308 lines
13 KiB
Python
308 lines
13 KiB
Python
from datetime import date, time
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import logging
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import os
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import uuid
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from pathlib import Path
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import httpx
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from dotenv import load_dotenv
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from fastapi import HTTPException
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from sqlalchemy.ext.asyncio import AsyncSession
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from pydantic import BaseModel, model_validator
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from inbox.models import Inbox_Messages
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from job.job_post.models import JobPostImages,JobPosts,SocialPlatform
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from users.models import Users
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from job.job_post.plugins import (
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BufferError,
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create_buffer_post,
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list_buffer_channels,
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local_status,
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normalize_platform,
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parse_buffer_datetime,
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render_job_post,
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resolve_channel,
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)
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from job.job_post.serializers import serialize_job_post, serialize_job_row
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load_dotenv()
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logger=logging.getLogger("job.job_post")
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# Cover images live in the job_post_images table (bytea), NOT on disk:
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# production containers have ephemeral filesystems, so a file-backed image
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# would vanish on every redeploy. One row per post; re-upload replaces it.
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ALLOWED_IMAGE_TYPES={"image/png","image/jpeg","image/webp","image/gif"}
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IMAGE_TYPE_BY_EXT={"png":"image/png","jpg":"image/jpeg","jpeg":"image/jpeg","webp":"image/webp","gif":"image/gif"}
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MAX_JOB_IMAGE_BYTES=5*1024*1024
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def _job_image_key(job_post_id) -> uuid.UUID:
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try:
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return uuid.UUID(str(job_post_id))
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except ValueError as e:
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raise HTTPException(status_code=422,detail="job_post_id must be a UUID") from e
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class JobPostCreate(BaseModel):
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title: str
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experience_min: int | None = None
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experience_max: int | None = None
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requirements: list[str] = []
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optional_skills: list[str] = []
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salary: str = "Anonymous"
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location: str | None = None
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employment_type: str | None = None
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department: str | None = None
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vacancies: int = 1
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description: str | None = None
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platform: str | None = None
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channel_id: str | None = None
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mode: str = "addToQueue"
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scheduler_time: time | None = time(0, 0, 0)
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scheduler_date: date | None = None
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due_at: str | None = None
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@model_validator(mode="after")
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def validate_mode_and_due_at(self):
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allowed = {"addToQueue", "shareNow", "customScheduled"}
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if self.mode not in allowed:
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raise ValueError(f"mode must be one of {sorted(allowed)}")
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if self.mode == "customScheduled" and not self.due_at and not self.scheduler_date:
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raise ValueError("due_at or scheduler_date is required when mode is customScheduled")
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return self
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class JobPost:
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def __init__(self,session:AsyncSession):
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self.session=session
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self.buffer_api=os.getenv("BUFFER_API")
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self.channel_id=os.getenv("BUFFER_CHANNEL_ID")
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async def _resolve_target(self,payload,aliases=None):
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"""Pick the Buffer channel to post to, and the service it belongs to.
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Precedence: an explicit channel_id, then the requested platform, then the
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configured default channel. Returns (channel_id, service) where service is
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None if we did not have to look the channel up.
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"""
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if payload.get("channel_id"):
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return payload["channel_id"],None
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if payload.get("platform"):
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channel=await resolve_channel(payload["platform"],aliases=aliases)
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return channel["id"],channel.get("service")
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if self.channel_id:
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return self.channel_id,None
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raise HTTPException(
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status_code=400,
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detail="Provide channel_id or platform, or configure BUFFER_CHANNEL_ID",
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)
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async def post_job(self,payload,current_user):
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aliases=await SocialPlatform.alias_map(self.session)
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# No channel_id and no platform means an internal-only requisition: save the
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# row for the board/dashboard and never touch Buffer. The env-default channel
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# fallback only applies when the caller explicitly asked to publish.
