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Commit c86e24da authored by Marc Feger's avatar Marc Feger
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Add first implementation for the-social-network core

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.idea/
.DS_Store
*.sqlite3
__pycache__
# dependencies
*/node_modules
/.pnp
.pnp.js
# testing
/coverage
# production
/build
*/build
# misc
.env.local
.env.development.local
.env.test.local
.env.production.local
.env
npm-debug.log*
yarn-debug.log*
yarn-error.log*
*.eslintcache
*/media/account/images/
solar/django_static
pypi/*/
Pipfile
View file @ c86e24da
......@@ -4,6 +4,11 @@ verify_ssl = true
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......
Pipfile.lock 0 → 100644
View file @ c86e24da
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the_social_network/core/__init__.py 0 → 100644
View file @ c86e24da
from enum import Enum
class Operations(Enum):
"""
This enum is the distribute all possible operations globally in this app.
"""
REGISTER = "register"
LOGIN = "login"
LOGOUT = "logout"
the_social_network/core/admin.py 0 → 100644
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from django.contrib import admin
from .models import *
class RelationshipInline(admin.StackedInline):
"""
This is the stackable inline representation of the relationships.
It will use the from_account as an foreign key.
It will not display any more then relationships then necessary (extra = 0)
"""
model = Relationship
fk_name = 'from_account'
extra = 0
class StatementsInline(admin.StackedInline):
"""
This is the stackable inline representation of the statements.
It will not display any more then statements then necessary (extra = 0)
"""
model = Statement
extra = 0
class AccountAdmin(admin.ModelAdmin):
"""
This is the admin for the accounts.
This will add the relationships of an account to admin interface.
This will add content of an account to admin interface.
"""
inlines = [RelationshipInline, StatementsInline]
class StatementHashtagInline(admin.StackedInline):
"""
This is the stackable representation of the tagging of an statement with an hashtag.
"""
model = HashtagTagging
fk_name = 'statement'
extra = 0
class StatementAccountInline(admin.StackedInline):
"""
This is the stackable representation of the mentioning of an account within an statement.
"""
model = AccountTagging
fk_name = 'statement'
extra = 0
class StatementReactionInline(admin.StackedInline):
"""
This is the stackable representation of the reaction relation between statements.
"""
model = Reaction
fk_name = 'parent'
extra = 0
class StatementAdmin(admin.ModelAdmin):
"""
This ist the admin for the statements.
It will add the tagging of statements with hashtags to the admin interface.
"""
inlines = [StatementHashtagInline,
StatementAccountInline, StatementReactionInline]
admin.site.register(Account, AccountAdmin)
admin.site.register(Relationship)
admin.site.register(Hashtag)
admin.site.register(HashtagTagging)
admin.site.register(AccountTagging)
admin.site.register(Reaction)
admin.site.register(Statement, StatementAdmin)
the_social_network/core/apps.py 0 → 100644
View file @ c86e24da
from django.apps import AppConfig
class AuthenticationConfig(AppConfig):
name = 'core'
the_social_network/core/migrations/0001_initial.py 0 → 100644
View file @ c86e24da
# Generated by Django 3.1.2 on 2020-12-02 11:13
from django.db import migrations, models
import django.db.models.deletion
class Migration(migrations.Migration):
initial = True
dependencies = [
('auth', '0012_alter_user_first_name_max_length'),
]
operations = [
migrations.CreateModel(
name='Account',
fields=[
('user', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, primary_key=True, serialize=False, to='auth.user')),
('image', models.ImageField(default='account/default/Argunaut.png', upload_to='account/images')),
('biography', models.CharField(default='Hey there, nice to meet you!', max_length=1000))
],
),
migrations.CreateModel(
name='Relationship',
fields=[
('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('created', models.DateTimeField(auto_now_add=True, db_index=True)),
('from_account', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='from_account', to='core.account')),
('to_account', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='to_account', to='core.account')),
],
options={
'ordering': ('-created',),
},
),
migrations.AddField(
model_name='account',
name='related_to',
field=models.ManyToManyField(blank=True, default=None, related_name='related_by', through='core.Relationship', to='core.Account'),
),
migrations.CreateModel(
name='Statement',
fields=[
('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('content', models.CharField(max_length=120)),
