feat(astf): Support framesizes for ASTF

[csit.git] / resources / tools / dash / app / pal / __init__.py

diff --git a/resources/tools/dash/app/pal/__init__.py b/resources/tools/dash/app/pal/__init__.py
index 9950def..4e32598 100644 (file)
--- a/resources/tools/dash/app/pal/__init__.py
+++ b/resources/tools/dash/app/pal/__init__.py
@@ -11,29 +11,61 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Initialize Flask app."""
+"""Initialize Flask app.
+"""
+
+import logging
+
 from flask import Flask
 from flask_assets import Environment
 
 
+# Maximal value of TIME_PERIOD in days.
+# Do not change without a good reason.
+MAX_TIME_PERIOD = 180
+
+# It defines the time period in days from now back to the past from which data
+# is read to dataframes.
+# TIME_PERIOD = None means all data (max MAX_TIME_PERIOD days) is read.
+# TIME_PERIOD = MAX_TIME_PERIOD is the default value
+TIME_PERIOD = MAX_TIME_PERIOD  # [days]
+
+
 def init_app():
-    """Construct core Flask application with embedded Dash app."""
+    """Construct core Flask application with embedded Dash app.
+    """
+
+    logging.basicConfig(
+        format=u"%(asctime)s: %(levelname)s: %(message)s",
+        datefmt=u"%Y/%m/%d %H:%M:%S",
+        level=logging.INFO
+    )
+
+    logging.info("Application started.")
+
     app = Flask(__name__, instance_relative_config=False)
-    app.config.from_object("config.Config")
-    assets = Environment()
-    assets.init_app(app)
+    app.config.from_object(u"config.Config")
 
     with app.app_context():
         # Import parts of our core Flask app.
         from . import routes
-        from .assets import compile_static_assets
 
-        # Import Trending Dash application.
-        from .trending.dashboard import init_dashboard
+        assets = Environment()
+        assets.init_app(app)
+
+        if TIME_PERIOD is None or TIME_PERIOD > MAX_TIME_PERIOD:
+            time_period = MAX_TIME_PERIOD
+        else:
+            time_period = TIME_PERIOD
+
+        # Import Dash applications.
+        from .stats.stats import init_stats
+        app = init_stats(app, time_period=time_period)
+
+        from .trending.trending import init_trending
+        app = init_trending(app, time_period=time_period)
 
-        app = init_dashboard(app)
+    return app
 
-        # Compile static assets.
-        compile_static_assets(assets)
 
-        return app
+app = init_app()