feat: add cowin book appointment

Signed-off-by: Ameya Shenoy <shenoy.ameya@gmail.com>

cowin-book-appointment.py

@@ -0,0 +1,117 @@
+
+import sys
+import json
+import requests
+
+
+# FILL THIS
+access_token = ""
+beneficiary = ""  # can you can get this form decoding the JWT access token at jwt.io
+# FILL THIS
+
+
+headers = {
+    'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:87.0) Gecko/20100101 Firefox/87.0',
+    'Accept': 'application/json, text/plain, */*',
+    'Accept-Language': 'en-US,en;q=0.5',
+    'Origin': 'https://selfregistration.cowin.gov.in',
+    'Authorization': f'Bearer {access_token}',
+    'DNT': '1',
+    'Connection': 'keep-alive',
+    'Referer': 'https://selfregistration.cowin.gov.in/',
+    'Sec-GPC': '1',
+    'TE': 'Trailers',
+}
+
+params = (
+    ('district_id', '395'), # 395 is Mumbai
+    ('date', '06-05-2021'), # todays date
+)
+
+response = requests.get('https://cdn-api.co-vin.in/api/v2/appointment/sessions/calendarByDistrict', headers=headers, params=params)
+
+
+# incase you want to book a certain hospital
+required_hospital = 'seven hills'.lower()
+
+center_id = ''
+session_id = ''
+slot = ''
+
+if response.ok:
+    print('Sessions available')
+    resp_json = response.json()
+    # pprint(resp_json)
+    for center in resp_json.get('centers'):
+        for session in center.get('sessions'):
+            if session.get('available_capacity') > 0 and session.get('min_age_limit') == 18:
+                print(center)
+                if required_hospital in center.get('name').lower():
+                    print(center)
+                    print(f"Booking slot in {center.get('name')}")
+                    center_id = center.get('center_id')
+                    session_id = session.get('session_id')
+                    slot = session.get('slots')[0]
+                    break
+                else:
+                    print("Available Non Matching Center")
+                    print(center)
+else:  # crutial else to ensure you're not blocked
+    print("Response Failed")
+    print(response.reason)
+    print(response.text)
+    sys.exit(1)
+
+
+
+headers = {
+    'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:87.0) Gecko/20100101 Firefox/87.0',
+    'Accept': 'application/json, text/plain, */*',
+    'Accept-Language': 'en-US,en;q=0.5',
+    'Authorization': f'Bearer {access_token}',
+    'Content-Type': 'application/json',
+    'Origin': 'https://selfregistration.cowin.gov.in',
+    'DNT': '1',
+    'Connection': 'keep-alive',
+    'Referer': 'https://selfregistration.cowin.gov.in/',
+    'Sec-GPC': '1',
+    'TE': 'Trailers',
+}
+
+print('Center ID: {}'.format(center_id))
+print(session_id)
+print(slot)
+
+# sample_data = '{"center_id":561800,"session_id":"50bceff2-51b0-4c4e-b6c4-af02ccf89c34","beneficiaries":["xxxxxxxxxxxxxx"],"slot":"09:00AM-11:00AM","dose":1}'
+custom_data = {
+    "center_id": center_id,
+    "session_id": session_id,
+    "beneficiaries":[f"{beneficiary}"],
+    "slot": slot,
+    "dose":1
+}
+custom_data = json.dumps(custom_data)
+custom_data = custom_data.replace(' ', '')
+
+# print(data)
+print(custom_data)
+
+
+if center_id != '':
+    print("Sending POST request to book session")
+    response = requests.post('https://cdn-api.co-vin.in/api/v2/appointment/schedule', headers=headers, data=custom_data)
+
+    if response.ok:
+        print("Response Succeeded")
+        print(response)
+        try:
+            print(response.json())
+        except:
+            pass
+    else:  # crutial else to ensure you're not blocked
+        print("Response Failed")
+        print(response.reason)
+        print(response.text)
+        sys.exit(1)
+
+