Add context from vector search to RAG pipeline

README.md

@@ -1,24 +1,40 @@
-# vision-career-backend
+# vision-career
 
 Sample `.env`:
 
 ```dotenv
-DEEPINFRA_API_TOKEN=your-token-here
 OPENAI_API_KEY=your-token-here
+OPENAI_PROXY=http://user:password@host:port
 
 BOT_TOKEN=your-token-here
 
 SSL_CERT_FILE=/etc/ssl/certs/ca-certificates.crt
+
+SECRET_KEY=secret
+DEBUG=true
 ```
 
 Commands:
 
 ```bash
+docker compose up -d
+
+KUBECONFIG=clickhouse-kubeconfig.yaml kubectl port-forward svc/clickhouse-clickhouse -n clickhouse 18123:8123
+
+uv sync
+
 uv run --env-file .env manage.py migrate
 uv run --env-file .env manage.py createsuperuser --username stromenko_es --email estromenko@mail.ru
+uv run --env-file .env manage.py collectstatic
 uv run --env-file .env manage.py runserver
 
 uv run --env-file .env manage.py generate_recommended_vacancies
 uv run --env-file .env manage.py collect_vacancies_from_telegram_messages
 uv run --env-file .env manage.py runbot
 ```
+
+Production port-forwards:
+
+```bash
+KUBECONFIG=production-kubeconfig.yaml kubectl port-forward svc/main-cluster-rw -n postgresql-cluster 5432
+```

compose.yaml

@@ -1,11 +1,4 @@
 services:
-  qdrant:
-    image: qdrant/qdrant:latest
-    restart: always
-    ports:
-      - "127.0.0.1:6333:6333"
-    volumes:
-      - "/srv/vision-career/qdrant:/qdrant/storage"
   postgres:
     image: postgres:17-alpine3.20
     restart: always
@@ -16,3 +9,10 @@ services:
       - "127.0.0.1:5432:5432"
     volumes:
       - "/srv/vision-career/postgres:/var/lib/postgresql/data"
+  qdrant:
+    image: qdrant/qdrant:latest
+    restart: always
+    ports:
+      - "127.0.0.1:6333:6333"
+    volumes:
+      - "/srv/vision-career/qdrant:/qdrant/storage"

pyproject.toml

@@ -7,15 +7,16 @@ requires-python = ">=3.13"
 dependencies = [
     "clickhouse-connect>=0.9.2",
     "django>=5.2.7",
+    "flashrank>=0.2.10",
     "gunicorn>=23.0.0",
     "langchain>=0.3.27",
     "langchain-openai>=0.3.35",
-    "langchain-qdrant>=1.1.0",
     "langgraph-checkpoint-postgres>=3.0.0",
     "psycopg[binary]>=3.2.12",
     "pydantic>=2.0",
     "pypdf>=6.1.2",
     "python-telegram-bot>=22.5",
+    "qdrant-client>=1.16.1",
     "sentry-sdk>=2.43.0",
     "whitenoise>=6.11.0",
 ]

vacancies/conf/settings.py

@@ -43,6 +43,7 @@ INSTALLED_APPS = [
     'django.contrib.messages',
     'django.contrib.staticfiles',
     'vacancies.main',
+    'vacancies.hh_parser',
 ]
 
 MIDDLEWARE = [
@@ -89,8 +90,19 @@ DATABASES = {
         "PORT": os.getenv("PG_PORT", "5432"),
         "CONN_HEALTH_CHECKS": True,
     },
+    "hh_parser": {
+        "ENGINE": "django.db.backends.postgresql",
+        "NAME": os.getenv("HH_PARSER_PG_NAME", "postgres"),
+        "USER": os.getenv("HH_PARSER_PG_USER", "postgres"),
+        "PASSWORD": os.getenv("HH_PARSER_PG_PASSWORD", "postgres"),
+        "HOST": os.getenv("HH_PARSER_PG_HOST", "localhost"),
+        "PORT": os.getenv("HH_PARSER_PG_PORT", "5432"),
+        "CONN_HEALTH_CHECKS": True,
+    },
 }
 
+DATABASE_ROUTERS = ["vacancies.hh_parser.routers.AppRouter"]
+
 DB_URI = f"postgres://{DATABASES['default']['USER']}:{quote(DATABASES['default']['PASSWORD'])}@{DATABASES['default']['HOST']}:{DATABASES['default']['PORT']}/{DATABASES['default']['NAME']}?sslmode=disable"
 
 

vacancies/hh_parser/admin.py

@@ -0,0 +1,9 @@
+from django.contrib import admin
+from vacancies.hh_parser import models
+
+
+@admin.register(models.Vacancy)
+class VacancyAdmin(admin.ModelAdmin):
+    list_filter = ("source", "created_at")
+    search_fields = ("title",)
+    list_display = ("company", "title", "source", "link", "created_at")

vacancies/hh_parser/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class HHParserConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'vacancies.hh_parser'

vacancies/hh_parser/models.py

@@ -0,0 +1,32 @@
+from django.db import models
+
+
+class Vacancy(models.Model):
+    id = models.CharField(max_length=255, primary_key=True)
+    title = models.CharField(max_length=255, null=True, blank=True)
+    description = models.TextField(null=True, blank=True)
+    min_payment = models.IntegerField(null=True, blank=True)
+    max_payment = models.IntegerField(null=True, blank=True)
+    payment_currency = models.CharField(max_length=255, null=True, blank=True)
+    payment_type = models.CharField(max_length=255, null=True, blank=True)
+    payment_period = models.CharField(max_length=255, null=True, blank=True)
+    work_experience = models.CharField(max_length=255, null=True, blank=True)
+    type_of_employment = models.CharField(max_length=255, null=True, blank=True)
+    work_schedule = models.CharField(max_length=255, null=True, blank=True)
+    work_format = models.CharField(max_length=255, null=True, blank=True)
+    link = models.CharField(max_length=255, null=True, blank=True)
+    address = models.CharField(max_length=255, null=True, blank=True)
+    created_at = models.DateTimeField(null=True, blank=True)
+    company = models.CharField(max_length=255, null=True, blank=True)
+    processed = models.BooleanField()
+    source = models.CharField()
+
+    objects = models.Manager()
+
+    def __str__(self):
+        return f'{self.source}: {self.company} -> {self.id} {self.title}'
+
+    class Meta:
+        managed = False
+        db_table = "vacancies"
+        verbose_name_plural = 'Vacancies'

