hidden user score

users/admin.py

@@ -102,6 +102,8 @@ class CustomUserAdmin(admin.ModelAdmin):
         "city",
     )
 
+    readonly_fields = ("ordering_score",)
+
     def save_model(self, request, obj, form, change):
         # if user_type changed, then delete all related fields
         if change:

users/apps.py

@@ -5,3 +5,6 @@ class UsersConfig(AppConfig):
     default_auto_field = "django.db.models.BigAutoField"
     name = "users"
     verbose_name = "Пользователи"
+
+    def ready(self):
+        import users.signals  # noqa: F401

users/migrations/0037_alter_customuser_options_customuser_ordering_score.py

@@ -0,0 +1,35 @@
+# Generated by Django 4.1.3 on 2023-07-03 20:59
+
+from django.db import migrations, models
+
+
+def set_up_ordering_score(apps, schema_editor):
+    CustomUser = apps.get_model("users", "CustomUser")
+
+    for user in CustomUser.objects.all():
+        user.ordering_score = user.calculate_ordering_score()
+        user.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("users", "0036_userlink"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="customuser",
+            name="ordering_score",
+            field=models.PositiveIntegerField(default=0, editable=False),
+        ),
+        migrations.AlterModelOptions(
+            name="customuser",
+            options={
+                "ordering": ["-ordering_score"],
+                "verbose_name": "Пользователь",
+                "verbose_name_plural": "Пользователи",
+            },
+        ),
+        migrations.RunPython(set_up_ordering_score)
+    ]

users/models.py

@@ -1,7 +1,5 @@
 from django.contrib.auth.models import AbstractUser
 from django.db import models
-from django.db.models.signals import post_save
-from django.dispatch import receiver
 
 from users.constants import (
     ADMIN,
@@ -69,6 +67,10 @@ class CustomUser(AbstractUser):
         default=get_default_user_type,
     )
 
+    ordering_score = models.PositiveIntegerField(
+        default=0,
+        editable=False,
+    )
     patronymic = models.CharField(max_length=255, null=True, blank=True)
     key_skills = models.CharField(max_length=512, null=True, blank=True)
     avatar = models.URLField(null=True, blank=True)
@@ -105,6 +107,30 @@ class CustomUser(AbstractUser):
 
     objects = CustomUserManager()
 
+    def calculate_ordering_score(self) -> int:
+        """
+        Calculate ordering score of the user, e.g. how full their profile is.
+
+        Returns:
+            int: ordering score of the user.
+        """
+        score = 0
+        if self.avatar:
+            score += 10
+        if self.key_skills:
+            score += 7
+        if self.about_me:
+            score += 6
+        if self.region:
+            score += 4
+        if self.city:
+            score += 4
+        if self.organization:
+            score += 6
+        if self.speciality:
+            score += 7
+        return score
+
     def get_project_chats(self) -> list:
         collaborations = self.collaborations.all()
         projects = []
@@ -124,6 +150,9 @@ def __str__(self) -> str:
     class Meta:
         verbose_name = "Пользователь"
         verbose_name_plural = "Пользователи"
+        # order by count of fields inputted, like avatar, key_skills, about_me, etc.
+        # first show users with all fields inputted, then with 1 field inputted, etc.
+        ordering = ["-ordering_score"]
 
 
 class UserAchievement(models.Model):
@@ -311,19 +340,6 @@ def __str__(self):
         return f"Investor<{self.id}> - {self.user.first_name} {self.user.last_name}"
 
 
-@receiver(post_save, sender=CustomUser)
-def create_or_update_user_types(sender, instance, created, **kwargs):
-    if created:
-        if instance.user_type == CustomUser.MEMBER:
-            Member.objects.create(user=instance)
-        elif instance.user_type == CustomUser.MENTOR:
-            Mentor.objects.create(user=instance)
-        elif instance.user_type == CustomUser.EXPERT:
-            Expert.objects.create(user=instance)
-        elif instance.user_type == CustomUser.INVESTOR:
-            Investor.objects.create(user=instance)
-
-
 class UserLink(models.Model):
     """
     UserLink model

users/signals.py

@@ -0,0 +1,22 @@
+from django.db.models.signals import post_save
+from django.dispatch import receiver
+
+from users.models import CustomUser, Member, Mentor, Expert, Investor
+
+
+@receiver(post_save, sender=CustomUser)
+def create_or_update_user_types(sender, instance, created, **kwargs):
+    if created:
+        if instance.user_type == CustomUser.MEMBER:
+            Member.objects.create(user=instance)
+        elif instance.user_type == CustomUser.MENTOR:
+            Mentor.objects.create(user=instance)
+        elif instance.user_type == CustomUser.EXPERT:
+            Expert.objects.create(user=instance)
+        elif instance.user_type == CustomUser.INVESTOR:
+            Investor.objects.create(user=instance)
+    # check that the change wasn't about ordering scores
+    current_ordering_score = instance.calculate_ordering_score()
+    if instance.ordering_score != current_ordering_score:
+        instance.ordering_score = current_ordering_score
+        instance.save()