change campaign endpoint

Dockerfile

@@ -1,12 +0,0 @@
-FROM python:3
-ENV DOCKER_APP True
-USER root
-WORKDIR /app
-
-COPY . .
-#RUN chmod u+x setup_core.sh
-#RUN bash setup_core.sh
-RUN pip3 install -r requirements.txt
-EXPOSE 5000/udp
-EXPOSE 5000/tcp
-CMD ["python3","-m", "ayct_backend.app"]

Procfile

@@ -0,0 +1 @@
+web: gunicorn -b 0.0.0.0:$PORT ayct_backend:app --timeout 120

ayct_backend/__init__.py

@@ -26,4 +26,6 @@ def create_app():
     def hello():
         return "Hello world!"
 
-    return app
+    return app
+
+app = create_app()

ayct_backend/app.py

@@ -1,7 +0,0 @@
-import os
-from . import create_app
-
-if __name__ == "__main__":
-    app = create_app()
-    port = int(os.environ.get('PORT', 5000))
-    app.run(host = '0.0.0.0', port = port)

ayct_backend/campaign/__init__.py

@@ -3,6 +3,7 @@ import json
 from uuid import uuid4
 from requests_oauthlib import OAuth1Session
 from flask import Blueprint, current_app, request, jsonify
+from nltk import sent_tokenize
 from ayct_backend.models import *
 from ayct_backend.firebase import verify_token
 
@@ -44,47 +45,8 @@ def add_twitter_campaign():
         return "Content-type not supported!", 400
 
     request_json = request.json
-    if 'campaign_name' not in request_json or 'user_input' not in request_json or 'twitter_account_id' not in request_json:
+    if 'campaign_name' not in request_json or 'twitter_account_id' not in request_json:
         return "Invalid request!", 400
-    
-    consumer_key = current_app.config["TWITTER_CONSUMER_KEY"]
-    consumer_secret = current_app.config["TWITTER_CONSUMER_SECERT"]
-
-    twitter_account = TwitterAccount.query.filter_by(twitter_account_id=request_json['twitter_account_id']).first()
-
-    # generate campaign content
-    core_url = 'http://65.108.80.28:4999/generate'
-    payload = {
-        "data": request_json['user_input'], 
-        "length": 420
-    }
-
-    #response = requests.post(core_url, headers={"Content-Type":"application/json"}, data=json.dumps(payload))
-    #generated_content = response.content.decode("utf-8").replace('<|endoftext|>', '').replace('  ', ' ')
-
-    # trimmed_text = generated_content[:270]
-    # dot_index = trimmed_text.rfind(".")
-    # space_index = trimmed_text.rfind(" ")
-    # if dot_index > 0:
-    #     tweet_text = trimmed_text[:dot_index + 1].capitalize()
-    # else:
-    #     tweet_text = trimmed_text[:space_index + 1].capitalize()
-
-    random_part = str(uuid4().hex)
-    tweet_text = "This is placeholder content generated by our application. Normal generation doesn't work." + random_part
-
-    # create post on twitter
-    oauth = OAuth1Session(
-        consumer_key,
-        client_secret=consumer_secret,
-        resource_owner_key=twitter_account.access_token,
-        resource_owner_secret=twitter_account.access_token_secret,
-    )
-
-    response = oauth.post(
-        "https://api.twitter.com/2/tweets",
-        json={"text": tweet_text},
-    ).json()['data']
 
     # save campaign to database
     twitter_campaign = TwitterCampaign(
@@ -92,19 +54,9 @@ def add_twitter_campaign():
         user_id = user_id,
         campaign_name = request_json['campaign_name'],
         twitter_account_id = request_json['twitter_account_id'],
-        user_input = request_json['user_input'],
-    )
-
-    twitter_campaign_post = TwitterPost(
-        id = str(uuid4()),
-        campaign_id = twitter_campaign.id,
-        user_id = user_id,
-        post_content = tweet_text,
-        twitter_post_id = response['id']
     )
 
     db.session.add(twitter_campaign)
-    db.session.add(twitter_campaign_post)
     db.session.commit()
     
     return "Campaign succesfully created.", 201     
@@ -126,10 +78,12 @@ def delete_twitter_campaign():
         return "Invalid request!", 400
 
     twitter_campaign = TwitterCampaign.query.filter_by(user_id=user_id, id=request_json['campaign_id']).first()
+    campaign_posts = TwitterPost.query.filter_by(campaign_id=request_json['campaign_id'])
 
     if not twitter_campaign:
         return "Capmaign not found!", 404
 
+    db.session.delete(campaign_posts)
     db.session.delete(twitter_campaign)
     db.session.commit()
 
