Implement instagram widget

main.py

@@ -2,7 +2,7 @@
 
 import streamlit as st
 
-from widgets import events, restaurants, weather
+from widgets import events, restaurants, weather, instagram
 import ui
 
 # Setting up the page
@@ -27,8 +27,7 @@
             weather.widget()
 
         with col2:
-            st.markdown("## Column 2")
-            st.write(f"Current time&date: {time.strftime('%H:%M:%S %d-%m-%Y')}")
+            instagram.widget()
 
         with col3:
             restaurants.widget()

widgets/instagram.py

@@ -0,0 +1,83 @@
+import os
+from typing import List
+
+import dotenv
+import streamlit as st
+from requests_cache import CachedSession
+from requests_ratelimiter import LimiterAdapter
+
+BASE_API_URL = 'https://graph.instagram.com'
+
+dotenv.load_dotenv('.env')
+access_token = os.getenv('INSTAGRAM_ACCESS_TOKEN')
+
+# use cached session to avoid api calls on every update
+session = CachedSession('demo_cache', expire_after=360)
+
+# limit request rate
+limiter_adapter = LimiterAdapter(per_second=5, per_hour=10)
+session.mount('https://graph.instagram.com', limiter_adapter)
+
+
+def api_request(url_template, **params):
+    """
+    Makes a GET request to the API.
+    :param url_template: url string with parameters enclosed in {}
+    :param params: parameters to insert into the url template. access_token and base_url are already provided
+    :return: json contents of the response
+    """
+    r = session.get(url_template.format(**params, access_token=access_token, api_url=BASE_API_URL), timeout=5)
+
+    if not r.ok:
+        print(r.content.decode())
+        return None
+    return r.json()
+
+
+def get_feed():
+    url = '{api_url}/me/media?fields=id,caption,media_type&access_token={access_token}'
+    return api_request(url)['data']
+
+
+def get_media(media_id: str):
+    url = '{api_url}/{media_id}?fields=caption,media_type,media_url,permalink,timestamp,' \
+          'children&access_token={access_token}'
+    response = api_request(url, media_id=media_id)
+    return response
+
+
+def get_simple_media(media_id: str):
+    url = '{api_url}/{media_id}?fields=media_type,media_url' \
+          '&access_token={access_token}'
+    response = api_request(url, media_id=media_id)
+    return response
+
+
+def get_carousel_children(media_id: str) -> List[str]:
+    url = '{api_url}/{media_id}?fields=children&access_token={access_token}'
+    response = api_request(url, media_id=media_id)
+    return [child['id'] for child in response['children']['data']]
+
+
+def display_carousel(media_id: str):
+    children = [get_simple_media(child_id) for child_id in get_carousel_children(media_id)]
+    st.image(children[0]['media_url'])
+
+
+def display_image(media_id: str):
+    st.image(get_simple_media(media_id)['media_url'])
+
+
+def form_feed():
+    response = get_feed()
+    last_media = response[0]
+    if last_media['media_type'] == 'CAROUSEL_ALBUM':
+        display_carousel(last_media['id'])
+    else:
+        display_image(last_media['id'])
+    st.text(last_media['caption'])
+
+
+def widget():
+    st.markdown('## Instagram')
+    form_feed()