Implement certificate metadata issuance system

backend/apps/github/models/generic_issue_model.py

@@ -23,6 +23,11 @@ class IssueState(models.TextChoices):
         OPEN = "open", "Open"
         CLOSED = "closed", "Closed"
 
+    class StateReason(models.TextChoices):
+        """Issue state reason choices."""
+
+        COMPLETED = "completed", "Completed"
+
     title = models.CharField(verbose_name="Title", max_length=1000)
     body = models.TextField(verbose_name="Body", default="")
 

backend/apps/owasp/Makefile

@@ -92,3 +92,7 @@ owasp-update-events:
 owasp-update-sponsors:
 	@echo "Getting OWASP sponsors data"
 	@CMD="python manage.py owasp_update_sponsors" $(MAKE) exec-backend-command
+
+owasp-crp-recognition-recalculate-scores:
+	@echo "Recalculating contributor scores"
+	@CMD="python manage.py owasp_crp_recognition_recalculate_scores" $(MAKE) exec-backend-command

backend/apps/owasp/admin/certificate.py

@@ -2,7 +2,7 @@
 
 from django.contrib import admin
 
-from apps.owasp.models.certificate import Certificate
+from apps.owasp.models.crp.certificate import Certificate
 
 
 @admin.register(Certificate)

backend/apps/owasp/admin/contribution_score.py

@@ -1,8 +1,13 @@
 """Django admin configuration for ContributionScore model."""
 
+import logging
+
 from django.contrib import admin
 
-from apps.owasp.models.contribution_score import ContributionScore
+from apps.owasp.models.crp.contribution_score import ContributionScore
+from apps.owasp.score_calculator import ContributionScoreCalculator
+
+logger: logging.Logger = logging.getLogger(__name__)
 
 
 @admin.register(ContributionScore)
@@ -14,6 +19,7 @@ class ContributionScoreAdmin(admin.ModelAdmin):
     list_filter = ("tier", "nest_created_at")
     search_fields = ("github_user__login", "github_user__name")
     readonly_fields = ("nest_created_at", "nest_updated_at")
+    actions = ("recalculate",)
 
     fieldsets = (
         (
@@ -36,3 +42,28 @@ class ContributionScoreAdmin(admin.ModelAdmin):
             },
         ),
     )
+
+    def recalculate(self, request, queryset):
+        """Admin action to recalculate scores for selected users."""
+        calculator = ContributionScoreCalculator()
+        updated_count = 0
+        failed_count = 0
+
+        for score in queryset:
+            try:
+                calculator.recalculate_user(score.github_user)
+                updated_count += 1
+            except Exception:
+                logger.exception(
+                    "Failed to recalculate score for user %s",
+                    score.github_user.login,
+                )
+                failed_count += 1
+
+        self.message_user(
+            request,
+            f"Recalculated scores for {updated_count} contributor(s). "
+            f"Failed for {failed_count} contributor(s).",
+        )
+
+    recalculate.short_description = "Recalculate selected contributors' scores"

backend/apps/owasp/admin/leaderboard_snapshot.py

@@ -2,7 +2,7 @@
 
 from django.contrib import admin
 
-from apps.owasp.models.leaderboard_snapshot import LeaderboardSnapshot
+from apps.owasp.models.crp.leaderboard_snapshot import LeaderboardSnapshot
 
 
 @admin.register(LeaderboardSnapshot)

backend/apps/owasp/admin/scoring_weight.py

@@ -2,7 +2,7 @@
 
 from django.contrib import admin
 
-from apps.owasp.models.scoring_weight import ScoringWeight
+from apps.owasp.models.crp.scoring_weight import ScoringWeight
 
 
 @admin.register(ScoringWeight)

backend/apps/owasp/exceptions.py

@@ -3,3 +3,7 @@
 
 class SnapshotProcessingError(Exception):
     """Exception raised for errors in snapshot processing."""
+
+
+class CertificateIssuanceError(Exception):
+    """Exception raised for errors in certificate issuance."""

backend/apps/owasp/management/commands/owasp_crp_recognition_recalculate_scores.py

@@ -0,0 +1,27 @@
+"""Command to recalculate contributor scores."""
+
+from django.core.management.base import BaseCommand
+
+from apps.owasp.score_calculator import ContributionScoreCalculator
+
+
+class Command(BaseCommand):
+    """Management command for recalculating contributor scores."""
+
+    help = "Recalculate contributor scores and tier assignments."
+
+    def handle(self, *args, **options) -> None:
+        """Handle the command execution."""
+        self.stdout.write("Starting score recalculation for all users...")
+
+        calculator = ContributionScoreCalculator()
+        result = calculator.recalculate_all()
+
+        self.stdout.write(
+            self.style.SUCCESS(
+                f"Score recalculation complete:\n"
+                f"  - Total users: {result['total']}\n"
+                f"  - Created: {result['created']}\n"
+                f"  - Updated: {result['updated']}"
+            )
+        )

