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

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Revision 229 - (hide annotations) (download)
Sun Mar 17 04:13:59 2013 UTC (6 years, 10 months ago) by william
File size: 57342 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 224 public interface ICloneable<T>
15     {
16     T Clone();
17     }
18 william 182 public interface IOldNewProgram
19     {
20     SQLLITE.IPROGRAMME OldProgram { get; }
21     SQLLITE.IPROGRAMME NewProgram { get; }
22     }
23 william 163 public interface ISQLLITE
24 william 156 {
25 william 163 List<SQLLITE.IPROGRAMME> Programs { get; }
26     List<SQLLITE.IRECORDING_SCHEDULE> Recordings { get; }
27     List<SQLLITE.ICHANNEL> Channels { get; }
28     IDateTimeRange GetProgramsDateRange(List<SQLLITE.IPROGRAMME> programs);
29 william 215 List<IOldNewProgram> FixGBPVRProgramsDatabase(List<SQLLITE.IPROGRAMME> gbpvr_programs, List<libxmltv.Interfaces.IProgramDefinition> xmltv_programs, out List<SQLLITE.IPROGRAMME> removed_programs);
30 william 163
31 william 183 void RemoveOldGBPVRPrograms(List<SQLLITE.IPROGRAMME> programs);
32 william 215 void UpdateGBPVRPrograms(List<IOldNewProgram> programs);
33 william 183
34 william 163 }
35     public class SQLLITE : ISQLLITE
36     {
37 william 182 private class OldNewProgram : IOldNewProgram
38 william 176 {
39 william 215 public OldNewProgram() : this(new PROGRAMME()) { }
40     public OldNewProgram(IPROGRAMME _old) : this(_old,_old) { }
41 william 180 public OldNewProgram(IPROGRAMME _old, IPROGRAMME _new) { OldProgram = _old; NewProgram = _new; }
42    
43     public IPROGRAMME OldProgram { get; private set; }
44     public IPROGRAMME NewProgram { get; private set; }
45 william 176 }
46 william 163 public static ISQLLITE Create(string database, EventHandler<EventArgs> OnInstanceCreated)
47     {
48     return new SQLLITE(database, OnInstanceCreated);
49     }
50    
51 william 156 #region DATABASE DEFINITIONS
52 william 224 #region BaseDatabaseDefinition
53 william 156 private static class BaseDatabaseDefinition<T>
54     {
55     public static void CreateDefault(T instance)
56     {
57     try
58     {
59     Type t = typeof(T);
60     var props = t.GetProperties();
61     foreach (var prop in props)
62     {
63     Type prop_type = prop.PropertyType;
64     object field_value = null;
65     try
66     {
67     if (prop_type == typeof(string))
68     {
69     field_value = string.Empty;
70     }
71     else
72     {
73     field_value = Activator.CreateInstance(prop_type);
74     }
75     }
76     catch (Exception ex)
77     {
78     throw ex;
79     }
80     prop.SetValue(instance, field_value, null);
81     }
82     }
83     catch (Exception ex)
84     {
85     throw ex;
86     }
87     }
88 william 221 public static void Create(T source, ref T destination)
89     {
90     Type t = source.GetType();
91     var props = t.GetProperties();
92     foreach (var prop in props)
93     {
94     try
95     {
96     object value = prop.GetValue(source, null);
97     prop.SetValue(destination, value, null);
98     }
99     catch (Exception ex)
100     {
101     throw ex;
102     }
103     }
104     }
105 william 156 public static void Create(ref T instance, SQLiteDataReader r, int index)
106 william 184 {
107 william 156 string field_name = r.GetName(index);
108     Type field_type = r.GetFieldType(index);
109     object field_value = r.GetValue(index);
110     //gLog.Verbose.Debug.WriteLine("Name: '{0}' Type: '{1}' Value: '{2}'", field_name, field_type.Name, field_value == null ? "null" : field_value.ToString());
111    
112     Type t = typeof(T);
113     var props = t.GetProperties();
114     foreach (var prop in props)
115     {
116     if (prop.Name.ToLower() == field_name.ToLower())
117     {
118     if (prop.PropertyType == field_type)
119     {
120     Type db_type = field_value.GetType();
121     try
122     {
123     if (db_type == typeof(System.DBNull))
124     {
125     prop.SetValue(instance, null, null);
126     }
127     else
128     {
129     prop.SetValue(instance, field_value, null);
130     }
131 william 184
132 william 156 }
133 william 184 catch (Exception ex)
134 william 156 {
135     throw ex;
136     }
137     }
138     else
139     {
140     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);
141     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));
142     }
143     }
144     }
145    
146     }
147     }
148 william 224 #endregion
149     public interface ICHANNEL : ICloneable<ICHANNEL>
150     {
151     Int64 oid { get; }
152     String name { get; }
153     String channelID { get; }
154     Int64 channel_number { get; }
155     String favourite_channel { get; }
156     String display_name { get; }
157     }
158     private class CHANNEL : ICHANNEL, ICloneable<CHANNEL>
159     {
160     public CHANNEL()
161     {
162     BaseDatabaseDefinition<CHANNEL>.CreateDefault(this);
163     }
164     //public RECORDING_SCHEDULE(SQLiteDataReader r, int index) { BaseDatabaseDefinition<RECORDING_SCHEDULE>.Create(this, r, index); }
165 william 156
166 william 224 public static void Create(ref CHANNEL instance, SQLiteDataReader r, int index)
167     {
168     BaseDatabaseDefinition<CHANNEL>.Create(ref instance, r, index);
169     }
170     #region ICHANNEL members
171     public Int64 oid { get; set; }
172     public String name { get; set; }
173     public String channelID { get; set; }
174     public Int64 channel_number { get; set; }
175     public String favourite_channel { get; set; }
176     public String display_name { get; set; }
177     #endregion
178    
179     ICHANNEL ICloneable<ICHANNEL>.Clone()
180     {
181     return Clone();
182     }
183     public CHANNEL Clone()
184     {
185     CHANNEL p = new CHANNEL();
186     BaseDatabaseDefinition<CHANNEL>.Create(this, ref p);
187     return p;
188     }
189     }
