07:53 2013 UTC (6 years, 7 months ago) by william
File size: 48242 byte(s)

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 using libxmltv;
10 using libxmltv.Interfaces;
11 using libxmltv.Core;
12 namespace GBPVRProgramDatabaseFixer
13 {
14 public interface IOldNewProgram
15 {
16 SQLLITE.IPROGRAMME OldProgram { get; }
17 SQLLITE.IPROGRAMME NewProgram { get; }
18 }
19 public interface ISQLLITE
20 {
21 List<SQLLITE.IPROGRAMME> Programs { get; }
22 List<SQLLITE.IRECORDING_SCHEDULE> Recordings { get; }
23 List<SQLLITE.ICHANNEL> Channels { get; }
24 IDateTimeRange GetProgramsDateRange(List<SQLLITE.IPROGRAMME> programs);
25 List<IOldNewProgram> FixGBPVRProgramsDatabase(List<SQLLITE.IPROGRAMME> gbpvr_programs, List<libxmltv.Interfaces.IProgramDefinition> xmltv_programs, out List<SQLLITE.IPROGRAMME> removed_programs);
26
27 void RemoveOldGBPVRPrograms(List<SQLLITE.IPROGRAMME> programs);
28 void UpdateGBPVRPrograms(List<IOldNewProgram> programs);
29
30 }
31 public class SQLLITE : ISQLLITE
32 {
33 private class OldNewProgram : IOldNewProgram
34 {
35 public OldNewProgram() : this(new PROGRAMME(), new PROGRAMME()) { }
36 public OldNewProgram(IPROGRAMME _old, IPROGRAMME _new) { OldProgram = _old; NewProgram = _new; }
37
38 public IPROGRAMME OldProgram { get; private set; }
39 public IPROGRAMME NewProgram { get; private set; }
40 }
41 public static ISQLLITE Create(string database, EventHandler<EventArgs> OnInstanceCreated)
42 {
43 return new SQLLITE(database, OnInstanceCreated);
44 }
45
46 #region DATABASE DEFINITIONS
47
48 public interface ICHANNEL
49 {
50 Int64 oid { get; }
51 String name { get; }
52 String channelID { get; }
53 Int64 channel_number { get; }
54 String favourite_channel { get; }
55 String display_name { get; }
56 }
57 private class CHANNEL : ICHANNEL
58 {
59 public CHANNEL()
60 {
61 BaseDatabaseDefinition<CHANNEL>.CreateDefault(this);
62 }
63 //public RECORDING_SCHEDULE(SQLiteDataReader r, int index) { BaseDatabaseDefinition<RECORDING_SCHEDULE>.Create(this, r, index); }
64
65 public static void Create(ref CHANNEL instance, SQLiteDataReader r, int index)
66 {
67 BaseDatabaseDefinition<CHANNEL>.Create(ref instance, r, index);
68 }
69 #region ICHANNEL members
70 public Int64 oid { get; set; }
71 public String name { get; set; }
72 public String channelID { get; set; }
73 public Int64 channel_number { get; set; }
74 public String favourite_channel { get; set; }
75 public String display_name { get; set; }
76 #endregion
77 }
78 public interface IRECORDING_SCHEDULE
79 {
80 Int64 oid { get; }
81 Int64 programme_oid { get; }
82 Int64 capture_source_oid { get; }
83 Int16 status { get; }
84 String filename { get; }
85 Int64 recording_type { get; }
86 Int64 recording_group { get; }
87 DateTime manual_start_time { get; }
88 DateTime manual_end_time { get; }
89 Int64 manual_channel_oid { get; }
90 Int64 quality_level { get; }
91 Int64 pre_pad_minutes { get; }
92 Int64 post_pad_minutes { get; }
93 Int32 priority { get; }
94 String conversion_profile { get; }
95 }
96
97 private static class BaseDatabaseDefinition<T>
98 {
99 public static void CreateDefault(T instance)
100 {
101 try
102 {
103 Type t = typeof(T);
104 var props = t.GetProperties();
105 foreach (var prop in props)
106 {
107 Type prop_type = prop.PropertyType;
108 object field_value = null;
109 try
110 {
111 if (prop_type == typeof(string))
112 {
113 field_value = string.Empty;
114 }
115 else
116 {
117 field_value = Activator.CreateInstance(prop_type);
118 }
119 }
120 catch (Exception ex)
121 {
122 throw ex;
123 }
124 prop.SetValue(instance, field_value, null);
125 }
126 }
127 catch (Exception ex)
128 {
129 throw ex;
130 }
131 }
132 public static void Create(ref T instance, SQLiteDataReader r, int index)
133 {
134 string field_name = r.GetName(index);
135 Type field_type = r.GetFieldType(index);
136 object field_value = r.GetValue(index);
137 //gLog.Verbose.Debug.WriteLine("Name: '{0}' Type: '{1}' Value: '{2}'", field_name, field_type.Name, field_value == null ? "null" : field_value.ToString());
138
139 Type t = typeof(T);
140 var props = t.GetProperties();
141 foreach (var prop in props)
142 {
143 if (prop.Name.ToLower() == field_name.ToLower())
144 {
