old folder

tmp
2025-12-23 13:03:56 +00:00
parent 0324912eb4
commit 5171dcf4f6
6 changed files with 391 additions and 2 deletions
--- a/databaseold/SetupDB.go
+++ b/databaseold/SetupDB.go
@@ -0,0 +1,140 @@
+package databaseold
+
+import (
+	"fmt"
+	"ti1/config"
+)
+
+func SetupDB() error {
+	fmt.Println("Setting up the database...")
+
+	// Connect to PostgreSQL
+	db, err := config.ConnectToPostgreSQL()
+	if err != nil {
+		return fmt.Errorf("failed to connect to database: %w", err)
+	}
+	defer config.DisconnectFromPostgreSQL(db)
+
+	// Create sequences if they do not exist
+	sequences := []string{
+		"CREATE SEQUENCE IF NOT EXISTS public.calls_id_seq",
+		"CREATE SEQUENCE IF NOT EXISTS public.estimatedvehiclejourney_id_seq",
+		"CREATE SEQUENCE IF NOT EXISTS public.servicedelivery_id_seq",
+	}
+
+	for _, seq := range sequences {
+		_, err := db.Exec(seq)
+		if err != nil {
+			return fmt.Errorf("failed to create sequence: %w", err)
+		}
+	}
+
+	// Check if tables exist and have the correct structure
+	tables := map[string]string{
+		"calls": `CREATE TABLE IF NOT EXISTS public.calls (
+			id BIGINT PRIMARY KEY DEFAULT nextval('public.calls_id_seq'),
+			estimatedvehiclejourney BIGINT,
+			"order" INTEGER,
+			stoppointref VARCHAR,
+			aimeddeparturetime TIMESTAMP,
+			expecteddeparturetime TIMESTAMP,
+			aimedarrivaltime TIMESTAMP,
+			expectedarrivaltime TIMESTAMP,
+			cancellation VARCHAR,
+			actualdeparturetime TIMESTAMP,
+			actualarrivaltime TIMESTAMP,
+			estimated_data JSON,
+			recorded_data JSON
+		);`,
+		"estimatedvehiclejourney": `CREATE TABLE IF NOT EXISTS public.estimatedvehiclejourney (
+			id BIGINT PRIMARY KEY DEFAULT nextval('public.estimatedvehiclejourney_id_seq'),
+			servicedelivery INTEGER,
+			recordedattime TIMESTAMP,
+			lineref VARCHAR,
+			directionref VARCHAR,
+			datasource VARCHAR,
+			datedvehiclejourneyref VARCHAR,
+			vehiclemode VARCHAR,
+			dataframeref VARCHAR,
+			originref VARCHAR,
+			destinationref VARCHAR,
+			operatorref VARCHAR,
+			vehicleref VARCHAR,
+			cancellation VARCHAR,
+			other JSON,
+			firstservicedelivery INTEGER
+		);`,
+		"servicedelivery": `CREATE TABLE IF NOT EXISTS public.servicedelivery (
+			id INTEGER PRIMARY KEY DEFAULT nextval('public.servicedelivery_id_seq'),
+			responsetimestamp TIMESTAMPTZ,
+			recordedattime TIMESTAMPTZ,
+			data JSON
+		);`,
+	}
+
+	for table, createStmt := range tables {
+		var exists bool
+		err := db.QueryRow(fmt.Sprintf("SELECT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = '%s')", table)).Scan(&exists)
+		if err != nil {
+			return fmt.Errorf("failed to check if table %s exists: %w", table, err)
+		}
+
+		if !exists {
+			_, err := db.Exec(createStmt)
+			if err != nil {
+				return fmt.Errorf("failed to create table %s: %w", table, err)
+			}
+			fmt.Printf("Table %s created successfully!\n", table)
+		} else {
+			fmt.Printf("Table %s already exists.\n", table)
+		}
+	}
+
+	// Check if the unique constraint exists before adding it to calls table
+	var constraintExists bool
+	err = db.QueryRow(`
+		SELECT EXISTS (
+			SELECT 1
+			FROM pg_constraint
+			WHERE conname = 'unique_estimatedvehiclejourney_order'
+		);
+	`).Scan(&constraintExists)
+	if err != nil {
+		return fmt.Errorf("failed to check if unique constraint exists: %w", err)
+	}
+
+	if !constraintExists {
+		_, err = db.Exec(`ALTER TABLE calls ADD CONSTRAINT unique_estimatedvehiclejourney_order UNIQUE (estimatedvehiclejourney, "order");`)
+		if err != nil {
+			return fmt.Errorf("failed to add unique constraint to calls table: %w", err)
+		}
+		fmt.Println("Unique constraint added to calls table.")
+	} else {
+		fmt.Println("Unique constraint already exists on calls table.")
+	}
+
+	// Check if the unique constraint exists before adding it to estimatedvehiclejourney table
+	err = db.QueryRow(`
+		SELECT EXISTS (
+			SELECT 1
+			FROM pg_constraint
+			WHERE conname = 'unique_lineref_directionref_datasource_datedvehiclejourneyref'
+		);
+	`).Scan(&constraintExists)
+	if err != nil {
+		return fmt.Errorf("failed to check if unique constraint exists: %w", err)
+	}
+
+	if !constraintExists {
+		_, err = db.Exec(`ALTER TABLE estimatedvehiclejourney ADD CONSTRAINT unique_lineref_directionref_datasource_datedvehiclejourneyref UNIQUE (lineref, directionref, datasource, datedvehiclejourneyref);`)
+		if err != nil {
+			return fmt.Errorf("failed to add unique constraint to estimatedvehiclejourney table: %w", err)
+		}
+		fmt.Println("Unique constraint added to estimatedvehiclejourney table.")
+	} else {
+		fmt.Println("Unique constraint already exists on estimatedvehiclejourney table.")
+	}
+
+	fmt.Println("Database setup is good!")
+	return nil
+}