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feat(transmitters): add TransmitterFeature model, relational features, and admin viewsets
feat(transmitters): add TransmitterFeature model, relational features, and admin viewsets
- Introduce TransmitterFeature model with title, slug, and timestamps - Link features relation to Transmitters and BookAuthors - Add DovodiTransmitterFeatureViewSet and register routes in admin router - Add migration 0060 to create table and populate from existing features data - Update RELATIONAL_MIGRATION_ROADMAP.md with completed features migrationmaster
7 changed files with 1399 additions and 1135 deletions
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36RELATIONAL_MIGRATION_ROADMAP.md
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112apps/hadis/migrations/0060_transmitter_feature_and_relations.py
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6apps/hadis/models/reference.py
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39apps/hadis/models/transmitter.py
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92apps/hadis/serializers/serializers_admin.py
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5apps/hadis/urls.py
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20apps/hadis/views_admin.py
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# Generated by Django 4.2.30 on 2026-10-20 14:18 |
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from django.db import migrations, models |
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from django.utils.text import slugify |
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def populate_features_from_existing_records(apps, schema_editor): |
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TransmitterFeature = apps.get_model('hadis', 'TransmitterFeature') |
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Transmitters = apps.get_model('hadis', 'Transmitters') |
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BookAuthor = apps.get_model('hadis', 'BookAuthor') |
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feature_by_text = {} |
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for f in TransmitterFeature.objects.all(): |
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if isinstance(f.title, list): |
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for entry in f.title: |
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if isinstance(entry, dict): |
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txt = (entry.get('text') or entry.get('title') or '').strip().lower() |
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if txt: |
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feature_by_text[txt] = f |
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def get_or_create_feature(json_list): |
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if not json_list or not isinstance(json_list, list): |
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return None |
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cleaned = [] |
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lookup_keys = [] |
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for entry in json_list: |
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if isinstance(entry, dict): |
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lang = (entry.get('language_code') or '').strip() |
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txt = (entry.get('text') or entry.get('title') or '').strip() |
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if lang and txt: |
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cleaned.append({'language_code': lang, 'text': txt, 'title': txt}) |
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lookup_keys.append(txt.lower()) |
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if not cleaned: |
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return None |
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for key in lookup_keys: |
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if key in feature_by_text: |
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existing = feature_by_text[key] |
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existing_langs = { |
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item.get('language_code'): item |
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for item in (existing.title or []) |
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if isinstance(item, dict) and item.get('language_code') |
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} |
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updated = False |
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for item in cleaned: |
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if item['language_code'] not in existing_langs: |
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existing_langs[item['language_code']] = item |
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updated = True |
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if updated: |
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existing.title = list(existing_langs.values()) |
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existing.save(update_fields=['title']) |
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for k in lookup_keys: |
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feature_by_text[k] = existing |
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return existing |
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first_text = cleaned[0]['text'] |
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slug_val = slugify(first_text, allow_unicode=True)[:240] or 'feature' |
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feat_obj = TransmitterFeature.objects.create(title=cleaned, slug=slug_val) |
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for k in lookup_keys: |
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feature_by_text[k] = feat_obj |
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return feat_obj |
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for tr in Transmitters.objects.all().iterator(): |
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if tr.features and isinstance(tr.features, list): |
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f_obj = get_or_create_feature(tr.features) |
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if f_obj: |
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tr.features_list.add(f_obj) |
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for author in BookAuthor.objects.all().iterator(): |
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if author.features and isinstance(author.features, list): |
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f_obj = get_or_create_feature(author.features) |
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if f_obj: |
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author.features_list.add(f_obj) |
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class Migration(migrations.Migration): |
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dependencies = [ |
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('hadis', '0059_kunya_and_relations'), |
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] |
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operations = [ |
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migrations.CreateModel( |
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name='TransmitterFeature', |
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fields=[ |
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('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), |
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('title', models.JSONField(default=list, verbose_name='Title')), |
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('slug', models.SlugField(allow_unicode=True, blank=True, max_length=255, null=True, verbose_name='slug')), |
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('created_at', models.DateTimeField(auto_now_add=True, verbose_name='created at')), |
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('updated_at', models.DateTimeField(auto_now=True, verbose_name='updated at')), |
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], |
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options={ |
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'verbose_name': 'Transmitter Feature', |
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'verbose_name_plural': 'Transmitter Features', |
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'ordering': ('-created_at', '-id'), |
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}, |
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), |
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migrations.AddField( |
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model_name='bookauthor', |
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name='features_list', |
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field=models.ManyToManyField(blank=True, related_name='authors', to='hadis.transmitterfeature', verbose_name='Features (M2M)'), |
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), |
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migrations.AddField( |
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model_name='transmitters', |
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name='features_list', |
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field=models.ManyToManyField(blank=True, related_name='transmitters', to='hadis.transmitterfeature', verbose_name='Features (M2M)'), |
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), |
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migrations.RunPython( |
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populate_features_from_existing_records, |
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reverse_code=migrations.RunPython.noop, |
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), |
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] |
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