Add support to logbook component to browse days

homeassistant/components/logbook.py

@@ -4,12 +4,14 @@ homeassistant.components.logbook
 
 Parses events and generates a human log.
 """
+from datetime import timedelta
 from itertools import groupby
+import re
 
 from homeassistant import State, DOMAIN as HA_DOMAIN
 from homeassistant.const import (
     EVENT_STATE_CHANGED, STATE_HOME, STATE_ON, STATE_OFF,
-    EVENT_HOMEASSISTANT_START, EVENT_HOMEASSISTANT_STOP)
+    EVENT_HOMEASSISTANT_START, EVENT_HOMEASSISTANT_STOP, HTTP_BAD_REQUEST)
 import homeassistant.util.dt as dt_util
 import homeassistant.components.recorder as recorder
 import homeassistant.components.sun as sun
@@ -17,12 +19,10 @@ import homeassistant.components.sun as sun
 DOMAIN = "logbook"
 DEPENDENCIES = ['recorder', 'http']
 
-URL_LOGBOOK = '/api/logbook'
+URL_LOGBOOK = re.compile(r'/api/logbook(?:/(?P<date>\d{4}-\d{2}-\d{2})|)')
 
-QUERY_EVENTS_AFTER = "SELECT * FROM events WHERE time_fired > ?"
 QUERY_EVENTS_BETWEEN = """
     SELECT * FROM events WHERE time_fired > ? AND time_fired < ?
-    ORDER BY time_fired
 """
 
 GROUP_BY_MINUTES = 15
@@ -37,11 +37,26 @@ def setup(hass, config):
 
 def _handle_get_logbook(handler, path_match, data):
     """ Return logbook entries. """
-    start_today = dt_util.now().replace(hour=0, minute=0, second=0)
+    date_str = path_match.group('date')
 
-    handler.write_json(humanify(
-        recorder.query_events(
-            QUERY_EVENTS_AFTER, (dt_util.as_utc(start_today),))))
+    if date_str:
+        start_date = dt_util.date_str_to_date(date_str)
+
+        if start_date is None:
+            handler.write_json_message("Error parsing JSON", HTTP_BAD_REQUEST)
+            return
+
+        start_day = dt_util.start_of_local_day(start_date)
+    else:
+        start_day = dt_util.start_of_local_day()
+
+    end_day = start_day + timedelta(days=1)
+
+    events = recorder.query_events(
+        QUERY_EVENTS_BETWEEN,
+        (dt_util.as_utc(start_day), dt_util.as_utc(end_day)))
+
+    handler.write_json(humanify(events))
 
 
 class Entry(object):

homeassistant/components/sensor/swiss_public_transport.py

@@ -122,7 +122,7 @@ class PublicTransportData(object):
 
         try:
             return [
-                dt_util.datetime_to_short_time_str(
+                dt_util.datetime_to_time_str(
                     dt_util.as_local(dt_util.utc_from_timestamp(
                         item['from']['departureTimestamp']))
                 )

homeassistant/components/sensor/time_date.py

@@ -89,9 +89,9 @@ class TimeDateSensor(Entity):
         """ Gets the latest data and updates the states. """
 
         time_date = dt_util.utcnow()
-        time = dt_util.datetime_to_short_time_str(dt_util.as_local(time_date))
-        time_utc = dt_util.datetime_to_short_time_str(time_date)
-        date = dt_util.datetime_to_short_date_str(dt_util.as_local(time_date))
+        time = dt_util.datetime_to_time_str(dt_util.as_local(time_date))
+        time_utc = dt_util.datetime_to_time_str(time_date)
+        date = dt_util.datetime_to_date_str(dt_util.as_local(time_date))
 
         # Calculate the beat (Swatch Internet Time) time without date.
         hours, minutes, seconds = time_date.strftime('%H:%M:%S').split(':')

homeassistant/util/dt.py

@@ -9,9 +9,9 @@ import datetime as dt
 
 import pytz
 
-DATE_STR_FORMAT = "%H:%M:%S %d-%m-%Y"
-DATE_SHORT_STR_FORMAT = "%Y-%m-%d"
-TIME_SHORT_STR_FORMAT = "%H:%M"
+DATETIME_STR_FORMAT = "%H:%M:%S %d-%m-%Y"
+DATE_STR_FORMAT = "%Y-%m-%d"
+TIME_STR_FORMAT = "%H:%M"
 UTC = DEFAULT_TIME_ZONE = pytz.utc
 
