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package cointop
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"os"
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"strings"
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"time"
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"github.com/BurntSushi/toml"
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)
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var fileperm = os.FileMode(0644)
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type config struct {
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Shortcuts map[string]interface{} `toml:"shortcuts"`
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Favorites map[string][]interface{} `toml:"favorites"`
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Portfolio map[string]interface{} `toml:"portfolio"`
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Currency interface{} `toml:"currency"`
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DefaultView interface{} `toml:"default_view"`
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CoinMarketCap map[string]interface{} `toml:"coinmarketcap"`
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API interface{} `toml:"api"`
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Colorscheme interface{} `toml:"colorscheme"`
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RefreshRate interface{} `toml:"refresh_rate"`
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}
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func (ct *Cointop) setupConfig() error {
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if err := ct.createConfigIfNotExists(); err != nil {
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return err
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}
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if err := ct.parseConfig(); err != nil {
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return err
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}
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if err := ct.loadShortcutsFromConfig(); err != nil {
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return err
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}
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if err := ct.loadFavoritesFromConfig(); err != nil {
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return err
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}
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if err := ct.loadPortfolioFromConfig(); err != nil {
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return err
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}
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if err := ct.loadCurrencyFromConfig(); err != nil {
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return err
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}
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if err := ct.loadDefaultViewFromConfig(); err != nil {
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return err
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}
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if err := ct.loadAPIKeysFromConfig(); err != nil {
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return err
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}
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if err := ct.loadAPIChoiceFromConfig(); err != nil {
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return err
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}
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if err := ct.loadColorschemeFromConfig(); err != nil {
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return err
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}
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if err := ct.loadRefreshRateFromConfig(); err != nil {
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return err
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}
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return nil
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}
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func (ct *Cointop) createConfigIfNotExists() error {
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err := ct.makeConfigDir()
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if err != nil {
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return err
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}
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// NOTE: legacy support for default path
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path := ct.configPath()
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oldConfigPath := strings.Replace(path, "cointop/config.toml", "cointop/config", 1)
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if _, err := os.Stat(oldConfigPath); err == nil {
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path = oldConfigPath
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ct.configFilepath = oldConfigPath
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return nil
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}
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err = ct.makeConfigFile()
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if err != nil {
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return err
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}
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return nil
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}
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func (ct *Cointop) configDirPath() string {
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path := normalizePath(ct.configFilepath)
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parts := strings.Split(path, "/")
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return strings.Join(parts[0:len(parts)-1], "/")
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}
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func (ct *Cointop) configPath() string {
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return normalizePath(ct.configFilepath)
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}
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func (ct *Cointop) makeConfigDir() error {
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path := ct.configDirPath()
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if _, err := os.Stat(path); os.IsNotExist(err) {
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return os.Mkdir(path, os.ModePerm)
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}
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return nil
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}
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func (ct *Cointop) makeConfigFile() error {
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path := ct.configPath()
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if _, err := os.Stat(path); os.IsNotExist(err) {
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fo, err := os.Create(path)
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if err != nil {
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return err
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}
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defer fo.Close()
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b, err := ct.configToToml()
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if err != nil {
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return err
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}
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if _, err := fo.Write(b); err != nil {
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return err
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}
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}
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return nil
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}
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func (ct *Cointop) saveConfig() error {
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ct.saveMux.Lock()
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defer ct.saveMux.Unlock()
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path := ct.configPath()
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if _, err := os.Stat(path); err == nil {
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b, err := ct.configToToml()
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if err != nil {
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return err
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}
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err = ioutil.WriteFile(path, b, fileperm)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func (ct *Cointop) parseConfig() error {
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var conf config
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path := ct.configPath()
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if _, err := toml.DecodeFile(path, &conf); err != nil {
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return err
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}
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ct.config = conf
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return nil
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}
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func (ct *Cointop) configToToml() ([]byte, error) {
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shortcutsIfcs := map[string]interface{}{}
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for k, v := range ct.State.shortcutKeys {
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var i interface{} = v
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shortcutsIfcs[k] = i
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}
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var favorites []interface{}
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for k, ok := range ct.State.favorites {
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if ok {
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var i interface{} = k
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favorites = append(favorites, i)
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}
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}
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var favoritesbysymbol []interface{}
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favoritesIfcs := map[string][]interface{}{
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// DEPRECATED: favorites by 'symbol' is deprecated because of collisions. Kept for backward compatibility.
