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| Name | Lines | Functions and Methods | CRAP | Classes and Traits | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| SchemaInspector | 100.00% | 25 / 25 | 100.00% | 5 / 5 | 19 | 100.00% | 1 / 1 | |||
| __construct | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | |||||
| getDefaultSchemaGrammar | n/a | 0 / 0 | n/a | 0 / 0 | 0 | |||||
| tables | n/a | 0 / 0 | n/a | 0 / 0 | 0 | |||||
| table | n/a | 0 / 0 | n/a | 0 / 0 | 0 | |||||
| hasTable | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | |||||
| referencingTables | n/a | 0 / 0 | n/a | 0 / 0 | 0 | |||||
| columnTypeMatches | n/a | 0 / 0 | n/a | 0 / 0 | 0 | |||||
| castSafety | 100.00% | 3 / 3 | 100.00% | 1 / 1 | 2 | |||||
| liveTypeFamily | 100.00% | 8 / 8 | 100.00% | 1 / 1 | 8 | |||||
| desiredTypeFamily | 100.00% | 12 / 12 | 100.00% | 1 / 1 | 7 | |||||
| 1 | <?php | |
| 2 | ||
| 3 | declare(strict_types=1); | |
| 4 | ||
| 5 | namespace BlueprintAU\Radiant\Database\Schema\Inspectors; | |
| 6 | ||
| 7 | /** | |
| 8 | * Reads the live schema — the read-side twin of the write-side | |
| 9 | * {@see \BlueprintAU\Radiant\Database\Schema\Grammars\SchemaGrammar}. | |
| 10 | * | |
| 11 | * @template TSchemaGrammar of \BlueprintAU\Radiant\Database\Schema\Grammars\SchemaGrammar = \BlueprintAU\Radiant\Database\Schema\Grammars\SchemaGrammar | |
| 12 | */ | |
| 13 | abstract class SchemaInspector | |
| 14 | { | |
| 15 | /** | |
| 16 | * The dialect's schema grammar — cached (one instantiation per | |
| 17 | * inspector, not per comparison). | |
| 18 | * | |
| 19 | * @var TSchemaGrammar | |
| 20 | */ | |
| 21 | public readonly \BlueprintAU\Radiant\Database\Schema\Grammars\SchemaGrammar $schemaGrammar; | |
| 22 | ||
| 23 | /** | |
| 24 | * Create an inspector over the owning connection's PDO. | |
| 25 | * | |
| 26 | * @param \PDO $pdo | |
| 27 | */ | |
| 28 | public function __construct( | |
| 29 | protected readonly \PDO $pdo, | |
| 30 | ) { | |
| 31 | $this->schemaGrammar = $this->getDefaultSchemaGrammar(); | |
| 32 | } | |
| 33 | ||
| 34 | /** | |
| 35 | * The dialect's schema grammar — the factory hook. | |
| 36 | * | |
| 37 | * @return TSchemaGrammar | |
| 38 | */ | |
| 39 | abstract protected function getDefaultSchemaGrammar(): \BlueprintAU\Radiant\Database\Schema\Grammars\SchemaGrammar; | |
| 40 | ||
| 41 | /** | |
| 42 | * Every table name in the live schema. | |
| 43 | * | |
| 44 | * @return list<string> | |
| 45 | */ | |
| 46 | abstract public function tables(): array; | |
| 47 | ||
| 48 | /** | |
| 49 | * One table's live schema. | |
| 50 | * | |
| 51 | * @param string $name | |
| 52 | * @return LiveTable | |
| 53 | * @throws \RuntimeException | |
| 54 | */ | |
| 55 | abstract public function table(string $name): LiveTable; | |
| 56 | ||
| 57 | /** | |
| 58 | * Whether a table exists in the live schema. | |
| 59 | * | |
| 60 | * @param string $name | |
| 61 | * @return bool | |
| 62 | */ | |
| 63 | final public function hasTable(string $name): bool | |
| 64 | { | |
| 65 | return in_array($name, $this->tables(), true); | |
| 66 | } | |
| 67 | ||
| 68 | /** | |
| 69 | * The live tables that declare a foreign key into the given table — | |
| 70 | * its referencing children. | |
| 71 | * | |
| 72 | * @param string $table | |
| 73 | * @return list<string> | |
| 74 | */ | |
| 75 | abstract public function referencingTables(string $table): array; | |
| 76 | ||
| 77 | /** | |
| 78 | * Whether a live column's native type text matches the declared | |
| 79 | * logical type — the content-drift comparison. | |
| 80 | * | |
| 81 | * @param string $liveType | |
| 82 | * @param \BlueprintAU\Radiant\Database\Schema\Enums\ColumnType $declaredType | |
| 83 | * @param int|null $declaredLength | |
