From 5f2c91946ce54d1ee82e31536e50d32f6f580858 Mon Sep 17 00:00:00 2001
From: Jon Wood <jon@blankpad.net>
Date: Mon, 25 Mar 2024 13:11:20 +0000
Subject: [PATCH] Create a basic model for WebPush targets

---
 .../ee286bc4206a_create_webpush_target.py     | 46 +++++++++++++++++++
 models/user.py                                |  8 ++++
 models/web_push.py                            | 22 +++++++++
 3 files changed, 76 insertions(+)
 create mode 100644 migrations/versions/ee286bc4206a_create_webpush_target.py
 create mode 100644 models/web_push.py

diff --git a/migrations/versions/ee286bc4206a_create_webpush_target.py b/migrations/versions/ee286bc4206a_create_webpush_target.py
new file mode 100644
index 000000000..93dd4312b
--- /dev/null
+++ b/migrations/versions/ee286bc4206a_create_webpush_target.py
@@ -0,0 +1,46 @@
+"""create_webpush_target
+
+Revision ID: ee286bc4206a
+Revises: 214878041f05
+Create Date: 2024-03-25 12:52:56.462206
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = "ee286bc4206a"
+down_revision = "214878041f05"
+
+from datetime import datetime
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    op.create_table(
+        "web_push_target",
+        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
+        sa.Column("user_id", sa.Integer(), autoincrement=False, nullable=False),
+        sa.Column("endpoint", sa.String(), nullable=False),
+        sa.Column("expires", sa.DateTime(), nullable=True),
+        sa.Column("subscription_info", sa.JSON(), nullable=False),
+        sa.Column("created", sa.DateTime(), nullable=False, default=datetime.utcnow),
+        sa.PrimaryKeyConstraint("id"),
+        sa.ForeignKeyConstraint(
+            ["user_id"],
+            ["user.id"],
+            name=op.f("fk_web_push_target_mapping_user_id_user_id"),
+        ),
+    )
+    op.create_index(op.f("ix_web_push_target_user_id"), "web_push_target", ["user_id"])
+    op.create_index(
+        op.f("ix_web_push_target_user_id_endpoint"),
+        "web_push_target",
+        ["user_id", "endpoint"],
+    )
+
+
+def downgrade():
+    op.drop_index("ix_web_push_target_user_id")
+    op.drop_index("ix_web_push_target_user_id_endpoint")
+    op.drop_table("web_push_target")
diff --git a/models/user.py b/models/user.py
index 6fb4a9c73..815d9a061 100644
--- a/models/user.py
+++ b/models/user.py
@@ -22,6 +22,7 @@
 from . import bucketise, BaseModel
 from .permission import UserPermission, Permission
 from .volunteer.shift import ShiftEntry
+from .web_push import WebPushTarget
 
 CHECKIN_CODE_LEN = 16
 checkin_code_re = r"[0-9a-zA-Z_-]{%s}" % CHECKIN_CODE_LEN
@@ -290,6 +291,13 @@ class User(BaseModel, UserMixin):
     )
     village = association_proxy("village_membership", "village")
 
+    web_push_targets = db.relationship(
+        "WebPushTarget",
+        cascade="all, delete-orphan",
+        back_populates="user",
+        primaryjoin="WebPushTarget.user_id == User.id",
+    )
+
     def __init__(self, email: str, name: str):
         self.email = email
         self.name = name
diff --git a/models/web_push.py b/models/web_push.py
new file mode 100644
index 000000000..32839054d
--- /dev/null
+++ b/models/web_push.py
@@ -0,0 +1,22 @@
+from datetime import datetime
+from main import db
+
+from . import BaseModel
+
+
+class WebPushTarget(BaseModel):
+    __table_name__ = "web_push_target"
+    id = db.Column(db.Integer, primary_key=True)
+    endpoint = db.Column(db.String, nullable=False)
+    subscription_info = db.Column(db.JSON, nullable=False)
+    expires = db.Column(db.DateTime, nullable=True)
+    user_id = db.Column(db.Integer, db.ForeignKey("user.id"), nullable=False)
+    created = db.Column(db.DateTime, default=datetime.utcnow, nullable=False)
+
+    user = db.relationship("User")
+
+    def __init__(self, user, endpoint, subscription_info, expires=None):
+        self.user = user
+        self.endpoint = endpoint
+        self.subscription_info = subscription_info
+        self.expires = expires