From a90999b4bb2d3082157623dd7014be88c3e04491 Mon Sep 17 00:00:00 2001
From: jjspill1 <jjspill@umich.edu>
Date: Mon, 12 Dec 2022 23:13:15 -0500
Subject: [PATCH] working numProjects commandline functionality and unit tests

---
 ihatemoney/manage.py          | 27 ++++++++++++++++
 ihatemoney/tests/main_test.py | 59 ++++++++++++++++++++++++++++++++++-
 2 files changed, 85 insertions(+), 1 deletion(-)

diff --git a/ihatemoney/manage.py b/ihatemoney/manage.py
index ad822f4d..6a107a0a 100755
--- a/ihatemoney/manage.py
+++ b/ihatemoney/manage.py
@@ -4,6 +4,7 @@ import getpass
 import os
 import random
 import sys
+import datetime
 
 import click
 from flask.cli import FlaskGroup
@@ -94,5 +95,31 @@ def delete_project(project_name):
         db.session.commit()
 
 
+@cli.command()
+@click.argument("print_emails", default=False)
+@click.argument("bills", default=0)  # default values will get total projects
+@click.argument("days", default=73000)  # approximately 200 years
+def get_project_count(print_emails, bills, days):
+    """Count projets with at least x bills and at less than x days old"""
+    projects = [
+        pr
+        for pr in Project.query.all()
+        if pr.get_bills().count() > bills
+        and pr.get_bills()[0].date
+        > datetime.date.today() - datetime.timedelta(days=days)
+    ]
+    click.secho("Number of projects: " + str(len(projects)))
+
+    if print_emails:
+        emails = set([pr.contact_email for pr in projects])
+        emails_str = ", ".join(emails)
+        if len(emails) > 1:
+            click.secho("Contact emails: " + emails_str)
+        elif len(emails) == 1:
+            click.secho("Contact email: " + emails_str)
+        else:
+            click.secho("No contact emails found")
+
+
 if __name__ == "__main__":
     cli()
diff --git a/ihatemoney/tests/main_test.py b/ihatemoney/tests/main_test.py
index f0a11d66..d4e5fe14 100644
--- a/ihatemoney/tests/main_test.py
+++ b/ihatemoney/tests/main_test.py
@@ -9,7 +9,12 @@ from werkzeug.security import check_password_hash
 
 from ihatemoney import models
 from ihatemoney.currency_convertor import CurrencyConverter
-from ihatemoney.manage import delete_project, generate_config, password_hash
+from ihatemoney.manage import (
+    delete_project,
+    generate_config,
+    get_project_count,
+    password_hash,
+)
 from ihatemoney.run import load_configuration
 from ihatemoney.tests.common.ihatemoney_testcase import BaseTestCase, IhatemoneyTestCase
 
@@ -225,6 +230,58 @@ class ModelsTestCase(IhatemoneyTestCase):
                 pay_each_expected = 10 / 3
                 self.assertEqual(bill.pay_each(), pay_each_expected)
 
+    def test_demo_project_count(self):
+        """Test command the get-project-count"""
+        self.post_project("raclette")
+
+        # add members
+        self.client.post("/raclette/members/add", data={"name": "zorglub", "weight": 2})
+        self.client.post("/raclette/members/add", data={"name": "fred"})
+        self.client.post("/raclette/members/add", data={"name": "tata"})
+        self.client.post("/raclette/members/add", data={"name": "pépé"})
+
+        # create bills
+        self.client.post(
+            "/raclette/add",
+            data={
+                "date": "2011-08-10",
+                "what": "fromage à raclette",
+                "payer": 1,
+                "payed_for": [1, 2, 3],
+                "amount": "10.0",
+            },
+        )
+
+        self.client.post(
+            "/raclette/add",
+            data={
+                "date": "2011-08-10",
+                "what": "red wine",
+                "payer": 2,
+                "payed_for": [1],
+                "amount": "20",
+            },
+        )
+
+        self.assertEqual(self.get_project("raclette").has_bills(), True)
+
+        runner = self.app.test_cli_runner()
+        result0 = runner.invoke(get_project_count)
+        self.assertEqual(result0.output.strip(), "Number of projects: 1")
+        result1 = runner.invoke(get_project_count, "False 1")
+        self.assertEqual(result1.output.strip(), "Number of projects: 1")
+        result2 = runner.invoke(get_project_count, "False 2")
+        self.assertEqual(result2.output.strip(), "Number of projects: 0")
+        result3 = runner.invoke(get_project_count, "False 0 0")
+        self.assertEqual(result3.output.strip(), "Number of projects: 0")
+        result4 = runner.invoke(get_project_count, "False 0 20000")
+        self.assertEqual(result4.output.strip(), "Number of projects: 1")
+        result4 = runner.invoke(get_project_count, "True")
+        self.assertEqual(
+            result4.output.strip(),
+            "Number of projects: 1\nContact email: raclette@notmyidea.org",
+        )
+
 
 class EmailFailureTestCase(IhatemoneyTestCase):
     def test_creation_email_failure_smtp(self):