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#include "portfolio.h"
void portfolio_file_init() {
char* home = getenv("HOME");
char* path = (char*) malloc(strlen(home) + 30);
memcpy(path, home, strlen(home) + 1);
memcpy(&path[strlen(home)], "/.tick_portfolio.json", 25);
portfolio_file = path;
}
char* portfolio_file_get_string(FILE* fp) {
char* portfolio_string = calloc(65536, 1);
fseek(fp, 0, SEEK_END);
size_t portfolio_size = (size_t) ftell(fp);
fseek(fp, 0, SEEK_SET);
fread(portfolio_string, portfolio_size, sizeof(char), fp);
return portfolio_string;
}
void portfolio_modify(char* ticker_name_string, double quantity_shares, double usd_spent, FILE* fp, int option) {
if (quantity_shares < 0 || usd_spent < 0){
printf("You must use positive values.\n");
return;
}
if (option != SET && quantity_shares == 0 && usd_spent == 0){
printf("You cannot add or remove values of 0.\n");
return;
}
char* portfolio_string = portfolio_file_get_string(fp);
Json* jobj = NULL;
if (strcmp(portfolio_string, "") == 0) { //new file
jobj = json_object_new_array();
} else jobj = json_tokener_parse(portfolio_string); //existing file
if (jobj == NULL)
printf("NULL JOBJ\n");
int index = portfolio_symbol_index(ticker_name_string, jobj);
if (index == -1) { //if not already in portfolio
if (option == REMOVE) {
printf("You don't have any %s to remove.\n", ticker_name_string);
free(portfolio_string);
json_object_put(jobj);
return;
}
if (api_get_current_price(ticker_name_string) == NULL){
printf("Invalid symbol.\n");
json_object_put(jobj);
free(portfolio_string);
return;
}
Json* new_object = json_object_new_object(); //creates new array index and adds values to it
json_object_array_add(jobj, new_object);
json_object_object_add(new_object, "Symbol", json_object_new_string(ticker_name_string));
json_object_object_add(new_object, "Shares", json_object_new_double(quantity_shares));
json_object_object_add(new_object, "USD_Spent", json_object_new_double(usd_spent));
printf("Added %lf %s bought for %lf to portfolio.\n", quantity_shares, ticker_name_string, usd_spent);
} else {
Json* current_index = json_object_array_get_idx(jobj, (size_t) index);
double current_shares = json_object_get_double(json_object_object_get(current_index, "Shares"));
double current_spent = json_object_get_double(json_object_object_get(current_index, "USD_Spent"));
json_object_object_del(current_index, "Shares");
json_object_object_del(current_index, "USD_Spent");
if (option == SET) {
current_shares = quantity_shares;
current_spent = usd_spent;
printf("Set amount of %s in portfolio to %lf bought for %lf.\n", ticker_name_string, quantity_shares, usd_spent);
} else if (option == ADD) {
current_shares += quantity_shares;
current_spent += usd_spent;
printf("Added %lf %s bought for %lf to portfolio.\n", quantity_shares, ticker_name_string, usd_spent);
} else {
current_shares -= quantity_shares;
current_spent -= usd_spent;
if (current_shares < 0 || current_spent < 0) {
printf("You do not have that many %s to remove.\n", ticker_name_string);
json_object_put(jobj);
free(portfolio_string);
return;
}
printf("Removed %lf %s bought for %lf to portfolio.\n", quantity_shares, ticker_name_string, usd_spent);
}
if (current_shares == 0 && usd_spent == 0) //deletes index from portfolio if values are 0
json_object_array_del_idx(jobj, (size_t) index, 1);
else {
json_object_object_add(current_index, "Shares", json_object_new_double(round(current_shares * 100) / 100)); //adds computed values to index
json_object_object_add(current_index, "USD_Spent", json_object_new_double(round(current_spent * 100) / 100));
}
}
fp = fopen(portfolio_file, "w");
fprintf(fp, "%s", json_object_to_json_string(jobj));
fclose(fp);
json_object_put(jobj);
free(portfolio_string);
}
void portfolio_print_all(FILE* fp) {
printf(" AMOUNT SYMBOL VALUE SPENT PROFIT (%%) 24H (%%)\n");
char* portfolio_string = portfolio_file_get_string(fp);
double* data, total_owned = 0, total_spent = 0, total_gain_1d = 0;
if (strcmp(portfolio_string, "") == 0)
return;
Json* jobj = json_tokener_parse(portfolio_string);
int num_symbols = (int) json_object_array_length(jobj);
for (int i = 0; i < num_symbols; i++) {
data = portfolio_print_stock(NULL, NULL, json_object_array_get_idx(jobj, (size_t) i));
