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lucas.parsy
jio
Commits
cf895161
Commit
cf895161
authored
Apr 22, 2014
by
Xiaowu Zhang
Browse files
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add method for code more readable
parent
f528b71f
Changes
1
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Showing
1 changed file
with
378 additions
and
284 deletions
+378
-284
src/jio.storage/indexeddbstorage.js
src/jio.storage/indexeddbstorage.js
+378
-284
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src/jio.storage/indexeddbstorage.js
View file @
cf895161
...
@@ -28,7 +28,7 @@
...
@@ -28,7 +28,7 @@
*/
*/
/*jslint indent: 2, maxlen: 80, nomen: true */
/*jslint indent: 2, maxlen: 80, nomen: true */
/*global define, module, require, indexedDB, jIO, RSVP */
/*global define, module, require, indexedDB, jIO, RSVP
, Blob
*/
(
function
(
dependencies
,
factory
)
{
(
function
(
dependencies
,
factory
)
{
"
use strict
"
;
"
use strict
"
;
...
@@ -47,7 +47,6 @@
...
@@ -47,7 +47,6 @@
var
Promise
=
RSVP
.
Promise
,
generateUuid
=
jIO
.
util
.
generateUuid
;
var
Promise
=
RSVP
.
Promise
,
generateUuid
=
jIO
.
util
.
generateUuid
;
// XXX doc string
function
metadataObjectToString
(
value
)
{
function
metadataObjectToString
(
value
)
{
var
i
,
l
;
var
i
,
l
;
if
(
Array
.
isArray
(
value
))
{
if
(
Array
.
isArray
(
value
))
{
...
@@ -80,305 +79,385 @@
...
@@ -80,305 +79,385 @@
this
.
_database_name
=
"
jio:
"
+
description
.
database
;
this
.
_database_name
=
"
jio:
"
+
description
.
database
;
}
}
// XXX doc string
function
openRequestOnUpgradeNeeded
(
shared
,
event
)
{
/**
if
(
shared
.
aborted
)
{
return
;
}
* creat 3 objectStores
shared
.
db
=
event
.
target
.
result
;
* @param {string} the name of the database
try
{
*/
shared
.
store
=
shared
.
db
.
createObjectStore
(
"
metadata
"
,
{
function
openIndexedDB
(
db_name
)
{
"
keyPath
"
:
"
_id
"
var
request
;
//"autoIncrement": true
function
resolver
(
resolve
,
reject
)
{
});
// Open DB //
// `createObjectStore` can throw InvalidStateError - open_req.onerror
request
=
indexedDB
.
open
(
db_name
);
// and db.onerror won't be called.
request
.
onerror
=
reject
;
shared
.
store
.
createIndex
(
"
_id
"
,
"
_id
"
);
// `store.createIndex` can throw an error
// Create DB if necessary //
shared
.
db_created
=
true
;
request
.
onupgradeneeded
=
function
(
evt
)
{
shared
.
store
.
transaction
.
oncomplete
=
function
()
{
var
db
=
evt
.
target
.
result
,
delete
shared
.
store
;
store
;
store
=
db
.
createObjectStore
(
"
metadata
"
,
{
"
keyPath
"
:
"
_id
"
//"autoIncrement": true
});
store
.
createIndex
(
"
_id
"
,
"
_id
"
);
store
=
db
.
createObjectStore
(
"
attachment
"
,
{
"
keyPath
"
:
"
_id
"
//"autoIncrement": true
});
store
.
createIndex
(
"
_id
"
,
"
_id
"
);
store
=
db
.
createObjectStore
(
"
blob
"
,
{
"
keyPath
"
:
[
"
_id
"
,
"
_attachment
"
]
//"autoIncrement": true
});
store
.
createIndex
(
"
_id_attachment
"
,
[
"
_id
"
,
"
_attachment
"
]);
};
request
.
onsuccess
=
function
()
{
resolve
(
request
.
result
);
};
};
}
catch
(
e
)
{
shared
.
reject
(
e
);
shared
.
db
.
close
();
shared
.
aborted
=
true
;
}
}
return
new
RSVP
.
