Files
website/models.py

695 lines
31 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
from flask_sqlalchemy import SQLAlchemy
from flask_login import UserMixin
from datetime import datetime
from werkzeug.security import generate_password_hash, check_password_hash
from enum import Enum
import uuid as uuid_pkg
import os
db = SQLAlchemy()
# Beziehungstypen für Gedankenverknüpfungen
class RelationType(Enum):
SUPPORTS = "stützt"
CONTRADICTS = "widerspricht"
BUILDS_UPON = "baut auf auf"
GENERALIZES = "verallgemeinert"
SPECIFIES = "spezifiziert"
INSPIRES = "inspiriert"
# Beziehungstabelle für viele-zu-viele Beziehung zwischen MindMapNodes
node_relationship = db.Table('node_relationship',
db.Column('parent_id', db.Integer, db.ForeignKey('mind_map_node.id'), primary_key=True),
db.Column('child_id', db.Integer, db.ForeignKey('mind_map_node.id'), primary_key=True)
)
# Beziehungstabelle für öffentliche Knoten und Gedanken
node_thought_association = db.Table('node_thought_association',
db.Column('node_id', db.Integer, db.ForeignKey('mind_map_node.id'), primary_key=True),
db.Column('thought_id', db.Integer, db.ForeignKey('thought.id'), primary_key=True)
)
# Beziehungstabelle für Benutzer-spezifische Mindmap-Knoten und Gedanken
user_mindmap_thought_association = db.Table('user_mindmap_thought_association',
db.Column('user_mindmap_id', db.Integer, db.ForeignKey('user_mindmap.id'), primary_key=True),
db.Column('thought_id', db.Integer, db.ForeignKey('thought.id'), primary_key=True)
)
# Beziehungstabelle für Benutzer-Bookmarks von Gedanken
user_thought_bookmark = db.Table('user_thought_bookmark',
db.Column('user_id', db.Integer, db.ForeignKey('user.id'), primary_key=True),
db.Column('thought_id', db.Integer, db.ForeignKey('thought.id'), primary_key=True),
db.Column('created_at', db.DateTime, default=datetime.utcnow)
)
# Beziehungstabelle für Benutzer-Freundschaften
user_friendships = db.Table('user_friendships',
db.Column('user_id', db.Integer, db.ForeignKey('user.id'), primary_key=True),
db.Column('friend_id', db.Integer, db.ForeignKey('user.id'), primary_key=True),
db.Column('created_at', db.DateTime, default=datetime.utcnow),
db.Column('status', db.String(20), default='pending') # pending, accepted, blocked
)
# Beziehungstabelle für Benutzer-Follows
user_follows = db.Table('user_follows',
db.Column('follower_id', db.Integer, db.ForeignKey('user.id'), primary_key=True),
db.Column('followed_id', db.Integer, db.ForeignKey('user.id'), primary_key=True),
db.Column('created_at', db.DateTime, default=datetime.utcnow)
)
# Beziehungstabelle für Post-Likes
post_likes = db.Table('post_likes',
db.Column('user_id', db.Integer, db.ForeignKey('user.id'), primary_key=True),
db.Column('post_id', db.Integer, db.ForeignKey('social_post.id'), primary_key=True),
db.Column('created_at', db.DateTime, default=datetime.utcnow)
)
# Beziehungstabelle für Comment-Likes
comment_likes = db.Table('comment_likes',
db.Column('user_id', db.Integer, db.ForeignKey('user.id'), primary_key=True),
db.Column('comment_id', db.Integer, db.ForeignKey('social_comment.id'), primary_key=True),
db.Column('created_at', db.DateTime, default=datetime.utcnow)
)
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(80), unique=True, nullable=False)
email = db.Column(db.String(120), unique=True, nullable=False)
password = db.Column(db.String(512), nullable=False)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
is_active = db.Column(db.Boolean, default=True)
role = db.Column(db.String(20), default="user") # 'user', 'admin', 'moderator'
bio = db.Column(db.Text, nullable=True) # Profil-Bio
location = db.Column(db.String(100), nullable=True) # Standort
website = db.Column(db.String(200), nullable=True) # Website
avatar = db.Column(db.String(200), nullable=True) # Profilbild-URL
last_login = db.Column(db.DateTime, nullable=True) # Letzter Login
# Social Network Felder
display_name = db.Column(db.String(100), nullable=True) # Anzeigename
birth_date = db.Column(db.Date, nullable=True) # Geburtsdatum
gender = db.Column(db.String(20), nullable=True) # Geschlecht