190     public interface IRECORDING_SCHEDULE : ICloneable<IRECORDING_SCHEDULE>
191 william 156 {
192 william 224 Int64 oid { get; }
193     Int64 programme_oid { get; }
194     Int64 capture_source_oid { get; }
195     Int16 status { get; }
196     String filename { get; }
197     Int64 recording_type { get; }
198     Int64 recording_group { get; }
199     DateTime manual_start_time { get; }
200     DateTime manual_end_time { get; }
201     Int64 manual_channel_oid { get; }
202     Int64 quality_level { get; }
203     Int64 pre_pad_minutes { get; }
204     Int64 post_pad_minutes { get; }
205     Int32 priority { get; }
206     String conversion_profile { get; }
207     }
208     private class RECORDING_SCHEDULE : IRECORDING_SCHEDULE, ICloneable<RECORDING_SCHEDULE>
209     {
210 william 184 public RECORDING_SCHEDULE()
211 william 156 {
212 william 184 BaseDatabaseDefinition<RECORDING_SCHEDULE>.CreateDefault(this);
213 william 156 }
214     //public RECORDING_SCHEDULE(SQLiteDataReader r, int index) { BaseDatabaseDefinition<RECORDING_SCHEDULE>.Create(this, r, index); }
215    
216     public static void Create(ref RECORDING_SCHEDULE instance, SQLiteDataReader r, int index)
217     {
218 william 184 BaseDatabaseDefinition<RECORDING_SCHEDULE>.Create(ref instance, r, index);
219 william 156 }
220 william 224 IRECORDING_SCHEDULE ICloneable<IRECORDING_SCHEDULE>.Clone()
221 william 221 {
222 william 224 return Clone();
223     }
224     public RECORDING_SCHEDULE Clone()
225     {
226 william 221 RECORDING_SCHEDULE p = new RECORDING_SCHEDULE();
227     BaseDatabaseDefinition<RECORDING_SCHEDULE>.Create(this, ref p);
228 william 224 return p;
229 william 221 }
230 william 156 #region IRECORDING_SCHEDULE members
231 william 184 public Int64 oid { get; set; }
232     public Int64 programme_oid { get; set; }
233     public Int64 capture_source_oid { get; set; }
234 william 156 public Int16 status { get; set; }
235     public String filename { get; set; }
236 william 184 public Int64 recording_type { get; set; }
237     public Int64 recording_group { get; set; }
238     public DateTime manual_start_time { get; set; }
239 william 156 public DateTime manual_end_time { get; set; }
240     public Int64 manual_channel_oid { get; set; }
241     public Int64 quality_level { get; set; }
242     public Int64 pre_pad_minutes { get; set; }
243     public Int64 post_pad_minutes { get; set; }
244     public Int32 priority { get; set; }
245     public String conversion_profile { get; set; }
246     #endregion
247 william 221
248    
249 william 156 }
250 william 224 public interface IPROGRAMME : IEquatable<IPROGRAMME>, ICloneable<IPROGRAMME>
251 william 184 {
252 william 168 Int64 oid { get; set; }
253     String name { get; set; }
254     String sub_title { get; set; }
255     String description { get; set; }
256     DateTime start_time { get; set; }
257     DateTime end_time { get; set; }
258     Int64 channel_oid { get; set; }
259     String unique_identifier { get; set; }
260     String rating { get; set; }
261 william 165
262 william 182 string ToString();
263 william 165 IProgramDefinition AsXMLTVProgramDefinition(ISQLLITE sqllite);
264 william 156 }
265 william 224 private class PROGRAMME : IPROGRAMME, ICloneable<PROGRAMME>
266 william 156 {
267 william 224
268     IPROGRAMME ICloneable<IPROGRAMME>.Clone()
269 william 221 {
270 william 224 return Clone();
271     }
272     public PROGRAMME Clone()
273     {
274 william 221 PROGRAMME p = new PROGRAMME();
275     BaseDatabaseDefinition<PROGRAMME>.Create(this, ref p);
276 william 224 return p;
277 william 221 }
278 william 184 public PROGRAMME()
279 william 156 {
280 william 184 BaseDatabaseDefinition<PROGRAMME>.CreateDefault(this);
281 william 156 }
282     //public PROGRAMME(SQLiteDataReader r, int index) : base(r, index) { }
283     public static void Create(ref PROGRAMME instance, SQLiteDataReader r, int index)
284     {
285     BaseDatabaseDefinition<PROGRAMME>.Create(ref instance, r, index);
286     }
287     #region IPROGRAMME members
288     public Int64 oid { get; set; }
289     public String name { get; set; }
290     public String sub_title { get; set; }
291     public String description { get; set; }
292     public DateTime start_time { get; set; }
293     public DateTime end_time { get; set; }
294     public Int64 channel_oid { get; set; }
295     public String unique_identifier { get; set; }
296     public String rating { get; set; }
297 william 165 public IProgramDefinition AsXMLTVProgramDefinition(ISQLLITE sqllite)
298     {
299     ProgramList.ProgramDefintion definition = new ProgramList.ProgramDefintion();
300 william 181
301 william 165 var channel = sqllite.Channels.Find(s => s.oid == this.channel_oid);
302 william 181 var channelname = channel.display_name;
303     var split = channelname.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
304     definition.ChannelNumber = Convert.ToInt32(split.First());
305     definition.ChannelName = string.IsNullOrEmpty(split.Last()) ? string.Empty : split.Last().ToString();
306 william 165 definition.Description = this.description;
307 william 168 definition.Start = this.start_time.ToDateTimeString();
308     definition.Stop = this.end_time.ToDateTimeString();
309 william 165 definition.SubTitle = this.sub_title;
310     definition.Title = this.name;
311 william 228 definition.Rating = this.rating;
312 william 165 return definition;
313     }
314 william 156 #endregion
315 william 182
316     public bool Equals(IPROGRAMME other)
317     {
318     return this.ToString() == other.ToString();
319     }
320     public override string ToString()
321     {
322     StringBuilder builder = new StringBuilder();
323    
324     builder.AppendFormat("oid: '{0}' ", oid);
325     builder.AppendFormat("name: '{0}' ", name);
326     builder.AppendFormat("sub_title: '{0}' ", sub_title);
327     builder.AppendFormat("description: '{0}' ", description);
