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import datetime
from random import randint
from datetime import time
import random
from typing import Optional
from crewai import Crew
from crewai.flow.flow import router, or_
from pydantic import BaseModel
from crewai.flow import Flow, listen, start
from engineering_team_using_flow.crews.engineering_crew.engineering_crew import (
CodeReviewFeedback,
EngineeringCrew,
)
from .shared_queue import TaskInfo, add_to_queue
class EngineeringState(BaseModel):
module_name: str = ""
business_requirement: str = ""
technical_design: Optional[str] = ""
backend_code: Optional[str] = ""
frontend_code: Optional[str] = ""
unit_test_code: Optional[str] = ""
backend_code_review_feedbacks: list[CodeReviewFeedback] = []
frontend_code_review_feedbacks: list[CodeReviewFeedback] = []
MAX_REVIEW_ITERATIONS = 3
BUSINESS_REQUIREMENTS: list[EngineeringState] = [
EngineeringState(
module_name="mod_series_eval",
business_requirement="Create a web application that allows the user to evaluate the first N terms of a given series and \
multiply the total by X (default to 4). for instance, the series could be something like :\
1 + 1/3 - 1/5 + 1/7 - 1/9 ... ",
)
]
class EngineeringFlow(Flow[EngineeringState]):
def __init__(self, module_name:str, business_requirement:str):
super().__init__()
self.module_name = module_name
self.business_requirement = business_requirement
@start()
def generate_business_requirement(self):
print("Generating business requirement")
self.state.business_requirement = self.business_requirement
self.state.module_name = self.module_name
add_to_queue(
TaskInfo(
name="Gathering Business Requirements",
type="markdown",
output=f"Gathering Business Requirements for {self.state.module_name}...",
)
)
# chosen_requirement = random.choice(BUSINESS_REQUIREMENTS)
# self.state.business_requirement = chosen_requirement.business_requirement
# self.state.module_name = chosen_requirement.module_name
add_to_queue(
TaskInfo(
name="Gather Business Requirements",
type="markdown",
output=f"#### Business Requirements for {self.state.module_name}: \n{self.state.business_requirement}",
)
)
@listen(generate_business_requirement)
def design_product(self):
print("Designing product for requirement: ", self.state)
add_to_queue(
TaskInfo(
name="Generating Design",
type="markdown",
output=f"Designing the product ...",
)
)
engineeringCrew = EngineeringCrew()
mycrew = Crew(
agents=[engineeringCrew.development_lead()],
tasks=[engineeringCrew.design_task()],
)
result = mycrew.kickoff(
inputs={
"id": self.state.id,
"requirement": self.state.business_requirement,
"module_name": self.state.module_name,
"review_comments": "",
}
)
print("Product Design Created", result.raw)
self.state.technical_design = result.raw
add_to_queue(
TaskInfo(
name="Generate Design",
type="markdown",
output=f"{self.state.technical_design}",
)
)
@listen(or_("design_product", "REWRITE_BACKEND_CODE"))
def develop_backend(self):
print("Developing backend : ", self.state)
add_to_queue(
TaskInfo(
name="Generating Backend Code",
type="markdown",
output=f"Generating Backend Code ...",
)
)
engineeringCrew = EngineeringCrew()
mycrew = Crew(
agents=[engineeringCrew.backend_engineer()],
tasks=[engineeringCrew.backend_coding_task()],
)
result = mycrew.kickoff(
inputs={
"id": self.state.id,
"requirement": self.state.business_requirement,
"module_name": self.state.module_name,
"review_comments": (
self.state.backend_code_review_feedbacks[
-1
].review_comments_markdown
if self.state.backend_code_review_feedbacks
else ""
),
}
)
print("Backend Code Created", result.raw)
self.state.backend_code = result.raw
add_to_queue(
TaskInfo(
name="Generate Backend Code",
type="markdown",
output=f"#### Backend Code for {self.state.module_name}: \n ```{self.state.backend_code}\n```",
)
)
return "BACKEND_CODE_CREATED"
@router(develop_backend)
def review_backend_code(self):
print("Reviewing backend code : ", self.state)
if len(self.state.backend_code_review_feedbacks) >= MAX_REVIEW_ITERATIONS:
add_to_queue(
TaskInfo(
name="Maximum Iterations Exceeded!",
type="markdown",
output=f"#### Maximum Iterations Exceeded!",
)
)
return "MAX_REVIEW_ITERATIONS_EXCEEDED"
engineeringCrew = EngineeringCrew()
add_to_queue(
TaskInfo(
name="Reviewing Backend Code",
type="markdown",
output=f"Reviewing Backend Code ...",
)
)
mycrew = Crew(
agents=[engineeringCrew.code_reviewer()],
tasks=[engineeringCrew.code_review_task()],
)
