IdHub/idhub/models.py

import json
import requests
from django.db import models
from django.utils.translation import gettext_lazy as _
from idhub_auth.models import User


class Event(models.Model):
    class Types(models.IntegerChoices):
        EV_USR_REGISTERED = 1, "EV_USR_REGISTERED"
        EV_USR_WELCOME = 2, "EV_USR_WELCOME"
        EV_DATA_UPDATE_REQUESTED_BY_USER = 3, "EV_DATA_UPDATE_REQUESTED_BY_USER"
        EV_DATA_UPDATE_REQUESTED = 4, "EV_DATA_UPDATE_REQUESTED"
        EV_USR_UPDATED_BY_ADMIN = 5, "EV_USR_UPDATED_BY_ADMIN"
        EV_USR_UPDATED = 6, "EV_USR_UPDATED"
        EV_USR_DELETED_BY_ADMIN = 7, "EV_USR_DELETED_BY_ADMIN"
        EV_DID_CREATED_BY_USER = 8, "EV_DID_CREATED_BY_USER"
        EV_DID_CREATED = 9, "EV_DID_CREATED"
        EV_DID_DELETED = 10, "EV_DID_DELETED"
        EV_CREDENTIAL_DELETED_BY_ADMIN = 11, "EV_CREDENTIAL_DELETED_BY_ADMIN"
        EV_CREDENTIAL_DELETED = 12, "EV_CREDENTIAL_DELETED"
        EV_CREDENTIAL_ISSUED_FOR_USER = 13, "EV_CREDENTIAL_ISSUED_FOR_USER"
        EV_CREDENTIAL_ISSUED = 14, "EV_CREDENTIAL_ISSUED"
        EV_CREDENTIAL_PRESENTED_BY_USER = 15, "EV_CREDENTIAL_PRESENTED_BY_USER"
        EV_CREDENTIAL_PRESENTED = 16, "EV_CREDENTIAL_PRESENTED"
        EV_CREDENTIAL_ENABLED = 17, "EV_CREDENTIAL_ENABLED"
        EV_CREDENTIAL_CAN_BE_REQUESTED = 18, "EV_CREDENTIAL_CAN_BE_REQUESTED"
        EV_CREDENTIAL_REVOKED_BY_ADMIN = 19, "EV_CREDENTIAL_REVOKED_BY_ADMIN"
        EV_CREDENTIAL_REVOKED = 20, "EV_CREDENTIAL_REVOKED"
        EV_ROLE_CREATED_BY_ADMIN = 21, "EV_ROLE_CREATED_BY_ADMIN"
        EV_ROLE_MODIFIED_BY_ADMIN = 22, "EV_ROLE_MODIFIED_BY_ADMIN"
        EV_ROLE_DELETED_BY_ADMIN = 23, "EV_ROLE_DELETED_BY_ADMIN"
        EV_SERVICE_CREATED_BY_ADMIN = 24, "EV_SERVICE_CREATED_BY_ADMIN"
        EV_SERVICE_MODIFIED_BY_ADMIN = 25, "EV_SERVICE_MODIFIED_BY_ADMIN"
        EV_SERVICE_DELETED_BY_ADMIN = 26, "EV_SERVICE_DELETED_BY_ADMIN"
        EV_ORG_DID_CREATED_BY_ADMIN = 27, "EV_ORG_DID_CREATED_BY_ADMIN"
        EV_ORG_DID_DELETED_BY_ADMIN = 28, "EV_ORG_DID_DELETED_BY_ADMIN"
        EV_USR_DEACTIVATED_BY_ADMIN = 29, "EV_USR_DEACTIVATED_BY_ADMIN"
        EV_USR_ACTIVATED_BY_ADMIN = 30, "EV_USR_ACTIVATED_BY_ADMIN"

    created = models.DateTimeField(auto_now=True)
    message = models.CharField(max_length=350)
    type = models.PositiveSmallIntegerField(
        choices=Types.choices,
    )
    user = models.ForeignKey(
        User,
        on_delete=models.CASCADE,
        related_name='events',
        null=True,
    )

    def get_type(self):
        return self.Types(self.type).label

    @classmethod
    def set_EV_USR_REGISTERED(cls, user):
        msg = "The user {} was registered: name: {}, last name: {}".format(
            user.username,
            user.first_name,
            user.last_name
        )
        cls.objects.create(
            type=cls.Types.EV_USR_REGISTERED,
            message=msg
        )

    @classmethod
    def set_EV_USR_WELCOME(cls, user):
        msg = "Welcome. You has been registered: name: {}, last name: {}".format(
            user.first_name,
            user.last_name
        )
        cls.objects.create(
            type=cls.Types.EV_USR_WELCOME,
            message=msg,
            user=user
        )
        