Promise
(
resolver
);
}
}
IndexedDBStorage
.
prototype
.
createDBIfNecessary
=
function
()
{
var
shared
=
{},
open_req
=
indexedDB
.
open
(
this
.
_database_name
);
// No request.abort() is provided so we cannot cancel database creation
return
new
Promise
(
function
(
resolve
,
reject
)
{
shared
.
reject
=
reject
;
open_req
.
onupgradeneeded
=
openRequestOnUpgradeNeeded
.
bind
(
open_req
,
shared
);
open_req
.
onerror
=
function
()
{
if
(
open_req
.
result
)
{
open_req
.
result
.
close
();
}
reject
(
open_req
.
error
);
};
open_req
.
onsuccess
=
function
()
{
// *Called at t + 3*
open_req
.
result
.
close
();
resolve
(
shared
.
db_created
?
"
created
"
:
"
no_content
"
);
};
});
};
// XXX doc string
IndexedDBStorage
.
prototype
.
get
=
function
(
command
,
param
)
{
var
shared
=
{
"
connector
"
:
this
};
new
Promise
(
function
(
resolve
,
reject
)
{
shared
.
reject
=
reject
;
// Open DB //
var
open_req
=
indexedDB
.
open
(
shared
.
connector
.
_database_name
);
open_req
.
onerror
=
function
(
event
)
{
reject
(
event
.
target
.
errorCode
);
};
// Create DB if necessary //
IndexedDBStorage
.
prototype
.
createDBIfNecessary
=
function
()
{
open_req
.
onupgradeneeded
=
return
openIndexedDB
(
this
.
_database_name
);
openRequestOnUpgradeNeeded
.
bind
(
open_req
,
shared
)
;
}
;
open_req
.
onsuccess
=
function
(
event
)
{
/**
if
(
shared
.
aborted
)
{
return
;
}
*put a data into a store object
try
{
*@param {ObjectStore} store The objectstore
shared
.
db
=
event
.
target
.
result
;
*@param {Object} metadata The data to put in
// Open transaction //
*@return a new promise
shared
.
tx
=
shared
.
db
.
transaction
(
"
metadata
"
,
"
readonly
"
);
*/
shared
.
tx
.
onerror
=
function
()
{
function
putIndexedDB
(
store
,
metadata
)
{
reject
(
shared
.
tx
.
error
);
function
resolver
(
resolve
,
reject
)
{
shared
.
db
.
close
();
var
request
=
store
.
put
(
metadata
);
};
request
.
onerror
=
reject
;
shared
.
onCancel
=
function
()
{
request
.
onsuccess
=
function
()
{
shared
.
tx
.
abort
();
resolve
(
metadata
);
shared
.
db
.
close
();
};
};
}
return
new
RSVP
.
Promise
(
resolver
);
}
// Get index //
shared
.
store
=
shared
.
tx
.
objectStore
(
"
metadata
"
);
shared
.
index_request
=
shared
.
store
.
index
(
"
_id
"
);
// Get metadata //
shared
.
index_request
.
get
(
param
.
_id
).
onsuccess
=
function
(
event
)
{
if
(
shared
.
aborted
)
{
return
;
}
if
(
event
.
target
.
result
===
undefined
)
{
reject
({
"
status
"
:
404
});
return
;
}
shared
.
final_result
=
{
"
data
"
:
event
.
target
.
result
};
};
// Respond to jIO //
/**
shared
.
tx
.
oncomplete
=
function
()
{
* get a data from a store object
resolve
(
shared
.
final_result
);
* @param {ObjectStore} store The objectstore
shared
.
db
.
close
();
* @param {String} id The data id
};
* return a new promise
}
catch
(
e1
)
{
*/
reject
(
e1
);
function
getIndexedDB
(
store
,
id
)
{
shared
.
db
.
close
();
function
resolver
(
resolve
,
reject
)
{
}
var
request
=
store
.
get
(
id
);
request
.
onerror
=
reject
;
request
.
onsuccess
=
function
()
{
resolve
(
request
.
result
);
};
};
}).
then
(
command
.
success
,
command
.
error
,
command
.
notify
);
}
};
return
new
RSVP
.