('created', models.DateTimeField(auto_now_add=True, db_index=True)),
('author', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.account')),
],
options={
'ordering': ('-created',),
},
),
migrations.CreateModel(
name='Hashtag',
fields=[
('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('tag', models.CharField(max_length=30)),
('created', models.DateTimeField(auto_now_add=True, db_index=True)),
],
),
migrations.CreateModel(
name='HashtagTagging',
fields=[
('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('created', models.DateTimeField(auto_now_add=True, db_index=True)),
('hashtag', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='hashtag', to='core.hashtag')),
('statement', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.statement')),
],
options={
'ordering': ('-created',),
},
),
migrations.AddField(
model_name='statement',
name='tagged',
field=models.ManyToManyField(blank=True, default=None, related_name='tags', through='core.HashtagTagging', to='core.Hashtag'),
),
migrations.CreateModel(
name='AccountTagging',
fields=[
('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('created', models.DateTimeField(auto_now_add=True, db_index=True)),
('account', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='account', to='core.account')),
('statement', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.statement')),
],
options={
'ordering': ('-created',),
},
),
migrations.AddField(
model_name='statement',
name='mentioned',
field=models.ManyToManyField(blank=True, default=None, related_name='mentions', through='core.AccountTagging', to='core.Account'),
),
migrations.CreateModel(
name='Reaction',
fields=[
('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('created', models.DateTimeField(auto_now_add=True, db_index=True)),
('vote', models.PositiveSmallIntegerField(choices=[(1, 'like'), (2, 'dislike')], default=1)),
('child', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='child', to='core.statement')),
('parent', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='parent', to='core.statement')),
],
options={
'ordering': ('-created',),
},
),
migrations.AddField(
model_name='statement',
name='reactions',
field=models.ManyToManyField(blank=True, default=None, related_name='reaction_of', through='core.Reaction', to='core.Statement'),
),
]
the_social_network/core/migrations/0002_auto_20211111_1220.py 0 → 100644
View file @ c86e24da
# Generated by Django 3.2.9 on 2021-11-11 12:20
from django.db import migrations, models
class Migration(migrations.Migration):
dependencies = [
('core', '0001_initial'),
]
operations = [
migrations.AlterField(
model_name='accounttagging',
name='id',
field=models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
),
migrations.AlterField(
model_name='hashtag',
name='id',
field=models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
),
migrations.AlterField(
model_name='hashtagtagging',
name='id',
field=models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
),
migrations.AlterField(
model_name='reaction',
name='id',
field=models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
),
migrations.AlterField(
model_name='relationship',
name='id',
field=models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
),
migrations.AlterField(
model_name='statement',
name='id',
field=models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
),
]
the_social_network/core/models.py 0 → 100644
View file @ c86e24da
import logging
from typing import List, Optional, Tuple
import re
from django.contrib.auth.models import User
from django.core.files.uploadedfile import InMemoryUploadedFile
from django.db import models
from django.apps import apps
logger = logging.getLogger(__name__)
class Statement(models.Model):
"""
This model represents an statement of an specific account.
"""
author = models.ForeignKey('core.Account', on_delete=models.CASCADE)
content = models.CharField(max_length=120, blank=False)
created = models.DateTimeField(auto_now_add=True, db_index=True)
# Add an hashtag between statements and hashtags over the tagging model
tagged = models.ManyToManyField('Hashtag',
blank=True,
through='HashtagTagging',
symmetrical=False,
related_name='tags',
default=None)
mentioned = models.ManyToManyField('core.Account',
blank=True,
through='AccountTagging',
symmetrical=False,
related_name='mentions',
default=None)
reactions = models.ManyToManyField('self',
blank=True,
through='Reaction',
symmetrical=False,
related_name='reaction_of',
default=None)
def __str__(self):
return "{author} says: {content}".format(author=self.author.user.username, content=self.content)
class Meta:
ordering = ('-created',)
def save(self, *args, **kwargs) -> None:
"""
This method adds hashtags relations after the statement is saved.
