database and model

frigate/app.py

@@ -55,6 +55,7 @@ from frigate.models import (
     Regions,
     ReviewSegment,
     Timeline,
+    Trigger,
     User,
 )
 from frigate.object_detection.base import ObjectDetectProcess
@@ -286,6 +287,7 @@ class FrigateApp:
             ReviewSegment,
             Timeline,
             User,
+            Trigger,
         ]
         self.db.bind(models)
 

frigate/models.py

@@ -1,6 +1,8 @@
 from peewee import (
+    BlobField,
     BooleanField,
     CharField,
+    CompositeKey,
     DateTimeField,
     FloatField,
     ForeignKeyField,
@@ -132,3 +134,18 @@ class User(Model):  # type: ignore[misc]
     )
     password_hash = CharField(null=False, max_length=120)
     notification_tokens = JSONField()
+
+
+class Trigger(Model):
+    camera = CharField(max_length=20)
+    name = CharField()
+    type = CharField(max_length=10)
+    data = TextField()
+    threshold = FloatField()
+    model = CharField(max_length=30)
+    embedding = BlobField()
+    triggering_event_id = CharField(max_length=30)
+    last_triggered = DateTimeField()
+
+    class Meta:
+        primary_key = CompositeKey("camera", "name")

migrations/031_create_trigger_table.py

@@ -0,0 +1,50 @@
+"""Peewee migrations -- 031_create_trigger_table.py.
+
+This migration creates the Trigger table to track semantic search triggers for cameras.
+
+Some examples (model - class or model_name)::
+
+    > Model = migrator.orm['model_name']            # Return model in current state by name
+    > migrator.sql(sql)                             # Run custom SQL
+    > migrator.python(func, *args, **kwargs)        # Run python code
+    > migrator.create_model(Model)                  # Create a model (could be used as decorator)
+    > migrator.remove_model(model, cascade=True)    # Remove a model
+    > migrator.add_fields(model, **fields)          # Add fields to a model
+    > migrator.change_fields(model, **fields)       # Change fields
+    > migrator.remove_fields(model, *field_names, cascade=True)
+    > migrator.rename_field(model, old_field_name, new_field_name)
+    > migrator.rename_table(model, new_table_name)
+    > migrator.add_index(model, *col_names, unique=False)
+    > migrator.drop_index(model, *col_names)
+    > migrator.add_not_null(model, *field_names)
+    > migrator.drop_not_null(model, *field_names)
+    > migrator.add_default(model, field_name, default)
+
+"""
+
+import peewee as pw
+
+SQL = pw.SQL
+
+
+def migrate(migrator, database, fake=False, **kwargs):
+    migrator.sql(
+        """
+        CREATE TABLE IF NOT EXISTS trigger (
+            camera VARCHAR(20) NOT NULL,
+            name VARCHAR NOT NULL,
+            type VARCHAR(10) NOT NULL,
+            model VARCHAR(30) NOT NULL,
+            data TEXT NOT NULL,
+            threshold REAL,
+            embedding BLOB,
+            triggering_event_id VARCHAR(30),
+            last_triggered DATETIME,
+            PRIMARY KEY (camera, name)
+        )
+        """
+    )
+
+
+def rollback(migrator, database, fake=False, **kwargs):
+    migrator.sql("DROP TABLE IF EXISTS trigger")