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Filter Iowa bridges by deck condition only, matching the renderer #22

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Merged
TimPurdum merged 1 commit into from
Jun 29, 2026
Merged

Filter Iowa bridges by deck condition only, matching the renderer #22

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16 changes: 5 additions & 11 deletions projects/IowaBridges/IowaBridges/Components/Bridges/BridgeFilterState.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -60,23 +60,17 @@ public string ToDefinitionExpression()
return null;
}

// Build allowed code list from condition fields. Composite condition = min of the three,
// where 'N' means "not applicable" (commonly culverts) — we treat as 99/unknown and skip.
// The Arcade renderer maps:
// 0-4 -> Poor, 5-6 -> Fair, 7-9 -> Good
// For server-side filtering, mirror that by requiring at least one of the three condition
// fields to fall in the matching code set. (Approximate but readable; exact min requires
// server Arcade which the NBI service does not support.)
// Filter on the SAME field the renderer symbolizes by (DECK_COND_058) so the
// visible dot colors always match the checked condition boxes. The renderer maps:
// 0-4 -> Poor (red), 5-6 -> Fair (yellow), 7-9 -> Good (green)
// Filtering on deck condition alone keeps symbology and filtering consistent.

var allowed = new List<string>();
if (ShowPoor) allowed.AddRange(new[] { "0", "1", "2", "3", "4" });
if (ShowFair) allowed.AddRange(new[] { "5", "6" });
if (ShowGood) allowed.AddRange(new[] { "7", "8", "9" });

var quoted = string.Join(",", allowed.Select(c => $"'{c}'"));
return
$"DECK_COND_058 IN ({quoted}) OR " +
$"SUPERSTRUCTURE_COND_059 IN ({quoted}) OR " +
$"SUBSTRUCTURE_COND_060 IN ({quoted})";
return $"DECK_COND_058 IN ({quoted})";
}
}
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