- Add SubscriptionPlan model and subscription_plans table (migration 015) - Add billing cycle/period/allow_overage fields to UserProfile (migration 016) - Add subscription_overage_percent config field (replaces overage_factor) - Rewrite check_upload_allowed: use overage_percent, yearly carry-over, no daily cap - Add seed_default_plans(), _plan_to_dict(), get_year_file_count(), _months_elapsed() - Update get_tier/get_all_tiers to be DB-first with TIER_DEFAULTS fallback - Add TIER_DEFAULTS alias (TIERS kept for backward compat) - New /api/plans/ CRUD endpoints (admin-only except list/get) - New /admin/plans Plan Designer page with Alpine.js UI - Add Plan Designer link to admin navigation in base.html - Remove 'Files per day' row from pricing comparison table - Add billing cycle + period start to admin users edit modal - Seed default plans on startup in lifespan handler - Rewrite docs/SubscriptionTiers.md with full plan/overage/API docs - Fix all tests in test_subscription.py (remove daily cap tests, add overage/carry-over tests) Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Subscription Tiers
DocuElevate uses database-backed subscription plans that are fully configurable by admins via the Plan Designer at /admin/plans. Four default tiers are seeded automatically on first startup.
Default Plans
| Plan | Monthly | Yearly | Docs/Month | Lifetime Docs | OCR Pages/Mo | Max File | Mailboxes | Destinations |
|---|---|---|---|---|---|---|---|---|
| Free | $0 | $0 | — | 50 total | 150 total | 5 MB | 0 | 1 |
| Starter | $2.99 | $28.99 | 50 | — | 300 | 25 MB | 1 | 2 |
| Professional | $5.99 | $57.99 | 150 | — | 750 | 100 MB | 3 | 5 |
| Business | $7.99 | $76.99 | 300 | — | 1,500 | Unlimited | Unlimited | 10 |
Prices ex-VAT. German customers add 19% MwSt.
All paid plans include a 30-day free trial.
How Plans Are Stored
Plans are stored in the subscription_plans database table. On application startup, seed_default_plans() is called automatically — if the table is empty, the four built-in defaults are inserted. If plans already exist, the seed is a no-op.
Users are assigned a plan via UserProfile.subscription_tier (stores the plan_id string). The subscription utility functions (get_tier, get_all_tiers) query the database first and fall back to the hard-coded TIER_DEFAULTS dict if the database is unavailable or the plan doesn't exist.
Overage Buffer
Announced vs. Enforced Limit
DocuElevate uses a soft-limit overage buffer that is invisible to users:
- The announced limit is what appears on the pricing page (e.g., "150 docs/month").
- The enforced limit = announced × (1 + overage_percent / 100).
- With the default 20% buffer: a 150-doc plan enforces at 180 docs.
- This prevents hard cutoffs at the exact announced limit, giving users a graceful landing.
Per-Plan vs. Global Buffer
Each plan has its own overage_percent field (set in the Plan Designer). There is also a global fallback: settings.subscription_overage_percent (default: 20, range: 0–200), which applies when a plan does not have an explicit value.
Set subscription_overage_percent=0 in your .env to enforce exactly at the announced limit with no buffer.
Yearly Billing & Carry-Over
When a user's subscription_billing_cycle is set to yearly:
- Unused quota from earlier months rolls forward automatically.
- Enforcement =
monthly_limit × months_elapsed × overage_factor(cumulative budget from the subscription start date). - Example: A 50-doc/month Starter plan in month 3 of its annual period has a cumulative budget of 150 docs (plus overage buffer). If the user only used 20 docs in months 1–2, they can use 130 docs in month 3.
- The
subscription_period_startfield onUserProfiletracks the start of the annual period.
No Daily Cap
daily_upload_limit is kept for display and future reference only — it is never enforced. All enforcement is lifetime (free tier) or monthly/cumulative-yearly (paid tiers).
allow_overage Flag
Setting UserProfile.allow_overage = True bypasses monthly quota checks entirely for that user. Usage is still tracked so future billing integrations can charge retroactively. This field is not yet exposed in the admin UI.
Plan Designer
Navigate to /admin/plans (admin only) to:
- View all plans (active and inactive) with key stats.
- Create a new plan with a custom
plan_idslug. - Edit any plan's pricing, limits, overage buffer, features, and display settings.
- Reorder plans using the up/down arrows (order reflects pricing page display order).
- Delete a plan (does not affect existing users assigned to it).
- Restore Defaults — seeds the four built-in plans (no-op if plans already exist).
Overage Designer
The Plan Designer includes an overage slider (0–100%). The live preview shows:
"Announce X docs, enforce at Y docs"
Overage billing and per-doc overage pricing are planned future features (currently disabled in the UI).
API Endpoints
All plan endpoints are under /api/plans/.
| Method | Path | Auth | Description |
|---|---|---|---|
GET |
/api/plans/ |
Public | List active plans in sort order |
GET |
/api/plans/admin |
Admin | List all plans including inactive |
POST |
/api/plans/?plan_id=<id> |
Admin | Create a new plan |
GET |
/api/plans/{plan_id} |
Public | Get a single active plan |
PUT |
/api/plans/{plan_id} |
Admin | Update an existing plan |
DELETE |
/api/plans/{plan_id} |
Admin | Delete a plan |
POST |
/api/plans/seed |
Admin | Seed default plans (no-op if non-empty) |
POST |
/api/plans/reorder |
Admin | Update sort order; body: {"order": ["free", "starter", ...]} |
Example: List Active Plans
curl http://localhost:8000/api/plans/
Example: Update a Plan's Monthly Limit
curl -X PUT http://localhost:8000/api/plans/starter \
-H "Content-Type: application/json" \
-d '{
"name": "Starter",
"monthly_upload_limit": 75,
"overage_percent": 15,
...
}'
Configuration
| Variable | Default | Description |
|---|---|---|
SUBSCRIPTION_OVERAGE_PERCENT |
20 |
Global overage buffer (0–200). Per-plan setting overrides this. |
See docs/ConfigurationGuide.md for all available settings.