@@ -162,3 +116,93 @@ def get_twitter_campaign_details(campaign_id):
         "twitter_account_id": twitter_campaign.twitter_account_id,
         "posts": posts
     }), 200
+
+@campaign.route('/generate', methods=['POST'])
+def generate_content():
+    decoded_token = verify_token(request.headers)
+    if not decoded_token:
+        return "Not authorised!", 401
+
+    content_type = request.headers.get('Content-Type')
+    if content_type != 'application/json':
+        return "Content-type not supported!", 400
+
+    request_json = request.json
+    if 'user_input' not in request_json:
+        return "Invalid request!", 400
+
+    core_url = 'http://s415366.projektstudencki.pl/generate'
+    payload = {
+        "data": request_json['user_input'], 
+        "length": 420
+    }
+
+    try:
+        response = requests.post(core_url, headers={"Content-Type":"application/json"}, data=json.dumps(payload))
+    except:
+        return 'Failed to generate content!', 400
+
+    generated_content = response.content.decode("utf-8").replace('<|endoftext|>', '').replace('  ', ' ')
+    content_sentences = sent_tokenize(generated_content)
+    trimmed_content = ''
+
+    for sentence in content_sentences:
+        if len(trimmed_content) + len(sentence) < 270:
+            trimmed_content += ' '
+            trimmed_content += sentence
+
+    if len(trimmed_content) < 1:
+        trimmed_content = generated_content[:270]
+    
+    return jsonify({
+        "content": trimmed_content
+    }), 200     
+
+@campaign.route('/post', methods=['POST'])
+def create_post():
+    decoded_token = verify_token(request.headers)
+    if not decoded_token:
+        return "Not authorised!", 401
+
+    user_id = decoded_token['sub']
+
+    content_type = request.headers.get('Content-Type')
+    if content_type != 'application/json':
+        return "Content-type not supported!", 400
+
+    request_json = request.json
+    if 'user_input' not in request_json or 'content' not in request_json or 'campaign_id' not in request_json:
+        return "Invalid request!", 400
+    
+    consumer_key = current_app.config["TWITTER_CONSUMER_KEY"]
+    consumer_secret = current_app.config["TWITTER_CONSUMER_SECERT"]
+
+    twitter_campaign = TwitterCampaign.query.filter_by(id=request_json['campaign_id']).first()
+    twitter_account = TwitterAccount.query.filter_by(id=twitter_campaign.twitter_account_id).first()
+
+    # create post on twitter
+    oauth = OAuth1Session(
+        consumer_key,
+        client_secret=consumer_secret,
+        resource_owner_key=twitter_account.access_token,
+        resource_owner_secret=twitter_account.access_token_secret,
+    )
+
+    response = oauth.post(
+        "https://api.twitter.com/2/tweets",
+        json={"text": request_json['content']},
+    ).json()['data']
+
+    twitter_campaign_post = TwitterPost(
+        id = str(uuid4()),
+        campaign_id = twitter_campaign.id,
+        user_id = user_id,
+        user_input = request_json['user_input'],
+        post_content = request_json['content'],
+        twitter_post_id = response['id']
+    )
+
+    db.session.add(twitter_campaign_post)
+    db.session.commit()
+    
+    return "Campaign post succesfully created.", 201  

ayct_backend/models.py

@@ -19,7 +19,6 @@ class TwitterCampaign(db.Model):
     user_id = db.Column(db.String(64), nullable=False)
     campaign_name = db.Column(db.String(64), nullable=False)
     twitter_account_id = db.Column(db.String(32), nullable=False)
-    user_input = db.Column(db.String(100), nullable=False)
     posts = db.relationship('TwitterPost', backref='campaign', lazy=True)
 
 class TwitterPost(db.Model):
@@ -28,5 +27,6 @@ class TwitterPost(db.Model):
     id = db.Column(db.String(36), primary_key=True)
     campaign_id = db.Column(db.String(36), db.ForeignKey(TwitterCampaign.id), nullable=False)
     user_id = db.Column(db.String(64), nullable=False)
+    user_input = db.Column(db.String(100), nullable=False)
     post_content = db.Column(db.String(300), nullable=False)
     twitter_post_id = db.Column(db.String(32), unique=True, nullable=False)

heroku.yml

@@ -1,3 +0,0 @@
-build:
-  docker:
-    web: Dockerfile

requirements.txt

@@ -5,3 +5,5 @@ requests_oauthlib==1.3.0
 psycopg2==2.9.3
 pytest==6.2.5
 google-api-python-client==2.36.0
+nltk==3.7
+gunicorn==20.1.0

setup_core.sh

@@ -1,6 +0,0 @@
-git clone https://git.wmi.amu.edu.pl/s415366/pbr-ayct-core
-cd pbr-ayct-core
-pip3 install setuptools
-python3 -m pip install --upgrade build
-python3 -m build
-pip3 install dist/pbrAyctCore-0.0.1.tar.gz