Description:

wuchuheng imap cache

wuchuheng_imap_cache is a data-driven caching library based on the IMAP protocol.
Features #

Data Cache
Timed synchronization
Related event subscriptions

Getting started #
Depend on it
Run this command:
With Dart:
$ dart pub add wuchuheng_imap_cache
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With Flutter:
$ flutter pub add wuchuheng_imap_cache
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This will add a line like this to your package's pubspec.yaml (and run an implicit dart pub get):
dependencies:
wuchuheng_imap_cache: ^0.0.13
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Alternatively, your editor might support dart pub get or flutter pub get. Check the docs for your editor to learn more.
Import it
Now in your Dart code, you can use:
import 'package:wuchuheng_imap_cache/wuchuheng_imap_cache.dart';
Usage #
import 'package:wuchuheng_imap_cache/sync_service.dart';

void main() async {
final ImapCache cacheServiceInstance = await ImapCache().connectToServer(
userName: '<email account>',
password: '<password>',
imapServerHost: '<imap host>',
imapServerPort: 993, // host port
isImapServerSecure: true, // tls
boxName: 'snotes', // box name
);
/// set Data
await cacheServiceInstance.set( key: 'foo', value: 'hello' );
/// print: hello
print( await cacheServiceInstance.get(key: 'foo'));
/// print: true
print(await cacheServiceInstance.has(key: 'foo'));
await cacheServiceInstance.unset(key: 'foo');
/// print: false
print(await cacheServiceInstance.has(key: 'foo'));

/// event subscription usage.
final setSubscribeHandle = cacheServiceInstance.setEventSubscribe(key: 'foo', callback: (value) {
print('the value have been set. key: foo; value: $value');
});
/// Trigger setting events after set the foo variables
await cacheServiceInstance.set( key: 'foo', value: 'hello' );
final unsetSubscribeHandle = cacheServiceInstance.unsetEventSubscribe(key: 'foo', callback: ({required key}) {
print('the value have been deleted. key: $key.');
});
/// Trigger unseting events after delete the foo variables
await cacheServiceInstance.unset( key: 'foo');
/// Unsubscribe from events for foo key
setSubscribeHandle.unsubscribe();
unsetSubscribeHandle.unsubscribe();

/// Data synchronization events
/// Triggers an event when the online data and offline data start to synchronize.
cacheServiceInstance.startSyncEvent(() => print(
'Triggers an event when the online data and offline data start to synchronize.'
));
/// Triggers an event when data synchronization is complete.
cacheServiceInstance.completedSyncEvent(() => print(
'Triggers an event when data synchronization is complete.'
) );
/// Listening to data synchronized online to offline
final beforeOnlineModifyLocalEventHandler = cacheServiceInstance.beforeOnlineModifyLocalEvent(key: 'tmptmp', callback: ({required String onlineValue}) async{
print(onlineValue);
return onlineValue;
});
}
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Contributing #
You can contribute in one of three ways:

File bug reports using the issue tracker.
Answer questions or fix bugs on the issue tracker.
Contribute new features or update the wiki.

License #
MIT

License

For personal and professional use. You cannot resell or redistribute these repositories in their original state.

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