Blank page in admin after install on Sylius > 2 - fix

[a-k-holod]

After successfull instalation, new page in admin shows blank page rather than mail test form and there are some hooks (type?) errors.

I fixed it by overriding hooks from:
vendor/synolia/sylius-mail-tester-plugin/config/twig_hooks/admin/mailtester/update.yaml
in:

config/packages/sylius_twig_hooks.yaml

sylius_twig_hooks:
    supported_hookable_types: 
        admin: Sylius\TwigHooks\Hookable\HookableTemplate
        shop: Sylius\TwigHooks\Hookable\HookableTemplate
        component: Sylius\TwigHooks\Hookable\HookableComponent
        template: Sylius\TwigHooks\Hookable\HookableTemplate
        disabled: Sylius\TwigHooks\Hookable\DisabledHookable
       
    enable_autoprefixing: true

    hooks:
        sylius_shop.base.header.content.logo:
            content:
                template: 'shop/header/content/logo/content/logo.html.twig'
        sylius_shop.base.head:
            google_tag_manager_head:
                template: 'shop/analytics/google_tag_manager_head.html.twig'
                priority: 100
        sylius_shop.base.header:
            google_tag_manager_body:
                template: 'shop/analytics/google_tag_manager_body.html.twig'
                priority: 100

        'synolia.sylius_admin.mailtester':
            sidebar:
                template: '@SyliusAdmin/shared/crud/common/sidebar.html.twig'
                priority: 200
            navbar:
                template: '@SyliusAdmin/shared/crud/common/navbar.html.twig'
                priority: 100
            content:
                template: '@SyliusAdmin/shared/crud/common/content.html.twig'
                priority: 0
        'synolia.sylius_admin.mailtester.content':
            flashes:
                template: '@SyliusAdmin/shared/crud/common/content/flashes.html.twig'
                priority: 400
            header:
                template: '@SyliusAdmin/shared/crud/common/content/header.html.twig'
                priority: 300
            form:
                type: template                     # <-- this is a plain Twig template, not a component
                template: '@SynoliaSyliusMailTesterPlugin/admin/mailtester/content/form.html.twig'
                context: {}                        # optional
                configuration: {}                  # optional
                priority: 200
            footer:
                template: '@SyliusAdmin/shared/crud/common/content/footer.html.twig'
                priority: 100

Now it works, but make sure NOT to test on first single email option, as admin_password_reset subject throws:
No resolvable form found for email admin_password_reset.

Sending All and all other single options works well and show in mailhog (if links and pictures doesn't work for you - add port to channel host through admin)

[Jibbarth]

Hello @a-k-holod

I don't see any issue in our hooks definition.

On a fresh install, the twig hooks conf seems correct to me:

# php bin/console debug:conf sylius_twig_hooks

[...]

        synolia.sylius_admin.mailtester.content:
            flashes:
                template: '@SyliusAdmin/shared/crud/common/content/flashes.html.twig'
                priority: 400
                type: template
                enabled: true
                component: null
                context: {  }
                props: {  }
                configuration: {  }
            header:
                template: '@SyliusAdmin/shared/crud/common/content/header.html.twig'
                priority: 300
                type: template
                enabled: true
                component: null
                context: {  }
                props: {  }
                configuration: {  }
            form:
                template: '@SynoliaSyliusMailTesterPlugin/admin/mailtester/content/form.html.twig'
                priority: 200
                type: template
                enabled: true
                component: null
                context: {  }
                props: {  }
                configuration: {  }
            footer:
                template: '@SyliusAdmin/shared/crud/common/content/footer.html.twig'
                priority: 100
                type: template
                enabled: true
                component: null
                context: {  }
                props: {  }
                configuration: {  }

Did I miss something in your issue ?

However, we should definitly support the admin_password_reset that wasn't exist at the time this plugin was created, thanks for reminder

[a-k-holod]

Thanks for quick feedback! I'm aware that my solution is very much redundant to existing code but following install, all i got in admin was blank page. I've been playing with few other plug-ins, trying to patch those meant for older Sylius, so I might have messed something in my configs. I'll try to reinstall it fresh to recheck as I fixed some compatibility issues in my project. I didn't know admin reset didn't exist before, that makes sense! Best