328     builder.AppendFormat("start_time: '{0}' ", start_time.ToDateTimeString());
329     builder.AppendFormat("end_time: '{0}' ", end_time.ToDateTimeString());
330     builder.AppendFormat("channel_oid: '{0}' ", channel_oid);
331     builder.AppendFormat("unique_identifier: '{0}' ", unique_identifier);
332     builder.AppendFormat("rating: '{0}'", rating);
333    
334     return builder.ToString();
335     }
336     public override bool Equals(object obj)
337     {
338     if (obj == null) { throw new ArgumentNullException("obj", "Object to compare cannot be null"); }
339     if (obj.GetType().IsAssignableFrom(typeof(IPROGRAMME)))
340     {
341     return this.Equals((IPROGRAMME)obj);
342     }
343     return base.Equals(obj);
344     }
345     public override int GetHashCode()
346     {
347     return this.ToString().GetHashCode();
348     }
349 william 221
350 william 224
351    
352    
353    
354    
355    
356    
357 william 156 }
358     #endregion
359     private static class TABLES
360     {
361     public const string RECORDING_SCHEDULE = "RECORDING_SCHEDULE";
362     public const string PROGRAMME = "PROGRAMME";
363 william 159 public const string CHANNEL = "CHANNEL";
364 william 156 }
365 william 203 private string DATABASE_BACKUP_FILE = string.Empty;
366 william 156 //public SQLLite() { }
367 william 184 protected SQLLITE(string database, EventHandler<EventArgs> OnInstanceCreated)
368 william 156 {
369     this.OnInstanceCreated = OnInstanceCreated;
370     //CreateConnection(database);
371     this.Database = database;
372 william 157 if (!CreateDatabaseBackup())
373     {
374     gLog.Error.WriteLine("Failed to backup database.");
375     return;
376     }
377 william 156 ConnectionTest();
378 william 159 ReadChannelData();
379 william 156 ReadRecodringScheduleData();
380     ReadProgrammeData();
381     OnCreatedInstance(this, new EventArgs());
382     }
383    
384     [NonSerialized]
385     private EventHandler<EventArgs> _OnInstanceCreated;
386     private EventHandler<EventArgs> OnInstanceCreated { get { return _OnInstanceCreated; } set { _OnInstanceCreated = value; } }
387 william 184
388 william 156 private void OnCreatedInstance(object sender, EventArgs e)
389     {
390     if (OnInstanceCreated != null) { OnInstanceCreated.Invoke(sender, e); }
391     }
392    
393     private string Database;
394 william 184 #region ISQLLITE members
395 william 156 public List<IPROGRAMME> Programs { get; private set; }
396     public List<IRECORDING_SCHEDULE> Recordings { get; private set; }
397 william 159 public List<ICHANNEL> Channels { get; private set; }
398 william 163
399     public IDateTimeRange GetProgramsDateRange(List<SQLLITE.IPROGRAMME> programs)
400     {
401     var list = new List<IPROGRAMME>(programs.ToArray());
402     DateTime first = new DateTime();
403     DateTime last = new DateTime();
404 william 184 first = list.OrderBy(s => s.start_time).ToList().First().start_time;
405 william 163 last = list.OrderBy(s => s.start_time).ToList().Last().start_time;
406 william 167 gLog.Verbose.Debug.WriteLine("\tFirst: {0} = ({1})", first.ToString("yyyy/MM/dd HH:mm:ss.fffffff"), first.ToDateTimeString());
407     gLog.Verbose.Debug.WriteLine("\tLast: {0} = ({1})", last.ToString("yyyy/MM/dd HH:mm:ss.fffffff"), last.ToDateTimeString());
408 william 163 var range = DateTimeRange.Create(first, last);
409     return range;
410     }
411    
412 william 215 public List<IOldNewProgram> FixGBPVRProgramsDatabase(List<SQLLITE.IPROGRAMME> gbpvr_programs, List<libxmltv.Interfaces.IProgramDefinition> xmltv_programs, out List<SQLLITE.IPROGRAMME> source_invalid)
413 william 163 {
414 william 169 source_invalid = new List<IPROGRAMME>();
415 william 215 List<IOldNewProgram> source_valid = new List<IOldNewProgram>();
416 william 180 gbpvr_programs = gbpvr_programs.OrderBy(s => s.start_time).ToList();
417     xmltv_programs = xmltv_programs.OrderBy(s => DateTime.Parse(s.Start)).ToList();
418     gbpvr_programs.TrimExcess();
419     xmltv_programs.TrimExcess();
420 william 176
421 william 229 int updated_program_count = 0;
422 william 168 double total = gbpvr_programs.Count;
423 william 166 double index = 0;
424     double progress = 0;
425 william 168 foreach (var program in gbpvr_programs)
426 william 180 {
427 william 169 progress = 100.0 * (index / total);
428 william 184 gLog.ReportProgress(this, new ReportProgressEventArgs((int)progress, string.Format("Filtering GBPVR Programs: {0:00}%", (int)progress)));
429 william 180 // find an entry in xmltv_programs by Channel Number & StartDate
430     var program_xmltv_entry = program.AsXMLTVProgramDefinition(this);
431     var xmltv_entry = xmltv_programs.Find(s => s.ChannelNumber == program_xmltv_entry.ChannelNumber && s.Start == program_xmltv_entry.Start);
432 william 168 if (xmltv_entry == null)
433 william 163 {
434 william 180 // xmltv entry was not found
435     source_invalid.Add(program);
436 william 163 }
437 william 164 else
438     {
439 william 180 // check if the xmltv entry has different data from the current program
440 william 184 if (!xmltv_entry.Equals(program_xmltv_entry))
441 william 172 {
442 william 225 // data is different
443 william 224 var updated_program = program.Clone();
444 william 182
445     if (program_xmltv_entry.Title != xmltv_entry.Title)
446 william 180 {
447 william 182 gLog.Verbose.Warn.WriteLine(" Program oid: '{0}' - replacing title", updated_program.oid);
448     updated_program.name = xmltv_entry.Title;
449 william 180 }
450 william 182 if (program_xmltv_entry.SubTitle != xmltv_entry.SubTitle)
451     {
452     gLog.Verbose.Warn.WriteLine(" Program oid: '{0}' - replacing sub_title", updated_program.oid);
453     updated_program.sub_title = xmltv_entry.SubTitle;
454     }
455     if (program_xmltv_entry.Stop != xmltv_entry.Stop)
456     {