Promise
(
resolver
);
}
// XXX doc string
/**
IndexedDBStorage
.
prototype
.
post
=
function
(
command
,
metadata
)
{
* delete a data of a store object
var
shared
=
{
"
connector
"
:
this
};
* @param {ObjectStore} store The objectstore
if
(
!
metadata
.
_id
)
{
* @param {String} id The data id
metadata
.
_id
=
generateUuid
();
* @return a new promise
*
*/
function
removeIndexedDB
(
store
,
id
)
{
function
resolver
(
resolve
,
reject
)
{
var
request
=
store
[
"
delete
"
](
id
);
request
.
onerror
=
reject
;
request
.
onsuccess
=
resolve
;
}
}
new
Promise
(
function
(
resolve
,
reject
)
{
return
new
RSVP
.
Promise
(
resolver
);
shared
.
reject
=
reject
;
}
// Open DB //
/**
var
open_req
=
indexedDB
.
open
(
shared
.
connector
.
_database_name
);
* research an id in a store
open_req
.
onerror
=
function
(
event
)
{
* @param {ObjectStore} store The objectstore
reject
(
event
.
target
.
errorCode
);
* @param {String} id The index id
* @param {var} researchID The data id
* return a new promise
*/
function
researchIndexedDB
(
store
,
id
,
researchID
)
{
function
resolver
(
resolve
)
{
var
index
=
store
.
index
(
researchID
);
index
.
get
(
id
).
onsuccess
=
function
(
evt
)
{
resolve
({
"
result
"
:
evt
.
target
.
result
,
"
store
"
:
store
});
};
};
}
return
new
RSVP
.
Promise
(
resolver
);
}
// Create DB if necessary //
open_req
.
onupgradeneeded
=
openRequestOnUpgradeNeeded
.
bind
(
open_req
,
shared
);
open_req
.
onsuccess
=
function
(
event
)
{
function
promiseResearch
(
transaction
,
id
,
table
,
researchID
)
{
if
(
shared
.
aborted
)
{
return
;
}
var
store
=
transaction
.
objectStore
(
table
);
try
{
return
researchIndexedDB
(
store
,
id
,
researchID
);
shared
.
db
=
event
.
target
.
result
;
}
// Open transaction //
shared
.
tx
=
shared
.
db
.
transaction
(
"
metadata
"
,
"
readwrite
"
);
shared
.
tx
.
onerror
=
function
()
{
reject
(
shared
.
tx
.
error
);
shared
.
db
.
close
();
};
shared
.
onCancel
=
function
()
{
shared
.
tx
.
abort
();
shared
.
db
.
close
();
};
// Get index //
shared
.
store
=
shared
.
tx
.
objectStore
(
"
metadata
"
);
shared
.
index_request
=
shared
.
store
.
index
(
"
_id
"
);
// Get metadata //
shared
.
index_request
.
get
(
metadata
.
_id
).
onsuccess
=
function
(
event
)
{
if
(
shared
.
aborted
)
{
return
;
}
if
(
event
.
target
.
result
!==
undefined
)
{
shared
.
db
.
close
();
reject
({
"
status
"
:
409
,
"
reason
"
:
"
document already exist
"
});
return
;
}
delete
metadata
.
_attachments
;
// Push metadata //
shared
.
store
.
put
(
metadata
);
};
shared
.
tx
.
oncomplete
=
function
()
{
/**
// Respond to jIO //
* put or post a metadata into objectstore:metadata,attachment
shared
.
db
.
close
();
* @param {function} open The function to open a basedata
resolve
({
"
id
"
:
metadata
.
