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F13783290
PostListModel.swift
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PostListModel.swift
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import
Foundation
import
WriteFreely
import
CoreData
class
PostListModel
:
ObservableObject
{
@
Published
var
userPosts
=
[
WFAPost
]()
init
()
{
loadCachedPosts
()
}
func
loadCachedPosts
()
{
let
request
=
WFAPost
.
createFetchRequest
()
let
sort
=
NSSortDescriptor
(
key
:
"createdDate"
,
ascending
:
false
)
request
.
sortDescriptors
=
[
sort
]
userPosts
=
[]
do
{
let
cachedPosts
=
try
PersistenceManager
.
persistentContainer
.
viewContext
.
fetch
(
request
)
userPosts
.
append
(
contentsOf
:
cachedPosts
)
}
catch
{
print
(
"Error: Failed to fetch cached posts."
)
}
}
func
purgeAllPosts
()
{
userPosts
=
[]
let
fetchRequest
:
NSFetchRequest
<
NSFetchRequestResult
>
=
NSFetchRequest
(
entityName
:
"WFAPost"
)
let
deleteRequest
=
NSBatchDeleteRequest
(
fetchRequest
:
fetchRequest
)
do
{
try
PersistenceManager
.
persistentContainer
.
persistentStoreCoordinator
.
execute
(
deleteRequest
,
with
:
PersistenceManager
.
persistentContainer
.
viewContext
)
}
catch
{
print
(
"Error: Failed to purge cached posts."
)
}
}
}
File Metadata
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Attached
Mime Type
text/x-c++
Expires
Sat, Jan 31, 8:15 AM (11 h, 30 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
3612106
Attached To
rWFSUI WriteFreely SwiftUI
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