Query database (#76)

Add database query

Close #5

docs/README.md

@@ -5,6 +5,8 @@
 - [Find a page](./how-to/find-a-page.md)
 - [Update a page](./how-to/update-a-page.md)
 - [Delete a page](./how-to/delete-a-page.md)
+- [List database pages](./how-to/list-database-pages.md)
+- [Query database](./how-to/query-database.md)
 
 ## Blocks
 

docs/how-to/list-database-pages.md

@@ -0,0 +1,18 @@
+# List database pages
+
+```php
+<?php
+
+use Notion\Notion;
+
+$token = $_ENV["NOTION_SECRET"];
+
+$notion = Notion::create($token);
+
+$databaseId = "c986d7b0-7051-4f18-b165-cc0b9503ffc2";
+$database = $notion->databases()->find($pageId);
+
+$pages = $notion->databases()->queryAllPages($database);
+
+count($pages);
+```

docs/how-to/query-database.md

@@ -0,0 +1,35 @@
+# Query database
+
+```php
+<?php
+
+use Notion\Notion;
+use Notion\Databases\Query;
+use Notion\Databases\Query\CompoundFilter;
+use Notion\Databases\Query\DateFilter;
+use Notion\Databases\Query\Sort;
+use Notion\Databases\Query\TextFilter;
+
+$token = $_ENV["NOTION_SECRET"];
+
+$notion = Notion::create($token);
+
+$databaseId = "c986d7b0-7051-4f18-b165-cc0b9503ffc2";
+$database = $notion->databases()->find($pageId);
+
+$query = Query::create()
+    ->withFilter(
+        CompoundFilter::and(
+            DateFilter::createdTime::pastWeek(),
+            TextFilter::property("Name")->contains("John"),
+        )
+    )
+    ->withAddedSort(Sort::property("Name")->ascending())
+    ->withPageSize(20);
+
+$result = $notion->databases()->query($database, $query);
+
+$pages = $result->pages(); // array of Page
+$result->hasMore(); // true or false
+$result->nextCursor() // cursor ID or null
+```

src/Databases/Client.php

@@ -2,12 +2,16 @@
 
 namespace Notion\Databases;
 
+use Notion\Databases\Query\Result;
+use Notion\Databases\Query\Sort;
 use Notion\NotionException;
+use Notion\Pages\Page;
 use Psr\Http\Client\ClientInterface;
 use Psr\Http\Message\RequestFactoryInterface;
 
 /**
  * @psalm-import-type DatabaseJson from Database
+ * @psalm-import-type QueryResultJson from Result
  */
 class Client
 {
@@ -137,4 +141,64 @@ public function delete(Database $database): void
             throw new NotionException($message, $code);
         }
     }
+
+    public function query(Database $database, Query $query): Result
+    {
+        $data = $query->toArray();
+
+        $databaseId = $database->id();
+        $url = "https://api.notion.com/v1/databases/{$databaseId}/query";
+        $request = $this->requestFactory->createRequest("POST", $url)
+            ->withHeader("Authorization", "Bearer {$this->token}")
+            ->withHeader("Notion-Version", $this->version)
+            ->withHeader("Content-Type", "application/json");
+
+        $request->getBody()->write(json_encode($data));
+
+        $response = $this->psrClient->sendRequest($request);
+
+        /** @var array */
+        $body = json_decode((string) $response->getBody(), true);
+
+        if ($response->getStatusCode() !== 200) {
+            /** @var array{ message: string, code: string} $body */
+            $message = $body["message"];
+            $code = $body["code"];
+
+            throw new NotionException($message, $code);
+        }
+
+        /** @psalm-var QueryResultJson $body */
+        return Result::fromArray($body);
+    }
+
+    /**
+     * @param list<Sort> $sorts
+     *
+     * @return list<Page>
+     */
+    public function queryAllPages(Database $database, array $sorts = []): array
+    {
+        $query = Query::create()
+                    ->withSorts($sorts)
+                    ->withPageSize(Query::MAX_PAGE_SIZE);
+
+        $pages = [];
+        $startCursor = null;
+        $hasMore = true;
+
+        while ($hasMore) {
+            if ($startCursor !== null) {
+                $query = $query->withStartCursor($startCursor);
+            }
+
+            $result = $this->query($database, $query);
+
+            $pages = array_merge($pages, $result->pages());
+            $hasMore = $result->hasMore();
+            $startCursor = $result->nextCursor();
+        }
+
+        return $pages;
+    }
 }

