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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,155 @@ | ||
| <?php | ||
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| namespace Tina4; | ||
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| class SQL implements \JsonSerializable | ||
| { | ||
| public $ORM; | ||
| public $fields; | ||
| public $tableName; | ||
| public $join; | ||
| public $filter; | ||
| public $groupBy; | ||
| public $having; | ||
| public $orderBy; | ||
| public $nextAnd="join"; | ||
| public $limit; | ||
|
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| public function __construct($ORM) | ||
| { | ||
| $this->ORM = clone $ORM; | ||
| } | ||
|
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| public function select($fields="*", $limit=10) | ||
| { | ||
| if (is_array($fields)) { | ||
| $this->fields = $fields; | ||
| } else { | ||
| $this->fields = explode(",", $fields); | ||
| } | ||
| $this->limit = $limit; | ||
| return $this; | ||
| } | ||
|
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| function from($tableName) { | ||
| $this->tableName = $tableName; | ||
| return $this; | ||
| } | ||
|
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| function where ($filter) { | ||
| $this->nextAnd = "where"; | ||
| $this->filter[] = ["where", $filter]; | ||
| return $this; | ||
| } | ||
|
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| function and ($filter) { | ||
| if ($this->nextAnd == "join") { | ||
| $this->join[] = ["and", $filter]; | ||
| }else if ($this->nextAnd == "having") { | ||
| $this->having[] = ["and", $filter]; | ||
| } | ||
| else { | ||
| $this->filter[] = ["and", $filter]; | ||
| } | ||
| return $this; | ||
| } | ||
|
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| function or ($filter) { | ||
| $this->filter[] = ["or", $filter]; | ||
| return $this; | ||
| } | ||
|
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| function join ($tableName) { | ||
| $this->nextAnd = "join"; | ||
| $this->join[] = ["join", tableName]; | ||
| return $this; | ||
| } | ||
|
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| function leftJoin ($tableName) { | ||
| $this->nextAnd = "join"; | ||
| $this->join[] = ["left join", tableName]; | ||
| return $this; | ||
| } | ||
|
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| function on ($filter) { | ||
| $this->join[] = ["on", $filter]; | ||
| return $this; | ||
| } | ||
|
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| function groupBy ($fields) { | ||
| if (is_array($fields)) { | ||
| $this->groupBy = $fields; | ||
| } else { | ||
| $this->groupBy = explode(",", $fields); | ||
| } | ||
| return $this; | ||
| } | ||
|
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| function having ($filter) { | ||
| $this->nextAnd = "having"; | ||
| $this->having[] = ["having", $filter]; | ||
| return $this; | ||
| } | ||
|
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||
| function orderBy ($fields) { | ||
| if (is_array($fields)) { | ||
| $this->orderBy = $fields; | ||
| } else { | ||
| $this->orderBy = explode(",", $fields); | ||
| } | ||
| return $this; | ||
| } | ||
|
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||
| function generateSQLStatement() { | ||
| $sql = "select\t".join(",\n\t", $this->fields)."\nfrom\t{$this->tableName}\n"; | ||
| if (!empty($this->join) && is_array($this->join)) { | ||
| foreach ($this->join as $join) { | ||
| $sql .= $join[0]. " ".$join[1]; | ||
| } | ||
| } | ||
|
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||
| if (!empty($this->filter) && is_array($this->filter)) { | ||
| foreach ($this->filter as $filter) { | ||
| $sql .= "".$filter[0]. "\t".$filter[1]."\n"; | ||
| } | ||
| } | ||
|
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| if (!empty($this->groupBy) && is_array($this->groupBy)) { | ||
| $sql .= "group by ".join (",", $this->groupBy)."\n"; | ||
| } | ||
|
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| if (!empty($this->having) && is_array($this->having)) { | ||
| foreach ($this->having as $filter) { | ||
| $sql .= $filter[0]. "\t".$filter[1]."\n"; | ||
| } | ||
| } | ||
|
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| return $sql; | ||
| } | ||
|
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| /** | ||
| * Makes a neat JSON response | ||
| */ | ||
| public function jsonSerialize() { | ||
| //run the query | ||
| $sqlStatement = $this->generateSQLStatement(); | ||
| if (!empty($this->ORM) && !empty($this->ORM->DBA)) { | ||
| $result = $this->ORM->DBA->fetch ($sqlStatement, $this->limit)->records(); | ||
| $records = []; | ||
| //transform the records into an array of the ORM | ||
| foreach ($result as $id => $data) { | ||
| $record = clone $this->ORM; | ||
| $record->create($data); | ||
| $record->id = $id; | ||
| $records[] = $record; | ||
| } | ||
| } else { | ||
| $records = ["error" => "No database connection or ORM specified"]; | ||
| } | ||
|
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|
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| return $records; | ||
| } | ||
|
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|
|
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| } |
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