Clockplus/app/src/main/java/com/philliphsu/clock2/Alarm.java
2016-06-02 14:09:09 -07:00

254 lines
9.3 KiB
Java

package com.philliphsu.clock2;
import android.support.annotation.NonNull;
import com.google.auto.value.AutoValue;
import com.philliphsu.clock2.model.JsonSerializable;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.Calendar;
import java.util.GregorianCalendar;
import static com.philliphsu.clock2.DaysOfWeek.SATURDAY;
import static com.philliphsu.clock2.DaysOfWeek.SUNDAY;
/**
* Created by Phillip Hsu on 5/26/2016.
*/
@AutoValue
public abstract class Alarm implements JsonSerializable {
private static final int MAX_MINUTES_CAN_SNOOZE = 30; // TODO: Delete this along with all snooze stuff.
// JSON property names
private static final String KEY_ENABLED = "enabled";
//private static final String KEY_ID = "id"; // Defined in JsonSerializable
private static final String KEY_HOUR = "hour";
private static final String KEY_MINUTES = "minutes";
private static final String KEY_RECURRING_DAYS = "recurring_days";
private static final String KEY_LABEL = "label";
private static final String KEY_RINGTONE = "ringtone";
private static final String KEY_VIBRATES = "vibrates";
// ========= MUTABLE ==============
private long snoozingUntilMillis;
private boolean enabled;
// ================================
//public abstract long id();
public abstract int hour();
public abstract int minutes();
@SuppressWarnings("mutable")
// TODO: Consider using an immutable collection instead
public abstract boolean[] recurringDays(); // array itself is immutable, but elements are not
public abstract String label();
public abstract String ringtone();
public abstract boolean vibrates();
/** Initializes a Builder to the same property values as this instance */
public abstract Builder toBuilder();
public static Alarm create(JSONObject jsonObject) {
try {
JSONArray a = (JSONArray) jsonObject.get(KEY_RECURRING_DAYS);
boolean[] recurringDays = new boolean[a.length()];
for (int i = 0; i < recurringDays.length; i++) {
recurringDays[i] = a.getBoolean(i);
}
Alarm alarm = new AutoValue_Alarm.Builder()
.id(jsonObject.getLong(KEY_ID))
.hour(jsonObject.getInt(KEY_HOUR))
.minutes(jsonObject.getInt(KEY_MINUTES))
.recurringDays(recurringDays)
.label(jsonObject.getString(KEY_LABEL))
.ringtone(jsonObject.getString(KEY_RINGTONE))
.vibrates(jsonObject.getBoolean(KEY_VIBRATES))
.rebuild();
alarm.setEnabled(jsonObject.getBoolean(KEY_ENABLED));
return alarm;
} catch (JSONException e) {
throw new RuntimeException(e);
}
}
public static Builder builder() {
// Unfortunately, default values must be provided for generated Builders.
// Fields that were not set when build() is called will throw an exception.
// TODO: How can QualityMatters get away with not setting defaults?????
return new AutoValue_Alarm.Builder()
.id(-1)
.hour(0)
.minutes(0)
.recurringDays(new boolean[DaysOfWeek.NUM_DAYS])
.label("")
.ringtone("")
.vibrates(false);
}
public void snooze(int minutes) {
if (minutes <= 0 || minutes > MAX_MINUTES_CAN_SNOOZE)
throw new IllegalArgumentException("Cannot snooze for "+minutes+" minutes");
snoozingUntilMillis = System.currentTimeMillis() + minutes * 60000;
}
public long snoozingUntil() {
return isSnoozed() ? snoozingUntilMillis : 0;
}
public boolean isSnoozed() {
if (snoozingUntilMillis <= System.currentTimeMillis()) {
snoozingUntilMillis = 0;
return false;
}
return true;
}
public void setEnabled(boolean enabled) {
this.enabled = enabled;
}
public boolean isEnabled() {
return enabled;
}
public void setRecurring(int day, boolean recurring) {
checkDay(day);
recurringDays()[day] = recurring;
}
public boolean isRecurring(int day) {
checkDay(day);
return recurringDays()[day];
}
public boolean hasRecurrence() {
return numRecurringDays() > 0;
}
public int numRecurringDays() {
int count = 0;
for (boolean b : recurringDays())
if (b) count++;
return count;
}
public long ringsAt() {
// Always with respect to the current date and time
Calendar calendar = new GregorianCalendar();
calendar.set(Calendar.HOUR_OF_DAY, hour());
calendar.set(Calendar.MINUTE, minutes());
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
if (calendar.getTimeInMillis() <= System.currentTimeMillis()) {
// The specified time has passed for today
// TODO: This should be wrapped in an if (!hasRecurrence())?
