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unversity stores approved projects in files

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This commit is contained in:
Gaz 2023-04-10 17:21:07 +01:00
parent 03849be985
commit 54e3154876
3 changed files with 50 additions and 6 deletions
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8
funding_agency.py
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@ -14,12 +14,16 @@ def process_proposal(ch, method, properties, body):
if 200000 <= int(amount) <= 500000: if 200000 <= int(amount) <= 500000:
channel.basic_publish(exchange='', channel.basic_publish(exchange='',
routing_key=str(properties.reply_to), routing_key=properties.reply_to,
properties=pika.BasicProperties(correlation_id=properties.correlation_id),
body=f"{acronym} approved") body=f"{acronym} approved")
project_info=f"{acronym},{title},{description},{amount}"
channel.basic_publish(exchange='', routing_key='approved_projects', body=project_info)
print(f"{acronym} approved") print(f"{acronym} approved")
else: else:
channel.basic_publish(exchange='', channel.basic_publish(exchange='',
routing_key=str(properties.reply_to), routing_key=properties.reply_to,
properties=pika.BasicProperties(correlation_id=properties.correlation_id),
body=f"{acronym} rejected") body=f"{acronym} rejected")
print(f"{acronym} rejected") print(f"{acronym} rejected")

19
researcher.py
View File

@ -1,10 +1,18 @@
import pika import pika
import uuid
connection = pika.BlockingConnection(pika.ConnectionParameters('localhost', 5672, '/', pika.PlainCredentials("user", "password"))) connection = pika.BlockingConnection(pika.ConnectionParameters('localhost', 5672, '/', pika.PlainCredentials("user", "password")))
channel = connection.channel() channel = connection.channel()
channel.queue_declare(queue='research_proposals') channel.queue_declare(queue='research_proposals')
def process_response(ch, method, properties, body):
if corr_id == properties.correlation_id:
print(body)
else:
print("response failed")
proposals = [ proposals = [
{"acronym": "PRT1", "title": "Phantom Blood", "description": "Johnathen", "amount": "300000"}, {"acronym": "PRT1", "title": "Phantom Blood", "description": "Johnathen", "amount": "300000"},
{"acronym": "PRT2", "title": "Battle Tendency", "description": "Joseph", "amount": "400000"}, {"acronym": "PRT2", "title": "Battle Tendency", "description": "Joseph", "amount": "400000"},
@ -14,17 +22,20 @@ proposals = [
{"acronym": "PRT6", "title": "Stone Ocean", "description": "Jolyne", "amount": "420000"}, {"acronym": "PRT6", "title": "Stone Ocean", "description": "Jolyne", "amount": "420000"},
{"acronym": "PRT7", "title": "Steel Ball Run", "description": "Johnny", "amount": "100000"}, {"acronym": "PRT7", "title": "Steel Ball Run", "description": "Johnny", "amount": "100000"},
{"acronym": "PRT8", "title": "Jojolion", "description": "Josuke", "amount": "900000"}, {"acronym": "PRT8", "title": "Jojolion", "description": "Josuke", "amount": "900000"},
{"acronym": "PRT9", "title": "Jojolands", "description": "Jodio", "amount": "420000"} {"acronym": "PRT9", "title": "Jojolands", "description": "Jodio", "amount": "450000"}
] ]
corr_id = str(uuid.uuid4())
for proposal in proposals: for proposal in proposals:
result = channel.queue_declare(queue='', exclusive=True)
reply_to = result.method.queue response_queue = channel.queue_declare(queue='', exclusive=True).method.queue
channel.basic_publish(exchange='', channel.basic_publish(exchange='',
routing_key='research_proposals', routing_key='research_proposals',
properties=pika.BasicProperties(reply_to=reply_to), properties=pika.BasicProperties(reply_to=response_queue, correlation_id=corr_id),
body=f"{proposal['acronym']},{proposal['title']},{proposal['description']},{proposal['amount']}") body=f"{proposal['acronym']},{proposal['title']},{proposal['description']},{proposal['amount']}")
print(f"Proposal {proposal['acronym']} sent") print(f"Proposal {proposal['acronym']} sent")
channel.basic_consume(queue=response_queue, on_message_callback=process_response)
connection.close() connection.close()

29
university.py Normal file
View File

@ -0,0 +1,29 @@
import os
import pika
connection = pika.BlockingConnection(pika.ConnectionParameters('localhost', 5672, '/', pika.PlainCredentials("user", "password")))
channel = connection.channel()
channel.queue_declare(queue='approved_projects')
def process_approved_project(ch, method, properties, body):
proposal = body.decode()
acronym, title, description, amount = proposal.split(',')
filename = os.path.join(os.getcwd(), 'approved_projects', f'{acronym}.txt')
with open(filename, 'w') as f:
f.write(f'Acronym: {acronym}\n')
f.write(f'Researcher: {description}\n')
f.write(f'Budget: {amount}\n')
print(f'Approved project received: {body}')
channel.basic_consume(queue='approved_projects', on_message_callback=process_approved_project, auto_ack=True)
try:
print('University waiting for approved projects...')
channel.start_consuming()
except KeyboardInterrupt:
channel.stop_consuming()
connection.close()