145 if (prop.PropertyType == field_type)
146 {
147 Type db_type = field_value.GetType();
148 try
149 {
150 if (db_type == typeof(System.DBNull))
151 {
152 prop.SetValue(instance, null, null);
153 }
154 else
155 {
156 prop.SetValue(instance, field_value, null);
157 }
158
159 }
160 catch (Exception ex)
161 {
162 throw ex;
163 }
164 }
165 else
166 {
167 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);
168 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));
169 }
170 }
171 }
172
173 }
174 }
175
176 private class RECORDING_SCHEDULE : IRECORDING_SCHEDULE
177 {
178 public RECORDING_SCHEDULE()
179 {
180 BaseDatabaseDefinition<RECORDING_SCHEDULE>.CreateDefault(this);
181 }
182 //public RECORDING_SCHEDULE(SQLiteDataReader r, int index) { BaseDatabaseDefinition<RECORDING_SCHEDULE>.Create(this, r, index); }
183
184 public static void Create(ref RECORDING_SCHEDULE instance, SQLiteDataReader r, int index)
185 {
186 BaseDatabaseDefinition<RECORDING_SCHEDULE>.Create(ref instance, r, index);
187 }
188
189 #region IRECORDING_SCHEDULE members
190 public Int64 oid { get; set; }
191 public Int64 programme_oid { get; set; }
192 public Int64 capture_source_oid { get; set; }
193 public Int16 status { get; set; }
194 public String filename { get; set; }
195 public Int64 recording_type { get; set; }
196 public Int64 recording_group { get; set; }
197 public DateTime manual_start_time { get; set; }
198 public DateTime manual_end_time { get; set; }
199 public Int64 manual_channel_oid { get; set; }
200 public Int64 quality_level { get; set; }
201 public Int64 pre_pad_minutes { get; set; }
202 public Int64 post_pad_minutes { get; set; }
203 public Int32 priority { get; set; }
204 public String conversion_profile { get; set; }
205 #endregion
206 }
207
208 public interface IPROGRAMME : IEquatable<IPROGRAMME>
209 {
210 Int64 oid { get; set; }
211 String name { get; set; }
212 String sub_title { get; set; }
213 String description { get; set; }
214 DateTime start_time { get; set; }
215 DateTime end_time { get; set; }
216 Int64 channel_oid { get; set; }
217 String unique_identifier { get; set; }
218 String rating { get; set; }
219
220 string ToString();
221 IProgramDefinition AsXMLTVProgramDefinition(ISQLLITE sqllite);
222 }
223 private class PROGRAMME : IPROGRAMME
224 {
225 public PROGRAMME()
226 {
227 BaseDatabaseDefinition<PROGRAMME>.CreateDefault(this);
228 }
229 //public PROGRAMME(SQLiteDataReader r, int index) : base(r, index) { }
230 public static void Create(ref PROGRAMME instance, SQLiteDataReader r, int index)
231 {
232 BaseDatabaseDefinition<PROGRAMME>.Create(ref instance, r, index);
233 }
234 #region IPROGRAMME members
235 public Int64 oid { get; set; }
236 public String name { get; set; }
237 public String sub_title { get; set; }
238 public String description { get; set; }
239 public DateTime start_time { get; set; }
240 public DateTime end_time { get; set; }
241 public Int64 channel_oid { get; set; }
242 public String unique_identifier { get; set; }
243 public String rating { get; set; }
244 public IProgramDefinition AsXMLTVProgramDefinition(ISQLLITE sqllite)
245 {
246 ProgramList.ProgramDefintion definition = new ProgramList.ProgramDefintion();
247
248 var channel = sqllite.Channels.Find(s => s.oid == this.channel_oid);
249 var channelname = channel.display_name;
250 var split = channelname.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
251 definition.ChannelNumber = Convert.ToInt32(split.First());
252 definition.ChannelName = string.IsNullOrEmpty(split.Last()) ? string.Empty : split.Last().ToString();
253 definition.Description = this.description;
254 definition.Start = this.start_time.ToDateTimeString();
255 definition.Stop = this.end_time.ToDateTimeString();
256 definition.SubTitle = this.sub_title;
257 definition.Title = this.name;
258 return definition;
259 }
260 #endregion
261
262 public bool Equals(IPROGRAMME other)
263 {
264 return this.ToString() == other.ToString();
265 }
266 public override string ToString()
267 {
268 StringBuilder builder = new StringBuilder();
269
270 builder.AppendFormat("oid: '{0}' ", oid);
271 builder.AppendFormat("name: '{0}' ", name);
272 builder.AppendFormat("sub_title: '{0}' ", sub_title);
