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added support for reading and writing events from/to a file with command line argument. Display and other improvements: printed user logged in for information.

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vishalxl
2022-08-21 00:11:50 +05:30
parent 0d09e43717
commit d4cc9fbcae
7 changed files with 191 additions and 94 deletions
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54
lib/event_ds.dart
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@@ -18,6 +18,7 @@ int gTextWidth = gDefaultTextWidth; // is changed by --width option
const int gSpacesPerDepth = 8; // constant
int gNumLeftMarginSpaces = 0; // this number is modified in main
String gAlignment = "center"; // is modified in main if --align argument is given
const int gapBetweenTopTrees = 1;
// after depth of maxDepthAllowed the thread is re-aligned to left by leftShiftThreadBy
const int gMinimumDepthAllowed = 2;
@@ -55,6 +56,9 @@ List<String> gBots = [ "3b57518d02e6acfd5eb7198530b2e351e5a52278fb2499d14b66db2
"f4161c88558700d23af18d8a6386eb7d7fed769048e1297811dcc34e86858fb2" // bitcoin_bot
];
//const String gDefaultEventsFilename = "events_store_nostr.txt";
String gEventsFilename = ""; // is set in arguments, and if set, then file is read from and written to
int gDebug = 0;
void printDepth(int d) {
@@ -194,7 +198,8 @@ class EventData {
return EventData(json['id'] as String, json['pubkey'] as String,
json['created_at'] as int, json['kind'] as int,
json['content'] as String, eTagsRead, pTagsRead,
json['content'].trim() as String,
eTagsRead, pTagsRead,
contactList, tagsRead,
{});
}
@@ -317,13 +322,17 @@ class Event {
Event(this.event, this.id, this.eventData, this.seenOnRelays, this.originalJson);
factory Event.fromJson(String d, String relay) {
dynamic json = jsonDecode(d);
if( json.length < 3) {
String e = "";
e = json.length > 1? json[0]: "";
return Event(e,"",EventData("non","", 0, 0, "", [], [], [], [[]], {}), [relay], "[json]");
try {
dynamic json = jsonDecode(d);
if( json.length < 3) {
String e = "";
e = json.length > 1? json[0]: "";
return Event(e,"",EventData("non","", 0, 0, "", [], [], [], [[]], {}), [relay], "[json]");
}
return Event(json[0] as String, json[1] as String, EventData.fromJson(json[2]), [relay], d );
} on Exception catch(e) {
return Event("","",EventData("non","", 0, 0, "", [], [], [], [[]], {}), [relay], "[json]");
}
return Event(json[0] as String, json[1] as String, EventData.fromJson(json[2]), [relay], d );
}
void printEvent(int depth) {
@@ -402,3 +411,34 @@ void printUserInfo(List<Event> events, String pub) {
}
print("Number of user events for user ${getAuthorName(pub)} : $numUserEvents");
}
List<Event> readEventsFromFile(String filename) {
List<Event> events = [];
final File file = File(filename);
// sync
try {
List<String> lines = file.readAsLinesSync();
for( int i = 0; i < lines.length; i++ ) {
Event e = Event.fromJson(lines[i], "");
events.add(e);
}
} on Exception catch(err) {
print("Cannot open file $gEventsFilename");
}
/*
while(true) {
try {
String strEvent = file.readAsStringSync();
//print(strEvent);
}
on Exception catch(e) {
break;
}
}*/
return events;
}