phone = db.Column(db.String(20), nullable=True) # Telefonnummer
is_verified = db.Column(db.Boolean, default=False) # Verifizierter Account
is_private = db.Column(db.Boolean, default=False) # Privater Account
follower_count = db.Column(db.Integer, default=0) # Follower-Anzahl
following_count = db.Column(db.Integer, default=0) # Following-Anzahl
post_count = db.Column(db.Integer, default=0) # Post-Anzahl
online_status = db.Column(db.String(20), default='offline') # online, offline, away
last_seen = db.Column(db.DateTime, nullable=True) # Zuletzt gesehen
# Beziehungen
threads = db.relationship('Thread', backref='creator', lazy=True)
messages = db.relationship('Message', backref='author', lazy=True)
projects = db.relationship('Project', backref='owner', lazy=True)
mindmaps = db.relationship('UserMindmap', backref='user', lazy=True)
thoughts = db.relationship('Thought', backref='author', lazy=True)
bookmarked_thoughts = db.relationship('Thought', secondary=user_thought_bookmark,
lazy='dynamic', backref=db.backref('bookmarked_by', lazy='dynamic'))
# Social Network Beziehungen
posts = db.relationship('SocialPost', backref='author', lazy=True, cascade="all, delete-orphan")
comments = db.relationship('SocialComment', backref='author', lazy=True, cascade="all, delete-orphan")
notifications = db.relationship('Notification', foreign_keys='Notification.user_id', backref='user', lazy=True, cascade="all, delete-orphan")
# Freundschaften (bidirektional)
friends = db.relationship(
'User',
secondary=user_friendships,
primaryjoin=id == user_friendships.c.user_id,
secondaryjoin=id == user_friendships.c.friend_id,
backref='friend_of',
lazy='dynamic'
)
# Following/Followers
following = db.relationship(
'User',
secondary=user_follows,
primaryjoin=id == user_follows.c.follower_id,
secondaryjoin=id == user_follows.c.followed_id,
backref=db.backref('followers', lazy='dynamic'),
lazy='dynamic'
)
# Liked Posts und Comments
liked_posts = db.relationship('SocialPost', secondary=post_likes,
backref=db.backref('liked_by', lazy='dynamic'), lazy='dynamic')
liked_comments = db.relationship('SocialComment', secondary=comment_likes,
backref=db.backref('liked_by', lazy='dynamic'), lazy='dynamic')
def __repr__(self):
return f'<User {self.username}>'
def set_password(self, password):
self.password = generate_password_hash(password)
def check_password(self, password):
return check_password_hash(self.password, password)
@property
def is_admin(self):
return self.role == 'admin'
@is_admin.setter
def is_admin(self, value):
self.role = 'admin' if value else 'user'
# Social Network Methoden
def follow(self, user):
"""Folgt einem anderen Benutzer"""
if not self.is_following(user):
self.following.append(user)
user.follower_count += 1
user.following_count += 1
# Notification erstellen
notification = Notification(
user_id=user.id,
type='follow',
message=f'{self.username} folgt dir jetzt',
related_user_id=self.id
)
db.session.add(notification)
def unfollow(self, user):
"""Entfolgt einem Benutzer"""
if self.is_following(user):
self.following.remove(user)
user.follower_count -= 1
user.following_count -= 1
def is_following(self, user):
"""Prüft ob der Benutzer einem anderen folgt"""
return self.following.filter(user_follows.c.followed_id == user.id).count() > 0
def get_feed_posts(self, limit=20):
"""Holt Posts für den Feed (von gefolgten Benutzern)"""
# Hole alle User-IDs von Benutzern, denen ich folge + meine eigene
followed_user_ids = [user.id for user in self.following]
all_user_ids = followed_user_ids + [self.id]
# Hole Posts von diesen Benutzern
return SocialPost.query.filter(
SocialPost.user_id.in_(all_user_ids)
).order_by(SocialPost.created_at.desc()).limit(limit)
class Category(db.Model):
"""Wissenschaftliche Kategorien für die Gliederung der öffentlichen Mindmap"""
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(100), unique=True, nullable=False)
description = db.Column(db.Text)
color_code = db.Column(db.String(7)) # Hex color
icon = db.Column(db.String(50))
parent_id = db.Column(db.Integer, db.ForeignKey('category.id'), nullable=True)