_id
});
* @param {function} research The function to reserach
};
* @param {function} ongoing The function to process
}
catch
(
e1
)
{
* @param {function} end The completed function
reject
(
e1
);
* @param {Object} command The JIO command
shared
.
db
.
close
();
* @param {Object} metadata The data to put
}
*/
};
IndexedDBStorage
.
prototype
.
_putOrPost
=
}).
then
(
command
.
success
,
command
.
error
,
command
.
notify
);
function
(
open
,
research
,
ongoing
,
end
,
command
,
metadata
)
{
};
var
jio_storage
=
this
,
transaction
,
global_db
,
result
;
new
RSVP
.
Queue
()
.
push
(
function
()
{
//open a database
return
open
(
jio_storage
.
_database_name
);
})
.
push
(
function
(
db
)
{
global_db
=
db
;
transaction
=
db
.
transaction
([
"
metadata
"
,
"
attachment
"
],
"
readwrite
"
);
//research in metadata
return
research
(
transaction
,
metadata
.
_id
,
"
metadata
"
,
"
_id
"
);
})
.
push
(
function
(
researchResult
)
{
return
ongoing
(
researchResult
);
})
.
push
(
function
(
ongoingResult
)
{
//research in attachment
result
=
ongoingResult
;
return
research
(
transaction
,
metadata
.
_id
,
"
attachment
"
,
"
_id
"
);
})
.
push
(
function
(
researchResult
)
{
//create an id in attachment si necessary
if
(
researchResult
.
result
===
undefined
)
{
putIndexedDB
(
researchResult
.
store
,
{
"
_id
"
:
metadata
.
_id
});
}
else
{
return
end
(
result
);
}
})
.
push
(
function
()
{
return
end
(
result
);
})
.
push
(
undefined
,
function
(
error
)
{
// Check if transaction is ongoing, if so, abort it
if
(
transaction
!==
undefined
)
{
transaction
.
abort
();
}
if
(
global_db
!==
undefined
)
{
global_db
.
close
();
}
throw
error
;
})
.
push
(
command
.
success
,
command
.
error
,
command
.
notify
);
};
// XXX doc string
IndexedDBStorage
.
prototype
.
put
=
function
(
command
,
metadata
)
{
var
shared
=
{
"
connector
"
:
this
};
new
Promise
(
function
(
resolve
,
reject
)
{
shared
.
reject
=
reject
;
// Open DB //
var
open_req
=
indexedDB
.
open
(
shared
.
connector
.
_database_name
);
open_req
.
onerror
=
function
(
event
)
{
reject
(
event
.
target
.
errorCode
);
};
// Create DB if necessary //
open_req
.
onupgradeneeded
=
openRequestOnUpgradeNeeded
.
bind
(
open_req
,
shared
);
open_req
.
onsuccess
=
function
(
event
)
{
/**
if
(
shared
.
aborted
)
{
return
;
}
* Retrieve data
try
{
*
shared
.
db
=
event
.
target
.
result
;
*@param {Object} command The JIO command
// Open transaction //
*@param {Object} param The command parameters
shared
.
tx
=
shared
.
db
.
transaction
(
"
metadata
"
,
"
readwrite
"
);
*/
shared
.
tx
.
onerror
=
function
()
{
IndexedDBStorage
.
prototype
.
get
=
function
(
command
,
param
)
{
reject
(
shared
.
tx
.
error
);
var
jio_storage
=
this
,
shared
.
db
.
close
();
transaction
,
};
global_db
,
shared
.
onCancel
=
function
()
{
meta
;
shared
.
tx
.
abort
();
new
RSVP
.
Queue
()
shared
.
db
.
close
();
.
push
(
function
()
{
};
return
openIndexedDB
(
jio_storage
.
_database_name
);
})
.
push
(
function
(
db
)
{
global_db
=
db
;
transaction
=
db
.
transaction
([
"
metadata
"
,
"
attachment
"
],
"
readwrite
"
);
var
store
=
transaction
.
objectStore
(
"
metadata
"
);
return
getIndexedDB
(
store
,
param
.