 
@@ -34,7 +34,7 @@ def get_time_zone(time_zone_str):
 
 def utcnow():
     """ Get now in UTC time. """
-    return dt.datetime.now(pytz.utc)
+    return dt.datetime.now(UTC)
 
 
 def now(time_zone=None):
@@ -45,12 +45,12 @@ def now(time_zone=None):
 def as_utc(dattim):
     """ Return a datetime as UTC time.
         Assumes datetime without tzinfo to be in the DEFAULT_TIME_ZONE. """
-    if dattim.tzinfo == pytz.utc:
+    if dattim.tzinfo == UTC:
         return dattim
     elif dattim.tzinfo is None:
         dattim = dattim.replace(tzinfo=DEFAULT_TIME_ZONE)
 
-    return dattim.astimezone(pytz.utc)
+    return dattim.astimezone(UTC)
 
 
 def as_local(dattim):
@@ -58,17 +58,28 @@ def as_local(dattim):
     if dattim.tzinfo == DEFAULT_TIME_ZONE:
         return dattim
     elif dattim.tzinfo is None:
-        dattim = dattim.replace(tzinfo=pytz.utc)
+        dattim = dattim.replace(tzinfo=UTC)
 
     return dattim.astimezone(DEFAULT_TIME_ZONE)
 
 
 def utc_from_timestamp(timestamp):
     """ Returns a UTC time from a timestamp. """
-    return dt.datetime.utcfromtimestamp(timestamp).replace(tzinfo=pytz.utc)
+    return dt.datetime.utcfromtimestamp(timestamp).replace(tzinfo=UTC)
 
 
-def datetime_to_local_str(dattim, time_zone=None):
+def start_of_local_day(dt_or_d=None):
+    """ Return local datetime object of start of day from date or datetime. """
+    if dt_or_d is None:
+        dt_or_d = now().date()
+    elif isinstance(dt_or_d, dt.datetime):
+        dt_or_d = dt_or_d.date()
+
+    return dt.datetime.combine(dt_or_d, dt.time()).replace(
+        tzinfo=DEFAULT_TIME_ZONE)
+
+
+def datetime_to_local_str(dattim):
     """ Converts datetime to specified time_zone and returns a string. """
     return datetime_to_str(as_local(dattim))
 
@@ -76,27 +87,27 @@ def datetime_to_local_str(dattim, time_zone=None):
 def datetime_to_str(dattim):
     """ Converts datetime to a string format.
 
+    @rtype : str
+    """
+    return dattim.strftime(DATETIME_STR_FORMAT)
+
+
+def datetime_to_time_str(dattim):
+    """ Converts datetime to a string containing only the time.
+
+    @rtype : str
+    """
+    return dattim.strftime(TIME_STR_FORMAT)
+
+
+def datetime_to_date_str(dattim):
+    """ Converts datetime to a string containing only the date.
+
     @rtype : str
     """
     return dattim.strftime(DATE_STR_FORMAT)
 
 
-def datetime_to_short_time_str(dattim):
-    """ Converts datetime to a string format as short time.
-
-    @rtype : str
-    """
-    return dattim.strftime(TIME_SHORT_STR_FORMAT)
-
-
-def datetime_to_short_date_str(dattim):
-    """ Converts datetime to a string format as short date.
-
-    @rtype : str
-    """
-    return dattim.strftime(DATE_SHORT_STR_FORMAT)
-
-
 def str_to_datetime(dt_str):
     """ Converts a string to a UTC datetime object.
 
@@ -104,7 +115,15 @@ def str_to_datetime(dt_str):
     """
     try:
         return dt.datetime.strptime(
-            dt_str, DATE_STR_FORMAT).replace(tzinfo=pytz.utc)
+            dt_str, DATETIME_STR_FORMAT).replace(tzinfo=pytz.utc)
+    except ValueError:  # If dt_str did not match our format
+        return None
+
+
+def date_str_to_date(dt_str):
+    """ Converts a date string to a date object. """
+    try:
+        return dt.datetime.strptime(dt_str, DATE_STR_FORMAT).date()
     except ValueError:  # If dt_str did not match our format
         return None