# Beziehungen
children = db.relationship('Category', backref=db.backref('parent', remote_side=[id]))
nodes = db.relationship('MindMapNode', backref='category', lazy=True)
def __repr__(self):
return f'<Category {self.name}>'
class MindMapNode(db.Model):
"""Öffentliche Mindmap-Knoten, die für alle Benutzer sichtbar sind"""
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(100), nullable=False)
description = db.Column(db.Text)
color_code = db.Column(db.String(7))
icon = db.Column(db.String(50))
is_public = db.Column(db.Boolean, default=True)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
created_by_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=True)
category_id = db.Column(db.Integer, db.ForeignKey('category.id'), nullable=True)
__table_args__ = {'extend_existing': True}
# Beziehungen für Baumstruktur (mehrere Eltern möglich)
parents = db.relationship(
'MindMapNode',
secondary=node_relationship,
primaryjoin=(node_relationship.c.child_id == id),
secondaryjoin=(node_relationship.c.parent_id == id),
backref=db.backref('children', lazy='dynamic'),
lazy='dynamic'
)
# Beziehungen zu Gedanken
thoughts = db.relationship('Thought',
secondary=node_thought_association,
backref=db.backref('nodes', lazy='dynamic'))
# Beziehung zum Ersteller
created_by = db.relationship('User', backref='created_nodes')
def __repr__(self):
return f'<MindMapNode {self.name}>'
def to_dict(self):
return {
'id': self.id,
'name': self.name,
'description': self.description,
'color_code': self.color_code,
'icon': self.icon,
'category_id': self.category_id,
'created_at': self.created_at.isoformat() if self.created_at else None
}
class UserMindmap(db.Model):
"""Benutzerspezifische Mindmap, die vom Benutzer personalisierbar ist"""
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(100), nullable=False)
description = db.Column(db.Text)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
last_modified = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
is_private = db.Column(db.Boolean, default=True)
# Beziehungen zu öffentlichen Knoten
public_nodes = db.relationship('MindMapNode',
secondary='user_mindmap_node',
backref=db.backref('in_user_mindmaps', lazy='dynamic'))
# Beziehungen zu Gedanken
thoughts = db.relationship('Thought',
secondary=user_mindmap_thought_association,
backref=db.backref('in_user_mindmaps', lazy='dynamic'))
# Notizen zu dieser Mindmap
notes = db.relationship('MindmapNote', backref='mindmap', lazy=True)
# Beziehungstabelle für benutzerorientierte Mindmaps und öffentliche Knoten
class UserMindmapNode(db.Model):
"""Speichert die Beziehung zwischen Benutzer-Mindmaps und öffentlichen Knoten inkl. Position"""
user_mindmap_id = db.Column(db.Integer, db.ForeignKey('user_mindmap.id'), primary_key=True)
node_id = db.Column(db.Integer, db.ForeignKey('mind_map_node.id'), primary_key=True)
x_position = db.Column(db.Float, default=0) # Position X auf der Mindmap
y_position = db.Column(db.Float, default=0) # Position Y auf der Mindmap
scale = db.Column(db.Float, default=1.0) # Größe des Knotens
added_at = db.Column(db.DateTime, default=datetime.utcnow)
class MindmapNote(db.Model):
"""Private Notizen der Benutzer zu ihrer Mindmap"""
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
mindmap_id = db.Column(db.Integer, db.ForeignKey('user_mindmap.id'), nullable=False)
node_id = db.Column(db.Integer, db.ForeignKey('mind_map_node.id'), nullable=True)
thought_id = db.Column(db.Integer, db.ForeignKey('thought.id'), nullable=True)
content = db.Column(db.Text, nullable=False)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
last_modified = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
color_code = db.Column(db.String(7), default="#FFF59D") # Farbe der Notiz
class Thought(db.Model):
"""Gedanken und Inhalte, die in der Mindmap verknüpft werden können"""
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(200), nullable=False)
content = db.Column(db.Text, nullable=False)
abstract = db.Column(db.Text)
keywords = db.Column(db.String(500))
color_code = db.Column(db.String(7)) # Hex color code
source_type = db.Column(db.String(50)) # PDF, Markdown, Text etc.