src/Databases/Query.php

@@ -0,0 +1,117 @@
+<?php
+
+namespace Notion\Databases;
+
+use Exception;
+use Notion\Databases\Query\Filter;
+use Notion\Databases\Query\Sort;
+
+/** @psalm-immutable */
+class Query
+{
+    public const MAX_PAGE_SIZE = 100;
+
+    private Filter|null $filter;
+
+    /** @var list<Sort> */
+    private array $sorts;
+
+    private string|null $startCursor;
+
+    private int $pageSize;
+
+    /** @param list<Sort> $sorts */
+    private function __construct(
+        Filter|null $filter,
+        array $sorts,
+        string|null $startCursor,
+        int $pageSize
+    ) {
+        $this->filter = $filter;
+        $this->sorts = $sorts;
+        $this->startCursor = $startCursor;
+        $this->pageSize = $pageSize;
+    }
+
+    public static function create(): self
+    {
+        return new self(null, [], null, self::MAX_PAGE_SIZE);
+    }
+
+    public function withFilter(Filter $filter): self
+    {
+        return new self($filter, $this->sorts, $this->startCursor, $this->pageSize);
+    }
+
+    /** Add new sort with lowest priority */
+    public function withAddedSort(Sort $sort): self
+    {
+        $sorts = $this->sorts;
+        $sorts[] = $sort;
+
+        return new self($this->filter, $sorts, $this->startCursor, $this->pageSize);
+    }
+
+    /**
+     * Replace all sorts
+     *
+     * @param list<Sort> $sorts
+     */
+    public function withSorts(array $sorts): self
+    {
+        return new self($this->filter, $sorts, $this->startCursor, $this->pageSize);
+    }
+
+    public function withStartCursor(string $startCursor): self
+    {
+        return new self($this->filter, $this->sorts, $startCursor, $this->pageSize);
+    }
+
+    public function withPageSize(int $pageSize): self
+    {
+        if ($pageSize < 0 || $pageSize > self::MAX_PAGE_SIZE) {
+            throw new Exception("Maximum page size: " . self::MAX_PAGE_SIZE);
+        }
+
+        return new self($this->filter, $this->sorts, $this->startCursor, $pageSize);
+    }
+
+    public function filter(): Filter|null
+    {
+        return $this->filter;
+    }
+
+    /** @return list<Sort> */
+    public function sorts(): array
+    {
+        return $this->sorts;
+    }
+
+    public function startCursor(): string|null
+    {
+        return $this->startCursor;
+    }
+
+    public function pageSize(): int
+    {
+        return $this->pageSize;
+    }
+
+    public function toArray(): array
+    {
+        $array = [
+            "sorts"     => array_map(fn (Sort $s) => $s->toArray(), $this->sorts),
+            "page_size" => $this->pageSize,
+        ];
+
+        if ($this->filter !== null) {
+            $array["filter"] = $this->filter->toArray();
+        }
+
+        if ($this->startCursor !== null) {
+            $array["start_cursor"] = $this->startCursor;
+        }
+
+        return $array;
+    }
+}

src/Databases/Query/CheckboxFilter.php

@@ -0,0 +1,77 @@
+<?php
+
+namespace Notion\Databases\Query;
+
+/** @psalm-immutable */
+class CheckboxFilter implements Filter, Condition
+{
+    private const OPERATOR_EQUALS = "equals";
+    private const OPERATOR_DOES_NOT_EQUAL = "does_not_equal";
+
+    private string $propertyType = "property";
+    private string $propertyName;
+    /** @var self::OPERATOR_* */
+    private string $operator;
+    private bool $value;
+
+    /** @param self::OPERATOR_* $operator */
+    private function __construct(
+        string $propertyName,
+        string $operator,
+        bool $value,
+    ) {
+        $this->propertyName = $propertyName;
+        $this->operator = $operator;
+        $this->value = $value;
+    }
+
+    public static function property(string $propertyName): self
+    {
+        return new self(
+            $propertyName,
+            self::OPERATOR_EQUALS,
+            true
+        );
+    }
+
+    public function propertyType(): string
+    {
+        return $this->propertyType;
+    }
+
+    public function propertyName(): string
+    {
+        return $this->propertyName;
+    }
+
+    /** @return static::OPERATOR_* */
+    public function operator(): string
+    {
+        return $this->operator;
+    }
+
+    public function value(): bool
+    {
+        return $this->value;
+    }
+
+    public function toArray(): array
+    {
+        return [
+            $this->propertyType() => $this->propertyName,
+            "checkbox" => [
+                $this->operator => $this->value
+            ],
+        ];
+    }
+
+    public function equals(bool $value): self
+    {
+        return new self($this->propertyName, self::OPERATOR_EQUALS, $value);
+    }
+
+    public function doesNotEqual(bool $value): self
+    {
+        return new self($this->propertyName, self::OPERATOR_DOES_NOT_EQUAL, $value);
+    }
+}

src/Databases/Query/CompoundFilter.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Notion\Databases\Query;
+
+/** @psalm-immutable */
+class CompoundFilter implements Filter
+{
+    private const TYPE_AND = "and";
+    private const TYPE_OR  = "or";
+
+    /** @var self::TYPE_* */
+    private string $type;
+    /** @var Filter[] */
+    private array $filters;
+
+    /** @param self::TYPE_* $type */
+    private function __construct(string $type, Filter ...$filters)
+    {
+        $this->type = $type;
+        $this->filters = $filters;
+    }
+
+    public static function and(Filter ...$filters): self
+    {
+        return new self(self::TYPE_AND, ...$filters);
+    }
+
+    public static function or(Filter ...$filters): self
+    {
+        return new self(self::TYPE_OR, ...$filters);
+    }
+
+    public function toArray(): array
+    {
+        return [
+            $this->type => array_map(fn (Filter $f) => $f->toArray(), $this->filters)
+        ];
+    }
+}

src/Databases/Query/Condition.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Notion\Databases\Query;
+
+interface Condition
+{
+    public function propertyType(): string;
+    public function propertyName(): string;
+    public function operator(): string;
+    public function value(): mixed;
+}