Save is ran after update or create.
:param args: Not used.
:param kwargs: Not used.
:return: None
"""
super(Statement, self).save(*args, **kwargs)
# resolve hashtags after saving the statement
used_hashtags: List[str] = self.__extract_hashtags()
for used_hashtag in used_hashtags:
result: Tuple[Hashtag, bool] = Hashtag.objects.get_or_create(tag=used_hashtag)
hashtag: Hashtag = result[0]
self.add_hashtag(hashtag=hashtag)
used_mentions: List[str] = self.__extract_mentioning()
# resolve mentions after saving the statement
for used_mention in used_mentions:
account: 'core.Account' = apps.get_model("core", "Account").objects.filter(
user__username=used_mention).first()
if account:
self.add_mentioning(account=account)
def add_reaction(self, reaction_statement: 'Statement', vote: int) -> Tuple['Reaction', bool]:
"""
This method adds an reaction to the calling statement.
:param reaction_statement: The statement to be added as an reaction.
:param vote: The vote of the reaction regarding the parent element. (Like 1, Dislike 0)
:return: The reaction as well as the status if the reaction was already existing.
"""
reaction, created = Reaction.objects.get_or_create(
parent=self,
child=reaction_statement,
vote=vote
)
return reaction, created
def remove_as_reaction(self) -> bool:
"""
This method removes the calling statement as an reaction for the parent.
:return: Status if the reaction was deleted or not.
"""
deleted, _ = Reaction.objects.filter(child=self).delete()
return deleted
def get_reactions(self) -> List['Reaction']:
"""
This method returns all reaction of the calling statement.
:return: List of all reactions to the calling statement
"""
return list(Reaction.objects.filter(parent=self))
def get_reaction_to_parent(self) -> Optional[List['Reaction']]:
"""
This method returns the reaction relation to the parent if this statement is used as an reaction.
:return: Reaction to the parent if there is one. Else none.
"""
reaction: List[Reaction] = Reaction.objects.filter(child=self)
if len(reaction) == 0:
return None
# todo: is there a way to use the instance and not a list in the reaction serialize, if so, also change frontend
return reaction
def get_parent(self) -> Optional['Statement']:
"""
This method is for getting the parent if of an statement if this statement is an reaction.
:return: The parent statement of the reaction. If there is no parent then None is returned.
"""
parents: List['Statement'] = self.reaction_of.all()
if len(parents) == 0:
return None
return parents[0]
def __extract_hashtags(self) -> List[str]:
"""
This method extracts the hashtag of the content.
Hashtags are alpha numeric words.
:return: List of all hashtags used in the content of the statement.
"""
return re.findall(r"#(\w+)", self.content)
def add_hashtag(self, hashtag: 'Hashtag'):
"""
This method is for adding an hashtag to the corresponding statement.
:param hashtag: The hashtag to be added.
:return: True if the hashtag was created, false otherwise.
"""
tagging, created = HashtagTagging.objects.get_or_create(statement=self, hashtag=hashtag)
return created
def get_hashtags(self) -> List['Hashtag']:
"""
This method is to get all hashtags of the calling statement.
:return: List of all hashtags of the calling statement.
"""
return list(self.tagged.all())
def remove_hashtag(self, hashtag: 'Hashtag'):
"""
This method is used to delete an specific hashtag for the calling statement.
:param hashtag: The hashtag to be deleted.
:return: True if the hashtag was deleted, false else.
"""
deleted: bool = HashtagTagging.objects.filter(
statement=self,
hashtag=hashtag
).delete()
return deleted
def __extract_mentioning(self) -> List['core.Account']:
"""
This method extracts the mentions of accounts in the calling statement.
Accounts names are alpha numeric words.
:return: List of all accounts mentioned in the calling statement.
"""
return re.findall(r"@(\w+)", self.content)
def add_mentioning(self, account: 'core.Account'):
"""
This method is for adding an mention of an account to the corresponding statement.
:param account: The account to be mentioned.