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publish=bool(payload.get("channel_id") or payload.get("platform"))
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if publish:
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try:
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channel_id,service=await self._resolve_target(payload,aliases)
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except (httpx.HTTPError,BufferError,RuntimeError) as e:
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raise HTTPException(status_code=502,detail=f"Failed to resolve Buffer channel: {e}") from e
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else:
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channel_id,service="",None
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text=render_job_post(payload)
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fields={
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"title":payload.get("title"),
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"employment_type":payload.get("employment_type"),
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"location":payload.get("location"),
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"experience_min":payload.get("experience_min"),
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"experience_max":payload.get("experience_max"),
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"requirements":list(payload.get("requirements") or []),
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"optional_skills":list(payload.get("optional_skills") or []),
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"salary":payload.get("salary") or "Anonymous",
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# department is NOT NULL with a server_default of "" — pass "", never None.
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"department":payload.get("department") or "",
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"vacancies":payload.get("vacancies") or 1,
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"description":payload.get("description"),
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"post_text":text,
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"channel_id":channel_id,
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"status":"draft",
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"created_by":current_user["id"],
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}
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# Only set platform when it is actually known: passing None would override the
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# column default and break the NOT NULL constraint. Buffer's channelService
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# replaces this with the authoritative value once the post is created.
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known_platform=service or normalize_platform(payload.get("platform"),aliases)
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if known_platform:
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fields["platform"]=known_platform
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elif not publish:
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# Column default is "linkedin"; an unpublished requisition must not
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# masquerade as a LinkedIn post.
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fields["platform"]="internal"
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row=await JobPosts.insert_job_post(self.session,fields)
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if not publish:
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return serialize_job_post(row)
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try:
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post=await create_buffer_post(
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text,
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channel_id,
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mode=payload.get("mode") or "addToQueue",
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due_at=payload.get("due_at"),
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)
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except (httpx.HTTPError,BufferError,RuntimeError) as e:
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await JobPosts.mark_failed(self.session,str(row.id),str(e))
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raise HTTPException(status_code=502,detail=f"Failed to publish job post to Buffer: {e}") from e
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saved=await JobPosts.mark_buffer_result(
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self.session,
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str(row.id),
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buffer_post_id=post["id"],
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status=local_status(post.get("status")),
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external_link=post.get("externalLink"),
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sent_at=parse_buffer_datetime(post.get("sentAt")),
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platform=post.get("channelService"),
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)
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return serialize_job_post(saved)
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async def list_channels(self):
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try:
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return await list_buffer_channels()
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except (httpx.HTTPError,BufferError,RuntimeError) as e:
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raise HTTPException(status_code=502,detail="Failed to list Buffer channels") from e
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async def fetch_job_posts(self,search=None,top=None,skip=0,ids=None,active_only=True):
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rows,total=await JobPosts.fetch_job_posts(
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self.session,
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search=search,
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top=top,
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skip=skip,
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ids=ids,
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active_only=active_only,
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)
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return [serialize_job_post(r) for r in rows],total
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async def fetch_jobs(self,search=None,department=None,requisition_status=None,
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employment_type=None,top=None,skip=0,active_only=True):
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rows,total=await JobPosts.fetch_job_posts(
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self.session,search=search,top=top,skip=skip,active_only=active_only,
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department=department,requisition_status=requisition_status,
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employment_type=employment_type,
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)
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names=await Users.names_by_ids(
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self.session,[r.current_recruiter_id for r in rows],
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)
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counts=await Inbox_Messages.counts_by_job_post_ids(self.session,[r.id for r in rows])
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return [
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serialize_job_row(
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r,
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recruiter_name=names.get(str(r.current_recruiter_id)),
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applicant_count=counts.get(str(r.id),0),
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)
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for r in rows
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],total
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async def _job_row(self,row):
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names=await Users.names_by_ids(
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self.session,[row.current_recruiter_id] if row.current_recruiter_id else [],
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)
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return serialize_job_row(row,recruiter_name=names.get(str(row.current_recruiter_id)))