_id
);
})
.
push
(
function
(
result
)
{
if
(
result
)
{
//get a part data from metadata
meta
=
result
;
var
store
=
transaction
.
objectStore
(
"
attachment
"
);
return
getIndexedDB
(
store
,
param
.
_id
);
}
throw
({
"
status
"
:
404
,
"
reason
"
:
"
Not Found
"
,
"
message
"
:
"
IndexeddbStorage, unable to get document.
"
});
})
.
push
(
function
(
result
)
{
//get the reste data from attachment
if
(
result
.
_attachment
)
{
meta
.
_attachment
=
result
.
_attachment
;
}
return
({
"
data
"
:
meta
});
})
.
push
(
undefined
,
function
(
error
)
{
// Check if transaction is ongoing, if so, abort it
if
(
transaction
!==
undefined
)
{
transaction
.
abort
();
}
if
(
global_db
!==
undefined
)
{
global_db
.
close
();
}
throw
error
;
})
.
push
(
command
.
success
,
command
.
error
,
command
.
notify
);
};
// Get index //
shared
.
store
=
shared
.
tx
.
objectStore
(
"
metadata
"
);
shared
.
index
=
shared
.
store
.
index
(
"
_id
"
);
// Get metadata //
shared
.
index
.
get
(
metadata
.
_id
).
onsuccess
=
function
(
event
)
{
if
(
shared
.
aborted
)
{
return
;
}
var
i
,
l
,
key
,
array
,
data
;
if
(
event
.
target
.
result
!==
undefined
)
{
shared
.
found
=
true
;
data
=
event
.
target
.
result
;
// Update metadata //
array
=
Object
.
keys
(
metadata
);
for
(
i
=
0
,
l
=
array
.
length
;
i
<
l
;
i
+=
1
)
{
key
=
array
[
i
];
metadata
[
key
]
=
metadataObjectToString
(
metadata
[
key
]);
}
if
(
data
.
_attachments
)
{
metadata
.
_attachments
=
data
.
_attachments
;
}
}
else
{
delete
metadata
.
_attachments
;
}
// Push metadata //
shared
.
store
.
put
(
metadata
);
};
shared
.
tx
.
oncomplete
=
function
()
{
/**
// Respond to jIO //
* Remove a document
shared
.
db
.
close
();
*
resolve
({
"
status
"
:
shared
.
found
?
204
:
201
});
* @param {Object} command The JIO command
};
* @param {Object} param The command parameters
}
catch
(
e1
)
{
*/
reject
(
e1
);
IndexedDBStorage
.
prototype
.
remove
=
function
(
command
,
param
)
{
shared
.
db
.
close
();
var
jio_storage
=
this
,
transaction
,
global_db
,
queue
=
new
RSVP
.
Queue
();
queue
.
push
(
function
()
{
return
openIndexedDB
(
jio_storage
.
_database_name
);
})
.
push
(
function
(
db
)
{
global_db
=
db
;
transaction
=
db
.
transaction
([
"
metadata
"
,
"
attachment
"
,
"
blob
"
],
"
readwrite
"
);
return
promiseResearch
(
transaction
,
param
.
_id
,
"
metadata
"
,
"
_id
"
);
})
.
push
(
function
(
resultResearch
)
{
if
(
resultResearch
.
result
===
undefined
)
{
throw
({
"
status
"
:
404
,
"
reason
"
:
"
Not Found
"
,
"
message
"
:
"
IndexeddbStorage, unable to get metadata.
"
});
}
}
};
//delete metadata
}).
then
(
command
.
success
,
command
.
error
,
command
.
notify
);
return
removeIndexedDB
(
resultResearch
.
store
,
param
.
_id
);
})
.
push
(
function
()
{
var
store
=
transaction
.
objectStore
(
"
attachment
"
);
return
getIndexedDB
(
store
,
param
.
_id
);
})
.
push
(
function
(
result
)
{
if
(
result
.
_attachment
)
{
var
i
,
l
,
key
,
array
,
func
,
store
;
array
=
Object
.
keys
(
result
.
