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<?php |
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namespace Smindel\GIS\ORM; |
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use SilverStripe\ORM\DB; |
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use Smindel\GIS\ORM\FieldType\DBGeometry; |
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use Smindel\GIS\GIS; |
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trait GISSchemaManager |
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{ |
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// Ellipsoidal spatial data type. |
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public function geography($values) |
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{ |
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return 'geography'; |
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} |
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// Planar spatial data type. |
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public function geometry($values) |
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{ |
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return 'geometry'; |
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} |
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public function translateStGenericFilter($field, $value, $inclusive, $hint) |
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{ |
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$null = $inclusive ? '' : ' OR ' . DB::get_conn()->nullCheckClause($field, true); |
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$fragment = sprintf( |
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'%sST_%s(%s, ST_GeomFromText(?, ?))%s', |
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$inclusive ? '' : 'NOT ', |
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$hint, |
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$field, |
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$null |
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); |
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return [$fragment => [GIS::create($value)->wkt, GIS::create($value)->srid]]; |
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} |
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public function translateStContainsFilter($field, $value, $inclusive, $hint = false) |
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{ |
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return $this->translateStGenericFilter($field, $value, $inclusive, $hint); |
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} |
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public function translateStCrossesFilter($field, $value, $inclusive, $hint = false) |
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{ |
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return $this->translateStGenericFilter($field, $value, $inclusive, $hint); |
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} |
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public function translateStDisjointFilter($field, $value, $inclusive, $hint = false) |
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{ |
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return $this->translateStGenericFilter($field, $value, $inclusive, $hint); |
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} |
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public function translateStDistanceFilter($field, $value, $inclusive) |
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{ |
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$null = $inclusive ? '' : ' OR ' . DB::get_conn()->nullCheckClause($field, true); |
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$fragment = sprintf('ST_Distance(ST_GeomFromText(?, ?),%s) %s ?%s', $field, $inclusive ? '<=' : '> ', $null); |
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$geo = GIS::create($value[0]); |
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$distance = $value[1]; |
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return [$fragment => [$geo->wkt, $geo->srid, $distance]]; |
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} |
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public function translateStEqualsFilter($field, $value, $inclusive, $hint = false) |
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{ |
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return $this->translateStGenericFilter($field, $value, $inclusive, $hint); |
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} |
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public function translateStGeometryTypeFilter($field, $value, $inclusive) |
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{ |
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$null = $inclusive ? '' : ' OR ' . DB::get_conn()->nullCheckClause($field, true); |
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$fragment = sprintf( |
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'%sLOWER(ST_GeometryType(%s)) = ?%s', |
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$inclusive ? '' : 'NOT ', |
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$field, |
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$null |
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); |
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return [$fragment => 'st_' . strtolower($value)]; |
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} |
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public function translateStIntersectsFilter($field, $value, $inclusive, $hint = false) |
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{ |
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return $this->translateStGenericFilter($field, $value, $inclusive, $hint); |
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} |
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public function translateStOverlapsFilter($field, $value, $inclusive, $hint = false) |
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{ |
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return $this->translateStGenericFilter($field, $value, $inclusive, $hint); |
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} |
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public function translateStTouchesFilter($field, $value, $inclusive, $hint = false) |
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{ |
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return $this->translateStGenericFilter($field, $value, $inclusive, $hint); |
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} |
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public function translateStWithinFilter($field, $value, $inclusive, $hint = false) |
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{ |
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return $this->translateStGenericFilter($field, $value, $inclusive, $hint); |
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} |
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public function translateDistanceQuery($geo1, $geo2) |
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{ |
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$geo1 = GIS::create($geo1); |
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$geo2 = GIS::create($geo2); |
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return sprintf("ST_Distance(ST_GeomFromText('%s', %d),ST_GeomFromText('%s', %d))", $geo1->wkt, $geo1->srid, $geo2->wkt, $geo2->srid); |
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} |
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} |
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smindel /
silverstripe-gis
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.