if (data != NULL) {
total_owned += data[0];
total_spent += data[1];
total_gain_1d += data[2];
}
free(data);
}
printf("\n TOTALS %8.2lf %8.2lf %8.2lf (%6.2lf%%) %8.2lf (%6.2lf%%)\n",
total_owned, total_spent, total_owned - total_spent, (100 * (total_owned - total_spent)) / total_spent,
total_gain_1d, 100 * total_gain_1d / total_spent);
json_object_put(jobj);
free(portfolio_string);
}
double* portfolio_print_stock(char* ticker_name_string, FILE* fp, Json* current_index) {
/**
* Values in USD
* a[0] -- current balance
* a[1] -- amount spent
* a[2] -- 1d gain
*/
double* data = malloc(sizeof(double) * 3);
char* portfolio_string = NULL;
if (fp == NULL) { //if being called from portfolio_print_all
ticker_name_string = (char*) strip_char(
(char*) json_object_get_string(json_object_object_get(current_index, "Symbol")), '\"');
data[0] = json_object_get_double(json_object_object_get(current_index, "Shares"));
data[1] = json_object_get_double(json_object_object_get(current_index, "USD_Spent"));
} else { //if being called directly from main
portfolio_string = portfolio_file_get_string(fp);
Json* jobj = json_tokener_parse(portfolio_string);
int index = portfolio_symbol_index(ticker_name_string, jobj);
if (index == -1) {
printf("You do not have %s in your portfolio.\n", ticker_name_string);
return data;
}
current_index = json_object_array_get_idx(jobj, (size_t) index);
}
data[0] = json_object_get_double(json_object_object_get(current_index, "Shares"));
data[1] = json_object_get_double(json_object_object_get(current_index, "USD_Spent"));
data[2] = 0;
double* ticker_data, ticker_current_price_usd = 1, ticker_1d_price_usd, ticker_1d_percent_change = 0;
if (strcmp(ticker_name_string, "USD$") != 0) {
ticker_data = api_get_current_price(ticker_name_string);
ticker_current_price_usd = ticker_data[0];
ticker_1d_price_usd = ticker_data[1];
free(ticker_data);
data[2] = ((ticker_current_price_usd - ticker_1d_price_usd) * data[0]);
ticker_1d_percent_change = 100 * (ticker_current_price_usd / ticker_1d_price_usd - 1);
data[0] *= ticker_current_price_usd;
}
printf("%8.2lf %6s %8.2lf %8.2lf %8.2lf (%6.2lf%%) %8.2lf (%6.2lf%%)\n",
data[0] / ticker_current_price_usd, ticker_name_string, data[0], data[1], data[0] - data[1],
(100 * (data[0] - data[1])) / data[1],
data[2], ticker_1d_percent_change);
if (fp == NULL) {
free(ticker_name_string);
free(portfolio_string);
}
return data;
}
int portfolio_symbol_index(char* ticker_name_string, Json* jarray) {
int num_symbols = (int) json_object_array_length(jarray);
char* str;
for (int i = 0; i < num_symbols; i++) {
str = (char*) json_object_to_json_string(
json_object_object_get(json_object_array_get_idx(jarray, (size_t) i), "Symbol"));
str = (char*) strip_char(str, '\"');
if (strcmp(str, ticker_name_string) == 0) {
free(str);
return i;
}
free(str);
}
return -1;
}
char* portfolio_legacy_get_next_val(FILE* fp) {
char* val = calloc(16, 1);
char c;
for (int i = 0; i < 16; i++) {
c = (char) fgetc(fp);
if (c == ' ' || c == '\n'|| feof(fp))
break;
val[i] = c;
}
return val;
}
void portfolio_legacy_convert() {
printf("Warning: this will overwrite your JSON formatted portfolio, which is stored at: \"$HOME/.tick_portfolio\". Continue? y/n\n");
char c = 0;
while (c != 'y' && c != 'n')
scanf("%c", &c);
if (c == 'n'){
printf("Aborted.\n");
return;
}
FILE* fp = fopen(portfolio_file, "a+");
char* pf = portfolio_file_get_string(fp);
if (strcmp(pf, "") != 0)
remove(portfolio_file);
free(pf);
char* legacy_path = malloc(64);
strcpy(legacy_path, portfolio_file);
legacy_path[strlen(legacy_path) - 5] = '\0';
FILE* fp_legacy = fopen(legacy_path, "r");
free(legacy_path);
if (!fp) {
printf("Could not open legacy portfolio.\n");
return;
}
char* symbol, * amount, * spent;
while (1) {
if (feof(fp_legacy))
break;
symbol = portfolio_legacy_get_next_val(fp_legacy);
amount = portfolio_legacy_get_next_val(fp_legacy);
spent = portfolio_legacy_get_next_val(fp_legacy);
portfolio_modify(symbol, strtod(amount, NULL), strtod(spent, NULL), fp, ADD);
free(symbol);
free(amount);
free(spent);
}
printf("Successfully converted portfolio!\n");
fclose(fp_legacy);
fclose(fp);
}
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