add contract models and register this models admin panel

core/apps/contracts/admins/contract.py

@@ -0,0 +1,24 @@
+from django.contrib import admin
+
+from core.apps.contracts.models.contract import Contract, ContractFile, ContractNotification,ContractSide, ContractSignature
+
+
+@admin.register(Contract)
+class ContractAdmin(admin.ModelAdmin):
+    list_display = ['id', 'contract_number', 'name', 'face_id', 'attach_file', 'add_folder', 'add_notification']
+
+@admin.register(ContractSide)
+class ContractSideAdmin(admin.ModelAdmin):
+    list_display = ['id', 'full_name']
+
+@admin.register(ContractFile)
+class ContractFileAdmin(admin.ModelAdmin):
+    list_display = ['id', 'name']
+
+@admin.register(ContractNotification)
+class ContractNotificationAdmin(admin.ModelAdmin):
+    list_display = ['id', 'message', 'contract']
+
+@admin.register(ContractSignature)
+class ContractSignatureAdmin(admin.ModelAdmin):
+    list_display = ['id', 'user', 'contract', 'status']

core/apps/contracts/apps.py

@@ -4,3 +4,6 @@ from django.apps import AppConfig
 class ContractsConfig(AppConfig):
     default_auto_field = 'django.db.models.BigAutoField'
     name = 'core.apps.contracts'
+
+    def ready(self):
+        import core.apps.contracts.admins.contract

core/apps/contracts/enums/contract.py

@@ -0,0 +1,12 @@
+SIDES = (
+    ('two_or_more', 'two or more',),
+    ('customer_only', 'customer only',),
+    ('only_company', 'onlycompany'),
+)
+
+STATUS = (
+    ('created', 'created',),
+    ('signed_company', 'signed by company',),
+    ('signed_customer', 'signed by customer',),
+    ('cancelled', 'cancelled')
+)

core/apps/contracts/enums/contract_file.py

@@ -0,0 +1,12 @@
+FILE_TYPE = (
+    ('all_files', 'all files',),
+    ('PDF', 'pdf',),
+    ('word_files', 'word files',),
+    ('image', 'image'),
+)
+
+USER_PERMISSION = (
+    ('all', 'all'),
+    ('add', 'add'),
+    ('delete', 'delete'),
+)

core/apps/contracts/enums/contract_notification.py

@@ -0,0 +1,15 @@
+NOTIFICATION_EVENT = (
+    ('exact_date', 'exact date'),
+    ('counterparty_signing', 'counterparty signing'),
+    ('signature_all_parties', 'Signature of all parties')
+)
+
+TYPE_NOTIFICATION = (
+    ('sms', 'sms'),
+    ('whatsup', 'whatsup'),
+)
+
+TYPE_MESSAGE = (
+    ('krill', 'krill'),
+    ('latin', 'latin'),
+)

core/apps/contracts/enums/contract_side.py

@@ -0,0 +1,4 @@
+ROLE = (
+    ('physical', 'physical'),
+    ('legal', 'legal'),
+)

core/apps/contracts/enums/contract_signature.py

@@ -0,0 +1,9 @@
+SIGNATURE_STATUS = (
+    ('signed', 'signed'),
+    ('organized', 'organized')
+)
+
+SIGNATURE_TYPE = (
+    ('sms_sign', 'sms signature'),
+    ('electronic_sing', 'electronic signature')
+)

