AppData.cpp

#include "AppData.h"
#include <string.h>
#include <dirent.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <stdio.h>
#include <fstream>
#include <iostream>

const char* USB_PATCHES="/usbdrive/Patches";
const char* SD_PATCHES="/sdcard/Patches";
const char* DEFAULT_PATCHES="/usbdrive/Patches";

const char* USB_USERDIR="/usbdrive";
const char* SD_USERDIR="/sdcard";
const char* DEFAULT_USERDIR="/usbdrive";

const char* DEFAULT_FW="/root/fw_dir";

const char* getDefaultPatchDir() {
    struct stat st;
    if(stat(USB_PATCHES, &st)==0) {
        return USB_PATCHES;
    }
    if(stat(SD_PATCHES, &st)==0) {
        return SD_PATCHES;
    }
    return DEFAULT_PATCHES;
}

const char* getDefaultUserDir() {
    if(system("grep -qs /usbdrive /proc/mounts")==0) {
        return USB_USERDIR;
    }
    if(system("grep -qs /sdcard /proc/mounts")==0) {
        return SD_USERDIR;
    }
    return DEFAULT_USERDIR;
}

const std::string getDefaultSystemDir(std::string& user_path) {
    return (user_path + "/System");
}


const char* getDefaultFirwareDir() {
    if (getenv("FW_DIR")) return getenv("FW_DIR");
    else return DEFAULT_FW;
}

AppData::AppData(){
    patchIsRunning =false;
    patchIsLoading =false;
    menuScreenTimeout = MENU_TIMEOUT;
    currentScreen = MENU;
    patchScreenEncoderOverride = 0;
    auxScreenEncoderOverride = 0;
    ledFlashCounter = 0;
    ledColor = 0;
    setPatchDir(NULL);
    setFirmwareDir(NULL);
    setUserDir(NULL);
    inL = inR = outL = outR = peaks = 0;
    wifiStatus = 0;
    micLineSelection = 99; // so it gets correct initial value
}

bool AppData::isPatchHome() {
    return patches_path==getDefaultPatchDir();
}

bool AppData::isSystemHome() {
    return system_path==getDefaultSystemDir(user_path);
}

void AppData::setPatchDir(const char* path) {
    if(path==NULL) {
        patches_path=getDefaultPatchDir();
    } else {
        patches_path=path;
    }
}

void AppData::setUserDir(const char* path) {
    if(path==NULL) {
        //strncpy(usercmds_path,"/sdcard/System",256);
        user_path=getDefaultUserDir();
    } else {
        user_path=path;
    }
    system_path = getDefaultSystemDir(user_path);
    
    // stash the user dir in a tmp file for other parts of the system to use (like web apps)
    std::string cmd = std::string("echo ") + user_path + " > /tmp/user_dir";
    system(cmd.c_str());
}

void  AppData::setSystemDir(const char* path) {
    if(path==NULL) {
        system_path=getDefaultSystemDir(user_path);
    } else {
        system_path=path;
    }
}


void AppData::setFirmwareDir(const char* path) {
    if(path==NULL) {
        firmware_path=getDefaultFirwareDir();
        std::cout << "Using FW DIR: " << firmware_path  << std::endl;
    } else {
        firmware_path=path;
    }
    // stash the fw dir in a tmp file for other parts of the system to use (like web apps)
    std::string cmd = std::string("echo ") + firmware_path + " > /tmp/fw_dir";
    system(cmd.c_str());
}