From 91339cb19dcba27824e31df8176609eb506bb226 Mon Sep 17 00:00:00 2001
From: Matthias Bilger <matthias@bilger.info>
Date: Tue, 24 Sep 2019 07:03:15 +0200
Subject: [PATCH] bibcheck

---
 .drone.yml       | 15 +++++++++++
 Dockerfile       | 13 +++++++++
 bibcheck.py      | 68 ++++++++++++++++++++++++++++++++++++++++++++++++
 requirements.txt | 12 +++++++++
 4 files changed, 108 insertions(+)
 create mode 100644 .drone.yml
 create mode 100644 Dockerfile
 create mode 100644 bibcheck.py
 create mode 100644 requirements.txt

diff --git a/.drone.yml b/.drone.yml
new file mode 100644
index 0000000..388d5f0
--- /dev/null
+++ b/.drone.yml
@@ -0,0 +1,15 @@
+kind: pipeline
+name: default
+
+steps:
+  - name: docker  
+    image: plugins/docker
+    settings:
+      registry: registry.d1v3.de
+      repo: registry.d1v3.de/bibcheck
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      tags: latest
+      auto_tag: true
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..7e03a92
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,13 @@
+FROM python:3.7
+
+RUN useradd --create-home appuser
+
+COPY requirements.txt /home/appuser
+RUN pip install -r /home/appuser/requirements.txt
+
+
+WORKDIR /home/appuser
+USER appuser
+
+COPY bibcheck.py ./
+CMD ["python", "./bibcheck.py"]
diff --git a/bibcheck.py b/bibcheck.py
new file mode 100644
index 0000000..2289536
--- /dev/null
+++ b/bibcheck.py
@@ -0,0 +1,68 @@
+import bs4
+import itertools
+import time
+import requests
+import configparser
+import urllib.parse
+import mechanize
+import pushover
+import datetime
+import os
+
+def split_notify(string):
+    values = string.split(':')
+    return (values[0], values[1:])
+
+
+def main():
+    while True:
+        pushover.init(os.environ['PUSHOVER_KEY'])
+        if 'HEALTHCHECK_URL' in os.environ:
+            requests.get(f"{os.environ['HEALTHCHECK_URL']}/start")
+        allinfo = []
+        users = list(map(lambda x: x.split(':', 1), os.environ['BIB_USERS'].split(',')))
+        notify = dict(map(split_notify, os.environ['NOTIFY_USERS'].split(',')))
+        for user, pwd in users:
+            allinfo += check(user, pwd, notify.get(user, []))
+        if 'HEALTHCHECK_URL' in os.environ:
+            requests.post(f"{os.environ['HEALTHCHECK_URL']}", data='\n'.join(allinfo).encode('utf8'))
+        if 'RUN_FOREVER' in os.environ and os.environ['RUN_FOREVER'] == 'False':
+            break
+
+        now = datetime.datetime.utcnow
+        to = (now() + datetime.timedelta(days = 1)).replace(hour=6, minute=0, second=0)
+        time.sleep((to-now()).seconds)
+
+def check(username, password, notify_ids):
+    br = mechanize.Browser()
+    starturl = 'https://ssl.muenchen.de/aDISWeb/app?service=direct/0/Home/$DirectLink&sp=SOPAC'
+    response = br.open(starturl)
+    br.follow_link(text_regex=r"Anmelden")
+    br.select_form('Form0')
+    br['$Textfield'] = username
+    br['$Textfield$0'] = password
+    response = br.submit()
+    br.follow_link(text_regex=r"Konto")
+    try:
+        response = br.follow_link(text_regex=r"Ausleihen? zeigen")
+        br.select_form('Form0')
+        response = br.submit(name='textButton$0', label='Alle verlängern')
+        lentlist = bs4.BeautifulSoup(response.read(), 'html.parser')
+        table = lentlist.select('table[class="rTable_table"]')[0]
+        allinfo = []
+        for entry in table.tbody.select('tr'):
+            info = list(map(lambda x: str(x.text).strip(), entry.select('td')))
+            date = datetime.datetime.strptime(info[1], '%d.%m.%Y')
+            delta = date - datetime.datetime.now()
+            allinfo.append(str(info))
+            if delta.days <= 10 or delta.days == 20 or delta.days == 15:
+                for client in itertools.join(notify_ids, os.environ['PUSHOVER_CLIENTS'].split(',')):
+                    pushover.Client(client).send_message(f'Bitte an {info[3]} denken, Abgabe {info[3]} - {username}', title="Erinnerung")
+    except (StopIteration, mechanize._mechanize.LinkNotFoundError) as e:
+        for client in itertools.join(notify_ids, os.environ['PUSHOVER_CLIENTS'].split(',')):
+            pushover.Client(client).send_message(f'nichts ausgeliehen {username} ({e})')
+        return []
+    return allinfo
+
+if __name__ == "__main__":
+    main()
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..b4b3331
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,12 @@
+beautifulsoup4==4.8.0
+certifi==2019.9.11
+chardet==3.0.4
+html5lib==1.0.1
+idna==2.8
+mechanize==0.4.3
+python-pushover==0.4
+requests==2.22.0
+six==1.12.0
+soupsieve==1.9.3
+urllib3==1.25.5
+webencodings==0.5.1