273 builder.AppendFormat("description: '{0}' ", description);
274 builder.AppendFormat("start_time: '{0}' ", start_time.ToDateTimeString());
275 builder.AppendFormat("end_time: '{0}' ", end_time.ToDateTimeString());
276 builder.AppendFormat("channel_oid: '{0}' ", channel_oid);
277 builder.AppendFormat("unique_identifier: '{0}' ", unique_identifier);
278 builder.AppendFormat("rating: '{0}'", rating);
279
280 return builder.ToString();
281 }
282 public override bool Equals(object obj)
283 {
284 if (obj == null) { throw new ArgumentNullException("obj", "Object to compare cannot be null"); }
285 if (obj.GetType().IsAssignableFrom(typeof(IPROGRAMME)))
286 {
287 return this.Equals((IPROGRAMME)obj);
288 }
289 return base.Equals(obj);
290 }
291 public override int GetHashCode()
292 {
293 return this.ToString().GetHashCode();
294 }
295 }
296 #endregion
297 private static class TABLES
298 {
299 public const string RECORDING_SCHEDULE = "RECORDING_SCHEDULE";
300 public const string PROGRAMME = "PROGRAMME";
301 public const string CHANNEL = "CHANNEL";
302 }
303
304 //public SQLLite() { }
305 protected SQLLITE(string database, EventHandler<EventArgs> OnInstanceCreated)
306 {
307 this.OnInstanceCreated = OnInstanceCreated;
308 //CreateConnection(database);
309 this.Database = database;
310 if (!CreateDatabaseBackup())
311 {
312 gLog.Error.WriteLine("Failed to backup database.");
313 return;
314 }
315 ConnectionTest();
316 ReadChannelData();
317 ReadRecodringScheduleData();
318 ReadProgrammeData();
319 OnCreatedInstance(this, new EventArgs());
320 }
321
322 [NonSerialized]
323 private EventHandler<EventArgs> _OnInstanceCreated;
324 private EventHandler<EventArgs> OnInstanceCreated { get { return _OnInstanceCreated; } set { _OnInstanceCreated = value; } }
325
326 private void OnCreatedInstance(object sender, EventArgs e)
327 {
328 if (OnInstanceCreated != null) { OnInstanceCreated.Invoke(sender, e); }
329 }
330
331 private string Database;
332 #region ISQLLITE members
333 public List<IPROGRAMME> Programs { get; private set; }
334 public List<IRECORDING_SCHEDULE> Recordings { get; private set; }
335 public List<ICHANNEL> Channels { get; private set; }
336
337 public IDateTimeRange GetProgramsDateRange(List<SQLLITE.IPROGRAMME> programs)
338 {
339 var list = new List<IPROGRAMME>(programs.ToArray());
340 DateTime first = new DateTime();
341 DateTime last = new DateTime();
342 first = list.OrderBy(s => s.start_time).ToList().First().start_time;
343 last = list.OrderBy(s => s.start_time).ToList().Last().start_time;
344 gLog.Verbose.Debug.WriteLine("\tFirst: {0} = ({1})", first.ToString("yyyy/MM/dd HH:mm:ss.fffffff"), first.ToDateTimeString());
345 gLog.Verbose.Debug.WriteLine("\tLast: {0} = ({1})", last.ToString("yyyy/MM/dd HH:mm:ss.fffffff"), last.ToDateTimeString());
346 var range = DateTimeRange.Create(first, last);
347 return range;
348 }
349
350 public List<IOldNewProgram> FixGBPVRProgramsDatabase(List<SQLLITE.IPROGRAMME> gbpvr_programs, List<libxmltv.Interfaces.IProgramDefinition> xmltv_programs, out List<SQLLITE.IPROGRAMME> source_invalid)
351 {
352 source_invalid = new List<IPROGRAMME>();
353 List<IOldNewProgram> source_valid = new List<IOldNewProgram>();
354 gbpvr_programs = gbpvr_programs.OrderBy(s => s.start_time).ToList();
355 xmltv_programs = xmltv_programs.OrderBy(s => DateTime.Parse(s.Start)).ToList();
356 gbpvr_programs.TrimExcess();
357 xmltv_programs.TrimExcess();
358
359 double total = gbpvr_programs.Count;
360 double index = 0;
361 double progress = 0;
362 foreach (var program in gbpvr_programs)
363 {
364 progress = 100.0 * (index / total);
365 gLog.ReportProgress(this, new ReportProgressEventArgs((int)progress, string.Format("Filtering GBPVR Programs: {0:00}%", (int)progress)));
366 // find an entry in xmltv_programs by Channel Number & StartDate
367 var program_xmltv_entry = program.AsXMLTVProgramDefinition(this);
368 var xmltv_entry = xmltv_programs.Find(s => s.ChannelNumber == program_xmltv_entry.ChannelNumber && s.Start == program_xmltv_entry.Start);
369 if (xmltv_entry == null)
370 {
371 // xmltv entry was not found
372 source_invalid.Add(program);
373 }
374 else
375 {