457     gLog.Verbose.Warn.WriteLine(" Program oid: '{0}' - replacing end_time", updated_program.oid);
458     updated_program.end_time = DateTime.Parse(xmltv_entry.Stop);
459     }
460     if (program_xmltv_entry.Start != xmltv_entry.Start)
461     {
462     gLog.Verbose.Warn.WriteLine(" Program oid: '{0}' - replacing start_time", updated_program.oid);
463     updated_program.start_time = DateTime.Parse(xmltv_entry.Start);
464     }
465     if (program_xmltv_entry.Description != xmltv_entry.Description)
466     {
467     gLog.Verbose.Warn.WriteLine(" Program oid: '{0}' - replacing description", updated_program.oid);
468     updated_program.description = xmltv_entry.Description;
469     }
470    
471 william 228 if(program_xmltv_entry.Rating != xmltv_entry.Rating)
472     {
473     gLog.Verbose.Warn.WriteLine(" Program oid: '{0}' - replacing rating", updated_program.oid);
474     updated_program.rating = xmltv_entry.Rating;
475     }
476    
477 william 182 var updated_xmltv_entry = updated_program.AsXMLTVProgramDefinition(this);
478     if (!xmltv_entry.Equals(updated_xmltv_entry))
479     {
480     throw new Exception(string.Format("Program oid '{0}' was not properly updated.", updated_program.oid));
481     }
482 william 196 //source_valid.Add(new OldNewProgram(program, updated_program));
483 william 215 source_valid.Add(new OldNewProgram(program, updated_program));
484 william 229 updated_program_count++;
485 william 172 }
486 william 176 else
487     {
488 william 180 // data is the same
489 william 196 //source_valid.Add(new OldNewProgram(program, program));
490 william 215 source_valid.Add(new OldNewProgram(program));
491 william 176 }
492     }
493 william 181 index++;
494 william 176 }
495 william 192 gLog.Info.WriteLine("Total XMLTV Programs: 0x{0:x8}", xmltv_programs.Count);
496     gLog.Info.WriteLine("Total Valid GB-PVR Programs: 0x{0:x8}", source_valid.Count);
497     gLog.Info.WriteLine("Total Invalid GB-PVR Programs: 0x{0:x8}", source_invalid.Count);
498     gLog.Info.WriteLine("Total GB-PVR Programs (Valid+Invalid): 0x{0:x8} == 0x{1:x8}", source_valid.Count + source_invalid.Count, gbpvr_programs.Count);
499 william 229 gLog.Info.WriteLine("GB-PVR Programs needing an update: 0x{0:x8}", updated_program_count);
500 william 180 #region old-code
501     //List<OldNewProgram> source_update = new List<OldNewProgram>();
502     ////if (range == null)
503     ////{
504     //// gLog.Warn.WriteLine("The DateTimeRange passed in is null...returning the original program list");
505     //// return list;
506     ////}
507     ////gLog.Warn.WriteLine("FilterProgramsByDateRange has not been implemented");
508     //double total = gbpvr_programs.Count;
509     //double index = 0;
510     //double progress = 0;
511     //foreach (var program in gbpvr_programs)
512     //{
513     // progress = 100.0 * (index / total);
514     // gLog.ReportProgress(this, new ReportProgressEventArgs((int)progress, string.Format("Filtering GBPVR Programs: {0:00}%", (int)progress)));
515     // var channel_oid = program.channel_oid;
516     // var channel = this.Channels.Find(s => s.oid == channel_oid);
517     // var start_date = program.start_time;
518     // //var xmltv_entry_list = xmltv_programs.FindAll(s => s.ChannelNumber == channel.channel_number && s.Start == start_date.ToDateTimeString());
519     // var query = from c in xmltv_programs
520     // where
521     // c.ChannelNumber == channel.channel_number &&
522     // c.Start == start_date.ToDateTimeString()
523     // select c;
524     // IProgramDefinition xmltv_entry = null;
525     // if (query.Count()-1 > 0)
526     // {
527     // gLog.Verbose.Error.WriteLine("Found more than one entry: Matching channel='{0}' and start='{1}'", channel.channel_number, start_date.ToDateTimeString());
528     // 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);
529     // if (Debugger.IsAttached)
530     // {
531     // gLog.Error.WriteLine(" Found: {0} matching entries", query.Count());
532     // int k_index = 0;
533     // foreach (var k in query)
534     // {
535     // 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);
536     // k_index++;
537     // }
538     // Debugger.Break();
539     // }
540     // }
541     // else
542     // {
543     // xmltv_entry = query.FirstOrDefault();
544     // }
545     // if (xmltv_entry == null)
546     // {
547     // //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());
548     // source_invalid.Add(program);
549     // }
550     // else
551     // {
552     // //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());
553     // var updated_program = program;
554     // bool needsupdate = false;
555     // if (xmltv_entry.Title != program.name)
556     // {
557     // //gLog.Verbose.Warn.WriteLine(" Updating:");
558     // //gLog.Verbose.Warn.WriteLine(" Old Title: {0}", program.name);
559     // //gLog.Verbose.Warn.WriteLine(" New Title: {0}", xmltv_entry.Title);
560     // updated_program.name = xmltv_entry.Title;
561     // needsupdate = true;
562     // }
563     // if (xmltv_entry.SubTitle != program.sub_title)
564     // {
565     // //gLog.Verbose.Warn.WriteLine(" Updating:");
566     // //gLog.Verbose.Warn.WriteLine(" Old SubTile: {0}", program.sub_title);
567     // //gLog.Verbose.Warn.WriteLine(" New SubTile: {0}", xmltv_entry.SubTitle);
568     // updated_program.sub_title = xmltv_entry.SubTitle;
569     // needsupdate = true;
570     // }
571     // if (xmltv_entry.Description != program.description)
572     // {
573     // //gLog.Verbose.Warn.WriteLine(" Updating:");
574     // //gLog.Verbose.Warn.WriteLine(" Old Descption: {0}", program.description);
575     // //gLog.Verbose.Warn.WriteLine(" New Descption: {0}", xmltv_entry.Description);
576     // updated_program.description = xmltv_entry.Description;
577     // needsupdate = true;
578     // }
579     // if (DateTime.Parse(xmltv_entry.Start) != program.start_time)
