|
| 1 | +from biofilter.db.base import Base |
| 2 | +from sqlalchemy.orm import relationship |
| 3 | +from sqlalchemy import Column, Integer, String, ForeignKey, Text |
| 4 | + |
| 5 | + |
| 6 | +class DiseaseGroup(Base): |
| 7 | + """ |
| 8 | + Reference table for disease subsets (tags). |
| 9 | + Example: rare, gard_rare, nord_rare, otar. |
| 10 | + """ |
| 11 | + __tablename__ = "disease_groups" |
| 12 | + |
| 13 | + id = Column(Integer, primary_key=True, autoincrement=True) |
| 14 | + name = Column(String(100), unique=True, nullable=False) |
| 15 | + description = Column(String(255), nullable=True) |
| 16 | + |
| 17 | + data_source_id = Column( |
| 18 | + Integer, |
| 19 | + ForeignKey("etl_data_sources.id", ondelete="CASCADE"), |
| 20 | + nullable=True, |
| 21 | + ) |
| 22 | + data_source = relationship("ETLDataSource", passive_deletes=True) |
| 23 | + |
| 24 | + etl_package_id = Column( |
| 25 | + Integer, |
| 26 | + ForeignKey("etl_packages.id", ondelete="CASCADE"), |
| 27 | + nullable=True, |
| 28 | + ) |
| 29 | + etl_package = relationship("ETLPackage", passive_deletes=True) |
| 30 | + |
| 31 | + # Relationships |
| 32 | + memberships = relationship( |
| 33 | + "DiseaseGroupMembership", back_populates="group", cascade="all, delete-orphan" |
| 34 | + ) |
| 35 | + |
| 36 | + |
| 37 | +class DiseaseGroupMembership(Base): |
| 38 | + """ |
| 39 | + Linking table between DiseaseMaster and DiseaseGroup. |
| 40 | + One disease can have multiple groups, and each group can apply to many diseases. |
| 41 | + """ |
| 42 | + __tablename__ = "disease_group_memberships" |
| 43 | + |
| 44 | + id = Column(Integer, primary_key=True, autoincrement=True) |
| 45 | + |
| 46 | + disease_id = Column(Integer, ForeignKey("disease_masters.id", ondelete="CASCADE")) |
| 47 | + disease = relationship("DiseaseMaster", back_populates="group_memberships") |
| 48 | + |
| 49 | + group_id = Column(Integer, ForeignKey("disease_groups.id", ondelete="CASCADE")) |
| 50 | + group = relationship("DiseaseGroup", back_populates="memberships") |
| 51 | + |
| 52 | + data_source_id = Column( |
| 53 | + Integer, |
| 54 | + ForeignKey("etl_data_sources.id", ondelete="CASCADE"), |
| 55 | + nullable=True, |
| 56 | + ) |
| 57 | + data_source = relationship("ETLDataSource", passive_deletes=True) |
| 58 | + |
| 59 | + etl_package_id = Column( |
| 60 | + Integer, |
| 61 | + ForeignKey("etl_packages.id", ondelete="CASCADE"), |
| 62 | + nullable=True, |
| 63 | + ) |
| 64 | + etl_package = relationship("ETLPackage", passive_deletes=True) |
| 65 | + |
| 66 | + |
| 67 | +class DiseaseMaster(Base): |
| 68 | + """ |
| 69 | + Canonical representation of diseases in Biofilter3R. |
| 70 | +
|
| 71 | + Each disease is linked to a unique Biofilter Entity (`entity_id`) and |
| 72 | + identified by a MONDO ID (preferred primary identifier). |
| 73 | + The description provides a human-readable label or definition. |
| 74 | + Provenance is tracked via the originating DataSource and ETLPackage. |
| 75 | +
|
| 76 | + Relationships: |
| 77 | + - entity: Unique entity representation for the disease |
| 78 | + - group_memberships: Links to DiseaseGroup through DiseaseGroupMembership |
| 79 | + """ |
| 80 | + |
| 81 | + __tablename__ = "disease_masters" |
| 82 | + |
| 83 | + id = Column(Integer, primary_key=True, autoincrement=True) |
| 84 | + |
| 85 | + disease_id = Column(String(50), nullable=False, index=True, unique=True) |
| 86 | + label = Column(String(255), nullable=True) |
| 87 | + description = Column(Text, nullable=True) |
| 88 | + |
| 89 | + # Omic status (like in GeneMaster) |
| 90 | + omic_status_id = Column( |
| 91 | + Integer, |
| 92 | + ForeignKey("omic_status.id", ondelete="SET NULL"), |
| 93 | + nullable=True, |
| 94 | + ) |
| 95 | + omic_status = relationship("OmicStatus") |
| 96 | + |
| 97 | + # Links to the central Entity table |
| 98 | + entity_id = Column( |
| 99 | + Integer, ForeignKey("entities.id", ondelete="CASCADE"), nullable=False |
| 100 | + ) |
| 101 | + entity = relationship("Entity", passive_deletes=True) |
| 102 | + |
| 103 | + # Provenance |
| 104 | + data_source_id = Column( |
| 105 | + Integer, |
| 106 | + ForeignKey("etl_data_sources.id", ondelete="CASCADE"), |
| 107 | + nullable=True, |
| 108 | + ) |
| 109 | + data_source = relationship("ETLDataSource", passive_deletes=True) |
| 110 | + |
| 111 | + etl_package_id = Column( |
| 112 | + Integer, |
| 113 | + ForeignKey("etl_packages.id", ondelete="CASCADE"), |
| 114 | + nullable=True, |
| 115 | + ) |
| 116 | + etl_package = relationship("ETLPackage", passive_deletes=True) |
| 117 | + |
| 118 | + # Relationships |
| 119 | + group_memberships = relationship( |
| 120 | + "DiseaseGroupMembership", back_populates="disease", cascade="all, delete-orphan" |
| 121 | + ) |
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