branch = db.Column(db.String(100), nullable=False)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
last_modified = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
# Beziehungen
comments = db.relationship('Comment', backref='thought', lazy=True, cascade="all, delete-orphan")
ratings = db.relationship('ThoughtRating', backref='thought', lazy=True)
outgoing_relations = db.relationship(
'ThoughtRelation',
foreign_keys='ThoughtRelation.source_id',
backref='source_thought',
lazy=True
)
incoming_relations = db.relationship(
'ThoughtRelation',
foreign_keys='ThoughtRelation.target_id',
backref='target_thought',
lazy=True
)
@property
def average_rating(self):
if not self.ratings:
return 0
return sum(r.relevance_score for r in self.ratings) / len(self.ratings)
class ThoughtRelation(db.Model):
"""Beziehungen zwischen Gedanken"""
id = db.Column(db.Integer, primary_key=True)
source_id = db.Column(db.Integer, db.ForeignKey('thought.id'), nullable=False)
target_id = db.Column(db.Integer, db.ForeignKey('thought.id'), nullable=False)
relation_type = db.Column(db.Enum(RelationType), nullable=False)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
created_by_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
# Beziehung zum Ersteller
created_by = db.relationship('User', backref='created_relations')
class ThoughtRating(db.Model):
"""Bewertungen von Gedanken durch Benutzer"""
id = db.Column(db.Integer, primary_key=True)
thought_id = db.Column(db.Integer, db.ForeignKey('thought.id'), nullable=False)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
relevance_score = db.Column(db.Integer, nullable=False) # 1-5
created_at = db.Column(db.DateTime, default=datetime.utcnow)
__table_args__ = (
db.UniqueConstraint('thought_id', 'user_id', name='unique_thought_rating'),
)
# Beziehung zum Benutzer
user = db.relationship('User', backref='ratings')
class Comment(db.Model):
"""Kommentare zu Gedanken"""
id = db.Column(db.Integer, primary_key=True)
content = db.Column(db.Text, nullable=False)
thought_id = db.Column(db.Integer, db.ForeignKey('thought.id'), nullable=False)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
last_modified = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
# Thread model
class Thread(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(200), nullable=False)
description = db.Column(db.Text)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
# Relationships
messages = db.relationship('Message', backref='thread', lazy=True, cascade="all, delete-orphan")
def __repr__(self):
return f'<Thread {self.title}>'
# Message model
class Message(db.Model):
id = db.Column(db.Integer, primary_key=True)
content = db.Column(db.Text, nullable=False)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
thread_id = db.Column(db.Integer, db.ForeignKey('thread.id'), nullable=False)
role = db.Column(db.String(20), default="user") # 'user', 'assistant', 'system'
def __repr__(self):
return f'<Message {self.id} by {self.user_id}>'
# Project model
class Project(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(150), nullable=False)
description = db.Column(db.Text)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
category_id = db.Column(db.Integer, db.ForeignKey('category.id'))
# Relationships
documents = db.relationship('Document', backref='project', lazy=True, cascade="all, delete-orphan")
def __repr__(self):
return f'<Project {self.title}>'
# Document model
class Document(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(150), nullable=False)
content = db.Column(db.Text)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
project_id = db.Column(db.Integer, db.ForeignKey('project.id'), nullable=False)
filename = db.Column(db.String(150), nullable=True)
file_path = db.Column(db.String(300), nullable=True)
file_type = db.Column(db.String(50), nullable=True)
file_size = db.Column(db.Integer, nullable=True)
def __repr__(self):
return f'<Document {self.title}>'
# Forum-Kategorie-Modell - entspricht den Hauptknotenpunkten der Mindmap
class ForumCategory(db.Model):
id = db.Column(db.Integer, primary_key=True)
node_id = db.Column(db.Integer, db.ForeignKey('mind_map_node.id'), nullable=False)
title = db.Column(db.String(200), nullable=False)
description = db.Column(db.Text)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
is_active = db.Column(db.Boolean, default=True)
# Beziehungen
node = db.relationship('MindMapNode', backref='forum_category')
posts = db.relationship('ForumPost', backref='category', lazy=True, cascade="all, delete-orphan")
def __repr__(self):
return f'<ForumCategory {self.title}>'
# Forum-Beitrag-Modell
class ForumPost(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(200), nullable=False)
content = db.Column(db.Text, nullable=False)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
category_id = db.Column(db.Integer, db.ForeignKey('forum_category.id'), nullable=False)
parent_id = db.Column(db.Integer, db.ForeignKey('forum_post.id'), nullable=True)
is_pinned = db.Column(db.Boolean, default=False)
is_locked = db.Column(db.Boolean, default=False)
view_count = db.Column(db.Integer, default=0)
# Beziehungen
author = db.relationship('User', backref='forum_posts')