_attachment
);
store
=
transaction
.
objectStore
(
"
blob
"
);
for
(
i
=
0
,
l
=
array
.
length
;
i
<
l
;
i
+=
1
)
{
key
=
array
[
i
];
//delete blob
func
=
removeIndexedDB
(
store
,
[
param
.
_id
,
key
]);
queue
.
push
(
func
);
}
}
})
.
push
(
function
()
{
var
store
=
transaction
.
objectStore
(
"
attachment
"
);
//delete attachment
return
removeIndexedDB
(
store
,
param
.
_id
);
})
.
push
(
function
()
{
return
({
"
status
"
:
204
});
})
.
push
(
undefined
,
function
(
error
)
{
// Check if transaction is ongoing, if so, abort it
if
(
transaction
!==
undefined
)
{
transaction
.
abort
();
}
if
(
global_db
!==
undefined
)
{
global_db
.
close
();
}
throw
error
;
})
.
push
(
command
.
success
,
command
.
error
,
command
.
notify
);
};
};
// XXX doc string
IndexedDBStorage
.
prototype
.
remove
=
function
(
command
,
param
)
{
var
shared
=
{
"
connector
"
:
this
};
new
Promise
(
function
(
resolve
,
reject
)
{
shared
.
reject
=
reject
;
// Open DB //
var
open_req
=
indexedDB
.
open
(
shared
.
connector
.
_database_name
);
open_req
.
onerror
=
function
(
event
)
{
reject
(
event
.
target
.
errorCode
);
};
// Create DB if necessary //
/**
open_req
.
onupgradeneeded
=
* Creates a new document if not already existes
openRequestOnUpgradeNeeded
.
bind
(
open_req
,
shared
);
* @param {Object} command The JIO command
* @param {Object} metadata The metadata to put
*/
IndexedDBStorage
.
prototype
.
post
=
function
(
command
,
metadata
)
{
var
that
=
this
;
if
(
!
metadata
.
_id
)
{
metadata
.
_id
=
generateUuid
();
}
function
promiseOngoingPost
(
researchResult
)
{
if
(
researchResult
.
result
===
undefined
)
{
delete
metadata
.
_attachment
;
return
putIndexedDB
(
researchResult
.
store
,
metadata
);
}
throw
({
"
status
"
:
409
,
"
reason
"
:
"
Document exists
"
});
}
open_req
.
onsuccess
=
function
(
event
)
{
function
promiseEndPost
(
metadata
)
{
if
(
shared
.
aborted
)
{
return
;
}
return
({
"
id
"
:
metadata
.
_id
});
try
{
}
shared
.
db
=
event
.
target
.
result
;
// Open transaction //
shared
.
tx
=
shared
.
db
.
transaction
(
"
metadata
"
,
"
readwrite
"
);
shared
.
tx
.
onerror
=
function
()
{
reject
(
shared
.
tx
.
error
);
shared
.
db
.
close
();
};
shared
.
onCancel
=
function
()
{
shared
.
tx
.
abort
();
shared
.
db
.
close
();
};
// Get index //
that
.
_putOrPost
(
openIndexedDB
,
promiseResearch
,
shared
.
store
=
shared
.
tx
.
objectStore
(
"
metadata
"
);
promiseOngoingPost
,
promiseEndPost
,
shared
.
index
=
shared
.
store
.
index
(
"
_id
"
);
command
,
metadata
);
// Get metadata //
shared
.
index
.
get
(
param
.
_id
).
onsuccess
=
function
(
event
)
{
if
(
shared
.
aborted
)
{
return
;
}
if
(
event
.
target
.
result
===
undefined
)
{
shared
.
db
.
close
();
reject
({
"
status
"
:
404
});
return
;
}
// Delete metadata //
shared
.
store
[
"
delete
"
](
param
.
