import net.ktnx.mobileledger.async.SendTransactionTask;
import net.ktnx.mobileledger.model.Currency;
+import net.ktnx.mobileledger.model.HledgerVersion;
import net.ktnx.mobileledger.model.MobileLedgerProfile;
import net.ktnx.mobileledger.utils.Colors;
+import net.ktnx.mobileledger.utils.Logger;
import net.ktnx.mobileledger.utils.Misc;
+import net.ktnx.mobileledger.utils.NetworkUtil;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.util.Locale;
+import java.util.Objects;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
public class ProfileDetailModel extends ViewModel {
private static final String HTTPS_URL_START = "https://";
private final MutableLiveData<String> authPassword = new MutableLiveData<>(null);
private final MutableLiveData<String> preferredAccountsFilter = new MutableLiveData<>(null);
private final MutableLiveData<Integer> themeId = new MutableLiveData<>(-1);
+ private final MutableLiveData<HledgerVersion> detectedVersion = new MutableLiveData<>(null);
+ private final MutableLiveData<Boolean> detectingHledgerVersion = new MutableLiveData<>(false);
public int initialThemeHue = Colors.DEFAULT_HUE_DEG;
+ private VersionDetectionThread versionDetectionThread;
public ProfileDetailModel() {
}
String getProfileName() {
void observeApiVersion(LifecycleOwner lfo, Observer<SendTransactionTask.API> o) {
apiVersion.observe(lfo, o);
}
+ HledgerVersion getDetectedVersion() { return detectedVersion.getValue(); }
+ void setDetectedVersion(HledgerVersion newValue) {
+ if (!Objects.equals(detectedVersion.getValue(), newValue))
+ detectedVersion.setValue(newValue);
+ }
+ void observeDetectedVersion(LifecycleOwner lfo, Observer<HledgerVersion> o) {
+ detectedVersion.observe(lfo, o);
+ }
String getUrl() {
return url.getValue();
}
void observeThemeId(LifecycleOwner lfo, Observer<Integer> o) {
themeId.observe(lfo, o);
}
+ void observeDetectingHledgerVersion(LifecycleOwner lfo, Observer<Boolean> o) {
+ detectingHledgerVersion.observe(lfo, o);
+ }
void setValuesFromProfile(MobileLedgerProfile mProfile, int newProfileHue) {
final int profileThemeId;
if (mProfile != null) {
authPassword.setValue(mProfile.isAuthEnabled() ? mProfile.getAuthPassword() : "");
preferredAccountsFilter.setValue(mProfile.getPreferredAccountsFilter());
themeId.setValue(mProfile.getThemeHue());
+ detectedVersion.setValue(mProfile.getDetectedVersion());
}
else {
profileName.setValue(null);
authPassword.setValue("");
preferredAccountsFilter.setValue(null);
themeId.setValue(newProfileHue);
+ detectedVersion.setValue(null);
}
-
-
}
void updateProfile(MobileLedgerProfile mProfile) {
mProfile.setName(profileName.getValue());
mProfile.setThemeHue(themeId.getValue());
mProfile.setFutureDates(futureDates.getValue());
mProfile.setApiVersion(apiVersion.getValue());
+ mProfile.setDetectedVersion(detectedVersion.getValue());
+ }
+ synchronized public void triggerVersionDetection() {
+ if (versionDetectionThread != null)
+ versionDetectionThread.interrupt();
+
+ versionDetectionThread = new VersionDetectionThread(this);
+ versionDetectionThread.start();
+ }
+ static class VersionDetectionThread extends Thread {
+ static final int TARGET_PROCESS_DURATION = 1000;
+ private final Pattern versionPattern =
+ Pattern.compile("^\"(\\d+)\\.(\\d+)(?:\\.(\\d+))?\"$");
+ private final ProfileDetailModel model;
+ public VersionDetectionThread(ProfileDetailModel model) {
+ this.model = model;
+ }
+ private HledgerVersion detectVersion() {
+ HttpURLConnection http = null;
+ try {
+ http = NetworkUtil.prepareConnection(model.getUrl(), "version",
+ model.getUseAuthentication());
+ switch (http.getResponseCode()) {
+ case 200:
+ break;
+ case 404:
+ return new HledgerVersion(true);
+ default:
+ Logger.debug("profile", String.format(Locale.US,
+ "HTTP error detecting hledger-web version: [%d] %s",
+ http.getResponseCode(), http.getResponseMessage()));
+ return null;
+ }
+ InputStream stream = http.getInputStream();
+ BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
+ String version = reader.readLine();
+ Matcher m = versionPattern.matcher(version);
+ if (m.matches()) {
+ int major = Integer.parseInt(Objects.requireNonNull(m.group(1)));
+ int minor = Integer.parseInt(Objects.requireNonNull(m.group(2)));
+ final boolean hasPatch = m.groupCount() >= 3;
+ int patch = hasPatch ? Integer.parseInt(Objects.requireNonNull(m.group(3))) : 0;
+
+ return hasPatch ? new HledgerVersion(major, minor, patch)
+ : new HledgerVersion(major, minor);
+ }
+ else {
+ Logger.debug("profile",
+ String.format("Unrecognised version string '%s'", version));
+ return null;
+ }
+ }
+ catch (IOException e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+ @Override
+ public void run() {
+ model.detectingHledgerVersion.postValue(true);
+ try {
+ long startTime = System.currentTimeMillis();
+
+ final HledgerVersion version = detectVersion();
+
+ long elapsed = System.currentTimeMillis() - startTime;
+ Logger.debug("profile", "Detection duration " + elapsed);
+ if (elapsed < TARGET_PROCESS_DURATION) {
+ try {
+ Thread.sleep(TARGET_PROCESS_DURATION - elapsed);
+ }
+ catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ }
+ model.detectedVersion.postValue(version);
+ }
+ finally {
+ model.detectingHledgerVersion.postValue(false);
+ }
+ }
}
}