replies = db.relationship('ForumPost', backref=db.backref('parent', remote_side=[id]), lazy=True)
def __repr__(self):
return f'<ForumPost {self.title}>'
# Berechtigungstypen für Mindmap-Freigaben
class PermissionType(Enum):
READ = "Nur-Lesen"
EDIT = "Bearbeiten"
ADMIN = "Administrator"
# Freigabemodell für Mindmaps
class MindmapShare(db.Model):
"""Speichert Informationen über freigegebene Mindmaps und Berechtigungen"""
id = db.Column(db.Integer, primary_key=True)
mindmap_id = db.Column(db.Integer, db.ForeignKey('user_mindmap.id'), nullable=False)
shared_by_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
shared_with_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
permission_type = db.Column(db.Enum(PermissionType), nullable=False, default=PermissionType.READ)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
last_accessed = db.Column(db.DateTime, nullable=True)
# Beziehungen
mindmap = db.relationship('UserMindmap', backref=db.backref('shares', lazy='dynamic'))
shared_by = db.relationship('User', foreign_keys=[shared_by_id], backref=db.backref('shared_mindmaps', lazy='dynamic'))
shared_with = db.relationship('User', foreign_keys=[shared_with_id], backref=db.backref('accessible_mindmaps', lazy='dynamic'))
__table_args__ = (
db.UniqueConstraint('mindmap_id', 'shared_with_id', name='unique_mindmap_share'),
)
def __repr__(self):
return f'<MindmapShare: {self.mindmap_id} - {self.shared_with_id} - {self.permission_type.name}>'
class SocialPost(db.Model):
"""Posts im Social Network"""
id = db.Column(db.Integer, primary_key=True)
content = db.Column(db.Text, nullable=False)
image_url = db.Column(db.String(500), nullable=True) # Bild-URL
video_url = db.Column(db.String(500), nullable=True) # Video-URL
link_url = db.Column(db.String(500), nullable=True) # Link-URL
link_title = db.Column(db.String(200), nullable=True) # Link-Titel
link_description = db.Column(db.Text, nullable=True) # Link-Beschreibung
post_type = db.Column(db.String(20), default='text') # text, image, video, link, thought_share
visibility = db.Column(db.String(20), default='public') # public, friends, private
is_pinned = db.Column(db.Boolean, default=False)
like_count = db.Column(db.Integer, default=0)
comment_count = db.Column(db.Integer, default=0)
share_count = db.Column(db.Integer, default=0)
view_count = db.Column(db.Integer, default=0)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
# Verknüpfung zu Gedanken (falls der Post einen Gedanken teilt)
shared_thought_id = db.Column(db.Integer, db.ForeignKey('thought.id'), nullable=True)
shared_thought = db.relationship('Thought', backref='shared_in_posts')
# Verknüpfung zu Mindmap-Knoten
shared_node_id = db.Column(db.Integer, db.ForeignKey('mind_map_node.id'), nullable=True)
shared_node = db.relationship('MindMapNode', backref='shared_in_posts')
# Kommentare zu diesem Post
comments = db.relationship('SocialComment', backref='post', lazy=True, cascade="all, delete-orphan")
def __repr__(self):
return f'<SocialPost {self.id} by {self.author.username}>'
def to_dict(self):
return {
'id': self.id,
'content': self.content,
'post_type': self.post_type,
'image_url': self.image_url,
'video_url': self.video_url,
'link_url': self.link_url,
'link_title': self.link_title,
'link_description': self.link_description,
'visibility': self.visibility,
'is_pinned': self.is_pinned,
'like_count': self.like_count,
'comment_count': self.comment_count,
'share_count': self.share_count,
'view_count': self.view_count,
'created_at': self.created_at.isoformat(),
'updated_at': self.updated_at.isoformat(),
'author': {
'id': self.author.id,
'username': self.author.username,
'display_name': self.author.display_name or self.author.username,
'avatar': self.author.avatar,
'is_verified': self.author.is_verified
},
'shared_thought': self.shared_thought.to_dict() if self.shared_thought else None,
'shared_node': self.shared_node.to_dict() if self.shared_node else None
}
class SocialComment(db.Model):
"""Kommentare zu Posts"""
id = db.Column(db.Integer, primary_key=True)
content = db.Column(db.Text, nullable=False)
like_count = db.Column(db.Integer, default=0)
reply_count = db.Column(db.Integer, default=0)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
post_id = db.Column(db.Integer, db.ForeignKey('social_post.id'), nullable=False)
parent_id = db.Column(db.Integer, db.ForeignKey('social_comment.id'), nullable=True)
# Antworten auf diesen Kommentar
replies = db.relationship('SocialComment', backref=db.backref('parent', remote_side=[id]), lazy=True)
def __repr__(self):
return f'<SocialComment {self.id} by {self.author.username}>'
def to_dict(self):
return {
'id': self.id,
'content': self.content,
'like_count': self.like_count,
'reply_count': self.reply_count,
'created_at': self.created_at.isoformat(),
'updated_at': self.updated_at.isoformat(),
'author': {
'id': self.author.id,
'username': self.author.username,
'display_name': self.author.display_name or self.author.username,
'avatar': self.author.avatar,
'is_verified': self.author.is_verified
},
'parent_id': self.parent_id
}
class Notification(db.Model):
"""Benachrichtigungen für Benutzer"""
id = db.Column(db.Integer, primary_key=True)
type = db.Column(db.String(50), nullable=False) # follow, like, comment, mention, friend_request, etc.
