From fd862edea07ee1c2049d07a6c5bd76bfd3af9dea Mon Sep 17 00:00:00 2001
From: George Hickman <george@ghickman.co.uk>
Date: Tue, 7 Nov 2023 15:21:31 +0000
Subject: [PATCH] Add the backfill.py module for GitHub to the GitHub
 subcommand

---
 backfill.py => metrics/github/backfill.py | 58 +++++++++++------------
 metrics/github/cli.py                     |  4 ++
 2 files changed, 33 insertions(+), 29 deletions(-)
 rename backfill.py => metrics/github/backfill.py (74%)

diff --git a/backfill.py b/metrics/github/backfill.py
similarity index 74%
rename from backfill.py
rename to metrics/github/backfill.py
index ff8ccd38..b2566627 100644
--- a/backfill.py
+++ b/metrics/github/backfill.py
@@ -1,9 +1,9 @@
 import sqlite3
 import subprocess
-import sys
 from datetime import date, timedelta
 from pathlib import Path
 
+import click
 import structlog
 
 from metrics.github.prs import process_prs
@@ -17,25 +17,24 @@
 log = structlog.get_logger()
 
 
-def get_data(db, orgs):
-    subprocess.check_call(["github-to-sqlite", "repos", db, *orgs])
+def get_data(db, org):
+    subprocess.check_call(["github-to-sqlite", "repos", db, org])
 
     con = sqlite3.connect(db)
     cur = con.cursor()
 
-    for org in orgs:
-        result = cur.execute(
-            "SELECT name FROM repos WHERE full_name LIKE ?", (f"{org}%",)
-        ).fetchall()
-        repo_names = [r[0] for r in result]
+    result = cur.execute(
+        "SELECT name FROM repos WHERE full_name LIKE ?", (f"{org}%",)
+    ).fetchall()
+    repo_names = [r[0] for r in result]
 
-        for repo in repo_names:
-            subprocess.check_call(
-                ["github-to-sqlite", "pull-requests", db, f"{org}/{repo}"]
-            )
+    for repo in repo_names:
+        subprocess.check_call(
+            ["github-to-sqlite", "pull-requests", db, f"{org}/{repo}"]
+        )
 
 
-def get_prs():
+def get_prs(db):
     sql = """
     SELECT
       date(pull_requests.created_at) as created,
@@ -121,30 +120,31 @@ def next_weekday(d, weekday):
             process_prs(writer, prs_in_range, day)
 
 
-if __name__ == "__main__":
+@click.command()
+@click.argument("org")
+@click.option("--pull-data", is_flag=True, default=False)
+@click.pass_context
+def backfill(ctx, pull_data, org):
+    """Backfill GitHub data for the given GitHub ORG"""
     db = "github.db"
-    orgs = ["ebmdatalab", "opensafely-core"]
 
-    # hacky switch for [re-]building the local SQLite
-    args = sys.argv[1:]
-    if args and args[0] == "--pull-data":
+    if pull_data:
         # clean up existing db
         Path(db).unlink(missing_ok=True)
 
         # pull all data down to make backfilling quicker
-        get_data(db, orgs)
+        get_data(db, org)
 
-    prs = get_prs()
+    prs = get_prs(db)
 
-    for org in orgs:
-        org_prs = [pr for pr in prs if pr["org"] == org]
-        log.info("Backfilling with %s PRs for %s", len(org_prs), org)
-        start_date = min([pr["created"] for pr in org_prs])
-        start_date = datetime_from_iso(start_date).date()
+    org_prs = [pr for pr in prs if pr["org"] == org]
+    log.info("Backfilling with %s PRs for %s", len(org_prs), org)
+    start_date = min([pr["created"] for pr in org_prs])
+    start_date = datetime_from_iso(start_date).date()
 
-        pr_queue(org_prs, org, start_date)
+    pr_queue(org_prs, org, start_date)
 
-        for day in [2, 10, 30, 60]:
-            pr_queue(org_prs, org, start_date, days_threshold=day)
+    for day in [2, 10, 30, 60]:
+        pr_queue(org_prs, org, start_date, days_threshold=day)
 
-        pr_throughput(org_prs, org, start_date)
+    pr_throughput(org_prs, org, start_date)
diff --git a/metrics/github/cli.py b/metrics/github/cli.py
index bdd8c4c6..a18c48d3 100644
--- a/metrics/github/cli.py
+++ b/metrics/github/cli.py
@@ -5,6 +5,7 @@
 
 from ..timescaledb import TimescaleDBWriter
 from . import api
+from .backfill import backfill
 from .prs import process_prs
 
 
@@ -60,3 +61,6 @@ def pr_throughput(ctx, org, date, days):
     log.info("%s | %s | Processing %s PRs", date, org, len(prs))
     with TimescaleDBWriter("github_pull_requests", "throughput") as writer:
         process_prs(writer, prs, date)
+
+
+github.add_command(backfill)