From c440e26b1d00cdd0e704bd99b9a62514f7689a0c Mon Sep 17 00:00:00 2001
From: Simo Tukiainen <simo.tukiainen@fmi.fi>
Date: Wed, 1 Nov 2023 16:04:06 +0200
Subject: [PATCH] Modify product-processing script to find dates with updated
 source files

---
 scripts/process-latest-products.py | 95 +++++++++++++++++++++---------
 1 file changed, 67 insertions(+), 28 deletions(-)

diff --git a/scripts/process-latest-products.py b/scripts/process-latest-products.py
index 8f5ddeff..9263cbbb 100755
--- a/scripts/process-latest-products.py
+++ b/scripts/process-latest-products.py
@@ -1,34 +1,73 @@
 #!/usr/bin/env python3
+import argparse
+import datetime
 import subprocess
-from datetime import datetime, timedelta, timezone
 
 from data_processing import utils
+from data_processing.metadata_api import MetadataApi
 
-sites = utils.get_all_but_hidden_sites()
-sites = [site for site in sites if not site.startswith("arm-")]
-
-interpreter = "python3"
-script = "scripts/cloudnet.py"
-subcommand = "process"
-wrapper = "scripts/wrapper.py"
-products = (
-    "categorize,classification,iwc,lwc,drizzle,ier,der,mwr-l1c,mwr-single,mwr-multi"
-)
-
-for site in sites:
-    date = datetime.now(timezone.utc) - timedelta(3)
-    subprocess.check_call(
-        [
-            interpreter,
-            wrapper,
-            interpreter,
-            script,
-            "-s",
-            site,
-            "--p",
-            products,
-            "--start",
-            date.strftime("%Y-%m-%d"),
-            subcommand,
-        ]
+
+def main(args_in: argparse.Namespace):
+    config = utils.read_main_conf()
+    md_api = MetadataApi(config)
+
+    products = (
+        "categorize,classification,iwc,lwc,drizzle,ier,der,mwr-l1c,mwr-single,mwr-multi"
     )
+
+    now = datetime.datetime.now(tz=datetime.timezone.utc)
+
+    # timedelta should match the interval of the cron job!
+    updated_at_from = (now - datetime.timedelta(hours=args_in.hours)).isoformat()
+
+    # Find updated Level 1b files
+    l1b_metadata = _get_l1b_metadata(md_api, updated_at_from)
+    model_metadata = _get_model_metadata(md_api, updated_at_from)
+    metadata = l1b_metadata + model_metadata
+
+    unique_sites = list(set([m["site"]["id"] for m in metadata]))
+    for site in unique_sites:
+        dates = [m["measurementDate"] for m in metadata if m["site"]["id"] == site]
+        unique_dates = list(set(dates))
+        for date in unique_dates:
+            subprocess.check_call(
+                [
+                    "python3",
+                    "scripts/wrapper.py",
+                    "python3",
+                    "scripts/cloudnet.py",
+                    "-s",
+                    site,
+                    "-p",
+                    products,
+                    "-d",
+                    date,
+                    "process",
+                    "-r",  # Note the reprocess flag
+                ]
+            )
+
+
+def _get_l1b_metadata(md_api: MetadataApi, time: str) -> list[dict]:
+    categorize_input = ["radar", "lidar", "mwr"]
+    payload = {"updatedAtFrom": time, "product": categorize_input}
+    metadata = md_api.get("api/files", payload)
+    return metadata
+
+
+def _get_model_metadata(md_api: MetadataApi, time: str) -> list[dict]:
+    payload = {"updatedAtFrom": time}
+    metadata = md_api.get("api/model-files", payload)
+    screened_metadata = [
+        m
+        for m in metadata
+        if any(k in m["site"]["type"] for k in ["cloudnet", "campaign"])
+    ]
+    return screened_metadata
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--hours", type=int, default=2)
+    args = parser.parse_args()
+    main(args)