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"symbols": favoritesbysymbol,
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"names": favorites,
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}
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portfolioIfc := map[string]interface{}{}
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for name := range ct.State.portfolio.Entries {
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entry, ok := ct.State.portfolio.Entries[name]
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if !ok || entry.Coin == "" {
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continue
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}
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var i interface{} = entry.Holdings
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portfolioIfc[entry.Coin] = i
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}
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var currencyIfc interface{} = ct.State.currencyConversion
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var defaultViewIfc interface{} = ct.State.defaultView
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var colorschemeIfc interface{} = ct.colorschemeName
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var refreshRateIfc interface{} = uint(ct.State.refreshRate.Seconds())
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cmcIfc := map[string]interface{}{
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"pro_api_key": ct.apiKeys.cmc,
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}
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var apiChoiceIfc interface{} = ct.apiChoice
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var inputs = &config{
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API: apiChoiceIfc,
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Colorscheme: colorschemeIfc,
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CoinMarketCap: cmcIfc,
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Currency: currencyIfc,
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DefaultView: defaultViewIfc,
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Favorites: favoritesIfcs,
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RefreshRate: refreshRateIfc,
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Shortcuts: shortcutsIfcs,
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Portfolio: portfolioIfc,
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}
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var b bytes.Buffer
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encoder := toml.NewEncoder(&b)
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err := encoder.Encode(inputs)
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if err != nil {
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return nil, err
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}
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return b.Bytes(), nil
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}
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func (ct *Cointop) loadShortcutsFromConfig() error {
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for k, ifc := range ct.config.Shortcuts {
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if v, ok := ifc.(string); ok {
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if !ct.actionExists(v) {
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continue
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}
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if ct.State.shortcutKeys[k] == "" {
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continue
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}
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ct.State.shortcutKeys[k] = v
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}
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}
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return nil
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}
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func (ct *Cointop) loadCurrencyFromConfig() error {
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if currency, ok := ct.config.Currency.(string); ok {
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ct.State.currencyConversion = strings.ToUpper(currency)
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}
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return nil
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}
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func (ct *Cointop) loadDefaultViewFromConfig() error {
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if defaultView, ok := ct.config.DefaultView.(string); ok {
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defaultView = strings.ToLower(defaultView)
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switch defaultView {
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case "portfolio":
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ct.State.portfolioVisible = true
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case "favorites":
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ct.State.filterByFavorites = true
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case "default":
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fallthrough
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default:
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ct.State.portfolioVisible = false
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ct.State.filterByFavorites = false
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defaultView = "default"
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}
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ct.State.defaultView = defaultView
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}
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return nil
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}
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func (ct *Cointop) loadAPIKeysFromConfig() error {
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for key, value := range ct.config.CoinMarketCap {
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k := strings.TrimSpace(strings.ToLower(key))
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if k == "pro_api_key" {
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ct.apiKeys.cmc = value.(string)
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}
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}
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return nil
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}
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func (ct *Cointop) loadColorschemeFromConfig() error {
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if colorscheme, ok := ct.config.Colorscheme.(string); ok {
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ct.colorschemeName = colorscheme
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}
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return nil
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}
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func (ct *Cointop) loadRefreshRateFromConfig() error {
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if refreshRate, ok := ct.config.RefreshRate.(int64); ok {
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ct.State.refreshRate = time.Duration(uint(refreshRate)) * time.Second
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}
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return nil
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}
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func (ct *Cointop) getColorschemeColors() (map[string]interface{}, error) {
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var colors map[string]interface{}
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if ct.colorschemeName == "" {
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ct.colorschemeName = defaultColorscheme
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if _, err := toml.Decode(DefaultColors, &colors); err != nil {
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return nil, err
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}
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} else {
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path := normalizePath(fmt.Sprintf("~/.cointop/colors/%s.toml", ct.colorschemeName))
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if _, err := os.Stat(path); os.IsNotExist(err) {
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// NOTE: case for when cointop is set as the theme but the colorscheme file doesn't exist
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if ct.colorschemeName == "cointop" {
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if _, err := toml.Decode(DefaultColors, &colors); err != nil {
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return nil, err
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}
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return colors, nil
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}
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return nil, fmt.Errorf("The colorscheme file %q was not found.\n\nTo install standard themes, do:\n\ngit clone git@github.com:cointop-sh/colors.git ~/.cointop/colors\n\nFor additional instructions, visit: https://github.com/cointop-sh/colors", path)
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}
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if _, err := toml.DecodeFile(path, &colors); err != nil {
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return nil, err
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}
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}
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return colors, nil
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}
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func (ct *Cointop) loadAPIChoiceFromConfig() error {
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apiChoice, ok := ct.config.API.(string)
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if ok {
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apiChoice = strings.TrimSpace(strings.ToLower(apiChoice))
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ct.apiChoice = apiChoice
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}
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return nil
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}
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func (ct *Cointop) loadFavoritesFromConfig() error {
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for k, arr := range ct.config.Favorites {
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// DEPRECATED: favorites by 'symbol' is deprecated because of collisions. Kept for backward compatibility.
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if k == "symbols" {
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for _, ifc := range arr {
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if v, ok := ifc.(string); ok {
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ct.State.favoritesbysymbol[strings.ToUpper(v)] = true
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}
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}
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} else if k == "names" {
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for _, ifc := range arr {
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if v, ok := ifc.(string); ok {
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ct.State.favorites[v] = true
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}
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}
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}
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}
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return nil
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}
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func (ct *Cointop) loadPortfolioFromConfig() error {
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for name, holdingsIfc := range ct.config.Portfolio {
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var holdings float64
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var ok bool
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if holdings, ok = holdingsIfc.(float64); !ok {
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if holdingsInt, ok := holdingsIfc.(int64); ok {
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holdings = float64(holdingsInt)
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}
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}
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ct.setPortfolioEntry(name, holdings)
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}
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return nil
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}
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