164 lines
6.5 KiB
Python
164 lines
6.5 KiB
Python
# -*- coding: utf-8 -*-
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"""数据库模型"""
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from datetime import datetime
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from werkzeug.security import generate_password_hash, check_password_hash
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from extensions import db
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class Provider(db.Model):
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"""厂商（一个厂商对应多个配置）"""
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__tablename__ = "providers"
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id = db.Column(db.Integer, primary_key=True)
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name = db.Column(db.String(64), nullable=False, unique=True, index=True)
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official_url = db.Column(db.String(512), nullable=True) # 厂商默认官网
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plans = db.relationship("VPSPlan", backref="provider_rel", lazy="dynamic", foreign_keys="VPSPlan.provider_id")
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class User(db.Model):
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"""前台用户"""
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__tablename__ = "users"
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id = db.Column(db.Integer, primary_key=True)
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username = db.Column(db.String(32), nullable=False, unique=True, index=True)
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password_hash = db.Column(db.String(255), nullable=False)
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created_at = db.Column(db.DateTime, nullable=False, default=datetime.utcnow, index=True)
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last_login_at = db.Column(db.DateTime, nullable=True)
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posts = db.relationship(
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"ForumPost",
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backref="author_rel",
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lazy="dynamic",
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cascade="all, delete-orphan",
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foreign_keys="ForumPost.user_id",
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)
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comments = db.relationship(
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"ForumComment",
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backref="author_rel",
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lazy="dynamic",
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cascade="all, delete-orphan",
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foreign_keys="ForumComment.user_id",
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)
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def set_password(self, raw_password):
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self.password_hash = generate_password_hash(raw_password)
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def check_password(self, raw_password):
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if not self.password_hash:
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return False
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return check_password_hash(self.password_hash, raw_password)
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class VPSPlan(db.Model):
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"""云服务器配置/方案（属于某厂商）"""
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__tablename__ = "vps_plans"
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id = db.Column(db.Integer, primary_key=True)
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provider_id = db.Column(db.Integer, db.ForeignKey("providers.id"), nullable=True, index=True) # 关联厂商
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provider = db.Column(db.String(64), nullable=True, index=True) # 冗余显示名，与 provider_id 二选一兼容旧数据
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region = db.Column(db.String(128), nullable=True, index=True) # 保留兼容，不再在表单中填写
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name = db.Column(db.String(128), nullable=True) # 可选，不填则用配置项生成显示
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vcpu = db.Column(db.Integer, nullable=True)
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memory_gb = db.Column(db.Integer, nullable=True)
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storage_gb = db.Column(db.Integer, nullable=True)
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bandwidth_mbps = db.Column(db.Integer, nullable=True)
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traffic = db.Column(db.String(64), nullable=True)
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price_cny = db.Column(db.Float, nullable=True)
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price_usd = db.Column(db.Float, nullable=True)
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currency = db.Column(db.String(8), default="CNY")
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official_url = db.Column(db.String(512), nullable=True) # 该配置详情页，可覆盖厂商默认
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countries = db.Column(db.String(255), nullable=True, index=True)
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price_histories = db.relationship(
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"PriceHistory",
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backref="plan_rel",
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lazy="dynamic",
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cascade="all, delete-orphan",
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foreign_keys="PriceHistory.plan_id",
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)
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@property
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def provider_name(self):
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if self.provider_rel:
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return self.provider_rel.name
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return self.provider or ""
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@property
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def display_name(self):
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"""无规格名称时用配置项生成，如 2核4G 80GB"""
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if self.name and self.name.strip():
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return self.name.strip()
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parts = []
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if self.vcpu is not None:
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parts.append("{}核".format(self.vcpu))
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if self.memory_gb is not None:
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parts.append("{}G".format(self.memory_gb))
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if self.storage_gb is not None:
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parts.append("{}GB".format(self.storage_gb))
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if self.traffic and self.traffic.strip():
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parts.append(self.traffic.strip())
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return " ".join(parts) if parts else "—"
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def to_dict(self):
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return {
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"id": self.id,
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"provider": self.provider_name,
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"region": self.region or "",
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"name": self.display_name,
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"vcpu": self.vcpu,
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"memory_gb": self.memory_gb,
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"storage_gb": self.storage_gb,
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"bandwidth_mbps": self.bandwidth_mbps,
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"traffic": self.traffic or "",
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"price_cny": float(self.price_cny) if self.price_cny is not None else None,
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"price_usd": float(self.price_usd) if self.price_usd is not None else None,
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"currency": self.currency or "CNY",
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"official_url": self.official_url or (self.provider_rel.official_url if self.provider_rel else "") or "",
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"countries": self.countries or "",
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}
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class PriceHistory(db.Model):
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"""配置价格历史快照"""
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__tablename__ = "price_histories"
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id = db.Column(db.Integer, primary_key=True)
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plan_id = db.Column(db.Integer, db.ForeignKey("vps_plans.id"), nullable=False, index=True)
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price_cny = db.Column(db.Float, nullable=True)
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price_usd = db.Column(db.Float, nullable=True)
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currency = db.Column(db.String(8), nullable=False, default="CNY")
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source = db.Column(db.String(32), nullable=True) # manual / import / bootstrap
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captured_at = db.Column(db.DateTime, nullable=False, default=datetime.utcnow, index=True)
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class ForumPost(db.Model):
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"""论坛帖子"""
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__tablename__ = "forum_posts"
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id = db.Column(db.Integer, primary_key=True)
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user_id = db.Column(db.Integer, db.ForeignKey("users.id"), nullable=False, index=True)
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title = db.Column(db.String(160), nullable=False, index=True)
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content = db.Column(db.Text, nullable=False)
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created_at = db.Column(db.DateTime, nullable=False, default=datetime.utcnow, index=True)
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updated_at = db.Column(db.DateTime, nullable=False, default=datetime.utcnow, onupdate=datetime.utcnow)
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comments = db.relationship(
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"ForumComment",
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backref="post_rel",
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lazy="dynamic",
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cascade="all, delete-orphan",
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foreign_keys="ForumComment.post_id",
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)
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class ForumComment(db.Model):
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"""论坛评论"""
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__tablename__ = "forum_comments"
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id = db.Column(db.Integer, primary_key=True)
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post_id = db.Column(db.Integer, db.ForeignKey("forum_posts.id"), nullable=False, index=True)
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user_id = db.Column(db.Integer, db.ForeignKey("users.id"), nullable=False, index=True)
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content = db.Column(db.Text, nullable=False)
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created_at = db.Column(db.DateTime, nullable=False, default=datetime.utcnow, index=True)
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updated_at = db.Column(db.DateTime, nullable=False, default=datetime.utcnow, onupdate=datetime.utcnow)
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