    # Is required?
    @classmethod
    def set_EV_DATA_UPDATE_REQUESTED_BY_USER(cls, user):
        msg = "The user '{}' has request the update of the following information: "
        msg += "['field1':'value1', 'field2':'value2'>,...]".format(
            user.username,
        )
        cls.objects.create(
            type=cls.Types.EV_DATA_UPDATE_REQUESTED_BY_USER,
            message=msg,
        )
        
    # Is required?
    @classmethod
    def set_EV_DATA_UPDATE_REQUESTED(cls, user):
        msg = "You have requested the update of the following information: "
        msg += "['field1':'value1', 'field2':'value2'>,...]"
        cls.objects.create(
            type=cls.Types.EV_DATA_UPDATE_REQUESTED,
            message=msg,
            user=user
        )
        
    @classmethod
    def set_EV_USR_UPDATED_BY_ADMIN(cls, user):
        msg = "The admin has updated the following user 's information: "
        msg += "name: {}, last name: {}".format(
            user.first_name,
            user.last_name
        )
        cls.objects.create(
            type=cls.Types.EV_USR_UPDATED_BY_ADMIN,
            message=msg
        )

    @classmethod
    def set_EV_USR_UPDATED(cls, user):
        msg = "The admin has updated your personal information: "
        msg += "name: {}, last name: {}".format(
            user.first_name,
            user.last_name
        )
        cls.objects.create(
            type=cls.Types.EV_USR_UPDATED,
            message=msg,
            user=user
        )
        
    @classmethod
    def set_EV_USR_DELETED_BY_ADMIN(cls, user):
        msg = "The admin has deleted the user: username: {}".format(
            user.username,
        )
        cls.objects.create(
            type=cls.Types.EV_USR_DELETED_BY_ADMIN,
            message=msg
        )
        
    @classmethod
    def set_EV_DID_CREATED_BY_USER(cls, did):
        msg = "New DID with DID-ID: '{}' created by user '{}'".format(
            did.did,
            did.user.username
        )
        cls.objects.create(
            type=cls.Types.EV_DID_CREATED_BY_USER,
            message=msg,
        )
        
    @classmethod
    def set_EV_DID_CREATED(cls, did):
        msg = "New DID with label: '{}' and DID-ID: '{}' was created'".format(
            did.label,
            did.did
        )
        cls.objects.create(
            type=cls.Types.EV_DID_CREATED,
            message=msg,
            user=did.user
        )
        
    @classmethod
    def set_EV_DID_DELETED(cls, did):
        msg = "The DID with label '{}' and DID-ID: '{}' was deleted from your wallet".format( 
            did.label,
            did.did
        )
        cls.objects.create(
            type=cls.Types.EV_DID_DELETED,
            message=msg,
            user=did.user
        )
        
    @classmethod
    def set_EV_CREDENTIAL_DELETED_BY_ADMIN(cls, cred):
        msg = "The credential of type '{}' and ID: '{}' was deleted".format(
            cred.type(),
            cred.id,
        )
        cls.objects.create(
            type=cls.Types.EV_CREDENTIAL_DELETED_BY_ADMIN,
            message=msg,
        )
        
    @classmethod
    def set_EV_CREDENTIAL_DELETED(cls, cred):
        msg = "The credential of type '{}' and ID: '{}' was deleted from your wallet".format(
            cred.type(),
            cred.id
        )
        cls.objects.create(
            type=cls.Types.EV_CREDENTIAL_DELETED,
            message=msg,
            user=cred.user
        )
        
    @classmethod
    def set_EV_CREDENTIAL_ISSUED_FOR_USER(cls, cred):
        msg = "The credential of type '{}' and ID: '{}' was issued for user {}".format(
            cred.type(),
            cred.id,
            cred.user.username
        )
        cls.objects.create(
            type=cls.Types.EV_CREDENTIAL_ISSUED_FOR_USER,
            message=msg,
        )
        
    @classmethod
    def set_EV_CREDENTIAL_ISSUED(cls, cred):
        msg = "The credential of type '{}' and ID: '{}' was issued and stored in your wallet".format(
            cred.type(),
            cred.id
        )
        cls.objects.create(
            type=cls.Types.EV_CREDENTIAL_ISSUED,
            message=msg,
            user=cred.user
        )
        
    @classmethod
    def set_EV_CREDENTIAL_PRESENTED_BY_USER(cls, cred, verifier):
        msg = "The credential of type '{}' and ID: '{}' was presented by user {} to verifier '{}".format(
            cred.type(),
            cred.id,
            cred.user.username,
            verifier
        )
        cls.objects.create(
            type=cls.Types.EV_CREDENTIAL_PRESENTED_BY_USER,
            message=msg,
        )
        