core/apps/contracts/migrations/0001_initial.py

@@ -0,0 +1,116 @@
+# Generated by Django 5.2 on 2025-07-15 15:55
+
+import django.contrib.postgres.fields
+import django.db.models.deletion
+import uuid
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Contract',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('file', models.FileField(upload_to='contract/files/%Y/%m/')),
+                ('contract_number', models.PositiveIntegerField()),
+                ('name', models.CharField(max_length=200)),
+                ('sides', models.CharField(choices=[('two_or_more', 'two or more'), ('customer_only', 'customer only'), ('only_company', 'onlycompany')], max_length=13)),
+                ('status', models.CharField(choices=[('created', 'created'), ('signed_company', 'signed by company'), ('signed_customer', 'signed by customer'), ('cancelled', 'cancelled')], max_length=15)),
+                ('face_id', models.BooleanField(default=False)),
+                ('attach_file', models.BooleanField(default=False)),
+                ('add_folder', models.BooleanField(default=False)),
+                ('add_notification', models.BooleanField(default=False)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='contracts', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'verbose_name': 'contract',
+                'verbose_name_plural': 'contracts',
+                'db_table': 'contracts',
+            },
+        ),
+        migrations.CreateModel(
+            name='ContractFile',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('name', models.CharField(max_length=150)),
+                ('file_type', django.contrib.postgres.fields.ArrayField(base_field=models.CharField(choices=[('all_files', 'all files'), ('PDF', 'pdf'), ('word_files', 'word files'), ('image', 'image')], max_length=10), blank=True, default=list, size=None)),
+                ('user_permission', django.contrib.postgres.fields.ArrayField(base_field=models.CharField(choices=[('all', 'all'), ('add', 'add'), ('delete', 'delete')], max_length=10), blank=True, default=list, size=None)),
+                ('contract', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='contract_files', to='contracts.contract')),
+            ],
+            options={
+                'verbose_name': 'contract file',
+                'verbose_name_plural': 'contract files',
+                'db_table': 'contract_files',
+            },
+        ),
+        migrations.CreateModel(
+            name='ContractNotification',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('notification_event', models.CharField(choices=[('exact_date', 'exact date'), ('counterparty_signing', 'counterparty signing'), ('signature_all_parties', 'Signature of all parties')], max_length=24)),
+                ('type_notification', models.CharField(choices=[('sms', 'sms'), ('whatsup', 'whatsup')], max_length=8)),
+                ('type_message', models.CharField(blank=True, choices=[('krill', 'krill'), ('latin', 'latin')], max_length=8, null=True)),
+                ('message', models.CharField(max_length=160)),
+                ('time', models.TimeField(blank=True, null=True)),
+                ('date', models.DateField(blank=True, null=True)),
+                ('contract', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='contract_notifications', to='contracts.contract')),
+            ],
+            options={
+                'verbose_name': 'contract notification',
+                'verbose_name_plural': 'contract notifications',
+                'db_table': 'contract_notifications',
+            },
+        ),
+        migrations.CreateModel(
+            name='ContractSide',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('full_name', models.CharField(max_length=70)),
+                ('indentification', models.CharField(max_length=20)),
+                ('position', models.CharField(blank=True, max_length=50, null=True)),
+                ('has_indentification', models.BooleanField(default=False)),
+                ('user_role', models.CharField(choices=[('physical', 'physical'), ('legal', 'legal')], max_length=9)),
+                ('contract', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='contract_sides', to='contracts.contract')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='contract_sides', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'verbose_name': 'contract side',
+                'verbose_name_plural': 'contract sides',
+                'db_table': 'contracts_sides',
+            },
+        ),
+        migrations.CreateModel(
+            name='ContractSignature',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('status', models.CharField(choices=[('signed', 'signed'), ('organized', 'organized')], max_length=20)),
+                ('signature_type', models.CharField(choices=[('sms_sign', 'sms signature'), ('electronic_sing', 'electronic signature')], max_length=20)),
+                ('is_signature', models.BooleanField(default=False)),
+                ('contract', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='contract_signatures', to='contracts.contract')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='contract_users', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'verbose_name': 'contract signatures',
+                'db_table': 'contract_signatures',
+            },
+        ),
+    ]

