feat: add conversational RollCalc assistant

2026-08-29 22:37:56 +02:00
parent 3b44048250
commit fa3000b325
25 changed files with 6820 additions and 48 deletions
@@ -0,0 +1,125 @@
+"""Canonical core presets shared by the UI and deterministic services."""
+
+from __future__ import annotations
+
+from dataclasses import dataclass
+import re
+
+
+@dataclass(frozen=True)
+class CorePreset:
+    key: str
+    diameter_mm: float
+    material: str
+    label: str
+    aliases: tuple[str, ...]
+
+    @property
+    def ui_diameter(self) -> str:
+        return f"{self.diameter_mm:g}"
+
+
+CORE_PRESETS = (
+    CorePreset(
+        key="steel_133",
+        diameter_mm=133.0,
+        material="steel",
+        label="133mm Stahl",
+        aliases=(
+            "133 mm Stahl",
+            "133mm Stahlkern",
+            "133 mm Stahlkern",
+            "133mm steel",
+            "133 mm steel",
+            "133mm steel core",
+            "133 mm steel core",
+        ),
+    ),
+    CorePreset(
+        key="pvc_150",
+        diameter_mm=150.0,
+        material="pvc",
+        label="150mm PVC",
+        aliases=(
+            "150 mm PVC",
+            "150mm PVC-Kern",
+            "150 mm PVC-Kern",
+            "150mm plastic core",
+            "150 mm plastic core",
+        ),
+    ),
+    CorePreset(
+        key="pvc_168",
+        diameter_mm=168.0,
+        material="pvc",
+        label="168mm PVC",
+        aliases=(
+            "168 mm PVC",
+            "168mm PVC-Kern",
+            "168 mm PVC-Kern",
+            "168mm plastic core",
+            "168 mm plastic core",
+        ),
+    ),
+    CorePreset(
+        key="steel_194",
+        diameter_mm=194.0,
+        material="steel",
+        label="194mm Stahl",
+        aliases=(
+            "194 mm Stahl",
+            "194mm Stahlkern",
+            "194 mm Stahlkern",
+            "194mm steel",
+            "194 mm steel",
+            "194mm steel core",
+            "194 mm steel core",
+        ),
+    ),
+)
+
+CORE_FAMILY_ALIASES = {
+    "stahl": "steel",
+    "stahlkern": "steel",
+    "stahl kern": "steel",
+    "steel": "steel",
+    "steel core": "steel",
+    "pvc": "pvc",
+    "pvc kern": "pvc",
+    "pvc core": "pvc",
+    "kunststoff": "pvc",
+    "kunststoffkern": "pvc",
+    "kunststoff kern": "pvc",
+    "plastic": "pvc",
+    "plastic core": "pvc",
+}
+
+
+def normalize_core_reference(value: str) -> str:
+    normalized = value.casefold().strip()
+    normalized = re.sub(r"[-_]", " ", normalized)
+    return re.sub(r"\s+", " ", normalized)
+
+
+def core_family(value: str) -> str | None:
+    return CORE_FAMILY_ALIASES.get(normalize_core_reference(value))
+
+
+def matching_core_presets(value: str) -> tuple[CorePreset, ...]:
+    """Return exact preset aliases or all presets in an explicit family alias."""
+    normalized = normalize_core_reference(value)
+    exact = tuple(
+        preset
+        for preset in CORE_PRESETS
+        if normalized
+        in {
+            normalize_core_reference(preset.label),
+            *(normalize_core_reference(alias) for alias in preset.aliases),
+        }
+    )
+    if exact:
+        return exact
+    material = CORE_FAMILY_ALIASES.get(normalized)
+    if material is None:
+        return ()
+    return tuple(preset for preset in CORE_PRESETS if preset.material == material)