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TCSystemCS/MetaDataDB/DB2.cs at develop · tgoessler/TCSystemCS · GitHub
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DB2.cs
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// *******************************************************************************
//
// ******* *** *** *
// * * * *
// * * * *****
// * * *** * * ** * ** ***
// * * * * * * * **** * * *
// * * * * * * * * * * *
// * *** *** * ** ** ** * *
// *
// *******************************************************************************
// see https://github.com/tgoessler/TCSystemCS for details.
// Copyright (C) 2003 - 2026 Thomas Goessler. All Rights Reserved.
// *******************************************************************************
//
// TCSystem is the legal property of its developers.
// Please refer to the COPYRIGHT file distributed with this source distribution.
//
// *******************************************************************************
#region Usings
using
System
;
using
System
.
Collections
.
Concurrent
;
using
System
.
Collections
.
Generic
;
using
System
.
Data
;
using
Microsoft
.
Data
.
Sqlite
;
using
TCSystem
.
MetaData
;
#endregion
namespace
TCSystem
.
MetaDataDB
;
internal
sealed
class
DB2
:
IDB2
{
#region Public
public
void
EnableUnsafeMode
(
)
{
_instance
.
EnableUnsafeMode
(
)
;
}
public
void
EnableDefaultMode
(
)
{
_instance
.
EnableDefaultMode
(
)
;
}
public
long
GetNumFiles
(
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Files
.
GetNumFiles
(
)
;
}
}
public
long
GetNumTags
(
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Tags
.
GetNumTags
(
null
)
;
}
}
public
long
GetNumPersons
(
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Persons
.
GetNumPersons
(
null
)
;
}
}
public
long
GetNumLocations
(
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Locations
.
GetNumLocations
(
)
;
}
}
public
long
GetNumFaces
(
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Persons
.
GetNumFaces
(
)
;
}
}
public
long
GetNumAutoDetectedFaces
(
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Persons
.
GetNumAutoDetectedFaces
(
)
;
}
}
public
IList
<
string
>
GetAllFilesLike
(
string
filter
=
null
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Files
.
GetAllFilesLike
(
filter
)
;
}
}
public
IList
<
string
>
GetAllTagsLike
(
string
filter
=
null
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Tags
.
GetAllTagsLike
(
filter
)
;
}
}
public
IList
<
string
>
GetAllTagsLikeOrderByNewestFile
(
string
filter
=
null
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Tags
.
GetAllTagsLikeOrderByNewestFile
(
filter
)
;
}
}
public
IList
<
Address
>
GetAllAddressesLike
(
string
filter
=
null
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Locations
.
GetAllAddressesLike
(
filter
)
;
}
}
public
IList
<
string
>
GetAllPersonNamesLike
(
string
filter
=
null
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Persons
.
GetAllPersonNamesLike
(
filter
)
;
}
}
public
IList
<
DateTimeOffset
>
GetAllYears
(
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Data
.
GetAllYears
(
)
;
}
}
public
IList
<
Location
>
GetAllLocations
(
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Locations
.
GetAllLocations
(
)
;
}
}
public
IList
<
(
string
FileName
,
ProcessingInfos
ProcessingInfo
)
>
GetAllProcessingInformation
(
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Files
.
GetAllProcessingInformation
(
)
;
}
}
public
IDictionary
<
string
,
DateTimeOffset
>
GetAllFileAndModifiedDates
(
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Files
.
GetAllFileAndModifiedDates
(
)
;
}
}
public
IList
<
FaceInfo
>
GetAllFaceInfos
(
bool
visibleOnly
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Persons
.
GetAllFaceInfos
(
visibleOnly
)
;
}
}
public
Image
GetMetaData
(
string
fileName
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
Image
image
=
null
;
long
fileId
=
acquiredInstance
.
Instance
.
Files
.
GetFileId
(
fileName
,
null
)
;
if
(
fileId
!=
Constants
.
InvalidId
)
{
image
=
GetMetaData
(
fileId
,
acquiredInstance
.
Instance
,
null
)
;
}
return
image
;
}
}
public
Location
GetLocation
(
string
fileName
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
Location
location
=
null
;
long
fileId
=
acquiredInstance
.
Instance
.
Files
.
GetFileId
(
fileName
,
null
)
;
if
(
fileId
!=
Constants
.
InvalidId
)
{
location
=
acquiredInstance
.
Instance
.
Locations
.