580     // {
581     // //gLog.Verbose.Warn.WriteLine(" Updating:");
582     // //gLog.Verbose.Warn.WriteLine(" Old StartTime: {0}", program.start_time.ToDateTimeString());
583     // //gLog.Verbose.Warn.WriteLine(" New StartTime: {0}", DateTime.Parse(xmltv_entry.Start).ToDateTimeString());
584     // updated_program.start_time = DateTime.Parse(xmltv_entry.Start);
585     // needsupdate = true;
586     // }
587     // if (DateTime.Parse(xmltv_entry.Stop) != program.end_time)
588     // {
589     // //gLog.Verbose.Warn.WriteLine(" Updating:");
590     // //gLog.Verbose.Warn.WriteLine(" Old EndTime: {0}", program.end_time.ToDateTimeString());
591     // //gLog.Verbose.Warn.WriteLine(" New EndTime: {0}", DateTime.Parse(xmltv_entry.Stop).ToDateTimeString());
592     // updated_program.end_time = DateTime.Parse(xmltv_entry.Stop);
593     // needsupdate = true;
594     // }
595     // if (needsupdate)
596     // {
597     // OldNewProgram p = new OldNewProgram();
598     // p.OldProgram = program;
599     // p.NewProgram = updated_program;
600     // source_update.Add(p);
601     // }
602     // source_valid.Add(updated_program);
603     // }
604     // index++;
605     //}
606     //source_valid = source_valid.OrderBy(s => s.channel_oid).ThenBy(s => s.start_time).ToList();
607     //source_invalid = source_invalid.OrderBy(s => s.channel_oid).ThenBy(s => s.start_time).ToList();
608     //if (source_invalid.Count > 0)
609     //{
610     // double source_invalid_count = source_valid.Count;
611     // double source_invalid_index = 0;
612     // double source_invalid_progress = 0;
613     // foreach (var old_program in source_invalid)
614     // {
615     // source_invalid_progress = 100.0 * (source_invalid_index / source_invalid_count);
616     // gLog.ReportProgress(this, new ReportProgressEventArgs((int)source_invalid_progress, string.Format("Removing old GBPVR Programs: {0:00}%", (int)source_invalid_progress)));
617     // // remove database entry
618     // if (!RemoveProgramDatabaseEntry(old_program))
619     // {
620     // gLog.Error.WriteLine("Failed to remove program with oid: '{0}'", old_program.oid);
621     // }
622     // else
623     // {
624     // gLog.Verbose.Info.WriteLine("Removed program with oid: '{0}'", old_program.oid);
625     // }
626     // source_invalid_index++;
627     // }
628     //}
629     //else
630     //{
631     // gLog.Info.WriteLine("No old GB-PVR Programs needed to be removed.");
632     //}
633     //if (source_update.Count > 0)
634     //{
635     // double source_update_count = source_valid.Count;
636     // double source_update_index = 0;
637     // double source_update_progress = 0;
638     // foreach (var p in source_update)
639     // {
640     // source_update_progress = 100.0 * (source_update_index / source_update_count);
641     // gLog.ReportProgress(this, new ReportProgressEventArgs((int)source_update_progress, string.Format("Updating GBPVR Programs: {0:00}%", (int)source_update_progress)));
642     // // remove database entry
643     // if (!UpdateProgramDatabaseEntry(p.OldProgram,p.NewProgram))
644     // {
645     // gLog.Error.WriteLine("Failed to update program with oid: '{0}'", p.OldProgram.oid);
646     // }
647     // else
648     // {
649     // gLog.Verbose.Info.WriteLine("Upated program with oid: '{0}'", p.OldProgram.oid);
650     // }
651     // source_update_index++;
652     // }
653     //}
654     //else
655     //{
656     // gLog.Info.WriteLine("No GB-PVR Programs needed to be updated.");
657     //}
658     //gLog.Info.WriteLine("Total XMLTV Programs: 0x{0:x8}", xmltv_programs.Count);
659     //gLog.Info.WriteLine("Updated: 0x{0:x8} GB-PVR Programs", source_valid.Count);
660     //gLog.Info.WriteLine("Removed: 0x{0:x8} GB-PVR Programs", source_invalid.Count);
661     //gLog.Info.WriteLine("Total GB-PVR Programs (Updated & Removed): 0x{0:x8}", source_valid.Count + source_invalid.Count);
662     #endregion
663 william 176
664 william 166 return source_valid;
665 william 163 }
666 william 156 #endregion
667    
668    
669     private string CreateConnectionString()
670     {
671     string connection_string = string.Format("Data Source={0}", this.Database);
672     return connection_string;
673     }
674    
675     private SQLiteConnection CreateConnection() { SQLiteConnection connection = new SQLiteConnection(CreateConnectionString()); return connection; }
676    
677     [Conditional("SQLLITE_CONNECTION_TEST")]
678     private void ConnectionTest()
679     {
680     try
681     {
682     using (SQLiteConnection con = CreateConnection())
683     {
684     con.Open();
685 william 159 string command_text = string.Format("select * from {0};", TABLES.CHANNEL);
686 william 156 gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
687     using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
688     {
689     using (SQLiteDataReader r = cmd.ExecuteReader())
690     {
691     if (!r.HasRows)
692     {
693     gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
694     }
695     else
696     {
697     while (r.Read())
698     {
699     for (int i = 0; i < r.FieldCount; i++)
700     {
701     string field_name = r.GetName(i);
702     Type field_type = r.GetFieldType(i);
703     object field_value = r.GetValue(i);
704     gLog.Verbose.Debug.WriteLine("Name: '{0}' Type: '{1}' Value: '{2}'", field_name, field_type.Name, field_value == null ? "null" : field_value.ToString());
705     }
706     break;
707     }
708     }
709     }
710     }
711 william 157 con.Clone();
712 william 156 }
713     OnCreatedInstance(this, new EventArgs());
714     }
715     catch (Exception ex)
716     {
717     gLog.Error.WriteLine(ex.ToString());
718     }
719     }
720    
721 william 157
722     private bool CreateDatabaseBackup()
723     {
724     try
725     {
726     string backup_file = string.Format("{0}.{1}", this.Database, DateTime.Now.ToString("yyyyMMddHHmmss"));