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async def update_job(self,job_post_id,payload,current_user):
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if not current_user:
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raise HTTPException(status_code=401,detail="Not authenticated")
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allowed=("title","department","location","employment_type","vacancies",
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"salary","experience_min","experience_max","description")
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fields={k:payload[k] for k in allowed if k in payload}
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if "salary" not in fields and ("salary_min" in payload or "salary_max" in payload):
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low=payload.get("salary_min")
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high=payload.get("salary_max")
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if low is not None and high is not None:
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fields["salary"]=f"{low} - {high}"
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elif low is not None:
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fields["salary"]=str(low)
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elif high is not None:
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fields["salary"]=str(high)
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if "department" in fields and fields["department"] is None:
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fields["department"]=""
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if not fields:
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raise HTTPException(status_code=400,detail="No fields to update")
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row=await JobPosts.update_job_post(self.session,job_post_id,fields)
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if not row:
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raise HTTPException(status_code=404,detail="Job post not found")
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return await self._job_row(row)
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async def delete_job(self,job_post_id,current_user):
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if not current_user:
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raise HTTPException(status_code=401,detail="Not authenticated")
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row=await JobPosts.soft_delete_job_post(self.session,job_post_id)
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if not row:
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raise HTTPException(status_code=404,detail="Job post not found")
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return {"id":str(row.id),"deleted":True}
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async def save_job_image(self,job_post_id,filename,content_type,content,current_user):
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if not current_user:
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raise HTTPException(status_code=401,detail="Not authenticated")
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key=_job_image_key(job_post_id)
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media=(content_type or "").lower()
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if media not in ALLOWED_IMAGE_TYPES:
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# Fall back to the filename extension; browsers occasionally send
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# application/octet-stream for perfectly valid images.
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suffix=Path((filename or "").replace("\\","/")).suffix.lstrip(".").lower()
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media=IMAGE_TYPE_BY_EXT.get(suffix)
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if not media:
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raise HTTPException(status_code=415,detail="Image must be PNG, JPG, WEBP or GIF")
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if not content:
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raise HTTPException(status_code=400,detail="Empty image upload")
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if len(content)>MAX_JOB_IMAGE_BYTES:
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raise HTTPException(status_code=413,detail="Image must be under 5 MB")
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rows,total=await JobPosts.fetch_job_posts(self.session,ids=[str(key)],active_only=False)
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if not total:
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raise HTTPException(status_code=404,detail="Job post not found")
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raw_user=(current_user or {}).get("id")
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uploaded_by=uuid.UUID(str(raw_user)) if raw_user else None
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await JobPostImages.upsert(
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self.session,key,
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content_type=media,
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file_name=Path((filename or "").replace("\\","/")).name or None,
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data=content,
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uploaded_by=uploaded_by,
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)
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return {"job_post_id":str(key),"has_image":True}
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async def get_job_image(self,job_post_id):
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key=_job_image_key(job_post_id)
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row=await JobPostImages.get(self.session,key)
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if not row:
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raise HTTPException(status_code=404,detail="No image for this job post")
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return row.data,row.content_type
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async def set_job_status(self,job_post_id,payload,current_user):
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if not current_user:
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raise HTTPException(status_code=401,detail="Not authenticated")
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status=(payload.get("requisition_status") or "").strip()
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allowed=("open","closed","on_hold")
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if status not in allowed:
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raise HTTPException(status_code=422,detail=f"requisition_status must be one of {', '.join(allowed)}")
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row=await JobPosts.set_requisition_status(self.session,job_post_id,status)
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if not row:
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raise HTTPException(status_code=404,detail="Job post not found")
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if status=="closed":
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try:
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from notifications.models import Notifications
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raw=row.current_recruiter_id or (current_user.get("id") if current_user else None)
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recipient=uuid.UUID(str(raw)) if raw else None
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if recipient:
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await Notifications.insert_notification(self.session,{
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"user_id":recipient,
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"kind":"approval",
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"title":"Requisition closed",
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"body":f"{row.title} was closed",
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"link_path":"/jobs",
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"job_post_id":row.id,
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})
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except Exception as exc:
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logger.warning("notification insert skipped: %s",exc)
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return await self._job_row(row)
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