vacancies/hh_parser/routers.py

@@ -0,0 +1,23 @@
+class AppRouter:
+    route_app_labels = {"hh_parser"}
+    db_name = "hh_parser"
+
+    def db_for_read(self, model, **hints):
+        if model._meta.app_label in self.route_app_labels:
+            return self.db_name
+        return None
+
+    def db_for_write(self, model, **hints):
+        if model._meta.app_label in self.route_app_labels:
+            return self.db_name
+        return None
+
+    def allow_relation(self, obj1, obj2, **hints):
+        if obj1._meta.app_label in self.route_app_labels and obj2._meta.app_label in self.route_app_labels:
+            return True
+        return None
+
+    def allow_migrate(self, db, app_label, model_name=None, **hints):
+        if app_label in self.route_app_labels:
+            return db == self.db_name
+        return None

vacancies/main/admin.py

@@ -1,16 +1,27 @@
 from django.contrib import admin
 from vacancies.main import models
 
+
 @admin.register(models.Customer)
 class CustomerAdmin(admin.ModelAdmin):
     pass
 
 
 @admin.register(models.CustomerCV)
-class CustomerCVADMIN(admin.ModelAdmin):
+class CustomerCVAdmin(admin.ModelAdmin):
     pass
 
 
 @admin.register(models.RecommendedVacancy)
 class RecommendedVacancyAdmin(admin.ModelAdmin):
     pass
+
+
+@admin.register(models.Vacancy)
+class VacancyAdmin(admin.ModelAdmin):
+    pass
+
+
+@admin.register(models.JobTitle)
+class JobTitleAdmin(admin.ModelAdmin):
+    pass

vacancies/main/bot.py

@@ -1,10 +1,14 @@
+import asyncio
 import io
 import os
 import traceback
+from typing import Literal
 
+from asgiref.sync import sync_to_async
 from langchain.agents import create_agent
 from langchain_openai import ChatOpenAI
 from langgraph.checkpoint.postgres.aio import AsyncPostgresSaver
+from pydantic import BaseModel
 from pypdf import PdfReader
 from telegram import (
     InlineKeyboardButton,
@@ -22,21 +26,34 @@ from telegram.ext import (
 )
 
 from vacancies.conf.settings import DB_URI
-from vacancies.main.models import Customer, CustomerCV
-from vacancies.main.vector_store import (
-    add_vectors,
-    batch_extract_features,
-    get_next_vacancy,
-    embed_features,
-)
+from vacancies.main import prompts
+from vacancies.main.models import Customer, CustomerCV, JobTitle
+from vacancies.main.recommendations import get_next_vacancy
+from django.conf import settings
+from qdrant_client import AsyncQdrantClient
+from openai import AsyncOpenAI
 
-SYSTEM_PROMPT = """
-Ты — карьерный копилот для ИТ. Ты можешь отвечать на любые вопросы по тематике карьеры.
-У тебя есть доступ к резюме пользователя при необходимости.
-Пиши кратко (до 5–6 строк, буллеты приветствуются).
-После полезного ответа предложи что-нибудь, чем ты можешь помочь еще.
-Отвечай простым текстом, не используй форматирование markdown.
-"""
+qdrant_client = AsyncQdrantClient(url=settings.QDRANT_URL)
+openai_client = AsyncOpenAI(base_url="https://openrouter.ai/api/v1")
+
+
+async def get_relevant_messages(query: str):
+    """Получает релевантные сообщения по запросу пользователя."""
+
+    embedding = await openai_client.embeddings.create(
+        model="qwen/qwen3-embedding-8b",
+        input=query,
+        encoding_format="float",
+    )
+
+    response = await qdrant_client.query_points(
+        collection_name="messages",
+        query=embedding.data[0].embedding,
+        limit=20,
+    )
+    messages = [hit.payload["message"] for hit in response.points]
+
+    return "\n\n".join(messages)
 
 
 async def get_user_resume(user_id: int):
@@ -60,7 +77,7 @@ async def start(update: Update, context: ContextTypes.DEFAULT_TYPE):
 
 
 async def next_vacancy(update: Update, context: ContextTypes.DEFAULT_TYPE):
-    await context.bot.send_message(update.effective_chat.id, "📝 Обрабатываю твой запрос. Пожалуйста, подождите...")
+    await context.bot.send_message(update.effective_chat.id, "⏳ Обрабатываю твой запрос. Пожалуйста, подождите...")
 
     customer_cv = await CustomerCV.objects.filter(customer__telegram_id=update.effective_user.id).afirst()
     if not customer_cv:
@@ -68,33 +85,36 @@ async def next_vacancy(update: Update, context: ContextTypes.DEFAULT_TYPE):
         await context.bot.send_message(chat_id=update.effective_chat.id, text=message)
         return
 
-    result = get_next_vacancy(customer_cv)
-    if not result:
+    vacancy = await asyncio.to_thread(get_next_vacancy, customer_cv)
+    if not vacancy:
         message = "Вакансии закончились, возвращайтесь позже!"
         await context.bot.send_message(chat_id=update.effective_chat.id, text=message)
         return
 