backend/apps/owasp/migrations/0074_alter_certificate_table_and_more.py

@@ -0,0 +1,28 @@
+# Generated by Django 6.0.3 on 2026-06-12 16:25
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("owasp", "0073_scoringweight_certificate_contributionscore_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterModelTable(
+            name="certificate",
+            table="owasp_crp_recognition_certificates",
+        ),
+        migrations.AlterModelTable(
+            name="contributionscore",
+            table="owasp_crp_recognition_contribution_scores",
+        ),
+        migrations.AlterModelTable(
+            name="leaderboardsnapshot",
+            table="owasp_crp_recognition_leaderboard_snapshots",
+        ),
+        migrations.AlterModelTable(
+            name="scoringweight",
+            table="owasp_crp_recognition_scoring_weights",
+        ),
+    ]

backend/apps/owasp/models/__init__.py

@@ -1,19 +1,19 @@
 from .board_of_directors import BoardOfDirectors
-from .certificate import Certificate
 from .chapter import Chapter
 from .committee import Committee
-from .contribution_score import ContributionScore
+from .crp.certificate import Certificate
+from .crp.contribution_score import ContributionScore
+from .crp.leaderboard_snapshot import LeaderboardSnapshot
+from .crp.recognition_enums import EventTypeChoices, TierChoices
+from .crp.scoring_weight import ScoringWeight
 from .entity_channel import EntityChannel
 from .entity_member import EntityMember
 from .event import Event
-from .leaderboard_snapshot import LeaderboardSnapshot
 from .member_profile import MemberProfile
 from .member_snapshot import MemberSnapshot
 from .post import Post
 from .project import Project
 from .project_health_metrics import ProjectHealthMetrics
 from .project_health_requirements import ProjectHealthRequirements
-from .recognition_enums import EventTypeChoices, TierChoices
-from .scoring_weight import ScoringWeight
 from .snapshot import Snapshot
 from .sponsor import Sponsor

backend/apps/owasp/models/certificate.py → backend/apps/owasp/models/crp/certificate.py

@@ -9,7 +9,7 @@
 
 from apps.common.models import TimestampedModel
 from apps.github.models.user import User
-from apps.owasp.models.recognition_enums import TierChoices
+from apps.owasp.models.crp.recognition_enums import TierChoices
 
 
 class Certificate(TimestampedModel):
@@ -22,7 +22,7 @@ class Certificate(TimestampedModel):
     class Meta:
         """Model options."""
 
-        db_table = "recognition_certificates"
+        db_table = "owasp_crp_recognition_certificates"
         verbose_name_plural = "Certificates"
         indexes = [
             models.Index(fields=["-issued_at"], name="cert_issued_at_desc"),

backend/apps/owasp/models/contribution_score.py → backend/apps/owasp/models/crp/contribution_score.py

@@ -6,7 +6,7 @@
 
 from apps.common.models import TimestampedModel
 from apps.github.models.user import User
-from apps.owasp.models.recognition_enums import TierChoices
+from apps.owasp.models.crp.recognition_enums import TierChoices
 
 
 class ContributionScore(TimestampedModel):
@@ -18,7 +18,7 @@ class ContributionScore(TimestampedModel):
     class Meta:
         """Model options."""
 
-        db_table = "recognition_contribution_scores"
+        db_table = "owasp_crp_recognition_contribution_scores"
         verbose_name_plural = "Contribution Scores"
         indexes = [
             models.Index(fields=["-value"], name="score_total_desc_idx"),

backend/apps/owasp/models/leaderboard_snapshot.py → backend/apps/owasp/models/crp/leaderboard_snapshot.py

@@ -8,8 +8,8 @@
 from apps.common.models import TimestampedModel
 from apps.github.models.user import User
 from apps.owasp.models.chapter import Chapter
+from apps.owasp.models.crp.recognition_enums import TierChoices
 from apps.owasp.models.project import Project
-from apps.owasp.models.recognition_enums import TierChoices
 
 
 class LeaderboardSnapshot(TimestampedModel):
@@ -21,7 +21,7 @@ class LeaderboardSnapshot(TimestampedModel):
     class Meta:
         """Model options."""
 
-        db_table = "recognition_leaderboard_snapshots"
+        db_table = "owasp_crp_recognition_leaderboard_snapshots"
         verbose_name_plural = "Leaderboard Snapshots"
         unique_together = ("github_user", "project", "chapter", "snapshot_date")
         indexes = [

backend/apps/owasp/models/scoring_weight.py → backend/apps/owasp/models/crp/scoring_weight.py

@@ -6,7 +6,7 @@
 from django.db import models
 
 from apps.common.models import TimestampedModel
-from apps.owasp.models.recognition_enums import EventTypeChoices
+from apps.owasp.models.crp.recognition_enums import EventTypeChoices
 
 
 class ScoringWeight(TimestampedModel):
@@ -18,7 +18,7 @@ class ScoringWeight(TimestampedModel):
     class Meta:
         """Model options."""
 
-        db_table = "recognition_scoring_weights"
+        db_table = "owasp_crp_recognition_scoring_weights"
         verbose_name_plural = "Scoring Weights"
 
     event_type = models.CharField(