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♻️ Refactored attachment cache

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This commit is contained in:
LittleSheep
2024-11-18 00:55:39 +08:00
parent 432705c570
commit 359cd94532
16 changed files with 712 additions and 213 deletions
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65
lib/providers/sn_attachment.dart
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@ -19,6 +19,14 @@ class SnAttachmentProvider {
_sn = context.read<SnNetworkProvider>();
}
void putCache(Iterable<SnAttachment> items, {bool noCheck = false}) {
for (final item in items) {
if ((item.isAnalyzed && item.isUploaded) || noCheck) {
_cache[item.rid] = item;
}
}
}
Future<SnAttachment> getOne(String rid, {noCache = false}) async {
if (!noCache && _cache.containsKey(rid)) {
return _cache[rid]!;
@ -26,37 +34,48 @@ class SnAttachmentProvider {
final resp = await _sn.client.get('/cgi/uc/attachments/$rid/meta');
final out = SnAttachment.fromJson(resp.data);
_cache[rid] = out;
if (out.isAnalyzed && out.isUploaded) {
_cache[rid] = out;
}
return out;
}
Future<List<SnAttachment>> getMultiple(List<String> rids,
Future<List<SnAttachment?>> getMultiple(List<String> rids,
{noCache = false}) async {
final pendingFetch =
noCache ? rids : rids.where((rid) => !_cache.containsKey(rid)).toList();
final result = List<SnAttachment?>.filled(rids.length, null);
final Map<String, int> randomMapping = {};
for (int i = 0; i < rids.length; i++) {
final rid = rids[i];
if (noCache || !_cache.containsKey(rid)) {
randomMapping[rid] = i;
} else {
result[i] = _cache[rid]!;
}
}
final pendingFetch = randomMapping.keys;
if (pendingFetch.isEmpty) {
return rids.map((rid) => _cache[rid]!).toList();
if (pendingFetch.isNotEmpty) {
final resp = await _sn.client.get(
'/cgi/uc/attachments',
queryParameters: {
'take': pendingFetch.length,
'id': pendingFetch.join(','),
},
);
final out = resp.data['data']
.map((e) => e['id'] == 0 ? null : SnAttachment.fromJson(e))
.toList();
for (final item in out) {
if (item.isAnalyzed && item.isUploaded) {
_cache[item.rid] = item;
}
result[randomMapping[item.rid]!] = item;
}
}
final resp = await _sn.client.get('/cgi/uc/attachments', queryParameters: {
'take': pendingFetch.length,
'id': pendingFetch.join(','),
});
final out = resp.data['data']
.where((e) => e['id'] != 0)
.map((e) => SnAttachment.fromJson(e))
.toList();
for (final item in out) {
_cache[item.rid] = item;
}
return rids
.where((rid) => _cache.containsKey(rid))
.map((rid) => _cache[rid]!)
.toList();
return result;
}
static Map<String, String> mimetypeOverrides = {