Add external database with parser vacancies

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 +1,14 @@
+from django.contrib import admin
+from vacancies.hh_parser import models
+
+
+@admin.register(models.Vacancy)
+class VacancyAdmin(admin.ModelAdmin):
+    def has_add_permission(self, request):
+        return False
+    
+    def has_change_permission(self, request, obj=None):
+        return False
+    
+    def has_delete_permission(self, request, obj=None):
+        return False

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 +1,31 @@
+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)
+    processed = models.BooleanField()
+    source = models.CharField()
+
+    objects = models.Manager()
+
+    def __str__(self):
+        return f'{self.source} -> {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