GetLocation
(
fileId
,
null
)
;
}
return
location
;
}
}
public
DateTimeOffset
GetDateModified
(
string
fileName
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Files
.
GetDateModified
(
fileName
)
;
}
}
public
OrientationMode
GetOrientation
(
string
fileName
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Data
.
GetOrientation
(
fileName
)
;
}
}
public
Image
AddMetaData
(
Image
newMetaData
,
DateTimeOffset
dateModified
)
{
Image
oldData
=
null
;
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
using
(
SqliteTransaction
transaction
=
acquiredInstance
.
Instance
.
BeginTransaction
(
)
)
{
DB2Files
files
=
acquiredInstance
.
Instance
.
Files
;
long
fileId
=
files
.
GetFileId
(
newMetaData
.
FileName
,
transaction
)
;
Image
removedMetaData
=
null
;
// no id available should be added as new file
if
(
newMetaData
.
Id
==
Constants
.
InvalidId
)
{
if
(
fileId
!=
Constants
.
InvalidId
)
{
removedMetaData
=
GetMetaData
(
fileId
,
acquiredInstance
.
Instance
,
transaction
)
;
files
.
RemoveFile
(
fileId
,
transaction
)
;
}
}
else
{
if
(
fileId
!=
newMetaData
.
Id
)
{
Log
.
Instance
.
Fatal
(
$
"File Id is not matching
{
fileId
}
!=
{
newMetaData
.
Id
}
"
)
;
throw
new
ArgumentOutOfRangeException
(
nameof
(
newMetaData
)
)
;
}
oldData
=
GetMetaData
(
fileId
,
acquiredInstance
.
Instance
,
transaction
)
;
}
fileId
=
files
.
SetFile
(
newMetaData
,
oldData
,
dateModified
,
transaction
)
;
acquiredInstance
.
Instance
.
Persons
.
SetPersonTags
(
fileId
,
newMetaData
.
PersonTags
,
oldData
?
.
PersonTags
??
Array
.
Empty
<
PersonTag
>
(
)
,
transaction
)
;
acquiredInstance
.
Instance
.
Tags
.
SetTags
(
fileId
,
newMetaData
.
Tags
,
oldData
?
.
Tags
??
Array
.
Empty
<
string
>
(
)
,
transaction
)
;
acquiredInstance
.
Instance
.
Locations
.
SetLocation
(
fileId
,
newMetaData
.
Location
,
oldData
?
.
Location
,
transaction
)
;
acquiredInstance
.
Instance
.
Data
.
SetMetaData
(
fileId
,
newMetaData
,
oldData
,
transaction
)
;
// get really save newMetaData for calling changed callback with correct newMetaData
newMetaData
=
GetMetaData
(
fileId
,
acquiredInstance
.
Instance
,
transaction
)
;
transaction
.
Commit
(
)
;
if
(
removedMetaData
!=
null
)
{
oldData
=
removedMetaData
;
}
}
}
// call event handler new meta newMetaData was added
if
(
oldData
!=
null
)
{
MetaDataChanged
?
.
Invoke
(
(
newMetaData
,
oldData
)
)
;
}
else
{
MetaDataAdded
?
.
Invoke
(
newMetaData
)
;
}
return
newMetaData
;
}
public
void
RemoveMetaData
(
string
fileName
)
{
Image
data
=
null
;
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
using
(
SqliteTransaction
transaction
=
acquiredInstance
.
Instance
.
BeginTransaction
(
)
)
{
DB2Files
files
=
acquiredInstance
.
Instance
.
Files
;
long
fileId
=
files
.
GetFileId
(
fileName
,
transaction
)
;
// to make sure that we only store the information once per file
if
(
fileId
!=
Constants
.
InvalidId
)
{
data
=
GetMetaData
(
fileId
,
acquiredInstance
.
Instance
,
transaction
)
;
files
.
RemoveFile
(
fileId
,
transaction
)
;
}
transaction
.
Commit
(
)
;
}
}
if
(
data
!=
null
)
{
MetaDataRemoved
?
.
Invoke
(
data
)
;
}
}
public
void
RemoveAllFilesOfFolder
(
string
folder
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
acquiredInstance
.
Instance
.
Files
.
RemoveAllFilesOfFolder
(
folder
)
;
}
MetaDataRemoved
?
.
Invoke
(
null
)
;
}
public
Person
GetPersonFromName
(
string
name
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Persons
.
GetPersonFromName
(
name
,
null
)
;
}
}
public
long
GetPersonIdFromName
(
string
name
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Persons
.
