Removing unused tags from Evernote

gistfile1.matlab

//
//  main.m
//  Tag Cleaner
//
//  Created by Dave DeLong on 11/17/12.
//  Copyright (c) 2012 Dave DeLong. All rights reserved.
//

// requires https://github.com/evernote/evernote-sdk-mac

#import <Foundation/Foundation.h>

#import "EDAMErrors.h"
#import "EDAMLimits.h"
#import "EDAMNoteStore.h"
#import "EDAMTypes.h"
#import "EDAMUserStore.h"

#import "TBinaryProtocol.h"
#import "TProtocol.h"
#import "TProtocolException.h"
#import "TProtocolFactory.h"
#import "TProtocolUtil.h"
#import "TApplicationException.h"
#import "TException.h"
#import "TProcessor.h"
#import "TProcessorFactory.h"
#import "THTTPClient.h"
#import "TMemoryBuffer.h"
#import "TTransport.h"
#import "TTransportException.h"
#import "TSharedProcessorFactory.h"

// You can acquire a Developer Token from https://www.evernote.com/api/DeveloperToken.action
NSString * const ENDeveloperToken = @"...";

int main(int argc, const char * argv[]) {

    @autoreleasepool {
        THTTPClient *httpClient = [[THTTPClient alloc] initWithURL:[NSURL URLWithString:@"https://www.evernote.com/edam/user"]];
        TBinaryProtocol *userStoreProtocol = [[TBinaryProtocol alloc] initWithTransport:httpClient];
        
        EDAMUserStoreClient *userStoreClient = [[EDAMUserStoreClient alloc] initWithProtocol:userStoreProtocol];
        NSString *noteStoreString = [userStoreClient getNoteStoreUrl:ENDeveloperToken];
        
        NSURL *noteStoreURL = [NSURL URLWithString:noteStoreString];
        THTTPClient *noteStoreTransport = [[THTTPClient alloc] initWithURL:noteStoreURL];
        
        TBinaryProtocol *noteStoreProtocol = [[TBinaryProtocol alloc] initWithTransport:noteStoreTransport];
        EDAMNoteStoreClient *noteStoreClient = [[EDAMNoteStoreClient alloc] initWithProtocol:noteStoreProtocol];
        
        NSArray *tags = [noteStoreClient listTags:ENDeveloperToken];
        NSInteger counter = 0;
        for (id tag in tags) {
            NSArray *tagGuids = @[[tag guid]];
            EDAMNoteFilter *filter = [[EDAMNoteFilter alloc] initWithOrder:0 ascending:YES words:nil notebookGuid:nil tagGuids:tagGuids timeZone:nil inactive:NO];
            EDAMNoteCollectionCounts *counts = [noteStoreClient findNoteCounts:ENDeveloperToken :filter :NO];
            
            NSDictionary *tagCounts = [counts tagCounts];
            id count = [tagCounts objectForKey:[tag guid]];
            if (count == nil || [count integerValue] == 0) {
                [noteStoreClient expungeTag:ENDeveloperToken :[tag guid]];
                counter++;
            }
        }
        
        NSLog(@"expunged %ld unused tags", counter);
        
    }
    return 0;
    
}