-    recommendation, vacancy_content, link = result
-
     await context.bot.send_message(
         chat_id=update.effective_chat.id,
-        text=vacancy_content,
+        parse_mode="Markdown",
+        text=vacancy.get_formatted_response(),
         reply_markup=InlineKeyboardMarkup([[
-            InlineKeyboardButton("Откликнуться", url=link),
+            InlineKeyboardButton("Откликнуться", url=vacancy.link),
         ]]),
     )
 
 
 async def prompt(update: Update, context: ContextTypes.DEFAULT_TYPE):
     async with AsyncPostgresSaver.from_conn_string(DB_URI) as checkpointer:
+        chat_model = ChatOpenAI(
+            model_name="openai/gpt-5-mini:online",
+            openai_api_base="https://openrouter.ai/api/v1",
+        )
         agent = create_agent(
-            model=ChatOpenAI(model_name="gpt-5-mini", reasoning_effort="minimal"),
-            tools=[get_user_resume],
-            system_prompt=SYSTEM_PROMPT,
+            model=chat_model,
+            tools=[get_user_resume, get_relevant_messages],
+            system_prompt=prompts.BOT_SYSTEM_PROMPT,
             checkpointer=checkpointer,
         )
 
-        message = await context.bot.send_message(update.effective_chat.id, "📝 Обрабатываю твой запрос. Пожалуйста, подождите...")
+        message = await context.bot.send_message(update.effective_chat.id, "⏳ Обрабатываю твой запрос. Пожалуйста, подождите...")
 
         response = await agent.ainvoke(
             input={"messages": [{"role": "user", "content": f'user_id = {update.effective_user.id}\n{update.message.text}'}]},
@@ -110,7 +130,7 @@ async def error_handler(update: object, context: ContextTypes.DEFAULT_TYPE) -> N
 
 
 async def handle_document(update: Update, context: ContextTypes.DEFAULT_TYPE):
-    message = await context.bot.send_message(update.effective_chat.id, "📝 Обрабатываю твой запрос. Пожалуйста, подождите...")
+    message = await context.bot.send_message(update.effective_chat.id, "⏳ Обрабатываю твой запрос. Пожалуйста, подождите...")
 
     if not update.message.document:
         await context.bot.send_message(chat_id=update.effective_chat.id, text="Не удалось прочитать информацию из файла! Попробуйте другой формат.")
@@ -122,17 +142,27 @@ async def handle_document(update: Update, context: ContextTypes.DEFAULT_TYPE):
     reader = PdfReader(buffer)
     resume = "\n".join(page.extract_text() for page in reader.pages)
 
+    db_job_titles = await sync_to_async(list)(JobTitle.objects.values_list('title', flat=True))
+    job_title_map = await sync_to_async(dict)(JobTitle.objects.values_list('title', 'id'))
+
+    class Structure(BaseModel):
+        job_titles: list[Literal[tuple(db_job_titles)]]
+        min_salary_rub: int | None
+        max_salary_rub: int | None
+
+    openai_client = ChatOpenAI(model_name="gpt-5-mini", temperature=0, seed=42, top_p=1)
+    structured_llm = openai_client.with_structured_output(Structure)
+
+    prompt = f'{prompts.STRUCTURED_OUTPUT_PROMPT} {resume}'
+    response = await structured_llm.ainvoke(prompt)
+
     customer = await Customer.objects.aget(telegram_id=update.effective_user.id)
     customer_cv, _ = await CustomerCV.objects.aupdate_or_create(customer=customer, defaults=dict(
         content=resume,
+        min_salary_rub=response.min_salary_rub,
+        max_salary_rub=response.max_salary_rub,
     ))
-    features = batch_extract_features(customer_cv.content)[0]
-    add_vectors(
-        "cvs",
-        customer_cv.id,
-        embed_features(features.model_dump())[0],
-        {'content': customer_cv.content, 'features_json': features.model_dump()},
-    )
+    await customer_cv.job_titles.aset([job_title_map[job_title] for job_title in response.job_titles])
 
     await context.bot.editMessageText("Отлично! Запомнил Ваше резюме.", update.effective_chat.id, message.id)
 

vacancies/main/management/commands/collect_vacancies_from_hh_parser.py

@@ -0,0 +1,45 @@
+from django.core.management import BaseCommand
+from django.utils import timezone
+from vacancies.hh_parser.models import Vacancy as ExternalVacancy
+from vacancies.main.models import Vacancy, JobTitle
+from flashrank import Ranker, RerankRequest
+import re
+
+tags_regex = re.compile('<.*?>') 
+
+reranker = Ranker("ms-marco-TinyBERT-L-2-v2")
+
+
+class Command(BaseCommand):
+    help = "Collect vacancies from hh.ru parser"
+    
+    def _remove_tags(self, text):
+        return re.sub(tags_regex, "", text)
+
+    def handle(self, *args, **options):
+        job_titles = list(JobTitle.objects.values("id", "title"))
+        passages = [{"text": job_title["title"], **job_title} for job_title in job_titles]
+
+        queryset = ExternalVacancy.objects.filter(title__isnull=False, description__isnull=False)
+        total_vacancies = queryset.count()
+
+        for index, vacancy in enumerate(queryset):
+            results = reranker.rerank(RerankRequest(query=vacancy.title, passages=passages))
+            ordered_results = sorted(results, key=lambda i: i["score"], reverse=True)
+            job_title_id = ordered_results[0]["id"]
+
+            vacancy, created = Vacancy.objects.get_or_create(
+                external_id=vacancy.id,
+                defaults=dict(
+                    job_title_id=job_title_id,
+                    min_salary_rub=vacancy.min_payment,
+                    max_salary_rub=vacancy.max_payment,
+                    company_name=vacancy.company,
+                    requirements=self._remove_tags(vacancy.description),
+                    content=self._remove_tags(vacancy.description),
+                    timestamp=timezone.make_aware(vacancy.created_at),
+                    link=vacancy.link,
+                ),
+            )
+
+            print(f"{index+1}/{total_vacancies} Vacancy: {vacancy}, created: {created}")

