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adding support for sqlsrv driver #229

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adding support for sqlsrv driver #229

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58 changes: 37 additions & 21 deletions src/SearchableTrait.php
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Original file line number Diff line number Diff line change
Expand Up @@ -27,8 +27,8 @@ trait SearchableTrait
* @param \Illuminate\Database\Eloquent\Builder $q
* @param string $search
* @param float|null $threshold
* @param boolean $entireText
* @param boolean $entireTextOnly
* @param boolean $entireText
* @param boolean $entireTextOnly
* @return \Illuminate\Database\Eloquent\Builder
*/
public function scopeSearch(Builder $q, $search, $threshold = null, $entireText = false, $entireTextOnly = false)
Expand All @@ -39,11 +39,15 @@ public function scopeSearch(Builder $q, $search, $threshold = null, $entireText
public function scopeSearchRestricted(Builder $q, $search, $restriction, $threshold = null, $entireText = false, $entireTextOnly = false)
{
$query = clone $q;
$query->select($this->getTable() . '.*');
if ($this->isSqlsrvDatabase()) {
$query->select(DB::raw('TOP 100 PERCENT ' . $this->getTable() . '.*'));
} else {
$query->select($this->getTable() . '.*');
}

$this->makeJoins($query);

if ($search === false)
{
if ($search === false) {
return $q;
}

Expand All @@ -58,8 +62,7 @@ public function scopeSearchRestricted(Builder $q, $search, $restriction, $thresh
$this->search_bindings = [];
$relevance_count = 0;

foreach ($this->getColumns() as $column => $relevance)
{
foreach ($this->getColumns() as $column => $relevance) {
$relevance_count += $relevance;

if (!$entireTextOnly) {
Expand All @@ -68,14 +71,12 @@ public function scopeSearchRestricted(Builder $q, $search, $restriction, $thresh
$queries = [];
}

if ( ($entireText === true && count($words) > 1) || $entireTextOnly === true )
{
if (($entireText === true && count($words) > 1) || $entireTextOnly === true) {
$queries[] = $this->getSearchQuery($column, $relevance, [$search], 50, '', '');
$queries[] = $this->getSearchQuery($column, $relevance, [$search], 30, '%', '%');
}

foreach ($queries as $select)
{
foreach ($queries as $select) {
if (!empty($select)) {
$selects[] = $select;
}
Expand All @@ -95,7 +96,7 @@ public function scopeSearchRestricted(Builder $q, $search, $restriction, $thresh

$this->makeGroupBy($query);

if(is_callable($restriction)) {
if (is_callable($restriction)) {
$query = $restriction($query);
}

Expand All @@ -109,7 +110,8 @@ public function scopeSearchRestricted(Builder $q, $search, $restriction, $thresh
*
* @return array
*/
protected function getDatabaseDriver() {
protected function getDatabaseDriver()
{
$key = $this->connection ?: Config::get('database.default');
return Config::get('database.connections.' . $key . '.driver');
}
Expand All @@ -125,7 +127,7 @@ protected function getColumns()
$driver = $this->getDatabaseDriver();
$prefix = Config::get("database.connections.$driver.prefix");
$columns = [];
foreach($this->searchable['columns'] as $column => $priority){
foreach ($this->searchable['columns'] as $column => $priority) {
$columns[$prefix . $column] = $priority;
}
return $columns;
Expand Down Expand Up @@ -155,7 +157,11 @@ protected function getGroupBy()
*/
public function getTableColumns()
{
return $this->searchable['table_columns'];
return collect(DB::connection($this->connection)->getSchemaBuilder()->getColumnListing($this->getTable()))
->map(function ($item) {
return $this->getTable() . '.' . $item;
})
->toArray();
}

/**
Expand Down Expand Up @@ -198,7 +204,7 @@ protected function makeGroupBy(Builder $query)
if ($this->isSqlsrvDatabase()) {
$columns = $this->getTableColumns();
} else {
$columns = $this->getTable() . '.' .$this->primaryKey;
$columns = $this->getTable() . '.' . $this->primaryKey;
}

$query->groupBy($columns);
Expand Down Expand Up @@ -249,7 +255,7 @@ protected function filterQueryWithRelevance(Builder $query, array $selects, $rel
{
$comparator = $this->isMysqlDatabase() ? $this->getRelevanceField() : implode(' + ', $selects);

$relevance_count=number_format($relevance_count,2,'.','');
$relevance_count = number_format($relevance_count, 2, '.', '');

if ($this->isMysqlDatabase()) {
$bindings = [];
Expand Down Expand Up @@ -307,8 +313,7 @@ protected function getSearchQuery($column, $relevance, array $words, $relevance_
$like_comparator = $this->isPostgresqlDatabase() ? 'ILIKE' : 'LIKE';
$cases = [];

foreach ($words as $word)
{
foreach ($words as $word) {
$cases[] = $this->getCaseCompare($column, $like_comparator, $relevance * $relevance_multiplier);
$this->search_bindings[] = $pre_word . $word . $post_word;
}
Expand All @@ -334,12 +339,20 @@ private function isPostgresqlDatabase()
* @param float $relevance
* @return string
*/
protected function getCaseCompare($column, $compare, $relevance) {
protected function getCaseCompare($column, $compare, $relevance)
{

if ($this->isPostgresqlDatabase()) {
$field = "LOWER(" . $column . ") " . $compare . " ?";
return '(case when ' . $field . ' then ' . $relevance . ' else 0 end)';
}

if ($this->isSqlsrvDatabase()) {
$column = str_replace('.', '].[', $column);
$field = "LOWER([" . $column . "]) " . $compare . " ?";
return '(case when ' . $field . ' then ' . $relevance . ' else 0 end)';
}

$column = str_replace('.', '`.`', $column);
$field = "LOWER(`" . $column . "`) " . $compare . " ?";
return '(case when ' . $field . ' then ' . $relevance . ' else 0 end)';
Expand All @@ -351,10 +364,13 @@ protected function getCaseCompare($column, $compare, $relevance) {
* @param \Illuminate\Database\Eloquent\Builder $clone
* @param \Illuminate\Database\Eloquent\Builder $original
*/
protected function mergeQueries(Builder $clone, Builder $original) {
protected function mergeQueries(Builder $clone, Builder $original)
{
$tableName = DB::connection($this->connection)->getTablePrefix() . $this->getTable();
if ($this->isPostgresqlDatabase()) {
$original->from(DB::connection($this->connection)->raw("({$clone->toSql()}) as {$tableName}"));
} elseif ($this->isSqlsrvDatabase()) {
$original->from(DB::connection($this->connection)->raw("({$clone->toSql()}) as [{$tableName}]"));
} else {
$original->from(DB::connection($this->connection)->raw("({$clone->toSql()}) as `{$tableName}`"));
}
Expand Down