376 // check if the xmltv entry has different data from the current program
377 if (!xmltv_entry.Equals(program_xmltv_entry))
378 {
379 // data is different
380 var updated_program = program;
381
382 if (program_xmltv_entry.Title != xmltv_entry.Title)
383 {
384 gLog.Verbose.Warn.WriteLine(" Program oid: '{0}' - replacing title", updated_program.oid);
385 updated_program.name = xmltv_entry.Title;
386 }
387 if (program_xmltv_entry.SubTitle != xmltv_entry.SubTitle)
388 {
389 gLog.Verbose.Warn.WriteLine(" Program oid: '{0}' - replacing sub_title", updated_program.oid);
390 updated_program.sub_title = xmltv_entry.SubTitle;
391 }
392 if (program_xmltv_entry.Stop != xmltv_entry.Stop)
393 {
394 gLog.Verbose.Warn.WriteLine(" Program oid: '{0}' - replacing end_time", updated_program.oid);
395 updated_program.end_time = DateTime.Parse(xmltv_entry.Stop);
396 }
397 if (program_xmltv_entry.Start != xmltv_entry.Start)
398 {
399 gLog.Verbose.Warn.WriteLine(" Program oid: '{0}' - replacing start_time", updated_program.oid);
400 updated_program.start_time = DateTime.Parse(xmltv_entry.Start);
401 }
402 if (program_xmltv_entry.Description != xmltv_entry.Description)
403 {
404 gLog.Verbose.Warn.WriteLine(" Program oid: '{0}' - replacing description", updated_program.oid);
405 updated_program.description = xmltv_entry.Description;
406 }
407
408 var updated_xmltv_entry = updated_program.AsXMLTVProgramDefinition(this);
409 if (!xmltv_entry.Equals(updated_xmltv_entry))
410 {
411 throw new Exception(string.Format("Program oid '{0}' was not properly updated.", updated_program.oid));
412 }
413 source_valid.Add(new OldNewProgram(program, updated_program));
414 }
415 else
416 {
417 // data is the same
418 source_valid.Add(new OldNewProgram(program, program));
419 }
420 }
421 index++;
422 }
423
424 #region old-code
425 //List<OldNewProgram> source_update = new List<OldNewProgram>();
426 ////if (range == null)
427 ////{
428 //// gLog.Warn.WriteLine("The DateTimeRange passed in is null...returning the original program list");
429 //// return list;
430 ////}
431 ////gLog.Warn.WriteLine("FilterProgramsByDateRange has not been implemented");
432 //double total = gbpvr_programs.Count;
433 //double index = 0;
434 //double progress = 0;
435 //foreach (var program in gbpvr_programs)
436 //{
437 // progress = 100.0 * (index / total);
438 // gLog.ReportProgress(this, new ReportProgressEventArgs((int)progress, string.Format("Filtering GBPVR Programs: {0:00}%", (int)progress)));
439 // var channel_oid = program.channel_oid;
440 // var channel = this.Channels.Find(s => s.oid == channel_oid);
441 // var start_date = program.start_time;
442 // //var xmltv_entry_list = xmltv_programs.FindAll(s => s.ChannelNumber == channel.channel_number && s.Start == start_date.ToDateTimeString());
443 // var query = from c in xmltv_programs
444 // where
445 // c.ChannelNumber == channel.channel_number &&
446 // c.Start == start_date.ToDateTimeString()
447 // select c;
448 // IProgramDefinition xmltv_entry = null;
449 // if (query.Count()-1 > 0)
450 // {
451 // gLog.Verbose.Error.WriteLine("Found more than one entry: Matching channel='{0}' and start='{1}'", channel.channel_number, start_date.ToDateTimeString());
452 // gLog.Verbose.Error.WriteLine(" GB-PVR Program Data: oid='{0}' channel_oid='{1}' name='{2}' sub_title='{3}' description='{4}'", program.oid, program.channel_oid, program.name, program.sub_title, program.description);
453 // if (Debugger.IsAttached)
454 // {
455 // gLog.Error.WriteLine(" Found: {0} matching entries", query.Count());
456 // int k_index = 0;
457 // foreach (var k in query)
458 // {
459 // gLog.Verbose.Error.WriteLine(" query[{0}]: channel='{1}' start='{2}' ('{3}') title='{4}' subtitle='{5}' description='{6}'", k_index, k.ChannelNumber, k.Start, DateTime.Parse(k.Start).ToString("yyyy/MM/dd HH:mm:ss.fffffff"), k.Title, k.SubTitle, k.Description);
460 // k_index++;
461 // }
462 // Debugger.Break();
463 // }
464 // }
465 // else
466 // {
467 // xmltv_entry = query.FirstOrDefault();
468 // }
469 // if (xmltv_entry == null)
470 // {
471 // //gLog.Verbose.Warn.WriteLine("Invalidating GB-PVR Program: oid='{0}' channel_oid='{1}' title='{2}' start='{3}'", program.oid, program.channel_oid, program.name, program.start_time.ToDateTimeString());