727     gLog.Info.WriteLine("Creating Database backup...");
728     gLog.Info.WriteLine("\tSource: {0}", this.Database);
729     gLog.Info.WriteLine("\tDestination: {0}", backup_file);
730    
731     System.IO.File.Copy(this.Database, backup_file);
732 william 203 DATABASE_BACKUP_FILE = backup_file;
733 william 157 return true;
734     }
735     catch (Exception ex)
736     {
737     gLog.Error.WriteLine(ex.ToString());
738     return false;
739     }
740     }
741 william 159 private void ReadChannelData()
742     {
743     try
744     {
745     List<ICHANNEL> channels = new List<ICHANNEL>();
746     using (SQLiteConnection con = CreateConnection())
747     {
748 william 184 try
749 william 159 {
750 william 184 con.Open();
751     string command_text = string.Format("select * from {0};", TABLES.CHANNEL);
752     gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
753     using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
754 william 159 {
755 william 184 using (SQLiteDataReader r = cmd.ExecuteReader())
756 william 159 {
757 william 184 if (!r.HasRows)
758 william 159 {
759 william 184 gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
760     }
761     else
762     {
763     while (r.Read())
764 william 159 {
765 william 184 CHANNEL channel = new CHANNEL();
766     for (int i = 0; i < r.FieldCount; i++)
767     {
768     CHANNEL.Create(ref channel, r, i);
769     }
770     channels.Add(channel);
771 william 159 }
772     }
773     }
774     }
775     }
776 william 184 catch (SQLiteException ex)
777     {
778     gLog.Error.WriteLine(ex.ToString());
779     }
780     finally
781     {
782     con.Close();
783     }
784 william 159 }
785     this.Channels = channels;
786     }
787     catch (Exception ex)
788     {
789     gLog.Error.WriteLine(ex.ToString());
790     }
791     }
792 william 156 private void ReadProgrammeData()
793     {
794     try
795     {
796     List<IPROGRAMME> programs = new List<IPROGRAMME>();
797     using (SQLiteConnection con = CreateConnection())
798     {
799 william 184 try
800 william 156 {
801 william 184 con.Open();
802     string command_text = string.Format("select * from {0};", TABLES.PROGRAMME);
803     gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
804     using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
805 william 156 {
806 william 184 using (SQLiteDataReader r = cmd.ExecuteReader())
807 william 156 {
808 william 184 if (!r.HasRows)
809 william 156 {
810 william 184 gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
811     }
812     else
813     {
814     while (r.Read())
815 william 156 {
816 william 184 PROGRAMME program = new PROGRAMME();
817     for (int i = 0; i < r.FieldCount; i++)
818     {
819     PROGRAMME.Create(ref program, r, i);
820     }
821     programs.Add(program);
822 william 156 }
823     }
824     }
825     }
826     }
827 william 184 catch (SQLiteException ex)
828     {
829     gLog.Error.WriteLine(ex.ToString());
830     }
831     finally
832     {
833     con.Close();
834     }
835 william 156 }
836     this.Programs = programs;
837     }
838     catch (Exception ex)
839     {
840     gLog.Error.WriteLine(ex.ToString());
841     }
842     }
843     private void ReadRecodringScheduleData()
844     {
845     try
846     {
847     List<IRECORDING_SCHEDULE> recordings = new List<IRECORDING_SCHEDULE>();
848     using (SQLiteConnection con = CreateConnection())
849     {
850 william 184 try
851 william 156 {
852 william 184 con.Open();
853     string command_text = string.Format("select * from {0};", TABLES.RECORDING_SCHEDULE);
854     gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
855     using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
856 william 156 {
857 william 184 using (SQLiteDataReader r = cmd.ExecuteReader())
858 william 156 {
859 william 184 if (!r.HasRows)
860 william 156 {
861 william 184 gLog.Warn.WriteLine("Query: '{0}' returned no rows.", cmd.CommandText);
862     }
863     else
864     {
865     while (r.Read())
866 william 156 {
867 william 184 RECORDING_SCHEDULE recording = new RECORDING_SCHEDULE();
868     for (int i = 0; i < r.FieldCount; i++)
869     {
870     RECORDING_SCHEDULE.Create(ref recording, r, i);
871     }
872     recordings.Add(recording);
873 william 156 }
874     }
875     }
876     }
877     }
878 william 184 catch (SQLiteException ex)
879     {
880     gLog.Error.WriteLine(ex.ToString());
881     }
882     finally
883     {
884     con.Close();
885     }
886 william 156 }
887     this.Recordings = recordings;
888     }
889     catch (Exception ex)
890     {
891     gLog.Error.WriteLine(ex.ToString());
892     }
893     }
894 william 159
895 william 183 public void RemoveOldGBPVRPrograms(List<SQLLITE.IPROGRAMME> programs)
896 william 190 {
897 william 217 gLog.Info.WriteLine("Removing {0} gbpvr programs.", programs.Count);
898 william 220 int ChunkSize = 1024;
899 william 211 var ChunkList = programs.Chunk<IPROGRAMME>(ChunkSize);
900 william 208 double total = programs.Count;
901     double index = 0;
902     double progress = 0;
903 william 211 Stopwatch st1 = new Stopwatch();
904     st1.Start();
905     foreach (var p in ChunkList)
906 william 190 {
907 william 208 progress = 100.0 * (index / total);
908 william 211 if (!RemoveProgramDatabaseEntry(p))
909 william 208 {
910 william 211 gLog.Error.WriteLine("Failed to remove one or more program(s)");
911 william 208 }
912 william 218 gLog.ReportProgress(this, new ReportProgressEventArgs((int)progress, string.Format("Removing old gbpvr programs ({0} of {1}) {2:00}%", index, total, (int)progress)));
913 william 211 index += (double)p.Count();
914 william 190 }
915 william 219 gLog.ReportProgress(this, new ReportProgressEventArgs((int)progress, string.Format("Removing old gbpvr programs ({0} of {1}) {2:00}%", index, total, (int)progress)));
