f624b26263
- Add resolve_constraints_in_content() to handle ${constraint.path} patterns
- Integrate into all form loading functions (load_from_file, load_fragment_form, etc)
- Support nested path navigation (e.g., constraints.tracker.udp.max_items)
- Add test_constraint_interpolation() test
fix(nickel-roundtrip): apply constraint interpolation in roundtrip workflow
- Fix execute_form() to use load_from_file() instead of parse_toml()
- Ensures constraints are resolved in roundtrip mode
docs(examples): add constraint interpolation example
- Create examples/05-fragments/constraints.toml
- Update examples/05-fragments/array-trackers.toml to use ${constraint.*}
- Document constraint workflow in examples/05-fragments/README.md
Benefits:
- Single source of truth for validation limits
- Forms auto-resolve constraints at load time
- All layers (Forms, Nickel, Templates) sync automatically
103 lines
2.4 KiB
TOML
103 lines
2.4 KiB
TOML
name = "Tracker Configuration with Arrays"
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description = "Example showing RepeatingGroup arrays for multiple trackers"
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display_mode = "complete"
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# Header
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[[elements]]
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name = "main_header"
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type = "section_header"
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title = "🎯 Tracker Configuration"
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border_top = true
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border_bottom = true
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# Introduction
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[[elements]]
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name = "intro"
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type = "section"
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content = "Configure multiple UDP and HTTP tracker listeners. You can add, edit, or delete trackers as needed."
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# Tracker mode selection
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[[elements]]
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name = "tracker_mode"
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type = "select"
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prompt = "Tracker Mode"
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required = true
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options = [
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{ value = "public", label = "Public Tracker" },
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{ value = "private", label = "Private Tracker" },
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]
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default = "public"
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order = 1
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# UDP Trackers array
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# max_items loaded from constraints.toml via constraint interpolation
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# See constraints.toml to change max_items (default: 4)
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[[elements]]
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name = "udp_trackers"
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type = "repeatinggroup"
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prompt = "UDP Tracker Listeners"
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fragment = "fragments/tracker-udp-item.toml"
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min_items = 0
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max_items = "${constraint.tracker.udp.max_items}"
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default_items = 1
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unique = true
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required = false
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help = "Add UDP tracker listener addresses (must be unique). Standard BitTorrent port is 6969."
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order = 2
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# HTTP Trackers array
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# max_items loaded from constraints.toml via constraint interpolation
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# See constraints.toml to change max_items (default: 4)
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[[elements]]
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name = "http_trackers"
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type = "repeatinggroup"
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prompt = "HTTP Tracker Listeners"
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fragment = "fragments/tracker-http-item.toml"
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min_items = 0
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max_items = "${constraint.tracker.http.max_items}"
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default_items = 1
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unique = true
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required = false
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help = "Add HTTP tracker listener addresses (must be unique). Standard HTTP port is 80, HTTPS is 443."
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order = 3
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# API Configuration section
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[[elements]]
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name = "api_header"
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type = "section_header"
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title = "📡 API Configuration"
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border_top = true
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border_bottom = true
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# API Token
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[[elements]]
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name = "api_token"
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type = "password"
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prompt = "Admin API Token"
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required = true
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help = "Secure token for API authentication"
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order = 4
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# API Port
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[[elements]]
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name = "api_port"
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type = "text"
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prompt = "API Port"
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placeholder = "1212"
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default = "1212"
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required = true
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order = 5
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# Summary
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[[elements]]
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name = "summary_header"
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type = "section_header"
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title = "✅ Configuration Summary"
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border_top = true
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[[elements]]
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name = "summary"
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type = "section"
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content = "Review your tracker configuration above. Click submit to save settings."
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order = 6
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