472 // source_invalid.Add(program);
473 // }
474 // else
475 // {
476 // //gLog.Verbose.Warn.WriteLine("Updating GB-PVR Program (if needed): oid='{0}' channel_oid='{1}' title='{2}' subtitle='{3}' start='{4}'", program.oid, program.channel_oid, program.name, program.sub_title, program.start_time.ToDateTimeString());
477 // var updated_program = program;
478 // bool needsupdate = false;
479 // if (xmltv_entry.Title != program.name)
480 // {
481 // //gLog.Verbose.Warn.WriteLine(" Updating:");
482 // //gLog.Verbose.Warn.WriteLine(" Old Title: {0}", program.name);
483 // //gLog.Verbose.Warn.WriteLine(" New Title: {0}", xmltv_entry.Title);
484 // updated_program.name = xmltv_entry.Title;
485 // needsupdate = true;
486 // }
487 // if (xmltv_entry.SubTitle != program.sub_title)
488 // {
489 // //gLog.Verbose.Warn.WriteLine(" Updating:");
490 // //gLog.Verbose.Warn.WriteLine(" Old SubTile: {0}", program.sub_title);
491 // //gLog.Verbose.Warn.WriteLine(" New SubTile: {0}", xmltv_entry.SubTitle);
492 // updated_program.sub_title = xmltv_entry.SubTitle;
493 // needsupdate = true;
494 // }
495 // if (xmltv_entry.Description != program.description)
496 // {
497 // //gLog.Verbose.Warn.WriteLine(" Updating:");
498 // //gLog.Verbose.Warn.WriteLine(" Old Descption: {0}", program.description);
499 // //gLog.Verbose.Warn.WriteLine(" New Descption: {0}", xmltv_entry.Description);
500 // updated_program.description = xmltv_entry.Description;
501 // needsupdate = true;
502 // }
503 // if (DateTime.Parse(xmltv_entry.Start) != program.start_time)
504 // {
505 // //gLog.Verbose.Warn.WriteLine(" Updating:");
506 // //gLog.Verbose.Warn.WriteLine(" Old StartTime: {0}", program.start_time.ToDateTimeString());
507 // //gLog.Verbose.Warn.WriteLine(" New StartTime: {0}", DateTime.Parse(xmltv_entry.Start).ToDateTimeString());
508 // updated_program.start_time = DateTime.Parse(xmltv_entry.Start);
509 // needsupdate = true;
510 // }
511 // if (DateTime.Parse(xmltv_entry.Stop) != program.end_time)
512 // {
513 // //gLog.Verbose.Warn.WriteLine(" Updating:");
514 // //gLog.Verbose.Warn.WriteLine(" Old EndTime: {0}", program.end_time.ToDateTimeString());
515 // //gLog.Verbose.Warn.WriteLine(" New EndTime: {0}", DateTime.Parse(xmltv_entry.Stop).ToDateTimeString());
516 // updated_program.end_time = DateTime.Parse(xmltv_entry.Stop);
517 // needsupdate = true;
518 // }
519 // if (needsupdate)
520 // {
521 // OldNewProgram p = new OldNewProgram();
522 // p.OldProgram = program;
523 // p.NewProgram = updated_program;
524 // source_update.Add(p);
525 // }
526 // source_valid.Add(updated_program);
527 // }
528 // index++;
529 //}
530 //source_valid = source_valid.OrderBy(s => s.channel_oid).ThenBy(s => s.start_time).ToList();
531 //source_invalid = source_invalid.OrderBy(s => s.channel_oid).ThenBy(s => s.start_time).ToList();
532 //if (source_invalid.Count > 0)
533 //{
534 // double source_invalid_count = source_valid.Count;
535 // double source_invalid_index = 0;
536 // double source_invalid_progress = 0;
537 // foreach (var old_program in source_invalid)
538 // {
539 // source_invalid_progress = 100.0 * (source_invalid_index / source_invalid_count);
540 // gLog.ReportProgress(this, new ReportProgressEventArgs((int)source_invalid_progress, string.Format("Removing old GBPVR Programs: {0:00}%", (int)source_invalid_progress)));
541 // // remove database entry
542 // if (!RemoveProgramDatabaseEntry(old_program))
543 // {
544 // gLog.Error.WriteLine("Failed to remove program with oid: '{0}'", old_program.oid);
545 // }
546 // else
547 // {
548 // gLog.Verbose.Info.WriteLine("Removed program with oid: '{0}'", old_program.oid);
549 // }
550 // source_invalid_index++;
551 // }
552 //}
553 //else
554 //{
555 // gLog.Info.WriteLine("No old GB-PVR Programs needed to be removed.");
556 //}
557 //if (source_update.Count > 0)
558 //{
559 // double source_update_count = source_valid.Count;
560 // double source_update_index = 0;
561 // double source_update_progress = 0;
562 // foreach (var p in source_update)
563 // {
564 // source_update_progress = 100.0 * (source_update_index / source_update_count);
