Add selectable time range to statistics

backend/alembic/versions/f3a5b7c9d1e2_add_statistics_range_to_usersettings.py

@@ -0,0 +1,30 @@
+"""add statistics range to usersettings
+
+Revision ID: f3a5b7c9d1e2
+Revises: c3d4e5f6a7b8
+Create Date: 2026-09-08 15:30:00.000000
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'f3a5b7c9d1e2'
+down_revision: Union[str, Sequence[str], None] = 'c3d4e5f6a7b8'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.add_column('usersettings', sa.Column('statistics_range', sa.String(length=20), nullable=False, server_default='alltime'))
+    op.add_column('usersettings', sa.Column('statistics_custom_from', sa.Date(), nullable=True))
+    op.add_column('usersettings', sa.Column('statistics_custom_to', sa.Date(), nullable=True))
+
+
+def downgrade() -> None:
+    op.drop_column('usersettings', 'statistics_custom_to')
+    op.drop_column('usersettings', 'statistics_custom_from')
+    op.drop_column('usersettings', 'statistics_range')

backend/app/models.py

@@ -2,7 +2,7 @@
 
 from enum import Enum
 from typing import Optional
-from datetime import datetime, timezone
+from datetime import date, datetime, timezone
 
 import sqlalchemy as sa
 from pydantic import model_validator
@@ -192,6 +192,9 @@ class UserSettings(SQLModel, table=True):
     goal_books_per_year_enabled: bool = Field(default=False)
     goal_books_per_year: int = Field(default=25, ge=1)
     gamification_enabled: bool = Field(default=True)
+    statistics_range: str = Field(default="alltime", max_length=20)
+    statistics_custom_from: Optional[date] = Field(default=None)
+    statistics_custom_to: Optional[date] = Field(default=None)
 
 
 class ApiKey(SQLModel, table=True):

backend/app/routers/profile.py

@@ -36,6 +36,7 @@
     UserSettingsRead,
     UserSettingsUpdate,
 )
+from app.routers.statistics import MAX_CUSTOM_RANGE_DAYS
 from app.time_utils import utcnow
 from app.services.user_deletion import (
     assert_not_last_admin,
@@ -113,6 +114,9 @@ def get_settings(
         goal_books_per_year_enabled=settings.goal_books_per_year_enabled,
         goal_books_per_year=settings.goal_books_per_year,
         gamification_enabled=settings.gamification_enabled,
+        statistics_range=settings.statistics_range,
+        statistics_custom_from=settings.statistics_custom_from,
+        statistics_custom_to=settings.statistics_custom_to,
     )
 
 
@@ -130,6 +134,17 @@ def update_settings(
     if not settings:
         settings = UserSettings(user_id=current_user.id, language="en")
     update_data = body.model_dump(exclude_unset=True)
+    if "statistics_range" in update_data and update_data["statistics_range"] is None:
+        raise HTTPException(status_code=422, detail="statistics_range cannot be null")
+    custom_from = update_data.get("statistics_custom_from", settings.statistics_custom_from)
+    custom_to = update_data.get("statistics_custom_to", settings.statistics_custom_to)
+    statistics_range = update_data.get("statistics_range", settings.statistics_range)
+    if statistics_range == "custom" and (custom_from is None or custom_to is None):
+        raise HTTPException(status_code=422, detail="Custom range requires both dates")
+    if custom_from is not None and custom_to is not None and custom_from > custom_to:
+        raise HTTPException(status_code=422, detail="statistics_custom_from cannot be after statistics_custom_to")
+    if custom_from is not None and custom_to is not None and (custom_to - custom_from).days > MAX_CUSTOM_RANGE_DAYS:
+        raise HTTPException(status_code=422, detail="Statistics custom range cannot exceed 25 years")
     settings.sqlmodel_update(update_data)
     if settings.theme != 'custom':
         settings.custom_theme = None
@@ -151,6 +166,9 @@ def update_settings(
         goal_books_per_year_enabled=settings.goal_books_per_year_enabled,
         goal_books_per_year=settings.goal_books_per_year,
         gamification_enabled=settings.gamification_enabled,
+        statistics_range=settings.statistics_range,
+        statistics_custom_from=settings.statistics_custom_from,
+        statistics_custom_to=settings.statistics_custom_to,
     )