core/apps/contracts/models/__init__.py

@@ -0,0 +1 @@
+from .contract import *

core/apps/contracts/models/contract.py

@@ -0,0 +1,117 @@
+from django.db import models
+from django.contrib.auth import get_user_model
+from django.contrib.postgres.fields import ArrayField
+
+from core.apps.shared.models.base import BaseModel
+from core.apps.contracts.enums.contract import SIDES, STATUS
+from core.apps.contracts.enums.contract_side import ROLE
+from core.apps.contracts.enums.contract_file import FILE_TYPE, USER_PERMISSION
+from core.apps.contracts.enums.contract_signature import SIGNATURE_TYPE, SIGNATURE_STATUS
+from core.apps.contracts.enums.contract_notification import NOTIFICATION_EVENT, TYPE_MESSAGE, TYPE_NOTIFICATION
+from core.apps.accounts.validators.user import phone_regex
+
+
+class Contract(BaseModel):
+    file = models.FileField(upload_to="contract/files/%Y/%m/")
+    contract_number = models.PositiveIntegerField()
+    name = models.CharField(max_length=200)
+    
+    sides = models.CharField(max_length=13, choices=SIDES) # choices
+    status = models.CharField(max_length=15, choices=STATUS) # choices
+ 
+    face_id = models.BooleanField(default=False)
+    attach_file = models.BooleanField(default=False)
+    add_folder = models.BooleanField(default=False)
+    add_notification = models.BooleanField(default=False)
+
+    user = models.ForeignKey(get_user_model(), on_delete=models.CASCADE, related_name='contracts')
+
+    def __str__(self):
+        return f'{self.name} - {self.user}'
+    
+    class Meta:
+        verbose_name = 'contract'
+        verbose_name_plural = 'contracts'
+        db_table = 'contracts'
+
+
+class ContractSide(BaseModel):
+    full_name = models.CharField(max_length=70)
+    indentification = models.CharField(max_length=20)
+    position = models.CharField(max_length=50, null=True, blank=True)
+
+    has_indentification = models.BooleanField(default=False)
+
+    user_role = models.CharField(max_length=9, choices=ROLE)
+    
+    contract = models.ForeignKey(Contract, on_delete=models.CASCADE, related_name='contract_sides')
+    user = models.ForeignKey(get_user_model(), on_delete=models.CASCADE, related_name='contract_sides')
+
+    def __str__(self):
+        return f"{self.full_name} - {self.contract}"
+    
+    class Meta:
+        verbose_name = 'contract side'
+        verbose_name_plural = 'contract sides'
+        db_table = 'contracts_sides'
+
+
+class ContractFile(BaseModel):
+    name = models.CharField(max_length=150)
+    file_type = ArrayField(
+        models.CharField(max_length=10, choices=FILE_TYPE),
+        default=list,
+        blank=True
+    )
+    user_permission = ArrayField(
+        models.CharField(max_length=10, choices=USER_PERMISSION),
+        default=list,
+        blank=True
+    )
+    contract = models.ForeignKey(Contract, on_delete=models.CASCADE, related_name='contract_files')
+
+    def __str__(self):
+        return f'{self.name} - {self.contract}'
+    
+    class Meta:
+        verbose_name = 'contract file'
+        verbose_name_plural = 'contract files'
+        db_table = 'contract_files'
+
+
+class ContractNotification(BaseModel):
+    notification_event = models.CharField(choices=NOTIFICATION_EVENT, max_length=24)
+    type_notification = models.CharField(choices=TYPE_NOTIFICATION, max_length=8) 
+    type_message = models.CharField(null=True, blank=True, choices=TYPE_MESSAGE, max_length=8) 
+
+    message = models.CharField(max_length=160)
+    time = models.TimeField(null=True, blank=True)
+    date = models.DateField(null=True, blank=True)
+    
+    contract = models.ForeignKey(Contract, on_delete=models.CASCADE, related_name="contract_notifications")
+
+    def __str__(self):
+        return f'{self.type_notification} - {self.contract}'
+    
+    class Meta:
+        verbose_name = 'contract notification'
+        verbose_name_plural = 'contract notifications'
+        db_table = 'contract_notifications'
+    
+
+class ContractSignature(BaseModel):
+    contract = models.ForeignKey(Contract, on_delete=models.CASCADE, related_name='contract_signatures')
+    user = models.ForeignKey(get_user_model(), on_delete=models.CASCADE, related_name='contract_users')
+
+    status = models.CharField(max_length=20, choices=SIGNATURE_STATUS) # choices
+    signature_type = models.CharField(max_length=20, choices=SIGNATURE_TYPE) # choices
+
+    is_signature = models.BooleanField(default=False)
+
+    def __str__(self):
+        return f'{self.user} user signature for {self.contract} contract'
+    
+    class Meta:
+        verbose_name = 'contract signature'
+        verbose_name = 'contract signatures'
+        db_table = 'contract_signatures'

core/apps/shared/admins/folder.py

@@ -0,0 +1,8 @@
+from django.contrib import admin
+
+from core.apps.shared.models.folder import Folder
+
+
+@admin.register(Folder)
+class FolderAdmin(admin.ModelAdmin):
+    list_display = ['id', 'name']

core/apps/shared/apps.py

@@ -4,3 +4,6 @@ from django.apps import AppConfig
 class SharedConfig(AppConfig):
     default_auto_field = 'django.db.models.BigAutoField'
     name = 'core.apps.shared'
+
+    def ready(self):
+        import core.apps.shared.admins.folder

core/apps/shared/migrations/0001_initial.py

@@ -0,0 +1,29 @@
+# Generated by Django 5.2 on 2025-07-15 15:36
+
+import uuid
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Folder',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('name', models.CharField(max_length=200)),
+            ],
+            options={
+                'verbose_name': 'folder',
+                'verbose_name_plural': 'folders',
+                'db_table': 'folders',
+            },
+        ),
+    ]

core/apps/shared/models/__init__.py

@@ -1 +1,2 @@
 from .base import *
+from .folder import *

core/apps/shared/models/folder.py

@@ -0,0 +1,15 @@
+from django.db import models
+
+from core.apps.shared.models.base import BaseModel
+
+
+class Folder(BaseModel):
+    name = models.CharField(max_length=200)
+
+    def __str__(self):
+        return self.name
+    
+    class Meta:
+        verbose_name = 'folder'
+        verbose_name_plural = 'folders'
+        db_table = 'folders'