Add intent to change date format

__init__.py

@@ -197,6 +197,31 @@ def handle_time_format_change(self, message: Message):
             self.speak_dialog("time_format_changed",
                               {"scale": str(new_setting)}, private=True)
 
+    @intent_handler(IntentBuilder("ChangeDate").require("change")
+                    .require("date").one_of("mdy", "dmy", "ymd").build())
+    def handle_date_format_change(self, message: Message):
+        """
+        Handle a request to set date format to DMY, MDY, or YMD format
+        :param message: Message associated with request
+        """
+        new_setting = "YMD" if message.data.get("ymd") else \
+            "MDY" if message.data.get("mdy") else \
+            "DMY" if message.data.get("dmy") else None
+        if not new_setting:
+            raise RuntimeError("Missing required date format vocab")
+
+        current_setting = get_user_prefs(message)["units"]["date"]
+        if new_setting == current_setting:
+            self.speak_dialog("date_format_already_set",
+                              {"format": message.data.get(new_setting.lower())},
+                              private=True)
+        else:
+            updated_prefs = {"units": {"date": new_setting}}
+            self.update_profile(updated_prefs, message)
+            self.speak_dialog("date_format_changed",
+                              {"format": message.data.get(new_setting.lower())},
+                              private=True)
+
     @intent_handler(IntentBuilder("SetHesitation").one_of("permit", "deny")
                     .require("hesitation").build())
     def handle_speak_hesitation(self, message: Message):

locale/en-us/dialog/date_format_already_set.dialog

@@ -0,0 +1 @@
+Date format is already set to {{format}}.

locale/en-us/dialog/date_format_changed.dialog

@@ -0,0 +1 @@
+Date format changed to {{format}}.

locale/en-us/vocab/date.voc

@@ -0,0 +1 @@
+date

locale/en-us/vocab/dmy.voc

@@ -0,0 +1 @@
+day month year

locale/en-us/vocab/mdy.voc

@@ -0,0 +1 @@
+month day year

locale/en-us/vocab/ymd.voc

@@ -0,0 +1 @@
+year month day

test/test_intents.yaml

@@ -44,6 +44,13 @@ en-us:
         - full
     - change to military time:
         - full
+  ChangeDate:
+    - use year month day date format:
+        - ymd
+    - change date format to month day year:
+        - mdy
+    - change to day month year date format:
+        - dmy
   SetHesitation:
     - enable hesitation:
         - permit

test/test_resources.yaml

@@ -51,6 +51,10 @@ vocab:
   - 'timezone'
   - 'units'
   - 'username'
+  - 'date'
+  - 'dmy'
+  - 'mdy'
+  - 'ymd'
 
 # dialog is .dialog file basenames (case-sensitive)
 dialog:
@@ -132,6 +136,8 @@ dialog:
   - 'word_dot'
   - 'word_at'
   - 'word_email_title'
+  - 'date_format_already_set'
+  - 'date_format_changed'
 # regex entities, not necessarily filenames
 regex:
   - 'rx_language'
@@ -153,6 +159,7 @@ intents:
   adapt:
     - ChangeUnits
     - ChangeTime
+    - ChangeDate
     - SetHesitation
     - Transcription
     - SpeakSpeed

test/test_skill.py

@@ -203,6 +203,44 @@ def test_handle_time_format_change(self):
         self.assertEqual(
             test_message.context["user_profiles"][0]["units"]["time"], 12)
 
+    def test_handle_date_format_change(self):
+        test_profile = self.user_config
+        test_profile["user"]["username"] = "test_user"
+        test_profile["units"]["date"] = "MDY"
+        test_message = Message("test", {"mdy": "month day year"},
+                               {"username": "test_user",
+                                "user_profiles": [test_profile]})
+        # MDY -> MDY
+        self.skill.handle_date_format_change(test_message)
+        self.skill.speak_dialog.assert_called_once_with(
+            "date_format_already_set", {"format": "month day year"},
+            private=True)
+        self.assertEqual(
+            test_message.context["user_profiles"][0]["units"]["date"], "MDY")
+        # MDY -> YMD
+        test_message.data = {"ymd": "year month day"}
+        self.skill.handle_date_format_change(test_message)
+        self.skill.speak_dialog.assert_called_with("date_format_changed",
+                                                   {"format": "year month day"},
+                                                   private=True)
+        self.assertEqual(
+            test_message.context["user_profiles"][0]["units"]["date"], "YMD")
+        # YMD -> YMD
+        self.skill.handle_date_format_change(test_message)
+        self.skill.speak_dialog.assert_called_with("date_format_already_set",
+                                                   {"format": "year month day"},
+                                                   private=True)
+        self.assertEqual(
+            test_message.context["user_profiles"][0]["units"]["date"], "YMD")
+        # YMD -> DMY
+        test_message.data = {"dmy": "day month year"}
+        self.skill.handle_date_format_change(test_message)
+        self.skill.speak_dialog.assert_called_with("date_format_changed",
+                                                   {"format": "day month year"},
+                                                   private=True)
+        self.assertEqual(
+            test_message.context["user_profiles"][0]["units"]["date"], "DMY")
+
     def test_handle_speech_hesitation(self):
         test_profile = self.user_config
         test_profile["user"]["username"] = "test_user"