fix(pkg/daemon): save measured values into postgres database if defined

2019-09-04 13:37:50 +02:00
parent 6223f4e79b
commit 04bc3baffe
60 changed files with 680 additions and 378 deletions
--- a/pkg/storage/db/sql/psql/schema/v0.1.0.sql
+++ b/pkg/storage/db/sql/psql/schema/v0.1.0.sql
@ -0,0 +1,152 @@
+DROP TABLE IF EXISTS devices CASCADE;
+DROP TABLE IF EXISTS sensors CASCADE;
+DROP TABLE IF EXISTS humidities CASCADE;
+DROP TABLE IF EXISTS pressures CASCADE;
+DROP TABLE IF EXISTS temperatures CASCADE;
+DROP TABLE IF EXISTS info CASCADE;
+
+
+-- +----------------------------------------+
+-- |                  TABLES                |
+-- +----------------------------------------+
+CREATE TABLE IF NOT EXISTS devices(
+  device_id               CHAR(36)                                                CONSTRAINT pk_devices PRIMARY KEY,
+  device_name             VARCHAR(32)                                             NOT NULL,
+  device_location         VARCHAR(32),
+  device_last_contact     TIMESTAMP WITH TIME ZONE    DEFAULT CURRENT_TIMESTAMP   NOT NULL,
+  creation_date           TIMESTAMP WITH TIME ZONE    DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS sensors (
+  sensor_id               CHAR(36)                                                CONSTRAINT pk_sensors PRIMARY KEY,
+  sensor_name             VARCHAR(32)                                             NOT NULL,
+  sensor_location         VARCHAR(32)                                             NOT NULL,
+  wire_id                 VARCHAR(15),
+  i2c_bus                 VARCHAR(255),
+  i2c_address             VARCHAR(12),
+  gpio_number             VARCHAR(6),
+  sensor_model            VARCHAR(16)                                             NOT NULL,
+  sensor_enabled          BOOLEAN                     DEFAULT TRUE                NOT NULL,
+  sensor_last_contact     TIMESTAMP WITH TIME ZONE    DEFAULT CURRENT_TIMESTAMP   NOT NULL,
+  device_id               CHAR(36),
+  creation_date           TIMESTAMP WITH TIME ZONE    DEFAULT CURRENT_TIMESTAMP   NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS humidities (
+  humidity_id             CHAR(36)                                                CONSTRAINT pk_humidities PRIMARY KEY,
+  humidity_value          NUMERIC(9,3)                                            NOT NULL,
+  humidity_from_date      TIMESTAMP WITH TIME ZONE                                NOT NULL,
+  humidity_till_date      TIMESTAMP WITH TIME ZONE,
+  sensor_id               CHAR(36),
+  creation_date           TIMESTAMP WITH TIME ZONE    DEFAULT CURRENT_TIMESTAMP   NOT NULL,
+  update_date             TIMESTAMP WITH TIME ZONE
+);
+
+CREATE TABLE IF NOT EXISTS pressures (
+  pressure_id             CHAR(36)                                                CONSTRAINT pk_pressures PRIMARY KEY,
+  pressure_value          NUMERIC(10,3)                                           NOT NULL,
+  pressure_from_date      TIMESTAMP WITH TIME ZONE                                NOT NULL,
+  pressure_till_date      TIMESTAMP WITH TIME ZONE,
+  sensor_id               CHAR(36),
+  creation_date           TIMESTAMP WITH TIME ZONE    DEFAULT CURRENT_TIMESTAMP   NOT NULL,
+  update_date             TIMESTAMP WITH TIME ZONE
+);
+
+CREATE TABLE IF NOT EXISTS temperatures (
+  temperature_id          CHAR(36)                                                CONSTRAINT pk_temperatures PRIMARY KEY,
+  temperature_value       NUMERIC(5,3)                                            NOT NULL,
+  temperature_from_date   TIMESTAMP WITH TIME ZONE                                NOT NULL,
+  temperature_till_date   TIMESTAMP WITH TIME ZONE,
+  sensor_id               CHAR(36),
+  creation_date           TIMESTAMP WITH TIME ZONE    DEFAULT CURRENT_TIMESTAMP   NOT NULL,
+  update_date             TIMESTAMP WITH TIME ZONE
+);
+
+CREATE TABLE IF NOT EXISTS info (
+  key                     VARCHAR(32)                                             CONSTRAINT pk_info PRIMARY KEY,
+  value                   VARCHAR(32)                                             NOT NULL
+);
+
+-- +----------------------------------------+
+-- |               FOREIGN-KEYS             |
+-- +----------------------------------------+
+ALTER TABLE sensors
+ADD FOREIGN KEY (device_id)
+REFERENCES devices(device_id)
+ON DELETE CASCADE
+ON UPDATE CASCADE;
+
+ALTER TABLE humidities
+ADD FOREIGN KEY (sensor_id)
+REFERENCES sensors(sensor_id)
+ON DELETE CASCADE
+ON UPDATE CASCADE;
+
+ALTER TABLE pressures
+ADD FOREIGN KEY (sensor_id)
+REFERENCES sensors(sensor_id)
+ON DELETE CASCADE
+ON UPDATE CASCADE;
+
+ALTER TABLE temperatures
+ADD FOREIGN KEY (sensor_id)
+REFERENCES sensors(sensor_id)
+ON DELETE CASCADE
+ON UPDATE CASCADE;
+
+-- +----------------------------------------+
+-- |            Trigger-Functions           |
+-- +----------------------------------------+
+CREATE OR REPLACE FUNCTION device_last_contact()
+  RETURNS trigger AS
+$BODY$
+BEGIN
+ UPDATE devices
+ SET device_last_contact = CURRENT_TIMESTAMP
+ WHERE device_id = NEW.device_id;
+ RETURN NEW;
+END;
+$BODY$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION sensor_last_contact()
+  RETURNS trigger AS
+$BODY$
+BEGIN
+ UPDATE sensors
+ SET sensor_last_contact = CURRENT_TIMESTAMP,
+     sensor_enabled = true
+ WHERE sensor_id = NEW.sensor_id;
+ RETURN NEW;
+END;
+$BODY$ LANGUAGE plpgsql;
+
+-- +----------------------------------------+
+-- |                  Trigger               |
+-- +----------------------------------------+
+DROP TRIGGER IF EXISTS ai_humidities ON humidities;
+DROP TRIGGER IF EXISTS ai_pressure ON pressures;
+DROP TRIGGER IF EXISTS ai_temperatures ON temperatures;
+
+CREATE TRIGGER au_sensors
+  AFTER UPDATE
+  ON sensors
+  FOR EACH ROW
+  EXECUTE PROCEDURE device_last_contact();
+
+CREATE TRIGGER ai_humidities
+  AFTER INSERT
+  ON humidities
+  FOR EACH ROW
+  EXECUTE PROCEDURE sensor_last_contact();
+
+CREATE TRIGGER ai_pressures
+  AFTER INSERT
+  ON pressures
+  FOR EACH ROW
+  EXECUTE PROCEDURE sensor_last_contact();
+
+CREATE TRIGGER ai_temperatures
+  AFTER INSERT
+  ON temperatures
+  FOR EACH ROW
+  EXECUTE PROCEDURE sensor_last_contact();