_id
);
// XXX Delete attachments //
};
shared
.
tx
.
oncomplete
=
function
()
{
};
// Respond to jIO //
/**
shared
.
db
.
close
();
* Creates or updates a document
resolve
();
* @param {Object} command The JIO command
};
* @param {Object} metadata The metadata to post
}
catch
(
e1
)
{
*/
reject
(
e1
);
IndexedDBStorage
.
prototype
.
put
=
function
(
command
,
metadata
)
{
shared
.
db
.
close
();
var
that
=
this
,
found
;
function
promiseOngoingPut
(
researchResult
)
{
var
key
;
for
(
key
in
metadata
)
{
if
(
metadata
.
hasOwnProperty
(
key
))
{
metadata
[
key
]
=
metadataObjectToString
(
metadata
[
key
]);
}
}
};
}
}).
then
(
command
.
success
,
command
.
error
,
command
.
notify
);
delete
metadata
.
_attachment
;
if
(
researchResult
.
result
!==
undefined
)
{
found
=
true
;
}
return
putIndexedDB
(
researchResult
.
store
,
metadata
);
}
function
promiseEndPut
()
{
return
{
"
status
"
:
(
found
?
204
:
201
)
};
}
that
.
_putOrPost
(
openIndexedDB
,
promiseResearch
,
promiseOngoingPut
,
promiseEndPut
,
command
,
metadata
);
};
};
// XXX doc string
IndexedDBStorage
.
prototype
.
getList
=
function
(
option
)
{
/**
* Retrieve a list of present document
*
* @method allDocs
* @param {Object} command The JIO command
* @param {Object} param The command parameters
* @param {Object} options The command options
* @param {Boolean} [options.include_docs=false]
* Also retrieve the actual document content.
*/
IndexedDBStorage
.
prototype
.
getListMetadata
=
function
(
option
)
{
var
rows
=
[],
onCancel
,
open_req
=
indexedDB
.
open
(
this
.
_database_name
);
var
rows
=
[],
onCancel
,
open_req
=
indexedDB
.
open
(
this
.
_database_name
);
return
new
Promise
(
function
(
resolve
,
reject
,
notify
)
{
return
new
Promise
(
function
(
resolve
,
reject
,
notify
)
{
open_req
.
onerror
=
function
()
{
open_req
.
onerror
=
function
()
{
...
@@ -386,30 +465,25 @@
...
@@ -386,30 +465,25 @@
reject
(
open_req
.
error
);
reject
(
open_req
.
error
);
};
};
open_req
.
onsuccess
=
function
()
{
open_req
.
onsuccess
=
function
()
{
var
tx
,
store
,
index
,
date
,
index_req
,
db
=
open_req
.
result
;
var
tx
,
date
,
j
=
0
,
index_req
,
db
=
open_req
.
result
;
try
{
try
{
tx
=
db
.
transaction
(
"
metadata
"
,
"
readonly
"
);
tx
=
db
.
transaction
(
[
"
metadata
"
,
"
attachment
"
]
,
"
readonly
"
);
onCancel
=
function
()
{
onCancel
=
function
()
{
tx
.
abort
();
tx
.
abort
();
db
.
close
();
db
.
close
();
};
};
store
=
tx
.
objectStore
(
"
metadata
"
);
index_req
=
tx
.
objectStore
(
"
metadata
"
).
index
(
"
_id
"
).
openCursor
();
index
=
store
.
index
(
"
_id
"
);
index_req
=
index
.
openCursor
();
date
=
Date
.
now
();
date
=
Date
.
now
();
index_req
.
onsuccess
=
function
(
event
)
{
index_req
.
onsuccess
=
function
(
event
)
{
var
cursor
=
event
.
target
.
result
,
now
,
value
,
i
,
key
;
var
cursor
=
event
.
target
.
result
,
now
,
value
,
i
,
key
;
if
(
cursor
)
{
if
(
cursor
)
{
// Called for each matching record.