565 // gLog.ReportProgress(this, new ReportProgressEventArgs((int)source_update_progress, string.Format("Updating GBPVR Programs: {0:00}%", (int)source_update_progress)));
566 // // remove database entry
567 // if (!UpdateProgramDatabaseEntry(p.OldProgram,p.NewProgram))
568 // {
569 // gLog.Error.WriteLine("Failed to update program with oid: '{0}'", p.OldProgram.oid);
570 // }
571 // else
572 // {
573 // gLog.Verbose.Info.WriteLine("Upated program with oid: '{0}'", p.OldProgram.oid);
574 // }
575 // source_update_index++;
576 // }
577 //}
578 //else
579 //{
580 // gLog.Info.WriteLine("No GB-PVR Programs needed to be updated.");
581 //}
582 //gLog.Info.WriteLine("Total XMLTV Programs: 0x{0:x8}", xmltv_programs.Count);
583 //gLog.Info.WriteLine("Updated: 0x{0:x8} GB-PVR Programs", source_valid.Count);
584 //gLog.Info.WriteLine("Removed: 0x{0:x8} GB-PVR Programs", source_invalid.Count);
585 //gLog.Info.WriteLine("Total GB-PVR Programs (Updated & Removed): 0x{0:x8}", source_valid.Count + source_invalid.Count);
586 #endregion
587
588 return source_valid;
589 }
590 #endregion
591
592
593 private string CreateConnectionString()
594 {
595 string connection_string = string.Format("Data Source={0}", this.Database);
596 return connection_string;
597 }
598
599 private SQLiteConnection CreateConnection() { SQLiteConnection connection = new SQLiteConnection(CreateConnectionString()); return connection; }
600
601 [Conditional("SQLLITE_CONNECTION_TEST")]
602 private void ConnectionTest()
603 {
604 try
605 {
606 using (SQLiteConnection con = CreateConnection())
607 {
608 con.Open();
609 string command_text = string.Format("select * from {0};", TABLES.CHANNEL);
610 gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
611 using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
612 {
613 using (SQLiteDataReader r = cmd.ExecuteReader())
614 {
615 if (!r.HasRows)
616 {
617 gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
618 }
619 else
620 {
621 while (r.Read())
622 {
623 for (int i = 0; i < r.FieldCount; i++)
624 {
625 string field_name = r.GetName(i);
626 Type field_type = r.GetFieldType(i);
627 object field_value = r.GetValue(i);
628 gLog.Verbose.Debug.WriteLine("Name: '{0}' Type: '{1}' Value: '{2}'", field_name, field_type.Name, field_value == null ? "null" : field_value.ToString());
629 }
630 break;
631 }
632 }
633 }
634 }
635 con.Clone();
636 }
637 OnCreatedInstance(this, new EventArgs());
638 }
639 catch (Exception ex)
640 {
641 gLog.Error.WriteLine(ex.ToString());
642 }
643 }
644
645
646 private bool CreateDatabaseBackup()
647 {
648 try
649 {
650 string backup_file = string.Format("{0}.{1}", this.Database, DateTime.Now.ToString("yyyyMMddHHmmss"));
651 gLog.Info.WriteLine("Creating Database backup...");
652 gLog.Info.WriteLine("\tSource: {0}", this.Database);
653 gLog.Info.WriteLine("\tDestination: {0}", backup_file);
654
655 System.IO.File.Copy(this.Database, backup_file);
656 return true;
657 }
658 catch (Exception ex)
659 {
660 gLog.Error.WriteLine(ex.ToString());
661 return false;
662 }
663 }
664 private void ReadChannelData()
665 {
666 try
667 {
668 List<ICHANNEL> channels = new List<ICHANNEL>();
669 using (SQLiteConnection con = CreateConnection())
670 {
671 try
672 {
673 con.Open();
674 string command_text = string.Format("select * from {0};", TABLES.CHANNEL);
675 gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
676 using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
677 {
678 using (SQLiteDataReader r = cmd.ExecuteReader())
679 {
680 if (!r.HasRows)
681 {
682 gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
683 }
684 else
685 {
686 while (r.Read())
687 {
688 CHANNEL channel = new CHANNEL();
689 for (int i = 0; i < r.FieldCount; i++)
690 {
691 CHANNEL.Create(ref channel, r, i);
692 }
693 channels.Add(channel);
694 }
695 }
696 }
697 }
698 }
699 catch (SQLiteException ex)
700 {
701 gLog.Error.WriteLine(ex.ToString());
702 }
703 finally
704 {
705 con.Close();
706 }
707 }
708 this.Channels = channels;
709 }
710 catch (Exception ex)
711 {
712 gLog.Error.WriteLine(ex.ToString());
713 }
714 }
715 private void ReadProgrammeData()
716 {
717 try
718 {
719 List<IPROGRAMME> programs = new List<IPROGRAMME>();