916 william 211 st1.Stop();
917     gLog.Warn.WriteLine(" operation took: {0:0.00000} seconds overall", st1.Elapsed.TotalSeconds);
918 william 183 }
919 william 215 public void UpdateGBPVRPrograms(List<IOldNewProgram> programs)
920 william 183 {
921 william 217 gLog.Info.WriteLine("Updating {0} gbpvr programs.", programs.Count);
922 william 223 int ChunkSize = 4096;
923 william 215 var ChunkList = programs.Chunk<IOldNewProgram>(ChunkSize);
924 william 193
925 william 199 double total = programs.Count;
926     double index = 0;
927 william 208 double progress = 0;
928 william 199 Stopwatch st1 = new Stopwatch();
929     st1.Start();
930 william 196 foreach (var p in ChunkList)
931 william 189 {
932 william 208 progress = 100.0 * (index / total);
933     if (!UpdateProgramEntryDatabase(p))
934 william 193 {
935 william 208 gLog.Error.WriteLine("Failed to update one or more program(s)");
936 william 196 }
937 william 218 gLog.ReportProgress(this, new ReportProgressEventArgs((int)progress, string.Format("Updating gbpvr programs ({0} of {1}) {2:00}%", index, total, (int)progress)));
938 william 201 index += (double)p.Count();
939 william 195 }
940 william 219 gLog.ReportProgress(this, new ReportProgressEventArgs((int)progress, string.Format("Updating gbpvr programs ({0} of {1}) {2:00}%", index, total, (int)progress)));
941 william 199 st1.Stop();
942 william 208 gLog.Warn.WriteLine(" operation took: {0:0.00000} seconds overall", st1.Elapsed.TotalSeconds);
943 william 183 }
944 william 174
945 william 186 private bool RemoveAllProgramDatabaseEntries()
946     {
947     bool result = false;
948     try
949     {
950     using (SQLiteConnection con = CreateConnection())
951     {
952     try
953     {
954     //gLog.Verbose.Info.WriteLine("Removing old program with oid: '{0}'", old_program.oid);
955     con.Open();
956     string command_text = string.Format(@"DELETE FROM [{0}];", TABLES.PROGRAMME);
957     //gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
958     using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
959     {
960     //cmd.Parameters.Add(new SQLiteParameter("oid", old_program.oid));
961     int rowsupdated = cmd.ExecuteNonQuery();
962     //gLog.Verbose.Info.WriteLine("Updated '{0}' rows", rowsupdated);
963     }
964     result = true;
965     }
966     catch (SQLiteException ex)
967     {
968     gLog.Error.WriteLine(ex.ToString());
969     result = false;
970     }
971     finally
972     {
973     con.Close();
974     }
975     }
976     }
977     catch (Exception ex)
978     {
979     gLog.Error.WriteLine(ex.ToString());
980     result = false;
981     }
982     return result;
983     }
984 william 211 private bool RemoveProgramDatabaseEntry(IEnumerable<IPROGRAMME> list)
985 william 174 {
986     bool result = false;
987 william 183 try
988     {
989     using (SQLiteConnection con = CreateConnection())
990     {
991     try
992     {
993 william 211 //gLog.Verbose.Info.WriteLine("Updating old program with oid: '{0}'", new_program.oid);
994 william 183 con.Open();
995 william 211 //string command_text = string.Format(@"UPDATE [{0}] SET [name]=@name,[sub_title]=@subtitle, WHERE [OID] = @oid", TABLES.PROGRAMME);
996     string command_text = string.Empty;
997     command_text = BuildGBPVRMultiDeleteCommand(list);
998 william 185 //gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
999 william 183 using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
1000     {
1001     int rowsupdated = cmd.ExecuteNonQuery();
1002 william 185 //gLog.Verbose.Info.WriteLine("Updated '{0}' rows", rowsupdated);
1003 william 183 }
1004 william 211
1005 william 183 result = true;
1006     }
1007     catch (SQLiteException ex)
1008     {
1009     gLog.Error.WriteLine(ex.ToString());
1010     result = false;
1011     }
1012 william 184 finally
1013     {
1014     con.Close();
1015     }
1016 william 183 }
1017     }
1018     catch (Exception ex)
1019     {
1020     gLog.Error.WriteLine(ex.ToString());
1021     result = false;
1022     }
1023 william 174 return result;
1024     }
1025 william 215 private bool UpdateProgramEntryDatabase(IEnumerable<IOldNewProgram> list)
1026 william 208 {
1027     bool result = false;
1028     try
1029     {
1030     using (SQLiteConnection con = CreateConnection())
1031     {
1032     try
1033     {
1034     //gLog.Verbose.Info.WriteLine("Updating old program with oid: '{0}'", new_program.oid);
1035     con.Open();
1036     //string command_text = string.Format(@"UPDATE [{0}] SET [name]=@name,[sub_title]=@subtitle, WHERE [OID] = @oid", TABLES.PROGRAMME);
1037     string command_text = string.Empty;
1038     command_text = BuildGBPVRMultiUpdateCommand(list);
1039     //gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
1040     using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
1041     {
1042     int rowsupdated = cmd.ExecuteNonQuery();
1043     //gLog.Verbose.Info.WriteLine("Updated '{0}' rows", rowsupdated);
1044     }
1045    
1046     result = true;
1047     }
1048     catch (SQLiteException ex)
1049     {
1050     gLog.Error.WriteLine(ex.ToString());
1051     result = false;
1052     }
1053     finally
1054     {
1055     con.Close();
1056     }
1057     }
1058     }
1059     catch (Exception ex)
1060     {
1061     gLog.Error.WriteLine(ex.ToString());
1062     result = false;
1063     }
1064     return result;
1065     }
1066 william 201 private bool InsertProgramEntryDatabase(IEnumerable<IPROGRAMME> list)
1067 william 186 {
1068     bool result = false;
1069     try
1070     {
1071     using (SQLiteConnection con = CreateConnection())
1072     {
1073     try
1074     {
1075     //gLog.Verbose.Info.WriteLine("Updating old program with oid: '{0}'", new_program.oid);
1076     con.Open();
1077     //string command_text = string.Format(@"UPDATE [{0}] SET [name]=@name,[sub_title]=@subtitle, WHERE [OID] = @oid", TABLES.PROGRAMME);