| 84 | * @param int|null $declaredPrecision | |
| 85 | * @param int|null $declaredScale Fractional digits for a decimal column. | |
| 86 | * @return bool | |
| 87 | */ | |
| 88 | abstract public function columnTypeMatches(string $liveType, \BlueprintAU\Radiant\Database\Schema\Enums\ColumnType $declaredType, int|null $declaredLength, int|null $declaredPrecision = null, int|null $declaredScale = null): bool; | |
| 89 | ||
| 90 | /** | |
| 91 | * How safely a live column's values convert to the desired type — | |
| 92 | * the modify-cast classification. The default is lenient (MySQL and | |
| 93 | * SQLite coerce almost anything): a same-family change is Safe, | |
| 94 | * anything else is Risky, and nothing is Uncastable. A stricter | |
| 95 | * dialect (Postgres) overrides this. | |
| 96 | * | |
| 97 | * @param string $liveType | |
| 98 | * @param \BlueprintAU\Radiant\Database\Schema\Enums\ColumnType $desiredType | |
| 99 | * @return \BlueprintAU\Radiant\Database\Schema\Enums\CastSafety | |
| 100 | */ | |
| 101 | public function castSafety(string $liveType, \BlueprintAU\Radiant\Database\Schema\Enums\ColumnType $desiredType): \BlueprintAU\Radiant\Database\Schema\Enums\CastSafety | |
| 102 | { | |
| 103 | return $this->liveTypeFamily($liveType) === $this->desiredTypeFamily($desiredType) | |
| 104 | ? \BlueprintAU\Radiant\Database\Schema\Enums\CastSafety::Safe | |
| 105 | : \BlueprintAU\Radiant\Database\Schema\Enums\CastSafety::Risky; | |
| 106 | } | |
| 107 | ||
| 108 | /** | |
| 109 | * The coarse family a live native type string belongs to. | |
| 110 | * | |
| 111 | * @param string $liveType | |
| 112 | * @return string | |
| 113 | */ | |
| 114 | protected function liveTypeFamily(string $liveType): string | |
| 115 | { | |
| 116 | $base = strtolower(preg_replace('/\(.*$/', '', trim($liveType)) ?? $liveType); | |
| 117 | ||
| 118 | return match (true) { | |
| 119 | str_contains($base, 'int') => 'number', | |
| 120 | in_array($base, ['numeric', 'decimal', 'float', 'double', 'double precision', 'real'], true) => 'number', | |
| 121 | in_array($base, ['bool', 'boolean'], true) => 'bool', | |
| 122 | in_array($base, ['date', 'time', 'timestamp', 'timestamptz', 'datetime'], true) => 'temporal', | |
| 123 | in_array($base, ['json', 'jsonb'], true) => 'json', | |
| 124 | in_array($base, ['blob', 'bytea', 'binary', 'varbinary'], true) => 'binary', | |
| 125 | default => 'string', | |
| 126 | }; | |
| 127 | } | |
| 128 | ||
| 129 | /** | |
| 130 | * The coarse family a desired logical type belongs to. | |
| 131 | * | |
| 132 | * @param \BlueprintAU\Radiant\Database\Schema\Enums\ColumnType $desiredType | |
| 133 | * @return string | |
| 134 | */ | |
| 135 | protected function desiredTypeFamily(\BlueprintAU\Radiant\Database\Schema\Enums\ColumnType $desiredType): string | |
| 136 | { | |
| 137 | return match ($desiredType) { | |
| 138 | \BlueprintAU\Radiant\Database\Schema\Enums\ColumnType::Int, | |
| 139 | \BlueprintAU\Radiant\Database\Schema\Enums\ColumnType::BigInt, | |
| 140 | \BlueprintAU\Radiant\Database\Schema\Enums\ColumnType::Decimal, | |
| 141 | \BlueprintAU\Radiant\Database\Schema\Enums\ColumnType::Float => 'number', | |
| 142 | \BlueprintAU\Radiant\Database\Schema\Enums\ColumnType::Boolean => 'bool', | |
| 143 | \BlueprintAU\Radiant\Database\Schema\Enums\ColumnType::Date, | |
| 144 | \BlueprintAU\Radiant\Database\Schema\Enums\ColumnType::DateTime, | |
| 145 | \BlueprintAU\Radiant\Database\Schema\Enums\ColumnType::Timestamp => 'temporal', | |
| 146 | \BlueprintAU\Radiant\Database\Schema\Enums\ColumnType::Json => 'json', | |
| 147 | \BlueprintAU\Radiant\Database\Schema\Enums\ColumnType::Binary => 'binary', | |
| 148 | default => 'string', | |
| 149 | }; | |
| 150 | } | |
| 151 | } |