    @classmethod
    def set_EV_CREDENTIAL_PRESENTED(cls, cred, verifier):
        msg = "The credential of type '{}' and ID: '{}' was presented to verifier '{}'".format(
            cred.type(),
            cred.id,
            verifier
        )
        cls.objects.create(
            type=cls.Types.EV_CREDENTIAL_PRESENTED,
            message=msg,
            user=cred.user
        )
        
    @classmethod
    def set_EV_CREDENTIAL_ENABLED(cls, cred):
        msg = "The credential of type '{}' was enabled for user {}".format(
            cred.type(),
            cred.user.username
        )
        cls.objects.create(
            type=cls.Types.EV_CREDENTIAL_ENABLED,
            message=msg,
        )
        
    @classmethod
    def set_EV_CREDENTIAL_CAN_BE_REQUESTED(cls, cred):
        msg = "You can request the '{}' credential".format(
            cred.type()
        )
        cls.objects.create(
            type=cls.Types.EV_CREDENTIAL_CAN_BE_REQUESTED,
            message=msg,
            user=cred.user
        )
        
    @classmethod
    def set_EV_CREDENTIAL_REVOKED_BY_ADMIN(cls, cred):
        msg = "The credential of type '{}' and ID: '{}' was revoked for ".format(
            cred.type(),
            cred.id
        )
        cls.objects.create(
            type=cls.Types.EV_CREDENTIAL_REVOKED_BY_ADMIN,
            message=msg,
        )
        
    @classmethod
    def set_EV_CREDENTIAL_REVOKED(cls, cred):
        msg = "The credential of type '{}' and ID: '{}' was revoked by admin".format(
            cred.type(),
            cred.id
        )
        cls.objects.create(
            type=cls.Types.EV_CREDENTIAL_REVOKED,
            message=msg,
            user=cred.user
        )
        
    @classmethod
    def set_EV_ROLE_CREATED_BY_ADMIN(cls):
        msg = 'A new role was created by admin'
        cls.objects.create(
            type=cls.Types.EV_ROLE_CREATED_BY_ADMIN,
            message=msg,
        )
        
    @classmethod
    def set_EV_ROLE_MODIFIED_BY_ADMIN(cls):
        msg = 'The role was modified by admin'
        cls.objects.create(
            type=cls.Types.EV_ROLE_MODIFIED_BY_ADMIN,
            message=msg,
        )
        
    @classmethod
    def set_EV_ROLE_DELETED_BY_ADMIN(cls):
        msg = 'The role was removed by admin'
        cls.objects.create(
            type=cls.Types.EV_ROLE_DELETED_BY_ADMIN,
            message=msg,
        )
        
    @classmethod
    def set_EV_SERVICE_CREATED_BY_ADMIN(cls):
        msg = 'A new service was created by admin'
        cls.objects.create(
            type=cls.Types.EV_SERVICE_CREATED_BY_ADMIN,
            message=msg,
        )
        
    @classmethod
    def set_EV_SERVICE_MODIFIED_BY_ADMIN(cls):
        msg = 'The service was modified by admin'
        cls.objects.create(
            type=cls.Types.EV_SERVICE_MODIFIED_BY_ADMIN,
            message=msg,
        )
        
    @classmethod
    def set_EV_SERVICE_DELETED_BY_ADMIN(cls):
        msg = 'The service was removed by admin'
        cls.objects.create(
            type=cls.Types.EV_SERVICE_DELETED_BY_ADMIN,
            message=msg,
        )
        
    @classmethod
    def set_EV_ORG_DID_CREATED_BY_ADMIN(cls, did):
        msg = "New Organisational DID with label: '{}' and DID-ID: '{}' was created".format(
            did.label,
            did.did
        )
        cls.objects.create(
            type=cls.Types.EV_ORG_DID_CREATED_BY_ADMIN,
            message=msg,
        )
        
    @classmethod
    def set_EV_ORG_DID_DELETED_BY_ADMIN(cls, did):
        msg = "Organisational DID with label: '{}' and DID-ID: '{}' was removed".format(
            did.label,
            did.did
        )
        cls.objects.create(
            type=cls.Types.EV_ORG_DID_DELETED_BY_ADMIN,
            message=msg,
        )
        
    @classmethod
    def set_EV_USR_DEACTIVATED_BY_ADMIN(cls, user):
        msg = "The user '{}' was temporarily deactivated: [name:'{}', last name:'{}']".format(
            user.username,
            user.first_name,
            user.last_name
        )
        cls.objects.create(
            type=cls.Types.EV_USR_DEACTIVATED_BY_ADMIN,
            message=msg,
        )
        