1078     string command_text = string.Empty;
1079 william 189 command_text = BuildGBPVRMultiInsertCommand(list);
1080 william 186 //gLog.Verbose.Debug.WriteLine("Executing Command: '{0}'", command_text);
1081     using (SQLiteCommand cmd = new SQLiteCommand(command_text, con))
1082 william 189 {
1083 william 186 int rowsupdated = cmd.ExecuteNonQuery();
1084     //gLog.Verbose.Info.WriteLine("Updated '{0}' rows", rowsupdated);
1085     }
1086    
1087     result = true;
1088     }
1089     catch (SQLiteException ex)
1090     {
1091     gLog.Error.WriteLine(ex.ToString());
1092     result = false;
1093     }
1094     finally
1095     {
1096     con.Close();
1097     }
1098     }
1099     }
1100     catch (Exception ex)
1101     {
1102     gLog.Error.WriteLine(ex.ToString());
1103     result = false;
1104     }
1105     return result;
1106     }
1107 william 211
1108     #region Multi-Delete Command Support
1109     private string BuildGBPVRMultiDeleteCommand(IEnumerable<IPROGRAMME> list)
1110     {
1111     StringBuilder builder = new StringBuilder();
1112     /*
1113     insert into table1 (field1,field2) values (value1,value2);
1114     insert into table1 (field1,field2) values (value1,value2);
1115     insert into table1 (field1,field2) values (value1,value2);
1116     insert into table1 (field1,field2) values (value1,value2)
1117     */
1118     builder.AppendLine("begin transaction;");
1119     foreach (var t in list)
1120     {
1121     builder.AppendLine(BuildGBPVRSingleDeleteCommand(t));
1122     }
1123     builder.AppendLine("end transaction;");
1124     return builder.ToString();
1125     }
1126     private string BuildGBPVRSingleDeleteCommand(IPROGRAMME program)
1127     {
1128     StringBuilder builder = new StringBuilder();
1129     builder.AppendFormat("delete from {0} where oid={1};", TABLES.PROGRAMME, program.oid);
1130     return builder.ToString();
1131     }
1132     #endregion
1133 william 208 #region Multi-Update Command Support
1134 william 215 private string BuildGBPVRMultiUpdateCommand(IEnumerable<IOldNewProgram> list)
1135 william 208 {
1136     StringBuilder builder = new StringBuilder();
1137     /*
1138     insert into table1 (field1,field2) values (value1,value2);
1139     insert into table1 (field1,field2) values (value1,value2);
1140     insert into table1 (field1,field2) values (value1,value2);
1141     insert into table1 (field1,field2) values (value1,value2)
1142     */
1143     builder.AppendLine("begin transaction;");
1144     foreach (var t in list)
1145     {
1146 william 216 if (!t.OldProgram.Equals(t.NewProgram))
1147 william 215 {
1148 william 216 // only update the entry if it is different
1149 william 215 builder.AppendLine(BuildGBPVRSingleUpdateCommand(t.NewProgram));
1150     }
1151 william 208 }
1152     builder.AppendLine("end transaction;");
1153     return builder.ToString();
1154     }
1155     private string BuildGBPVRSingleUpdateCommand(IPROGRAMME program)
1156     {
1157     StringBuilder builder = new StringBuilder();
1158     builder.AppendFormat("update {0} SET ", TABLES.PROGRAMME);
1159     builder.AppendFormat("name=\"{0}\", ", program.name);
1160     builder.AppendFormat("sub_title=\"{0}\", ", program.sub_title);
1161     builder.AppendFormat("description=\"{0}\", ", program.description);
1162 william 226 builder.AppendFormat("start_time='{0}', ", program.start_time.ToString("yyyy-MM-dd HH:mm:ss.fffffff"));
1163     builder.AppendFormat("end_time='{0}', ", program.end_time.ToString("yyyy-MM-dd HH:mm:ss.fffffff"));
1164 william 208 builder.AppendFormat("channel_oid={0}, ", program.channel_oid);
1165     builder.AppendFormat("unique_identifier=\"{0}\", ", program.unique_identifier);
1166     builder.AppendFormat("rating=\"{0}\" ", program.rating);
1167 william 209 builder.AppendFormat("where oid={0};", program.oid);
1168 william 208 return builder.ToString();
1169     }
1170     #endregion
1171     #region Multi-Insert Command Support
1172 william 201 private string BuildGBPVRMultiInsertCommand(IEnumerable<IPROGRAMME> list)
1173 william 174 {
1174 william 189 StringBuilder builder = new StringBuilder();
1175     /*
1176     insert into table1 (field1,field2) values (value1,value2);
1177     insert into table1 (field1,field2) values (value1,value2);
1178     insert into table1 (field1,field2) values (value1,value2);
1179     insert into table1 (field1,field2) values (value1,value2)
1180     */
1181 william 194 builder.AppendLine("begin transaction;");
1182 william 189 foreach (var t in list)
1183 william 183 {
1184 william 189 builder.AppendLine(BuildGBPVRSingleInsertCommand(t));
1185 william 183 }
1186 william 194 builder.AppendLine("end transaction;");
1187 william 189 return builder.ToString();
1188 william 174 }
1189 william 208
1190 william 189 private string BuildGBPVRSingleInsertCommand(IPROGRAMME program)
1191     {
1192     StringBuilder builder = new StringBuilder();
1193     builder.AppendFormat("insert into {0} (oid,name,sub_title,description,start_time,end_time,channel_oid,unique_identifier,rating) values (", TABLES.PROGRAMME);
1194     builder.AppendFormat("{0},",program.oid);
1195     builder.AppendFormat("\"{0}\",", program.name);
1196     builder.AppendFormat("\"{0}\",", program.sub_title);
1197     builder.AppendFormat("\"{0}\",", program.description);
1198 william 206 builder.AppendFormat("'{0}',", program.start_time.ToString("yyyy/MM/dd HH:mm:ss.fffffff"));
1199     builder.AppendFormat("'{0}',", program.end_time.ToString("yyyy/MM/dd HH:mm:ss.fffffff"));
1200 william 189 builder.AppendFormat("{0},", program.channel_oid);
1201     builder.AppendFormat("\"{0}\",", program.unique_identifier);
1202     builder.AppendFormat("\"{0}\");", program.rating);
1203     return builder.ToString();
1204     }
1205 william 208 #endregion
1206    
1207 william 156 }
1208     }

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