GetPersonId
(
name
,
null
)
;
}
}
public
Person
GetPersonFromId
(
long
personId
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Persons
.
GetPersonFromId
(
personId
,
null
)
;
}
}
public
FileAndPersonTag
GetFileAndPersonTagFromFaceId
(
long
faceId
,
bool
visibleOnly
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Persons
.
GetFileAndPersonTagFromFaceId
(
faceId
,
visibleOnly
)
;
}
}
public
long
GetNumFilesOfTag
(
string
tag
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
DB2Tags
tags
=
acquiredInstance
.
Instance
.
Tags
;
long
num
=
tags
.
GetNumFilesOfTag
(
tag
)
;
if
(
num
==
0
&&
!
acquiredInstance
.
Instance
.
ReadOnly
)
{
using
(
SqliteTransaction
transaction
=
acquiredInstance
.
Instance
.
BeginTransaction
(
)
)
{
tags
.
RemoveTag
(
tag
,
transaction
)
;
transaction
.
Commit
(
)
;
}
}
return
num
;
}
}
public
long
GetNumFilesOfYear
(
DateTimeOffset
year
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Data
.
GetNumFilesOfYear
(
year
)
;
}
}
public
long
GetNumFilesOfPerson
(
string
person
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
DB2Persons
persons
=
acquiredInstance
.
Instance
.
Persons
;
long
num
=
persons
.
GetNumFilesOfPerson
(
person
)
;
if
(
num
==
0
&&
!
acquiredInstance
.
Instance
.
ReadOnly
)
{
using
(
SqliteTransaction
transaction
=
acquiredInstance
.
Instance
.
BeginTransaction
(
)
)
{
persons
.
RemovePerson
(
person
,
transaction
)
;
transaction
.
Commit
(
)
;
}
}
return
num
;
}
}
public
long
GetNumFilesOfAddress
(
Address
address
,
bool
useProvinceAlsoIfEmpty
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
DB2Locations
locations
=
acquiredInstance
.
Instance
.
Locations
;
long
num
=
locations
.
GetNumFilesOfAddress
(
address
,
useProvinceAlsoIfEmpty
)
;
if
(
num
==
0
&&
!
acquiredInstance
.
Instance
.
ReadOnly
)
{
using
(
SqliteTransaction
transaction
=
acquiredInstance
.
Instance
.
BeginTransaction
(
)
)
{
locations
.
RemoveAddress
(
address
,
transaction
)
;
transaction
.
Commit
(
)
;
}
}
return
num
;
}
}
public
long
GetNumFilesOfFolder
(
string
folder
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Files
.
GetNumAllFilesLike
(
folder
)
;
}
}
public
IList
<
string
>
GetFilesOfTag
(
string
tag
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Tags
.
GetFilesOfTag
(
tag
)
;
}
}
public
IList
<
string
>
GetFilesOfYear
(
DateTimeOffset
year
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Data
.
GetFilesOfYear
(
year
)
;
}
}
public
IList
<
string
>
GetFilesOfPerson
(
string
person
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Persons
.
GetFilesOfPerson
(
person
)
;
}
}
public
IList
<
string
>
GetFilesOfAddress
(
Address
address
,
bool
useProvinceAlsoIfEmpty
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Locations
.
GetFilesOfAddress
(
address
,
useProvinceAlsoIfEmpty
)
;
}
}
public
IList
<
string
>
GetFilesOfFolder
(
string
folder
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Files
.
GetAllFilesLike
(
folder
)
;
}
}
public
IList
<
string
>
SearchForFiles
(
string
searchFilter
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Files
.
SearchForFiles
(
searchFilter
)
;
}
}
public
IList
<
FileAndPersonTag
>
GetFileAndPersonTagsOfPerson
(
string
name
,
bool
visibleOnly
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
Persons
.
GetFileAndPersonTags
(
name
,
visibleOnly
)
;
}
}
public
void
AddNotThisPerson
(
Face
face
,
Person
person
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
using
(
SqliteTransaction
transaction
=
acquiredInstance
.
Instance
.
BeginTransaction
(
)
)
{
acquiredInstance
.
Instance
.
NotThisPerson
.
AddNotThisPerson
(
face
.
Id
,
person
.
Id
,
transaction
)
;
transaction
.