calendar.add(Calendar.HOUR_OF_DAY, 24);
// TODO: Else, compute ring time for the next closest recurring day
}
/* // Not fully thought out or completed!
// TODO: Compute ring time for the next closest recurring day
for (int i = 0; i < NUM_DAYS; i++) {
// The constants for the days defined in Calendar are
// not zero-based, but we are, so we must add 1.
int day = i + 1; // day for this index
int calendarDay = mCalendar.get(Calendar.DAY_OF_WEEK);
if (mRecurringDays[day]) {
mCalendar.add(Calendar.DAY_OF_WEEK, day);
break;
}
}
*/
return calendar.getTimeInMillis();
}
public long ringsIn() {
return ringsAt() - System.currentTimeMillis();
}
/** @return true if this Alarm will ring in the next {@code hours} hours */
public boolean ringsWithinHours(int hours) {
return ringsIn() <= hours * 3600000;
}
@Override
@NonNull
public JSONObject toJsonObject() {
try {
return new JSONObject()
.put(KEY_ENABLED, enabled)
.put(KEY_ID, id())
.put(KEY_HOUR, hour())
.put(KEY_MINUTES, minutes())
.put(KEY_RECURRING_DAYS, new JSONArray(recurringDays()))
.put(KEY_LABEL, label())
.put(KEY_RINGTONE, ringtone())
.put(KEY_VIBRATES, vibrates());
} catch (JSONException e) {
throw new RuntimeException(e);
}
}
@AutoValue.Builder
public abstract static class Builder {
private static long idCount = 0; // TODO: change to AtomicLong?
// Builder is mutable, so these are inherently setter methods.
// By omitting the set- prefix, we reduce the number of changes required to define the Builder
// class after copying and pasting the accessor fields here.
public abstract Builder id(long id);
public abstract Builder hour(int hour);
public abstract Builder minutes(int minutes);
// TODO: If using an immutable collection instead, can use its Builder instance
// and provide an "accumulating" method
/*abstract boolean[] recurringDays();
public final Builder setRecurring(int day, boolean recurs) {
checkDay(day)
recurringDays()[day] = recurs;
return this;
}
*/
public abstract Builder recurringDays(boolean[] recurringDays);
/*
public final Builder recurringDay(boolean[] recurringDays) {
this.recurringDays = Arrays.copyOf(recurringDays, NUM_DAYS);
return this;
}
*/
public abstract Builder label(String label);
public abstract Builder ringtone(String ringtone);
public abstract Builder vibrates(boolean vibrates);
// To enforce preconditions, split the build method into two. autoBuild() is hidden from
// callers and is generated. You implement the public build(), which calls the generated
// autoBuild() and performs your desired validations.
/*not public*/abstract Alarm autoBuild();
public Alarm build() {
this.id(++idCount); // TOneverDO: change to post-increment without also adding offset of 1 to idCount in rebuild()
Alarm alarm = autoBuild();
checkTime(alarm.hour(), alarm.minutes());
return alarm;
}
/** Should only be called when recreating an instance from JSON */
private Alarm rebuild() {
Alarm alarm = autoBuild();
idCount = alarm.id(); // prevent future instances from id collision
checkTime(alarm.hour(), alarm.minutes());
return alarm;
}
}
private static void checkDay(int day) {
if (day < SUNDAY || day > SATURDAY) {
throw new IllegalArgumentException("Invalid day of week: " + day);
}
}
private static void checkTime(int hour, int minutes) {
if (hour < 0 || hour > 23 || minutes < 0 || minutes > 59) {
throw new IllegalStateException("Hour and minutes invalid");
}
}
}