message = db.Column(db.String(500), nullable=False)
is_read = db.Column(db.Boolean, default=False)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
# Verknüpfungen zu anderen Entitäten
related_user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=True)
related_post_id = db.Column(db.Integer, db.ForeignKey('social_post.id'), nullable=True)
related_comment_id = db.Column(db.Integer, db.ForeignKey('social_comment.id'), nullable=True)
related_thought_id = db.Column(db.Integer, db.ForeignKey('thought.id'), nullable=True)
# Beziehungen
related_user = db.relationship('User', foreign_keys=[related_user_id])
related_post = db.relationship('SocialPost', foreign_keys=[related_post_id])
related_comment = db.relationship('SocialComment', foreign_keys=[related_comment_id])
related_thought = db.relationship('Thought', foreign_keys=[related_thought_id])
def __repr__(self):
return f'<Notification {self.id} for {self.user.username}>'
def to_dict(self):
return {
'id': self.id,
'type': self.type,
'message': self.message,
'is_read': self.is_read,
'created_at': self.created_at.isoformat(),
'related_user': self.related_user.username if self.related_user else None,
'related_post_id': self.related_post_id,
'related_comment_id': self.related_comment_id,
'related_thought_id': self.related_thought_id
}
class UserSettings(db.Model):
"""Benutzereinstellungen"""
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False, unique=True)
# Datenschutz-Einstellungen
profile_visibility = db.Column(db.String(20), default='public') # public, friends, private
show_email = db.Column(db.Boolean, default=False)
show_birth_date = db.Column(db.Boolean, default=False)
show_location = db.Column(db.Boolean, default=True)
allow_friend_requests = db.Column(db.Boolean, default=True)
allow_messages = db.Column(db.String(20), default='everyone') # everyone, friends, none
# Benachrichtigungs-Einstellungen
email_notifications = db.Column(db.Boolean, default=True)
push_notifications = db.Column(db.Boolean, default=True)
notify_on_follow = db.Column(db.Boolean, default=True)
notify_on_like = db.Column(db.Boolean, default=True)
notify_on_comment = db.Column(db.Boolean, default=True)
notify_on_mention = db.Column(db.Boolean, default=True)
notify_on_friend_request = db.Column(db.Boolean, default=True)
# Interface-Einstellungen
dark_mode = db.Column(db.Boolean, default=False)
language = db.Column(db.String(10), default='de')
# Beziehung
user = db.relationship('User', backref=db.backref('settings', uselist=False))
def __repr__(self):
return f'<UserSettings for {self.user.username}>'
class Activity(db.Model):
"""Aktivitätsprotokoll für Benutzer"""
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
action = db.Column(db.String(100), nullable=False) # login, logout, post_created, thought_shared, etc.
description = db.Column(db.String(500), nullable=True)
ip_address = db.Column(db.String(45), nullable=True) # IPv4/IPv6
user_agent = db.Column(db.String(500), nullable=True)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
# Verknüpfungen zu anderen Entitäten
related_post_id = db.Column(db.Integer, db.ForeignKey('social_post.id'), nullable=True)
related_thought_id = db.Column(db.Integer, db.ForeignKey('thought.id'), nullable=True)
related_mindmap_id = db.Column(db.Integer, db.ForeignKey('user_mindmap.id'), nullable=True)
# Beziehungen
user = db.relationship('User', backref='activities')
related_post = db.relationship('SocialPost')
related_thought = db.relationship('Thought')
related_mindmap = db.relationship('UserMindmap')
def __repr__(self):
return f'<Activity {self.action} by {self.user.username}>'