generateReport()

gistfile1.txt

 private void generateSpendingReport() throws ParseException{

        String from = "";
        String to = "";
        ParseQuery<ParseObject> query = ParseQuery.getQuery("Transaction");
        query.whereEqualTo("owner", ParseUser.getCurrentUser().getEmail());
       // query.whereLessThanOrEqualTo("createdAt", to);
      //  query.whereGreaterThanOrEqualTo("createdAt", from);
        List<ParseObject> results = query.find();
        System.out.println("date format: " + results.get(0));

        HashMap<String, Double> map = new HashMap<String, Double>();

        // fill the hashmap with <Key,Value> pairs like: "Food 123.21"
        for(ParseObject o : results){
            String key = o.get("tags").toString();
            Double value = Double.parseDouble(o.get("amount").toString());
            if(map.get(key)==null){
                if(value < 0.0){
                    map.put(key,value);
                }
            }else{
                if(value < 0.0){
                    Double old_value = map.get(key);
                    map.put(key, old_value + value);
                }
            }
        }

        for (Map.Entry<String, Double> entry : map.entrySet()) {
            String key = entry.getKey();
            Double value = entry.getValue();
            System.out.println("key-value : " + key+ " : " + value);
        }
    }


    private void generateIncomeReport() throws ParseException{

        ParseQuery<ParseObject> query = ParseQuery.getQuery("Transaction");
        query.whereEqualTo("owner", ParseUser.getCurrentUser().getEmail());
        // query.whereLessThanOrEqualTo("createdAt", to);
        //  query.whereGreaterThanOrEqualTo("createdAt", from);
        List<ParseObject> results = query.find();
        System.out.println("date format: " + results.get(0));

        HashMap<String, Double> map = new HashMap<String, Double>();

        // fill the hashmap with <Key,Value> pairs like: "Food 123.21"
        for(ParseObject o : results){
            String key = o.get("tags").toString();
            Double value = Double.parseDouble(o.get("amount").toString());
            if(map.get(key)==null){
                if(value > 0.0){
                    map.put(key,value);
                }
            }else{
                if(value > 0.0){
                    Double old_value = map.get(key);
                    map.put(key, old_value + value);
                }
            }
        }

        for (Map.Entry<String, Double> entry : map.entrySet()) {
            String key = entry.getKey();
            Double value = entry.getValue();
            System.out.println("key-value : " + key+ " : " + value);
        }
    }

}