// Called for each matching record
// notification management
// notification management
now
=
Date
.
now
();
now
=
Date
.
now
();
if
(
date
<=
now
-
1000
)
{
if
(
date
<=
now
-
1000
)
{
notify
({
"
loaded
"
:
rows
.
length
});
notify
({
"
loaded
"
:
rows
.
length
});
date
=
now
;
date
=
now
;
}
}
// option.limit management
// option.limit management
if
(
Array
.
isArray
(
option
.
limit
))
{
if
(
Array
.
isArray
(
option
.
limit
))
{
if
(
option
.
limit
.
length
>
1
)
{
if
(
option
.
limit
.
length
>
1
)
{
...
@@ -433,7 +507,6 @@
...
@@ -433,7 +507,6 @@
option
.
limit
[
0
]
-=
1
;
option
.
limit
[
0
]
-=
1
;
}
}
}
}
value
=
{};
value
=
{};
// option.select_list management
// option.select_list management
if
(
option
.
select_list
)
{
if
(
option
.
select_list
)
{
...
@@ -442,7 +515,6 @@
...
@@ -442,7 +515,6 @@
value
[
key
]
=
cursor
.
value
[
key
];
value
[
key
]
=
cursor
.
value
[
key
];
}
}
}
}
// option.include_docs management
// option.include_docs management
if
(
option
.
include_docs
)
{
if
(
option
.
include_docs
)
{
rows
.
push
({
rows
.
push
({
...
@@ -456,14 +528,37 @@
...
@@ -456,14 +528,37 @@
"
value
"
:
value
"
value
"
:
value
});
});
}
}
// continue to next iteration
// continue to next iteration
cursor
[
"
continue
"
]();
cursor
[
"
continue
"
]();
}
else
{
}
else
{
notify
({
"
loaded
"
:
rows
.
length
});
index_req
=
tx
.
objectStore
(
"
attachment
"
).
// No more matching records.
index
(
"
_id
"
).
openCursor
();
resolve
({
"
data
"
:
{
"
rows
"
:
rows
,
"
total_rows
"
:
rows
.
length
}});
index_req
.
onsuccess
=
function
(
event
)
{
db
.
close
();
//second table
cursor
=
event
.
target
.
result
;
if
(
cursor
)
{
value
=
{};
if
(
cursor
.
value
.
_attachment
)
{
if
(
option
.
select_list
)
{
for
(
i
=
0
;
i
<
option
.
select_list
.
length
;
i
+=
1
)
{
key
=
option
.
select_list
[
i
];
value
[
key
]
=
cursor
.
value
.
_attachment
[
key
];
}
}
//add info of attachment into metadata
rows
[
j
].
value
.
_attachment
=
value
;
if
(
option
.
include_docs
)
{
rows
[
j
].
doc
.
_attachment
=
cursor
.
value
.
_attachment
;
}
}
j
+=
1
;
cursor
[
"
continue
"
]();
}
else
{
notify
({
"
loaded
"
:
rows
.
length
});
resolve
({
"
data
"
:
{
"
rows
"
:
rows
,
"
total_rows
"
:
rows
.
length
}});
db
.
close
();
}
};
}
}
};
};
}
catch
(
e
)
{
}
catch
(
e
)
{
...
@@ -481,7 +576,7 @@
...
@@ -481,7 +576,7 @@
IndexedDBStorage
.
prototype
.
allDocs
=
function
(
command
,
param
,
option
)
{
IndexedDBStorage
.
prototype
.
allDocs
=
function
(
command
,
param
,
option
)
{
/*jslint unparam: true */
/*jslint unparam: true */
this
.
createDBIfNecessary
().
this
.
createDBIfNecessary
().
then
(
this
.
getList
.
bind
(
this
,
option
)).
then
(
this
.
getList
Metadata
.
bind
(
this
,
option
)).
then
(
command
.
success
,
command
.
error
,
command
.
notify
);
then
(
command
.
success
,
command
.
error
,
command
.
notify
);
};
};
...
@@ -494,5 +589,4 @@
...
@@ -494,5 +589,4 @@
};
};
jIO
.
addStorage
(
"
indexeddb
"
,
IndexedDBStorage
);
jIO
.
addStorage
(
"
indexeddb
"
,
IndexedDBStorage
);
}));
}));
\ No newline at end of file
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