vacancies/main/management/commands/collect_vacancies_from_telegram_messages.py

@@ -1,18 +1,16 @@
-from concurrent.futures import ThreadPoolExecutor
-from datetime import datetime, timedelta
+from datetime import timedelta
 from itertools import batched
+from typing import Literal
 
 import clickhouse_connect
-from django.core.management import BaseCommand
 from django.conf import settings
-from qdrant_client.models import OrderBy
+from django.core.management import BaseCommand
+from django.utils import timezone
+from langchain_openai import ChatOpenAI
+from pydantic import BaseModel
 
-from vacancies.main.vector_store import (
-    add_vectors,
-    batch_extract_features,
-    embed_features,
-    qdrant_client,
-)
+from vacancies.main import prompts
+from vacancies.main.models import JobTitle, Vacancy
 
 query = """
 SELECT DISTINCT ON (message) id, chat_username, telegram_id, message, timestamp
@@ -28,7 +26,8 @@ WHERE timestamp >= %(timestamp)s
     'заниматься', 'формат', 'занятость', 'вилка', 'должност', 'контакт'
   ]) >= 5
   AND arrayCount(x -> position(lower(message), x) > 0, [
-    'о себе', 'обо мне', 'умею', '#ищу', '#резюме', 'университет', 'колледж'
+    'о себе', 'обо мне', 'умею', '#ищу', '#резюме', 'университет', 'колледж',
+    'не будет опубликовано'
   ]) = 0
 ORDER BY timestamp ASC
 """
@@ -38,23 +37,49 @@ class Command(BaseCommand):
     help = "Collect vacancies from telegram messages"
 
     def handle(self, *args, **options):
-        response = qdrant_client.scroll(collection_name="vacancies", limit=1, order_by=OrderBy(key="timestamp", direction="desc"))
-        last_point_timestamp = datetime.now() - timedelta(days=30)
-        if response[0]:
-            last_point_timestamp = response[0][0].payload["timestamp"]
+        job_titles = JobTitle.objects.values_list('title', flat=True)
+        job_title_map = dict(JobTitle.objects.values_list('title', 'id'))
+
+        class Structure(BaseModel):
+            job_title: Literal[tuple(job_titles)]
+            min_salary_rub: int | None
+            max_salary_rub: int | None
+            company_name: str
+            requirements: str
+
+        openai_client = ChatOpenAI(
+            model_name="openai/gpt-5-mini",
+            openai_api_base="https://openrouter.ai/api/v1",
+            temperature=0,
+            seed=42,
+            top_p=1,
+        )
+        structured_llm = openai_client.with_structured_output(Structure)
+
+        last_timestamp = timezone.now() - timedelta(days=30)
+        if last_vacancy := Vacancy.objects.order_by("-timestamp").first():
+            last_timestamp = last_vacancy.timestamp
 
         clickhouse_client = clickhouse_connect.create_client(host=settings.CLICKHOUSE_HOST, port=settings.CLICKHOUSE_PORT)
-        result_rows = clickhouse_client.query(query, parameters={"timestamp": last_point_timestamp}).result_rows
+        result_rows = clickhouse_client.query(query, parameters={"timestamp": last_timestamp}).result_rows
 
-        for index, rows in enumerate(batched(result_rows, settings.COLLECT_VACANCIES_BATCH_SIZE)):
-            vacancies_features = batch_extract_features([row[3] for row in rows])
-
-            print(f"Processing {index+1}/{len(result_rows)//settings.COLLECT_VACANCIES_BATCH_SIZE}")
-            with ThreadPoolExecutor() as pool:
-                vacancies_vectors = pool.map(embed_features, [vacancy_features.model_dump() for vacancy_features in vacancies_features])
-
-            for row, vacancy_features, vacancy_vectors in zip(rows, vacancies_features, vacancies_vectors):
+        batches = list(batched(result_rows, settings.COLLECT_VACANCIES_BATCH_SIZE))
+        for index, rows in enumerate(batches):
+            prompts = [f"{prompts.STRUCTURED_OUTPUT_PROMPT} {row[3]}" for row in rows]
+            responses = structured_llm.batch(prompts)
+            vacancies = []
+            for row, response in zip(rows, responses):
                 (id, chat_username, telegram_id, message, timestamp) = row
-                link = f"https://t.me/{chat_username}/{telegram_id}"
-                payload = {'content': message, 'features_json': vacancy_features.model_dump(), "link": link, "timestamp": timestamp}
-                add_vectors("vacancies", id, vacancy_features.model_dump(), payload, vacancy_vectors)
+                vacancies.append(Vacancy(
+                    external_id=id,
+                    job_title_id=job_title_map[response.job_title],
+                    min_salary_rub=response.min_salary_rub,
+                    max_salary_rub=response.max_salary_rub,
+                    company_name=response.company_name,
+                    requirements=response.requirements,
+                    content=message,
+                    timestamp=timezone.make_aware(timestamp),
+                    link=f"https://t.me/{chat_username}/{telegram_id}",
+                ))
+            Vacancy.objects.bulk_create(vacancies, ignore_conflicts=True)
+            print(f"Processed {index+1}/{len(batches)}")

vacancies/main/management/commands/generate_recommended_vacancies.py

@@ -1,11 +1,12 @@
 import asyncio
 
 from django.core.management import BaseCommand
-from vacancies.main.models import CustomerCV
-from vacancies.main.bot import application
-from vacancies.main.vector_store import get_next_vacancy
 from telegram import InlineKeyboardButton, InlineKeyboardMarkup
 