720 using (SQLiteConnection con = CreateConnection())
721 {
722 try
723 {
724 con.Open();
725 string command_text = string.Format("select * from {0};", TABLES.PROGRAMME);
726 gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
727 using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
728 {
729 using (SQLiteDataReader r = cmd.ExecuteReader())
730 {
731 if (!r.HasRows)
732 {
733 gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
734 }
735 else
736 {
737 while (r.Read())
738 {
739 PROGRAMME program = new PROGRAMME();
740 for (int i = 0; i < r.FieldCount; i++)
741 {
742 PROGRAMME.Create(ref program, r, i);
743 }
744 programs.Add(program);
745 }
746 }
747 }
748 }
749 }
750 catch (SQLiteException ex)
751 {
752 gLog.Error.WriteLine(ex.ToString());
753 }
754 finally
755 {
756 con.Close();
757 }
758 }
759 this.Programs = programs;
760 }
761 catch (Exception ex)
762 {
763 gLog.Error.WriteLine(ex.ToString());
764 }
765 }
766 private void ReadRecodringScheduleData()
767 {
768 try
769 {
770 List<IRECORDING_SCHEDULE> recordings = new List<IRECORDING_SCHEDULE>();
771 using (SQLiteConnection con = CreateConnection())
772 {
773 try
774 {
775 con.Open();
776 string command_text = string.Format("select * from {0};", TABLES.RECORDING_SCHEDULE);
777 gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
778 using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
779 {
780 using (SQLiteDataReader r = cmd.ExecuteReader())
781 {
782 if (!r.HasRows)
783 {
784 gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
785 }
786 else
787 {
788 while (r.Read())
789 {
790 RECORDING_SCHEDULE recording = new RECORDING_SCHEDULE();
791 for (int i = 0; i < r.FieldCount; i++)
792 {
793 RECORDING_SCHEDULE.Create(ref recording, r, i);
794 }
795 recordings.Add(recording);
796 }
797 }
798 }
799 }
800 }
801 catch (SQLiteException ex)
802 {
803 gLog.Error.WriteLine(ex.ToString());
804 }
805 finally
806 {
807 con.Close();
808 }
809 }
810 this.Recordings = recordings;
811 }
812 catch (Exception ex)
813 {
814 gLog.Error.WriteLine(ex.ToString());
815 }
816 }
817
818 public void RemoveOldGBPVRPrograms(List<SQLLITE.IPROGRAMME> programs)
819 {
820 gLog.Info.WriteLine("Removing all gbpvr programs.");
821 //double total = programs.Count;
822 //double index = 0;
823 //double progress = 0;
824 //foreach (var program in programs)
825 //{
826 // progress = 100.0 * (index / total);
827 // gLog.ReportProgress(this, new ReportProgressEventArgs((int)progress, string.Format("Removing GBPVR Programs: {0:00}%", (int)progress)));
828 // if (!RemoveProgramDatabaseEntry(program))
829 // {
830 // gLog.Error.WriteLine("Failed to remove program with oid: {0}", program.oid);
831 // }
832 // index++;
833 //}
834 Stopwatch st = new Stopwatch();
835 st.Start();
836 if (!RemoveAllProgramDatabaseEntries())
837 {
838 gLog.Error.WriteLine("Failed to remove one or more program(s)");
839 }
840 st.Stop();
841 gLog.Warn.WriteLine(" operation took: {0:0.00000} minutes", st.Elapsed.TotalMinutes);
842 }
843 public void UpdateGBPVRPrograms(List<IOldNewProgram> programs)
844 {
845
846 //double total = programs.Count;
847 //double index = 0;
848 //double progress = 0;
849 List<IPROGRAMME> new_program_list = new List<IPROGRAMME>();
850 foreach (var program in programs)
851 {
852 new_program_list.Add(program.NewProgram);
853 }
854 new_program_list.TrimExcess();
855 gLog.Info.WriteLine("Inserting {0} gbpvr programs.", new_program_list.ToArray().Count());
856 Stopwatch st = new Stopwatch();
857 st.Start();
858 if (!InsertProgramEntryDatabase(new_program_list))
859 {
860 gLog.Error.WriteLine("Failed to insert one or more program(s)");
861 }
862 //string command = BuildGBPVRMultiInsertCommand(new_program_list);
863 st.Stop();
864 gLog.Warn.WriteLine(" operation took: {0:0.00000} minutes", st.Elapsed.TotalMinutes);
865 }
866
867 private bool RemoveAllProgramDatabaseEntries()
868 {
869 bool result = false;
870 try
871 {
872 using (SQLiteConnection con = CreateConnection())
873 {
874 try
875 {
876 //gLog.Verbose.Info.WriteLine("Removing old program with oid: '{0}'", old_program.oid);
877 con.Open();
878 string command_text = string.Format(@"DELETE FROM [{0}];", TABLES.PROGRAMME);
