feat(apps): added submitted_at column for tracking

Author: AlexanderWangY

apps/api/internal/db/migrations/20251022032904_submitted_by_column_applications.sql

@@ -0,0 +1,11 @@
+-- +goose Up
+-- +goose StatementBegin
+ALTER TABLE applications
+ADD COLUMN submitted_at TIMESTAMPTZ;
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+ALTER TABLE applications
+DROP COLUMN submitted_at;
+-- +goose StatementEnd

apps/api/internal/db/queries/applications.sql

@@ -14,7 +14,8 @@ WHERE user_id = $1 AND event_id = $2;
 UPDATE applications
 SET
     status = CASE WHEN @status_do_update::boolean THEN @status::application_status ELSE status END,
-    application = CASE WHEN @application_do_update::boolean THEN @application::JSONB ELSE application END
+    application = CASE WHEN @application_do_update::boolean THEN @application::JSONB ELSE application END,
+    submitted_at = CASE WHEN @submitted_at_do_update::boolean THEN @submitted_at::timestamptz ELSE submitted_at END
 WHERE
     user_id = @user_id AND event_id = @event_id;
 

apps/api/internal/db/repository/application.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"errors"
+	"time"
 
 	"github.com/google/uuid"
 	"github.com/jackc/pgx/v5"
@@ -77,6 +78,8 @@ func (r *ApplicationRepository) SubmitApplication(ctx context.Context, data any,
 		Status:              sqlc.ApplicationStatusSubmitted,
 		ApplicationDoUpdate: true,
 		Application:         jsonBytes,
+		SubmittedAtDoUpdate: true,
+		SubmittedAt:         time.Now(),
 		UserID:              userId,
 		EventID:             eventId,
 	})