+from vacancies.main.bot import application
+from vacancies.main.models import CustomerCV
+from vacancies.main.recommendations import get_next_vacancy
+
 
 class Command(BaseCommand):
     help = "Generates new recommended vacancies"
@@ -15,16 +16,12 @@ class Command(BaseCommand):
 
     async def ahandle(self, *args, **options):
         for customer_cv in CustomerCV.objects.all():
-            result = get_next_vacancy(customer_cv)
-            if not result:
-                continue
-
-            recommendation, vacancy_content, link = result
-
+            if vacancy := get_next_vacancy(customer_cv):
                 await application.bot.send_message(
-                chat_id=recommendation.customer.chat_id,
-                text=vacancy_content,
+                    chat_id=customer_cv.customer.chat_id,
+                    text=vacancy.get_formatted_response(),
+                    parse_mode="Markdown",
                     reply_markup=InlineKeyboardMarkup([[
-                    InlineKeyboardButton("Откликнуться", url=link),
+                        InlineKeyboardButton("Откликнуться", url=vacancy.link),
                     ]]),
                 )

vacancies/main/management/commands/sync_clickhouse_and_qdrant.py

@@ -0,0 +1,48 @@
+import clickhouse_connect
+from django.conf import settings
+from django.core.management import BaseCommand
+from qdrant_client import QdrantClient
+from qdrant_client.models import VectorParams, Distance, PointStruct
+from openai import OpenAI
+from itertools import batched
+
+query = """
+SELECT DISTINCT ON (message) id, message
+FROM telegram_parser_chatmessage
+WHERE timestamp >= now() - INTERVAL 30 DAYS AND length(message) > 200
+AND position(message, '?') = 0 AND position(message, 'spam') = 0
+ORDER BY timestamp ASC
+"""
+
+
+class Command(BaseCommand):
+    help = "Sync clickhouse and qdrant"
+
+    def handle(self, *args, **options):
+        clickhouse_client = clickhouse_connect.create_client(host=settings.CLICKHOUSE_HOST, port=settings.CLICKHOUSE_PORT)
+
+        qdrant_client = QdrantClient(url=settings.QDRANT_URL)
+        if not qdrant_client.collection_exists("messages"):
+            qdrant_client.create_collection(
+                collection_name="messages",
+                vectors_config=VectorParams(size=4096, distance=Distance.COSINE),
+            )
+
+        openai_client = OpenAI(base_url="https://openrouter.ai/api/v1")
+
+        result_rows = clickhouse_client.query(query).result_rows
+        batches = list(batched(result_rows, 100))
+        batches_quantity = len(batches)
+        for index, batch in enumerate(batches):
+            ids, messages = list(zip(*batch))
+            embedding = openai_client.embeddings.create(model="qwen/qwen3-embedding-8b", input=messages, encoding_format="float")
+            embeddings = [row.embedding for row in embedding.data]
+
+            qdrant_client.upsert(
+                collection_name="messages",
+                points=[
+                    PointStruct(id=idx, vector=vector, payload={"message": message})
+                    for idx, message, vector in zip(ids, messages, embeddings)
+                ]
+            )
+            print(f"{index+1}/{batches_quantity} processed")

vacancies/main/migrations/0009_jobtitle_customercv_max_salary_rub_and_more.py

@@ -0,0 +1,55 @@
+# Generated by Django 5.2.7 on 2025-11-08 19:11
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('main', '0008_alter_recommendedvacancy_vacancy_id'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='JobTitle',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=255, unique=True)),
+            ],
+        ),
+        migrations.AddField(
+            model_name='customercv',
+            name='max_salary_rub',
+            field=models.PositiveIntegerField(blank=True, default=None, null=True),
+        ),
+        migrations.AddField(
+            model_name='customercv',
+            name='min_salary_rub',
+            field=models.PositiveIntegerField(blank=True, default=None, null=True),
+        ),
+        migrations.AddField(
+            model_name='customercv',
+            name='job_title',
+            field=models.ForeignKey(default=0, on_delete=django.db.models.deletion.CASCADE, to='main.jobtitle'),
+            preserve_default=False,
+        ),
+        migrations.CreateModel(
+            name='Vacancy',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('external_id', models.CharField(max_length=255, unique=True)),
+                ('min_salary_rub', models.PositiveIntegerField(blank=True, default=None, null=True)),
+                ('max_salary_rub', models.PositiveIntegerField(blank=True, default=None, null=True)),
+                ('content', models.TextField()),
+                ('timestamp', models.DateTimeField()),
+                ('link', models.URLField()),
+                ('job_title', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='main.jobtitle')),
+            ],
+        ),
+        migrations.AlterField(
+            model_name='recommendedvacancy',
+            name='vacancy_id',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='main.vacancy'),
+        ),
+    ]

vacancies/main/migrations/0010_rename_vacancy_id_recommendedvacancy_vacancy.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2025-11-09 08:06
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('main', '0009_jobtitle_customercv_max_salary_rub_and_more'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='recommendedvacancy',
+            old_name='vacancy_id',
+            new_name='vacancy',
+        ),
+    ]

vacancies/main/migrations/0011_remove_customercv_job_title_customercv_job_titles_and_more.py