879 //gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
880 using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
881 {
882 //cmd.Parameters.Add(new SQLiteParameter("oid", old_program.oid));
883 int rowsupdated = cmd.ExecuteNonQuery();
884 //gLog.Verbose.Info.WriteLine("Updated '{0}' rows", rowsupdated);
885 }
886 result = true;
887 }
888 catch (SQLiteException ex)
889 {
890 gLog.Error.WriteLine(ex.ToString());
891 result = false;
892 }
893 finally
894 {
895 con.Close();
896 }
897 }
898 }
899 catch (Exception ex)
900 {
901 gLog.Error.WriteLine(ex.ToString());
902 result = false;
903 }
904 return result;
905 }
906 private bool RemoveProgramDatabaseEntry(IPROGRAMME old_program)
907 {
908 bool result = false;
909 try
910 {
911 using (SQLiteConnection con = CreateConnection())
912 {
913 try
914 {
915 //gLog.Verbose.Info.WriteLine("Removing old program with oid: '{0}'", old_program.oid);
916 con.Open();
917 string command_text = string.Format(@"DELETE FROM [{0}] WHERE [oid] = @oid;", TABLES.PROGRAMME);
918 //gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
919 using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
920 {
921 cmd.Parameters.Add(new SQLiteParameter("oid", old_program.oid));
922 int rowsupdated = cmd.ExecuteNonQuery();
923 //gLog.Verbose.Info.WriteLine("Updated '{0}' rows", rowsupdated);
924 }
925 result = true;
926 }
927 catch (SQLiteException ex)
928 {
929 gLog.Error.WriteLine(ex.ToString());
930 result = false;
931 }
932 finally
933 {
934 con.Close();
935 }
936 }
937 }
938 catch (Exception ex)
939 {
940 gLog.Error.WriteLine(ex.ToString());
941 result = false;
942 }
943 return result;
944 }
945 private bool InsertProgramEntryDatabase(List<IPROGRAMME> list)
946 {
947 bool result = false;
948 try
949 {
950 using (SQLiteConnection con = CreateConnection())
951 {
952 try
953 {
954 //gLog.Verbose.Info.WriteLine("Updating old program with oid: '{0}'", new_program.oid);
955 con.Open();
956 //string command_text = string.Format(@"UPDATE [{0}] SET [name]=@name,[sub_title]=@subtitle, WHERE [OID] = @oid", TABLES.PROGRAMME);
957 string command_text = string.Empty;
958 command_text = BuildGBPVRMultiInsertCommand(list);
959 //gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
960 using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
961 {
962 int rowsupdated = cmd.ExecuteNonQuery();
963 //gLog.Verbose.Info.WriteLine("Updated '{0}' rows", rowsupdated);
964 }
965
966 result = true;
967 }
968 catch (SQLiteException ex)
969 {
970 gLog.Error.WriteLine(ex.ToString());
971 result = false;
972 }
973 finally
974 {
975 con.Close();
976 }
977 }
978 }
979 catch (Exception ex)
980 {
981 gLog.Error.WriteLine(ex.ToString());
982 result = false;
983 }
984 return result;
985 }
986
987 private string BuildGBPVRMultiInsertCommand(List<IPROGRAMME> list)
988 {
989 StringBuilder builder = new StringBuilder();
990 /*
991 insert into table1 (field1,field2) values (value1,value2);
992 insert into table1 (field1,field2) values (value1,value2);
993 insert into table1 (field1,field2) values (value1,value2);
994 insert into table1 (field1,field2) values (value1,value2)
995 */
996 foreach (var t in list)
997 {
998 builder.AppendLine(BuildGBPVRSingleInsertCommand(t));
999 }
1000 return builder.ToString();
1001 }
1002
1003 private string BuildGBPVRSingleInsertCommand(IPROGRAMME program)
1004 {
1005 StringBuilder builder = new StringBuilder();
1006 builder.AppendFormat("insert into {0} (oid,name,sub_title,description,start_time,end_time,channel_oid,unique_identifier,rating) values (", TABLES.PROGRAMME);
1007 builder.AppendFormat("{0},",program.oid);
1008 builder.AppendFormat("\"{0}\",", program.name);
1009 builder.AppendFormat("\"{0}\",", program.sub_title);
1010 builder.AppendFormat("\"{0}\",", program.description);
1011 builder.AppendFormat("'{0}',", program.start_time);
1012 builder.AppendFormat("'{0}',", program.end_time);
1013 builder.AppendFormat("{0},", program.channel_oid);
1014 builder.AppendFormat("\"{0}\",", program.unique_identifier);
1015 builder.AppendFormat("\"{0}\");", program.rating);
1016 return builder.ToString();
1017 }
1018
1019 }
1020 }

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