Update Recording model to use proper timestamps

app/mod_devices/__init__.py

@@ -1,12 +1,14 @@
 import atexit
 from flask import Blueprint
 from .. import db
-from .mqtt_client import tear_down_mqtt, setup_mqtt
 
 devices = Blueprint('devices', __name__)
 
-# Models
 from .models import Recording
+# Models
+
+# Mqtt
+from .mqtt_client import tear_down_mqtt, setup_mqtt
 
 # When app dies, stop mqtt connection
 def on_stop():

app/mod_devices/models.py

@@ -2,21 +2,28 @@ from datetime import datetime
 from . import db
 from sqlalchemy.dialects.postgresql import JSON
 
+
 class Recording(db.Model):
     __tablename__ = 'recordings'
 
     id = db.Column(db.Integer, primary_key=True)
-    recorded_at = db.Column(db.DateTime, primary_key=True, index=True,
+    recorded_at = db.Column(db.DateTime, index=True,
                             default=datetime.utcnow())
-    device_id = db.Column(db.Integer, primary_key=True)
+    received_at = db.Column(db.DateTime, index=True,
+                            default=datetime.utcnow())
+    device_id = db.Column(db.Integer)
     record_type = db.Column(db.Integer, nullable=False)
     record_value = db.Column(db.String, nullable=False)
     raw_record = db.Column(JSON, nullable=True)
 
-    def __init__(self, device_id, record_type, record_value):
+    def __init__(self, device_id, record_type,
+                 record_value, recorded_at, raw_json):
         self.device_id = device_id
         self.record_type = record_type
         self.record_value = record_value
+        self.recorded_at = recorded_at
+        self.received_at = datetime.utcnow()
+        self.raw_record = raw_json
 
     def __repr__(self):
         return '<Recording %r>' % self.recorded_at

app/mod_devices/mqtt_client.py

@@ -1,4 +1,7 @@
+from datetime import datetime
 from flask_mqtt import Mqtt
+from .models import Recording
+from . import db
 
 mqtt = Mqtt()
 
@@ -34,10 +37,7 @@ def handle_subscribe(client, userdata, mid, granted_qos):
 
 
 def handle_mqtt_message(client, userdata, message):
-    data = dict(
+    recording = Recording(1, 1, "315", datetime.utcnow(), "{}")
-        topic=message.topic,
+    db.session.add(recording)
-        payload=message.payload.decode()
+    db.session.commit()
-    )
     print(message.payload.decode())
-
-

migrations/versions/56ec2b819bd8_.py

@@ -1,8 +1,8 @@
 """empty message
 
-Revision ID: 33133bc3ce1d
+Revision ID: 56ec2b819bd8
 Revises: 
-Create Date: 2018-04-27 10:45:32.919141
+Create Date: 2018-04-27 16:05:14.796856
 
 """
 from alembic import op
@@ -10,7 +10,7 @@ import sqlalchemy as sa
 from sqlalchemy.dialects import postgresql
 
 # revision identifiers, used by Alembic.
-revision = '33133bc3ce1d'
+revision = '56ec2b819bd8'
 down_revision = None
 branch_labels = None
 depends_on = None
@@ -20,13 +20,15 @@ def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###
     op.create_table('recordings',
     sa.Column('id', sa.Integer(), nullable=False),
-    sa.Column('recorded_at', sa.DateTime(), nullable=False),
+    sa.Column('recorded_at', sa.DateTime(), nullable=True),
-    sa.Column('device_id', sa.Integer(), nullable=False),
+    sa.Column('received_at', sa.DateTime(), nullable=True),
+    sa.Column('device_id', sa.Integer(), nullable=True),
     sa.Column('record_type', sa.Integer(), nullable=False),
     sa.Column('record_value', sa.String(), nullable=False),
     sa.Column('raw_record', postgresql.JSON(astext_type=sa.Text()), nullable=True),
-    sa.PrimaryKeyConstraint('id', 'recorded_at', 'device_id')
+    sa.PrimaryKeyConstraint('id')
     )
+    op.create_index(op.f('ix_recordings_received_at'), 'recordings', ['received_at'], unique=False)
     op.create_index(op.f('ix_recordings_recorded_at'), 'recordings', ['recorded_at'], unique=False)
     # ### end Alembic commands ###
 
@@ -34,5 +36,6 @@ def upgrade():
 def downgrade():
     # ### commands auto generated by Alembic - please adjust! ###
     op.drop_index(op.f('ix_recordings_recorded_at'), table_name='recordings')
+    op.drop_index(op.f('ix_recordings_received_at'), table_name='recordings')
     op.drop_table('recordings')
     # ### end Alembic commands ###