@@ -0,0 +1,33 @@
+# Generated by Django 5.2.7 on 2025-11-09 09:35
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('main', '0010_rename_vacancy_id_recommendedvacancy_vacancy'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='customercv',
+            name='job_title',
+        ),
+        migrations.AddField(
+            model_name='customercv',
+            name='job_titles',
+            field=models.ManyToManyField(related_name='vacancies', to='main.jobtitle'),
+        ),
+        migrations.AlterField(
+            model_name='recommendedvacancy',
+            name='customer',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='recommended_vacancies', to='main.customer'),
+        ),
+        migrations.AlterField(
+            model_name='recommendedvacancy',
+            name='vacancy',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='recommended_vacancies', to='main.vacancy'),
+        ),
+    ]

vacancies/main/migrations/0012_vacancy_company_name_vacancy_requirements.py

@@ -0,0 +1,25 @@
+# Generated by Django 5.2.7 on 2025-11-09 19:56
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('main', '0011_remove_customercv_job_title_customercv_job_titles_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='vacancy',
+            name='company_name',
+            field=models.CharField(default='test', max_length=255),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='vacancy',
+            name='requirements',
+            field=models.TextField(default='test'),
+            preserve_default=False,
+        ),
+    ]

vacancies/main/migrations/0013_alter_vacancy_options.py

@@ -0,0 +1,17 @@
+# Generated by Django 5.2.7 on 2025-11-30 11:32
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('main', '0012_vacancy_company_name_vacancy_requirements'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='vacancy',
+            options={'verbose_name_plural': 'Vacancies'},
+        ),
+    ]

vacancies/main/models.py

@@ -1,5 +1,4 @@
 from django.db import models
-from pydantic import BaseModel
 
 
 class Customer(models.Model):
@@ -17,8 +16,18 @@ class Customer(models.Model):
         db_table = "customers"
 
 
+class JobTitle(models.Model):
+    title = models.CharField(max_length=255, unique=True)
+
+    def __str__(self):
+        return self.title
+
+
 class CustomerCV(models.Model):
     customer = models.OneToOneField(Customer, on_delete=models.CASCADE)
+    job_titles = models.ManyToManyField(JobTitle, related_name="vacancies")
+    min_salary_rub = models.PositiveIntegerField(null=True, blank=True, default=None)
+    max_salary_rub = models.PositiveIntegerField(null=True, blank=True, default=None)
     content = models.TextField()
     created_at = models.DateTimeField(auto_now_add=True)
 
@@ -31,9 +40,43 @@ class CustomerCV(models.Model):
         db_table = "customer_vcs"
 
 
+class Vacancy(models.Model):
+    job_title = models.ForeignKey(JobTitle, on_delete=models.CASCADE)
+    external_id = models.CharField(max_length=255, unique=True)
+    min_salary_rub = models.PositiveIntegerField(null=True, blank=True, default=None)
+    max_salary_rub = models.PositiveIntegerField(null=True, blank=True, default=None)
+    company_name = models.CharField(max_length=255)
+    requirements = models.TextField()
+    content = models.TextField()
+    timestamp = models.DateTimeField()
+    link = models.URLField()
+
+    def __str__(self):
+        return self.job_title.title
+
+    def get_formatted_response(self):
+        response = f"""
+        💼 **Вакансия**: {self.job_title}
+        \n🏢 **Компания**: {self.company_name}
+        \n📝 **Требования**: {self.requirements}
+        """
+        if self.min_salary_rub:
+            if self.max_salary_rub:
+                response += f"\n💸 **ЗП**: от {self.min_salary_rub} т.р."
+            else:
+                response += f"\n💸 **ЗП**: {self.min_salary_rub} т.р. - {self.max_salary_rub} т.р."
+        elif self.max_salary_rub:
+            response += f"\n💸 **ЗП**: до {self.max_salary_rub} т.р."
+
+        return response
+
+    class Meta:
+        verbose_name_plural = 'Vacancies'
+
+
 class RecommendedVacancy(models.Model):
-    customer = models.ForeignKey(Customer, on_delete=models.CASCADE)
-    vacancy_id = models.BigIntegerField()
+    customer = models.ForeignKey(Customer, on_delete=models.CASCADE, related_name="recommended_vacancies")
+    vacancy = models.ForeignKey(Vacancy, on_delete=models.CASCADE, related_name="recommended_vacancies")
     created_at = models.DateTimeField(auto_now_add=True)
 
     objects = models.Manager()
@@ -44,19 +87,3 @@ class RecommendedVacancy(models.Model):
     class Meta:
         verbose_name_plural = 'Recommended Vacancies'
         db_table = "recommended_vacancies"
-
-
-class VacancyFeatures(BaseModel):
-    job_title: str | None = None # Должность
-    employment_type: str | None = None  # Тип занятости
-    work_format: str | None = None  # Формат работы
-    experience: str | None = None  # Опыт работы
-    position_level: str | None = None  # Уровень позиции
-    industry: str | None = None  # Отрасль / Сфера деятельности
-    tech_stack: list[str] | None = None  # Технологический стек / Ключевые навыки
-    location: str | None = None  # География
-    salary_range: str | None = None  # Зарплатные ожидания / вилка
-    languages: list[str] | None = None  # Языки
-    education: str | None = None  # Образование
-    schedule: str | None = None  # График работы
-    additional_requirements: list[str] | None = None  # Дополнительные предпочтения / требования