if self.state.backend_code_review_feedbacks is None:
self.state.backend_code_review_feedbacks = []
result = mycrew.kickoff(
inputs={
"id": self.state.id,
"requirement": self.state.business_requirement,
"module_name": self.state.module_name,
"backend_code": self.state.backend_code,
"iteration": len(self.state.backend_code_review_feedbacks),
}
)
codeReviewFeedback: CodeReviewFeedback = result.tasks_output[0].pydantic # type: ignore[index]
print(codeReviewFeedback)
add_to_queue(
TaskInfo(
name="Generate Backend Code Review",
type="markdown",
output=f"#### Backend Code Review Iteration {len(self.state.backend_code_review_feedbacks)} for {self.state.module_name}: \n{codeReviewFeedback.review_comments_markdown}",
)
)
self.state.backend_code_review_feedbacks.append(codeReviewFeedback)
if codeReviewFeedback.passed_review:
return "BACKEND_CODE_REVIEWED"
else:
return "REWRITE_BACKEND_CODE"
@listen(or_("BACKEND_CODE_REVIEWED", "REWRITE_FRONTEND_CODE"))
def develop_frontend(self):
print("Developing frontend : ", self.state)
add_to_queue(
TaskInfo(
name="Developing Frontend Code",
type="markdown",
output=f"Developing Frontend Code ...",
)
)
engineeringCrew = EngineeringCrew()
mycrew = Crew(
agents=[engineeringCrew.frontend_engineer()],
tasks=[engineeringCrew.frontend_coding_task()],
)
result = mycrew.kickoff(
inputs={
"id": self.state.id,
"requirement": self.state.business_requirement,
"module_name": self.state.module_name,
"review_comments": (
self.state.frontend_code_review_feedbacks[
-1
].review_comments_markdown
if self.state.frontend_code_review_feedbacks
else ""
),
}
)
print("Frontend Code Created", result.raw)
self.state.frontend_code = result.raw
add_to_queue(
TaskInfo(
name="Generate Frontend Code",
type="markdown",
output=f"#### Frontend Code for {self.state.module_name}:\n ```{self.state.frontend_code}```",
)
)
return "FRONTEND_CODE_CREATED"
@router(develop_frontend)
def review_frontend_code(self):
print("Reviewing frontkend code : ", self.state)
if len(self.state.frontend_code_review_feedbacks) >= MAX_REVIEW_ITERATIONS:
add_to_queue(
TaskInfo(
name="Maximum Iterations Exceeded!",
type="markdown",
output=f"#### Maximum Iterations Exceeded!",
)
)
return "MAX_REVIEW_ITERATIONS_EXCEEDED"
engineeringCrew = EngineeringCrew()
add_to_queue(
TaskInfo(
name="Reviewing Frontend Code",
type="markdown",
output=f"Reviewing Frontend Code ...",
)
)
mycrew = Crew(
agents=[engineeringCrew.code_reviewer()],
tasks=[engineeringCrew.frontend_code_review_task()],
)
if self.state.frontend_code_review_feedbacks is None:
self.state.frontend_code_review_feedbacks = []
result = mycrew.kickoff(
inputs={
"id": self.state.id,
"requirement": self.state.business_requirement,
"module_name": self.state.module_name,
"frontend_code": self.state.frontend_code,
"iteration": len(self.state.frontend_code_review_feedbacks),
}
)
codeReviewFeedback: CodeReviewFeedback = result.tasks_output[0].pydantic # type: ignore[index]
print(codeReviewFeedback)
add_to_queue(
TaskInfo(
name="Generate Frontend Code Review",
type="markdown",
output=f"#### Frontend Code Review Iteration {len(self.state.frontend_code_review_feedbacks)} for {self.state.module_name}: \n{codeReviewFeedback.review_comments_markdown}",
)
)
self.state.frontend_code_review_feedbacks.append(codeReviewFeedback)
if codeReviewFeedback.passed_review:
return "FRONTEND_CODE_REVIEWED"
else:
return "REWRITE_FRONTEND_CODE"
@listen("FRONTEND_CODE_REVIEWED")
def write_test_cases(self):
print("Writing test cases : ", self.state)
add_to_queue(
TaskInfo(
name="Writing Test Cases",
type="markdown",
output=f"Writing Test Cases ...",
)
)
engineeringCrew = EngineeringCrew()
mycrew = Crew(
agents=[engineeringCrew.test_engineer()],
tasks=[engineeringCrew.test_preparation_task()],
)
result = mycrew.kickoff(
inputs={
"id": self.state.id,
"requirement": self.state.business_requirement,
"module_name": self.state.module_name,
"backend_code": self.state.backend_code,
"frontend_code": self.state.frontend_code,
}
)
self.state.unit_test_code = result.raw
add_to_queue(
TaskInfo(
name="Generate Test Cases",
type="markdown",
output=f"#### Test Cases for {self.state.module_name}: \n```{self.state.unit_test_code}```",
)
)
return "TEST_CASES_PREPARED"
def kickoff():
engineering_flow = EngineeringFlow()
engineering_flow.kickoff()
def plot():
engineering_flow = EngineeringFlow()
engineering_flow.plot()
if __name__ == "__main__":
kickoff()
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