Commit
(
)
;
}
}
}
public
IDictionary
<
long
,
IList
<
long
>
>
GetNotThisPersonInformation
(
)
{
using
(
var
acquiredInstance
=
new
InstanceAcquire
(
this
)
)
{
return
acquiredInstance
.
Instance
.
NotThisPerson
.
GetNotThisPersonInformation
(
)
;
}
}
public
event
Action
<
Image
>
MetaDataAdded
;
public
event
Action
<
Image
>
MetaDataRemoved
;
public
event
Action
<
(
Image
NewData
,
Image
OldData
)
>
MetaDataChanged
;
public
string
Version
=>
_instance
.
Version
;
#endregion
#region Internal
internal
DB2
(
string
fileName
,
bool
readOnly
)
{
_instance
=
new
(
fileName
,
readOnly
)
;
if
(
!
readOnly
)
{
// add an empty person first
if
(
_instance
.
Persons
.
GetNumPersons
(
null
)
==
0
)
{
using
(
SqliteTransaction
transaction
=
_instance
.
BeginTransaction
(
)
)
{
long
id
=
_instance
.
Persons
.
AddPerson
(
new
(
Constants
.
InvalidId
,
""
,
""
,
""
,
""
)
,
transaction
)
;
if
(
id
!=
Constants
.
EmptyPersonId
)
{
Log
.
Instance
.
Error
(
$
"Empty person id not
{
Constants
.
EmptyPersonId
}
, id =
{
id
}
"
)
;
}
transaction
.
Commit
(
)
;
}
}
// add an empty address first
if
(
_instance
.
Locations
.
GetNumLocations
(
)
==
0
)
{
using
(
SqliteTransaction
transaction
=
_instance
.
BeginTransaction
(
)
)
{
long
id
=
_instance
.
Locations
.
AddLocation
(
Location
.
NoLocation
,
transaction
,
true
)
;
if
(
id
!=
Constants
.
EmptyLocationId
)
{
Log
.
Instance
.
Error
(
$
"Empty location id not
{
Constants
.
EmptyLocationId
}
, id =
{
id
}
"
)
;
}
transaction
.
Commit
(
)
;
}
}
}
_instance
.
Connection
.
Close
(
)
;
}
internal
void
Close
(
)
{
while
(
_instances
.
TryPop
(
out
DB2Instance
instance
)
)
{
instance
.
Close
(
)
;
}
_instance
.
Close
(
)
;
}
#endregion
#region Private
private
static
Image
GetMetaData
(
long
fileId
,
DB2Instance
instance
,
SqliteTransaction
transaction
)
{
IReadOnlyList
<
PersonTag
>
personTags
=
instance
.
Persons
.
GetPersonTags
(
fileId
,
false
,
transaction
)
;
IReadOnlyList
<
string
>
tags
=
instance
.
Tags
.
GetTags
(
fileId
,
transaction
)
;
Location
location
=
instance
.
Locations
.
GetLocation
(
fileId
,
transaction
)
;
Image
image
=
instance
.
Data
.
GetMetaData
(
fileId
,
location
,
personTags
,
tags
,
transaction
)
;
return
image
;
}
private
DB2Instance
AcquireInstance
(
)
{
if
(
!
_instances
.
TryPop
(
out
DB2Instance
instance
)
)
{
_totalCreatedConnections
++
;
Log
.
Instance
.
Info
(
$
"Creating new connection _totalCreatedConnections=
{
_totalCreatedConnections
}
"
)
;
instance
=
_instance
.
Clone
(
)
;
}
if
(
instance
.
Connection
.
State
!=
ConnectionState
.
Open
)
{
instance
.
Connection
.
Open
(
)
;
}
return
instance
;
}
private
void
ReleaseInstance
(
DB2Instance
instance
)
{
if
(
!
instance
.
ReadOnly
&&
!
instance
.
UnsafeModeEnabled
)
{
instance
.
Connection
.
Close
(
)
;
}
_instances
.
Push
(
instance
)
;
}
private
readonly
struct
InstanceAcquire
(
DB2
_db2
)
:
IDisposable
{
#region Public
public
void
Dispose
(
)
{
_db2
.
ReleaseInstance
(
Instance
)
;
}
public
DB2Instance
Instance
{
get
;
}
=
_db2
.
AcquireInstance
(
)
;
#endregion
}
private
readonly
DB2Instance
_instance
;
private
readonly
ConcurrentStack
<
DB2Instance
>
_instances
=
new
(
)
;
private
int
_totalCreatedConnections
;
#endregion
}
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