Add a graphql() method in junctionTable options

Author: moufmouf

README.md

@@ -45,4 +45,6 @@ $posts = $db->table('posts')->string('title')->graphql() // The column is a Grap
             ->right('CAN_EDIT') // The user must have the 'CAN_EDIT' right to view the field
             ->failWith(null) // If the user is not logged or has no right, let's serve 'null'
             ->endGraphql();
+
+$db->junctionTable('posts', 'users')->graphql(); // Expose the many-to-many relationship as a GraphQL field.
 ```

src/TdbmFluidJunctionTableOptions.php

@@ -0,0 +1,27 @@
+<?php
+
+
+namespace TheCodingMachine\FluidSchema;
+
+
+use function addslashes;
+use function var_export;
+
+class TdbmFluidJunctionTableOptions
+{
+
+    /**
+     * @var TdbmFluidTable
+     */
+    private $tdbmFluidTable;
+
+    public function __construct(TdbmFluidTable $tdbmFluidTable)
+    {
+        $this->tdbmFluidTable = $tdbmFluidTable;
+    }
+
+    public function graphql(): void
+    {
+        $this->tdbmFluidTable->addAnnotation('TheCodingMachine\\GraphQLite\\Annotations\\Field');
+    }
+}

src/TdbmFluidSchema.php

@@ -51,13 +51,14 @@ public function table(string $name): TdbmFluidTable
      *
      * @param string $table1
      * @param string $table2
-     * @return FluidSchema
+     * @return TdbmFluidJunctionTableOptions
      */
-    public function junctionTable(string $table1, string $table2): TdbmFluidSchema
+    public function junctionTable(string $table1, string $table2): TdbmFluidJunctionTableOptions
     {
         $this->fluidSchema->junctionTable($table1, $table2);
+        $tableName = $this->namingStrategy->getJointureTableName($table1, $table2);
 
-        return $this;
+        return new TdbmFluidJunctionTableOptions($this->table($tableName));
     }
 
     /**

tests/TdbmFluidJunctionTableOptionsTest.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace TheCodingMachine\FluidSchema;
+
+use Doctrine\DBAL\Schema\Schema;
+use PHPUnit\Framework\TestCase;
+
+class TdbmFluidJunctionTableOptionsTest extends TestCase
+{
+
+    public function testGraphql()
+    {
+        $schema = new Schema();
+        $fluid = new TdbmFluidSchema($schema);
+
+        $fluid->table('posts')->uuid();
+        $fluid->table('users')->uuid();
+
+        $fluid->junctionTable('posts', 'users')->graphql();
+
+        $this->assertSame("\n@TheCodingMachine\\GraphQLite\\Annotations\\Field", $schema->getTable('posts_users')->getOptions()['comment']);
+    }
+}