vacancies/main/prompts.py

@@ -0,0 +1,68 @@
+BOT_SYSTEM_PROMPT = """
+Ты — IT Career Copilot, высококвалифицированный HR-советчик и эксперт по рынку труда в ИТ. Твоя главная задача — предоставлять пользователю практические и стратегические рекомендации по любым вопросам, связанным с карьерой в технологической сфере (поиск работы, развитие навыков, переговоры по зарплате, адаптация, увольнение).
+
+Твой стиль общения: Фокус на действии (Action-Oriented): Отвечай максимально конкретно и применимо, предлагая шаги, которые пользователь может предпринять немедленно.
+
+Консультация: Используй инсайты и данные о текущих трендах ИТ-рынка.
+
+Краткость: Пиши лаконично, не более 4-5 содержательных пунктов или предложений. Используй маркированные списки (буллеты) для структурирования информации.
+
+Формат: Отвечай простым текстом, не используя форматирование Markdown (заголовки, жирный шрифт, курсив, кодблоки).
+
+Использование данных: У тебя есть дополнительный доступ к резюме пользователя (или фрагментам его карьерной истории) для персонализации ответов, а также ты можешь обратиться к базе данных с релевантными сообщениями, если тебе требуются дополнительные данные, например реальные данные о зарплатах или мнения людей.
+
+Завершение: После ответа обязательно предложи один-два релевантных следующих шага, чтобы продолжить карьерное планирование.
+"""
+
+
+STRUCTURED_OUTPUT_PROMPT = """
+You are an HR specialist. Your task is to review vacansies and independently select a suitable topic (e.g., DevSecOps, Java Developer, Information Security Specialist, etc.). 
+You also need to analyze vacansies and structure the information from them according to the scheme.
+
+You don't need to change or invent anything in the job posting below. You only need to structure the information provided.
+Example vacancy:
+'Network Security Team lead - Infrastructure Security, Wildberries 💜
+
+ЗП: до 500 000 рублей net
+Уровень: Lead
+Формат работы: удалёнка или гибрид
+
+🚀 Вместе с масштабным развитием IT направления Wildberries и Russ развивает информационную безопасность. Мы решаем сложные и разнообразные задачи: от повышения защищенности каждого сервиса до развития безопасности в рамках всей нашей инфраструктуры.
+
+Мы ищем эксперта, который вместе с командой займется разработкой сложных технических решений и внедрением практик безопасности для повышения защищенности нашей сетевой инфраструктуры.
+
+📝 Основные задачи:
+• Составление проектных планов и управление командой
+• Взаимодействие с сетевыми командами для сбора потребностей и согласования технических решений
+• Построение плана развития безопасности сетевой инфраструктуры
+• Внедрение практик ИБ и контроль состояния защищенности внешнего и внутреннего сетевого периметра
+• Разработка и внедрение мер по повышению прозрачности и контролируемости сетевых доступов в компании
+
+💫 Необходимый опыт и навыки:
+• Опыт в организации командной работы
+• Опыт в построении сложных кросс-командных процессов
+• Умение разрабатывать комплексные решения по безопасности для серверной инфраструктуры на базе Linux
+• Хорошее знание сетевых технологий
+• Опыт решения проблем ИБ в сетевой инфраструктуре
+• Знание сетевых атак и способов защиты от них
+• Опыт работы с NGFW
+
+🔥 Что мы предлагаем:
+• Полная удаленка или свободное посещение офисов в Москве и Санкт-Петербурге
+• IT-ипотека и оформление в аккредитованную IT-компанию  
+• Бесплатное питание в офисах, ДМС со стоматологией (после испытательного срока)  
+• Оплачиваемые Day Off, корпоративное обучение и IT-мероприятия
+
+💘 Контакты: @Alens_HR'
+
+Structured output of the example vacansy:
+{
+    job_title: "Network Security Team lead - Infrastructure Security",
+    company_name: "Wildberries",
+    min_salary_rub: None,
+    max_salary_rub: 500000,
+    requirements: "Опыт в организации командной работы. Опыт в построении сложных кросс-командных процессов. Умение разрабатывать комплексные решения по безопасности для серверной инфраструктуры на базе Linux, Хорошее знание сетевых технологий. Опыт решения проблем ИБ в сетевой инфраструктуре. Знание сетевых атак и способов защиты от них. Опыт работы с NGFW]
+}
+
+Vacancy:
+"""

vacancies/main/recommendations.py

@@ -0,0 +1,17 @@
+from django.db.models import Q
+
+from vacancies.main.models import Vacancy
+
+
+def get_next_vacancy(customer_cv):
+    vacancy = Vacancy.objects.filter(
+        ~Q(id__in=customer_cv.customer.recommended_vacancies.values_list("vacancy_id", flat=True)),
+        job_title__title__in=customer_cv.job_titles.values_list("title", flat=True),
+    ).filter(
+        (Q(min_salary_rub__isnull=True) | Q(min_salary_rub__gt=customer_cv.min_salary_rub)) |
+        (Q(max_salary_rub__isnull=False) & Q(max_salary_rub__gte=customer_cv.min_salary_rub)),
+    ).order_by("-timestamp").first()
+    if vacancy:
+        customer_cv.customer.recommended_vacancies.create(vacancy=vacancy)
+
+    return vacancy