    @classmethod
    def set_EV_USR_ACTIVATED_BY_ADMIN(cls, user):
        msg = "The user '{}' was activated: [name:'{}', last name:'{}']".format(
            user.username,
            user.first_name,
            user.last_name
        )
        cls.objects.create(
            type=cls.Types.EV_USR_ACTIVATED_BY_ADMIN,
            message=msg,
        )
        

class DID(models.Model):
    created_at = models.DateTimeField(auto_now=True)
    did = models.CharField(max_length=250, unique=True)
    label = models.CharField(max_length=50)
    user = models.ForeignKey(
        User,
        on_delete=models.CASCADE,
        related_name='dids',
        null=True,
    )
    # kind = "KEY|WEB"

    @property
    def is_organization_did(self):
        if not self.user:
            return True
        return False


class Schemas(models.Model):
    file_schema = models.CharField(max_length=250)
    data = models.TextField()
    created_at = models.DateTimeField(auto_now=True)

    @property
    def get_schema(self):
        if not self.data:
            return {}
        return json.loads(self.data)

    def name(self):
        return self.get_schema.get('name', '')

    def description(self):
        return self.get_schema.get('description', '')


class VerificableCredential(models.Model):
    """
        Definition of Verificable Credentials
    """
    class Status(models.IntegerChoices):
        ENABLED = 1, _("Enabled")
        ISSUED = 2, _("Issued")
        REVOKED = 3, _("Revoked")
        EXPIRED = 4, _("Expired")

    id_string = models.CharField(max_length=250)
    verified = models.BooleanField()
    created_on = models.DateTimeField(auto_now=True)
    issuer_on = models.DateTimeField(null=True)
    did_issuer = models.CharField(max_length=250)
    did_subject = models.CharField(max_length=250)
    data = models.TextField()
    status = models.PositiveSmallIntegerField(
        choices=Status.choices,
        default=Status.ENABLED
    )
    user = models.ForeignKey(
        User,
        on_delete=models.CASCADE,
        related_name='vcredentials',
    )

    @property
    def get_schema(self):
        if not self.data:
            return {}
        return json.loads(self.data)

    def type(self):
        return self.get_schema.get('name', '')

    def description(self):
        return self.get_schema.get('description', '')

    def get_status(self):
        return self.Status(self.status).label

    def get_datas(self):
        data = json.loads(self.data).get('instance').items()
        return data

    def get_issued(self, did):
        self.status = self.Status.ISSUED
        self.did_subject = did

class VCTemplate(models.Model):
    wkit_template_id = models.CharField(max_length=250)
    data = models.TextField()


class File_datas(models.Model):
    file_name = models.CharField(max_length=250)
    success = models.BooleanField(default=True)
    created_at = models.DateTimeField(auto_now=True)


class Membership(models.Model):
    """
      This model represent the relation of this user with the ecosystem.  
    """
    class Types(models.IntegerChoices):
        BENEFICIARY = 1, _('Beneficiary')
        EMPLOYEE = 2, _('Employee')
        PARTNER = 3, _('Partner')

    type = models.PositiveSmallIntegerField(_('Type of membership'), choices=Types.choices)
    start_date = models.DateField(
        _('Start date'),
        help_text=_('What date did the membership start?'),
        blank=True,
        null=True
    )
    end_date = models.DateField(
        _('End date'),
        help_text=_('What date did the membership end?'),
        blank=True,
        null=True
    )

    user = models.ForeignKey(
        User,
        on_delete=models.CASCADE,
        related_name='memberships',
    )

    def get_type(self):
        return dict(self.Types.choices).get(self.type)


class Rol(models.Model):
    name = models.CharField(max_length=250)

    def __str__(self):
        return self.name


class Service(models.Model):
    domain = models.CharField(max_length=250)
    description = models.CharField(max_length=250)
    rol = models.ManyToManyField(
        Rol,
    )

    def get_roles(self):
        return ", ".join([x.name for x in self.rol.all()])
    
    def __str__(self):
        return "{} -> {}".format(self.domain, self.get_roles())


class UserRol(models.Model):
    user = models.ForeignKey(
        User,
        on_delete=models.CASCADE,
        related_name='roles',
    )
    service = models.ForeignKey(
        Service,
        on_delete=models.CASCADE,
        related_name='users',
    )


class Organization(models.Model):
    name = models.CharField(max_length=250)
    url = models.CharField(
        help_text=_("Url where to send the presentation"),
        max_length=250
    )

    def __str__(self):
        return self.name

    def send(self, cred):
        return
        requests.post(self.url, data=cred.data)