vacancies/main/vector_store.py

@@ -1,171 +0,0 @@
-from langchain_openai import ChatOpenAI, OpenAIEmbeddings
-from qdrant_client import QdrantClient, models
-from qdrant_client.models import Filter, HasIdCondition
-
-from vacancies.conf.settings import QDRANT_URL
-from vacancies.main.models import RecommendedVacancy, VacancyFeatures
-
-qdrant_client = QdrantClient(url=QDRANT_URL)
-
-FEATURE_NAMES = [
-    "job_title", "employment_type", "work_format", "experience", "position_level", "industry", "tech_stack",
-    "location", "salary_range", "languages", "education", "schedule", "additional_requirements"
-]
-
-weights = {
-    "job_title": 70,
-    "tech_stack": 10,
-    "salary_range": 10,
-}
-
-vectors_config = {
-    name: models.VectorParams(size=3072, distance=models.Distance.COSINE) for name in FEATURE_NAMES
-}
-
-if not qdrant_client.collection_exists("vacancies"):
-    qdrant_client.create_collection(
-        collection_name="vacancies",
-        vectors_config=vectors_config,
-    )
-    qdrant_client.create_payload_index(
-        collection_name="vacancies",
-        field_name="timestamp",
-        field_schema="datetime",
-    )
-if not qdrant_client.collection_exists("cvs"):
-    qdrant_client.create_collection(
-        collection_name="cvs",
-        vectors_config=vectors_config,
-    )
-
-embedding = OpenAIEmbeddings(model="text-embedding-3-large")
-
-def _prepare_texts(features):
-    texts = {}
-    for name in FEATURE_NAMES:
-        value = features.get(name)
-        if isinstance(value, list):
-            text = " ".join(value) if value else ""
-        else:
-            text = str(value) if value else ""
-        texts[name] = text
-    return texts
-
-
-def embed_features(features):
-    features = {key: value for key, value in features.items() if value}
-    features_texts = _prepare_texts(features)
-    names, texts = features_texts.keys(), features_texts.values()
-    vectors = dict(zip(names, embedding.embed_documents(texts)))
-    return vectors
-
-
-def add_vectors(collection_name: str, _id: int, features: dict, payload: dict, vectors):
-    max_similarities = {}
-    for name, vec in vectors.items():
-        results = qdrant_client.query_points(collection_name="vacancies", query=vec, using=name, limit=100)
-        for res in results.points:
-            max_similarities.setdefault(res.id, {})
-            max_similarities[res.id][name] = res.score
-
-    scored = []
-    for vid, feature_sims in max_similarities.items():
-        total = sum(feature_sims[feature] * weights.get(feature, 1) for feature in feature_sims)
-        scored.append({"id": vid, "score": total})
-
-    scored.sort(key=lambda x: x["score"], reverse=True)
-    if scored and scored[0]["score"] > 80:  # threshold
-        return
-
-    qdrant_client.upsert(
-        collection_name=collection_name,
-        points=[models.PointStruct(id=_id, vector=vectors, payload=payload)]
-    )
-
-
-def search_similarities(query_filter: Filter, cv_id: int):
-    cv = qdrant_client.retrieve(collection_name="cvs", ids=[cv_id], with_vectors=True)[0]
-
-    max_similarities, vacancies_content = {}, {}
-    for name, vec in cv.vector.items():
-        results = qdrant_client.query_points(
-            collection_name="vacancies",
-            query=vec,
-            using=name,
-            limit=100000,
-            with_payload=True,
-            query_filter=query_filter,
-        )
-        for res in results.points:
-            max_similarities.setdefault(res.id, {})
-            vacancies_content.setdefault(res.id, {})
-
-            max_similarities[res.id][name] = res.score
-            vacancies_content[res.id]["content"] = res.payload["content"]
-            vacancies_content[res.id]["features_json"] = res.payload["features_json"]
-            vacancies_content[res.id]["link"] = res.payload["link"]
-
-    scored = []
-    for vid, feature_sims in max_similarities.items():
-        total = sum(feature_sims[feature] * weights.get(feature, 1) for feature in feature_sims)
-        scored.append({
-            "id": vid,
-            "score": total,
-            "content": vacancies_content[vid]["content"],
-            "features_json": vacancies_content[vid]["features_json"],
-            "link": vacancies_content[vid]["link"],
-            "sims": feature_sims,
-        })
-
-    scored.sort(key=lambda x: x["score"], reverse=True)
-
-    return scored[0]["id"], scored[0]["content"], scored[0]["link"]
-
-
-def batch_extract_features(contents: list[str]) -> list[VacancyFeatures]:
-    prompts = [
-    f"""
-    Extract the following features from the job vacancy description. If a feature is not mentioned, set it to null.
-    Features:
-    - job_title: Должность (e.g., DevOps, Python программист)
-    - employment_type: Тип занятости (e.g., Полная занятость, Частичная)
-    - work_format: Формат работы (e.g., Офис, Удалённо, Гибрид)
-    - experience: Опыт работы (e.g., 3-5 лет, Нет опыта)
-    - position_level: Уровень позиции (e.g., Junior, Senior)
-    - industry: Отрасль / Сфера деятельности (e.g., IT, Финансы)
-    - tech_stack: Технологический стек / Ключевые навыки (list of strings)
-    - location: География (e.g., Москва, Россия)
-    - salary_range: Зарплатные ожидания / вилка (e.g., 100000-200000 руб)
-    - languages: Языки (list of strings, e.g., ["Русский", "Английский"])
-    - education: Образование (e.g., Высшее, Среднее специальное)
-    - schedule: График работы (e.g., Полный день, Сменный)
-    - additional_requirements: Дополнительные предпочтения / требования (list of strings)
-    Vacancy content:
-    {content}
-    """
-    for content in contents
-    ]
-    openai_client = ChatOpenAI(model_name="gpt-5-mini", reasoning_effort="minimal", temperature=0, seed=42, top_p=1)
-    structured_llm = openai_client.with_structured_output(VacancyFeatures)
-    response = structured_llm.batch(prompts)
-    return response
-
-
-def get_next_vacancy(customer_cv):
-    recommended_vacancy_ids = RecommendedVacancy.objects.filter(
-        customer=customer_cv.customer,
-    ).values_list('vacancy_id', flat=True)
-
-    query_filter = Filter(must_not=[HasIdCondition(has_id=recommended_vacancy_ids)])
-    result = search_similarities(query_filter, customer_cv.id)
-    if not result:
-        return None
-
-    search_result_id, vacancy_content, link = result
-
-    recommendation = RecommendedVacancy.objects.create(
-        customer=customer_cv.customer,
-        vacancy_id=search_result_id,
-    )
-
-    return recommendation, vacancy_content, link